[TechAssist] Re: Sony model KV-32FV1
- From: Frank Luu <fkluu@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 29 May 2002 14:03:35 -0700 (PDT)
Mike:
If use use S-Video input and the picture looks great
then you may have Comb filter problem.You also may
have to check all resistors and diodes out of ABL line
(last pin of flyback transformer).
Just a thought....
Frank
--- Ttkirkpat@xxxxxxx wrote:
>
> When set is first turned on the picture is very
> bright and looks almost
> negative. After about 2 minutes it gradually darkens
> until it stops below
> normal brightness viewing level. If you turn off the
> set for 2 seconds and
> turn it back on the cycle starts all over again. The
> kb,kr,kg all read about
> 114volts at turn on and gradually increase to about
> 189 volts when the screen
> is darker. G2 is consistent at 285volts. The r,b,g,
> feed from the jungle ic
> starts at 3.2 volts and gradually decreases to 1.5
> volts at its darker point.
> The 200volt supply also remains at 200volts always.
> The 9volt stays at
> 9volts. The ik goes from 3.5 to about2.4volts as it
> gets darker. I changed
> the jungle ic of course- made no difference at all.
> Any of you Sony all-stars
> seen this? Thanks Mike Video Center
> ttkirkpat@xxxxxxx
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