Flicker Adjustment; Eeprom Data Transfer - Panasonic PT-EZ770Z Service Manual

SECTION 3 ADJUSTMENTS

1. 3. Flicker Adjustment

1. 3. 1. Adjustment procedure
1. Select "FLICKER ADJUST" on "EXT OPTION" menu and press "ENTER" button to enter the adjustment mode.
2. "DESK setting (blue)" is displayed when entering the adjustment mode.
3. Adjust the setting value to minimize the flicker on the screen with the right-arrow " u " and left-arrow " t " buttons.
4. C hange the adjustment patterns with the up-arrow " ▲ " and down-arrow " ▼ " buttons, and adjust in each adjustment pat-
tern with the step 3 repeatedly.
T here are 6 adjustment patterns, "DESK setting (blue)", "DESK setting (red)", "DESK setting (green)", "CEILING setting
(blue)", "CEILING setting (red)", "CEILING setting (green)".
5. After finishing the adjustments for all of patterns, press the "MENU" button to close the adjustment. The adjustment data
will be saved in the memory.

1. 4. EEPROM data transfer

1. 4. 1. Equipment to be used
1. Computer : Use it for the transfer of backup data.
2. Communication cable : D-sub 9pin (male/female RS-232C straight)
3. Service Software : "DataLogBackup.exe" Service software is downloaded from the projector service homepage.
1. 4. 2. Connection preparations
1. Confirm the projector's ID, baud rate, parity and take a
memo.
2. Connect the serial terminals on the projector and the PC
by using a communication cable.
Note:
Set up your computer not to turn in the standby or shut-
down during the work.
1. 4. 3. Backup the EEPROM data (before board replacing)
1. Set the projector to "Normal-Standby" mode (POWER indicator is Lighting in red).
2. Start up service software "DataLogBackup.exe" with a computer.
Projector Connection terminals
D-Sub 9p (Female)
D-Sub 9p (Male)
ADJ-4
Computer
Communication cable (straight)