Panasonic PT-RQ22KEJ (serv.man3) Service Manual ▷ View online
INF-55
SECTION 1 SERVICE INFORMATION
< RQ22K >
■ Control panel does not respond
OK
OK
OK
J
Check the voltage when the power is turned on.
Connector J2 pin 10 : Approx. 3.3 V
NG
J
Replace [G]-P.C.Board.
J
Check the voltage.
Connector J2 pins 6, 7, 8 : Approx. 3.3 V
NG
S Replace [S]-P.C.Board.
Check the cable connector between J2 and S1.
NG
Replace cable.
J
Replace [J]-P.C.Board.
DIS-1
SECTION
2
SECTION 2 DISASSEMBLY PROCEDURES
CONTENTS
1. Parts Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-2
1. 1. Mechanical parts location
1. 2. Optical parts location
1. 3. Electrical parts location (P.C.Boards)
1. 4. Electrical parts location (Fans)
1. 5. Electrical parts location (Liquid cooling pumps)
1. 6. Electrical parts location (Sensor)
1. 2. Optical parts location
1. 3. Electrical parts location (P.C.Boards)
1. 4. Electrical parts location (Fans)
1. 5. Electrical parts location (Liquid cooling pumps)
1. 6. Electrical parts location (Sensor)
2. Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-8
2. 1. Fine coaxial cable connector
2. 2. WOB unit
2. 3. Disassembly flowchart
2. 4. Projection lens removal
2. 5. Top cover removal
2. 6. Side cover removal
2. 7. Terminal cover removal
2. 8. Front cover and Rear cover removal
2. 9. Signal circuit block removal
2.10. Circuit intake fan block removal
2.11. Exhaust fan block removal
2.12. LD driver block removal
2.13. Power supply block removal
2.14. Radiator fan block removal
2.15. Lighting case 2 block removal
2.16. LC joint removal
2.17. Lighting case 1 block removal
2.18. Heat pipe fan block removal
2.19. DMD block removal
2.20. Mirror holder removal
2.21. Lens mount block removal
2.22. Engine circulation fan block removal
2. 2. WOB unit
2. 3. Disassembly flowchart
2. 4. Projection lens removal
2. 5. Top cover removal
2. 6. Side cover removal
2. 7. Terminal cover removal
2. 8. Front cover and Rear cover removal
2. 9. Signal circuit block removal
2.10. Circuit intake fan block removal
2.11. Exhaust fan block removal
2.12. LD driver block removal
2.13. Power supply block removal
2.14. Radiator fan block removal
2.15. Lighting case 2 block removal
2.16. LC joint removal
2.17. Lighting case 1 block removal
2.18. Heat pipe fan block removal
2.19. DMD block removal
2.20. Mirror holder removal
2.21. Lens mount block removal
2.22. Engine circulation fan block removal
<Reference> Wiring connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-40
Illustrations of the projector and other parts may vary from the actual product.
DIS-2
SECTION 2 DISASSEMBLY PROCEDURES
< RQ22K >
1. Parts Locations
1. 1. Mechanical parts location
❶
❷
❸
❹
❺
❻
❼
❽
❾
Ref No
Parts name
Ref No
Parts name
1
Top cover
9
LD driver block
2
Terminal cover
10
Power supply block
3
Front cover
11
Signal circuit intake fan block
4
Bottom case ASSY
12
Engine circulation fan block
5
Side cover
13
Heat pipe fan
6
Back cover
14
Radiator fan block
7
Bottom cover
15
Exhaust fan block
8
Signal processing block
DIS-3
SECTION 2 DISASSEMBLY PROCEDURES
< RQ22K >
1. 2. Optical parts location
❶
❷
❸
❺
❻
❼
❽
❾
❹
22
23
21
Ref No.
Parts name
Ref No.
Parts name
1
Engine top cover
13
Lighting case 2
2
Prism 1, 2 fan block
14
Liquid cooling unit for LD2 block
3
Prism 3, 4 fan block
15
LC joint block
4
Liquid cooling unit for DMD block
16
Rod ASSY
5
DMD Block
17
LD1 block (LD1-4/LD1-5/LD1-6)
6
Mechanical shutter
18
LD1 block (LD1-1/LD1-2/LD1-3)
7
Lighting mirror block
19
Lighting case 1
8
Lens mount block
20
Liquid cooling unit for LD1 block
9
Lens mount flange
21
Air duct top block
10
Air duct bottom block
22
Air duct mid block
11
LD2 block (LD2-4/LD2-5/LD2-6)
23
WOB unit
12
LD2 block (LD2-1/LD2-2/LD2-3)
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