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MODEL: WD-52527 / WD-52528 / WD-62527 / WD-62528
SERVICE ADJUSTMENTS
There are only 4 Service Adjustments required in these models:
Two Electrical Adjustments
• Horizontal Centering
• Vertical Centering
Two Mechanical Adjustment
• Picture Rotation
• Vertical Keystone Distortion

Measuring equipment and Jigs

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

Test signal

An internally generated Test Signal is used, no additional signals are required.
Remote Control Operational Modes
There are two Remote Hand Unit Operational Modes, “Standard” and “NetCommandTM”. 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 Circuit Adjustment Mode is used only for:
• Internal Test Signal activation
• Horizontal Centering
• Vertical Centering
• Data Transfer
These functions can only be performed using the remote control.
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 Circuit Adjustment Mode.
If change does not occur, repeat steps 1 and 2.
2. Test Signal Activation
When in the Circuit Adjustment mode, use the “REWIND” and “FAST FORWARD” buttons on the remote
control to toggle through the test patterns. Thesepatterns are used for both electrical and mechanical
adjustments.
3. Adjustment Function Selection
Use the “AUDIO” button to select an
Adjustment Function. AD9881 Sub fmt

Functions