|
|
Zenith srv1300s tv vcr dead
Remove the HOT and try......if it still shuts down , your Hv section should
be OK
Check R607 10 Meg
--
==========================
Jeff Stielau
Shoreline Electronics Repair
344 East Main Street
Clinton,CT 06413
860-399-1861
860-664-3535 (fax)
========================
"If you push something hard enough it will fall over."
Fudd's First Law of Opposition - Sir Sidney Fudd
"Mike" wrote in message
...
I try to power it on, the tv will cycle for a sec and shut off.
I checked the HOT, and it tests fine.
I also read that there are two to-220 regulators that typically go bad on
these, I went ahead and replaced the 7805, and the 7806 regulators, and
the
set still cycles.
I pulled the power supply back out and checked the diodes and voltages.
The
secondary supply diodes test fine.
I checked the volteges on the power supply, the 113vdc test post tests a
normal voltage, and I checked the voltages at the regulators and they both
appear to be normal.
There is about 7volts on the 5vdc regulator with a 4.8 to 5v output
there is 11.5 vdc on the 6vdc regulator with about 5.8 to 6vdc output.
The volts are normal. When i try to power it up, it will cycle too quickly
for the HV to come up.
If i disconnect the TV deflection board completely from the circuit, it
still cycles.
Im stuck.
Any Ideas?
|