BenQ 2720S Service Guide - Page 33
Connectors of Scanner 2740S
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5.7 Connectors of Scanner 2740S This section describes the connectors of film scanner, including all printed circuit boards in Scanner 2740S. Some connector definitions are duplicated for convenient referring. 5.7.1 SPS Board This PCB board has 2 connectors (J1, J2) and a power switch. J2 is connected to the adapter. J1 provides power to the main board. Pin # 1 2 3 4 5 6 7 8 9 10 11 Signal name SG SG SG +15V +15V +5V +5V D12V SG M12V M12V Description Signal ground Signal ground Signal ground Analog power +15V Analog power +15V Digital power +5V Digital power +5V lamp power +12V Signal ground Motor power +12V motor power +12V Electrical Systems API Confidential 5-11 No Copy/Reproduction allowed
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5.7 Connectors of Scanner 2740S
This section describes the connectors of film scanner, including all printed
circuit boards in Scanner 2740S. Some connector definitions are
duplicated for convenient referring.
5.7.1 SPS Board
This PCB board has 2 connectors (J1, J2) and a power switch. J2 is
connected to the adapter.
J1 provides power to the main board.
Pin #
Signal name
Description
1
SG
Signal ground
2
SG
Signal ground
3
SG
Signal ground
4
+15V
Analog power +15V
5
+15V
Analog power +15V
6
+5V
Digital power +5V
7
+5V
Digital power +5V
8
D12V
lamp power +12V
9
SG
Signal ground
10
M12V
Motor power +12V
11
M12V
motor power +12V
Electrical Systems
API Confidential
5-11
No Copy/Reproduction allowed