Panasonic PT-RZ470U / PT-RZ470E / PT-RZ470EA / PT-RW430U / PT-RW430E / PT-RW430EA (serv.man8) Service Manual ▷ View online
INF - 26
C
A
A
A
A
A
D
A Check the output waveform of IC1010.
R1146(HS), R1147(VS), R1149(CLK)
A Check the IC1010 and its associated circuits.
A Check the output waveform of IC1300(FPGA).
R1373(HS), R1372(VS), R1360(CLK)
A Check the IC1300 and its associated circuits.
A Check the output waveform of IC1300(FPGA).
R1373(HS), R1372(VS), R1360(CLK)
A Check the IC1300 and its associated circuits.
Check the IC1400 and its associated circuits.
●
HDMI input checks
Check the IC1400 and its associated circuits.
●
DVI-I (Digital) input checks
Either projection image of COMPUTER or VIDEO,
or DVI-I(Analog) can be checked.
Projection image of HDMI can be checked.
Check the IC1012 and its associated circuits.
A
Check the output waveform of IC1012.
R1139(HD,VD,ACT), R1512(CLK),
R1130(CLK)
A
Check the following components and its associated
circuits.
JK1003～IC1012, IC1012
Either projection image of COMPUTER or VIDEO,
or DVI-I(Analog) can be checked.
Projection image of DVI-I(digital) can be checked.
Check the IC1012 and its associated circuits.
Projection image of DIGITAL LINK can be checked.
Check the IC1011 and its associated circuits.
OK
NG
OK
OK
OK
NG
NG
NG
OK
OK
NG
OK
NG
NG
OK
NG
OK
NG
③
③
INF - 27
D
A
A
A
A
E
Either projection image of COMPUTER or VIDEO, or DVI-I
can be checked.
A
Check the output waveform of IC1012.
R1139(HD,VD,ACT), R1512(CLK),
R1130(CLK)
A
Check the following components and its associated
circuits.
JK1004～IC1012, IC1012
Projection image of HDMI can be checked.
Check the IC1001 and its associated circuits.
DIGITAL LINK mode of NETWORK menu is "AUTO" or
"DIGITAL LINK".
Select the "AUTO" or "DIGITAL LINK", in DIGITAL LINK
mode.
Check the "SIGNAL QUALITY" in DIGITAL LINK STATUS
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
A Check the output waveform of IC1300(FPGA).
R1373(HS), R1372(VS), R1360(CLK)
A Check the IC1300 and its associated circuits.
Check the IC1400 and its associated circuits.
●
DIGITAL LINK Input checks
Check the following components and its associated
circuits.
IC1403, X1401
Check the output of IC1403. Q1408 Base ： High
Check the IC1403 and its associated circuits.
A
Check the following components and its associated
circuits.
IC2001～IC1011, IC2001, IC1011
●
A-PCB operation checks
A Check the clock frequency of IC1403.
X1401：20MHz
A
NG
OK
NG
OK
NG
NG
OK
OK
OK
NG
OK
NG
③
NG
OK
NG
OK
INF - 28
E
A
A
A
A
A
A
FM
A
A
Check the output of IC1409.
L1414 : 12V, IC1406 ⑪ : 3.3V, C1561 : 1.8V/0V,
L1406 : 1.8V, R1506 : 1.1V, C1582 : 5V/0V,
R1530 : 3.3V, R1672 ：3.3V
A Check the IC1409 and its associated circuits.
Replace A-PCB.
Check connector A1-FM1.
Replace DMD block.
●
D-PCB operation checks
D
Check the resistance value of DR1 connector 1-2 pin.
(more than 50kΩ)
Check the resistance value of DR2 connector 1-2 pin.
(more than 50kΩ)
D Replace D-PCB.
Check cable connection of the A1 connector.
Connect it properly.
Check the clock frequency of X1402(20MHｚ).
Check the X1402 and its associated circuits.
Check the IC1405, IC1406 and IC1407.
Replace IC1405, IC1406 or IC1407.
Check the A-PCB and B-PCB.
■
Network does not work.
DIGITAL LINK mode of NETWORK menu is "ETHERNET".
Select the "ETHERNET", in DIGITAL LINK mode.
Projection image of DIGITAL LINK can be checked.
Follow the section "DIGITAL LINK input checks".
D
Check the resistance value.
R9002, R9004, R9041, R9043, R9101, R9103,
R9141, R9143 (10～22KΩ)
D Replace D-PCB.
D
Check the resistance value.
R9201, R9203, R9251, R9253, R9301, R9303
(10～22KΩ)
D Replace D-PCB.
Check the IC2301 and its associated circuits.
NG
OK
NG
OK
NG
OK
NG
OK
NG
NG
OK
NG
OK
NG
YES
NO
NO
YES
YES
NO
INF - 29
A
A
A
R
R
R
G
S
S
S
S
Waveform of RM3201 pin 1 can be detected.
Check circuit around RM3201.
Cable check of R1-V2 connector.
Replace cable.
Cable check of A5-V1 connector.
Replace cable.
■ Remote controller does not work. (only rear side)
Waveform of RM1601 pin 1 can be detected.
Check the RM1601 and its associated circuits.
Replace A-PCB.
■ Remote controller does not work. (only front side)
Replace G-PCB.
■ Control panel does not work.
Cable check of A9-S1 connector.
Replace cable.
Replace R-PCB.
■ SERIAL IN does not work.
Confirm the connection of RS-232C cable.(SERIAL IN)
Connect it properly or replace RS-232C straight cable.
G When it was sent by the command, waveform
of IC4003 pin 13,15,17 can be detected.
G Check the IC4003 and its associated circuits.
S When a main power supply is turned ON,
5 pins of S1 connector are 3.3V.
A A-PCB +3.3V line check.
Check voltage of S1 connector 2-4 pin.
Approx. 3V
S-PCB +3.3V line check.
Replace S-PCB.
NG
OK
OK
NG
NG
OK
OK
NG
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
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