Right track????????


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Right track????????

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electron00
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Aug 10, 2005, 4:01 PM

Post #1 of 2 (1247 views)
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Right track????????	Can't Post

Toshiba model TP55G60, chassis TAC9753 (12/97):

Would not start up. I could here relay click and high voltage come up/back down with LED flashing on/off:

I pulled the harness going from convergence amp to red gun. Power stays on with picture but of course red convergence is bad.

Measured -14v on pin 18 of red amp. 0v on pin 18 of blue amp. Can't switch harnesses to check.

Is it red amp or red gun (convergence yoke)?? Thanks

Larry E
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Aug 12, 2005, 9:28 PM

Post #2 of 2 (1225 views)
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Re: [electron00] Right track???????? [In reply to]	Can't Post

Hi, Are you sure you measured voltage on pin 18 ? Should be negative

15.9 on pin 17 of both STK`s, Zero volts on pin 18, if you verify that

you have -14 on pin 18 I would ohm out pin 17 to 18 to see if those

2 pins are shorted on that IC, hope this helps, Larry E

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