Panasonic PT-DZ870T / PT-DW830T / PT-DX100T / PT-DZ870U / PT-DZ870E / PT-DW830U / PT-DW830E / PT-DX100U / PT-DX100E (serv.man4) Service Manual ▷ View online
INF - 33
A
A
A
A
A
A
A
A
Check the picture condition of RGB1 or RGB2 input.
Check the waveform on R3173(ACT).
Check circuits between JK3006 and IC3010.
Check of R3484(ACT) and IC3058 peripheral circuit.
Check the waveform.
R3480(G9)、R3444（CLK）、R3484(HS、VS)
R3480(G9)、R3444（CLK）、R3484(HS、VS)
Follow the section "A-P.C.Board operation checks".
● HDMI input checks
DIGITAL LINK mode of NETWORK menu is "AUTO" or
"DIGITAL LINK".
"DIGITAL LINK".
Select the "AUTO" or "DIGITAL LINK",
in DIGITAL LINK mode.
in DIGITAL LINK mode.
DIGITAL LINK version is displayed on the SELF CHECK
screen.
screen.
A
Check the voltage.
L2005:3.3V, L2008:1.8V, L2011:1.0V
Check of X2001 and IC2001 peripheral circuit.
L2005:3.3V, L2008:1.8V, L2011:1.0V
Check of X2001 and IC2001 peripheral circuit.
Check the "SIGNAL QUALITY" in DIGITAL LINK STATUS
menu.
Green (-12 dB or lower) or Yellow (-11 to -8 dB)
menu.
Green (-12 dB or lower) or Yellow (-11 to -8 dB)
A
Check the following components and its associated
circuits.
JK2001-IC2001, X2001, IC2002, IC2003
circuits.
JK2001-IC2001, X2001, IC2002, IC2003
Check the waveform.
R3169(G9)、R3174（CLK）、R3173(HS、VS)
R3169(G9)、R3174（CLK）、R3173(HS、VS)
Check of IC3010 peripheral circuit.
Check of IC3058 peripheral circuit.
● DIGIGAL LINK input checks
Check the picture condition of HDMI input.
Check of IC3010 peripheral circuit.
A
Check the following components and its associated
circuits.
IC2001～IC3010, IC2001, IC3010
circuits.
IC2001～IC3010, IC2001, IC3010
OK
NG
OK
OK
NG
OK
NG
NG
NG
OK
NG
OK
NG
OK
NG
OK
INF - 34
A
A
A
A
A
A
A
A
A
A
Check of IC3059 and IC3527 peripheral circuit.
Voltage on IC3072 7pin is 0.4 V or less.
Check of IC3072 peripheral circuit.
A
Check the clock frequency on R3444.
3D-SDI signal is inputted : Approx 148.5 MHz
HD-SDI signal is inputted : Approx 74.25 MHz
3D-SDI signal is inputted : Approx 148.5 MHz
HD-SDI signal is inputted : Approx 74.25 MHz
A
Check of IC3058 peripheral circuit.
● SDI1 input checks (DZ870 only)
A
Check the voltage on the power lines.
IC3059 1pin : Approx 3.3V
IC3527 1pin : Approx 1.2V
IC3059 1pin : Approx 3.3V
IC3527 1pin : Approx 1.2V
A
The voltage of R3671 is 1.2V.
Check of IC3511 peripheral circuit.
The voltage of C3734 is 1.5V.
Check of IC3510 peripheral circuit.
The voltage of R3759 is 0.75V.
Check of IC3520 peripheral circuit.
Check the waveform at R3480(G9), R3444（CLK）,
R3484(HS、VS).
R3484(HS、VS).
Check of IC3058 peripheral circuit.
Follow the section "A-P.C.Board operation checks".
● A-P.C.Board operation checks
A
Check the clock waveform.
R3577 : 24.5MH
R3577 : 24.5MH
A
Check of IC3501 and X3502 peripheral circuit.
