[TechAssist] TIP-Panasonic TV Model CT27SX12F-Washed out pix
- From: "abrown" <abrown@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>, "Full List" <nesdanet@xxxxxxxxxxxxx>
- Date: Thu, 5 Jun 2003 14:25:21 -0700
Product: TV
Brand: Panasonic
Model: CT27SX12F
Complaint: Washed out pix. Customer described it as a "gray cast" all over
the pix..
Fix: IC 2301 AUDIO OUTPUT IC !! Part #AN5277
R850 .56 ohm 1/2 w. in power supply
R856 3.9 ohm 3 w. in power supply
I guess this says just because its a video problem dont rule out the
audio!!! Needless to say , this took a while to find..Found a voltage
missing on CRT module which went back to area of audio output and found then
that the 30 volt source (audio B+) was gone..In this case that source is
shared with a circuit that ends up at the crt module..Called Panasonic Tech
line and they couldn't explain to me why , but at least it fixed it.
Al Brown
Largent's Inc.
718 Main St.
Lewiston,Id. 83501
208-743-8579
208-746-3426 Fax
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