********************************************************************************* DESYGNATOR : HF-17612 OPIS : MAIN BOARD RICOH A2035103D ********************************************************************************* VCC1 +5V VCC2 +24V VCC3 +24V =========================================== CKT =========================================== IC101 74LS07 Hex open-collector high-voltage buffers 30V IC102 TD62384 DRIVER 500mA/35V IC103 ULN2003 7 darlington arrays IC104 TD62308 4ch darlington sink driver 1.5A IC105 74LS368 Hex inverting 3 state bus driver IC106 TD62308 4ch darlington sink driver 1.5A IC108 MB3771 RESET IC IC109 74HC04 Hex inverters IC110 UPD71055 Parallel Interface Unit = 8255 IC111 ULN2003 7 darlington arrays IC112 BR93LC56 EEPROM SPI MM-612 IC113 MTD1110 MOTOR DRIVER IC114 TD62381 DRIVER 500mA/15V IC115 TD62308 4ch darlington sink driver 1.5A IC116 74LS368 Hex inverting bus driver IC117 TMS27C010A-12JL ROM UV 1Mb (128Kx8) MM-089 IC118 RF5A93 uC RICOH A1845105 QFP100 IC119 TC7SC04 1 x NOT 'E6' IC120 NJM2904 Single-Supply Dual Operational Amplifier Q101 2SA1020 Q104 2SA1287 Q105 2SA1287 Q106 2SA1287 Q107 2SA1287 Q108 2SA1287 Q109 2SA1287 Q110 2SA1287 CN101 6 CN102 3 CN103 12 CN104 6 CN105 6 CN106 6 CN107 2 CN108 8 CN110 2 CN111 2 CN112 3 CN113 6 CN114 8 CN115 6 CN116 3 CN117 15 CN118 4 CN119 7 CN120 5 CN121 4 CN122 2 CN123 11 CN124 8 CN127 2 TP101 HET TP102 ADS TP105 PSE TP106 EXP =========================================== IC =========================================== =========================================== IC101 74LS07 6 x BUFFERS =========================================== 1 1A 2 1Y 3 2A IC118.98 CPU 4 2Y 5 3A 6 3Y 7 GND GND GND 8 4Y 9 4A IC118.69 CPU 10 5Y 11 5A 12 6Y 13 6A 14 VCC +5V VCC1 =========================================== IC102 TD62384 DRIVER 500mA/35V =========================================== 1 IN1 IC110.P10 2 IN2 IC110.P11 3 IN3 IC110.P12 4 IN4 IC110.P13 5 IN5 IC110.P14 6 IN6 IC110.P15 7 IN7 IC110.P16 8 IN8 9 GND GND GND 10 VCC +5V VCC1 11 OUT8 12 OUT7 CN108.1 13 OUT6 CN108.2 14 OUT5 CN108.3 15 OUT4 CN108.4 16 OUT3 CN108.5 17 OUT2 CN108.6 18 OUT1 CN108.7 =========================================== IC103 ULN2003 7 darlington arrays =========================================== 1 IN1 IC118.66 CPU 2 IN2 IC118.68 CPU 3 IN3 IC118.76 CPU 4 IN4 5 IN5 IC118.78 CPU 6 IN6 IC118.75 CPU 7 IN7 IC118.65 CPU 8 GND GND GND 9 COM VCC VCC 10 OUT7 11 OUT6 12 OUT5 13 OUT4 14 OUT3 15 OUT2 CN114.6 16 OUT1 CN113.3 =========================================== IC104 TD62308 driver 1.5A =========================================== 1 VCC1 +5V VCC1 2 O1 3 I1 IC118.91 4 GND 5 GND 6 I2 IC118.74 7 O2 8 VCC2 9 COM 10 O3 11 I3 IC118.85 12 GND 13 GND 14 I4 IC118.84 15 O4 16 COM =========================================== IC105 74LS368 Hex inverting bus driver =========================================== 1 1OE/ IC118.56 CPU 2 1A1 IC118.57, IC105.2A1 