AV SURROUND RECEIVER SR7300
UP
SURROUND
VOLUME
DOWN
MEMORY
TUNING
MODE
F/P
CLEAR
S-DIRECT MULTIROOM
MUTE
A/D7.1CH INPUTSPEAKRS A/B
POWER ON/STANDBY
PHONES
ENTER
STANDBY
AUX1 INPUT
S-VIDEODIGITAL VIDEO L AUDIO R
DSS/VCR2
AUX1 AUX2
VCR1
DVD
TV
CD
CD-R
TAPE
TUNER
ATT
SELECT
DISP MULTI AUTO TUNED ST V
–
OFF NIGHT PEAK ANALOG
DIGITAL
ATT
SLEEP
SURR
AUTO
DIRECT DISC 6.1 MTX 6.1 SPKR AB EQ
DIGITAL
SURROUND
PCM
L
C
R
SL S SR
LFE
AV Surround Receiver
SR7300 / SR7300OSE / PS7300
03AJ855010 MIT
First Issue 2002.11
SR7300 /
N1B/U1B/K1G/N1G/U1G
SR7300F /
N1B/U1B/K1G/N1G/U1G
R
SR7300 / SR7300F
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
PS7300 /
F1B/F1N
AV Surround Amplifi er
PS7300
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS AND SERVICE TOOL ........................................ 1
2. TECHNICAL DESCRIPTION................................................................................. 4
3. WIRING DIAGRAM................................................................................................ 5
4. BLOCK DIAGRAM................................................................................................. 7
5. SCHEMATIC DIAGRAM ........................................................................................ 9
6. PARTS LOCATION .............................................................................................. 25
7. IC DATA................................................................................................................ 36
8. EXPLODED VIEW AND PARTS LIST ................................................................. 47
9. SERVICE PROGRAM.......................................................................................... 51
10. UPDATE FIRMWARE .......................................................................................... 53
11. POWER AMPLIFIER ADJUSTMENT.................................................................. 55
12. SYSTEM ERROR................................................................................................ 56
13. TROUBLE SHOOTING........................................................................................ 57
14. ELECTRICAL PARTS LIST ................................................................................. 61
