Sherwood Stereo Receiver R 525 User Manual

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AUDIO/VIDEO RECEIVER R-525  
MASTER VOLUME  
50  
STATION NAME VID.LABELS  
VCR  
1
REC  
T.2 MONITOR  
45  
55  
MULTI ROOM  
REMOTE SENSOR  
40  
60  
35  
65  
30  
70  
STANDBY  
VCR1 REC CINEMA BASS  
LDP  
ST  
TAPE 2M TUNED AUTO MEMOTY PRESET  
INPUT SELECTOR/  
INDEX  
POWER  
25  
75  
VCR  
2
SOURCE  
20  
80  
Pro Logic  
3
Stereo  
DSP THEATER HALL STADIUM  
SLEEP  
15  
85  
SLEPP  
E
10  
90  
TUNING  
DIRECT  
BAND  
MEMORY ENTER  
/
1
2
3
4
5
6
7
8
9
0
95  
5
0
100  
CENTER  
MODE  
-
REAR LEVEL  
+
-
CENTER LEVEL  
+
FM MODE  
DOLBY  
PRO-LOGIC  
DOLBY  
3 STEREO  
OFF  
THEATER  
HALL  
STADIUM  
BASS  
TREBLE  
BALANCE  
PHONES  
SPEAKERS  
VCR 2  
/
CAMCORDER INPUT  
A
B
CINEMA BASS  
_
_
-10  
+10  
-10  
+10  
LEFT  
RIGHT  
VIDEO  
L
AUDIO  
R
R-525  
AUDIO/VIDEO RECEIVER  
 
INSTALLATION  
Please make the following connections (where applicable).  
Important note for connecting equipment that does  
not have IN/OUT markings on the input and output  
jacks:  
Notes!  
– SWITCH OFF THE RECEIVER BEFORE MAKING ANY  
CONNECTIONS.  
– Do not connect the receiver to the wall socket when  
R-525  
Device to be connected, e.g. cassette deck.  
making connections.  
– Be sure to connect the white plugs to the L (left) and the  
red plugs to the R (right) jacks when making connections.  
PLAY  
PLAY or OUT  
REC or IN  
REC  
AM  
FM  
(OUTDOOR ANTENNA)  
2
8
1
9
10  
13  
7
6
FM  
(INDOOR ANTENNA)  
MAIN  
FRONT SPEAKERS A (8~16 )  
L
REAR SPEAKERS (4 )  
IN  
R
+
+
+
+
-
-
-
-
CENTER  
SPEAKER(8 )  
AC INPUT  
~120V /60Hz  
3A  
+
L
-
-
300 ohm  
feeder  
FRONT  
AANNTTEENNNNAA  
PRE-OUT  
AC OUTLET  
+
L
R
SUB  
SWITCHED  
TOTAL 1A MAX  
OR 100W MAX  
WOOFER  
PRE-OUT  
(MONO)  
AM  
LOOP  
-
-
CENTER  
PRE-OUT  
(MONO)  
+
R
R
L
REAR  
PRE-OUT  
FM  
75  
FRONT SPEAKERS B (8~16 )  
GND  
LDP  
PLAY  
VCR1  
CD  
MONITOR  
OUT  
L
R
PLAY REC  
PLAY  
SUPPLIED ADAPTOR  
VIDEO  
VIDEO  
TAPE-2/MON  
PLAY REC  
PHONO  
L
AUX/TV  
TAPE-1  
PLAY REC  
L
MULTI  
ROOM  
R
R
DIGI  
LINK  
3
4
11 12 5  
14  
CONNECTIONS  
CONNECTIONS  
1. FM INDOOR ANTENNA  
– TAPE 1 PLAY/REC AND TAPE MON 2 PLAY/REC –  
PLAY and REC jacks for connecting a cassette deck, a  
Digital Compact Cassette deck or another digital  
recording device.  
Connect the PLAY jacks to the PLAY or LINE OUTPUT  
jacks of the deck.  
Connect the REC jacks to the REC or LINE INPUT  
jacks of the deck.  
These TAPE 2 MONITOR PLAY/REC jacks may also  
be connected to the LINE OUTPUT/INPUT jacks of an  
audio processor such as an optional graphic equalizer  
or a Digital Signal Processor.  
Connect the supplied antenna to the FM antenna  
terminals, as shown.  
Change the position of the antenna until you get the best  
reception of your favorite FM stations.  
FM OUTDOOR ANTENNA  
A 75outdoor FM antenna may be used to further  
improve the reception.  
Disconnect the indoor antenna before replacing it with the  
outdoor one.  
2. AM LOOP ANTENNA  
Tune in your favorite AM station and position the loop  
antenna for best reception. Try other stations and find the  
position that gives best overall reception. When this unit  
is mounted in a rack or placed on a shelf with insufficient  
space behind, hang the antenna on a wall in the direction  
which gives best reception.  
– LDP IN – input jacks for connecting the audio output jacks  
of a Laser Disc Player.  
Connect these jacks to the AUDIO OUTPUT jacks of  
LDP.  
– VCR 1 PLAY/REC – PLAY(input) and REC(output) jacks  
for connecting the audio OUTPUT and INPUT jacks of a  
Hi-Fi stereo VCR.  
Connect the PLAY jacks to the AUDIO PLAY or  
OUTPUT jacks of the VCR.  
Connect the REC jacks to the AUDIO REC or INPUT  
jacks of the VCR.  
Note : The audio and video inputs and outputs of the VCR  
must be connected to allow the VCR 2/CAMCORDER inputs  
on the front of the receiver to be used for recording input.  
3. SYSTEM GROUND TERMINAL  
When using a PHONOGRAPH, connect the ground lead  
from your PHONOGRAPH to this terminal.  
