Casio QT-2000 Service Manual page 105

1-4.CONNECTOR WIRING (MAIN CONTROL BOARD — PRINTER)
Main P.C.B
(Not used) .................................... 25
4 R detector ass'y ........................... 24
3 R detector ass'y ........................... 23
4 Pin
(Not used) .................................... 22
14 Print solenoid Common ................ 21
13 Print solenoid C ............................ 20
12 Print solenoid B ............................ 19
11 Print solenoid A ............................ 18
10 Print solenoid Frame GND ........... 17
2 Timing detector ............................ 16
1 Timing detector ............................ 15
14 Pin
9 Motor (–) ...................................... 14
8 Motor (+) ...................................... 13
7 Print solenoid G ........................... 12
6 Print solenoid F ............................ 11
5 Print solenoid E ............................ 10
4 Print solenoid D ............................ 9
3 Print solenoid Common ................ 8
2 Slip release solenoid .................... 7
1 Slip release solenoid .................... 6
5 TOF sensor (E) ............................ 5
4 TOF sensor (K) ............................ 4
5 Pin
3 BOF sensor (E) ............................ 3
2 BOF sensor (K) ............................ 2
1 TOF/BOF sensor .......................... 1
5 Stepping motor Phase 1 .............. 5
4 Stepping motor Phase 2 .............. 4
5 Pin
3 Stepping motor Common ............. 3
2 Stepping motor Phase 3 .............. 2
1 Stepping motor Phase 4 .............. 1
NOTES: 1. The Pin Nos. are from 1 to 25 starting at the right side of the pin connector.
2. Connector ratings.
a. Printer side 25 pin: BS25P-SHF-1AA (Nippon Compression Terminals)
b. Circuit side 25 pin: H25P-SHF-AA (Nippon Compression Terminals)
(Connection)
5 pin: BS5P-SHF-1AA (Nippon Compression Terminals)
5 pin: H5P-SHF-AA (Nippon Compression Terminals)
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Printer
25 Pin
5 Pin