Repair Flow Chart - Philips 107T60 Service Manual

A. Power Supply Failure
1. Symptom:
No startup sound
LED light off
2. Symptom:
hicup mode with
startup sound or
blinking LED
Check 7155/
7152/7154

Repair Flow Chart

Check 7102 Pin8
OK
100V<Pin8<380V
NO
Check
1102/6101/
7101/2105
Turn power off
check the resistance for
all output voltages +190,
+82, 6, 12, -12, 5,
check 6151-6158 short?
Check 7105
Open Circuit
Check 7102
Check 7102
OK
Pin1>2V
Pin5=2.4V
Replace 7102
Replace 7102 Check 6105
Check 7102
Pin1<13.5V
NO
OVP possibly active
NO
Check 6105
OK
Replace 5156
107T6 CRT
Go to cover page
Check 7102
OK
Pin6 output?
NO
OK
Check 3113/
3104/7101
Check
Pin6>8V
Check 7102
OK
Pin5=2.4V
NO
OCP possibly active
Check 3109,3105
Replace 5156
7102 Pin4 DEMAG
possibly active
short 7154 PinC
OK
Check CPU Pin51
87
NO
OK