[TechAssist] Re: RCA vcr Model#VR634HF no video
- From: "becyn" <becyn@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 20 Jun 2003 10:39:41 -0400
Junior,
First of all , at $70.00 new, why are you repairing this ? Anyway, yes it's
either system control or the EE function inside the process IC. Check the
control pin states for proper change with tv/vcr mode change.
Jim McVey
McVey Alltronix
327 Broadway
Newburgh Ny 12550
ph: 845 561 8383
fx: 845 561 9017
Consumer electronics &
computer service.
Factory authorized for
over twenty brands.
----- Original Message -----
From: "junior hurdle" <jselectronics@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, June 20, 2003 9:46 AM
Subject: [TechAssist] Re: RCA vcr Model#VR634HF no video
> ----- Original Message -----
> From: junior hurdle
> To: techassist@xxxxxxxxxxxxx
> Sent: Friday, June 20, 2003 2:18 AM
> Subject: RCA vcr Model#VR634HF no video
>
>
> hi techs ,
> I am working on this rca vcr model# vr634hf. it has on output signal .
> I replaced the tuner but that did not solve the problem.
> when I check the voltages on the tuner module I found that 5.1v is
missing from pin 4.
> when I connect pin 3& 4 I get a signal but the video does not switch
off.
> this missing 5.1v comes from pin 74 of ic601 the system control .there
is no voltage at pin 74.
> Could ic 601 be faulty?
>
> Thanks
> Junior Hurdle
> jselectronics@xxxxxxxxxxxx
>
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