DOWNLOAD Panasonic TX-PR42GT20 Service Manual ↓ Size: 17.92 MB | Pages: 127 in PDF or view online for FREE

Model
TX-PR42GT20
Pages
127
Size
17.92 MB
Type
PDF
Document
Service Manual
Brand
Device
Plasma / GPH13DE CHASSIS
File
tx-pr42gt20.pdf
Date

Panasonic TX-PR42GT20 Service Manual ▷ View online

21
7 Service Fixture & Tools
7.1.
SC jig
Purpose:
To find the failure board (SC or SM) 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 SM board to isolate SC board from SM board electrically.
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.
LED blinking: Possible cause of failure is in SC board
No LED blinking (Lighting or no lighting): Possible cause of failure is in SM board
4. After inspection, turn off the TV/Display Unit and wait a few minutes to discharge.
5. Remove SC jig from SC board.
Remark: This SC jig can be used for all 2010 Plasma TV and Plasma Display.
22
8 Disassembly and Assembly Instructions
8.1.
Remove the Rear cover
1. See PCB Layout (Section 3)
8.2.
Remove the AC inlet
Caution:
To remove P.C.B. wait 1 minute after power was off for dis-
charge from electrolysis capacitors.
1. Unlock the cable clampers to free the cable.
2. Disconnect the connector (P9).
3. Remove the screw (
×1 
) and remove the AC inlet.
8.3.
Remove the P-Board
Caution:
To remove P.C.B. wait 1 minute after power was off for dis-
charge from electrolysis capacitors.
1. Unlock the cable clampers to free the cable
2. Disconnect the connectors (P2, P6, P7, P9, P11 and
P35).
3. Remove the screws (
×9 
) and remove the P-Board.
8.4.
Remove the Side terminal
cover and the Side shield metal
1. Remove the screws (
×2 , 
×1 ).
2. Remove the Side terminal cover.
3. Remove the Side shield metal.
23
8.5.
Remove the Tuner unit
1. Remove the Side terminal cover and the Side shield
metal. (See section 8.4.)
2. Unlock the cable clampers to free the cable.
3. Disconnect the connectors (A1, A6, A7, A11 and A20).
4. Disconnect the flexible cable (A31).
5. Remove the screws (
×2 
) and remove the Tuner unit.
8.6.
Remove the A-Board
1. Remove the Tuner unit. (See section 8.5.)
2. Remove the screws (
×3 
) and remove the A-Board.
8.7.
Remove the Speakers
1. Unlock the cable clampers to free the cable.
2. Disconnect the Speaker terminal.
3. Remove the screws (
×2 
 each) and remove the Speak-
ers (L, R).
8.8.
Remove the SM-Board
1. Remove the flexible cables (SM1, SM2, SM3, SM4, SM5,
SM6, SM7 and SM8) connected to the SM-Board.
2. Remove the bridge connectors (SC41-SM41, SC42-
SM42 and SC46-SM46).
3. Remove the molding props (
×4 ).
4. Remove the screws (
×3 , 
×4 
) and remove the SM-
Board.
24
8.9.
Remove the SC-Board
1. Remove the SM-Board. (See section 8.8.)
2. Disconnect the connector (SC2).
3. Disconnect the flexible cable (SC20).
4. Remove the screws (
×7 
) and remove the SC-Board.
8.10. Remove the SS2-Board
1. Remove the Tuner unit. (See section 8.5.)
2. Disconnect the bridge connector (SS21-SS24) and dis-
connect the flexible cable (SS58).
3. Remove the screws (
×2 
) and remove the SS2-Board. 
8.11. Remove the SS-Board
1. Remove the Tuner unit. (See section 8.5.)
2. Unlock the cable clampers to free the cable.
3. Disconnect the connectors (SS11 and SS33).
4. Disconnect the flexible cables (SS61 and SS64).
5. Disconnect the bridge connector (SS21-SS24).
6. Remove the screws (
×6 
) and remove the SS-Board.
8.12. Remove the Hanger metals and
the One leg bracket
1. Remove the Plasma panel section from the servicing
stand and lay on a flat surface such as a table (covered
by a soft cloth) with the Plasma panel surface facing
downward.
2. Remove the One leg bracket fastening screws (
×4 
each) and the One leg bracket.
3. Remove the Hanger metals (L, R) fastening screws (
×2
 each) and remove the Hanger metals (L, R).
Page of 127
Display

Click on the first or last page to see other TX-PR42GT20 service manuals if exist.