[TechAssist] Re: panasonic tv mod:- CT32G22: chassis:-ANPEDP282:- Dead
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 15 Nov 2004 10:55:54 -0500
Closest set I find in paper here is for a CT27G30 series models (ch#
AMEDP246,252) Micro IC001 is a MN1873234HYJ. 52 pins.
VDD pins: 1,43,42 tied together, to 5V buss and filter caps
C014(1000mfd),C037(100mfd), on to transistor Q002 emitter.
My SMPS here uses an STK730-020 (IC801).
Even if this is not the correct micro, a close inspection should
indicate that any pin with an electrolytic directly attached is a
possible B+ connection. If low ohms is measured there, unsolder and see
if the 5V comes up. These Panasonics micros I've found do short from
line surges often. You said the voltage from the switcher was .5V. You
mean the 5V buss? Hows the +130V source? Others?
Phil Bader
gordon elder wrote:
>Hi
> Hi this set came in dead, there is no relay click.The processor is
> MN1873265T7G, I would like to find the Vcc pin.The switching voltage from the
> power switch is 0.5v.
>
>
>Gordon Elder
>
>Audio video Technician,
>
>Lewis Satellite
>
>Shadowed lawn,
>
>Brittons Hill,
>
>Barbados.
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--
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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