Pin
Pin Name
Buffer Power supply
5V Tolerant
Signal Name
I/O
Description
26
IRDATXD/IOP81
3.3V
YES
OPEN
O Not used
27
IRDARXD/IOP80
3.3V
YES
OPEN
O Not used
28
TXD/IOP30
3.3V
YES
BREAK
O TEL Line Break Control
29
RXD/IOP31
3.3V
YES
H/S ALC
I
Not used (Hardware Control)
30
XRTS/IOP32
3.3V
YES
DTMF IMP
O DTMF-IMP Control
31
XCTS/IOP33
3.3V
YES
P-SHORT
O P-SHORT Control (Not Used)
32
XDSR/IOP34
3.3V
YES
OPEN
O Not used
33
DCD/IOP35
3.3V
YES
OPEN
O Not used
34
XDTR/IOP36
3.3V
YES
OPEN
O Not used
35
RI/CLK/IOP37
3.3V
YES
OPEN
O Not used
36
IOP90
3.3V
YES
OPEN
O Not used
37
IOP91
3.3V
YES
OPEN
O Not used
38
VSS
DG
Ground
39
IOP92
3.3V
YES
OPEN
O Not used
40
IOP93
3.3V
YES
OPEN
O Not used
41
IOP94
3.3V
YES
OPEN
O Not used
42
IOP95
3.3V
YES
OPEN
O Not used
43
3.3V
+3.3V
Power supply
44
FMEMCS/IOP27
3.3V
YES
OPEN
O Not used
45
FMEMDO/IOP26
3.3V
YES
I
Not used
46
FMEMDI/IOP25
3.3V
YES
O Not used
47
FMEMCLK/IOP24
3.3V
YES
TELRXENB
I/O Telephone RX root control
48
CBUSY2
3.3V
-
OPEN
Not used
49
CSO/OP70
3.3V
-
OPEN
Not used
50
CBUSY1
3.3V
YES
OPEN
Not used
51
CCLK
3.3V
YES
OPEN
Not used
52
CSI
3.3V
YES
OPEN
Not used
53
MIDAT/IOP45
MULT3/5
YES
MTXENB
O Modem TX route control
54
MICLK/IOP46
MULT3/5
YES
MOMRXENB
O Modem RX route control
55
MILAT/IOP47
MULT3/5
YES
H/SRXENB
O Handset RX route control
56
RVN
3.3V
YES
BELL
Bell signal detection
57
CPC
3.3V
YES
PAPER
Recording paper detection
58
TONE1
3.3V
-
TONE1
Not used
59
TONE2
3.3V
-
TONE2
Tone2 (bell alarm key tone)
60
VSS
DG
Ground
61
3.3V
+3.3V
Power supply
62
EVOLIN
(3.3V)
-
EVOL IN
Electronic volume (handset monitor)
63
EVOLOUT
(3.3V)
-
EVOL OUT
Electronic volume (handset monitor)
64
EVOLREF
(3.3V)
-
EVOL REF
Electronic volume (handset monitor)
65
VSS
DG
Ground
66
IOP57
3.3V
YES
EX-HOOK
O Not used
67
XMDMINT
3.3V
YES
XINTMDM
Modem interrupt
68
XINTMDM
3.3V
-
XMDMINT
Modem INT output/general output
69
XNMI/XINT
3.3V
YES
XNMI
NMI
70
EYECKO
MULT3/5
NO
EYECKO
Modem AFE connection (APDMCK)
71
APDMDT
3.3V
YES
APDMDT
Modem AFE connection
72
C3
MULT3/5
NO
C3
Modem AFE connection
73
C4
MULT3/5
NO
C4
Modem AFE connection
74
C5
MULT3/5
NO
C5
Modem AFE connection
75
MULT3/5
+5V
Power supply
76
DPDMDT
MULT3/5
NO
DPDMDT
Modem AFE connection
77
DPDMCK
MULT3/5
NO
DPDMCK
Modem AFE connection
78
MUTE
MULT3/5
NO
MUTE
Modem AFE connection
79
XEYESYC
MULT3/5
NO