4. AUDIO IN/OUT  
– PHONO IN – input jacks for connecting a phonograph.  
Connect these jacks to the output jacks of a  
phonograph with MM (Moving Magnet) type cartridge.  
– CD IN – input jacks for connecting a Compact Disc  
player.  
Connect these jacks to the OUTPUT jacks of the CD  
player.  
– AUX/TV IN – input jacks for connecting the fixed audio  
output jacks of a TV set or any other source you want to  
hear; an additional CD player or a cassette deck, etc.  
3
 
INSTALLATION  
SPEAKER POSITIONING  
POWER  
5. VIDEO IN/OUT  
13. AC POWER CORD  
MONITOR OUT output jack for connecting to the video input  
of a TV set. The TV set must then be switched to that input.  
VCR 1 PLAY/REC PLAY(input) and REC(output) jacks for  
connecting the video output and input of a VCR  
LDP PLAY input jack for connecting the video output of a  
LDP.  
Connecting the receiver to the wall socket.  
14.OUTLETS  
Switched output for connecting AC power plugs from various  
units such as cassette deck, CD player, etc.  
(Maximum total capacity is 1 A or 100 W).  
Standby mode - Switched AC outlet off  
Power on mode - Switched AC outlet on  
6. LOW LEVEL PRE-OUT  
SUBWOOFER PREOUT output jacks for driving  
SUBWOOFER.  
CONNECTING HEADPHONES  
Connect these jacks to SUBWOOFER input jacks of  
separate amplifier or a powered SUBWOOFER.  
CENTER PREOUT output jacks for connecting a separate  
amplifier to drive the center speaker. Connect these jacks to  
input jacks of a separate amplifier for center channel speaker  
only.  
REAR PREOUT output jacks for connecting a separate  
amplifier to drive the rear speakers. Connect these jacks to  
input jacks of a separate amplifier for rear channel speakers  
only.  
Connect a headphone with a 1/4"  
plug to the PHONES jack.  
Inserting the plug will not  
disconnect the speakers.  
Turn the speakers off by  
pressing the SPEAKER switches  
once, press again to turn  
speakers on. Also ensure receiver is  
not in surround modes  
Only in Surround off mode  
you can enjoy private listening with a headphone.  
PHONES  
7. FRONT PREOUT/MAININ  
SPEAKER POSITIONING  
To obtain the best surround sound effect in your home, place the  
speakers as shown below.  
The left and right speakers should be placed about 1 m (40")  
from the TV set.  
The center speaker should be above or below the TV set.  
The rear speakers should be placed 2~3 feet above the ear level  
of a seated listener on the direct left and right of them.  
Refer to the fold-out for additional information.  
FRONT PREOUT When a separate power amplifier is  
used to drive the front speakers, connect these jacks to the  
power amplifier.  
FRONT MAININ When a separate pre-amplifier is used for  
front channel, connect these jacks to the pre-amplifier.  
Note : When you do not use the PREOUT or MAININ,  
always connect the PREOUT and MAININ jacks with  
jumper plugs.  
8. REAR SPEAKERS  
TV  
Terminals for connecting a pair of rear speakers, impedance  
of 4 each, to obtain a surround sound effect.  
Note : Always connect two speakers to these terminals.  
RIGHT  
LEFT  
CENTER  
SPEAKER  
9. CENTER SPEAKER  
Terminals for connecting a center speaker, impedance of 8.  
10. FRONT SPEAKERS  
Terminals for connecting two pairs of speakers, impedance of  
8 16(L = left, R = right).  
One of the wires of a speaker cable is marked with a color  
or rib. Connect the marked wire to the red terminal, the non-  
marked wire to the black one.  
11. DIGI LINK III SYSTEM CONTROL  
(colored green) remote control jacks for connection to the  
corresponding DIGI LINK II or III jacks of a Sherwood CD  
(Compact Disc) or tape player. Connect this jack to the DIGI  
LINK III jack of the external Sherwood equipment that uses  
the DIGI LINK II or III remote control system.  
SURROUND  
LEFT  
SURROUND  
RIGHT  
These jacks have been added to maintain compatibility with  
other Sherwood products.  
12. MULTI-ROOM IN  
Jack for connecting the multi room adaptor. Connect this jack  
to the output of the adaptor.  
For information on the multi-room adaptor, contact the Xantec  
Corporation at 1-800-843-5465.  
Note : to avoid interference with the TV picture, use only  
magnetically shielded front speaker systems.  
After making all necessary connections (some may not apply to  
your system set-up), your system is ready for use. In the next  
chapter, we will describe how to operate your  
R-525 receiver.  
4
 
FUNCTION OVERVIEW  
1
2
5
6
8
10 11  
9
27 24 25 21  
14  
22  
AUDIO/VIDEO RECEIVER R-525  
MASTER VOLUME  
50  
STATION NAME VID.LABELS  
VCR  
1
REC  
T.2 MONITOR  
45  
55  
MULTI ROOM  
REMOTE SENSOR  
40  
60  
35  
65  
30  
70  
STANDBY  
VCR1 REC CINEMA BASS  
LDP  
ST  
TAPE 2M TUNED AUTO MEMOTY PRESET  
INPUT SELECTOR/  
INDEX  
POWER  
25  
75  
VCR  
2
SOURCE  
20  
80  
Pro Logic  
3
Stereo  
DSP THEATER HALL STADIUM  
SLEEP  
15  
85  
SLEPP  
E
10  
90  
TUNING  
DIRECT  
BAND  
MEMORY ENTER  
/
1
2
3
4
5
6
7
8
9
0
5
95  
0
100  
CENTER  
MODE  
-
REAR LEVEL  
+
-
CENTER LEVEL  
+
FM MODE  
DOLBY  
PRO-LOGIC  
DOLBY  
STEREO  
OFF  
3
THEATER  
HALL  
STADIUM  
BASS  
TREBLE  
BALANCE  
PHONES  
SPEAKERS  
VCR  
2
/
CAMCORDER INPUT  
A
B
CINEMA BASS  
_
_
-10  
+10  
-10  
+10  
LEFT  
RIGHT  
VIDEO  
L
AUDIO  
R
3
4
7
13 23 12 17 15  
18 20 16 19  
26  
FRONT PANEL  
11.POWER BUTTON  
FRONT  
14.INPUT SELECTOR/INDEX (Rotary Encoder)  
For switching the power on and switching on to  
For selecting the desired source or character.  
