Mitsubishi Electric WD-52527, Service Manual

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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 TM ”. The Remote is initially
in the “Standard” mode. The “NetCommand TM ” mode is used when controlling Home Theater devices using
NetCommand TM . To change the Remote Operational Mode:
•
Set the Remote to the TV Layer
•
Point the Remote away from the TV.
•
To change to “Netcommand
TM
” ... 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:
• Test Signal activation
• Horizontal Centering
• Vertical Centering
These 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