[TechAssist] Re: GE 25GT240, CTC185AA9 parts ID behind I/R det needed
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 4 Jun 2003 08:10:56 -0400
If you were to look in the front pages of a paper service manual, under the
general information section, it has the following information regarding the
circuit related component numbering system used by Thomson TVs.
1200 series - Wide Band Audio Processing
1400 series - Auxillary Video/Audio Input Hi-Fi Output
1700 series - Stereo Audio Processing
1900 series - Audio Output
2300 series - IF Input/Processing
2700 series - Luminance Processing
2800 series - Chroma Processing
2900 series - D-PIP Processing
3100 series - Instument (System) Control
3200 series - EEPROM
3300 series - On Screen Display
4000 series - AC Input and Raw B+
4100 series - Regulated B+ and Standby Voltages
4200 series - Degaussing
4300 series - Horizontal Drive
4400 series - Horizontal Output
4500 series - Vertical Deflection
4700 series - Scan Derived Voltages
4800 series - Pincushion Processing
5000 series - Picture Tube Socket
7000 series - Tuner On Board (TOB) Circuits
I hope this clarifies this somewhat.
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@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
www.geminicomputertvsecurityalarms.com
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 03, 2003 3:43 PM
Subject: [TechAssist] GE 25GT240, CTC185AA9 parts ID behind I/R det needed
> Some green corrosive substance is on many parts directly behind the I/R
> detector diode area.
> R401,CR104,R107,R133, Q901,C420 electrolytic.
> Trouble is, with my Partsfinder program, if I enter "CR104" for example
> under "symbol number", it will not bring up a part because I don't have
> the first number in the ID (such as CR4101, not CR401).But the board
> only has CR401.How the heck do I know the series these are a part of???
> They are all mostly unreadable.
> Phil Bader
> --
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
>
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