NO.
SIGNAL
I/O
POWER SUPPLIED VOLTAGE
DESCRIPTION
66
XOUT
O
3.3V
SYSTEM CLOCK (24MHz)
67
XIN
I
3.3V
SYSTEM CLOCK (24MHz)
68
VSS
GND
POWER SOURCE (GND)
69
VDD (5V)
5V
POWER SOURCE (+5V)
70
XTEST
O
5V
24MHz CLOCK
71
CPUCLK
O
5V
NOT USED
72
TEST1
I
5V
HIGH FIXED
73
TEST2
I
5V
HIGH FIXED
74
TEST3
I
5V
HIGH FIXED
75
TEST4
I
5V
HIGH FIXED
76
XMDMINT
I
5V
MODEM INTERRUPT
77
XMDMCS
O
5V
MODEM CHIP SELECT
78
VSS
GND
POWER SOURCE (GND)
79
VDD (3.3V)
3.3V
POWER SOURCE (3.3V)
80
XWAIT
I
5V
LOW FIXED
81
HOLD
I
5V
LOW FIXED
82
HSTRD/IOP
O
5V
FLASH MEMORY READ
83
HSTWR/IOP
O
5V
FLASH MEMORY WRITE
84
XOPRBE
O
5V
NOT USED
85
ADR15
O
5V
CPU ADDRESS BUS 15 (NOT USED)
86
ADR14
O
5V
CPU ADDRESS BUS 14 (NOT USED)
87
ADR13
O
5V
CPU ADDRESS BUS 13 (NOT USED)
88
XRAS/IOP
O
5V
DRAM (IC503) ROW ADDRESS STROBE
89
XCAS1/IOP
O
5V
DRAM (IC503) CULUM ADDRESS STROBE
90
XCAS2/IOP
O
5V
OUTPUT PORT (MODRST)
91
VSS
GND
POWER SOURCE (GND)
92
VDD (3.3V)
3.3V
POWER SOURCE (3.3V)
93
XRESCS2
O
5V
OUTPUT PORT (CSBR)
94
DB3
I/O
5V
CPU DATA BUS 3
95
DB2
I/O
5V
CPU DATA BUS 2
96
DB4
I/O
5V
CPU DATA BUS 4
97
DB1
I/O
5V
CPU DATA BUS 1
98
DB5
I/O
5V
CPU DATA BUS 5
99
DB0
I/O
5V
CPU DATA BUS 0
100
DB6
I/O
5V
CPU DATA BUS 6
101
DB7
I/O
5V
CPU DATA BUS 7
102
VSS
GND
POWER SOURCE (GND)
103
VDD (5V)
5V
POWER SOURCE (5V)
104
XROMCS
I/O
5V
ROM (IC502) CHIP SELECT
105
RD
O
5V
CPU RD
106
WR
O
5V
CPU WR
107
ADR0
O
5V
CPU ADDRESS BUS 0
108
ADR1
O
5V
CPU ADDRESS BUS 1
109
ADR2
O
5V
CPU ADDRESS BUS 2
110
ADR3
O
5V
CPU ADDRESS BUS 3
111
ADR4
O
5V
CPU ADDRESS BUS 4
112
ADR5
O
5V
CPU ADDRESS BUS 5
113
ADR6
O
5V
CPU ADDRESS BUS 6
114
ADR7
O
5V
CPU ADDRESS BUS 7
115
ADR8
O
5V
CPU ADDRESS BUS 8
116
ADR9
O
5V
CPU ADDRESS 9
117
ADR10
O
5V
CPU ADDRESS 10
118
ADR11
O
5V
CPU ADDRESS 11
119
ADR12
O
5V
CPU ADDRESS 12
120
VSS
GND
POWER SOURCE (GND)
121
VDD (5V)
5V
POWER SOURCE (+5V)
122
RBA0
O
5V
ROM/RAM BANK ADDRESS 0
123
RBA1
O
5V
ROM/RAM BANK ADDRESS 1
124
RBA2
O
5V
ROM/RAM BANK ADDRESS 2
125
RBA3
O
5V
ROM/RAM BANK ADDRESS 3
126
RBA4
O
5V
ROM/RAM BANK ADDRESS 4
127
RBA5
O
5V
ROM/RAM BANK ADDRESS 5
128
RBA6/IOP96
O
5V
OUTPUT PORT (RESERVED)
129
IOP95
O
5V
OUTPUT PORT (SEN LED ON)
130
IOP94
O
5V
OUTPUT PORT (RESERVED)
131
IOP93
I
5V
OUTPUT PORT (CIS LED ON)
132
XRESET
I
5V
RESET INPUT
147
KX-FP121AL / KX-FM131AL
Summary of Contents for KX-FP121AL
Page 3: ...15 8 FIXTURES AND TOOLS 231 3 KX FP121AL KX FM131AL ...
Page 9: ...1 11 ITU T No 1 Test Chart 9 KX FP121AL KX FM131AL ...
Page 11: ...1 12 2 CONTROL PANEL 11 KX FP121AL KX FM131AL ...
Page 13: ...1 13 1 Connecting to a computer KX FM131 ONLY 13 KX FP121AL KX FM131AL ...