STANDBY.  
15.REAR LEVEL /+ BUTTONS  
12.SLEEP TIMER BUTTON  
For adjusting the rear speaker volume in relationship to  
the MASTER VOLUME in DOLBY PRO LOGIC,  
THEATER, HALL or STADIUM mode.  
For activating the SLEEP TIMER.  
13.PHONES  
For connecting headphone.  
16.CENTER LEVEL /+ BUTTONS  
Turn A and B SPEAKER switches off for private listening.  
For adjusting the center speaker volume in relationship  
to the MASTER VOLUME only in DOLBY PRO LOGIC or  
DOLBY 3 STEREO mode.  
14.SPEAKERS A, B SELECTOR SWITCHES  
Press A or B switch to turn on either pair of speakers.  
Press A and B switchs to turn on both pairs of  
speakers.  
17.BASS CONTROL  
For adjusting the bass tones.  
Note : If the A and B SPEAKER switches are both on, a  
reduction of the main volume may be experienced and if only  
one pair of speakers is connected, no sound will be heard.  
18.TREBLE CONTROL  
For adjusting the high tones.  
19.BALANCE CONTROL  
15.REMOTE SENSOR  
For adjusting the balance of the volume between the left  
and right channel.  
Infrared remote control sensor for receiving signals from  
the remote control.  
20.CENTER MODE BUTTON  
16.0~9 DIGIT BUTTONS  
For selecting the desired center mode.  
(NORMAL, WIDE or PHANTOM)  
These 10 buttons can be used for preset tuning or  
entering the frequency directly in tuner mode.  
21.TAPE 2 MONITOR BUTTON  
17.SURROUND MODE BUTTONS  
For selecting the surround mode.  
For monitoring the sound of recording or playback of a  
cassette deck 2 as a listening source.  
OFF, DOLBY PRO LOGIC, DOLBY 3 STEREO,  
THEATER, HALL, STADIUM  
22.MASTER VOLUME CONTROL  
For adjusting the main volume.  
18.FLUORESCENT DISPLAY  
Informs you about the function of the receiver.  
23.CINEMA BASS BUTTON  
For enjoying impressive bass sound.  
19.TUNING /(DOWN/UP) BUTTONS.  
For adjusting the station frequency.  
24.VIDEO LABELS BUTTON  
For entering the desired video labels.  
10.DIRECT BUTTON  
For entering desired frequency with 0~9 digit buttons.  
25.VCR 1 RECORD BUTTON  
For selecting the desired VCR 1 record source.  
11.MEMORY/ENTER BUTTON  
For storing preset stations or desired input.  
26.VCR 2/CAMCORDER AUDIO/VIDEO INPUT  
Connections for an extra VCR, camcorder, video game  
player or DSS system. The audio jacks may also be  
used for an extra audio source like a CD player or  
cassette deck.  
12.FM MODE BUTTON  
For selecting STEREO or MONO operation in FM mode.  
13.BAND BUTTON  
For selecting the desired band (either FM or AM).  
27.STATION NAME/FREQUENCY BUTTON  
For entering the desired station name.  
5
 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
FUNCTION OVERVIEW  
DISPLAY  
REMOTE CONTROL  
ST  
VCR1 REC CINEMA BASS  
LDP  
TAPE 2M TUNED AUTO MEMORY PRESET  
VCR  
2
SOURCE  
Pro Logic  
3
Stereo  
THEATER HALL STADIUM  
SLEEP  
3
4
POWER  
SLEEP  
P. SCAN  
DISPLAY  
SYS  
ST  
1
2
Lights up when a FM stereo transmission is received.  
2
4
9
1
6
3
8
5
0
5
7
TUNED  
DISC  
CD  
8
9
6
7
Lights up when a FM or AM transmission is received.  
10  
11  
CD  
TUNER  
FUNC.  
REPEAT  
A< >B  
INTRO  
SCAN  
13  
14  
AUTO  
DECK  
TAPE1  
TAPE2  
MON.  
15  
16  
12  
Lights up when operating auto tuning  
AUX  
PHONO  
DECK SEL  
17  
18  
A
B
VCR2  
LDP  
VCR1  
19  
20  
VCR 1 REC/LDP/VCR 2/SOURCE  
Informs you about VCR 1 record source.  
EQ  
E
21  
24  
23  
25  
28  
29  
22  
PRESET  
USER FILE  
C.MODE  
T.MON  
DISPLAY  
26  
27  
2 X 1.5V  
R6 / UM-3 / AA  
S.MODE  
D.TIME  
T.TONE  
30  
31  
REAR LEVEL  
CENTER LEVEL  
TAPE 2M  
33  
34  
32  
36  
MASTER VOLUME  
Lights up when the TAPE 2 MONITOR is selected.  
SURBWOOFER LEVEL MUTE  
35  
PRESET  
REMOTE CONTROL UNIT RM-RV-N25  
Lights up when a preset frequency is selected.  
Indicates the selected function, waveband FM, AM, selected  
PRESET number, SLEEP time (in minutes), DELAY TIME.  
