Panasonic TH-85VX200W Service Manual ▷ View online
21
TH-85VX200W
8.2.
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 board will be damaged.)
2. Connect SC jig to connector SC50 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.
22
TH-85VX200W
9 Disassembly and Assembly Instructions
• To disassemble P.C.B., wait for 10 minute after power was off for discharge from electrolysis capacitors.
•
•
, , , and marks indicate screw positions.
9.1.
Rear Cover and Board
Rear Cover required to remove for each board exchange.
Board Name
Rear Cover
A-Board
B
D-Board
B, C
DS-Board
B
SS-Board
D
SC-Board
A,
SU-Board
A
SD-Board
A
C1-Board (upper)
A, B
C2-Board (upper)
B, C
C3-Board (upper)
B, C
C4-Board (upper)
C, D
C1-Board (lower)
C, D
C2-Board (lower)
B, C
C3-Board (lower)
B, C
C4-Board (lower)
A, B
S1-Board
A
SS2-Board
D
SS3-Board
D
V1-Board
A, B, C, D
V2-Board
A
V3-Board
A, B, C, D
PB-Board
B
P-Board (MAIN_1)
C
P-Board (MAIN_2)
C
P-Board (SUB)
B, C
HX-Board
B
DN-Board
B
23
TH-85VX200W
9.2.
Location of Rear Cover screws
9.2.1.
Removal of Rear Cover ( A )
1. Remove Eye Bolt Covers M12.
V-Board (L)
C
V-Board (R)
B
Board Name
Rear Cover
24
TH-85VX200W
2. Remove screws (
×24 ) and then remove the Rear
Cover ( A ).
9.2.2.
Removal of Rear Cover ( B )
1. Remove screws (
×26 ,
×12 ) and then remove the
Rear Cover ( B ).
9.2.3.
Removal of Rear Cover ( C )
1. Remove screws (
×26 ,
×6 ) and then remove the
Rear Cover ( C ).
9.2.4.
Removal of Rear Cover ( D )
1. Remove Eye Bolt Covers M12.
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