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SR7500 / SR8500
PS7500 / PS8500
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
SR7500 / SR8500
PS7500 / PS8500
AV Surround Receiver
SR7500 /
A1B/A1S/K1G/L1G
/N1B/N1G/N1S/U1B
PS7500 /
F1N
AV Surround Amplifi er
Part no. 90M10BW855012
2nd Issue 2004.11
MJI
TABLE OF CONTENTS
SECTION PAGE
1. TECH NI CAL SPEC I FI CA TIONS ........................................................................................... 1
2. TECHNICAL DESCRIPTION ................................................................................................ 4
3. POWER AMPLIFIER AD JUST MENT ................................................................................... 8
4. SERVICE MODE................................................................................................................... 9
5. SYSTEM ERROR ............................................................................................................... 11
6. UPDATE FIRMWARE.......................................................................................................... 12
7. WIRING DI A GRAM ............................................................................................................. 19
8. BLOCK DIAGRAM .............................................................................................................. 21
9. SCHEMATIC DIAGRAM...................................................................................................... 23
10. PARTS LOCATION.............................................................................................................. 45
11. IC DATA ............................................................................................................................... 61
12. EXPLODED VIEW AND PARTS LIST ................................................................................. 85
13. ELECTRICAL PARTS LIST ................................................................................................. 97
SR8500 /
A1B/A1S/L1G/N1B
/N1G/N1S/U1B
PS8500 /
F1N
AV SURROUND RECEIVER SR7500
POWER ON/OFF
PHONES
STANDBY
L
C
R
SL
S
SR
LFE
DIGITAL
SURROUND
DISP
MULTI
AUTO
TUNED
ST
SPKR A B
V-OFF
NIGHT
PEAK
ANALOG
DIGITAL
ATT
SLEEP
SURR
DIRECT
AUTO
DISC 6.1
MT X 6.1
PCM
AAC
AUX 1 INPUT
AUDIO
S-VIDEO
DIGITAL
VIDEO
L
R
DOWN
UP
VOLUME
ENTER
INPUT SELECTOR
2nd EDITION
• 1, 25 and 27 pages were changed.
Summary of Contents for PS7500
Page 25: ...27 28 TO AUX1 PCB TO FRONT PCB TO INPUT PCB TO USB PCB TO INPUT PCB DSP PCB 2 2 ...
Page 27: ...31 32 CN82 AMP PCB ...
Page 33: ...43 44 to STANDBY PCB POWER PCB ...
Page 37: ...51 52 DSP PCB B IC20 Q112 IC16 Q125 DVI PCB IC17 IC11 IC12 IC16 IC18 Q104 Q103 Q102 Q101 ...
Page 39: ...55 56 FRONT PCB IC81 Q801 H P PCB TUNER PCB AUX1 PCB IC83 IC84 SBLR PCB Q103 ...
Page 48: ...68 IC38 IC39 DSP PCB TC74VHC157 ...
Page 50: ...70 IC23 INPUT PCB TC9162AN IC21 INPUT PCB TC9164AN ...
Page 51: ...71 IC23 INPUT PCB TC9162AN IC21 INPUT PCB TC9164AN ...
Page 52: ...72 IC11 IC12 VOLUME PCB TC9482 ...
Page 53: ...73 IC11 IC12 VOLUME PCB TC9482 ...
Page 61: ...81 IC23 DSP PCB CS4382 ...
Page 62: ...82 IC23 DSP PCB CS4382 ...