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Service Adjustment Mode; Service Adjustment Mode Operation; Service Adjustments - Mitsubishi Electric WD-52526 Service Manual

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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.
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, use the "REWIND" and "FAST FORWARD" buttons on the remote
control to toggle through the test patterns. These patterns are used for both electrical and mechanical
3. Adjustment Function Selection
Use the "AUDIO" button to select a
specific Adjustment Function.
MODEL: WD-52526 / WD-62526
AD9881 Sub
Page 28


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