Question about RCA 32V550T 32" TV

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32v434t dead chk ac in good fuse, cliks ones blinks and noting on scren, sounds like hv whanst to turn on but no hv are restor good hor, out trasistor good fly.

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Re: 32v434t dead

Probable bad IHVT ( AKA flyback transformer )

Posted on Nov 08, 2007

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Re: 32v434t dead

Please go according to procedure 1 isolate h/output section supply. 2 check power supply output is ok if not repaire it. 3 after power supply is ok 4 check hor osc, driver &output if problem repair it. 5 check for loose contact or print break. 6 connect supply to hor section. set will work fine. good luck.

Posted on Sep 22, 2007

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C6090 transistor burn in just seconds

This link will give u a general idea why your transistor burn down.
It could be the hor coil or the driver or lack of hor drive pulse or bad dc hv level or a 100 more reasons !
Usually tv technitions get lucky by replacing a 3-5 $ transistor ,
solving the problem and charging u 100-150 $ , u did the samew took a chance now i am sure u will consider buying a new lcd tv .
good luck

Feb 23, 2015 | Standard (CRT) Televisions

1 Answer

Have sound but no picture. Turned TV off last night and when I turned the TV on this morning there was good sound on all channels, but there is no picture. Just a black screen

is hv circuit problem a power transistor to 25KV transformer maybe dead, check the HV Circuit, or 1XXV output from Mains transformer the fuse maybe dead

Mar 11, 2010 | Sony KV-36XBR450 36" TV

1 Answer

Armed with DMM, tools, and solder...

It is unuaual for the horizontal to go out, leaving a vertical line.
The vertical gets it's power from the horizontal circuit, so if the hor. fails you should have nothing on the display. In this case it may be as simple as the hor. connector to the yoke being burned and not making a good connection. In any case I'm sure the circuitry is ok and you should look for cracked solder joints and/or burned connections. The shut down could be due to there being no hor. deflection, causing the HV to go to high, causing the shutdown. You should check/replace any capacitors that are bad, especially those around the HV shutdown circuit.

May 04, 2008 | RCA 27V520T 27" TV

1 Answer

Sony 36XBR800 Standby light flashes picture sound


For 6 blinks,Pls check following area.

Low HV Shutdown:
On the D Board.
Check IC8004/pin 7 should be 7.4v.
Check IC8006/pin 2 should be 2.5v if lower will trigger shutdown by causing pin 1 to turn on.
Check IC8006/pin 3 reference voltage 2.2v.
IC8006/pin 1 normally at 0v. If high
turns D5007 ON which turns the latch circuit Q6532,
Q6530, and Q6527 ON and turns the AC relay RY6501 OFF.

And NOTE: 6 blinks also can be Low B+ protection.

Unregulated 7.5 v from the power supply to 5v reg IC504 on the A Board. 5v to M Board Q2314

to CPU IC2300/pin 43. If 5v missing set will shutdown with 6 blinks.

I think this will help you to solve the issue.

Dont forget to Rate!!

Good Luck

Apr 10, 2008 | Sony FD Trinitron WEGA KV-36XBR800 36" TV

1 Answer

Blinks twice pause blinks 4 times

Dead or Shutdown symptoms.
Dead symptom reported to be caused by the following:
1. Dead.
Found Q601 & Q602 shorted, R615 open, and IC600 on the A Board were the cause of the symptom.

2. Dead.
Found D614, Zener diode, on B+ line was shorted.

3. Set shutdown and the standby LED blinks 3 then 5 times.
Found 200v line was low. Disconnected CN706 on the C Board and found 200v now
present on CN706/pin 7.
Found: IC702 (C board) shorted the 200 volt line.
HQ Comments: C541 on the A Board could become defective if the 200v line is shorted since
the polarity on the capacitor will become reversed. R553 fuse resistor could also be opened
on the A Board.

4. Error code of 4 blinks .
Dead set press power button you hear the relay and you see red led flash 3 times and stops? Has no HV or other action. Tech removed the back as no 200 volt supply, did unplug CN706 and now has 200volts. Tech did remove the IC702 and same it comes up so needs this IC.

5. Dead. 5 blinks then 3 blinks. Found shorted Damper diode D504. Q502 has a built in damper, as well.

6. The TV does not turn On and the LED flashers 9 times.
Found one side of R610 open on the Base of Q690 on the A board.

7. Dead, 9 flashes, Q606
Would not start when cold, has stand by 5 but relay never energize.
No response from front panel or remote controls.
9 blinks is not in service manual.

Found Q606 (Zero Det.), on the A Board, had no soldered on the collector
of the transistor causing an intermittent connection.
Soldered the collector of Q606 and set returned to operation.
HQ Comments: Also refer to E30968554.

8. Dead. 5 blinks or 3 blinks
Found on the A Board D611 in the Power Supply open, and Hor. Output Q502 shorted.

9. Found Power Supply components D611 shorted causing Q600, Q601, and R615
to fail on the A Board.

10. No picture or sound. Standby flashes.
Found Q512 (Pin Out) shorted. on the A Board.

11. Dead. No sound or picture.
Found the FBT and Q502 were shorted, and R615 open on the A Board.

12. Dead
No power, Stand by light flashes 4 times.
Found T604 and IC601, replaced.
Found D611 on the A Board was the cause of the symptom.

13. Dead.
Found D534 shorted on the A Board.

14. Shutdown 4 Blinks.
Replacing R595, OCP Latch Q532 on the A Board, fixed the set.
PN 1-247-891-00, 330K 1/4 watt.

15. Unit shuts down after 15 mins.
Immediate shutdown - sometimes it give a 3 blink, sometimes nothing.
Found R595 (330K) was open located in the Q532 OCP Latch circuit.
R595 P/N 124789100 330k 1/4w

16. Won't power up. LED Blinks 4 times, B+ is very low
B+ is at 49V, +15/-15 only coming up to about 1 volt.
Wth Hor Out disconnected B+ only comes up to 50v.
Found D611 on the A Board was the cause of the symptom.

17. Intermittently does not turn on
Found a intermittent C633 on pin # 3 of IC600.
C663 P/N 113647911 Film cap .001uf 100v


If you need the service manual contact me

Jan 27, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

4 Answers

Rca 32v434t

went in the menu and blocked the panel buttons on accident

Oct 13, 2007 | RCA 32V550T 32" TV

2 Answers

Power problem rca 32v434t

RCA 32V434T likely has a bad flyback--#271996. RCA 32F531T flyback no longer available,#262343 Fix one,dispose of other.

Sep 26, 2007 | RCA 32F531T 32" TV

1 Answer


Reverse Phase Can do that on Ac expecially when the Cable is Connected,Replace both Caps and Ck the MOV also the full wave Bridge 4 Diodes and Fuse should restore Full Operation Good luck ttech

Jul 24, 2007 | Zenith B32A24Z 32" TV

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