Philips DVP642/37 Service Manual page 10

REPAIR INSTRUCTIONS
D
Audio line
No output
No
Check JK102
good
Yes
Check U106
No
Pin 8 = 12V
Pin 3, 5 = 6V
Yes
Check U106
No
to JK201 and
U103 circuit
Yes
Check U103 and
its conjoint part
2-3
MAIN UNIT REPAIR CHART 2/2
Digital line
No output
Check JK201
is good
Change
JK102
At DVD mode
check Q116 C=5V
JK201 Pin 2 = 5V
Check 12V
supply circuit
Check between
JK201 and U103
Pin 95 circuit
Repair between
U106 to JK201
and U103 circuit
Check U103
E
No
Change JK201
OK
No
Check 5V
supply circuit
circuit
2-3
F
DVD
No video
No
Check JK100
Change JK100
is good
Yes
Check between
No Repair between
JK100 to U103
JK100 to
circuit
U103 circuit
Check U103 and
its around part