Panasonic PT-RZ21KE / PT-RS20K Service Manual ▷ View online
DIS-12
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
A x2
A x2
A x2
A x2
Rear cover
Front cover
2. 7. Front cover and Rear cover removal
1. Remove the three connector lead wires connected to the S-P.C.Board inside the front panel.
2. Unscrew 8 screws-A, release each hooks on the covers and remove the front cover.
3. Release each hooks on the covers and remove the rear cover.
R-PCB
2
A
A
A
A
A
Signal circuit block
A-P.C.board sheet
2. 8. Signal circuit block removal
1. Unscrew 4 screws-A and remove the signal circuit block upward.
A
DIS-13
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
2. Unscrew terminal fixing screws and 4 screws-B, and remove the terminal metal plate.
3. Unscrew 5 screws-C on each board and remove the A-P.C.Board, DG-P.C.Board, G-P.C.Board.
B
4
2
10
1
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
G-PCB
DG-PCB
A-PCB
B
B
B
B
Terminal metal plate
Ter
minal
fix
ing
sc
rew
s
DIS-14
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
2. 9. Circuit intake fan block removal
1. Unscrew 2 screws-A and remove the support metal.
2. Unscrew 4 screws-B and remove the circuit intake fan block.
A
B
B
B
B
B
A
A
Support metal
Circuit intake fan block
CIRCUIT INTAKE1 FAN
CIRCUIT INTAKE2 FAN
2
2
DIS-15
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
2.10. Exhaust fan block removal
1. Unscrew 4 screws-A and remove the fan fixing metal.
2. Unscrew 8 screws-B and remove the exhaust fan block.
A
B
A
A
A
A
B
B
B
B B
B
B
B
Fan fixing metal
Exhaust fan block
EXHAUST1 FAN
M1-PCB
EXHAUST2 FAN
8
1
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