The frequency of the tuned station is indicated in MHz (for  
FM) or in kHz (for AM) and also VOL of REAR or CENTER  
level is indicated.  
The remote control (supplied) can be used to operate all  
functions of the receiver. In addition, it can be used to  
operate any other Sherwood equipment that uses the DIGI  
LINK II or III remote control system.  
MEMORY  
Flashes when the memory has been opened to store a  
preferred station.  
BATTERIES  
Open the battery compartment and insert two batteries as  
indicated, type R6, UM3 or AA cells.  
Pro Logic,  
HALL, STADIUM  
3 Stereo, THEATER,  
Remove the batteries when they have run down or if the  
remote control will not be used again for a long period.  
Note : Do not use rechargeable batteries.  
Indicates the selected surround mode.  
SLEEP  
Lights up when the sleep timer is active.  
USING THE REMOTE CONTROL  
CINEMA BASS  
First select the input you wish to control by pressing one  
of the nine input selector buttons on the remote control  
(e.g.TAPE 2M, CD, etc.).  
Lights up when the cinema bass is turned on.  
Then, select the desired function.  
6
 
REMOTE FUNCTION OVERVIEW  
AMPLIFIER  
CASSETTE DECK  
11.POWER for power control of this receiver or system.  
(as described in amplifier chapter titled "POWER  
ON/STANDBY")  
15. for stopping recording/play.  
16.  
■■  
for pausing recording/play.  
12.SLEEP for setting a time period after which the system  
17.DECK SELECTOR A, B for selecting deck A or B.  
18. for recording.  
will automatically be switched to standby.  
14.SYSTEM DISPLAY for dimming displays of Sherwood  
components connected by DIGI LINK II or III  
.
19. for starting forward side play.  
20. for starting reverse side play.  
21. for winding the tape forward.  
12.INPUT SELECTORS  
35.MUTE for muting the sound.  
SURROUND PROCESSOR  
28.SURROUND MODE  
22. for winding the tape reverse.  
PRO LOGIC,  
3 STEREO, THEATER, HALL,  
In the DIGI LINK III remote control system, if pressing PLAY  
etc. on CD or Deck, CD or TAPE 2 Monitor is selected  
automatically without selecting the input and PLAY, etc.  
starts.  
STADIUM, OFF For selecting the different surround  
modes.  
29.CENTER MODE for selecting the desired center mode  
In this case, to listen to TAPE 1, select the TAPE 1.  
when in Dolby Pro Logic or Dolby 3 Stereo mode.  
COMPACT DISC PLAYER  
30.TEST TONE for checking the output level of the front,  
15.0-9 DIGITS for track selection, press desired button  
among 10 buttons on the remote control and for disc  
selection, select disc No.(1~5) within 2 sec. after  
pressing the DISC button.  
center and rear speakers.  
31.DELAY TIME for adjusting the delay time of the rear  
channel.  
32.REAR LEVEL  
/
for adjusting the rear level  
16.DISC (CD changer only) for disc selection.  
17. to begin play.  
(in Dolby Pro Logic, Theater, Hall, Stadium mode)  
33.CENTER LEVEL for adjusting the center level  
/
(only in normal mode or wide mode).  
18. to stop play/clearing a program.  
34.MASTER VOLUME  
/
for adjusting the volume.  
19.  
10.  
■■  
for pausing play.  
36.SUBWOOFER LEVEL  
/
for adjusting the  
subwoofer level.  
▶  
for skipping backward and forward.  
TUNER  
11.for searching backward and forward.  
13.PRESET SCAN for scanning the stations memorized.  
13.INTRO to preview each track only for 10 seconds.  
14.REPEAT A <> B to play a specific passage repeatedly.  
15.0-9 DIGITS for selecting stations in frequency direct  
mode and for preset tuning in tuner mode.  
EQUALIZER  
23.PRESET for selecting equalizer pattern.  
24.USER for adjusting equalizer pattern as desired.  
25.FILE for selecting desired equalizer pattern in the  
preset or user mode.  
26.TAPE M for monitoring the sound of recording or  
playback of cassette deck.  
27.DISPLAY for selecting equalizer display.  
7
 
AMPLIFIER  
POWER ON/STANDBY  
Press the POWER button on the receiver or the remote control to turn the power on.  
The receiver enters the operating mode, the respective indicators light up and the standby indicator lights off.  
To switch the receiver off, press the POWER button again.  
The receiver enters the standby mode and the standby indicator lights up.  
In the standby mode, the receiver is not disconnected from the AC mains and a small amount of current is retained to  
support the memorized contents and operation readiness.  
If the electricity fails or the AC cord is leaved unplugged for more than 2 weeks, the memorized contents are all cleared.  
System power on/off using the remote control.  
If the power switch of the component connected by the DIGI LINK II or III is kept pushed and its AC cord is plugged in  
the SWITCHED OUTLETS, each time the POWER button on the remote control is pressed, its power is turned on or off.  
Under the same conditions, if its AC cord is not plugged only in the SWITCHED OUTLETS, when the receiver becomes  
the standby mode, only its display is off.  
SOUND CONTROL  
Volume  
TAPE 2 MONITOR function  
Adjust the overall volume with the MASTER VOLUME  
control.  
You can connect either a cassette deck or a graphic  
equalizer to the receiver's TAPE 2 MONITOR jacks.  
Only when you listen to the component to these jacks, set  
the TAPE 2 MONITOR button to on.  
If you connect a 3head cassette deck, you can listen to the  
sound being recorded during recording not the source  
sound.  
Balance  
Adjust the stereo balance between the left and the right  
channels with the BALANCE control.  
Treble  
For further details, refer to the operating instructions of the  
component connected.  
Adjust the high tones with the TREBLE control.  
