DOWNLOAD Sony KLV-32D300A / KLV-40D300A / KLV-46D300A (serv.man2) Service Manual ↓ Size: 6.39 MB | Pages: 75 in PDF or view online for FREE

Model
KLV-32D300A KLV-40D300A KLV-46D300A (serv.man2)
Pages
75
Size
6.39 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-32d300a-klv-40d300a-klv-46d300a-sm2.pdf
Date
PREV: Sony KV-LS212M90 Service Manual

Sony KLV-32D300A / KLV-40D300A / KLV-46D300A (serv.man2) Service Manual ▷ View online

– 12 –
KL
V
-32/40/46D300A
RM-GA008
G1H Board Trouble Shooting (KLV-32D300A)
No Picture
Power supply fail
Power supply fail
IC6105
(Stby IC) Fail
VDR6101,6102 
C6105/6106 short?
Q6103 Check
Standby Converter fail
Check Signal circuit
Check Relay_ON Circuit
STBY (Power) LED light
or (Red) blinking?
STBY (Power) LED (Red)
blinking?
2 times blinking?
F6102AC fuse
OPEN?
R6182 Open?
CN6201 11pin
(Power ON)
High    Low?
Without Power Supply
Look at Main converter trouble shooting
or PFC convert trouble shooting
Look at Standby converter
Trouble shooting
Look at Main converter trouble shooting
or PFC convert trouble shooting
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
– 13 –
KL
V
-32/40/46D300A
RM-GA008
G1H Board Standby Converter Trouble Shooting
(KLV-32D300A)
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
– 14 –
KLV-32/40/46D300A
RM-GA008
G1H Board PFC Converter Trouble Shooting
(KLV-32D300A)
Check Q6107, 6108
PH6103, R6181
T6102 Disconnection of
1pin-3pin winding
IC6101, 6103 OVP
circuit operation R6130,
6131, 6132, 6133,
6134, 6135, 6136, OPEN
Or IC6101 fail
PFC Converter fail
IC6101 8 pin (Vcc)
About 17V?
Voltage of C6152
about 18V?
Voltage of C6125 
about 395V?
IC6101 7 pin (Out)
Is the output a
Pulse wave?
IC6101 fail
L6102 disconnection of
5pin-12pin winding
No
No
No
Yes
Yes
Yes
Check
Q6102, R6121
PFC Output voltage
confirmation
It jumps up to DC450V or more transitional
The voltages do not go up by
DC140V. (Confirm it with AC100V)
PFC control IC
Vcc voltage
confirmation
PFC control IC
Switching
confirmation
– 15 –
KL
V
-32/40/46D300A
RM-GA008
G1H Board Main Converter Trouble Shooting
(KLV-32D300A)
Check Q6109, 6110 and
around parts, IC6104
Main Converter fail
R6147 OPEN?
IC6104 8 pin
About 17V?
Check secondary side
circuit, T6101,
PH6104, IC6202
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Main control
IC Vcc voltage
confirmation
Check fuse
resistor
IC6104, C6131,
R6152, 6153 fail
IC6104 15 pin or
C6137 SHORT
When turn on IC6104 pin 3
saw waveform appear?
R6148 Open?
Check resistor
Check PH6104 and
around circuit, IC6104
When turn on IC6104 12 pin
more than 3V?
Check C6158, D6133
T6102 Disconnection of
1pin-3pin winding
Check Timer
Check Q6109, 6110 and
around parts, IC6104
Check Q6107,
Q6108, PH6103
When turn on IC6104 pin 20
Pulse waveform appear?
Voltage of C6152
about 18V?
Check STBY Voltage
Check switching
Page of 75
Display

Click on the first or last page to see other KLV-32D300A / KLV-40D300A / KLV-46D300A (serv.man2) service manuals if exist.

RANDOM: