Sony ICF-M1000 Service Manual ▷ View online
ICF-M1000
13
13
ICF-M1000
R305
R208
R225
R125
R223
R123
L301
R258
R156
L302
C232
C132
C127
C126
R150
C129
R151
R252
C229
R251
C226
C227
C104
C204
J
W
3
24
CN303
JW327
R122
C122
R222
C109
C
20
9
R257
R132
JW329
JW318
JW328
JW330
R242
L3
0
3
R
3
1
5
R
1
4
1
JW333
R246
C215
C115
C225
R245
C224
C223
R244
J
W
3
25
R243 JC201
R217
R256
R142
R143
C123
R149
C124
C125
R144
JW346
C114
C214
C111
C211
R155
R117
IC302
R221
R121
C212
C112
R157
R159
C133
C233
R261
R259
C218
D101
D201
C219
JW331
C120
C220
R241
R140
C309
C222
JW336
JW332
JW323
R313
R138
R
1
3
9
C118
C308
R238
R137
C119
C306
C117
R158
R136
R240
R239
C217
JW310
C310
R320
R254
JW340
C131
C231
R218
R118
C314
JW339
R211
R212
C236
C205
C221
C206
C237
R215
R216
JW320
JW345
C136
C105
C106
C137
C121
R116
R115
JW344
R111
R112
JW343
JW342
R109
C103
R213
JW349
JW338
JW351
R153
JW348
D301
R154
R255
R237
R260
C235
C135
R235
R236
C216
C116
R233
R134
R307
R310
C305
R311
R308
R309
R232
R133
R234
R135
R445
C437
R203
R206
Q203
C201
JW309
R207
C202
C102
Q103
R107
C101
R106
JW347
R113
R28
JW341
R27
R26
C41
R302
JW337
J
W
3
0
7
C301
JW350
R102
R105
R204
R205
JW352
R202
Q301
JW315
JW316
JW317
JW313
C444
JW312
JW
3
1
9
J
W
3
2
1
JW335
JW311
JW
3
2
2
JW
3
2
6
C30
JW334
R412
C435
CN305
CN3
JW314
J
W
3
0
3
J
W
3
0
4
C47
J
W
3
0
5
JW301
C
4
6
R201
R
1
0
1
JW302
R418
CN1
J301
J302
R224
R124
IC304
IC301
C307
R304
C302
R108
R209
R110
R210
C203
C40
J303
CN301
SP301
C134
C234
Q106
Q206
Q105
Q205
Q204
Q104
IC303
Q202
Q201
Q310
Q306
Q307
C38
Q7
Q302
Q403
R314
Q308
Q309
Q405
Q404
S1
Q102
Q101
JW308
R
1
0
4
R
1
0
3
4.7k
10k
47k
47k
22k
22k
1k
1k
1000p
1000p
1000p
470p
10k
4.7
50V
50V
10k
10k
4.7
50V
50V
10k
1000p
470p
0.022
0.022
11P
10k
4.7
50V
50V
10k
4.7
50V
50V
4
.7
5
0V
2.2k
2.2k
10
4.7k
1
0
10k
100p
100p
0.022
470
470p
1000p
10k
10k
0
47k
100k
10k
10k
0.022
470
470p
1000p
10k
4.7
50V
4.7
50V
0.47
0.47
100k
47k
BA4558F-E2
1k
1k
2.2
2.2
10k
22k
0.1
0.1
22k
10k
100
16V
16V
1SS133T-77
1SS133T-77
1000
16V
0.01
0.01
2.2
2.2
10
50V
4.7
50V
50V
1k
4.7k
4
7
k
100
16V
0.01
10k
10k
1000
16V
47
16V
47
16V
220
470
4.7k
47k
47
16V
10
50V
47k
10k
0.22
0.22
22k
22k
100p
470k
22k
0.047
0.047
100p
0.01
0.01
470k
2.2k
0.047
0.047
0.01
0.01
100p
2.2k
470k
470k
22k
