5-16 Service Manual
7002-xxx
LCD inverter board (IUCC #2)
Note: Part of operator panel left cover.)
Connector CN pin no. Signal
CN1 to J13 on operator panel card
(Model X642e)
1 +5 V dc BL
2Ground
CN1 to J13 on operator panel card
(Model X644e/X646e)
1 +12 V dc
2 +12 V dc
3Ground
4Ground
5 BACKLITE CONTROL—Lamp on/
off control
6 PWM DIM—Bright adjust
7Ground
8Ground
CN2 to touchscreen display 1 HV DO NOT MEASURE
2 Not used
3 Not used
4 Not used
6 HV DO NOT MEASURE
Model X642e Models X644e/X646e
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