Read Sony KLV-32D300A / KLV-40D300A / KLV-46D300A Service Manual online
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KL
V
V
-32/40/46D300A
RM-GA008
G1H Board Standby Converter Trouble Shooting
Secondary feedback circuit fail
Check PH6102, IC6201
and around circuit
Short secondary circuit
Check D6201, C6202
T6102 secondary winding
and around circuit
Primary Vcc circuit fail
Check D6133,
T6102 1pin-3pin winding
Standby Converter fail
R6182 OPEN?
When turn on IC6105 4 pin
more than 22V?
When turn on IC6105 3 pin
more than 4V?
No
No
No
Yes
Yes
Yes
Check resistor
Check IC6102, C6159 or
Short T6102 primary
winding
over voltage protection circuit
over current protection circuit
Check OLP Voltage
Check Vcc Voltage
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