[TechAssist] Re: Philips 27X602 chassis, need vert output IC Vcc resistor
- From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 20 Jun 2003 16:21:43 -0500
Do you get a commission Phil? The VCC for the vertical IC is 24 volts and is
sourced from flyback pin 4 thru a 1 ohm fuse resistor R445 and rectified by
diode D445 filtered by C447 1000uf 35V, straight shot to pin 8 of IC550. The
24 volts also supplies pin 1 thru R545 with two 5.1V zeners in series to
ground.
**************************************************
Jim Myers
Since 1972
Telrad Electronic Services Co.
Fort Wayne, IN 46815
*************************************************
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, June 20, 2003 3:49 PM
Subject: [TechAssist] Philips 27X602 chassis, need vert output IC Vcc
resistor
Helping another tech.
Yes,again.It's a gift. I have a sign on my forehead.
Anyway he has the vert output LA7838 but the Vcc supply resistor is
burnt.Couldn't even give me a location number. Geez.
Anyone have a diagram,or can tell me the value?
Thanks,
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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