HITACHI - CMP4202E SERVICE MODE AND READJUSTMENTS

RE-ADJUSTMENT

After changing the panel module, re-adjustment is needed  for power unit, signal board and for video board.  It is recomended to start the re-adjustment after 30 minutes warm up with the Butn-In signal.  

HOW TO SET BURN-IN SIGNAL

 [RED, GREEN, BLUE, WHITE, YELLOW, CYAN, MAGENTA, BLACK SIGNAL]

Turn Off the sub-power button or power button on the remote control, and then turn On the sub power for more than 5 seconds while you keep pushing  [Volume Dn & Recall] buttons located on the bottom of the TV set.  When you fall out from Burn-in mode, turn Off the sub power button or Power button on the remote control, then turn On the sub-power button for more than 5 seconds while you keep pushing (Volume Dn) button located on the bottom of the TV set.

8.1Vs and VA voltage adjustment on Power unit.

1. Connect DC voltmeter to the Vs test point and Ground on the power unit.
2. Connect VGA(75), no setup, and all black signal to RGB input terminal.
3. Check the amount of Vs & Va voltages printed on the label located lower side on the panel module.

How to Adjust

1. If the difference of printed voltage of VS and the value of the DC voltmeter of Vs is over [+/- 0.4V], adjust the Vs adjustment volume located upward on the power unit to within [+/- 0.4V.
2. If the difference of printed voltage of Va and the value of DC voltmeter of Vs is over [+/- 0.4V], adjust the Va Adj volume located upward on the Power Unit to within [+/- 0.4V]

TO SET SERVICE MODE ADJUSTMENT

• Turn Off the sub-power button or Power button on the remote control.
• The turn On the sub-power button for more than 5 seconds, while keep pushing 'input Select' & "Recall" buttons located on the bottom of the set.

Preparation.

1. Indicate the service adjustment mode.
2. Select 'Ship-2', then press "Recall" button for more than 3 seconds by remote control.  The screen disappears, and EEPROM is initialized.
3. A service mod screen will appear after initialization end again.
4. To call an item to adjust, use Up/Dn buttons on the remote control.
5. To adjust the data value to selected item, use Left/Right buttons on the remote control.
6. To memorize the data, press 'Enter' button on the remote control.