Ricoh FAX220, Руководство по обслуживанию

Страница: 56 / 75

6-1-1. FCE - FDU
CN1
No Name Function V
1 N.C. No connection
2 N.C. No connection
3 N.C. No connection
4 N.C. No connection
5 COM1 Digital ground 0
6 TXD Transmit data X
7 RXD Receive data X
8 AVXIN AVM send signal X
9 COM2 Analog ground 0
10 SENS SB4 or SB5 X
11 XVIDEO Analog video signal X
12 SH Shift clock to CCD C
13 RESET Reset out 5
14 CSRAM0 N.C. in FDU (EIO2
control in FCE)
5
15 CSRAM1 N.C. in FDU (EIO2
control in FCE)
5
16 VSEL0 Gain control of video
signal
0 - 5
17 VSEL1 Gain control of video
signal
0 - 5
18 PH 1st phase transfer clock
to CCD
C
19 DCCLP DC restore request of
video signal
C
20 PHRES Reset clock to CCD C
21 BUZ Buzzer drive signal 0
22 MSCK S/P clock of motor C
23 MSOD Data of motor C
24 AVMEOS from AVM IC 5
25 AVMST to AVM IC 0
26 MONON Monitor speaker control 0
27 TONSEL Tone/Rx control 0
28 MONVOL to AVM IC 0
29 CUT0 Cutter control 0
30 CUT1 Cutter control 0
31 LEDON LED array control 0
32 POWON +24VSW control 0
33 CK24V T/H check 5
34 SB10 SB10 (Cover open) 0
35 SB7 SB7 (Cutter position) 5
36 SB8 SB8 (Cutter position) 0
37 CBUS0 AVM IC data 0
38 CBUS1 AVM IC data 0
39 CBUS2 AVM IC data 0
40 CBUS3 AVM IC data 0
CN1
No Name Function V
41 DDSW N.C. in FDU 0
42 SWC1 N.C. in FDU 0
43 ADSEL SB4/SB5 exchange
control
C
44 BAT Battery Power 3
45 -5V Power -5
46 COM1 Digital ground (N.C. in
FDU)
0
47 +5V Power 5
48 COM1 Digital ground 0
6-1-2. FCE - Thermal Head
CN3
No Name Function V
1 COM1 Ground 0
2 +5V Power 5
3 THSEN Thermistor input X
4 STB3 Fourth strobe 5
5 STB2 Third strobe 5
6 STB1 Second strobe 5
7 STB0 First strobe 5
8 PRLAT Print data latch pulse 5
9 PRDT Print data 5
10 PRCLK Print data sampling clock 5
11 N.C. No connection 0
6-1-3. FCE-OPU
CN5
No Name Function V
1 +5V Power 5
2 COM1 Ground 0
3 -5V Power -5
4 SOD Serial output data C
5 SID1 Serial input data C
6 SCK1 Serial shift clock C
6-2