Panasonic TH-50PH12RK / TH-50PH12RS Service Manual ▷ View online
19
TH-50PH12EK / TH-50PH12ES
8 Service Fixture & Tools
8.1.
SC jig
Purpose:
To find the failure board (SC or SU/SD) when the power LED is blinking 7 times.
SC jig:
Jumper connector to connect to SC50 connector on SC board
Part number:
TZSC09187
How to use:
Caution: Remove SC jig from SC board after inspection.
1. Remove all connector between SC board and SU/SD board to isolate SC board from both SU and SD board electrically.
Note: The board will be damaged if all connector is not removed (for example; remove connector only for SU board
and stay connecting with SD board. The boad will be damaged.)
and stay connecting with SD board. The boad will be damaged.)
2. Connect SC jig to connector SC51 at left bottom side of SC board.
3. Turn on the TV/Display Unit and confirm the power LED blinking.
3. Turn on the TV/Display Unit and confirm the power LED blinking.
LED blinking: Possible cause of failure is in SC board
No LED blinking (Lighting or no lighting): Possible cause of failure is in SU or SD board
No LED blinking (Lighting or no lighting): Possible cause of failure is in SU or SD board
4. After inspection, turn off the TV/Display Unit and wait a few minutes to discharge.
5. Remove SC jig from SC board.
5. Remove SC jig from SC board.
Remark: This SC jig can be used for all 2009 Plasma TV and Plasma Display.
20
TH-50PH12EK / TH-50PH12ES
9 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.
9.1.
Removal of Rear Cover
1. Remove screws (
×8 ,
×29 ,
×4 ) and then remove
the Rear Cover.
9.2.
Removal of HU-Board
1. Remove 4 screws (A) and then remove the HU Terminal
Block.
2. Remove 4 screws (B).
3. Remove 3 screws (C) and then remove HU-Board.
3. Remove 3 screws (C) and then remove HU-Board.
9.3.
Removal of Slot Block
1. Remove the flexible cables from the connectors (DS1,
DS3).
2. Disconnect the connectors (DS2, DS4, DS6, DS7, DS8,
DS10, DS15).
3. Remove 5 screws and then remove the Slot Block.
9.4.
Removal of HX-Board
1. Remove the Slot Block.
(Refer to Removal of Slot Block)
2. Remove 6 screws and then remove the Slot Case.
3. Disconnect the connector (HX1).
4. Remove 4 Hexagonal-Head screws and 2 screws of HX-
4. Remove 4 Hexagonal-Head screws and 2 screws of HX-
Board and then remove HX-Board.
21
TH-50PH12EK / TH-50PH12ES
9.5.
Removal of DS-Board
1. Remove the Slot Block.
(Refer to Removal of Slot Block)
2. Remove 6 screws and then remove the Slot Case.
3. Disconnect the connector (DS14).
4. Remove 10 screws and then remove the Fixed Plate.
4. Remove 10 screws and then remove the Fixed Plate.
5. Remove 3 screws and then remove DS-Board.
9.6.
Removal of DN-Board
1. Remove the flexible cables from the connectors (DN1,
DN2).
2. Disconnect the connectors (DN5, DN31, DN32, DN33).
3. Remove 4 screws and then remove DN-Board and Fixed
3. Remove 4 screws and then remove DN-Board and Fixed
Plate.
Note:
A re-setup of the destination is performed by MS
mode after DN-Board exchange.
mode after DN-Board exchange.
9.7.
Removal of D-Board
1. Remove the Slot Block.
(Refer to Removal of Slot Block)
2. Disconnect the connectors (D5, D25).
3. Remove the flexible cables from the connectors (D20,
3. Remove the flexible cables from the connectors (D20,
D31, D32).
4. Remove 4 screws and then remove D-Board.
22
TH-50PH12EK / TH-50PH12ES
9.8.
Removal of P-Board
1. Disconnect the connectors (P2, P6, P7 P9, P11, P25,
P34, P35).
2. Remove 9 screws and then remove P-Board.
9.9.
Removal of PF-Board
1. Remove the Slot Block.
(Refer to Removal of Slot Block)
2. Disconnect the connectors (PF1, PF9, PF10).
3. Remove 3 screws and then remove the AC-Inlet Block.
3. Remove 3 screws and then remove the AC-Inlet Block.
4. Remove 7 screws and then remove PF-Board.
9.10. Removal of H3-Board (L, R)
1. Remove 2 screws and then remove the Speaker Terminal
Block (L, R).
2. Disconnect the connector (H37).
3. Remove 6 screws (D) and then remove H3-Board.
3. Remove 6 screws (D) and then remove H3-Board.
9.11. Removal of SU-Board and SD-
Board
1. Remove the Speaker Terminal Block (R).
(Refer to Removal of H3-Board (L, R))
2. Remove the flexible cables from the connectors (SU1,
SU2, SU3, SU4, SU11, SD1, SD2, SD3, SD4, SD11).
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