Bass  
Adjust the bass tones with the BASS control.  
SOURROUND MODE  
With the SURROUND MODE button, you can select 5  
WARNING : Extreme settings at high volume may  
different surround modes:  
PRO LOGIC,  
3
STEREO, THEATER, HALL, STADIUM, OFF.  
damage your speakers!  
DOLBY PRO LOGIC : choose this setting to play back  
movies and music (especially Laser Discs, video cassettes  
and TV broadcasts with DOLBY SURROUND sound). Not  
only does Dolby Pro Logic surround provide you with sound,  
it also gives you a clear perception of the position and  
direction of the sound. Make sure your 'Speaker Positioning'  
is correct. (see 'INSTALLATION')  
Use SURROUND MODE to select the desired sound  
effect:  
PRO LOGIC,  
3 STEREO, STADIUM,  
THEATER or HALL.  
Press MUTE on the remote control if you want to silence  
the speakers temporarily.  
The volume indicater blinks.  
Press again to restore the same listening level as before.  
With a great number of recently made movies, the sound  
track is specially encoded with the Dolby Surround mode  
carrying the  
DOLBY STEREO or  
DOLBY  
INPUT SELECTION  
SURROUND trademark. The front speakers provide the  
dialogue and the normal stereo effect, while the rear  
speakers reproduce the surround signals. This position  
provides excellent results when watching television  
programs, video software, video discs or video tapes of  
stereo television broadcasts encoded with Dolby Surround.  
Select the desired input on the receiver or the remote  
control.  
The selected input will appear on the display.  
Each time INPUT SELECTOR is rotated, the input is  
selected as follows;  
TUNER CD AUX TAPE 1 LD  
VCR1 VCR2 PHONO  
Note : In DOLBY PRO LOGIC mode, the rear speakers are  
used as "EFFECT SPEAKERS" and may not  
produce sound at all times.  
When the TAPE 2 MONITOR button is set to on so that  
"TAPE 2M" indicator lights up, other inputs can not be  
heard from the speakers.  
To listen to a input other than TAPE 2 MONITOR, be  
sure to set the TAPE 2 MONITOR button to off.  
8
 
AMPLIFIER  
DOLBY 3 STEREO : Choose this setting to play back  
movies and music (especially Laser Discs, video cassettes  
and TV broadcasts with DOLBY SURROUND sound) when  
not using the rear speakers. You get a clear perception of  
the position and direction of the sound. DOLBY 3 STEREO  
combines the front and rear signals so that you can enjoy a  
regenerated sound field which has comparatively more lively  
presence and a more expansive feeling from the three front  
channels (front left, front right and center speakers) than  
that of ordinary stereo regeneration.  
Use the CENTER LEVEL buttons to adjust the center  
level.  
CENTER 0 dB lights up on the display.  
The level will be indicated on the display : MIN, 15, …  
0 , +10, MAX.  
DOLBY 3 STEREO  
Press the DOLBY 3 STEREO or use the SURROUND  
MODE button on the remote control.  
CENTER MODE : In Dolby 3 Stereo mode, you can only  
select NORMAL and WIDE.  
THEATER : Use this when watching movie sources that  
have a stereo soundtrack to enjoy the effect of being in a  
movie theater.  
CENTER LEVEL : use the CENTER LEVEL buttons to  
adjust the center level as described above.  
REAR LEVEL : adjusting the rear level is not available in  
Dolby 3 Stereo mode.  
DELAY TIME : adjusting the delay time of the rear  
channel is not available in Dolby 3 Stereo mode.  
HALL : Hall mode works best for recorded concerts and  
other music programs. In this mode, the front speakers  
provide a normal stereo effect while the rear speakers  
provide a reverberated sound. This reverberation helps to  
simulate the sound you might hear at a live concert.  
THEATER, HALL, STADIUM  
Press the THEATER, HALL, STADIUM respectively or  
use the SURROUND MODE button on the remote control.  
CENTER MODE and CENTER LEVEL are not available  
in these modes.  
Use the REAR LEVEL buttons to adjust the rear level as  
described above.  
Use the DELAY TIME button on the remote control to  
adjust the delay time of the rear channel as described  
above.  
STADIUM : The "stadium" effect creates efficient,  
reverberated sounds in order to obtain an expansive sound  
field. For music sources like a rock concert, you will feel as if  
you were actually at the live concert and seated very close  
to the stage. For sports programs, such as a baseball game,  
you can enjoy a powerful sound, thus obtaining the true  
stadium effect.  
OFF : Turns off the center and rear speakers for normal  
stereo operation.  
The delay time is changed to 08,16, , 96 milli seconds.  
TEST TONE  
Note : Dolby Pro Logic, Dolby 3 Stereo, Theater, Hall and  
Stadium will not work properly if the signal passes through a  
graphic equalizer. Please refer to your equalizer operating  
instructions for guidance on switching off (or defeating) the  
equalizer.  
Use TEST TONE function on the remote control to obtain  
the correct balance between the levels of the left, right,  
center and rear speakers in the DOLBY PRO LOGIC and  
DOLBY 3 STEREO mode.  
DOLBY PRO LOGIC  
SURROUND MODE CONTROL  
Press the TEST TONE button on your remote control.  
You will hear a test tone from the left (FL), center (C),  
right (FR) and rear (R) speakers in turn, in repeating a  
cycle.  
While sitting in the usual listening position, adjust the level  
of each speaker until they all sound equally loud.  
Use the VOLUME control to adjust the speaker levels.  
The levels will be indicated on the display .  
When you are satisfied with the levels, press the TEST  
TONE button on your remote control again to turn off the  
test tone.  
Each surround mode has programmed values for center-  
mode, center and rear levels and/or for rear channel time  
delay (as appropriate).  
