PT-DZ680U, PT-DZ680E, PT-DW640U, PT-DW640E, PT-DX610U, PT-DX610E (serv.man3) - Panasonic Projector Service Manual (repair manual). Page 6

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3. Unscrew the 2 screws and remove the Color Wheel Block.
  2. 6. Removal of Power-supply unit
1. Remove the A-P.C.Board block according to the steps 1 through 3 in the section 2.3. "Removal of A-P.C.Board Block".
2. Unscrew the 2 screws and remove the Power Fan.
3. Unscrew the 7 screws and remove the Power-supply unit.
  2. 7. Removal of B-P.C.Board
1. Remove the A-P.C.Board block according to the steps 1 through 3 in the section 2.3. "Removal of A-P.C.Board Block".
2. Loosen the 3 screws fixing the lamp unit until they idle and remove the lamp unit 1.
3. Unscrew the 1 screw and release the terminal for lamp unit 1.
4. Unscrew the 3 screws and remove the Ballast Block.
Color Wheel Block
Power Fan
P-P.C.Board
Terminal for Lamp Unit 1
Lamp Socket Holder
Ballast Block
* Open the Lamp Socket Holder and separate
the socket and the plug for the connection.
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