Panasonic PT-RZ21KE / PT-RS20K Service Manual ▷ View online
DIS-16
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
2.11. LD driver block removal
1. Unscrew 2 screws-A and remove the support metal.
2. Unscrew 5 screws-B and remove the LD driver block.
A
B
A
A
B
B
B
B
B
Support metal
LD driver block
4. Unscrew 2 screws-C and remove the BR-P.C.Board.
5. Unscrew 2 screws-D and remove the LD driver fan.
3. Remove two connector lead wires on the bottom of the LD driver block.
C
D
BR-PCB
LD DRIVER FAN
C
C
D
D
DIS-17
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
6. Unscrew 2 screws-E and remove the DR-board shield sheet.
7. Unscrew 6 screws-F and remove the DR-board metal, DR-P.C.Board.
8. Unscrew 6 screws-G and separate the D-board metal top and bottom.
9. Unscrew 6 screws on each board and remove the D-P.C.Board.
E
F
G
D-PCB (for LD1)
D-PCB (for LD2)
12
E
F
F
F
F
F
F
E
DR-PCB
DR board shield sheet
DR board metal
G
G
G
G
G
G
G
D board metal bottom
D board metal top
Be careful not to remove or lose each clamp from the sheet or plate.
DIS-18
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
2.12. Power supply block removal
1. Unscrew 9 screws-A and remove the power supply block.
A
A
A
A
A
A
A
A
Power supply block
A
A
PB-PCB
PF-PCB
10
2
1
DIS-19
SECTION 2 DISASSEMBLY PROCEDURES
< RZ21K / RS20K >
2.13. Radiator fan block removal
1. Unscrew 4 screws-A and remove the fan fixing metal.
2. Unscrew 5 screws-B and remove the radiator fan block.
RF-PCB
RADIA
TOR1 F
AN
RADIA
TOR2 F
AN
RADIA
TOR3 F
AN
RADIA
TOR4 F
AN
RADIA
TOR5 F
AN
RADIA
TOR6 F
AN
A
B
2
12
B
B
B
B
B
A
A
A A
Radiator fan block
Fan fixing metal
[Note on mounting]
1. Mount the fans in numerical order, not to nip the lead
wires from the fans.
2. Mount the fans to match the marker (w) (shown in the
figure) and groove where the lead wires from the fan are
taken off.
1
2
4
5
6
3
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