These values will then be kept in the memory until they are  
changed again.  
The various values that can be adapted in the different  
surround modes are described next:  
DOLBY PRO LOGIC  
Press DOLBY PRO LOGIC or use the SURROUND  
MODE button on the remote control.  
Press the CENTER MODE button to select the required  
center channel mode :  
NORMAL If the center speaker is a smaller model,  
which means it will not reproduce bass as deep or as loud  
as the left and right speakers.  
WIDE If all three front speakers are identical and  
capable of reproducing low bass information, and if equal  
power is available in the left, center and right amplifiers.  
PHANTOM If no center speaker is installed.  
Use the REAR LEVEL buttons to adjust the rear level  
(related to the front level).  
DOLBY 3 STEREO  
In the Dolby 3 Stereo mode you can adjust only the levels of  
the left, right and center speakers.  
Manufactured under license from Dolby Laboratories  
Licensing Corporation. "Dolby",  
are trademarks of Dolby Laboratories Licensing  
Corporation.  
and "PRO LOGIC"  
REAR 0 dB lights up on the display.  
The level will be indicated on the display : MIN, 15, …  
0, +14, MAX.  
Use the DELAY TIME button on the remote control to  
adjust the delay time of the rear channel.  
The delay time of the rear channel is changed to 16, 18,  
20, , 30 milli seconds.  
9
 
TUNER  
GENERAL  
Select the waveband by pressing the BAND button.  
Tune to a radio station or select a preset number.  
The correct procedure is described in the following chapters.  
While tuning, the audio signal will be muted to eliminate interfering of background noises.  
Once a station is found, the audio signal will be set to normal volume again.  
When STereo appears on the display, you are receiving an FM stereo transmission.  
A disturbing noise, due to a weak FM stereo signal, can be suppressed by pressing FM MODE.  
STereo will disappear on the display and you will hear the FM program in mono.  
TUNING  
AUTOMATIC TUNING  
PROGRAMMING OF PRESET STATIONS  
Tune to the frequency to be stored(as described under  
TUNING)  
If the display shows no preset number, the frequency  
shown has not yet been stored in the memory.  
Press MEMORY/ENTER to enter the frequency in  
memory.  
Press TUNING or for more than 1 second.  
AUTO appears on the display. The tuner will now search  
until a station of sufficient strength has been found. The  
display shows the tuned frequency.  
If the station found is not the desired one, simply repeat  
this operation.  
Weak stations are skipped during automatic tuning.  
They can be tuned to manually.  
MEMORY starts flickering for about 5 seconds .  
Press the desired number from 1 to 30 while MEMORY is  
flickering.  
MANUAL TUNING  
The preset station has now been stored in the memory.  
A stored frequency is erased from the memory by storing  
another frequency in its place.  
Manual tuning is useful when you already know the  
frequency of the desired transmitter (e.g. from your program  
guide).  
TUNING TO PRESET STATIONS  
Briefly press TUNING or until the right frequency  
Select the desired preset number by pressing digit  
buttons.  
The selected station will be tuned in and it will display the  
preset number and the tuned frequency.  
has been reached  
BAND USA/CANADA EUROPE/AUSTRALIA  
FM  
AM  
200 kHz  
10 kHz  
50 kHz  
9 kHz  
STATION NAME  
It can be operated only on tuner function.  
FREQUENCY DIRECT INPUT  
Select the desired band(FM or AM).  
Press DIRECT button.  
Press the corresponding digit buttons within 5 seconds  
for each step.  
ENTERING STATION NAME.  
Tune in the desired frequency.  
Press the STATION NAME/FREQUENCY button for  
more than 2 seconds.  
Rotate the INPUT SELECTOR/INDEX to select the first  
character of station name.  
Characters which can be selected are total 46 as follows;  
26 Capital Letters : A B C D E F G H I J K L M N O P Q  
R S T U V W X Y Z  
10 Arabic Numerals : 1 2 3 4 5 6 7 8 9 0  
10 Special Marks : ' < > + , / \ .  
Press the MEMORY/ENTER button to store it.  
If you press the button for more than 2 seconds on the  
character, a dot will appear by the character.  
Repeat the same steps over as described to store the  
rest of up to 8 characters.  
Refer to wave range and step for each band.  
Example) FM 89.15 MHz  
Select FM.  
Press DIRECT button.  
Press button "8" within 5 seconds.  
Press button "9" within 5 seconds.  
Press button "1" within 5 seconds.  
Press button "5" within 5 seconds.  
PRESET STATIONS  
You can store 30 preferred stations in the memory of the  
tuner.This enables you to find your favorite stations quickly  
and easily.  
As soon as you store the 9th character the "MEMORY"  
will flicker for 5 seconds.  
To memorize or change the PRESET number you must  
select desired number(one of 1~30) by pressing digit  
buttons within 5 seconds  
CHECKING THE STATION NAME  
Press the STATION NAME/FREQUENCY button briefly.  
"NO NAME" or entered station name will be displayed.  
10  
 
OTHER POSSIBILITIES  
SLEEP  
SUBWOOFER LEVEL CONTROL  
The sleep mode allows the system to continue to operate for  
a specified period of time before automatically shutting off.  
Use the SUBWOOFER LEVEL buttons on the remote  
control to adjust the subwoofer level.  
The level will be indicated on the display : MIN, -21,. , -  
2, -1, 0, 1, 2, . , +8, MAX.  
Press the SLEEP button.  
The display shows the indication SLEEP 10.  
This means that the system will be switched to standby  
after 10 minutes.  
AUDIO RECORDING  
Recording with TAPE 1  
Select the required sleep time by pressing SLEEP : 10,  
20, 30, 60 or 90 minutes.  
Select the desired input as recording source.  
