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MAIN POWER SUPPLY CHECK
Start
Repairing
1
Connect
Mains plug-In
No
CP010
~300V
Yes
No
+8V_STBY
~10V
Yes
Yes
LED must
be RED
2
Yes
+5V_UP
+5V
No
Check
Connector,
cabels,mains switch
No
Yes
FP001
broken
yes
RP020
broken
No
Check IP020
VDD
Pin 2 of IP020
+13V
No
Check DP220,
CP220
or for short circuit
on the Signal Board
Check IP220
Check diodes
DP001-004,
No
Yes
TP020
TP020,IP050
Short circuit
Check DP110
Yes
IP020
Replace IP020
Short circuit
Check TP026
No
Check diode
Replace
FP001
CP010
Replace
DP020
Replace
RP020
1
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