[TechAssist] precision TV model # ptv-2066A no colour
- From: "Junior E Hurdle" <jselectronics@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 29 May 2002 11:51:24 -0100
----- Original Message -----
From: Junior E Hurdle
To: techassist@xxxxxxxxxxxxx
Sent: Wednesday, May 29, 2002 1:37 AM
Subject: difference between TA8680n &TA8680bn
Is there a difference between TA8680N and TA8680BN ? I am working on this
presision television that has no colour.
(I Have Repaired the power supply to correct another fault).
Ireplaced the TA8680BN with a TA8680N every thing else is working fine
except that there is no colour.
On pin 42 of the IC there is a 3v that changes only when i desolder the pin
from the circuit. (I.e when i adjust the colour the voltage on pin 42 remains
at 3v . if i desolder the pin it varies from 0 to 8 v)
The ta8680n is a new IC and i have sence tried it in a rca and it works
perfect. So is there some difference in these two
ICs?
Thank You.
Junior Hurdle.
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