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Set will not come on, red led just blinks

Found the horizontal output shorted. checked all fuses (four solder in and one glass), fuses are good. replaced the output and set still will not come on; red led still blinks; and the new output is still good. Model #: J27F636, RCA TruFlat---2006

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Try looking at the horz transformer circuitry

Posted on Jun 17, 2009

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2 Answers

Sony KV-36FS210 intermitted horizontal comes and goes nothing is coming up on self test. notice when tap lightly if facing tv on right side it stops. took back off just don't know what I'm looking for....


Sounds like a loose contact. Check all the solder terminals at the horizontal output as well as IC terminals, for any loose or dry solderings. Re-solder all the suspected solder terminals, by applying a little more solder, without making any solder-bridge short in between adjecent solder terminals.

Oct 11, 2013 | Sony FD Trinitron WEGA KV-36FS210 36" TV

1 Answer

When i turn on my tv it keep turn off and blink 4 times the red led, what that means?


Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505. This is the fault. Check all the solder terminals of the vertical output IC first. Loose soldering terminals to this IC can poise this type of problem. Resolder all the suspected solder terminals to this IC. If this do not help you, replace this IC with same number.

Jul 03, 2012 | Sony FD Trinitron WEGA KV-27FS120 27" TV

1 Answer

When i try to turn on my sony kv-27fs12 keep turn off and blink 4 time a red led make a pause and keep blinking 4 times, what that could be?


Four blinks - No vertical Deflection (V STOP), Screen goes to a single horizontal line then the video signal muted. Check IC1509, Q1505
Vertical sweep failure. Check all the solder terminals to vertical output IC. If it do not help, replace that IC.

Jul 03, 2012 | Sony KV-27FS12 27" TV

1 Answer

Red light flashes six times


6 blink's means H stop or Horizontal Drive failure. Check the Jungle and its soldering connection terminals for possible bad soldering or loose connection. In some cases jungle ic found defective.also check your horizontal drive transformer windings and connection that is connected at the base of horizontal output transistor. Open winding or loose connection would result to absence of horizontal drive at the base of horizontal output transistor..

Feb 13, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

2 Answers

On power up I hold the power button down, I can hear some sort of relay kick-on, sometimes a horizontal white line appears across the screen, then it kicks-off, and the red led blinks four times...


Hi,
White line across the screen indicates that tv got vertical deflection failure problem that may be due to vertical output chip failure. If that kind of problem occurred, tv select protection mode and red light starts blinking 4 times.
Please check vertical output chip in tv main board and replace it to solve tv issue. This job needs soldering work so local tv repair shop will help you.
Thanks.

Feb 01, 2011 | Sony FD Trinitron WEGA KV-24FS120 24" TV

1 Answer

I have a Sony Trinitron 34" tv. It will not turn on. The red light blinks 6 times then pauses and blinks 6 times again. Is this an easy fix or time to get a new t.v.?


hi,
ur tv has problem with horizontal output stage. check the horizontal output transistor. if it found short replace the same and switch on the tv. if the same fault occur again, then the lot (line output transformer) may be faulty. also check for any dry soldering in the power supply stage and horizontal output sage.
ok

Jan 03, 2011 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

SONY KP-61V90 tv will not power on, red light in front,


Its 2 times blink error code that shows +B volt supply (+135 volts) is shorted, most probably horizontal output transistor is shorted, replace it.
If you are good in soldering parts in circuit board then take out horizontal transistor, check it, found shorted then replace it with same number.

Horizontal output Transistor Q502 number is 2SD2578 and available in Part Store for $10
Let me know for further query, if any.
Thanks.

Nov 18, 2009 | Sony Televison & Video

1 Answer

Set will not turn on, red led just blinks


Check the fuses...............sodeep

Jun 17, 2009 | RCA Televison & Video

1 Answer

Kv24fs120 dead set with two led blinks


Two-blinks of the "Diagnostic STANDBY/TIMER LED" indicates one of two things:

1) Horizontal Output (Q502) in shorted on the A-board.

or

2) IC702 is shorted (CB board)

Two-blinks of the diagnostic red LED is a " B+ Overcurrent" problem.
The red LED will blink 2-times, stay off for 3 seconds, then blink 2-times. The cycle repeats.

The circuit board is quite delicate. One should not attempt repairs (unless one has high quality vacuum desoldering equipment such as a PACE desoldering unit).

Feb 01, 2008 | Sony KV-24FV12 24" TV

1 Answer

Television goes off without turning off


your set needs to be repair by a tech you are having a problem in your power suply which is intermittent.either your hrizontal ic is shorting out, or your regulator or your microchip ic.or the diode that couple the collector of the horizontal transistor with the b+ from the fly back.or check for lose solder in the horizontal output or power supply. good luck

Mar 10, 2007 | Toshiba CZ32V51 32" TV

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