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1. No Raster and No Power
No raster and
No sound
F908 blown?
POWER SUP PWB
No
Any click
sound from
S901?
POWER SUP PWB
No
5V at I001 (62) ?
SIGNAL PWB
No
7 at C936(+)?
No
SIG-POWER failure,
See 'Sub-Power check flow'
TROUBLE SHOOTING
TROUBLE SHOOTING
Check D901, DP01, X901 and others connected
Yes
to AC main
POWER SUP PWB
POW/DEF. PWB
S901 turns off
Yes
Immediately after switch
TV on?
POWER SUP PWB
No
Go to 'Pow./Def. PWB check
flow'
No TV -ON signal,
Yes
Check I001, QG01, Q939,
I905, I906 and Q932
SIGNAL PWB
POWER-SUP PWB
Yes
No STBY5V.
Check I905 and etc.
POWER-SUP PWB
Yes
Power indicator DM03
light?
Front Panel
Yes
Over current of VM.
No
Check QE06, QE07, QE56, QE57, QEA6,
QEA7, & others at VM circuit
CPT/VM PWB
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