[TechAssist] Re: RCA BD20TF10 DVD/TV Combo (TVD809 chassis) no audio
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 13 Jul 2005 15:32:30 -0500
Hi Bob,
the only one I fixed with audio problem was IA003 AN7520/256832 and FP60
circuit protect #244837
hth
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
----- Original Message -----
From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxx>
To: "Techassist" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 13, 2005 3:07 PM
Subject: [TechAssist] RCA BD20TF10 DVD/TV Combo (TVD809 chassis) no audio
> I have an RCA BD20TF10 DVD/TV Combo (TVD809 chassis) with no audio. The
> speakers are fine and all menu items have been checked but there is
> absolutely no audio from either TV or DVD. Scoping it reveals audio
present
> at the pin 7 input of audio decoder processing IC (ref# IA002, UPC1851)
but
> nothing out at pins 25 or 26. VCC is present at this IC so I thought this
> would be easy so I replaced the IC and still have the same exact results.
I
> also replaced the audio amp IC (ref# IA003, AN7520) which has proper VCC
as
> well. Of course, fuse FP60 and diode DP61 are okay. I have been a road
show
> lately and haven't had very much shop time so I will have to get into this
> further when time permits but I thought it was worth it to at least throw
it
> out to see if anyone has already had a similar issue with one of these
> darlings and can give me some feedback.
>
> 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
>
>
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