Panasonic PT-VZ575N / PT-VZ575ND / PT-VZ575NT / PT-VW535N / PT-VW535ND / PT-VW535NT / PT-VX605N / PT-VX605ND / PT-VX605NT (serv.man2) Service Manual ▷ View online
INF-33
SECTION 1 SERVICE INFORMATION
■ No sound
NT/
A/J
[ANALOG]
Check the connections K50A (AUDIO IN), K30B (AUDIO IN1)
[DIGITAL]
Check the connections K8001 (HDMI1), K8002
(HDMI2),K8801(DIGITAL LINK)
(HDMI2),K8801(DIGITAL LINK)
NG
Check the cable connection securely
J
[ANALOG]
Check the waveform at pins 1 and 3 of connector [K50A]
Check the waveform at pins 2 and 3 of connector [K30B]
NG
J
Check K50A, K30A and peripheral circuits
A
[ANALOG]
Check the cable connection between connectors [J1] - [KA1]
Check the cable connection between connectors [J1] - [KA1]
NG
Replace the cable
J
[Common]
Check the waveform at pins 5,14,1,12,9 and 10 of IC5002.
NG
J
Check IC5002 and peripheral circuits
J
[Common]
Check the waveform at pins 12 and 13 of IC5001.
NG
J
Check IC5001 and peripheral circuits
OK
NG
OK
OK
OK
OK
Check each cable connection
No sound with built-in speaker
NG
Follow the section "Built-in speaker check"
No sound with external speakers
NG
Follow the section "AUDIO OUT check"
No sound with built-in and external speakers
J
[Common]
Check the waveform at pins 3, 5, 1 and 7 of IC5003.
NG
J
Check IC5003 and peripheral circuits
J
[Common]
Check the waveform at pins 12 of IC001.
NG
J
Check IC001 and peripheral circuits
A
Replace [A]-P.C.Board
OK
OK
INF-34
SECTION 1 SERVICE INFORMATION
■ Built-in speaker check
■ AUDIO OUT check
A
Check the waveform at pins 1 and 3 of connector [J2]
NG
J
Check IC001 and peripheral circuits
Replace speaker
A
Replace [A]-P.C.Board
OK
NG
A
[ANALOG]
Check the connection cable between connectors [KA1] and
[J1]
[J1]
NG
Replace the cable
J
Replace [J]-P.C.Board
A
Replace [A]-P.C.Board
NG
OK
DIS-1
CONTENTS
SECTION 2 DISASSEMBLY PROCEDURES
Disassembly Procedures
Model No. PT-VZ575N series
PT-VW535N series
PT-VX605N series
SECTION 2 DISASSEMBLY PROCEDURES
1. Parts Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DIS-2
1.1. Electrical parts location (P.C.Boards)
1.2. Electrical parts location (Fans)
1.3. Mechanical parts location
1.2. Electrical parts location (Fans)
1.3. Mechanical parts location
1.4. Optical parts location
2. Mechanical and Electrical Parts Disassembly . . . . . . . . . . . . . . . . . .DIS-4
2.1. Disassembly flow chart
2.2. Air filter cover, air filter unit removal
2.3. Lamp unit and lamp cover removal
2.2. Air filter cover, air filter unit removal
2.3. Lamp unit and lamp cover removal
2.4. Top cover unit removal
2.5. [A]-P.C.Board unit removal
2.5.1 [NT]-P.C.Board, [WL]-P.C.Board removal
2.6. Lamp house and lamp duct assy removal
2.7. Lighting assy removal
2.8. Power box assy removal
2.9. Top panel duct assy removal
2.10. Intake fan removal
3. Optical Parts Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DIS-12
3.1. Disassembly flow chart
3.2. Projection lens and optical block assy removal
3.2. Projection lens and optical block assy removal
3.3. Polarizer-in removal
3.4. Condenser lens-out removal
3.5. PBS and Integrators removal
3.6. Lighting case top removal
3.7. Parts location and direction in the lighting case
<Cable reforming> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DIS-20
4. Cleaning of Optical Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DIS-21
4.1. Note on handling of inorganic polarizer
4.2. Cleaning the internal parts of the optical block
4.3. Cleaning of the polarizer-in
Rev.-1 (2014-09)
DIS-2
SECTION 2 DISASSEMBLY PROCEDURES
1. Parts Locations
1.1. Electrical parts location (P.C.Boards)
1.2. Electrical parts location (Fans)
Board name
Function summary
Board name
Function summary
A
Image processing system / CPU
P
Power supply
J
Signal input terminals
B
Ballast power / Ballast control
R
Remote control receiver
K
Line filter
M2
Air flow sensor
WL
Wireless module
M1
Temperature sensor (Intake air)
NT
Network module
M3
Temperature sensor (Exhaust air)
C
Lamp memory connection
R
A
NT
WL
J
M1
M2
K
M3
C
B
P
Intake fan4
Intake fan1
Intake fan2
Intake fan3
Lamp fan
Exhaust fan
Power fan
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