Read Sony KLV-32EX500 / KLV-40EX500 / KLV-46EX500 / KLV-55EX500 Service Manual online
– 39 –
KLV-32, 40, 46, 55 EX500
RM-GA018
H2LS NO FUNCTION
Check 3.3V
in PIN2, CN1
OK
Change H2LS Board
OK
NG
NG
NG
*Check
Pin1 Voltage Level
in CN1
OK
Check Wire Harness
And Connector
Connectivity?
Change Wire Harness
And connect Properly
Check 3.3V in JL5604
BAA Board
OK
Change BAA Board
NG
*VOLTAGE LEVEL FOR EACH PRESSED BUTTON
2.8 - 3.3V
2.80V
No
Input
2.1536 -
2.5988V
2.37V
Menu
1.6710 -
2.0229V
1.85V
Input
1.1747 -
1.4268V
1.30V
Vol +
0.7720 -
0.9403V
0.85V
Vol -
0.3421 -
0.4178V
0.38V
CH +
0.0000V
0.00V
CH -
Voltage range
Voltage
(averag
e)
KEY
3-5. Tact SW Problem
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