Sony ICF-M1000 Service Manual ▷ View online
ICF-M1000
9
9
ICF-M1000
• A
: B+ Line.
• H
: adjustment for repair.
•
Voltages and waveform are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
under no-signal (detuned) conditions.
no mark : FM
(
) : AM
[
] : LINE
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveform are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveform.
•
Signal path.
F
: FM (INTERNAL ANTENNA)
L
: FM (EXTERNAL ANTENNA)
f
: AM
E
: LINE IN
j
: LINE OUT
•
Abbreviation
CND : Canadian model
CND : Canadian model
SECTION 5
DIAGRAMS
•
Note for Printed Wiring Boards and Schematic Diagrams
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
• 2
: nonflammable resistor.
• C
: panel designation.
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Circuit Boards Location
•
Waveform
– MAIN Board –
1
IC401
wf
(XOUT)
500 mV/DIV, 5
µ
s/DIV
13.3
µ
s
1.6 Vp-p
VOL board
KEY board
AMPLIFIER board
MAIN board
LCD board
POWER board
Ver. 1.1
Note:
The components identi-
fied by mark
The components identi-
fied by mark
0
or dotted
line with mark
0
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
Ne les remplacer que par une
pièce por tant le numéro
spécifié.
ICF-M1000
10
10
ICF-M1000
Q402
BC
E
R401
C401
C413
C441
C415
C430
C405
C406
R404
R406
R14
C2
R13
R405
C417
C33
C407
C410
C409
JC402
C402
C403
C404
R425
R426
C431
C432
C434
C433
R427
R428
R429
R430
R431
R432
R433
R437
R415
R447
R446
R438
R408
R409
C439
C446
C438
C420
C418
C442
C443
R419
R416
C422
JC401
JC403
JC409
JC408
JC405
JC404
R434
R435
R436
R403
R402
C421
C412
C411
C419
R443
R417
R30
R11
R22
R15
R17
R23
R12
R16
C23
C43
C24
C22
C19
C13
C17
C42
R18
R21
R20
R10
R29
R25
C45
C44
JC2
C39
TH1
C11
C1
C10
C32
C9
C7
C8
C6
JC1
C5
C4
C12
R5
R2
C27
C26
C28
C25
C36
JC4
JC3
C35
C34
JC406
R24
R31
C436
C447
C448
R407
R442
EC
B
Q401
EC
B
Q2
C37
C3
R1
R8
R9
R3
R4
Q6
Q5
D4
Q4
BC
E
EC
B
Q3
EC
B
Q1
D5
D3
28
29
42
43
1
56
14
15
IC401
CF4
CF3
CF2
IC1
30
1
16
15
L401
X401
T1
CT2
BPF1
L5
L3
L4
CF1
L2
RV1
CT1
MAIN BOARD
1-869-622-
(11, 12)
11, 12
BP401
BP402
R501
R502
D501
D502
LCD401
1
20
1
4
LCD BOARD
1-869-626-
(11, 12)
11, 12
1
4
S101
S103
S102
KEY BOARD
1-869-625-
(11, 12)
11, 12
JW411
JW401
JW14
JW8
JW9
JW5
JW7
JW6
JW1
JW2
JW11
JW10
JW3
JW410
JW409
JW408
JW407
JW13
JW4
JW15
JW16
JW17
JW402
C20
+
C18
+
C16
+
C15
+
C14
+
C29
+
CN2
1
2
18
19
CN403
1
2
20
19
TP9
(MPX)
TP1
(VT)
A
K
TP18
(FM ANTIN)
TP2
(RF GND)
1
3
TP8
(RADIO +B)
1
3
6
4
2C
1C
2B
E
1B
AMPLIFIER BOARD
CN3
A
(SHIELD)
K
A
A
K
A
L1
AM
FERRITE-ROD
ANTENNA
LIQUID CRYSTAL DISPLAY
D501, 502
(LCD BACK LIGHT)
1
14
BAND/
CLOCK
RADIO/
LINE IN
LINE IN
POWER
W403
A
B
C
D
E
1
2
3
4
5
6
7
8
9
10
11
12
W1
5-1. PRINTED WIRING BOARDS – MAIN/PANEL Section –
: Uses unleaded solder.
•
See page 9 for Circuit Boards Location.