470k
4.7
50V
470
10k
1SS133T-77
100k
100k
470
220
100p
100p
47k
47k
1
1
10k
10k
1k
100k
10
50V
1k
1k
1k
2.2k
4.7k
100k
100k
2.2k
0.01
1k
10k
2SC4154TP-1EF
4.7
50V
1k
1000p
1000p
2SC4154TP-1EF
1k
4.7
50V
50V
10k
470
100k
100
470
0.01
100
100
16V
16V
47k
47k
47k
47k
47k
RT1N140M-TP-1
22p
100p
10k
1000p
7P
19P
1
1
47k
4
7
k
100k
2.2k
2.2k
BA4558F-E2
NJM2746RB1
0.1
4.7k
220
10V
10V
10k
470k
2.2k
2.2k
4.7
50V
50V
1000p
2P
2200p
2200p
RT1N140M-TP-1
RT1N140M-TP-1
2SC4154TP-1EF
2SC4154TP-1EF
2SC4154TP-1EF
2SC4154TP-1EF
BA5417
2SC4154TP-1EF
2SC4154TP-1EF
2SA1602TP-1EF
2SC4154TP-1EF
2SC4154TP-1EF
470p
2SC3931-C-TX
RT1P441M-TP-1
RT1N140M-TP-1
4.7k
2SA1602TP-1EF
2SC4154TP-1EF
RT1N241M-TP-1
RT1P441M-TP-1
2SC4154TP-1EF
2SC4154TP-1EF
4
7
k
1
k
NF(R)
R
CH IN
LCH IN
N
F(L)
FIL
TE
R
STBY
POW
ER
BS(L)
LC
H OUT
VC
C
RCH
O
UT
BS(R
)
N
C
PR
E GND2
PR
E GND
1
GN
D
FM ANTENNA
75
Ω
LINE IN
LINE OUT
LOW-PASS FILTER
LINE AMP
LINE AMP
MUTING
MUTING
BUFFER
(FM ANTENNA SELECTOR)
INT
EXT
MUTING
MUTING
MUTING
MUTING
MUTING
MUTING
MUTING
POWER AMP
BUFFER
BUFFER
(FOR RADIO)
(FOR LINE)
Q301,302
RADIO/LINE SELECT SWITCH
MUTING CONTROL
SWITCH
Q404,405
B+ SWITCH
MUTING
MUTING
Q308,403
STANDBY SWITCH
(FOR RADIO)
BUFFER
(FOR LINE)
BUFFER
W1
W301
5-4. SCHEMATIC DIAGRAM – AMPLIFIER Section –
•
See page 16 for IC Block Diagrams.
(Page
11)
(Page 15)
(Page 15)
ICF-M1000
14
14
ICF-M1000
C427
C426
D402
C424
C425
C445
C440
C429
C423
JC407
C428
C228
C128
R152
R420
R421
R423
R424
R422
R411
R410
R253
7
1
8
14
IC403
5
1
8
4
IC402
CN304
SW1
ROTARY ENCODER
TUNE/TIME SET
RV302
VOLUME
RV301
TONE
VOL BOARD
1-869-627-
(11, 12)
11, 12
A
K
C910
C903
C901
C902
C904
C906
C912
C909
C915
C916
C918
R909
R907
R908
R910
R911
R906
R902
R903
R904
R905
R912
E
C
B
Q902
E
C
B
Q901
L902
D913
D909
Q903
T901
R901
L901
IC901
POWER BOARD
1-869-624-
(11, 12)
11, 12
C907
+
C911
+
C908
+
C914
+
C913
+
JW902
JW903
JW904
JW901
D902
D904
D905
D901
D903
D906
D910
D912
D911
D907
D908
1
7
C905
+
-2
-1
-2
-1
AMPLIFIER
BOARD
CN303
C
1
2
11
10
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
POWER
TRANSFORMER
(AC IN)
1
3
2
AMPLIFIER
BOARD
CN305
B
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
W301
F901
(US)
(CND)
5-5. PRINTED WIRING BOARDS – VOLUME/POWER Section –
: Uses unleaded solder.
