Re: Sony KV36FS12 no power any thoughts

Many of the later model Sony TV's have a built in Self- Diagnosis
function. If the timer/standby indicator is blinking, this could be an
indication of the problem with the unit. The diagnostic blinking will
occur automatically with no action required by you to engage it.
The timing of the blinking you see would be as follows: two to eight
blinks (depending on the fault) about a third of a second apart, then
pauses for 3 seconds, then the two to eight blinks about a third of a
second apart again. Here is a list of the problems that might have
occurred indicated by the number of blinks. The words in parentheses
are those which you will see for each of these faults on a diagnosis
screen described later in this article. Unit is dead and there are no
blinks---Problem in the standby power section. Might check fuse, R607,
Q601, IC601, R612 and VDR601 (should show open)
Continuous Blink Once A Second, No Pausing---No reply from the jungle
IC (data bus is busy, shorted to ground or held high), IK video path
is defective.
ONE Blink--- not used for the self-diagnosis
TWO Blinks---B+ over current protection (OCP) , unit goes to the
standby mode then displays the 2 blink fault. Could be a short in the
power supply of any of the circuits.
THREE Blinks---B+ over voltage protection (OVP), unit goes to the
standby mode then displays the 3 blink fault. This is also a problem
in the power supply circuit.
FOUR Blinks---No Vert. Deflection (V STOP), Screen goes to a single
horizontal line then the video signal muted.
FIVE Blinks---AKB circuit (AKB), the timer/standby indicator blinks
for about 30 seconds then goes to the self-diagnosis function.
Something is wrong with the video. Also unit be in IK blanking, try
turning up screen slightly.
SIX Blinks---No Horizontal (H STOP), no raster, goes to the blinking
selfdiagnosis function immediately. Check jungle IC and nearby
components.
SEVEN Blinks---High voltage shutdown. The high voltage has exceeded
33kv and the unit goes immediately into safety shutdown. Check power
supply regulation and horizontal circuits.
EIGHT Blinks---Problem with the audio (AUDIO), unit goes to standby
and blinks the self-diagnosis code. Check audio amp IC.

faisal :-)

.

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