Read Sony KLV-22EX300 / KLV-26EX300 / KLV-32EX300 / KLV-32EX400 / KLV-40EX400 / KLV-46EX400 Service Manual online
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KLV-22, 26, 32 EX300, 32, 40, 46 EX400
RM-GA019
OK
Audio UI Setting, ok?
Main Spk No
Sound
Spk Wire,
Connector, ok?
Spk Impedance
7~8ohm, ok?
CN6200 pin1, 12.6V ok?
F4001
Ok?
IC4002 pin1 -> 3.3V
IC4002 pin2 -> 1.8V
IC4002 pin2 -> 1.8V
Ok?
NG
Correct UI
Change
spk wire
Change
main spk
Change BAA Board
NG
NG
OK
OK
OK
OK
NG
NG
Refer "Standby
LED Blink"
L4004, L4005,
L4006, L4007 -> 6~7Vdc, ok?
Amp IC NG
Amp IC /
Main IC NG
A
A
NG
OK
OK
NG
3-2-2. Flowchart B - Main Speaker No Sound
3-2-3. Flow Chart C -Monitor Out No Sound
Monitor Out No
Sound
Audio UI Setting, ok?
NG
Correct UI
RCA cable,
target unit, ok?
C4075 -> 9V
or F6300 -> 0ohm
or R4095 -> 3V, ok?
Change
RCA cable
/ target unit
Vcc NG /
Main IC
NG
Change BAA Board
OK
OK
OK
NG
NG
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