Service adjustments, Measuring equipment and jigs, Test signal – MITSUBISHI ELECTRIC V29 User Manual

Page 40: Circuit adjustment mode

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Page 40

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

SERVICE ADJUSTMENTS

There are only 5 Service Adjustments required in these models:

Two Electrical Adjustments

• Horizontal Centering
• Vertical Centering

Three Mechanical Adjustment

• Picture Rotation
• Horizontal Keystone Distortion
• Vertical Keystone Distortion

Measuring equipment and Jigs

• No additional Test Equipment is required.
• Conventional Electrical Hand Tools.

Test signal

An internally generated Test Signal is used, no additional external signals are
required.

Remote Control Operational Modes

There are two Remote Hand Unit Operational Modes, “Standard” and “NetCommand”. The Remote is initially
in the “Standard” mode. The “NetCommand” mode is used when controlling Home Theater devices using
NetCommand. To change the Remote Operational Mode:

Set the Remote to the TV Layer

Point the Remote away from the TV.

To change to “Netcommand” ... Hold the “Power” button and press “9-3-5” in sequence.

To change to “Standard” ... Hold the “Power” button and press “0-0-0” in sequence.

Circuit Adjustment Mode

On these models, the Cirduit Adjustment Mode is used only for:

• Test Signal activation
• Horizontal Centering
• Vertical Centering the following adjustments may only

be performed using the remote hand unit.

1. Activating the adjustment mode

1. Press the “MENU” button on a remote hand unit.
(The “MENU” display will appear.)
2. Press the buttons “2”, “4”, “5” and “7” in that order.
(The screen will change to the adjustment mode.)
If not changed to the adjustment mode, repeat steps
1 and 2.

2. Test Signal Activation

When in the Circuit Adjustment mode, press “REWIND” on the remote control to activate the test pattern. This
pattern is used for both electrical and mechanical adjustments.

3. Adjustment Function Selection

Use the “AUDIO” button to select a specific Adjustment Function.

Doubler

fmt

Functions

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