Read Panasonic PT-DZ770U / PT-DZ770E (serv.man3) Service Manual online
1. 2. Color wheel index adjustment
1. Setting to Service mode and select "Red-Blue" in internal test patterns.
2. Select "CW INDEX" in "EXT OPTION" menu and adjust with
buttons.
3. Confirm if there is a hilizontal line in red area and blue area in the test pattern.
4. If a horizontal line is in the red area, decrease CW INDEX setting value by 1,
and record the value where the horizontal line disappears.
(The recorded value is assumed to "A".)
5. If a horizontal line is in the blue area, increase CW INDEX setting value by 1,
and record the value where the horizontal line disappears.
(The recorded value is assumed to "B".)
6. Set the mean value (omission below decimal point) of "A" and "B" to the CW INDEX setting value.
Note: If there is no value to eliminate the line in red and blue both at the same time,
set it at the point where the line in blue area is hardest to see.
1. 3. EEPROM data transfer
1. 3. 1. Required equipments
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 tool］ Service software is downloaded from the projector service homepage.
1. 3. 2. Connection Preparations
* Set up a PC in advance, prevent be in the standby/ shut-down state.
1. 3. 3. Backup the EEPROM data (It is before circuit board exchange)
1. Switch the projector to "Normal-Standby" mode (POWER indicator is Lighting in red).
2. Start up service software ［DataLogBackup.exe］ with a computer.
3. Select "Option " → " Setting" and set Serial Port of the computer, Baud Rate and Parity.
1. Confirm the projector's ID, baudrate, prity and
take a memo.
take a memo.
2. Connect the SERIAL IN termanal of projector
and PC with a RS-232C cable.
and PC with a RS-232C cable.
Computer
Projector
RS-232C cable (Streight)
Red-Blue test pattern
ADJ - 3
Click on the first or last page to see other PT-DZ770U / PT-DZ770E (serv.man3) service manuals if exist.