[TechAssist] Re: Fixed--Re: No audio(RCA)-F31700GG
- From: ElectronMan10@xxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 12 Sep 2001 14:54:53 -0500 (CDT)
Found Mute transistor Q1900 and audio output IC bad.
Thanks,
Roger
E-mail message
Sender: techassist-bounce@xxxxxxxxxxxxx From: phil245@xxxxxxxxxxxxx
(Phillip=A0R.=A0Hull) Date: Wed, Sep 12, 2001, 2:03pm (CDT+1) To:
techassist@xxxxxxxxxxxxx Subject: [TechAssist] Re: No
audio(RCA)-F31700GG Reply=A0to: techassist@xxxxxxxxxxxxx
Check out Q1900 and 1911 I think, they are in the soft start circuit for
audio
Phillip R Hull
phil245@xxxxxxxxxxxxx
----- Original Message -----
From: "Robert Herring" <supertek66@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 12, 2001 1:22 PM
Subject: [TechAssist] Re: No audio(RCA)-F31700GG
try removing muting transistor if sound comes up OK replace eeprom
----- Original Message -----
From: <ElectronMan10@xxxxxxxxx>
To: <Techassist@xxxxxxxxxxxxx>
Sent: Tuesday, September 11, 2001 3:01 PM
Subject: [TechAssist] No audio(RCA)-F31700GG
Chassis: CTC169JS6
Problem: No audio
Have replaced audio output.
Voltage Readings:(audio output)
Pin 1-.5
Pin 2-2.2
Pin 3-.1
Pin 4-2.2
Pin 5-.2
Pin 6-0
Pin 7-0
Pin 8-0
Pin 9-25.9
Pin 10-0
Appreciate any help.
Roger(Electronic Service)
(Using signal tracer can pick up sound on pin 2.)
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