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Service Adjustments; Test Signal; Circuit Adjustment Mode - Mitsubishi Electric WD-Y57 Service Manual

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MODEL: WD-Y57 / WD-Y65 / WD-57732 / WD-65732 / WD-73732

SERVICE ADJUSTMENTS

There are only 4 Service Adjustments required in these models:
Two Electrical Adjustments
• Horizontal Centering
• Vertical Centering
Two Mechanical Adjustments
• Picture Rotation
• 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 Circuit 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.
NOTE: The only Service Function on these chassis is the "fmt" function.
3. Adjustment Selection
Use the "VIDEO" button to select a specific electrical adjustment, "1 HPOS" or "2 VPOS".
4. Adjusting Data
After selecting an adjustment item, use the "UP" and "DN" buttons to change adjustment data.
ª If the "UP" button is pressed, the adjustment data increases.
ª If the "DN" button is pressed, the adjustment data decreases.
5. Saving data
Press "ENTER" to save the adjustment data in memory.
The display characters go red for approx. one second in this step.
Note: If the circuit adjustment mode is terminated without pressing
"ENTER", changes in adjustment data are not saved.
Page 31

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This manual is also suitable for:

Wd-57732Wd-y65Wd-65732Wd-73732

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