SIGNAL FLOW
OF5750/5950 Series January 2001
A2 - 3
2.
G3 TX (MH/MR/MMR)
X'tal
19.6608MHz
Main-CPU
SH7034
(112PQFP)
ROM:
64K x8bit
RAM:
4K x8bit
LAN Board
Board-DM1
Board-G4A
20 x 4 LCD
LCD
DRV
LCD
CNT
+5VS
+5VS
(16P)
Board
-P77
41 keys
(14P)
(14P)
CN1
CN2
OPE unit
X'tal
6MHz
Sub Reset
M51957AF
CPU
38002M2
ROM 8K x 8bit
RAM 384 x 8bit
JP1
JP2
(7P)
(7P)
27 keys
START key
LED x 8
CN1(16P)
+5V
/+5VS
Board-P76
PC1
PC2
Shift Reg/A.SW
2592 dot sensor
LED
CN(10P)
+5VA
2.5MHz
A4 Contact Image Sensor
300dpi (1.25m/I)
Speaker
CN10
(2P)
Flash MEM
512K x 8bit
SRAM
128K x 8bit
X'tal
24.576MHz
Analog Front End
TR88017S(44PQFP)
ASW
Modem Data Pump
MN195004MFN1
(128PQFP)
ROM: 8KW x 32bit
RAM: 1KW x 16bit x 2
Dual P.RAM: 2kbyte
+5V/+5VA/-8V
CN201(50P)
Board-C34(H34)
MUTE
DP
CML
PBXE
SR
OH
RI
OH2
T1
P.P
CN3(30P)
LINE
TEL1
TEL2
(6P)
(6P)
(6P)
+5V/+5VS
/-8V/-5VA
NCU Board-UNC/WN5/DN5/FN5
LINE
EX TEL
Hand set
(OPTION)
M-DRV
X'tal
4MHz
SEN1/2
(4P)
MOTOR
SIZE(4P)
M
SIZE
3-0
R-motor 2
CPU: LC6543
ROM: 2K x 8bit
RAM: 128 x 4bit
PU(8P)
+5V
/+38V
Board-TQSB
2-nd tray unit (OPTION)
M
CN(11P)
S-motor
DLK1-4
DLK5-8
CN1(7P)
LV157
Board-DLK
+5V
4992 dot
LED array
4992 bit
Shift Reg.
A4 LED head unit
600dpi 10ppm
M
M
D-motor
R-motor
Thermistor
Heater
(230V/120V)
Cover
open SW
Sensor
x 6
CN2(15P)
CN1(2P)
+5V
Reset
PS592D-2
X'tal
10MHz
LC26023A-LG3
High voltage
DRV/DET
Board-H10
High Voltage power unit
CN102(15P)
CN2(2P)
CN101(32P)
CN103
(2P)
FUSE
FUSE
+8V
-8V
SW
+24V
SW
+38V
T5
(3P)
FUSEFUSE
FUSE
POWSW
SW
+5V
+3.3V
SW
+5V
Low Voltage power unit (230V/120V)
230V
/120V
FAN
CN1(72P)
1M x 16bit x 1
1M x 16bit x 2
4M x 16bit x 1
+3,3VBU
Memory EXP (OPTION)
Board-RA1- /-2/-3
Battery
(+6VB)
CN15(16P)
+5V
/+5VS
CN14(6P)
CN13(10P)
PC1
SCAN
+5V
+5V
+5VSIN
RI2/HOOK2
PC1
CN16(80P)
+5VA
VRT
SCLK(2.5MHz)
AIN
DRV
Flash MEM
512K x 16bit
256K x 16bit
Scanner control
LC821033
(64PQFP)
A.SW
PD7 - 0
LVC161284
CN17(36P)
FUSE
+5V
+5V
+5VSIN
+8V
PC I/F
+3.3V
Voltage Reg.
+5VS
DRAM
4M x 16bit
+3.3V
Bus Transcever
LVC16245
+3.3VBU
Voltage Reg.
+3.3VBU
CN18
(2P)
CN19(72P)
FAN DRV
CN20
(3P)
CN11(50P)
+5V/+5VA/-8V
R
S
OH2/RI
RI det.
BZ
CN12(30P)
CN9(8P)
CLK/CLK1(20MHz)
TXD/RXDOP
MDINT1/2
Main Reset
M51953AFP
X'tal
20MHz
Battery
+3VB
+5V/+5VS
/+8V/-5VA
+5VA
Reg.
