Connector Pin Assignment - Epson STYLUS Scan 2500 Service Manual

EPSON Stylus Scan 2500

7.1.2 Connector Pin Assignment

Tables in this section provide connector pin assignment of the Stylus Scan
2500.
Signals of each connector on the B102 MAIN Board are listed below.
Table 7-2. Connector Pin Assignment-CN2
Pin No. Signal Name I/O
1 GND O
2 LD0 O
3 GND O
4 LD1 O
5 LED0 O
6 LD2 O
7 LED1 O
8 LD3 O
9 LED2 O
10 LA0 O
11 LED3 O
12 LCS O
13 LED4 O
14 LWE O
15 +5V O
16 LRD O
17 +5V O
18 LCLK O
19 SW1 I
20 SW2 I
21 SW3 I
22 SW4 I
23 SW6 I
24 SW7 I
25 SW8 I
26 SW9 I
27 SW10 I
Appendix
Function
Ground
Ground
LED drive signal (0)
LED drive signal (1)
LED drive signal (2)
LED drive signal (3)
LED drive signal (4)
Panel switch input (1)
Panel switch input (2)
Panel switch input (3)
Panel switch input (4)
Panel switch input (6)
Panel switch input (7)
Panel switch input (8)
Panel switch input (9)
Panel switch input (10)
Table 7-2. Connector Pin Assignment-CN2 (cont.)
Pin No. Signal Name
28 SW11
29 SW12
30 SW5
31 SW13
32 SW14
Table 7-3. Connector Pin Assignment-CN4
Pin No. Signal Name
1 HP
2 GND
3 HPV
Table 7-4. Connector Pin Assignment-CN5
Pin No. Signal Name
1 PE
2 GND
3 PEV
Table 7-5. Connector Pin Assignment-CN6
Pin No. Signal Name
1 ASF
2 GND
3 ASFV
Table 7-6. Connector Pin Assignment-CN7
Pin No. Signal Name
1 CR-A
2 CR-B
3 CR-/A
4 CR-/B
Connector
I/O Function
I Panel switch input (11)
I Panel switch input (12)
I Panel switch input (5)
I Panel switch input (13)
I Panel switch input (14)
I/O Function
I Sensor detect signal
O Ground
O Sensor power supply (+5V)
I/O Function
I Sensor detect signal
O Ground
O Sensor power supply (+5V)
I/O Function
I Sensor detect signal
O Ground
O Sensor power supply (+5V)
I/O Function
O Phase drive signal (A)
O Phase drive signal (B)
O Phase drive signal (/A)
O Phase drive signal (/B)
Revision A
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