Panasonic TH-85PF12E Service Manual ▷ View online
21
TH-85PF12E
8 Service Fixture & Tools
8.1.
Service Stand
When conducting repairs and servicing, install the Plasma Display to the Service Stand.
Part number:
TZSA07021
Installation of plasma display:
1. Lock 2 casters.
2. Check that the Alignment bar is set to the Service Stand.
3. Remove 2 screws.
4. Join the stand hooks to the 4 notches on the Service Stand.
2. Check that the Alignment bar is set to the Service Stand.
3. Remove 2 screws.
4. Join the stand hooks to the 4 notches on the Service Stand.
5. Tighten 2 screws.
6. Remove the Alignment bar, then start conducting repairs and servicing.
7. After conducting repairs and servicing, remove the plasma display from the Service Stand in reverse order.
6. Remove the Alignment bar, then start conducting repairs and servicing.
7. After conducting repairs and servicing, remove the plasma display from the Service Stand in reverse order.
Note: Do not over-tighten the screws, as this could cause the fixtures to deform the Service Stand.
22
TH-85PF12E
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 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.
23
TH-85PF12E
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
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
H5-Board
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
HL-Board
Unnecessary
24
TH-85PF12E
9.2.
Location of Rear Cover screws
9.2.1.
Removal of Rear Cover ( A )
1. Remove Eye Bolt Covers M12.
DN-Board
B
HDE-Board
Unnecessary
Board Name
Rear Cover
Click on the first or last page to see other TH-85PF12E service manuals if exist.