Sony ICF-M60LRDS / ICF-M60SRDS Service Manual ▷ View online
ICF-M60LRDS/M60SRDS
17
17
5-7.
SCHEMATIC DIAGRAM – MAIN Section (M60SRDS) –
•
See page 13 for Waveform.
•
See page 20 for IC Block Diagrams.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
CF4
CF2
CF3
R28
C31
R29
C32
D6
C50
C51
C55
R32
C41
R31
C88
C37
Q11
R35
BPF1
R1
R2
R3
L13
D7
R27
R24
L14
C56
R17
C21
L15
C22
R18
R19
Q2
C23
R22
R21
R20
L16
C24
C25
Q3
C26
C27
C28
C29
R23
C30
L11
C8
R6
C9
D3
R7
C10
C12
C13
R25
R9
R10
R37
C44
C6
C69
C68
C7
R64
C47
C58
R4
C3
C2
L3
C4
C5
R5
D2
C59
R42
C43
R39
C46
R36
CF1
C53
R52
IC4
R40
C54
C61
C62
L21
C67
C65
R61
R62
C66
X1
C63
C64
R71
R73
R67
R68
R70
R72
R75
R76
R77
C76
C77
C78
R501
C501
R63
D303
D304
D305
D306
C304
R301
R302
C303
C301
D301
D302
C302
R33
C40
R401
C36
C35
C33
C305
C1
C49
C34
Q10
JC4
TP
JC3
D8
C38
R34
IC1
IC2
Q1
C48
JC6
JC5
RV3
RV2
Q8
L5
CT2
L8
Q5
D4
L4
L18
JC10
L1
L2
CT1
CT6
L7
ANT1
SP1
J1
TP
TP
TP
R304
T301
T1
R55
R54
RV1
R53
Q301
C42
D1
R41
R26
L17
Q4
TP
C401
TP
J301
IC3
C45
Q9
2.2k
100p
330
0.01
1PS226
1
1
10
50V
470k
1
10k
1000p
2200p
2SC4081
1k
10k
100k
10k
1SS356
1k
10k
12p
4.7k
1000p
10p
4.7k
100
2SK238
10p
330
10k
470
10
50V
0.01
DTA144EUA
18p
22p
4700p
0.022
1M
22p
7p
10k
0.01
SVC347S
1M
10p
390p
68p
1M
1M
10k
10k
0.1
5p
0.01
100p
0.01
100
47
10V
1000p
100k
1000p
5p
15p
1000p
100k
HVU202A
1000p
100k
0.01
47
2.2
50V
50V
220
0.01
330k
S-81230SG
1k
10
50V
100
10V
10V
0.01
0.01
0.33
10k
10k
470p
75KHz
15p
15p
10k
100k
1k
1k
1k
1k
1k
1k
1k
100p
100p
0.01
4.7k
1
100k
1SS355
1SS355
1SS355
1SS355
220
16V
16V
220
2.2k
2200
16V
0.1
1N4002
1N4002
0.1
4.7k
0.1
47
10
50V
4.7
50V
50V
1
2200
16V
0.01
470
10V
10V
1
2SB970S
0
(SCAN)
0
DAN202UT
0.01
1k
CXA1019S
LC72137M
DTA114TUA
0.01
0
0
10k
50k
2SB970S
2SA1576A
SVC347S
0
(VT)
(GND)
(ANT IN)
220k
220k
33k
100k
820k
2SC2001TP
0.1
HVU202A
100k
22k
2SB970S
(SP OUT+)
1000
10V
(SP OUT-)
BA10393F
-E2
0.1
DTC144EUA
FM
RF
OUT
FM
OSC
AM
OSC
GND
RIPPLE
FILTER
GND
FM
AM
BAND
REG
AM
B+
AM IFT
GND
FM
DISCRI
NF
VOL
AFC
GND
IF
FM
RF IN
NC
RF IN
IF IN
IF IN
NC
METER
GND
AFC/AGC
(W)
AFC/AGC
(J)
DET
AF IN
AF
OUT
GND
X
OUT
X
IN
OUT
IN
A
A
IN
IN
AM
FM
LW
VDD
VSS
PD
CE
DI
CL
DO
ANT
AM/
FM
NC
MW
SW
IF
IN
GND
VDD
D/D OUT
MUTE
PLL CLK
PLL CE
PLL DATA
BUZZER
DET
SD
POWER
SCAN
GND
AC
VDET
+B(3V)
+B(UCOM)
AC
GND
UCOM +B
+B(+6V)
REG
VOL
TONE
SP OUT-
SP OUT+
+3V REGULATOR
IN
