Panasonic PT-VMZ60 / PT-VMZ50 / PT-VMZ40 / PT-VMW60 / PT-VMW50 (serv.man3) Service Manual ▷ View online
INF-39
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ Control Panel does not respond
■ Remote control does not respond
OK
OK
OK
OK
OK
OK
OK
A Is the voltage DC 3.3V at pin 5 of connector A32 when open the
power on.
NG
A Check the power supply line 3.3V_ECOSTB on the A-PCB
A Check the connection of connectors A32 - S1.
NG
Replace cable
S Is the voltage changed when one of the buttons on the control
panel is pressed?
NG
S Replace S-PCB
R The signal waveform can be observed at pin 1 of R3 when any of
the buttons on the remote control is pressed.
NG
R Replace R-PCB
Check the connection of connectors R2 - R3.
NG
Replace cable
A The signal waveform can be observed at pin 8 of connector A33
on the A-PCB.
NG
V Replace V-PCB
Check the connection of connectors R1 - A33.
NG
Replace cable
A Replace A-PCB
A Replace A-PCB
■ SERIAL IN does not respond
OK
OK
OK
OK
J
Check the connection of K20A(SERIAL IN).
NG
J
Check the cable connection
Check the connection of connectors J1 - CN8001.
NG
Replace cable
A
The signal waveform can be observed at pins 2,3,5,6,8,9,11
and 12 of IC5004/IC031/IC5006 when the serial command is
transmitted
NG
A Check IC5004,IC031,IC5006 and peripheral circuit.
J
The signal waveform can be observed at pins 12 and 14 of con-
nector J1 when the serial command is transmitted.
NG
J
Check and replace J-PCB
A Replace A-PCB
INF-40
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ No sound
OK
NG
NG
NG
OK
OK
OK
OK
J/A
[ANALOG]
Check the connection of JK7001 (AUDIO IN1/2), JK7002 (AU-
DIO IN3)
[DIGITAL]
Check the connection of JK8004(HDMI1), JK8005(HDMI2),
JK3003 (DIGITAL LINK)
NG
Check the connection of cable.
J
[Common]
Check the signal at pins 3 and 13 of IC7005.
NG
J
Check IC7005 and peripheral circuit.
J
[Common]
Check the signal at pins 2 and 13 of IC7002.
NG
J
Check IC7002 and peripheral circuit.
J
[Common]
Check the signal at L7002, L7003.
NG
J
Check and repair IC7001 and peripheral circuit.
[DIGITAL]
Check the connection of connector J1 - CN8001.
NG
A Replace cable
J
[DIGITAL]
Check the waveform at pins 23, 25 of connector J1.
NG
Replace A-PCB
A Replace A-PCB
J
Replace J-PCB
No sound with built-in speaker.
(Sound from external speakers)
Follow the section "Built-in speaker check"
No sound with external speakers.
(Sound from built-in speaker)
Follow the section "AUDIO OUT check"
No sound with built-in and external speakers.
Input the audio input and check below.
NG
NG
INF-41
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ Built-in speaker check
■ AUDIO OUT check
J
Check the waveform at L7002, L7003
NG
J
Check IC7001 and peripheral circuits
Check and replace speaker
A Replace A-PCB
J
Replace J-PCB
OK
NG
NG
J
Check the waveform at R7035, R7037.
NG
J
Check Q7008, Q7009 and peripheral circuit.
A Replace A-PCB
J
Replace J-PCB
NG
OK
DIS-1
SECTION
2
(2019-06)
SECTION 2 DISASSEMBLY PROCEDURES
Illustrations of the projector and other parts may vary from the actual product.
CONTENTS
1. Parts Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-2
1.1. Electrical parts location (P.C.Boards)
1.2. Electrical parts location (Fans)
1.3. Mechanical parts location
1.4. Optical parts location
1.2. Electrical parts location (Fans)
1.3. Mechanical parts location
1.4. Optical parts location
2. Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-6
r
Disassembly flow chart
2.1. Air filter cover, Air filter unit removal
2.2. Top cover removal
2.3. Terminal cover & A-PCB block removal
2.2. Top cover removal
2.3. Terminal cover & A-PCB block removal
2.3.1. A-PCB block disassembly
2.4. Front cover removal
2.4.1. V-PCB, R-PCB removal
2.5. Power box and K-PCB/Inlet removal
2.5.1. POWER fan removal
2.5.2. P1-PCB removal
2.5.3. D-PCB removal
2.5.4. P2-PCB removal
2.6. S-PCB, LD duct top, LD fan removal
2.7. Disassembling order of LD unit replacement
2.8. LD case block removal
2.7. Disassembling order of LD unit replacement
2.8. LD case block removal
2.8.1. LD unit block removal
2.8.2. LD unit removal-1
2.8.3. LD unit removal-2
2.8.4. Phosphor wheel block removal
2.8.5. Phosphor wheel removal
2.9. Lighting block removal
2.9.1. Projection lens & optical block removal
2.9.2. Polarizer-out removal
2.9.3. Polarizer-in removal
2.9.4. Condenser lens removal
2.9.5. PBS, Integrator lens removal
2.9.6. Lighting case top removal
2.10. Parts location and direction in the lighting case
2.11. LCD duct removal
2.12. M1-PCB and LCD fans removal
2.11. LCD duct removal
2.12. M1-PCB and LCD fans removal
<Cable Connections> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DIS-23
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