Yamaha TG77 Installation Manual page 17

Yamaha TG77 LCD Replacement Guide
Fig. 19 - Screw Locations on LCD Front Panel shown in Red
Step 7:
Remove the LCD front panel.
There are 4 screws that hold the LCD front panel in place as shown in the
photo above Fig. 19. In addition, you need to unplug the ribbon cable,
shown in Fig. 20 on page 18. When you remove the LCD, be sure to take
note of how both the ribbon cable and LCD power cable are threaded
through the case openings so you can later properly thread the wiring of the
new replacement LCD.
Once the LCD front panel is removed from the case, you will find the LCD is
attached to it with 4 screws as shown in Fig. 21 on page 18. Remove the
original LCD from the front panel; make note of the orientation of the LCD.
Install the replacement LCD in its place, be sure it is oriented correctly and
properly aligned. Correctly thread the LCD power wire and ribbon cable
through the case openings and plug them in. The power wire will plug into
CN605 the 2-pin white connector you installed earlier and shown in Fig. 13
on page 13.
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