Start recording on the TAPE 1.  
Start play on the desired input.  
Notes:  
During an active sleep timer period, you can reset the  
SLEEP time again by pressing the SLEEP button.  
A sleep timer period will be cancelled when you switch  
your system to standby (using the POWER button on your  
remote control).  
Recording with TAPE 2 MONITOR  
Select the desired input as recording source.  
Set the TAPE MONITOR button to on.  
Start recording on the TAPE 2 MONITOR.  
Start play on the desired input.  
When the TAPE 1 is selected as recording source,  
dubbing will start from TAPE 1 to TAPE 2 MONITOR.  
It is not impossible to dub from TAPE 2 MONITOR to  
TAPE 1.  
For tape 2 monitor function, refer to amplifier chapter  
titled "TAPE 2 MONITOR function".  
ENTERING VIDEO LABELS  
It can be operated only on video functions such as VCR1,  
VCR2, and LDP.  
Select the desired video input to enter its label.  
Press the VIDEO LABELS button for more than 2  
seconds.  
Rotate the INPUT SELECTOR/INDEX to select the first  
character of the video label.  
Characters which can be selected are total 46 as follows;  
26 Capital Letters : A B C D E F G H I J K L M N O P Q R  
S T U V W X Y Z  
10 Arabic Numerals : 1 2 3 4 5 6 7 8 9 0  
10 Special Marks : ' < > + , / \ .  
Press the MEMORY/ENTER button to store it.  
If you press the button for more than 2 seconds on the  
character, a dot will appear by the character.  
Repeat the same steps as described above to store the  
rest of up to 8 characters.  
RECORDING WITH VCR 1  
Dubbing from LDP(VCR 2) to VCR 1  
Select LDP(VCR 2) as the input being enjoyed.  
Select LDP(VCR 2) as recording source with the VCR 1  
RECORD button.  
Each time this button is pressed, the recording source  
changes as follows;  
VCR2 SOURCE  
LDP  
Start recording on the VCR 1.  
Start play on the LDP(VCR 2).  
The audio and video signals from LDP(VCR 2) will be  
dubbed onto the tape in VCR 1 and you can enjoy  
LDP(VCR 2) on TV monitor and from speakers.  
Note : This procedure must be done in a timely fashion.  
CINEMA BASS  
You can turn on CINEMA BASS to enjoy impressive bass  
sound by pressing it.  
Press it again to cancel.  
Listening to other audio input during dubbing  
Example)Listening to CD during dubbing from LDP to VCR 1  
Select CD as the input being enjoyed.  
Select LDP as recording source with the VCR 1 RECORD  
button.  
Start recording on the VCR 1.  
Start play on the LDP.  
Start play on the CDP.  
The audio and video signals from LDP will be dubbed  
onto the tape in VCR 1 and you can listen to CD.  
11  
 
OTHER POSSIBILITIES  
Enjoying other video input during dubbing  
Example)Enjoying VCR 2 on TV monitor and from speakers  
during dubbing from LDP to VCR 1  
Select VCR 2 as the input being enjoyed.  
Select LDP as recording source with the VCR 1 RECORD  
button.  
MODEL  
R-525  
POWER AMPLIFIER SECTION  
POWER OUTPUT (8 Ohms)  
STEREO MODE (20Hz-20kHz)  
THD  
125W x 2  
0.05%  
IM DISTORTION  
0.05%  
Start recording on the VCR 1  
POWER OUTPUT (8 Ohms)  
SURROUND MODE (LEFT, CENTER, RIGHT)  
REAR  
Start play on the LDP.  
Start playback on the VCR 2.  
The audio and video signals from LDP will be dubbed  
onto the tape in VCR 1 and you can enjoy VCR 2.  
100W x 3  
100W  
PREAMPLIFIER SECTION  
INPUT SENSITIVITY/IMPADANCE  
PHONO (47K Ohms)  
Dubbing and enjoying the audio and video signals  
separately  
Example)Dubbing and enjoying LD video signal and CD  
2.5mV  
150mV  
LINE (CD, TAPE, VIDEO, @ 47K Ohms))  
SIGNAL TO NOISE RATIO  
PHONO  
audio signal  
77dB  
Select LDP as the input being played.  
Select SOURCE as recording source with the VCR 1  
RECORD button.  
Select LDP as video source within 5 seconds with INPUT  
SELECTOR.  
Press the MEMORY/ENTER button to memorize within 5  
seconds.  
Select CD as audio source within 5 seconds with INPUT  
SELECTOR.  
Press the MEMORY/ENTER button to memorize within 5  
seconds.  
In the above steps, if it elapses 5 seconds, repeat again.  
Start recording on the VCR 1.  
Start play on the LDP.  
LINE (CD,TAPE,VIDEO)  
TONE CONTROLS  
100dB  
BASS (100Hz)  
+,-10dB  
+,-10dB  
TREBLE (10kHz)  
CINEMA BASS  
BASS @ 80Hz LEFT /RIGHT, CENTER  
FREQUENCY RESPONSE  
PHONO (20Hz-20kHz,RIAA)  
LINE (CD, TAPE, VIDEO, 10Hz-100Hz)  
FM TUNER SECTION  
6dB,4dB  
+,-0.5dB  
+0,-1.5dB  
USABLE SENSITIVITY (MONO)  
50dB QUIETING SENSITIVITY  
MONO  
10.5dBf  
15dBf  
36.2dBf  
80dB/73dB  
0.15%/0.25%  
+,-1dB  
STEREO  
Start play on the CDP.  