A
Check the waveform around IC3501 (no input).
A2 connector 21-22pin(CLK) : (DZ870) 800MHz
A2 connector 21-22pin(CLK) : (DZ870) 800MHz
A
Check of IC3501 peripheral circuit.
Follow the section "DG/FM-P.C.Board operation checks".
NG
NG
OK
OK
NG
NG
OK
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
INF - 35
* CPU : Central Processing Unit
A
A
A
A
［Note］ ・DG-P.C.Board and FM-P.C.Board are easily damaged by static electricity, please be careful as using an antistatic wrist strap.
２
Check the clock waveform.
R3575 : 35.455MHz
R3575 : 35.455MHz
Check of X3502 peripheral circuit.
A
Check the voltage of A1 connector.
1pin:3.3V, 3pin: 5V.
1pin:3.3V, 3pin: 5V.
Check and Replace cable between connectors P6 and A1.
Replace the P-P.C.Board.
Replace the P-P.C.Board.
The voltage of R3672 is 1.2V.
Check of IC3512 peripheral circuit.
● Main CPU operation checks
FM
Power-supply line check <2>
FM3 : TP4001=3.3V (or DG5 5,6,7pin =3.3V)
: TP4002=Approx 12V (or DG5 2pin =12V)
<TP4002 is DW/DX model only>
FM3 : TP4001=3.3V (or DG5 5,6,7pin =3.3V)
: TP4002=Approx 12V (or DG5 2pin =12V)
<TP4002 is DW/DX model only>
FM
Check and repair the loads on 3.3V(12V)
power-supply line.
power-supply line.
DG
Power-supply line check <3>
L5309 =3.3V, C5343(+)=1.2V, IC5312 5pin =3.3V
L5309 =3.3V, C5343(+)=1.2V, IC5312 5pin =3.3V
DG
Check of IC5301/IC5306/IC5312(Regulator).
Check of IC5313(FPGA2) peripheral circuit.
Check of IC5313(FPGA2) peripheral circuit.
A
Check in order of the following.
IC3508(FLASH ROM) and peripheral circuits.
IC3513(SRAM) and peripheral circuits.
IC3501(MAIN CPU)
IC3508(FLASH ROM) and peripheral circuits.
IC3513(SRAM) and peripheral circuits.
IC3501(MAIN CPU)
● DG/FM-P.C.Board operation checks
Check the each cables are connected properly.
Connect the cables properly.
DG
Power-supply line check <1>
DG1 : TP6801=3.3V, TP6802=5V
DG12 : C6866(+)=12V, C6894(+)=3.3V,
C6864(+)=18V
DG1 : TP6801=3.3V, TP6802=5V
DG12 : C6866(+)=12V, C6894(+)=3.3V,
C6864(+)=18V
DG
P
Check and repair the loads on each power-supply line.
Replace the PC-P.C.Board.
Replace the PC-P.C.Board.
DG
Power-supply line check <4>
L5609=3.3V, L5608=1.8V, C5607(+)=1.2V
<DW/DX model>
C5135=3.3V, C5140=1.8V, C5083(+)=1.1V
L5609=3.3V, L5608=1.8V, C5607(+)=1.2V
<DW/DX model>
C5135=3.3V, C5140=1.8V, C5083(+)=1.1V
DG
Check of IC5302/IC5303/IC5602(Regulator).
Check of IC5601(IWARP1) peripheral circuit.
<DW/DX model> Check of IC5004 (PMD1000)
and IC5001(DDP4421) peripheral circuit.
Check of IC5601(IWARP1) peripheral circuit.
<DW/DX model> Check of IC5004 (PMD1000)
and IC5001(DDP4421) peripheral circuit.
DG
Power-supply line check <5>
C5135=3.3V, C5140=1.8V, C5083(+)=1.1V
C5135=3.3V, C5140=1.8V, C5083(+)=1.1V
DG
Check of IC5004 (PMD1000) and IC5001(DDP4421)
peripheral circuit.
peripheral circuit.