CPU, local 3 1Y1/ IC106.I2 DRIVER 4 1A2 IC105.2Y1/ local 5 1Y2/ IC106.I1 DRIVER 6 1A3 IC118.58, IC105.2A2 CPU, local 7 1Y3/ IC106.I4 DRIVER 8 GND GND GND 9 1Y4/ IC106.I3 DRIVER 10 1A4 IC105.2Y2 local 11 2Y1/ IC105.1A2 local 12 2A1 IC118.5 7, IC105.1A1 CPU, local 13 2Y2/ IC105.1A4 local 14 2A2 IC118.58, IC105.1A3 CPU, local 15 2OE/ GND GND 16 VCC +5V VCC =========================================== IC106 TD62308 driver =========================================== 1 VCC1 2 O1 3 I1 IC105.1Y2/ INV DRIVER 4 GND 5 GND 6 I2 IC105.1Y1/ INV DRIVER 7 O2 8 VCC2 9 COM 10 O3 11 I3 IC105.1Y4/ INV DRIVER 12 GND 13 GND 14 I4 IC105.1Y3/ INV DRIVER 15 O4 16 COM =========================================== IC108 MB3771 RESET IC =========================================== 1 CT 2 VSC 3 OUTC 4 GND GND GND 5 VCC 6 VSB_RESIN 7 VSA 8 RESET/ IC109.4A, R180 - IC118.RST/ INV, R180 - CPU.RST/ =========================================== IC109 74HC04 Hex inverters =========================================== 1 1A IC118.62 CPU 2 1Y/ 3 2A IC118.100 CPU 4 2Y/ 5 3A 6 3Y/ 7 GND GND GND 8 4Y/ IC110.RESET PIO 9 4A IC108.RESET/, R180 - IC118.RST/ RESET IC, R180 - CPU.RST/ 10 5Y/ 11 5A 12 6Y/ 13 6A 14 VCC +5V VCC1 =========================================== IC110 UPD71055 Parallel Interface QFP44 =========================================== 1 NC GND GND 2 CS/ IC118.93 CPU 3 GND GND GND 4 A1 IC118.12 CPU 5 A0 IC118.13 CPU 6 P27 DPS101.P - GND 7 P26 DPS101.F - GND 8 P25 9 P24 10 P20 11 P21 12 P22 13 P23 14 P10 IC102.IN1 DRIVER-CN108 15 P11 IC102.IN2 DRIVER-CN108 16 P12 IC102.IN3 DRIVER-CN108 17 IC NC internally connected 18 P13 IC102.IN4 DRIVER-CN108 19 P14 IC102.IN5 DRIVER-CN108 20 P15 IC102.IN6 DRIVER-CN108 21 P16 IC102.IN7 DRIVER-CN108 22 P17 23 VDD 24 D7 IC117.D7, IC118.D7 ROM, CPU 25 D6 IC117.D6, IC118.D6 ROM, CPU 26 D5 IC117.D5, IC118.D5 ROM, CPU 27 D4 IC117.D4, IC118.D4 ROM, CPU 28 D3 IC117.D3, IC118.D3 ROM, CPU 29 D2 IC117.D2, IC118.D2 ROM, CPU 30 D1 IC117.D1, IC118.D1 ROM, CPU 31 D0 IC117.D0, IC118.D0 ROM, CPU 32 RESET IC109.4Y/ INV 33 NC 34 NC 35 WR/ IC118.82 CPU 36 P07 37 P06 38 P05 39 P04 40 P03 41 P02 42 P01 43 P00 44 RD/ IC118.81 CPU =========================================== IC111 ULN2003 7 darlington arrays =========================================== 1 IN1 2 IN2 3 IN3 4 IN4 5 IN5 6 IN6 IC118.63 CPU 7 IN7 IC118.67 CPU 8 GND GND GND 9 COM 10 OUT7 11 OUT6 12 OUT5 13 OUT4 14 OUT3 15 OUT2 16 OUT1 =========================================== IC112 BR93LC56 EEPROM SPI =========================================== 1 CS/ IC118.50 CPU 2 SK IC118.49 CPU 3 DI IC118.48 CPU 4 DO IC118.47 CPU 5 GND GND GND 6 ORG +5V VCC1 7 NC 8 VCC +5V VCC1 =========================================== IC113 MTD1110 =========================================== 1 VCC 2 ALARM 3 C_RA 4 VREFA 5 VSA 6 INA/ 7 INA 8 PGA 9 NC 10 OUTA/ 11 NC 12 OUTA 13 RSA 14 COM 15 RSB 16 OUTB 17 NC 18 OUTB/ 19 NC 20 PGB 