
Ver. Ex.1.1
Confidential
2003/7/8
Fig 23. Ribbon/ADF Motor
3.2 Controller Board
The circuit theory of controller board can be divided into four parts.
a) Power Circuit
b) CPU and serial EPROM
c) LCD driver
d) LCD and backlight LED
LCD control CHIP
Serial EEPROM
24C02
78E51
3.3V regulator
LED fixed
Current Control
Controller I/F
78D15
78D05
LCD’s back light control
LCD I/F
Summary of Contents for 630PS
Page 1: ...Ver Ex 1 1 Confidential 2003 7 8 630PS Service Guide ...
Page 15: ...Ver Ex 1 1 Confidential 2003 7 8 Fig 15 Ribbon LED Sensor Fig 16 Ribbon LED ...
Page 17: ...Ver Ex 1 1 Confidential 2003 7 8 Fig 18 TPH Specification Fig 19 TPH Back View ...
Page 35: ...Ver Ex 1 1 Confidential 2003 7 8 3 Screwdriver plus 4 IC Clamp ...
Page 36: ...Ver Ex 1 1 Confidential 2003 7 8 5 Meter 6 Wire Cutter ...
Page 37: ...Ver Ex 1 1 Confidential 2003 7 8 7 Binder 8 Glue ...
Page 38: ...Ver Ex 1 1 Confidential 2003 7 8 9 HiTi Cleaning Kit ...
Page 42: ...Ver Ex 1 1 Confidential 2003 7 8 6 3 2 Remove Power Board ...
Page 44: ...Ver Ex 1 1 Confidential 2003 7 8 6 4 2 Slide Main Board and take it out ...
Page 45: ...Ver Ex 1 1 Confidential 2003 7 8 6 4 3 Sockets ...
Page 47: ...Ver Ex 1 1 Confidential 2003 7 8 6 5 2 Disassemble CAM Motor ...
Page 48: ...Ver Ex 1 1 Confidential 2003 7 8 6 5 2 Disassemble Capstan Motor ...
Page 49: ...Ver Ex 1 1 Confidential 2003 7 8 6 6 Disassemble Fan ...
Page 50: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 52: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 53: ...Ver Ex 1 1 Confidential 2003 7 8 6 7 2 Disassemble Ribbon LED ...
Page 54: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 55: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 56: ...Ver Ex 1 1 Confidential 2003 7 8 6 7 3 Disassemble Ribbon Sensor ...
Page 57: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 58: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 59: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 60: ...Ver Ex 1 1 Confidential 2003 7 8 6 7 4 Disassemble Cam Sensor ...
Page 61: ...Ver Ex 1 1 Confidential 2003 7 8 6 7 5 Disassemble LE Sensor ...
Page 62: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 63: ...Ver Ex 1 1 Confidential 2003 7 8 6 7 6 Disassemble Jam Sensor Remove glue ...
Page 64: ...Ver Ex 1 1 Confidential 2003 7 8 6 8 Disassemble Rollers 6 8 1 Disassemble Pinch Roller ...
Page 65: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 66: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 67: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 68: ...Ver Ex 1 1 Confidential 2003 7 8 6 8 2 Disassemble Capstan Roller ...
Page 69: ...Ver Ex 1 1 Confidential 2003 7 8 ...
Page 70: ...Ver Ex 1 1 Confidential 2003 7 8 ...