Ref. No. Location
D3
B-10
D4
C-10
D5
C-10
D501
D-2
D502
D-3
IC1
C-9
IC401
C-7
Q1
C-10
Q2
B-9
Q3
D-8
Q4
D-8
Q5
E-9
Q6
D-8
Q401
B-8
Q402
B-8
(Page 12)
Ver. 1.1
•
Semiconductor Location
ICF-M1000
11
11
ICF-M1000
C442
C443
R447
C439
C438
R446
R417
R443
C418
C419
C420
JW401
R407
R408
R409
C446
C447
C448
R432
R433
R434
R435
R436
R437
R438
R425
R426
R427
R428
R429
R430
R431
C431
C432
C433
C434
C401
JW409
JW408
R416
R415
C402
C403
R401
X401
JW402
C406
C410
C404
C409
C411
C412
R402
C421
JW1
R405
C25
C36
R22
C20
C19
C18
C17
R14
R13
C23
C43
C24
C42
Q401
R15
C22
R17
C45
C27
R21
R30
R29
C26
R20
R10
R18
C29
C28
JW15
IC1
CN2
JW407
C34
JW17
C39
R442
JW13
R11
R23
RV1
R12
C16
CF1
C15
JW16
R9
JW8
JW6
R8
C4
R2
C3
C2
L4
L3
C14
C13
JW11
D5
R3
C6
C9
C32
C8
C7
C10
C11
JW7
JW9
CN403
R501
R502
TP18
BPF1
CT1
C1
CT2
TP1
C12
C5
JC1
JC2
TH1
TP9
C33
CF4
CF3
CF2
JC3
JC4
TP8
R16
JW4
R31
JW2
C430
C417
Q402
JC409
JC402
L401
220
µH
C441
C405
C407
C415
R404
C436
R403
C413
IC401
BP402
BP401
C422
R419
JW411
JW410
C44
R24
Q2
Q5
JW3
R25
Q6
JW14
JC408
JC406
JC405
JC403
JC404
C35
Q3
Q4
LCD401
W403
D501
D502
S101
S102
S103
R406
JW5
JW10
C37
TP2
R5
R4
R1
T1
JC401
L1
D3
L2
L5
Q1
D4
1
1
4.7k
0.01
0.01
4.7k
100k
100k
0.01
0.01
0.01
10k
10k
10k
100p
100p
100p
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
47k
220p
220p
220p
220p
0.1
10k
10k
0.01
0.1
47k
75kHz
10p
1
0.1
0.1
1000p
0.01
10k
0.1
10k
1
0.01
220k
47 16V
1
4.7
50V
0.01
100
2.2k
4700p
2200p
4700p
2200p
2SC4154TP-1EF
10
1
10k
0.047
1
4.7k
100k
100k
1
4.7k
100k
2.2k
4.7
50V
50V
0.47
CXA1238S
19P
4700p
100p
100k
100k
220k
22k
10k
10
50V
2.2
50V
470
10k
1000p
100k
1000p
5p
100 16V
0.01
SVC347S-TL
10k
0.01
220p
1000p
220p
10p
10p
5p
20P
220
220
10p
2p
10p
0
0
100p
0
0
10k
100k
100p
0.01
2SC4154TP-1EF
0
0
1
5p
47p
0.22
10k
0.1
10k
470p
-1A7-A
µPD17072GB-578
0.01
47k
0.047
0
RT1N441M-TP-1
RT2N21M-TP
0
RT3AMMM
0
0
0
0
0
4700p
RT1P144M-TP-1
RT1N140M-TP-1
SDPW50H0C0000-JP
SDPW50H0C0000-JP
100k
100p
2.2k
1M
100k
0
HVC202B-TRU
2SC3931-C-TX
HVC202B-TRU
L
C
D
3
L
C
D
4
LC
D
5
L
C
D
6
L
C
D
7
LC
D
8
L
C
D
9
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
BAND
POWER
RADIO
BAND
POWER
RADIO
LINE
9V ON
B
A
N
D
M
U
T
E
1
V
T
E
-D
A
T
A
B
E
E
P
C
L
O
C
K
E-DATA
CLOCK
9V ON
MUTE1
LINE
BAND
BEEP
VT
VCOH
VCOL
R
O
N
R ON
BAND
E
O
V
C
O
L
V
C
O
H
LCD1
LCD2
COM0
COM1
COM2
COM3
COM0
COM1
COM2
COM3
EO
LCD0
COM0
COM1
COM2
COM3
NC
NC
NC
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
LCD8
LCD9
CE
ENCO
DER-CLOCK
BEEP
ENCODER
-DATA
INITIAL IN
(1)
INITIAL IN
(2)
INITIAL OUT
NC
NC
HP
SP
MUTE2
NC
LINE
BAND/CLOCK
POWER
RADIO/LINE
SP/HP
9V ON
5V ON
TEST MODE
CAP
LCD1
REG
LCD1
LCD1
REG
LCD1
CAPLCD0
REGLCD0
REG1
XIN
XOUT
VDD
REG0
GND
M
UTE1
BAND
RADIO O
N
GND
VCC
BAND
SELECT
SELECT
AM
IFIN
IFIN
FM
IFIN
IFIN
TUNE
IND
IND
ACC/
AFC2
AFC2
ACC/
AFC1
AFC1
RIPPLE
FILTER
FILTER
LCH
OUT
OUT
RCH
OUT
OUT
ST_IND/
VCOCHECK
VCOCHECK
PILOTDET
LPF2
LPF2
PILOTDET
LPF1
LPF1
PLL
LPF1
LPF1
REG
AFC
MUTE
VCO
GND
FE OUT
FM/AM
FE GND
RF IN
FM
AM
RF IN
FM RF
FM OSC
AM OSC
FM
DISCRI
MPX
RED
PLL
LPF2
(FM ANTIN)
(RF GND)
FM RF
FM OSC
AM OSC
FM VCO
BUFFER
B.P.F.
