Panasonic PT-TX301RU / PT-TX301RE / PT-TX301REA / PT-TW331RU / PT-TW331RE / PT-TW331REA (serv.man3) Service Manual ▷ View online
PT-TW331R / PT-TX301R series
2-6
2-6 Disassemble IR Sensor
and IR Sensor Board
1. Unscrew 2 screws(as red circle) and tear
off the Tape (as yellow square) to
off the Tape (as yellow square) to
disassemble the IR Sensor Module.
2.Tear off the Mylar(as blue square).
3. Separate the IR Holder and IR Sensor
Board.
Board.
4.Tear off the Tape (as red square) to
disassemble the IR Sensor Board.
disassemble the IR Sensor Board.
IR Sensor Module
IR Holder
IR Sensor Board
PT-TW331R / PT-TX301R series
2-7
5. Tear off the Sponge and Top Cover (as
red square).
red square).
6. Tear off the Sponge, Mylar and Top Cover
(as green square).
Top Cover
PT-TW331R / PT-TX301R series
2-8
2-7 Disassemble Main Board
Module and Shielding
1. - Tear off the Tape (as blue square).
- Unscrew 4 screws (as red circle).
- Unscrew 4 screws (as red circle).
2. Unscrew 8 hex screws (as green circle)
and 1 screw (as yellow circle).
and 1 screw (as yellow circle).
3. - Unplug 3 connectors (as red square).
- Unplug 1 connector (as yellow square)
of Blower.
of Blower.
4. Unplug 1 connector (as green square) of
Color Wheel.
Color Wheel.
Note: Correctly arrange SYS FAN Cable as
the above arrow.
A
B
C
D
PT-TW331R / PT-TX301R series
2-9
5. Unplug 2 connectors (as yellow square).
Please refer to the table as below for
details about each connector.
details about each connector.
Item
Male Connector
on Main Board
The key feature
Figure
A
System Fan
Compose of Red/Blue/Black wire
(3 pin)
(3 pin)
B
Blower
Compose of Red/White/Black
wire (3 pin)
wire (3 pin)
C
Photo Sensor
Compose of Red/ Black/White
wire , Red Connector and Black
wire tube (3 pin)
wire tube (3 pin)
D
Speaker
Compose of Black/Red wire and
Black wire tube (2 pin)
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