Sony ICF-1000L Service Manual ▷ View online
– 9 –
– 10 –
ICF-1000L
4-1. BLOCK DIAGRAM
SECTION 4
DIAGRAMS
MW
ANT
ANT
LW
ANT
SW
ANT
FM
MW
LW
SW
SW
LW
MW
FM
FM
MW
LW
SW
SW
LW
MW
FM
L2-1, CT1
L2-2, CT2
L3, CT3
SW
OSC
AM
FE
FM
SW
DET
FM
BPF
FM FE
FM
OSC
L5, CT5
MW/LW
OSC
CT4, L4
B+
CT6
S1-3
TUNING
CV1-1
TUNING
CV1-2
S1-5
S1-7
S1-4
S1-6
(LW)
AM
ANT
FM
ANT
FM IF
TUNING
METER
LPF
CONT
TONE
MUTE
MUTE
DRIVE
AM IF
DET/AGC
FM
RF
FM
OSC
D2, 3
L7,L8, L9,
CT7, CT8
BPF1
Q1
ANT1
FM/SW
TELESCOPIC
ANTENNA
6
11
13
15
24
10
8
CF2
10.7MHz
CF3
10.7MHz
CF5
CF1
455kHz
18
20
17
3
CF4
10.7MHz
Q6-8
Q502, 503
Q501
Q504
TONE
RV501
PON 3V
S1-1
(LW/SW)
RV502
VOLUME
IC1
FM/AM FRONT-END
IF, DET
PON 3V
S1-1
(FM)
(FM)
Q9
Q202
D201
D6
KI/02
KI/06
KI/04
KI3
17
1
14
19
KI/05 20
KI/07 2
KI/01 16
IC201
KEY IN CONTROL
IC202
IC202
IC202
IC202
13
1
2
IC205
SWITCH
RV202
FM1
12
11
10
RV203
FM2
6
9
8
RV201
FM3
RV204
FM VT
VOLTAGE
5
3
4
RV205
(FM TUNING)
FM3
FM2
FM1
KI0
11
KI1
12
KI2
13
XIN
7
XOUT
8
CN201
POWER
CONT
POWER
CONT
ON/OFF
DRIVE
Q102, 103
PON 6V
3V
TU 6V
Q101
RIPPLE
FILTER
Q10
3
5
2
DC/DC
CONV
CONT
CONT
IC101
3
2
3V
REG
IC204
5
2
9
11
IC601
POWER AMP
VT
D301
TUNE
FM3
SW303
FM2
SW302
FM1
SW301
FM3
D303
FM2
D304
FM1
D302
MANUAL
SW304
FM1
FM2
FM3
KEY BOARD
MAIN BOARD
X201
3.68MHz
PON 6V
Q201
3V
Q203
PON 3V
EPJ401
SP1
SPEAKER
S401
D401-404
OPERATION
STANDBY
ON
PON 6V
6V
D101
ACJ401
AC IN
T401
POWER
TRANSFORMER
POWER BOARD
AC IN BOARD
AMP BOARD
02
AM
OSC
T1
455kHz
5
7
9
11
2
1
14
13
CT4, L4
MW FREQUENCY
COVERAGE
CT1, L2-1
MW
TRACKING
T1
MW
IF
CT6
LW FREQUENCY
COVERAGE
CT2, L2-2
LW
TRACKING
CT5, L5
SW FREQUENCY
COVERAGE
CT3, L3
SW
TRACKING
CT8, L9
FM FREQUENCY
COVERAGE
CT7, L7, L8
FM
TRACKING
• Signal path
: MW
: FM
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
4PCS, 6V
v
CN405
CN401
CN602
CN601
– 11 –
– 12 –
ICF-1000L
4-2. PRINTED WIRING BOARDS (1/2)
D401
D-5
D402
C-5
D403
C-5
D404
D-5
IC601
D-2
Ref. No.