(MPX)
AM IFT
BAND SELECT SWITCH
(RADIO B+)
Q401,402
VCOH
VCOL
EO
NC
NC
SYSTEM CONTROLLER
RADIO ON
SWITCH
MUTING
-2
-1
-1
BAND SELECT SWITCH
Q3,4
LIQUID CRYSTAL DISPLAY
D501,502
(LCD BACK LIGHT)
BAND/CLOCK
POWER
RADIO/LINE IN
LOW-PASS FILTER
20
1
4
1
1
4
FM/AM FRONT-END,FM/AM DET,MPX
AM FERRITE-ROD
ANTENNA
(VT)
W1
5-2. SCHEMATIC DIAGRAM – MAIN/PANEL Section –
•
See page 9 for Waveform.
•
See page 16 for IC Block Diagrams.
•
See page 16 for IC Pin Function Description.
(Page 13)
ICF-M1000
12
12
ICF-M1000
Q308
BC
E
R314
C112
C437
C227
C226
C225
C224
C223
C215
R251
R244
R215
R218
C231
C236
C205
C121
C106
C137
C105
C40
C314
C38
C41
C132
C232
L302
L301
R28
R26
C136
R320
R115
R116
R154
R113
R305
R108
R213
R103
R107
C102
C202
C307
R106
R27
R155
R153
R142
R102
R202
R203
R208
R104
R205
R206
R207
R304
R204
C221
R216
C237
C206
R117
R118
C131
R256
R217
R143
R149
R243
JC201
R255
R144
C125
C124
C127
C126
C234
C46
C444
C47
R101
R201
R302
C204
C104
R150
C123
C115
C134
R252
R151
R246
R245
R254
R445
R222
R122
C116
C216
C135
C120
C220
C30
C435
C235
R132
R134
R309
R308
R233
R257
R221
R121
C212
C308
R133
R232
R234
R135
R236
R235
R307
R311
R310
R260
R237
R240
R137
R239
R238
R259
C233
R261
R159
C133
R157
R136
R313
R141
R315
R242
L303
R158
R139
R140
R418
R412
R241
R138
EC
B
Q309
EC
B
Q405
EC
B
Q404
EC
B
Q403
EC
B
Q307
EC
B
Q205
EC
B
Q105
EC
B
Q306
EC
B
Q204
EC
B
Q106
EC
B
Q310
EC
B
Q301
Q302
BC
E
Q206
BC
E
Q202
BC
E
Q201
BC
E
Q102
BC
E
Q103
BC
E
Q203
BC
E
Q101
BC
E
EC
B
Q104
EC
B
Q7
R211
R212
R210
R209
C111
C211
R105
R111
R112
R258
R124
R110
R109
R156
R123
R125
R224
R223
R225
4
1
5
8
IC304
IC303
AMPLIFIER BOARD
8
1
4
5
IC302
1-869-623-
(11, 12)
11, 12
C219
+
C119
+
C309
+
C218
+
C306
+
C117
+
C217
+
C118
+
C305
+
C229
+
C109
+
C129
+
C209
+
C122
+
C222
+
JW333
JW329
JW330
JW331
JW332
JW334
CN301
1
2
CN305
1
1
15
7
JW324
JW317
JW323
JW327
D101
D201
CN303
1
2
11
10
JW311
JW310
JW322
JW312
JW336
JW335
JW313
JW314
JW319
JW303
JW301
JW350
JW307
JW304
JW326
JW318
JW315
JW348
JW337
JW321
JW346
JW349
JW339
JW320
JW316
JW328
JW325
JW340
CN3
1
2
18
19
C301
+
C302
+
C203
+
C103
+
C114
+
C214
+
C310
+
C101
+
C201
+
JW309
JW308
JW341
JW343
JW351
JW342
JW305
JW352
JW302
J301
J302
CN1
D301
JW345
JW344
JW347
JW338
EXT
R
INT
S1
8
5
1
4
IC301
J303
i
PS301
POWER
BOARD
B
VOL BOARD
CN304
C
MAIN BOARD
CN2
A
FM ANTENNA
SELECTOR
LINE IN
LINE OUT
FM ANTENNA
75
Ω
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
RED
GRY
GRY
RED
W301
W1
5-3. PRINTED WIRING BOARD – AMPLIFIER Section –
: Uses unleaded solder.
•
See page 9 for Circuit Boards Location.
(Page 14)
(Page 14)
(Page 10)
Ver. 1.1
Ref. No. Location
Ref. No. Location
D101
B-4
D201
B-4
D301
E-6
IC301
E-8
IC302
C-7
IC303
D-3
IC304
C-5
Q7
D-9
Q101
D-7
•
Semiconductor Location
Ref. No. Location
Q102
D-7
Q103
D-7
Q104
C-7
Q105
C-5
Q106
D-6
Q201
E-7
Q202
E-7
Q203
E-7
Q204
C-6
Q205
C-4
Q206
E-5
Q301
E-6
Q302
E-6
Q306
C-3
Q307
C-4
Q308
D-4
Q309
D-2
Q310
E-5
Q403
D-4
Q404
E-3
Q405
F-2
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