Pin No.
Pin Name
Buffer Power Supply
Description
Digital
I/O
30
TONE1
3.3V
TONE1 (Analog output)
TONE1
31
TONE2
3.3V
TONE2 (Analog output)
TONE2
32
VOLU1
(3.3V)
Electronic volume REF for speaker
EVOL REF
33
VOLU2
(3.3V)
Electronic volume OUT for speaker
EVOL OUT
34
VOLU3
(3.3V)
Electronic volume IN for speaker
EVOL IN
35
MILAT/IOP47
5V
Cross point IC/Input output port selection
H/SRXENB
O
36
XNMI/XINT
5V
NMI/INT Input port selection
+5V
37
FMEMDO/IOP26
5V
Flash memory/Input output port selection
ALE (FLASH)
O
38
FMEMDI/IOP25
5V
Flash memory/Input output port selection
FCE (FLASH)
O
39
FMEMCLK/IOP24
5V
Flash memory/Input output port selection
R/B (FLASH)
I
40
VSS
Ground
GND
41
5V
Power supply for buffer
+5V
42
20KOSC/IOP56
5V
20kHz clock output/input output port selection
CLE (FLASH)
O
43
XWAIT/IP60
5V
Input port/XWAIT output at external CPU mode
HOOK
I
44
XHSTRD/IOP40
5V
CS*RD/input output port selection
FRD (FLASH)
O
45
XHSTWR/IOP41
5V
CS*WR/input output port selection
FWR (FLASH)
O
46
XOPRBE/
5V
OPRBE/DRAM address multiplex control/output port
SP-MUTE
O
MUX/OP53
47
ADR15
5V
Address pin for debug
OPEN
48
ADR14
5V
Address pin for debug
OPEN
49
ADR13
5V
Address pin for debug
OPEN
50
3.3V
Power supply for internal logic
+3.3V
51
XOUT
3.3V
24MHz crystal
XOUT
O
52
XIN
3.3V
24MHz crystal
XIN
I
53
VSS
Ground
GND
54
5V
Power supply for buffer
+5V
55
XTEST
5V
24MHz clock output
XTEST
O
56
TEST1
5V
Test pin. fixed High
+5V
57
TEST2
5V
Test pin. fixed High
+5V
58
TEST3
5V
Test pin. fixed High
+5V
59
TEST4
5V
Test pin. fixed High
+5V
60
XMDMINT
5V
MODEM interrupt
XMDMINT
O
61
XMDMCS
5V
MODEM chip selection
XMDMCS
O
62
VSS
Ground
GND
63
3.3V
Power supply for internal logic
3.3V
64
XRAS/IOP42
5V
RAS/input output port selection
XMDMRST
O
65
XCAS1/IOP43
5V
CAS of DRAM1/input output port selection
MDMCSBR
O
66
XCAS2/IOP44
5V
CAS of DRAM2/input output port selection
BELL
I
67
XRESCS2/OP71
5V
Chip selection 2/output port selection
RLY
O
68
DB3
5V
Data bus
D3
I/O
69
DB2
5V
Data bus
D2
I/O
70
DB4
5V
Data bus
D4
I/O
71
DB1
5V
Data bus
D1
I/O
72
DB5
5V
Data bus
D5
I/O
73
DB0
5V
Data bus
D0
I/O
74
DB6
5V
Data bus
D6
I/O
75
VSS
Ground
GND
76
3.3V
Power supply for internal logic
+3.3V
77
DB7
5V
Data bus
D7
I/O
78
XROMCS
5V
ROM chip selection
XROMCS
O
79
XRD
5V
Read pulse output
/RD
O
80
XWR
5V
Write pulse output
/WR
O
81
VSS
Ground
GND
82
5V
Power supply for buffer
+5V
83
ADR0
5V
Address bus
A0
O
84
ADR1
5V
Address bus
A1
O
85
ADR2
5V
Address bus
A2
O
86
ADR3
5V
Address bus
A3
O
87
ADR4
5V
Address bus (also used as DRAM address)
A4
O
88
ADR5
5V
Address bus (also used as DRAM address)
A5
O
89
ADR6
5V
Address bus (also used as DRAM address)
A6
O
90
ADR7
5V
Address bus (also used as DRAM address)
A7
O
91
ADR8
5V
Address bus
A8
O
92
ADR9
5V
Address bus
A9
O
93
ADR10
5V
Address bus
A10
O
94
ADR11
5V
Address bus
A11
O
95
ADR12
5V
Address bus (SRAM can´t be used.)
A12
O
107
KX-FT25LA
Содержание KX-FT25LA
Страница 8: ...1 10 CCITT No 1 TEST CHART 8 KX FT25LA ...
Страница 9: ...1 11 LOCATION OF CONTROLS 1 11 1 OVERVIEW 9 KX FT25LA ...
Страница 10: ...1 11 2 CONTROL PANEL 10 KX FT25LA ...
Страница 13: ...1 13 3 SETTING YOUR LOGO 13 KX FT25LA ...
Страница 16: ...1 14 2 1 MAINTENANCE LIST 1 14 2 2 MAINTENANCE CYCLE 16 KX FT25LA ...
Страница 21: ...2 2 1 Document Jam 21 KX FT25LA ...
Страница 23: ...2 3 3 Simple Check List 23 KX FT25LA ...
Страница 24: ...2 3 4 TROUBLESHOOTING ITEMS TABLE 24 KX FT25LA ...
