Panasonic PT-RZ475U / PT-RZ475E / PT-RZ475EA Service Manual ▷ View online
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
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.
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)
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)
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 - 30
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.
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.
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
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
INF - 31
G
G Check the IC4001 and its associated circuits.
Replace G-PCB.
A
【
Digital 】
Check the cable connected to HDMI and DIGITAL
LINK.
LINK.
Connect it properly or replace cable.
A
【
Digital 】
Speech waveform of A28 connector 16 pin (R)
and 17 pin (L), can be detected.
and 17 pin (L), can be detected.
A Check the IC1013 and its associated circuits.
■ Audio function does not work
G
【
Analog 】
Check the cable connected to AUDIO.
Connect it properly or replace cable.
G
Adjustment of volume will change in waveform.
IC4002 13 pin (R), 2 pin (L)
IC4002 13 pin (R), 2 pin (L)
G Check the IC4002 and its associated circuits.
A
【
Digital 】
Cable check of A28-G1 connector.
Replace cable.
G
【
Analog / Digital 】
Waveform of IC4001 13 pin (R) and 3 pin (L) can
be detected.
If an input signal is changed, a waveform will change.
be detected.
If an input signal is changed, a waveform will change.
NG
OK
NG
OK
OK
NG
OK
NG
NG
OK
OK
NG
INF - 32
1. Parts Location ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DIS-2
1. 1. Electrical Parts Location (P.C.Board)
1. 2. Electrical Parts Location (Fan)
1. 3. Mechanism element parts location
1. 4. Optical parts location
2. Disassembly Instructions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ DIS-4
●
Procedure of disassembly is the same as the base model PT-RZ470.
Please refer to Section 2 in the service manual for PT-RZ470/RW430 (No.VED1302461CE).
●
Please refer to the following for the disassembly procedure of the lens unit.
2. 1. Removal of Lens Unit
2. 2. Wiring diagram
CONTENTS
SECTION 2
Disassembly Procedures
Model No.
PT-RZ475 Series
Illustrations may vary from the actual product.
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