Lcd Inverter Board (Iucc #2) - Lexmark X642e Service Manual

7002-xxx

LCD inverter board (IUCC #2)

Note: Part of operator panel left cover.)
Connector
CN1 to J13 on operator panel card
(Model X642e)
CN1 to J13 on operator panel card
(Model X644e/X646e)
CN2 to touchscreen display
5-16
Service Manual
Model X642e Models X644e/X646e
CN pin no. Signal
1 +5 V dc BL
2 Ground
1 +12 V dc
2 +12 V dc
3 Ground
4 Ground
5 BACKLITE CONTROL—Lamp on/
off control
6 PWM DIM—Bright adjust
7 Ground
8 Ground
1 HV DO NOT MEASURE
2 Not used
3 Not used
4 Not used
6 HV DO NOT MEASURE