[TechAssist] RCA F31672ET CTC187CL2 Audio FIXED
- From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 28 Nov 2003 16:45:35 -0500
Found def C1619 100uf/25V on decoder board...drawing VCC low at #15
U1600..VCC was only 5V
Thanks to all that posted, sent PDF and called...
Bob,
Bobs TV Worcester, ma
woodman1@xxxxxxxx
Main 508-853-1482
Fax 508-853-1480
----- Original Message -----
From: "Bob@Bobs tv" <woodman1@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, November 26, 2003 11:59 AM
Subject: [TechAssist] RCA F31672ET CTC187CL2 Audio
> Need some help on this one, Set has no sound, with A/V in sound works...
Mute transistor Q1903 Collector has 12V and base has .2V set muted or not.
pin 29 CPU {mute} 0V muted or not muted..All audio input pins 4 5 7 8
input to T chip have 5.1V..pin 61 {vol} goes from 0V to 2.1 as vol graph
goes up..Subbed Eprom and checked audio perimeters in the service
menu...Appreciate any ideas.
> Thanks in advance..
>
> Bob,
>
> Bobs TV Worcester, ma
>
> woodman1@xxxxxxxx
>
> Main 508-853-1482
> Fax 508-853-1480
>
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