•
See page 9 for Circuit Boards Location.
Ref. No. Location
D402
E-3
D901
B-7
D902
C-7
D903
B-7
D904
C-7
D905
C-8
D906
C-8
D907
C-9
D908
C-9
D909
C-9
D910
D-9
D911
C-9
D912
C-10
D913
D-8
IC402
F-1
IC403
E-2
IC901
D-8
Q901
C-9
Q902
C-9
Q903
C-9
(Page 12)
(Page 12)
Ver. 1.1
•
Semiconductor Location
ICF-M1000
15
15
ICF-M1000
C128
C228
R253
R152
C440
R424
R423
R422
R421
R410
R411
CN304
JC407
C425
C424
C423
C445
C427
R420
IC403
D402
JW903
D912
D911
D910
IC901
C916
C915
C913
C912
C911
D909
C910
Q901
Q902
JW902
Q903
R910
R911
D907
R906
R907
D908
R909
C906
JW904
C909
R908
C905
C904
D904
D903
C903
C902
D902
D901
L901
L902
JW901
C907
R902
R903
R904
D905
C901
D906
C908
R905
D913
C918
R912
T901
R901
C914
RV302
RV301
SW1
C428
C429
C426
IC402
100p
100p
2.2k
2.2k
0.47
220k
220k
1M
1M
1k
47
11P
0
1
0.1
0.1
1
1
220k
TC74VHC14FT
(EKJ)
RB520S-3D
-TE61
1SS133T-77
1SS133T-77
1SS133T-77
XC6201P302PR
0.01
0.01
220
10V
10V
0.01
470
10V
10V
MTZJ-T-77-7.5B
0.01
2SC4154TP
-1EF
2SA1602TP
-1EF
2SC3243
-TP-E
1k
1k
1SS133T-77
10k
4.7k
1SS133T-77
10k
0.01
0.01
4.7k
4700
16V
0.1
1N4002B
1N4002B
0.1
0.1
1N4002B
1N4002B
10
50V
220
470
470
1SS133T-77
0.1
1SS133T-77
220
25V
25V
10k
MTZJ-T-77-15B
1000p
10k
1M
1/2W
1000
10V
50k/50k
50k/50k
220p
220p
0.047
TC7W74FU(TE12R)
GND
VCC
CK
D
Q GND
VCC
CLR
PR
Q
POWER
TRANSFORMER
(AC IN)
Q901-903
+7.5V REGULATOR
G
I
O
+3V REGULATOR
VOLUME
TONE
-1
-1
-2
-2
ROTARY ENCODER
TUNE/TIME SET
LEVEL SHIFT
DIVIDER
7
1
∗NOT REPLACEBLE:
BUILT IN TRNASFORMER
W301
F901
(CND)
(US)
3.15A
125V
5-6. SCHEMATIC DIAGRAM – VOLUME/POWER Section –
•
See page 16 for IC Block Diagrams.
(Page 13)
(Page 13)
Ver. 1.1
ICF-M1000
16
16
ICF-M1000
•
IC Block Diagrams
– MAIN Board –
IC1
CXA1238S
– VOL Board –
IC402
TC7W74FU
VCO
REGULATOR
FM FRONT-END
AM FRONT-END
MPX
REGULATOR
MONO/STEREO
SELECT
DECORD
AMP
MUTING
AUTO
BLEND
TUNING
INDICATOR
AM IF/
DET
FM IF/
DISCRI
RIPPLE
FILTER
BAND-PASS
MUTE
1
27
28
29
30
24
25
26
21
22
23
18
19
20
16
17
2
3
4
5
6
7
8
9
PLL LPF1
PILOT DET LPF2
PILOT DET LPF2
ST IND/VCO CHECK
L-CH OUT
VCC
R-CH OUT
RIPPLE FILTER
AGC AFC1
10
AGC AFC2
13
FM IF IN
14
AM IF IN
15
BAND SELECT
11
GND
12
TUNE IND
1/2
COUNTER
1/2
COUNTER
PD1
PD2
FM/AM FE OUT
FM GND
FM RF IN
AM RF IN
FM RF
REG
FM OSC
AFC
AM OSC
MUTE
FM DISCRI
GND
PLL LPF2
MPX REG
VCO
STANDBY
T.S.D.