21 INB 22 INB/ 23 VSB 24 VREFB 25 C_RB 26 ENA 27 LG =========================================== IC114 TD62381 DRIVER 500mA/15V =========================================== 1 IN1 IC118.36 CPU 2 IN2 IC118.35 CPU 3 IN3 IC118.34 CPU 4 IN4 IC118.33 CPU 5 IN5 IC118.32 CPU 6 IN6 IC118.31 CPU 7 IN7 IC118.30 CPU 8 IN8 IC118.29 CPU 9 GND GND GND 10 VCC +5V VCC1 11 OUT8 CN124.1 12 OUT7 CN124.2 13 OUT6 CN124.3 14 OUT5 CN124.4 15 OUT4 CN124.5 16 OUT3 CN124.6 17 OUT2 CN124.7 18 OUT1 CN124.8 =========================================== IC115 TD62308 driver 1.5A =========================================== 1 +5V VCC1 VCC 2 O1 3 I1 IC116.1Y2/ 4 GND 5 GND 6 I2 IC116.1Y1/ 7 O2 8 VCC2 9 COM 10 O3 11 I3 IC116.1Y4/ 12 GND 13 GND 14 I4 IC116.1Y3/ 15 O4 16 COM =========================================== IC116 74LS368 Hex inverting bus driver =========================================== 1 1OE/ IC118.83 CPU 2 1A1 IC118.59, IC116.2A1 CPU, local 3 1Y1/ IC115.I2 DRIVER 4 1A2 IC116.2Y1/ local 5 1Y2/ IC115.I1 DRIVER 6 1A3 IC116.2A2 local 7 1Y3/ IC115.I4 DRIVER 8 GND GND GND 9 1Y4/ IC115.I3 DRIVER 10 1A4 IC116.2Y2/ local 11 2Y1/ IC116.1A2 local 12 2A1 IC118.59, IC116.1A1 CPU, local 13 2Y2/ IC116.1A4 local 14 2A2 IC116.1A3 local 15 2OE/ GND GND 16 VCC +5V VCC =========================================== IC117 TMS27C010 ROM =========================================== 1 NC? 2 A16 IC118.28, R363 - VCC CPU, pullup 3 A15 IC118.28 CPU 4 A12 IC118.25 CPU 5 A7 IC118.19 CPU 6 A6 IC118.18 CPU 7 A5 IC118.17 CPU 8 A4 IC118.16 CPU 9 A3 IC118.15 CPU 10 A2 IC118.14 CPU 11 A1 IC118.13 CPU 12 A0 IC118.12 CPU 13 D0 IC110.D0, IC118.D0 PIO, CPU 14 D1 IC110.D1, IC118.D1 PIO, CPU 15 D2 IC110.D2, IC118.D2 PIO, CPU 16 GND GND GND 17 D3 IC110.D3, IC118.D3 PIO, CPU 18 D4 IC110.D4, IC118.D4 PIO, CPU 19 D5 IC110.D5, IC118.D5 PIO, CPU 20 D6 IC110.D6, IC118.D6 PIO, CPU 21 D7 IC110.D7, IC118.D7 PIO, CPU 22 CS/ R357 - GND GND 23 A10 IC117.23 CPU 24 OE/ IC118.81 CPU 25 A11 IC118.24 CPU 26 A9 IC118.22 CPU 27 A8 IC118.21 CPU 28 A13 IC118.26 CPU 29 A14 IC118.27 CPU 30 A17 VCC VCC 31 WE/ NC? 32 VCC +5V VCC1 =========================================== IC119 TC7SC04 =========================================== 1 NC 2 INA 3 GND GND GND 4 OUTY 5 VCC +5V VCC1 =========================================== IC120 NJM2904 OP AMP =========================================== 1 A_OUT 2 A-IN 3 A+IN 4 GND GND GND 5 B+IN 6 B-IN 7 B_OUT 8 VCC +24V VCC2 =========================================== CONNECTORS =========================================== =========================================== CN101 =========================================== 1 2 3 +5V VCC VCC1 4 5 6 GND GND GND =========================================== CN102 =========================================== 1 GND GND GND 2 3 +5V VCC VCC1 =========================================== CN103 =========================================== 1 2 3 4 5 6 7 GND GND GND 8 9 +5V VCC