OUT
GND
GND
GND
B+ SWITCH
FM/AM PLL
FM SWITCH
VOL
TONE
MUTING
MW SWITCH
OSC
OSC
SW
FERRITE-ROD
ANTENNA
SW SWITCH
RF
FM
RF
FM
SW
ANTENNA
S
SW SWITCH
ANTENNA
TELESCOPIC
(SPEAKER)
DRY BATTERY
4PCS. 6V
AC IN
1
4
4
1
1
1
4
4
1
1
2
2
1
1
3
3
1
2
POWER TRANSFORMER
(CHASSIS)
FM/SW
RIPPLE FILTER
COMPARATOR
SWITCH,
FM/AM SELECT
GND
1
1
8
MW
MW
AF
AMP
TONE CONTROL
SWITCH
7
(IEC DESIGNATION R14)
SIZE"C"
4.7µH
15µH
10µH
220µH
47µH
100µH
SW
RF AMP
FM/AM RF AMP,
MIX,OSC,
DET, AF POWER
FM/AM IF AMP,
AMP
(Page 19)
(Page 19)
ICF-M60LRDS/M60SRDS
18
18
5-8.
PRINTED WIRING BOARD – KEY Section –
•
See page 13 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D101
A-4
D102
A-5
D103
H-6
D104
G-10
D105
G-10
IC101
E-5
IC102
C-10
IC103
H-8
IC104
H-8
IC105
D-6
IC106
F-7
IC107
G-5
Q101
B-6
Q102
C-10
Q103
E-6
Q104
E-6
Q105
G-7
Q106
F-10
Q107
G-10
Q108
G-8
C154
R110
R111
R231
JC103
JC102
JC104
Q101
BC
E
JC101
R195
R235
R232
R135
R136
R134
JC105
JC106
R116
R108
C131
R109
R234
R138
R140
R137
R139
R141
R143
R145
R147
R149
R142
R144
R146
R148
R151
R152
R153
R154
R155
R156
R157
R158
R160
R161
R206
R205
C144
C146
R183
C122
JC108
JC109
C123
C124
R107
R104
C127
C129
R101
C149
R182
C145
R204
C204
R201
R210
R208
C150
R196
C151
C152
C226
R225
R224
C221
R223
C227
C208
C209
C206
R159
C133
C134
R162
C135
R163
R164
R165
R166
R167
R168
R169
R171
R175
R170
R172
R176
JC111
JC110
R179
R180
C125
C126
R103
C119
C128
R105
R106
R132
R130
R128
R126
R124
R133
R131
R129
R127
R125
R123
R122
R121
R120
R119
R118
R117
C132
R114
R194
C153
R115
R181
R186
C130
R193
C138
C139
C140
C141
C142
C207
C202
C205
C211
C210
R209
R174
R173
R190
R192
C229
R222
C225
C223
R226
C228
R191
R202
C203
R203
JC112
R233
R150
Q103
BC
E
Q104
BC
E
Q105
BC
E
Q108
BC
E
D103
K
A
IC105
K
A
D104
D105
A
K
Q107
BC
E
Q106
BC
E
R187
R188
EC
B
Q102
IC102
JW111
JW110
JW109
JW108
JW107
JW106
JW104
JW103
JW101
JW105
JW102
S113
S114
S106
S107
S112
S108
S101
S109
S110
S119
S111
S116
(UP)
S115
(FAST UP)
S120
(FAST DOWN)
S117
(DOWN)
C201
+
L102
X103
X102
X101
JW125
JW126
JW127
JW128
JW121
JW122
JW123
JW131
JW124
JW130
JW153
JW152
JW151
JW142
JW141
JW140
JW154
JW155
JW161
JW160
JW159
JW158
JW157
JW156
JW162
JW163
JW129
JW143
JW144
JW145
JW132
JW133
JW118
JW119
JW120
JW134
JW135
JW136
JW112
JW113
JW114
JW115
JW116
JW137
JW138
JW139
JW146
JW147
JW149
JW150
JW148
S124
S121
S122
S104
S105
S102
S123
S103
T101