Page 21: ...1 14 12 REPLACING THE FILM CARTRIDGE 21 KX FP121AL KX FM131AL ...
Page 22: ...22 KX FP121AL KX FM131AL ...
Page 29: ...Note The explanations given in the are for servicemen only 29 KX FP121AL KX FM131AL ...
Page 33: ...2 3 3 TROUBLESHOOTING ITEMS TABLE 33 KX FP121AL KX FM131AL ...
Page 34: ...2 3 3 1 Simple Check List 34 KX FP121AL KX FM131AL ...
Page 36: ...2 Document JAM 36 KX FP121AL KX FM131AL ...
Page 40: ...6 Paper JAM 7 Multiple feed and skew 40 KX FP121AL KX FM131AL ...
Page 43: ...Fig C 12 A blank page is received 43 KX FP121AL KX FM131AL ...
Page 47: ...2 3 3 3 1 Defective facsimile section 1 Transmit problem 47 KX FP121AL KX FM131AL ...
Page 55: ...55 KX FP121AL KX FM131AL ...
Page 56: ...56 KX FP121AL KX FM131AL ...
Page 57: ...57 KX FP121AL KX FM131AL ...
Page 58: ...58 KX FP121AL KX FM131AL ...
Page 59: ...59 KX FP121AL KX FM131AL ...
Page 60: ...60 KX FP121AL KX FM131AL ...
Page 61: ...61 KX FP121AL KX FM131AL ...
Page 62: ...62 KX FP121AL KX FM131AL ...
Page 70: ...I O and Pin No Diagram 70 KX FP121AL KX FM131AL ...
Page 72: ...72 KX FP121AL KX FM131AL ...
Page 74: ...NG Example 74 KX FP121AL KX FM131AL ...
Page 75: ...2 3 3 4 2 Check the Status of the Digital Board 75 KX FP121AL KX FM131AL ...
Page 76: ...2 3 3 4 3 RS 232C serial communication KX FM131 only 76 KX FP121AL KX FM131AL ...
Page 77: ...77 KX FP121AL KX FM131AL ...
Page 80: ...Note Inside the digital board 80 KX FP121AL KX FM131AL ...
Page 83: ...Refer to 2 3 3 5 Analog Board Section 83 KX FP121AL KX FM131AL ...
Page 85: ...2 Troubleshooting Flow Chart 85 KX FP121AL KX FM131AL ...
Page 91: ...91 KX FP121AL KX FM131AL ...
Page 92: ...2 3 3 10 Thermal Head Section Refer to 6 4 3 THERMAL HEAD 92 KX FP121AL KX FM131AL ...
Page 93: ...2 3 3 11 PANA LINK 93 KX FP121AL KX FM131AL ...
Page 94: ...94 KX FP121AL KX FM131AL ...
Page 95: ...95 KX FP121AL KX FM131AL ...
Page 96: ...96 KX FP121AL KX FM131AL ...
Page 97: ...97 KX FP121AL KX FM131AL ...
Page 100: ...100 KX FP121AL KX FM131AL ...
Page 114: ...2 4 7 3 PRINTOUT EXAMPLE 114 KX FP121AL KX FM131AL ...
Page 115: ...115 KX FP121AL KX FM131AL ...
Page 118: ...2 5 3 PRINT TEST PATTERN 1 Platen roller Reference pattern 118 KX FP121AL KX FM131AL ...
Page 119: ...2 Left margin Top margin Reference pattern 119 KX FP121AL KX FM131AL ...
Page 120: ...3 Thermal head 1 dot Reference pattern 120 KX FP121AL KX FM131AL ...
Page 143: ...6 3 2 MEMORY MAP 143 KX FP121AL KX FM131AL ...
Page 155: ...155 KX FP121AL KX FM131AL ...
Page 165: ...6 4 6 3 2 Transmitting documents 6 4 6 3 3 Receiving FAX 165 KX FP121AL KX FM131AL ...
Page 166: ...6 4 6 3 4 Copying 166 KX FP121AL KX FM131AL ...
Page 184: ...184 KX FP121AL KX FM131AL ...
Page 190: ...190 KX FP121AL KX FM131AL ...
Page 204: ...9 6 MEMO KX FP121AL KX FM131AL 204 ...
Page 205: ...10 TERMINAL GUIDE OF THE IC S TRANSISTORS AND DIODES 205 KX FP121AL KX FM131AL ...
Page 206: ...11 FIXTURES AND TOOLS 206 KX FP121AL KX FM131AL ...
Page 208: ...12 2 UPPER CABINET SECTION 208 KX FP121AL KX FM131AL ...
Page 209: ...12 2 1 PICK UP BASE SECTION 209 KX FP121AL KX FM131AL ...
Page 210: ...12 3 LOWER CABINET P C B SECTION 210 KX FP121AL KX FM131AL ...
Page 211: ...12 4 MOTOR SECTION 211 KX FP121AL KX FM131AL ...
Page 212: ...12 5 ACTUAL SIZE OF SCREWS AND WASHER 212 KX FP121AL KX FM131AL ...
Page 213: ...13 ACCESSORIES AND PACKING MATERIALS 213 KX FP121AL KX FM131AL ...