— 67 —
21. XC6201P192MR (IC17)
22. XC62EP1902MR (IC44)
23. XC6365A363MR (IC43)
Current
Limit
Voltage
Reference
VIN
VOUT
VSS
V
IN
V
SS
V
OUT
3
2
1
5
NC
OUT
NC
4
Current
Limit
Voltage
Reference
V
DD
EXT
CE
V
OUT
V
SS
V
IN
V
SS
CE/CE
3
2
1
5
NC
OUT
EXT
4
V
DD
EXT/
V
OUT
(FB)
3
2
1
5
GND
CE
4
Vref whth
Soft Start,
CE
Ramp Wave
Generatpr,
OSC
Phase
Compensation
PWM/PFM
Controler
PWM
Controler
Error Amp
Buffer,
Drive
V
DD
V
OUT
EXT/
GND
CE
Summary of Contents for QT-2100
Page 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price QT 2100 EX 590 FEB 2002 ...
Page 70: ... 68 12 PCB LAYOUT Front side IC7 IC8 IC12 IC15 IC14 IC11 IC4 IC1 ...
Page 84: ... 82 KEY BOARD2 E441379 QT 2100 EX 590 CASIO COMPUTER CO LTD Model Name Drawing No ...
Page 85: ... 83 E341303 Drawing No Name CONNECTOR BOARD1 Model QT 2100 EX 590 CASIO COMPUTER CO LTD ...
Page 86: ... 84 Drawing No CONNECTOR BOARD2 Name E441378 Model QT 2100 EX 590 CASIO COMPUTER CO LTD ...
Page 87: ... 85 E441380 KEYSHEET SW QT 2100 EX 590 CASIO COMPUTER CO LTD Drawing No Model Name ...
Page 88: ... 86 E441381 ARCNET BOARD Model QT 2100 EX590 CASIO COMPUTER CO LTD Drawing No Name ...
Page 91: ... 89 REMOTE DISP E441383 Drawing No Name CASIO COMPUTER CO LTD Model QT 2100 EX 590 ...
Page 94: ... 92 46 45 50 39 56 57 41 42 54 34 55 58 48 51 59 49 40 53 52 44 43 47 38 37 36 35 ...
Page 111: ... 109 17 DRAWER DL 3618 ...
Page 113: ... 111 18 DRAWER DL 3619 ...