Oki B4100 - Manual (Page 380)

40055101TH Rev.4 380 /
LED
LCD
DRV.
LCDC
Key switch matrix OPE. CPU
OPE
Handset
TEL(option)
NCU
NCU
L1, L2 T1, T2
: A circuit which conducted by sub-power supply unit at the time of a standby state.
Ri
SUB +5V
PC1
AMP
Speaker
X' tal
MODEM 14.4 kbps
IOGA3 1/2: Peripheral control 1284 control CS generation I/O port DMA 2ch
CTR (option)
SUB +5V
X' tal 20 MHz
Mask ROM 512 KB(x16)
FLASH 512 KB(x16)
CPU SH7034
RTC
X' tal
BAT
MEM (option)
DRAM (1 MB/2 MB)
IEXSEED300
AMP
DRV. DRV. DRV.
PC1
IOGA3 2/2: Printer control OST-EX Buffer 640 bytes Decoding (RLE, TIFF, ACC32) 200-300/300-200 Conv. High-voltage control Smoothing
A4 image sensor 8 dots/mm (OEL) 300 dpi (ODA)
PC1
PC2
M M
S-motor D-motor
LED head 300 dpi
Fan
Heater
Thernistor
High/Mid Voltage Control
Main Switching Poewr Supply
Sub-Power Supply
SW
Main Power Supply Unit
AC (120/240V)
Inlet sensor 1 Inlet sensor 2 Paper end sensor Write sensor Outlet sensor Toner end sensor Cover open switch
SUB +5V
0VP
0VL
+5V
+30V
SUB+5V
-8V
± 8V
ACON
Hook
SRAM 256 KB
A/D
DRAM 512 KB (x8) x2
DRAM 512 KB(x16) x1
2nd Tray
option
± 5V
SW
X' tal
MODEM 28.8 kbps (V.34)
MODEM
*1 2 MB for ODA version 1 MB for INT'L version
*1
512 KB (x8) x3/ 512 KB (x8) x5
BAT
M
R-motor
SW
SIG
CN10
CN7 CN5 CN2
CN11
CN4 CN3
CN1 CN3
CN16 CN3
CN14
CN8
CN15
OKIFAX 5500/5600
CN6
S R
CN3
CN1
CN9
CN12/17
CN13
IC24
IC6
SDT2 to SDT7
IC28
RAM1
IC2
IC21
IC9
IC22
IC3
X2
32.768kHz
X1
IC2
IC10
IC5
MASK
FLS
IC8
IC29
X3
Address/data/ control bus etc.,
SUB-POW
1VP(120V)/2VP(230V)
HDDT0-P etc.,
O5W
M17/M17-2/M17-3/M17-4
Driver Receiver 1284-I/F
CN1
CN2
29.4912
MHz
Figure A2.2.3 OKIFAX 5000 Series G3 Receive Picture Signal