L103
L104
C222
+
C230
+
L105
D101
D102
L106
CT101
L101
KEY BOARD
BAND
1
2
3
4
5
6
7
PRESET
TUNING
TUNING
STATION
SELECT/
PRESET
OPERATION
TUNE/
TIME SET
1
8
16
9
40
41
1
80
21
20
60
61
TP
(GND)
JC107
TP
(4.23MHz)
1
2
3
4
SCAN/
PTY SEARCH
5
8
4
1
ALTERNATIVE
SEARCH
TEXT
SLEEP
TRAFFIC
INFO
PTY
CLOCK AUTO
ADJUST
BP1
1
3
5
4
DISPLAY
T101
T101
DC/DC
CONVERTER
(SHIELD CASE)
(M60SRDS)
(M60LRDS)
8
1
7
1
A
MAIN
BOARD
B
MAIN
BOARD
1
36
LCD101
LIQUID
CRYSTAL
DISPLAY
HOLD
OFF
ON
R113
R112
D101, 102
(LCD BACKLIGHT)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
LIGHT
(SHIELD CASE)
C121
+
1
2
1
2
4
3
4
3
(M60SRDS)
(M60LRDS)
(M60SRDS)
(M60LRDS)
MAIN
BOARD
D
MAIN
BOARD
C
(M60LRDS)
(M60SRDS)
(M60LRDS)
(M60SRDS)
(11)
11
1-684-880-
S118
CLOCK
mb/CLOCK
(M60LRDS)
(M60SRDS)
IC101
IC106
IC107
IC104
IC103
(Page 14)
(Page 16)
(Page 14)
(Page 16)
ICF-M60LRDS/M60SRDS
19
19
R107
IC102
IC103
IC104
R190
R192
R108
R117
R118
R119
R120
R121
R122
R123
R124
R125
R126
R127
R128
R129
R130
R131
R132
R133
R134
R155
R156
R157
R158
R159
R163
R164
R165
R166
R167
R169
R168
R170
R171
R172
R173
R174
R179
R180
R181
R182
R183
IC107
C203
C207
C206
C208
C209
R206
R110
R111
R112
R113
C154
R194
C131
R114
L101
C128
C129
Q103
Q104
R106
C126
X101
C119
C122
R103
R101
X102
C124
C123
R186
R175
C144
C145
C146
C149
R176
R195
C153
R193
Q105
R191
D103
C150
C151
C121
C152
R196
R188
R187
L104
R226
C228
C230
C229
C222
R223
D104
C223
Q106
Q107
C225
R225
C226
D105
Q108
R210
R208
R209
C211
C201
R202
C202
C204
C205
R204
X103
R205
C132
R115
S106
S107
S108
S109
S110
S111
S112
R231
R232
R233
R234
R235
C130
IC106
C210
R154
R153
R152
R151
R150
R149
R148
R147
R146
R145
R144
R143
R142
R141
R140
R139
R138
R137
R136
R135
R160
R161
C133
C138
C139
R162
C134
C135
C142
C141
C140
R104
R105
LCD101
Q101
D101
D102
IC105
R201
L102
L106
R203
JC112
S101
JC105
Q102
T101
R222
JC107
JC109
JC108
JC111
JC110
CT101
C221
C227
L105
R224
L105
L103
L103
R109
R116
C125
JC106
S103
S102
S105
JC104
JC101
JC103
JC102
S113
S104
S119
S118
S114
S117
S116
S115
S120
S122
S121
S123
S124
C127
TP
IC101
BP1
10k
S-81230SG
S-80836AN-NP
S-80842AN-NP
470k
470k
100k
10k
10k
10k
10k
10k
10k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
1k
1k
10k
10k
6.8k
4.7k
4.7k
1k
1k
100k
10k
1k
100k
10k
1k
100k
100k
10k
22k
1k
1k
1k
BU1924F-E2
0.1
470p
1000p
1
1
10k
470
1k
470
1k
0.01
1M
0.01
10k
0.01
0.01
2SA1576A
