Onkyo TX-NR545 Service Manual page 20

1
No Power
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
C9001
(BAPS-1743)
1
●
: AC100～240V
2 F9002
(BAPS-1743)
3 F6401, F6402 (BAAF-1720)
C
4 ANY PARTS (BAAF-1720)
5 P7001(FFC) (BAPRC-1760)
P9011B (BAPRC-1760)
●
No.4 pin : +12V (StandBy)
6
+15V (PowerOn)
P9011B (BAPRC-1760)
7
●
No.1 pin : +3V
B
P701A (BAPRC-1760)
8
●
No.1 pin : +5V
9 RL9001 (BAPS-1743)
P9002
(BAPS-1743)
10
●
: AC100～240V
11 P7001(FFC)
(BADIS-1740)
A
12
1. When being not turned on with remote control unit only, BADIS-1740(TX)/ BADIS-1747(DTR) is abnormal.
2. When being not turned on with button on the main unit only, BADIS-1740(TX)/ BADIS-1747(DTR) is abnormal.
1
2 3
このトラブルシュートは故障している基板を特定するためのものです。
ここで見つかった故障基板だけが原因ではなく、電源トランス・接続
線の結線・はんだ付けなどの不具合も考えられます
Damaged PCB
No Good
BAPS-1743
OK
No Good
BAAF-1720
OK and
BACLA-1746
No Good
BAAF-1720
OK and
BACLA-1746
No Good
BAAF-1720
OK and
BACLA-1746
No Good
P7001(FFC)
OK
No Good
OK BAPS-1743
No Good
OK BAPRC-1760
No Good
BAPRC-1760
OK
No Good
BAPS-1743
OK
No Good
BATRM-1754
OK
No Good
P7001(FFC)
OK
BADIS-1740
2 3
4
BAPRC-1760
BATRM-1754
BAPS-1743
BAAF-1720
ANY PARTS on BAAF-1720 / BACLA-1740
Check damage parts
Normal(OK) or Damage (No good)
Check the damage in the red framework part as shown with visual
inspection.
e.g. Broken, Burnout, Discoloration, etc.
●Each voltage is shown as the reference value.
●各電圧は実測した標準値です
4
5 6
Trouble Shoot
P7001
BADIS-1740
BACLA-1746
TX-NR545/646/747
5 6
D
C
B
A