-5VA
Filter
+8V
-8V
+5VA
-5VA
+5V
RTC
4543SA
RTCCK
RTCDATA
To each
circuit
Main-RCPU
SH7034(112PQFP)
ROM: 64K x 8bit
RAM: 4K x 8bit
AD15 - 0
NI/DREQ
CK488
IOGA5(240PQFP) ,Peripheral control
Scanner control(8 -16 conversion etc.), 2-nd tray I/F
Print control - Ver.2
,1284 control
OST-EX Buffer 680Kbytes , CS creation
200 - 600/300 - 600 conversion , I/O port
Extension - Ver 2(RLR, TIFF, ACC) , DMAC - 4ch
Smoothing, Toner save, Serial I/F, Buzzer sound creation
LCDT7 - 0
LININT
MUPISINT
CN1(32P)
+24V
+38V
+8V
-8V
+5VSIN
+5V
SDCLK
SDIN/OUT
JBIGINT
HCLK
HDATA3 - 0
NOPCLK
NOPSD/SDR
+38V
FUSE
JBIG
MN86064
(100PQFP)
MCNT Board-R76
Bipolar DRV
A2918SW
Bipolar DRV
MTD2005F
CN2(4P)
CN3(4P)
CN4(14P)
CN5(12P)
CN6(10P)
CN7(7P)
CN8(6P)
+3.3VP
Unipolar DRV
SLA7029M
+5V
+38V
FUSE
+5V
/+38V
XXX
: Active circuit in
Power Save Mode
(INT'L only)
: INT'L only
: OKIFAX 5950 only
: Option
X'tal
20MHz
CN2 (64P)
CN (64P)
CN2 (64P)
CN1 (80P)
Dual Port
RAM
(32k Byte)
Flash MEM.
4Mbit
RJ45
10 BASE-T/100 BASE-TX
CN3
RJ45
ISDN
T1
ISDN
DRV
YTD421
X'tal
12.288MHz
ISDN Controller
YTD423
PCM Codec
MSM7507-01
DRAM
1M x 16bit
Dual Port
RAM
(2k Byte)
EPLD
LS244
CN16(80P)
LAN : LAN board is connected to R76 board via G4A or DM1 board.
LAN board is communicated to 10BASE-T or 100BASE-TX.
M76 : M76-5 (R76-5 +C34-)
M76-6 (R76-6 +C34-)
M76-15 (R76-5): Spare part
M76-16 (R76-6): Spare part
H34-: Spare part
LS245
Flash MEM
256k x 16bit
DRAM
4Mbit
CPU
V53A
FPGA
EPF6016QC
SRAM
63k Byte
MAC
Controller
80C300
10/100 Base-TX
Physical Layer
LQ80221
Trans-
former
LED
Buffer
Summary of Contents for OKIFAX 5950
Page 9: ...CHAPTER 1 GENERAL INFORMATION ...
Page 101: ...OF5750 5950 Series January 2001 1 92 1 6 21 NIC Information ...
Page 107: ...CHAPTER 2 INSTALLATION PROCEDURE ...
Page 264: ...CHAPTER 3 BRIEF TECHNICAL DESCRIPTION ...
Page 272: ...CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY ...
Page 277: ...OF5750 5950 Series January 2001 4 5 Appearance of the OKIFAX 5750 5950 ...
Page 302: ...CHAPTER 5 ADJUSTMENTS ...
Page 306: ...CHAPTER 6 CLEANING AND MAINTENANCE ...
Page 341: ...CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5750 5950 ...
Page 400: ...Appendix A PC Board Descriptions and Operation ...
Page 491: ...Appendix B DescriptionsofPrintOperation ...
Page 513: ...Appendix C Not used at this time ...
Page 516: ...OF5750 5950 Series January 2001 D 1 Section 1 CABINET ASSEMBLY 27 28 29 ...
Page 518: ...OF5750 5950 Series January 2001 D 3 Section 2 CONTROL PANEL ASSEMBLY 11 ...
Page 520: ...OF5750 5950 Series January 2001 D 5 Section 3 PRINTER ASSEMBLY 53 54 31 10 55 52 34 56 ...
Page 523: ...OF5750 5950 Series January 2001 D 8 Section 4 BASE ASSEMBLY ...
Page 525: ...OF5750 5950 Series January 2001 D 10 Section 5 FRAME ASSEMBLY SCANNER L 31 30 33 32 ...
Page 527: ...OF5750 5950 Series January 2001 D 12 Section 6 FRAME ASSEMBLY SCANNER U ...
Page 529: ...OF5750 5950 Series January 2001 D 14 Section 7 CABLES OPTION BOARDS ...
Page 530: ...OF5750 5950 Series January 2001 D 15 28 29 Section 7 CABLES OPTION BOARDS ...
Page 532: ...Appendix E Not used at this time ...