Table of Contents
Advertisement
12. Power Supply Unit (P.S.U)
400Vpp (620Vpp)
Trouble in P.S.U
Is
power switch
on?
Yes
Is
fuse F001
O.K?
Yes
Is
voltage of T001
pin 8 130V
(370V)?
Yes
Is the
waveform of Q002
Drain pin
correct?
Yes
Is
voltage of C104
175Vdc?
Yes
Is
voltage of C101
100Vdc?
Yes
Is
voltage of C110
7.0Vdc?
A
29
No
Switch on
Check the power cord outlet
No
and diode D001, D002,
D003, D004
No
Trouble in D001, D002,
D003, D004, C004 and
TH001.
No
Trouble in T001, IC001,
IC101, IC002 and D007 etc.
No
Trouble in D102 or
its ambient circuit
No
Trouble in D101 or
Video Part
No
Trouble in D104
Advertisement
Table of Contents
