Mitsubishi Electronics WD-73927, WD-52628, WD-73727, WD-62827, WD-62627 Required Tools, Prelminary

MODELS: WD-52627 / 52628 / 62627 / 62628 / 62827 / 62927 / 73727 / 73827 / 73927

Optical Engine Adjustments

Test Signal Activation

1)Press “MENU-2-4-5-7” (Service Mode)

2)Press “REW” (Test Pattern).

Red = 4% overscan

White = 5% overscan

Green = 6% overscan

Cyan = 7% overscan

Yellow = 10% overscan

Required Tools

•4mm Hex Wrench (10 inches long minimum )

•5mm Allen Wrench ( 10 inches long minimum)

•10mm Hex or Phillips driver.

Prelminary

Mechanical Optical Engine Adjustments are made using the UNIT-ADJUSTER shown in Figure 1. The UNIT-ADJUSTER is mounted under the Light Engine on the Engine Plate. It is accessed from the front of the set through the opening for the Card Reader. Refer to the model specific Disassembly Instructions and remove the:

•Back Cover

•Speaker Grille

•Card Reader (Refer to page 43)

[A-1]
VERT. KEYSTONE		[A-2]
4mm Hex
		ROTATION
		4mm Hex
		[A-3]
	[B-1]
	LOCKING SCREW	HORIZ. KEYSTONE
	5mm Allen Wrench	4mm Hex

Figure 1: Unit-Adjuster

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