Maintenance Flow Chart - Yamaha SV-S5860 Service Manual

QQ
3 7 63 1515 0
I MAINTENANCE FLOW CHART
at all pins of connector (Ref 1303)
in AV Board normal ?
at +8V and +1V8 of power part
at +5V VL of power part
TE
L 13942296513
at pins of connector (Ref 1104)
at +3V3 of power part
www
.
http://www.xiaoyu163.com
Start
Power on
Are voltages
Yes
Are voltages
normal ?
Yes
Is voltage
normal ?
Yes
Are voltages
in Mono Board
normal ?
Yes
Is voltage
No
normal ?
Yes
A
x ao
y
i
http://www.xiaoyu163.com
8
1. Check Cable
No
2. Replace power supply unit if AV Board is not shorted,
otherwise find out first where the short is.
No
Check L7808 and LD1117 (AV Board) and peripheral circuit.
No
Check S12302 and peripheral circuit.
Q Q
3 6 7 1 3
1. Check Cable
No
2. Replace AV Board if Mono Board is not shorted, otherwise
find out first where the short is.
Check LD1117 (MONO Board) and peripheral circuit.
u163
.
DVD-S657/DV-S5860
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
Board Ref Name
MONO 7101 LD1117
AV 7301 L7808
AV 7303 LD1117
AV 7306 S12302
m
co
9 9
2 8 9 9
13