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LGE Internal Use Only
Copyright ©
LG Electronics. Inc. All rights reserved.
Only for training and service purposes
11. IR OUT
Check IR (P4600) 7Pin and R4610
Check PM_TXD line
R3206, R3201
Check the R3504
Check the R3502
Replace Q3500, R3501
Replace IR and Cable
Replace IC3200
Check Pin4 of RS232C(P3200)
Check PM_RXD line
R3205, R3201
If there is no problem without RS232C connection with external
box,
check the PU/PD resistor value of the external box in H/W side.
Replace Q3501, R3503, R3502
Replace IC3200
NO
NO
NO
NO
NO
NO
OK
OK
OK
OK
OK
Summary of Contents for 32LX330C Series
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