[TechAssist] Re: Sony KV32FV300
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 28 Jun 2005 06:42:42 -0400
SYMPTOMS
On channel 10 the message No signal is displayed.
Changed the CPU, IC001 but same symptom.
RESOLUTION
The message No Signal displayed comes from the Jungle IC301 on the A Board .
Compare the sync and Video input to the Jungle IC between a good channel and
channel 10.
If both waveforms are OK not clipped or too low then replace the Jungle IC.
Symptom can be caused by bad capacitor on input to sync or video of the
Jungle IC.
If channel 10 has lower then normal signal than Jungle IC will not allow
picture. Whereas larger
signal from other channels might over comes the defective capacitor and
symptom does not
occur.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxx
----- Original Message -----
From: "Bob@bobsTV" <woodman17@xxxxxxxxxxx>
To: "TechAsist M" <techassist@xxxxxxxxxxxxx>
Sent: Monday, June 27, 2005 2:56 PM
Subject: [TechAssist] Sony KV32FV300
Sony
KV32FV300
Customer brought this set if for repair, stating display says
"no signal".. Tried set before disassembly, found scrambled picture (like a
pay channel) and no signal displayed on screen...After taking set apart the
set has has been working for 2 hours.. Tapping, poking and flexing the board
I cannot get set to act up..If anyone has any info on this set it would be
appreciated...
Thanks..
Bob.
Bob's TV Worcester, ma
woodman17@xxxxxxxxxxx
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