Panasonic PT-RZ120 (serv.man2) Service Manual ▷ View online
INF-43
SECTION 1 SERVICE INFORMATION
< RZ120 >
OK
DG Check the clock waveform <1>
IC5310/IC5311 - pin 4 : 66 MHz
NG
DG Check X5301, IC5310, IC5311 and peripheral circuit.
OK
DG
Check synchronization signal output from IC5313(FPGA2).
Is the sync signal output at R5463(H sync), R5470(V sync),
R5412 (Clock)?
NG
NG
DG
Check the synchronization signal input of
IC5601(IWARP1).
R5351(H sync), R5454 (V sync), R5432 (Clock)
OK
DG
Check the synchronization signal output of
IC5601(IWARP1)
R5666(H sync/V sync), R5685(Clock)
DG Check IC5313(FPGA2) and peripheral circuit
OK
NG
DG
Check IC5601
(IWARP1) and periph-
eral circuit
DG Check IC5313 (FPGA2)
and peripheral circuit
OK
DG Check the clock waveform <2>
R5014 Clock : 20MHz
NG
DG Check X5001 and peripheral circuit.
Is the color wheel (CW) rotating?
NG
DG Check the motor power of color wheel.
L5013, L5014, L5015 (around IC5004) : Three-phase AC
OK
NG
DG
Check IC5004
(PMD1000) and
peripheral circuit.
DG
Check IC5008
(PMD1000) and
peripheral circuit.
Check the connector
cable between RT1 and
DG11.
Replace the color wheel.
Check the connector
cable between RB1 and
DG11.
Replace the PW1.
OK
OK
DG Check the waveform of [CW1 INDEX] line.
TPDG11 : 180Hz pulse (image no input)
NG
CW Check connector cable (RT1-DG11, CW1-RT5).
Check and replace the CW-PCB.
Is the phosphor wheel 1 rotating ?
NG
DG Check the motor power of phosphor wheel 1.
L5026, L5027, L5028 (around IC5008) : Three-phase AC
OK
NG
OK
OK
DG Check the waveform of [CW2 INDEX] line.
TPDG12 : 180Hz pulse (image no input)
NG
CW Check connector cable (RB1-DG11, CW1-RB3).
Check and replace the CW-PCB.
Is the phosphor wheel 2 rotating ?
NG
DG Check the motor power of phosphor wheel 2.
L5032, L5033, L5034 (around IC5009) : Three-phase AC
OK
NG
DG
Check the IC5009
(PMD1000) and
peripheral circuit.
Check the connector
cable between RB1 and
DG11.
Replace the PW2.
OK
3
4
INF-44
SECTION 1 SERVICE INFORMATION
< RZ120 >
■ Remote control does not respond
● No respond only from front side.
OK
OK
DG The signal waveform can be detected at pin 10 of connector DG6
when pressing the button on the remote control.
NG
R
Check the cable connection between connectors DG6 and
R1.
Replace R-PCB.
DG The signal waveform can be detected at pin 6 of IC6511.
NG
DG Check IC6511, JK6501,Q6506 and peripheral circuit.
DG Check IC6501 peripheral circuit.
Replace DG-PCB.
4
OK
DG Check the waveform of [CW3 INDEX] line.
TPDG13 : 180Hz pulse (image no input)
NG
CW Check the connector cable (RT1-DG11, CW1-RT3).
Check and replace the CW-PCB.
OK
FM
Check power supply line <6>
IC4002 output voltage TP4005 : Approx 8.5V
TP4008 : Approx -10V
TP4009 : Approx 16V
NG
DF Check IC4002 and peripheral circuit.
FM Replace the FM-PCB.
OK
● No respond only from rear side.
OK
DG The signal waveform can be detected at pin 11 of connector DG8
when pressing the button on the remote control.
NG
BR
Check the cable connection between connectors DG8 and
BR1.
Replace BR-PCB.
DG The signal waveform can be detected at pin 4 of IC6506.
NG
DG Check IC6506 and peripheral circuit.
DG Check IC6501 and peripheral circuit.
Replace DG-PCB.
INF-45
SECTION 1 SERVICE INFORMATION
< RZ120 >
■ SERIAL IN/OUT does not respond
OK
OK
Check the cable connection of JK6503/JK6504 (SERIAL IN/
OUT).
NG
Connect the connector firmly
DG The signal waveform can be detected at pins 10, 12, 16, 17 of
IC6509 when sending the serial commands.
NG
DG Check IC6509 and peripheral circuit.
DG Check IC6501 and peripheral circuit.
Replace DG-PCB.
OK
● No respond only with wired control.
OK
DG The signal waveform can be detected at R6591 when pressing
the button on the remote control.
NG
Check the cable of wired remote control.
DG The signal waveform can be detected at pin 6 of IC6511.
NG
DG Check IC6511, JK6501,Q6506 and peripheral circuit.
DG Check IC6501, replace DG-PCB.
■ REMOTE 2 IN does not respond
OK
OK
Check the cable connection of JK6505 (REMOTE 2 IN).
NG
Connect the connector firmly
DG The signal waveform can be detected at pin 15 of IC6510 when
switching ON/Off with the contact controller.
NG
DG Check IC6510 and peripheral circuit.
DG Check IC6501 and peripheral circuit.
Replace DG-PCB.
INF-46
SECTION 1 SERVICE INFORMATION
< RZ120 >
■ Controls of side panel does not respond
OK
OK
OK
DG Check the voltage (DC 3.3V) at pin 5 of connector DG7 when the
power is turned on.
NG
DG Replace DG-PCB.
DG Check the voltage (DC 3V) at pins 2,3,4 of connector DG7.
NG
S Replace S-PCB.
DG Check the cable connection between connectors DG7 and S1.
NG
Replace cable.
DG Check IC6501 and peripheral circuit.
Replace DG-PCB.
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