Sound Board And Microphone; Ir Assembly And Graph Board - NEC VERSA 6220 Service Manual

Sound Board and Microphone

Remove the sound board as follows.
1. Remove the following as previously described:
T
LCD
T
top cover
T
keyboard
T
LCD status bar and power button
Disconnect the microphone cable at connector (P3) and the ribbon cable at con-
2.
nector P6 on the sound board.
Remove the screw and bracket that secure the sound board to the base unit.
3.
Lift the sound board straight up and disconnect it from the graph board.
4.

IR Assembly and Graph Board

Remove the IR assembly and Graph board as follows.
1. Remove the following as previously described:
T
LCD
T
top cover
T
keyboard
T
LCD status bar and power button
T
bridge battery, CMOS battery and buzzer.
Disconnect the cable from connector P10 and remove screw securing IR board
2.
and lift out the IR assembly.
3. Remove the remaining screw from the main board as shown in the following fig-
ure. Gently separate the Graph board from the base unit and I/O board, discon-
necting two connectors.
Field Service Guidelines 4-21