Sony KLV-26NX400 / KLV-32NX400 / KLV-32NX500 / KLV-40NX500 Service Manual ▷ View online
-48-
KLV-26,32 NX400(S/B), 32,40 NX500
RM-GA018
IR NO FUNCTION
Probe JL5621 in
BAA to check RC response
When press RC
Check Wire Harness
And Connector
Connectivity?
Check 3.3V
in Pin1 of IR IC
in H Board
OK
Change H2LR Board
Change Wire Harness
And connect Properly
And connect Properly
OK
NG
NG
NG
OK
Check Remote Control
Function?
Change Remote Control
NG
OK
Check 3.3V
at FB5604 in
BAA Board
Change BAA Board
NG
A
A
OK
IC002
HLR
EX, NX
IC101
H2LR
BX
IR ref no.
H Board
Series
Table: IR IC Ref no
3-4. Troubleshooting IR Problem
-49-
KLV-26,32 NX400(S/B), 32,40 NX500
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
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
(average)
KEY
3-5. Tact SW Problem
9-883-489-03
Sony Corporation
Sony UK
Service Promotions Dept.
English
10
H
P7100-1
Printed in U.K.
© 2010.0
8
9-883-489-03
Sony Corporation
Sony UK
Service Promotions Dept.
English
10
H
P7100-1
Printed in U.K.
© 2010.0
8
