Panasonic PT-RZ470U / PT-RZ470E / PT-RZ470EA / PT-RW430U / PT-RW430E / PT-RW430EA (serv.man8) Service Manual ▷ View online
INF - 30
G
G Check the IC4001 and its associated circuits.
Replace G-PCB.
A
【
Digital 】
Check the cable connected to HDMI and DIGITAL
LINK.
Connect it properly or replace cable.
A
【
Digital 】
Speech waveform of A28 connector 16 pin (R)
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)
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.
NG
OK
NG
OK
OK
NG
OK
NG
NG
OK
OK
NG
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
2. 1. Flowchart for Disassembly
2. 2. Removal of Top cover, Front cover and Side cover R
2. 3. Removal of A-P.C.Board Block
2. 4. Removal of Optical Block
2. 5. Removal of D-P.C.Board
2. 6. Removal of B-P.C.Board
2. 7. Removal of P-P.C.Board
2. 8. Removal of LD unit, LED-B Unit and LED-R Unit
2. 9. Removal of Phosphor wheel
< Reference > Wiring diagram
2.10. Procedure for Assembling of LD unit and Heart-pipe unit
CONTENTS
SECTION 2
Disassembly Procedures
Model No.
PT-RZ470 Series
PT-RW430 Series
1. Parts Location
1. 1. Electrical Parts Location (P.C.Board)
1. 2. Electrical Parts Location (Fan)
M2
M3
M1
Board name
Outline of functions
Temperature sensor (Internal air)
Temperature sensor (Intake air)
Air flow sensor
CW
Outline of functions
Image processing system / Central processing unit
Interface of control terminals
Color sensor
Formatter for DMD
Control switch panel
Indicator
Front IR receiver
Phosphor wheel rotation sensor
Board name
A
G
PD
FM
Power supply for driver units
Driver circuit for Laser Diodes/LEDs
Power supply for whle unit
AC power inlet with fuse
S
V
R
B
D
P
K
LD-G Fan
DMD Fan
Exhaust Fan
V
M1
M3
M2
K
R
P
FM
S
G
D
B
A
CW
PD
LED-R Fan
LED-B Fan
Phosphor wheel
Driver Fan
DIS-2
1. 3. Mechanism element parts location
1. 4. Optical parts location
Top cover
Bottom case
Front panel
R side panel
Terminal cover
B-PCB block
V-PCB block
P-PCB
A-PCB
Optical block
D-PCB
LD-G fan
LED-B fan
LED-R fan
DMD fan
Exhaust fan
Drive fan
DMD block
Lighting block
Lens unit
LED-R unit
LED-B unit
Phosphor wheel
LD unit
Heat pipe
Lighting case cover
Lighting top case
Color sensor
DIS-3
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