[TechAssist] Re: Proscan PS32130A CTC179
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 4 Apr 2004 23:36:26 -0400
Paul,
From Tech Repair CD:
RCA\CTC179\DEAD* SHUT-DOWN\\\\U1913 AUDIO IC\CR1930-1934 ZENER DIODES\CAUSED BY
HOOKING EXT SPEAKERS/AMP
TO SPEAKER JACKS\\\\\\
RCA\CTC179CM\TV in shut down\\\\C4407(0.55/250v-214753)\\\\\\\\
RCA\CTC179DK\Set works for 2 or 3 minutes and shut off\\\\Replace CR4131 and
eeprom U3102\\\\\\\\
RCA\F35760MB CTC179\Shutting down\\\CTC179\CR4111 shorted*Caps in regulator
C4108 and C4106 high ESR and
horizontal cap C4305 bad\\\\\\\\
Jeff Dougherty
Intrepid Video TV/VCR
263 S Front St
Steelton PA 17113
fax...717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "Paul" <dntwntv@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Sunday, April 04, 2004 9:16 PM
Subject: [TechAssist] Proscan PS32130A CTC179
Makes HV and immediate shutdown and a couple more tries then nothing. Have
130v B+ at the hot. Have
soldered L1401,the driver xmr. the pins on the hot and flyback xmr.Have checked
vert I/C and caps in vert.
circuit. The only thing that I see is R4404 0.68 2W resistor has turned white
in the middle from
overheating but still measures 0.07Ohms. Haven't rung the flyback. Waveform
when trying to start is not
distorted or low. Hope someone has worked on this chassis with this problem and
can help. Paul
Paul ,B
Central TV&Video
Grover Beach Ca.
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