BS
FILTER
PRE GND2
PRE GND1
NF2
IN2
IN1
NF1
FIL
TER
STBY
POWER GND
BS1
OUT1
VCC
OUT2
10
3 4 5
6
BS
BS2
2
NC
1
8
9
7
11 12
13
14 15
+
–
–
+
–
–
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
– AMPLIFIER Board –
IC303
BA5417
•
IC Pin Function Description
MAIN BOARD IC401 uPD17072GB-578-1A7-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
NC
O
Not used
3
HP
O
Connection terminal of external capacitor for headphone
"L": radio off or speaker output, "H": headphone output
"L": radio off or speaker output, "H": headphone output
4
SP
O
Connection terminal of external capacitor for speaker
"L": radio off or headphone output, "H": speaker output
"L": radio off or headphone output, "H": speaker output
5, 6
NC
O
Not used
7
9V ON
O
Power amplifier on/off control signal output terminal "H": amplifier on
8
5V ON
O
Power on/off control signal output terminal Not used
9
LINE
O
Mode selection signal output terminal "L": radio mode, "H": line mode
10
BAND/CLOCK
I
BAND/CLOCK key input terminal
11
POWER
I
POWER key input terminal
12
RADIO/LINE
I
RADIO/LINE key input terminal
13
TEST MODE
I
Test mode setting terminal
14
SP/HP
I
Speaker/headphone selection signal input terminal "L": headphone, "H": speaker
15
BAND
O
Band selection signal output terminal "L": FM or line mode, "H": AM
16
MUTE
O
Muting on/off control signal output terminal "L": muting on
17
RADIO
O
Radio on/off control signal output terminal "H": radio on
18
GND
-
Ground terminal
19
EO
O
PLL frequency synthesizer charge pump output terminal
20
VCOL
I
AM VCO input terminal
21
VCOH
I
FM VCO input terminal
22
REG0
O
Voltage regulator output terminal for the PLL
23
VDD
-
Power supply terminal (+3V)
24
XOUT
O
System clock output terminal (75 kHz)
25
XIN
I
System clock input terminal (75 kHz)
26
REG1
O
Voltage regulator output terminal for the oscillator circuit
27
REGLCD0
-
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
28
CAPLCD0
-
Connection terminal of doubler circuit capacitor
29
CAPLCD1
-
Connection terminal of doubler circuit capacitor
30
REGLCD1
-
Connection terminal of doubler circuit capacitor for liquid crystal display drive power supply
31 to 34
COM0 to COM3
O
Common drive signal output to the liquid crystal display
35 to 39
NC
O
Not used
40 to 49
LCD0 to LCD9
O
Segment drive signal output to the liquid crystal display
50
CE
I
Power failure detection signal input terminal
51
ENCODER-CLOCK
I
Serial data transfer clock signal input from the rotary encoder (TUNE/TIME SET)
52
BEEP
O
Beep sound output terminal
53
ENCODER-DATA
I
Serial data input from the rotary encoder (TUNE/TIME SET)
54, 55
INITIAL IN (1),
INITIAL IN (2)
I
Destination setting terminal
56
INITIAL OUT
O
Output terminal for the destination setting
Click on the first or last page to see other ICF-M1000 service manuals if exist.