2SA1576A
1M
39p
4.19MHz
1000p
1
1M
330k
32.768KHz
18p
22p
1k
10k
1
1000p
1000p
220p
100k
100k
0.01
10k
2SA1576A
220k
1SS355
0.01
0.1
10
6.3V
0.01
10k
1M
10k
100k
1
4.7
16V
16V
0.22
10
6.3V
47k
UDZS-TE17-13B
0.1
2SC4081
2SC4081
10p
1k
0.22
1SS355
2SC4081
22
470k
1k
0.01
10
6.3V
10
0.1
47p
47p
2.2k
4.332MHz
10k
0.1
100k
1.5k
2.2k
2.2k
2.2k
1k
0.01
BR24C08F-E2
1000p
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
120k
0.1
1000p
1000p
100k
0.1
0.1
0.01
0.01
0.01
1k
1k
DTC114TUA
TOL-31CSGAKAA
-KS01
TOL-31CSGAKAA
-KS01
S-80820AN-NP
4.7k
0
0
0
2SC4081
100k
0
0
0
0
0
100k
100k
100k
15p
0
0
0
0
0
47p
(4.23MHZ)
-P08-88T
COM0
COM1
COM2
COM3
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
LCD10
LCD11
L
C
D
1
2
L
C
D
1
3
L
C
D
1
4
L
C
D
1
5
L
C
D
1
6
L
C
D
1
7
L
C
D
1
8
L
C
D
1
9
L
C
D
2
0
L
C
D
2
1
L
C
D
2
2
L
C
D
2
3
L
C
D
2
4
L
C
D
2
5
L
C
D
2
6
L
C
D
2
7
L
C
D
2
8
L
C
D
2
9
L
C
D
3
0
L
C
D
3
1
SCAN
SCAN
S
D
SD
B
U
BU
D
A
T
A
DATA
L
A
T
LAT
C
L
K
CLK
KS0
KS1
KS2
KS3
K
S
0
K
S
1
K
S
2
KS
3
KR0
KR1
KR2
KR3
KR4
KR5
KR0
KR1
KR2
KR3
KR4
KR5
L
C
D
0
L
C
D
1
L
C
D
2
L
C
D
3
L
C
D
4
L
C
D
5
L
C
D
6
L
C
D
7
L
C
D
8
L
C
D
9
L
C
D
1
0
L
C
D
1
1
L
C
D
1
2
L
C
D
1
3
L
C
D
14
L
C
D
1
5
L
C
D
1
6
L
C
D
1
7
L
C
D
1
8
L
C
D
1
9
L
C
D
2
0
L
C
D
2
1
L
C
D
2
2
L
C
D
2
3
L
C
D
2
4
L
C
D
2
5
L
C
D
2
6
L
C
D
2
7
L
C
D
2
8
L
C
D
2
9
L
C
D
3
0
L
C
D
3
1
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
∗
∗
C
O
M
3
C
O
M
2
C
O
M
1
C
O
M
0
LIQUID CRYSTAL DISPLAY
SYSTEM CONTROLLER
COM0
COM1
COM2
COM3
BIAS
VLCD0
VLCD1
VLCD2
KS0
KS1
KS2
KS3
VSS
NC
MUTE
POWER
FM
HOLD
AC
SCAN
V
D
ET
2
VD
E
T1
C
L
K
/R
D
S
D
A
T
A/R
D
S
S
D
B
U
ZZ
E
R
D
A
T
A
/R
L
L
L
A
T
/P
L
L
C
LK
/P
L
L
C
L
K
/E
E
P
R
O
M
D
A
T
A
/EE
P
R
O
M
N
C
L
IG
H
T
V
D
D
X
T
1
X
T
2
IC
X
1
X
2
S
H
IFT
C
L
O
C
K
INITIAL
KR0
KR1
KR2
KR3
KR4
KR5
RESET
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
LCD10
LCD11
L
C
D
1
2
L
C
D
1
3
L
C
D
1
4
LC
D
1
5
L
C
D
16
L
C
D
1
7
L
C
D
1
8
L
C
D
19
L
C
D
20
LC
D
2
1
L
C
D
2
2
L
C
D
2
3
L
C
D
2
4
L
C
D
25
L
C
D
2
6
L
C
D
2
7
L
C
D
2
8
L
C
D
2
9
L
C
D
30
L
C
D
3
1
V
C
C
W
P
C
LK
D
A
T
A
A
1
A
2
A
3
G
N
D
D/D OUT
MUTE
PLL CLK
PLL CE
PLL DATA
BUZZER
DET
SD
POWER
SCAN
GND
AC
VDET
+B(3V)
+B(UCOM)
OUT
IN
L
C
D
0
L
C
D
1
LC
D
2
LC
D
3
L
C
D
4
L
C
D
5
L
C
D
6
L
C
D
7
L
C
D
8
L
C
D
9
L
C
D
10
L
C
D
1
1
LC
D
1
2
L
C
D
1
3
L
C
D
1
4
L
C
D
1