SIGNAL TO NOISE RATIO 65dBf,MONO/STEREO  
THD @ 65dBf, 1kHz, MONO/STEREO  
FREQUENCY RESPONSE (30Hz-15Hz)  
STEREO SEPARATION (1kHz)  
CAPTURE RATIO  
The audio signal from CDP and the video signal from  
LDP will be dubbed onto the tape in VCR 1 and you can  
enjoy them on TV monitor and from speakers.  
50dB  
1.25dB  
70dB  
CHECKING THE VIDEO COMPONENTS CONNECTED  
Use this function to check the video components connected  
to LDP, VCR 1 and VCR 2 jacks each.  
During play on the video components, press the VIDEO  
LABELS and the VCR 1 REC buttons simultaneously.  
The respective input or its label scrolls on the display and  
you can check its video and audio contents in turn as  
follows;  
ALTERNATE CHANNEL SENSITIVITY ( @ 98MHZ, +/-400Hz)  
IMAGE REJECTION RATIO  
IF REJECTIOR RATIO  
80dB  
120dB  
SPURIOUS REJECTION RATIO  
AM TUNER SECTION  
70dB  
USABLE SENSITIVITY (400u V/m)  
SIGNAL TO NOISE RATIO  
SELECTIVITY  
12.5uV  
50dB  
30dB  
VCR1 VCR2  
LDP  
DIMENSIONS and WEIGHTS (Unit)  
HEIGHT (INCHES)  
During recording, do not check the video components  
connected.  
6 1/8  
17 3/8  
15  
WIDTH (INCHES)  
DEPTH (INCHES)  
WEIGHT (LBS)  
Note : Design and specifications subject to change without  
notice for improvements.  
MAINTENANCE  
Do not leave the unit in direct sunlight or other places  
where high temperatures can occur for any length of time,  
such as in the vicinity of a heating source.  
Do not expose the equipment to humidity or rain.  
A chamois leather cloth, slightly moistened with water is  
sufficient for cleaning the cabinet.  
Do not use cleaning agents containing alcohol, spirits,  
ammonia or abrasives.  
12  
 
TROUBLE SHOOTING  
If a fault occurs, run through the points listed below before taking your receiver for repair.  
If the fault persists, attempt to solve it by switching the receiver off and on again. If this fails to resolve the situation, consult  
your dealer. Under no circumstances should you repair the receiver yourself as this will invalidate the guarantee!  
PROBLEM  
STATIONS CANNOT BE RECEIVED  
– POSSIBLE CAUSE  
– No antenna connected.  
REMEDY  
Connect an antenna.  
– The desired station frequency is not tuned in.  
Tune in the desired station frequency.  
– Antenna in wrong position.  
Move antenna and retry turning.  
– Surrounding area causing interference.  
Lengthen or elevate antenna.  
NO POWER  
– The AC power cord is disconnected.  
Connect the cord securely.  
– Poor connection at the wall socket or the wall socket is  
inactive.  
Check the wall socket using a lamp or another appliance.  
PRESET STATIONS CANNOT BE RECEIVED  
NO SOUND FROM THE FRONT SPEAKERS  
– An incorrect station frequency has been memorized.  
Memorize the correct station frequency.  
– The memorized stations are cleared.  
Memorize the stations again.  
– Speaker cables are disconnected.  
Check the speaker connections.  
– Volume is too low.  
Adjust the volume.  
POOR FM RECEPTION  
– Front speakers are not switched on.  
Press the SPEAKER switch(es) to switch on the front  
speakers.  
– No antenna connected.  
Connect an antenna.  
– The antenna is not positioned for the best reception.  
Change the position of the antenna.  
NO SOUND FROM THE REAR SPEAKERS  
– Surround mode is switched off.  
Select a surround mode.  
– Volume and rear level are too low.  
CONTINUOUS HISSING NOISE DURING FM  
RECEPTION, ESPECIALLY WHEN A STEREO  
BROADCAST IS RECEIVED  
Adjust the volume.  
– A monaural source is used.  
– Weak signal.  
Select a stereo or surround source.  
– Dolby 3 Stereo mode is selected.  
Switch off Dolby 3 Stereo mode.  
– Dolby Pro Logic source is not present.  
Make sure that your video device is in the stereo mode.  
Change the position of the antenna.  
Install an outdoor antenna.  
CONTINUOUS OR INTERMITTENT HISSING NOISE  
DURING AM RECEPTION, ESPECIALLY AT NIGHT  
– Noise is caused by motors, fluorescent lamps or lightning,  
etc.  
NO SOUND FROM THE CENTER SPEAKER  
– Dolby Pro Logic or Dolby 3 Stereo mode is not selected.  
Select Dolby Pro Logic or Dolby 3 Stereo mode.  
– Volume and center level are too low.  
Keep the receiver away from noise sources.  
Install an outdoor AM antenna.  
HUM CAN BE HEARD DURING AM RECEPTION  
Adjust the volume and center level.  
– The center mode is set to phantom mode.  
Set the center mode to normal or wide.  
– The AC power cord may be too close to the AM loop  
antenna or the antenna wire.  
Put the AC power cord away from the antenna wire and  
the AM loop antenna.  
Adjust the position of the AM loop antenna.  
NO SOUND IS HEARD, EVEN WHEN A INPUT  
SELECTION IS MADE  
– The MUTE button is pressed.  
Press MUTE again to cancel the MUTE function.  
– Volume is too low.  
OTHER SYSTEM COMPONENTS DO NOT REACT TO  
REMOTE CONTROL COMMANDS  
Adjust the volume.  
– Connections between the components are incorrect.  
Make connections correctly.  
DIGI LINK III connections are not made properly.  
Make proper DIGI LINK III connections.  
THE REMOTE CONTROL UNIT DOES NOT OPERATE  
– No batteries loaded or dead batteries.  
Replace the batteries.  
– The IR sensor is obstructed.  
Remove the obstacle.  
 

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