DVD-S657/DV-S5860
DVD-S657/DV-S5860
13
Start
A
V Board
Power on
Are voltages
at all pins of connector (Ref 1303)
in AV Board normal ?
at +3V3 of power part
Yes
No
Yes
No
1. Check Cable
2. Replace power supply unit if AV Board is not shorted,
otherwise find out first where the short is.
Are voltages
at pins of connector (Ref 1104)
in Mono Board
normal ?
Yes
No
1. Check Cable
2. Replace AV Board if Mono Board is not shorted, otherwise
find out first where the short is.
Are voltages
at +8V and +1V8 of power part
normal ?
Is voltage
at +5V VL of power part
normal ?
Yes
No
Yes
No
Check LD1117 (MONO Board) and peripheral circuit.
Check L7808 and LD1117 (AV Board) and peripheral circuit.
Check S12302 and peripheral circuit.
Board
Ref
Name
MONO
7101
LD1117
AV
7301
L7808
AV
7303
LD1117
AV
7306
S12302
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