Question about RCA Televison & Video
There could be many reasons why, your TV is not yet coming on ,
• Circuits/components on the PS board,
• Communication on the SSB ( one next to it )
• Less likely , but possible Tact switches in front controls
• Or other Circuits like Vertical and Audio
1 ) There could be bad capacitor
( CP110, CP150, CP120 and CP114 ) on the Power / Deflection Board
like these :
2 ) There could be insufficient supply voltages on the Flyback
B+ starts here:
• having none means a short in the system
• having a voltage of say at least 45V means a partially shorted
you may need to resolder these pins also
• having a 110V means there is no oscillation, assuming horiz out
3 ) a shorted horiz out TL010/ bad CL031
location of TL010
horiz = horizontal
4 ) No 200V line to Video Circuits
5 ) Vertical Deflection Circuit Failure
• There might be still other causes, like changed valued Resistors,
other Diodes ( like DL032 ), But try on those first.
• Additional guides
and for testing Transistors
How to test MOSFET
How to solder boards properly
How to use a multimeter
Let me know if you need further assistance, after you started
Thank you for choosing FixYa for assistance. I hope that my
information probes useful to you
Posted on Jul 06, 2010
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Posted on Jan 02, 2017
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