Daewoo 710B Service Manual page 31

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 the
voltage of IC001
pin 3 16V?
Yes
Is
voltage of T001
pin 6 130V
(370V)?
Yes
Is the
waveform of IC001
pin 1correct?
Yes
Is
voltage of C103
45V DC?
Yes
Is
voltage of C101
80V DC?
Yes
Is
voltage of C113
120V DC?
A
29
No
Switch on
Check the power cord outlet
No
and diode D001, D002,
D003, D004
No
Replace R004
Replace C005
No Trouble in D001, D002,
D003, D004, C004 and
TH001.
No
Trouble in T001, IC001,
IC101, PH001 and D005 etc.
No
Trouble in D102, D103 or
B+ Part
No
Trouble in D101 or
Video Part
No
Trouble in D108 or
Video Part