VCC1 10 GND GND GND 11 12 +5V VCC VCC1 =========================================== CN104 =========================================== 1 2 3 4 5 6 =========================================== CN105 =========================================== 1 2 D114.K - D114.A - GND 3 D112.K - D112.A - GND 4 D111.K - D111.A - GND 5 D113.K - D113.A - GND 6 =========================================== CN106 =========================================== 1 PGND GND 2 +24V VCC3 3 AGND GND 4 +24V VCC2 5 CGND GND 6 +5V VCC1 =========================================== CN107 =========================================== 1 2 GND GND GND =========================================== CN108 =========================================== 1 IC102.OUT7 2 IC102.OUT6 3 IC102.OUT5 4 IC102.OUT4 5 IC102.OUT3 6 IC102.OUT2 7 IC102.OUT1 8 +24V VCC VCC2 =========================================== CN110 =========================================== 1 2 =========================================== CN111 =========================================== 1 2 =========================================== CN112 =========================================== 1 2 +5V VCC VCC1 3 R120 =========================================== CN113 =========================================== 1 2 +5V VCC1 3 IC103.OUT1 4 5 6 =========================================== CN114 =========================================== 1 GND GND GND 2 3 4 5 6 IC103.OUT2 7 8 =========================================== CN115 =========================================== 1 2 3 4 5 6 =========================================== CN116 =========================================== 1 +5V VCC VCC1 2 IC118.8 3 GND GND GND =========================================== CN117 =========================================== 1 +5V VCC VCC1 2 3 GND GND GND 4 5 +5V VCC VCC1 6 7 GND GND GND 8 9 10 GND GND GND 11 12 GND GND GND 13 14 15 =========================================== CN118 =========================================== 1 2 +5V VCC VCC1 3 +5V VCC VCC1 4 =========================================== CN119 =========================================== 1 GND GND GND 2 3 4 5 6 +5V VCC VCC1 7 =========================================== CN120 =========================================== 1 GND GND GND 2 +5V VCC VCC1 3 4 5 =========================================== CN121 =========================================== 1 GND GND GND 2 GND GND GND 3 4 =========================================== CN122 =========================================== 1 2 =========================================== CN123 =========================================== 1 2 3 4 5 R202 6 R201 7 R200 8 R199 9 R198 10 R197 11 R196 =========================================== CN124 =========================================== 1 IC114.OUT8 2 IC114.OUT7 3 IC114.OUT6 4 IC114.OUT5 5 IC114.OUT4 6 IC114.OUT3 7 IC114.OUT2 8 IC114.OUT1 =========================================== CN127 =========================================== 1 2