Panasonic PT-DZ13KU Service Manual page 28

5. 1. 4. Lithium battery
1. The lithium battery is used for the internal clock in the A-P.C.Board. So when it consumed it must be replaced.
Lithium battery : CR2032
2. After replacing the lithium battery, set the "Date and Time" on the sub-menu which in main menu "projector set up".
5. 2. Service
5. 2. 1. Supporting Methods
The basic service policy is shown below.
Repair contents
Block replacement
P.C.Board replacement
Repair at the factory
Replaced by discrete
components
5. 2. 2. Repair
1. Since this projector is very strong light output, when checking the projection screen, please UV protection glasses
and select to "single" lamp mode. If the projection distance is short, please pay particular attention.
2. When removing a top cover and carrying out check or adjustment, a strong light has leaked from the optical block.
Please take the use of UV protection glasses and means of the shading.
3. Before repair, make sure to turn off the main power and disconnect the power plug from the power outlet.
* When replacing the print board, the internal electrical parts can be broken by the static electricity of clothes or human
body. Please take care in static electricity, use an antistatic wrist strap or wear the anti-static electricity gloves.
4. After repair, please check the gradation (10step or the gray scale) test pattern and moving image.
Also, please check that it is normal on a self check screen.
5. 2. 3. Interlock detection
Detection by the connector on the rear cover.
Power will not turn on, unless the connector R31 in a rear cover is inserted in the main body side.
Rear cover
* Use only specified lithium battery.
* Used battery must be scrapped according to the instruction.
・ P-P.C.Board (* Specified components are replaced)
・ B/Q-P.C.Board
・ ＷＦ-P.C.Board
・ Ｗ -P.C.Board
・ RW-P.C.Board
・ R3-P.C.Board
・
-P.C.Board
・ Lens mount
・ Rod
DMD Block
Other electrical parts and mechanism parts
R3-P.C.Board
(R31)
Applied parts
・ Ｒ-P.C.Board
・
-P.C.Board (Intake/Exhaust)
・
-P.C.Board
・
-P.C.Board
・ L1-P.C.Board
・ L2-P.C.Board
・ Analysis mirror
・ Iris unit