Question about RCA F32650 32" TV

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I found chirping noise problem

I just found out the chirping sound is coming from a part with these numbers and letters on them:
PN 1536335A
DI 156334O

I looked up part number 2567005 and it doesn't look anything like the part thats making all the noise.

The problem is i don't know what the part is called, where i can get it or how to even take it off.

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Re: i found chirping noise problem

Tv is in shutdown mode caused by bad flyback transformer..
Part # 257805 or ASTI 2078......common problem, but TV
repair skill needed.........................T.

Posted on Dec 11, 2007

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Squealing Component: PN 1536335A; D1 15303340; RXETEED2434.

You're discussing about its SMPS transformer at its main power supply section circuit; I assume. It it sounds [like a buzzer]; check for any loose fitting with its ferrite core.

May 08, 2014 | RCA F32650 32" TV

1 Answer

My old 32 inch rca f32665 stopped working as we were watching it. no picture or sound and there is a sound coming from the back where the power cord goes in that sounds exactly like a cricket only its a...

The usual cause is a shorted horizontal output transistor. The way this chassis is designed, the supply makes 140 volts which is always on and applied to the transistor. The heavy load on the power supply causes it to make that chirping sound as it keeps trying to start, then shuts down right away.

The h-out is Q14401, RCA part number 237470. A 2SC5148 can replace it.

Jul 31, 2011 | RCA F32665 32" TV

1 Answer

RCA F32650 no picture

Sounds like the flyback. Mine did the same. I am in the process of trying to fix it. Try for more help.

Jun 24, 2008 | RCA 32F531T 32" TV

1 Answer

I found chirping noise problem

If your set is an RCA which I believe it is, you can contact RCA to find their part distributor for your area.

How did you determine that these parts are acutaly defective???

When these types of parts are defective, the cause must also be found. When replacing the parts, they will probably fail again unless the underlying cause is found. This will require the proper training, service manual, TV service experience, and the proper tools for troubleshooting.

As for changing the parts, you will require the proper tools and soldering equipment. After all the faults are found and the parts replaced, and the set is working, it is best to verify the power supply performance, the high voltage regulation, and the operating temperature of the various components effected in order to insure reliable after service operation.

Jerry G.

Apr 13, 2008 | RCA F27628 27" TV

1 Answer

RCA 32 in TV no picture no sound just a beeping noise TV power is on

Hello cote,

This indicates a problem in the power supply either the low voltage switching supply or the High voltage power supply. The sounds you hear is the shutdown circuit activating, I would not suggest that you try to repair this problem because of the dangers involved. I would suggest that you take it to a qualified TV repair shop. This problem should not cost you much, however it is the best choice for the problem you described.

I hope this helps,
Thank you,

Mar 14, 2008 | RCA 32V524T 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

2 Answers

High Pitched wine when turning on

yes it is worth fixing & not that serious. but please call skilled tech to fix it as high voltade is inside even it is off.if you are not a tech person.

Sep 29, 2007 | RCA F32450 32" TV

1 Answer

TV will not switch on

It sounds like you may be on the right track. Also you could have a problem in your Horizontal Deflection circuit. Since you say it flickered, you may have a solder joint that was arcing. Probably in the horizontal circuit. I found a capacitor which was arcing in this circuit. I was a small disk type. NOW since it is chirping, the horizontal output transistor may have shorted placing too much of a load on your power supply. The noise you hear is the power suppply trying to start. Stargazer

Jan 29, 2007 | Philips 32PW6506 32" TV

2 Answers

F32650 Chirping No Power On

Replace IHVT aka flyback xformer part #257805.

Nov 30, 2006 | RCA F32650 32" TV

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