PT-TX301RU, PT-TX301RE, PT-TX301REA, PT-TW331RU, PT-TW331RE, PT-TW331REA (serv.man3) - Panasonic Projector Service Manual (repair manual). Page 17

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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.
Item
Male Connector
on Main Board
The key feature
Figure
A
System Fan
Compose of Red/Blue/Black wire
(3 pin)
B
Blower 
Compose of Red/White/Black
wire (3 pin)
C
Photo Sensor
Compose of Red/ Black/White
wire , Red Connector and Black
wire tube (3 pin)
D
Speaker
Compose of Black/Red wire and
Black wire tube (2 pin)
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