XEYESYC
Modem eye pattern EYESYNC
80
EYEDAT
MULT3/5
NO
EYEDAT
Modem eye pattern EYEDAT
81
XRESETD
MULT3/5
NO
XRESETD
Modem AFE connection
82
CPUCK
3.3V
-
CPUCK
CPU clock (6MHz) output
83
XHOLDAK
3.3V
-
OPEN
Not used
84
XWAIT/IP60
3.3V
YES
HOOK
Hook detection
85
XHOLD/IP61
3.3V
YES
PULL DOWN
Not used
86
XHSTRD/IOP40
3.3V
YES
H/S MUTE
O Handset TX mute
87
VSS
DG
Ground
88
XINMDM
3.3V
NO
20.736MHz crystal oscillator buffer
89
XOUTMDM
3.3V
-
20.736MHz crystal oscillator buffer
90
TEST1
3.3V
NO
+3.3V
Test pin. fixed High
91
TEST2
3.3V
NO
+3.3V
Test pin. fixed High
92
XTEST
3.3V
-
XTEST
24MHz clock output
102
KX-FT72BR-G
Содержание KX-FT72BR-G
Страница 3: ...1 1 LCD MESSAGE 1 INTRODUCTION 3 KX FT72BR G ...
Страница 8: ...1 11 TEST CHART 1 11 1 ITU T NO 1 TEST CHART 8 KX FT72BR G ...
Страница 9: ...1 11 2 CCITT NO 2 TEST CHART 9 KX FT72BR G ...
Страница 10: ...1 12 LOCATION OF CONTROLS 1 12 1 OVERVIEW 10 KX FT72BR G ...
Страница 28: ...2 3 4 2 DOCUMENT JAM CROSS REFERENCE SENSOR SECTION P 72 DISASSEMBLY INSTRUCTIONS P 84 28 KX FT72BR G ...
Страница 29: ...2 3 4 3 MULTIPLE FEED CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 84 29 KX FT72BR G ...
Страница 30: ...2 3 4 4 SKEW CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 84 30 KX FT72BR G ...
Страница 34: ...CROSS REFERENCE DISASSEMBLY INSTRUCTIONS P 84 34 KX FT72BR G ...
Страница 37: ...2 3 5 1 2 SOMETIMES THERE IS A TRANSMIT PROBLEM CROSS REFERENCE LCD MESSAGE P 3 37 KX FT72BR G ...
Страница 39: ...2 3 5 1 4 THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE 39 KX FT72BR G ...
Страница 45: ...45 KX FT72BR G ...
Страница 46: ...CROSS REFERENCE TEST FUNCTIONS P 82 46 KX FT72BR G ...
Страница 47: ...CROSS REFERENCE TEST FUNCTIONS P 82 47 KX FT72BR G ...
Страница 48: ...48 KX FT72BR G ...
Страница 49: ...CROSS REFERENCE TEST FUNCTIONS P 82 CROSS REFERENCE TEST FUNCTIONS P 82 49 KX FT72BR G ...
Страница 50: ...50 KX FT72BR G ...
Страница 51: ...51 KX FT72BR G ...
Страница 52: ...CROSS REFERENCE TEST FUNCTIONS P 82 52 KX FT72BR G ...
Страница 58: ...58 KX FT72BR G ...
Страница 59: ...Normal Wave Patterns 59 KX FT72BR G ...
Страница 61: ...CROSS REFERENCE NG EXAMPLE P 63 CHECK THE STATUS OF THE DIGITAL BOARD P 64 61 KX FT72BR G ...
Страница 62: ...CROSS REFERENCE CHECK THE STATUS OF THE DIGITAL BOARD P 64 62 KX FT72BR G ...
