[TechAssist] Re: Panasonic PVM2021A no vcr video FIX
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, techassist@xxxxxxxxxxxxx
- Date: Wed, 07 May 2003 09:22:27 -0700
I've removed and Resolder the leads on one of those Hybrid before
to fix it.
Had to do some scrubbing to access the leads if I remember correctly
Peggs
At 07:17 PM 5/6/03, MDileo0000@xxxxxxx wrote:
>It was a bad chroma/luminance IC 3001. I was able to repair it. All of the=20
>smd caps checked good, but did find a 0 ohm smd jumper that had a fractured=20
>solder joint. Works fine. Thanks to all for the lightning fast help.
>
>Dominic DiLeo
>Atlantic TV
>Freeport, Maine
>_____________________________________________
>
>
> TV video, audio and OSD are OK. Excellent FM envelope from cylinder and amp=
>=20
>with normal audio. I don't have a schematic and there are no posted answers=20
>in the Techassist or Freelists archives. The customer stated that the vcr=20
>video suddenly dropped out. Turning up the G2 results in a slick screen,=20
>totally blank. Any tips would be appreciated.
>
>Dominic DiLeo
>Atlantic TV
>Freeport, Maine
>_____________________________-
>That is almost certainly a defective IC3001 in the VCR section. This part
>was a high failure item for video problems (such as no video) in playback
>(VCR luma/chroma process IC). It is part number VCRS0167-A and is in stock
>at Tritronics for $32.96
>
>Bob Waterman, CET=AE #RI-28
>Master Technician License #9109
>Service Manager / Parts Manager
>Gemini Computer, TV, & Security Alarms
>(508)695-7302
>(508)695-7769 FAX
>geminitv@xxxxxxxxxxxxxxxx
>geminitv@xxxxxxx
>www.geminicomputertvsecurityalarms.com
>_________________________________________
>Look for a hybrid IC.
>Heat and Chill it for a reaction
>
>Peggs
>_____________________________________________
>Dominic,
>I'm not sure if your model is the same. Look for a hybrid ceramic IC. It is
>mounted towards the rear by the vcr deck. It has the good 'ol smd
>electrolytics that go bad. This looks like the size Sony uses for the
>SBX1637 sound board.
>Hope this will help.
>Daryl
>Daryl's TV
>3310 Dyer St.
>El Paso, TX 79930
>915-565-9184
>915-564-1024 Fax
>dthunhurst@xxxxxxx
>http://dynacomp.freeyellow.com
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Peggs' Electronics
1519 West 2nd Street
Owensboro,KY 42301
270-926-4968
fax 270-686-7399
peggs@xxxxxxxxxxxxx
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