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Model kv-40xbr800 change ic6501 and ic8002 but tv working 15 minute only after 6 times blinking, no power on.

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Alright so for a blinking code of 6 times, the Diagnosis: LOW B OCP/OVP (Overcurrent/over voltage). Possible causes: +5 line is overloaded. (A, B boards), +5 line is shorted. (A, B boards). Symptoms of the problem: No picture.

So check the A and B boards for the above (possibly replace them) and let me know how this turns out.


Benjamin

Posted on Jul 20, 2009

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1 Answer

Sony Wega trinitron TV wont turn on..Keeps shutting off and standby flashes 7 times


Thank you for your question.

 

Fortunately this is a common symptom and there is a fix for it.

 

There are two power supply IC's and a capacitor that need to be change. In particular IC6501, IC8002, part number, Mcz3001db, and C6556, 33uF @ 160V.

Jul 15, 2011 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

My tv will come on with no picture but with sound. stay on for a few seconds then turns off and the stand by light flashes 7 times


If no HV, ic8002 is bad part# MCZ3001DB beside flyback transformer. I usually replace IC6501(regulator driver) and IC8002 at the same time, they both have the same part number. If you are not a technician think twice first before replacing because you need a very good soldering skills.

Dec 28, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

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Sony Trinitron Wega TV keeps shutting off and red


There are two Ic's that need replacing on the Deflection Board (D) board.. These regulate power for the High Voltage and Chopper PWM circuits. The IC location on the board are IC6501 and IC8002

Nov 19, 2009 | Sony FD Trinitron WEGA KV-36FS120 36" TV

1 Answer

Light blinks 6 times, no picture, no sound


6 times blinks shows error of Low +B, OVP/ OCP
Replace IC6501 & IC8002 [ MCZ3001D ] on D board.
If you are handy with electronics stuff repair and can solder parts in circuit board then replace above said ICs or call local TV tech to do the job.
Thanks.

Sep 22, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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TV turns off and the standing timer light blinks.


There is a timer option programmed into your set. Check the timer setting in menu, under advanced settings

Sep 16, 2009 | Televison & Video

1 Answer

FD Triniton Wega XBR KV-30XBR910 TV WON'T TURN ON, LIGHT FLASHES 6 TIMES RIGHT NOW, SOMETIMES IF I KEEP TRYING USUALLY SEVERAL WEEKS AFTER TURNING OFF IT WILL TURN ON, BUT WILL EVENTUALLY TURN ITSELF OFF...


Hi,
If you are handy with TV repair then replace IC6501 and IC8002 on D board of TV or ask local TV repair shop to replace it. Both ICs have same number MCZ3001D
Thanks.

Jul 12, 2009 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Kv-34hs420 Standby light blinks 6 times. Power supply issues?


Replace IC6501 and IC8002 at same time, both have same number and located parallel on DZ board. Part number is as follows..
670581001 MCZ3001DB
Available in Part Store.

Jun 26, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

2 Answers

Sony Wega 40" TV will not turn on, standby light blinks 6 times repeatedly


Hello,For model KV-40XBR800,

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.

Good Luck
Dals123

Oct 05, 2008 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

Sony blinks 6 times wont turn on...is it worth fixing


replace on the D board
IC6501
IC8002
C6510
C8027
C6532
C8037

Hope this fixes you, if not then alot of other might get theirs fixed. please leave your feedback!
this fix cam from sony tech just 5 minutes ago.
FIxes problems with tv not turning on when cold, very hard to turn on. or people that have to unplug and plug in again to get it to come on. I usually dont give info like this for free as I'm a head tech.
good luck

Jun 26, 2008 | Sony FD Trinitron WEGA KV-32HS500 32" TV

3 Answers

Sony kv-40xbr800 won't turn on, blinks 6 or 7 times


there are two large electrolytic caps on the D board located on the same side as the hv xformer.
both caps are 1200ufd at 250v, replace C6503, it is futher away from the side of the pcb.
this is the part of the ac rectifier that feed IC6501 chip MZ3001D
cap size is 1 1/8" diameter and about 2" inches high.
my problem with 6 or 7 blinks, would go away temporarily after the tv was unplugged for 24 hours.
i verified the fix by attaching a 250ufd at 250v cap in parallel with the C6503.
the problem was corrected.
you must assume the cap is leaking, which leads to the intermittent failure.
parts and shipping are a killer, so i turned to ebay.
search ebay for "Electrolytic Capacitors, 1200 uF, 250 Volt, Snap in 2X".
as the only bidder, i picked up two caps for $3.99 + $3.50 s&h.
might be wise to replace both caps, C6503 and C6590.
bill wireman

Feb 16, 2008 | Sony FD Trinitron WEGA XBRKV-40XBR800 40"...

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