NG
OK
NG
NG
OK
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
<DZ model>OK
NG
OK
<DW/DX model>OK
INF - 36
２
DG
DG
DG
DG
３
へ
DG LAMPLITZ line check. IC5007 3pin : Approx 0V
DG
Check of IC5006
(Flash Memory)
and IC5007
peripheral circuit.
(Flash Memory)
and IC5007
peripheral circuit.
A
Check connection
of the A-P.C.Board.
Check of IC3501
/IC3515 peripheral
circuit.
of the A-P.C.Board.
Check of IC3501
/IC3515 peripheral
circuit.
Is the color wheel rotating ?
Does a lamp turn on ?
DG
Replace the thin coaxial cable.
(TXJFM1VLJ1, TXJFM2VLJ1)
Check the each resistor between
DG3/DG4 connector - IC5001.
(TXJFM1VLJ1, TXJFM2VLJ1)
Check the each resistor between
DG3/DG4 connector - IC5001.
A
Check of IC3501
(Main CPU)
peripheral circuit.
(Main CPU)
peripheral circuit.
BQ
Replace the
BQ-P.C.Board.
BQ-P.C.Board.
AA_PWRGOOD line check.
IC5007 7pin : Approx 3.3V
IC5007 7pin : Approx 3.3V
IC5007 1pin (PWRGOOD) : Approx 3.3V
DG
Synchronized signal output check of IC5313(FPGA2).
R5463 (H sync), R5470 (V sync), R5412 (Clock)
R5463 (H sync), R5470 (V sync), R5412 (Clock)
DG Check of IC5313(FPGA2) peripheral circuit.
DG
Synchronized signal input check
of IC5601(IWARP1).
R5351 (H sync), R5454 (V sync),
R5432 (Clock)
of IC5601(IWARP1).
R5351 (H sync), R5454 (V sync),
R5432 (Clock)
DG
Synchronized signal output check of IC5601(IWARP1).
R5666 (H sync), R5666 (V sync), R5685 (Clock)
R5666 (H sync), R5666 (V sync), R5685 (Clock)
AA_POSENSE line check.
IC5004 34 pin : Approx 3.3V
IC5004 34 pin : Approx 3.3V
Check of IC5004(PMD1000) peripheral circuit.
DG
Clock check <1>
IC5310 acd IC5311 4 pin : 66MHz
<DW/DX model>
IC5310 4 pin : 66MHz
IC5310 acd IC5311 4 pin : 66MHz
<DW/DX model>
IC5310 4 pin : 66MHz
DG
Check of X5301, IC5301, IC5311 peripheral circuit.
<DW/DX model>
Check of X5301, IC5301 peripheral circuit.
<DW/DX model>
Check of X5301, IC5301 peripheral circuit.
DG
Clock check <1>
R5014 Clock output : Approx 20MHz
R5014 Clock output : Approx 20MHz
DG Check of X5001 peripheral circuit.
Is the color wheel rotating ?
DG
Color wheel motor power(three-phase AC) check.
L5013, L5014, L5015 (IC5004 around)
L5013, L5014, L5015 (IC5004 around)
DG
Check of IC5313(FPGA2) peripheral
circuit.
circuit.
DG
Check of
IC5313(FPGA2)
peripheral circuit.
IC5313(FPGA2)
peripheral circuit.
DG
Check of
IC5601(IWARP1)
peripheral circuit.
IC5601(IWARP1)
peripheral circuit.
Check the cable.
(RL1-DG11,RL13-
H1/MR1)
Replace the color wheel.
(RL1-DG11,RL13-
H1/MR1)
Replace the color wheel.
DG
Check of
IC5004(PMD1000)
peripheral circuit.
IC5004(PMD1000)
peripheral circuit.
NG
OK
NG
NG
NG
OK
NG
OK
OK
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
OK
NG
NG
<DW/DX,model>
NG
<DZ model>
OK
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