[TechAssist] Re: RCA G35830WK - CTC169J56, No video
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 23 Mar 2004 07:34:28 -0600
Kenny,
Check Q2906 lum buffer. Usally will find near short E-C. Transistor has
3474 on it. Crosses to NTE159, but I haven't had good luck with that
holding up. Use the original, RCA 143806, or find one on a junker.
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32563
850-934-8324 (Voice) 850-932-0819 (Fax)
On Mon, 22 Mar 2004 17:08:18 -0600 Kenny Barnes <kennyb@xxxxxxxxxxxx>
writes:
> No SAMS on this CTC169J56. Sound ok. Pic white out with slanting
> green
> lines. No video. Voltages on output transistors messed up. 8
> volts on E,
> B and collectors. Voltages on 10 k resistors R1, R2, and R3 154
> volts. Voltage at E14, 186 volts. Output transistors check ok.
> Also,
> Q901, Q900, Q903 and Q909 check ok. Without scoping things, suspect
> U1001. No schematic. Any help here? TIA. Kenny
>
> Kenny Barnes kennyb@xxxxxxxxxxxx
> Kenny Barnes tv
> 928 South Marshall st.
> 5154325250
> Boone, Iowa 50036
>
>
>
>
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