5
L
C
D
16
L
C
D
1
7
L
C
D
1
8
L
C
D
1
9
L
C
D
2
0
L
C
D
2
1
L
C
D
2
2
L
C
D
2
3
L
C
D
2
4
LC
D
2
5
L
C
D
2
6
L
C
D
2
7
L
C
D
2
8
L
C
D
2
9
LC
D
3
0
L
C
D
31
MODE TEST
DVSS DVDD
OSC
OSC
NC
CLK
IN
OUT
SC
SC
AVSS AVDD
MUX VREF
DATA QUAL
LED DRIVE
(LCD BACKLIGHT)
D101,102
V
C
C
R
E
S
ET
G
N
D
G
N
D
RESET SIGNAL
GENERATOR
RDS DECODER
B+ SWITCH
HOLD
ON
OFF
AC DETECT
G
N
D
IN
O
U
T
G
N
D
G
N
D
+3V REGULATOR
G
N
D
G
N
D
IN
O
U
T
G
N
D
G
N
D
IN
O
U
T
VOLTAGE DETECT
VOLTAGE DETECT
EEPROM
BUFFER
DC/DC CONVERTER
Q106,107
DC/DC
CONVERTER
(M60LRDS)
(M60SRDS)
∗
C221,227
0.1
1
(M60LRDS)
(M60SRDS)
(M60SRDS)
(M60SRDS)
(M60SRDS)
(M60LRDS)
(M60SRDS)
(M60LRDS)
Q103,104
CLOCK SHIFT
7
1
1
8
5
TEXT
DISPLAY
SLEEP
1
2
LIGHT
3
7
6
4
S106
S107
S108
S109
S112
S111
S110
SCAN/
PTY SEARCH
BAND
OPERATION
CLOCK
TUNE/TIME SET
(DOWN)
TUNE/TIME SET
(UP)
TUNE/TIME SET
(FAST UP)
TUNE/TIME SET
(FAST DOWN)
TRAFFIC
INFO
PTY
ALTERNATIVE
SEARCH
CLOCK AUTO
ADJUST
PRESET TUNING STATION,SELECT/PRESET
(M60SRDS)
(M60LRDS)
(M60SRDS)
(M60LRDS)
220µH
100µH
100µH
220
µ
H
µPD753017AGC
mb/CLOCK
(M60LRDS)
(M60SRDS)
5-9.
SCHEMATIC DIAGRAM – KEY Section –
•
See page 13 for Waveforms.
•
See page 20 for IC Block Diagram.
(Page 15)
(Page 17)
(Page 15)
(Page 17)
ICF-M60LRDS/M60SRDS
20
20
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC1
CXA1019S
IC2
LC72137M-TLM
– KEY Board –
IC107
BU1924F-E2
1
2
3
4
5
6
7
8
9
10
15
14
13
12
11
FM
DISCRIMINATOR
AF POWER AMP
AM FE
FM IF
TUNING
METER
AM IF DET AGC
FM FE
23
22
21
20
24
25
19
18 17 16
29 28 27 26
30
GND
GND
AF OUT
VCC
RIPPLE
FIL
TER
AF IN
DET OUT
AFC AGC
AFC AGC
IF GND
METER
N.C
FM IF IN
AM IF IN
FM/AM BAND
SELECT
FM/AM
IF OUT
N.C
FE GND
AM RF IN
FM RF
REG OUT
FM OSC
FM RF IN
AFC
AM OSC
VOL
NF
FM DISCRI
GND
GND
11
10
9
8
7
6
5
4
3
2
1
12
13
14
15
16
19
20
UNLOCK
DETECTOR
POWER ON
RESET
UNIVERSAL
COUNTER
CCB
I/F
CE
DI
CL
DO
XOUT
AOUT
XIN
AIN
PD
VSS
VDD
B04
FMIN
AMIN
B01
B02
B03
I01
I02
IFIN
PHASE
DETECTOR
CHARGE
PUMP
REFERENCE
DIVIDER
SWALLOW
COUNTER
1/16,1/17
4BITS
12BITS
PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER
LATCH
1/2
17
18
ANALOG
DIGIT
AL
RCLK
NC
XO
XI
VSS2
T2
VDD2
T1
QUAL
RDA
T
VREF
MUX
VDD1
VSS1
VSS3
CMP
1
4
3
6
5
8
7
2
14
15
16
13
12 11 10
9
CLOCK
PLL 57kHz
RDS/ARI
COMPARATOR
8th SWITCHED
CAPACITOR
FILTER
ANTI-ALIASING
FILTER
BIPHASE
DECODER
PLL
1187.5Hz
DEFFERENTIAL
DECODER
TEST
5-10.