Страница 63: ...2 3 6 2 NG EXAMPLE 63 KX FT72BR G ...
Страница 66: ...2 3 7 2 DEFECTIVE ITS INTEGRATED TELEPHONE SYSTEM SECTION 66 KX FT72BR G ...
Страница 68: ...2 Troubleshooting Flow Chart 68 KX FT72BR G ...
Страница 69: ...69 KX FT72BR G ...
Страница 73: ...2 3 11 READ SECTION Refer to SCANNING BLOCK P 112 73 KX FT72BR G ...
Страница 79: ...2 4 5 SERVICE MODE SETTINGS Example of a printed out list 79 KX FT72BR G ...
Страница 84: ...3 DISASSEMBLY INSTRUCTIONS 3 1 HOW TO REMOVE THE HANDSET CRADLE CABINET HOOK BUTTON AND SPEAKER 84 KX FT72BR G ...
Страница 85: ...3 2 HOW TO REMOVE THE OPERATION BLOCK 85 KX FT72BR G ...
Страница 86: ...3 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 86 KX FT72BR G ...
Страница 87: ...3 4 HOW TO REMOVE THE BOTTOM FRAME AND ANALOG BOARD 87 KX FT72BR G ...
Страница 88: ...3 5 HOW TO REMOVE THE DIGITAL POWER SUPPLY BOARD AND AC INLET 88 KX FT72BR G ...
Страница 89: ...3 6 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 89 KX FT72BR G ...
Страница 90: ...3 7 HOW TO REMOVE THE MOTOR AND GEARS OF MOTOR BLOCK 90 KX FT72BR G ...
Страница 91: ...3 8 HOW TO REMOVE THE IMAGE SENSOR CIS 91 KX FT72BR G ...
Страница 92: ...3 9 HOW TO REMOVE THE DOCUMENT FEED ROLLER 92 KX FT72BR G ...
Страница 93: ...3 10 HOW TO REMOVE THE THERMAL HEAD 93 KX FT72BR G ...
Страница 94: ...3 11 INSTALLATION POSITION OF THE LEAD WIRES 94 KX FT72BR G ...
Страница 96: ...4 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 4 4 BRIDGE MODIFICATION PROCEDURE 96 KX FT72BR G ...
Страница 97: ...5 CIRCUIT OPERATIONS 5 1 CONNECTION DIAGRAM 97 KX FT72BR G ...
Страница 99: ...5 2 1 General Block Diagram 99 KX FT72BR G ...
Страница 109: ...5 4 2 BLOCK DIAGRAM 109 KX FT72BR G ...
Страница 111: ...111 KX FT72BR G ...
Страница 117: ...5 4 6 3 4 COPYING CROSS REFERENCE SENSOR SECTION P 72 117 KX FT72BR G ...
Страница 126: ...b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 126 KX FT72BR G ...
Страница 132: ...5 10 1 CIRCUIT DIAGRAM 132 KX FT72BR G ...
Страница 135: ...5 12 POWER SUPPLY BOARD SECTION 135 KX FT72BR G ...
Страница 137: ...6 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 137 KX FT72BR G ...
Страница 138: ...7 FIXTURES AND TOOLS 138 KX FT72BR G ...
Страница 139: ...8 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 8 1 OPERATION PANEL SECTION 139 KX FT72BR G ...
Страница 140: ...8 2 UPPER CABINET SECTION 140 KX FT72BR G ...
Страница 141: ...8 3 LOWER CABINET P C B SECTION CROSS REFFERENCE MOTOR SECTION P 142 141 KX FT72BR G ...
Страница 142: ...8 4 MOTOR SECTION 142 KX FT72BR G ...
Страница 143: ...8 5 ACTUAL SIZE OF SCREWS 143 KX FT72BR G ...
Страница 144: ...9 ACCESSORIES AND PACKING MATERIALS 144 KX FT72BR G ...
Страница 163: ...163 KX FT72BR G Y M KXFT72BRG ...