Страница 25: ...2 3 4 1 ADF Auto Document Feed Section 1 No document feed 25 KX FT25LA ...
Страница 26: ...2 Document JAM 26 KX FT25LA ...
Страница 28: ...4 Skew 28 KX FT25LA ...
Страница 29: ...5 Image is distorted When printing 29 KX FT25LA ...
Страница 30: ...6 Black or white vertical lines appear 7 Skewed receiving image 30 KX FT25LA ...
Страница 32: ...32 KX FT25LA ...
Страница 34: ...2 3 4 2 1 Defective facsimile section 1 Transmit problem 34 KX FT25LA ...
Страница 35: ...2 Sometimes there is a transmit problem 35 KX FT25LA ...
Страница 37: ...4 The unit can copy but cannot transmit receive 37 KX FT25LA ...
Страница 41: ...7 How to output the Journal Report 41 KX FT25LA ...
Страница 43: ...Countermeasure 43 KX FT25LA ...
Страница 44: ...44 KX FT25LA ...
Страница 45: ...45 KX FT25LA ...
Страница 46: ...46 KX FT25LA ...
Страница 47: ...47 KX FT25LA ...
Страница 48: ...48 KX FT25LA ...
Страница 49: ...49 KX FT25LA ...
Страница 50: ...50 KX FT25LA ...
Страница 52: ...1 Entering the remote programming mode and changing service codes 52 KX FT25LA ...
Страница 56: ...2 3 4 3 1 Digital Block Diagram 56 KX FT25LA ...
Страница 58: ...Normal Wave Patterns 58 KX FT25LA ...
Страница 60: ...60 KX FT25LA ...
Страница 62: ...62 KX FT25LA ...
Страница 63: ...NG Example 63 KX FT25LA ...
Страница 66: ...Note Inside the digital board Inside the operation board 66 KX FT25LA ...
Страница 67: ...2 3 4 4 2 Defective ITS Integrated Telephone System Section 67 KX FT25LA ...
Страница 69: ...Refer to 2 3 4 4 Analog Board Section 69 KX FT25LA ...
Страница 71: ...2 Troubleshooting Flow Chart 71 KX FT25LA ...
Страница 72: ...72 KX FT25LA ...
Страница 74: ...2 3 4 6 Operation Board Section 1 No key operation 2 No LCD indication 74 KX FT25LA ...
Страница 76: ...2 3 4 8 Read Section Refer to 6 4 4 SCANNING BLOCK 76 KX FT25LA ...
Страница 77: ...77 KX FT25LA ...
Страница 78: ...2 3 4 9 Thermal Head Section Refer to 6 4 3 THERMAL HEAD 78 KX FT25LA ...
Страница 86: ...2 5 TEST FUNCTIONS 86 KX FT25LA ...
Страница 89: ...4 DISASSEMBLY INSTRUCTIONS 89 KX FT25LA ...
Страница 90: ...90 KX FT25LA ...
Страница 91: ...91 KX FT25LA ...
Страница 92: ...92 KX FT25LA ...
Страница 93: ...93 KX FT25LA ...
Страница 94: ...94 KX FT25LA ...
Страница 95: ...95 KX FT25LA ...
Страница 96: ...96 KX FT25LA ...
Страница 97: ...97 KX FT25LA ...
Страница 98: ...98 KX FT25LA ...
Страница 99: ...99 KX FT25LA ...
Страница 101: ...5 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 5 4 BRIDGE MODIFICATION PROCEDURE 101 KX FT25LA ...
Страница 102: ...6 CIRCUIT OPERATIONS 6 1 CONNECTION DIAGRAM 102 KX FT25LA ...
Страница 104: ...6 2 1 General Block Diagram 104 KX FT25LA ...
Страница 105: ...6 3 CONTROL SECTION 6 3 1 BLOCK DIAGRAM 105 KX FT25LA ...
Страница 114: ...6 4 2 Block Diagram 114 KX FT25LA ...
Страница 116: ...116 KX FT25LA ...
Страница 121: ...6 4 6 3 2 Scanning 6 4 6 3 3 Printing Note See 6 5 SENSERS AND SWITCHES 121 KX FT25LA ...
Страница 122: ...6 4 6 3 4 Copying 122 KX FT25LA ...
Страница 131: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 131 KX FT25LA ...
Страница 133: ...6 7 Analog Unit Block Diagram 133 KX FT25LA ...
Страница 137: ...6 10 2 Circuit Diagram 137 KX FT25LA ...
Страница 140: ...6 12 POWER SUPPLY BOARD SECTION 140 KX FT25LA ...
Страница 153: ...10 TERMINAL GUIDE OF THE IC S TRANSISTORS AND DIODES 153 KX FT25LA ...
Страница 154: ...11 FIXTURES AND TOOLS 154 KX FT25LA ...
Страница 155: ...12 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 12 1 OPERATION PANEL SECTION 155 KX FT25LA ...
Страница 156: ...12 2 UPPER CABINET SECTION 156 KX FT25LA ...
Страница 157: ...12 3 LOWER CABINET P C B SECTION 157 KX FT25LA ...
Страница 159: ...12 5 ACTUAL SIZE OF SCREWS AND WASHER 159 KX FT25LA ...
Страница 160: ...13 ACCESSORIES AND PACKING MATERIALS 160 KX FT25LA ...