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9) Remove three screws (B33) securing Program Button Board (L6) and lift off the Program
Button Board (L6) from the LCD Overlay Bezel (L5).
10) Install new Program Button Board in reverse order.
OSD Button Board
8) Disconnect the OSD Button Cable (CB15) from the OSD Button Board (L7).
9) Remove three screws (B33) securing the OSD Button Board (L7) and lift off the OSD Button
Board (L6) from the LCD Overlay Bezel (L5).
10) Install new OSD Button Board in reverse order.
Audio Interface Board
8) Disconnect the Audio Interface Cable (CB5) from the Audio Interface Board (L8).
9) Remove four screws (B35) securing the Audio Interface Board (L8) and lift off the Audio
Interface Board (L8) from the LCD Overlay Bezel (L5).
10) Install new Audio Interface Board (L8) in reverse order.
Summary of Contents for M990T
Page 56: ...55 4 1 Cable Connection Block Diagram 1 MPU PCB LCD Type ...
Page 57: ...56 2 MPU PCB DOT Type ...
Page 58: ...57 3 A D BOARD ...
Page 59: ...58 4 Lift Power BOARD 4 1 Supply Voltage 220 230VAC ...
Page 60: ...59 4 2 Supply Voltage 100 120VAC USA Japan ...
Page 87: ...86 A 1 M990T ...
Page 90: ...89 B 1 MAIN BODY_FRONT A ...
Page 91: ...90 B 2 MAIN BODY_FRONT B ...
Page 93: ...92 C 1 MAIN BODY_REAR ...
Page 95: ...94 D 1 OVERLAY BEZEL ASSEMBLY ...
Page 98: ...97 E 1 CONSOLE ASSEMBLY ...
Page 101: ...100 F 1 BOLT A ...
Page 102: ...101 F 2 BOLT B ...
Page 103: ...102 F 3 BOLT C ...
Page 104: ...103 F 4 WASHER NUT ...