Panasonic PT-VMZ60 / PT-VMZ50 / PT-VMZ40 / PT-VMW60 / PT-VMW50 (serv.man3) Service Manual ▷ View online
INF-35
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ VIDEO input check
■ COMPUTER1 input check
■ COMPUTER2 input check
A Check the waveform of C8152
NG
A Check Q8021 and peripheral circuit
A
Check the input waveform of IC6100
C6078(R), C6174(G), C6083(B), C6032(G on sync)
NG
A Check L8003, L8004, L8005, Q8000, Q8001, Q8002,
IC8003 and peripheral circuit.
A
Check the input waveform of IC6100
C6173(R), C6161(G), C6126(B), C6020(G on sync)
NG
A Check L8014, L8015, L8016, Q8004, Q8005, Q8006,
IC8003 and peripheral circuit.
A Check the sync input waveform of IC6100
R6043(H), R6189(V)
NG
A Check IC8004, IC8002 and peripheral circuit.
A Check the sync input waveform of IC6100
R6142(H), R6083(V)
NG
A Check IC8004, IC8002 and peripheral circuit.
③
③
③
OK
OK
OK
OK
OK
OK
OK
OK
One of the inputs (HDMI1, HDMI2, COMPUTER1, COMPUTER2,
DIGITAL LINK(except models VMZ40), USB (VIEWER/WIRE-
LESS/DC OUT)) can be displayed.
NG
One of the inputs (HDMI1, HDMI2, VIDEO, COMPUTER2, DIGI-
TAL LINK(except models VMZ40), USB (VIEWER/WIRELESS/
DC OUT) can be displayed.
One of the inputs (HDMI1, HDMI2, VIDEO, COMPUTER1, DIGI-
TAL LINK(except models VMZ40), USB (VIEWER/WIRELESS/
DC OUT) can be displayed.
NG
NG
Go to "A-PCB operation check"
Go to "A-P.C.Board operation check"
Go to "A-PCB operation check"
INF-36
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ HDMI2 input check
■ HDMI1 input check
Picture appears at HDMI2 input.
NG
A Check IC8011,JK8004 and peripheral circuit.
OK
OK
One of the inputs (COMPUTER1, COMPUTER2, VIDEO, USB
(VIEWER/WIRELESS/DC OUT) can be displayed.
NG
■ USB (VIEWER/WIRELESS/DC OUT input check
OK
One of the inputs (HDMI1, HDMI2, COMPUTER1, COMPUTER2,
DIGITAL LINK(except models VMZ40), VIDEO) can be displayed.
NG
Go to "A-PCB operation check"
③
Go to "A-PCB operation check"
③
Picture appears at HDMI1 input.
NG
A Check IC8011,JK8005 and peripheral circuit.
OK
OK
One of the inputs (COMPUTER1, COMPUTER2, VIDEO, USB
(VIEWER/WIRELESS/DC OUT) can be displayed.
NG
Go to "A-PCB operation check"
③
INF-37
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ A-PCB operation check
OK
OK
A Check the clock waveform at IC5000
X5001 : 16MHz
A Check IC5000, X5001 and peripheral circuit.
A Check the clock waveform at IC6100
X6002 : 24MHz
A Check IC6100, X6002 and peripheral circuit.
NG
NG
■ DIGITAL LINK input check
Picture appears at HDMI1 or HDMI2 input.
NG
A Check IC8011,IC3300,JK3003 and peripheral circuit.
OK
OK
One of the inputs (COMPUTER1, COMPUTER2, VIDEO, USB
(VIEWER/WIRELESS/DC OUT) can be displayed.
NG
Go to "A-PCB operation check"
③
A Replace A-PCB
INF-38
SECTION 1 SERVICE INFORMATION
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
■ MAIN CPU operation check
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
A Is the voltage DC 16.5V at pins 10,11,12,13 of connector A7?
A
P2
Replace the cable between P23 - A7.
Check and replace P2-PCB
A Is the voltage DC 3.3V at pin 2 of IC6000?
A Check IC6000 and peripheral circuit.
A Is the voltage DC 3.3V at R4026?
A Check IC5000, IC5002 and peripheral circuit.
A Is the voltage DC 2.5V at L085?
A Check IC040 and peripheral circuit.
A Is the voltage DC 1.1V at L6022?
A Check IC6004 and peripheral circuit.
A Is the voltage DC 3.3V at L6019?
A Check IC6001 and peripheral circuit.
A Is the voltage DC 0.75V at pin 6 of IC6005?
A Check IC6005 and peripheral circuit.
A Check the clock waveform at IC6100
X6002 : 24MHz
A Check X6002 and peripheral circuit.
A Is the voltage DC 3.3V at pin 3 of IC6007(reset IC)?
A Check IC6007 and peripheral circuit.
A Check IC6008(Flash ROM) and peripheral circuit
A Check IC6008 and peripheral circuit.
A Check IC6100(Micro-processor) and peripheral circuit
A Check IC6100 and peripheral circuit.
A Is the voltage DC 1.5V at L6021?
A Check IC6003 and peripheral circuit.
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
NG
①
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