Trouble Shooting Chart; No +19V Output - Philips HTL2160C/G/M/S/T/W/12/F7/93 Service Manual

No +19V output

No +19V output
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Is
(Fuse3.15A) normal?
Yes
Is the D533/D534
normal
Yes
Is the U531
(TOP258EN) normal
Yes
Is the D531 D532
U533 normal
Yes
Is there about 15V at
the U532 Pin3.4?
Yes
Power line of Audio PCB is short
the F501
l
5-1
No
Replace the F501(Use the
same ICW)
No Replace the
D538/D539/D540/D541
No
Replace the U531
No
Replace the D531 D532 U533
No
Replace the U532

Trouble shooting Chart