Onkyo TX-RZ830 Service Manual page 28

1
No Sound (Analog in)
Here the trouble shoot which focuses on the hardware troubles regarding PCB assembly is explained.
Of course, with actual repair there are also troubles due to damaged Power Transformer, Wiring, soldering etc. in addition to PCB assembly.
D
Process Check Point
P4301A(BAAF-2597)
1
2 +26V (+26VRL)
P8003B(BAPRC-2605
2
1 +15V 2
J4111(BAAF-2597)
3
J4111 Audio Signal (FL OUT)
C
Q6001, Q6021(BAAF-2597)
4
Base Audio Signal (FL OUT)
P2800B(BAPRC-2605)
5
15 +3V (SPRLF, HIGH)
P6021(BAAF-2597)
6
P6021 Audio Signal (FL OUT)
7
B
A
1
2
No Good
Damaged PCB
OK
BAAF-2597
BAAF-2597
-15V
BAAF-2597
BACLA-2587
BATRM-2601
BAAF-2597
BATRM-2601
2
3 4
BAPS-2585
BAAF-2597
BACLA-2587
3 4
5
BAPRC-2605
BATRM-2601
BASW-2576
BASW-2578
5
6
Trouble Shoot
D
BADG-2586
C
P7001
BASW-2606
BASW-2577
BADIS-2575
B
A
TX-RZ830
6