Onkyo TX-NR757, Service Manual

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5 4 3 2 1 6
D
C
A
B
D
C
A
B
5 4 3 2 1 6
Trouble Shoot
TX-NR555/656/757
TX-RZ610/710, HT-R695
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.
No Sound (HDMI in)
Process Check Point Damaged PCB
1
J6504(BATRM-2023)
● +24V
BAAF-1979
2
P8002A(BADG-1985)
BAAF-1979
3
P2802B(BAPRC-2034)
BATRM-2023
4
P8003A(BADG-1985)
BAPRC-2034
5
P8002A(BADG-1985)
BAPRC-2034
6
Q1501(BADG-1985)
BADG-1985
7
● J4606(BAAF-1979)
BAAF-1979
8
Q6001, Q6021(BAAF-1979)
● Base
BACLA-1988
9
P2800B(BAPRC-2034)
BAAF-1979
10
● P6021(BAAF-1979)
The amplified beautiful wave.
BAAF-1979
11 BATRM-2023
No Good
OK
No Good
OK
No Good
OK
No Good
OK
No Good
OK
No Good
OK
No Good
OK
No Good
OK
No Good
OK
No Good
OK
5 -15V 7 +15V
1 +12V ~ +15V
28 +3.3V
29 Signal 30 Signal
1 Signal
10 +3V (HIGH)
BADG-1985 BAPRC-2034
BATRM-2023
BAAF-1979