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20
TH-42PH20E
8 Disassembly and Assem-
bly Instructions
• To disassemble P.C.B., wait for 1 minute after power was off
for discharge from electrolysis capacitors.
•
, ,
, and marks indicate screw positions.
8.1.
Removal of Rear Cover
1. Remove screws (
×17 ,
×23 ) and M8 CAP (×4 )
then remove the Rear Cover.
8.2.
Removal of Slot Block
1. Disconnect the connectors (DS13, P9).
2. Remove the flexible cable from the connector (DS1).
3. Remove 4 screws and then remove the Slot Block.
2. Remove the flexible cable from the connector (DS1).
3. Remove 4 screws and then remove the Slot Block.
8.3.
Removal of DS-Board
1. Remove the Slot Block.
(Refer to Removal of Slot Block)
2. Turn over the Slot Block.
3. Remove 6 screws and then remove DS-Board.
8.4.
Removal of HX-Board
1. Disconnect the connector (A14).
2. Remove 2 Hexagonal-Head screws, 5 screws ( ) and 2
2. Remove 2 Hexagonal-Head screws, 5 screws ( ) and 2
screws ( ) and then remove the HX-Board Block.
3. Turn over the HX-Board Block.
4. Disconnect the connector (HX1).
5. Remove 4 Hexagonal-Head screws and 1 screw of HX-
4. Disconnect the connector (HX1).
5. Remove 4 Hexagonal-Head screws and 1 screw of HX-
Board and then remove HX-Board.
8.5.
Removal of A-Board
1. Remove the HX-Board Block.
(Refer to Removal of HX-Board)
2. Disconnect the connectors (A8, A9, A10, A11, A12, A13,
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