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Service Guide ML320/ML321
Chapter 3 Maintenance & Disassembly
Control Board (Rev D)
CAUTION:
Check the contacts and connections of the control board. If good contact is not
made at all connections and ground points, false diagnosis will occur.
Perform these procedures first:
- 3.2.01 (
)
- 3.2.04 (
)
- 3.2.05 (
)
- Turn the locking post (1) 90 degrees clockwise to unlock it.
- Lift the locking claw (2) and pull the control board (3) away from the chassis.
- Detach the cable from the connector (4).
- Tilt the control board 45 degrees and remove it.
