25
Do the steps below while referring to Fig 3a CONSOLE & POST, Fig 3b CONSOLE and Section
4 ELECTRONIC PCB, CONNECTOR AND CABLE OVERVIEW.
1) Turn off the unit power at the switch and then unplug the line cord at wall outlet.
2) Remove the DISPLAY REAR COVER (74) from the DISPLAY PANEL BOTTM (72) by
unscrewing four screws (75).
3) Remove the DISPLAY PANEL TOP (63) from the DISPLAY PANEL BOTTOM (72) by
unscrewing four screws (73) securing the DISPLAY PANEL TOP (63).
4) Disconnect all the cables from the DISPLAY PANEL TOP (63) and then place the DISPLAY
PANEL TOP (63) on the flat and clean surface so that the LCD screen faces downward.
5) Disconnect one end of the OSD BUTTON CABLE (CB21) from the side of A/D BOARD (8).
The OSD BUTTON CABLE (CB21) is connected in between the A/D BOARD (8) and OSD
BOARD (11).
6) Remove the LCD PANEL BRACKET (3) from the DISPLAY PANEL TOP (1) by unscrewing
six screws (7).
7) Disconnect one end of the LVDS CABLE (CB31) from the side of the LCD PANEL (2). The
other end of the LVDS CABLE (CB31) doesn’t need to be disconnected from the A/D BOARD
(8).
8) Disconnect the LAMP INVERTER CABLE (CB32) from the LAMP INVERTER (6).
9) Place the LCD BRACKET (3) upside down so that the LCD PANEL (2) faces upward.
10) Remove the LCD PANEL (2) by unscrewing four screws (4) securing the LCD PANEL (2) to
the LCD BRACKET.
11) Install new LCD PANEL (2) in reverse order.
Summary of Contents for M770E
Page 24: ...23 3 1 How to Replace the LCD Screen in Model M770EL Fig 3a CONSOLE POST ...
Page 25: ...24 Fig 3b CONSOLE ...
Page 33: ...32 7 Install new AUDIO INTERFACE DOWNLOAD Board 24 in reverse order ...
Page 40: ...39 4 1 Cable Connection Block Diagram 1 MPU PCB on M770EL MPU_FRONT Display MPU_BACK MAIN ...
Page 41: ...40 2 MPU PCB on M770E ...
Page 42: ...41 3 A D BOARD on M770EL ...
Page 43: ...42 4 POWER BOARD 4 1 M770EL DRIVE Board SMPS 5V LCD POWER ADAPTER 4 2 M770E DRIVE Board ...
Page 60: ...59 RCA 6A YELLOW Video Input ...
Page 69: ...68 ...