IC PIN FUNCTION DESCRIPTION
•
KEY BOARD IC101
µ
PD753017AGC-P08-88T (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 20
LCD12 to LCD31
O
Segment drive signal output to the liquid crystal display
21 to 24
COM0 to COM3
O
Common drive signal output to the liquid crystal display
25
BIAS
O
Liquid crystal display drive bias control output terminal
26
VLCD0
I
Develop liquid crystal display drive voltage input terminal
27, 28
VLCD1, VLCD2
I
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
29 to 32
KS0 to KS3
O
Key scan signal output of the key matrix
33
VSS
—
Ground terminal
34
NC
O
Not used
35
MUTE
O
Muting on/off control signal output terminal “L”: muting on
36
POWER
O
PLL low-pass filter power supply on/off control signal output terminal “L”: power on
37
FM
O
RDS decode circuit power supply on/off control signal output terminal “L”: power on
38
HOLD
I
HOLD switch input terminal “H”: hold on
39
AC
I
AC voltage detection signal input “L”: AC detected
40
SCAN
I
Comparator voltage detection signal input terminal
41
VDET2
I
Battery voltage detect signal input terminal “L” is input at low voltage
42
VDET1
I
Battery voltage detect signal input terminal “L” is input at low voltage
43
CLK/RDS
I
Serial data transfer clock signal input from the RDS decoder
44
DATA/RDS
I
Serial data input from the RDS decoder
45
SD
I
Station detector detect input from the CXA1019S
Stop level for SEEK, BTM, etc. is determined SD is present at input of “L”
Stop level for SEEK, BTM, etc. is determined SD is present at input of “L”
46
BUZZER
O
Beep sound drive signal output to the CXA1019M
47
DATA/PLL
O
Serial data output to the FM/AM PLL
48
LAT/PLL
O
Serial data latch pulse signal output to the FM/AM PLL
49
CLK/PLL
O
Serial data transfer clock signal output to the FM/AM PLL
50
CLK/EEPROM
O
Serial data transfer clock signal output to the EEPROM
51
DATA/EEPROM
I/O
Two-way data bus with the EEPROM
52
NC
I
Not used
53
LIGHT
O
Liquid crystal display back light LED drive signal output terminal “H”: back light on
54
VDD
—
Power supply terminal (+3V)
58
XT1
I
Sub system clock input terminal (32.768 kHz)
59
XT2
O
Sub system clock output terminal (32.768 kHz)
57
IC
—
Connected to power supply (+3V)
55
X1
I
Main system clock input terminal (4.19 MHz)
56
X2
O
Main system clock output terminal (4.19 MHz)
60
SHIFT CLOCK
O
Alert signal output for the shift clock circuit “L”: on, “H”: off Not used (open)
61
INITIAL
I
Model destination setting signal input terminal
62 to 67
KR0 to KR5
I
Key return signal input of the key matrix
68
RESET
I
System reset signal input from the reset signal generator “L”: reset
“L” is input for several 100 msec after power on, then it changes to “H”
“L” is input for several 100 msec after power on, then it changes to “H”
69 to 80
LCD0 to LCD11
O
Segment drive signal output to the liquid crystal display
Click on the first or last page to see other ICF-M60LRDS / ICF-M60SRDS service manuals if exist.