[TechAssist] Re: [Fwd: JVC AV-32F703 shutsdown]
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 21 Nov 2005 08:18:49 -0500
Sounds like the micro is shutting the set off. What is the shutdown voltage
at? What does the HOT signal look like?
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Bill Grabowski" <bgrabowski@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 21, 2005 8:11 AM
Subject: [TechAssist] Re: [Fwd: JVC AV-32F703 shutsdown]
> If I repeatedly turn the set on via my isolation transformer 2-3 times
> I have a normal raster and video. If I force on by jumping the relay
> the picture will remain normal but after 4-5 seconds I lose audio but
> good raster and video and all controls have no effect. I forgot to
> mention I unsoldered the VCC to the Vertical IC and still had shutdown
>
> Gemini Computer & TV wrote:
>
>>When you say "set will come on normally for about 4-5 seconds", does this
>>mean you get a raster or does it shutdown before that point? Although I
>>don't have a specific tip, I am wondering about vertical shutdown.
>>
>>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: "Bill Grabowski" <bgrabowski@xxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>; <tv@xxxxxxxxxxxxxxx>
>>Sent: Monday, November 21, 2005 7:34 AM
>>Subject: [TechAssist] [Fwd: JVC AV-32F703 shutsdown]
>>
>>
>>Would anyone have any ideas on a fix for this JVC AV-32F703. I have
>>replaced C973 fixed the poor solder on
>>W624,replaced the flyback,relay,Q951,D945,have checked CRT, all B+'s are
>>right on the money. Are there any JVC
>>tech's that can shine some light on this I'd really appreciate it. This
>>set will come on normally for about 4-5 seconds
>>then shutsdown and have red led blinks. I have to unplug to get set to
>>run again.
>>
>>Thanks Bill Grabowski
>>
>>
>>
>
> --
> **********************
> Bill Grabowski
> Triangle Appliance
> 3813 Roosevelt Rd
> Kenosha WI 53142
> 262-694-6500
> 262-694-6523 fax
> bgrabowski@xxxxxxxxx
> **********************
>
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