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5 Disassembly and Assembly Instructions
5.1.
Optical Section
DISASSEMBLY METHOD FOR OPTICAL UNIT
When reassembling, perform the steps in reverse order. Bend, route and dress the wires as they were originally.
Note :
a. Place a cloth or some other soft material under the P.C. Boards or Unit to prevent damage.
b. When reinstalling, ensure that the connectors are connected firmly and electrical components have not been damaged.
c. Do not supply power to the unit during disassembly and reassembly.
Note:
The optical parts will be exposed to the dust in the air when the Top Duct Unit is removed. Therefore, it is strongly recommend
to remove the Top Duct Unit only in a clean room.
REMOVAL OF THE MAIN P.C.B. FROM THE OPT/TV UNIT
1. Remove the Tuner P.C.B. and the Rear Jack P.C.B. Refer to Steps 1~3 in "REMOVAL OF THE TUNER P.C.B., THE REAR JACK
P.C.B. AND THE POWER P.C.B." in the service manual (Vol.1).
2. Remove the Top Duct Unit by removing the 2 screws.
3. 1) Disconnect Connectors CN1101, CN1102, CN6005 and release from the clamper.
2) Open and remove the Main PCB Shield Case Top by removing the 3 screws.
Main PCB Shield Case Top
453
Open Main PCB
Shield Case Top
452
453
Clamper
453
Top Duct Unit
452
Fig. P1-1
39
PT-56LCX70 / PT-61LCX70 / PT-50LCX7 / PT-56LCX7 / PT-61LCX7
CN6005
CN1101
CN1102
Slit
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