Location
z
Semiconductor
Location
Note:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
02
AC IN BOARD
AMP BOARD
POWER BOARD
2
3
4
5
6
7
8
A
1
B
C
D
E
11
(11)
1-678-893-
11
(11)
1-678-892-
11
(11)
1-678-894-
ACJ401
-
AC IN
T401
POWER TRANSFORMER
A
MAIN BOARD
(Page 14)
B
MAIN BOARD
(Page 13)
C609
C610
C612
C611
C404
R606
R604
R603
R601
R607
R605
R403
R402
R405
R404
R401
R602
C604
C607
C401
C407
C403
C408
D404
D401
D403
D402
1
CN401
JW404
JW403
JW402
JW401
C402
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION R6)
4PCS, 6V
C405
C406
L401
SP1
SPEAKER
+
–
–
+
EPJ401
v
S401
OPERATION
STANDBY
R
ON
CN602
2 1
YEL
YEL
BLU
CN601
4
1
C605
C602
C603
C606
C601
C608
IC601
3
2
1
6
5
4
7
8
9
10
11
12
3
CN405
YEL
3
2
1
2
1
YEL
– 13 –
– 14 –
ICF-1000L
4-3. PRINTED WIRING BOARDS (2/2)
Note:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
D1
C-7
D2
E-6
D3
E-5
D5
F-4
D6
B-6
D101
G-3
D201
B-10
D202
D-7
D203
G-4
D301
D-10
D302
G-10
D303
E-10
D304
F-10
IC1
F-5
IC101
G-3
IC201
C-9
IC202
B-9
IC204
E-7
IC205
B-8
Q1
B-7
Q3
F-6
Q4
F-6
Q5
G-6
Q6
G-6
Q7
F-6
Q8
F-6
Q9
B-5
Q10
F-7
Q101
G-3
Q102
G-4
Q103
G-4
Q201
C-10
Q202
B-10
Q203
C-8
Q501
E-3
Q502
E-2
Q503
F-2
Q504
F-2
Ref. No.
Location
z
Semiconductor
Location
02
R303
C209
C208
C202
JC301
JC302
JC303
R202
R204
R206
R205
C205
R203
R9
R16
R17
R305
R306
R1
R302
R301
C203 C204 C206
C20
C207
C303
C304
C301
R304
R307
C302
C3
C1
L1
C2
Q201
Q202
Q1
Q203
D302, SW301
FM1
D304, SW302
FM2
D303, SW303
FM3
D301, SW304
MANUAL
KEY BOARD
MAIN BOARD
SW301
SW302
11
(11)
1-678-891-
11
(11)
1-678-890-
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
1
5
9
1
5
9
CN201
A
POWER BOARD
CN401
(Page 11)
B
AMP BOARD
CN602
(Page 11)
B
C
E
Q10
BLU
JW20
JW19
JW18
JW17
JC30
IC204
4
5
1
3
3
R221
JC3
R220
R219
R218
R209
R210
R208
R212
R211
R213
R10
R8
R14
R12
R6
R4
R214
R215
R3
R2
R13
L10
L6
R509
R513
R19
C106
C103
C506
C21
C12
C39
C6
C501
C44
C32
C509
C25
C26
C45
R18
R102
R105
R106
R101
R216
D203
D5
R104
R501
R20
R505
R508
R510
R512
R511
R502
R503
R506
R507
R515
R514
R103
R107
L101
R21
C31
C42
C503
C507
C508
C504
C104
C43
D101
C30
C29
C29
C35
C37
C13
C14
C17
C16
D3
D202
R5
C15
C38
D2
C4
C5
JC12
R201
JC18
JC14
JC15
JC16
JC17
JC19
JC25
JC33
JC26
JC29
JC23
JC22
JC21
JC13
JC20
JC6
JC8
JC7
JC24
JC31
JC32
C41
C201
JC28
JC27
JC11
JC10
JC4
JC2
JC1
Q5
Q8
Q6
Q103
Q102
Q7
Q3
Q504
Q502
Q503
Q501
Q4
Q9
ECB
Q101 L102
R207
1
5
7
8
10
14
IC202
BLU
GRN
CT2
CT1
CT5
L5
AF
GND
T1
CF5
CF3
CF2
CF1
FM ANT
1
5
10
11
15
20
IC201
1
5
7
8
10
14
IC205
C27
C36
C28
C24
C23
C22
C105
C107
C101
RV205
(FM TUNING)
RV202
RV203
RV201
RV501
TONE
RV502
VOLUME
RV204
1
1
2
3
4
5
15
16
20
25
30
IC1
R11
IC101
1
3
4
5
3
1
2
L8
L7
TP2
(VT)
C9
CT6
C8
C11
C10
C7
FM/U
t
MW/M
t
LW/K
t
SW/K
S1
(BAND)
L2-1
MW
L2
MW/LW
FERRITE-ROD
ANTENNA
L2-2
LW
FM
PRESET
S1-4
S1-3
S1-6
S1-7
S1-1
S1-2
S1-8
S1-5
FM1
FM2
FM3
WHT
WHT
RED
CLEAR
CLEAR
RED
BLK
BLU
GRN
BLK
JW2
JW1
JW4
JW6
JW7
CT3
L3
JW3
JW9
JW10
JW11
JW12
JW13
JW5
JW14
JW15
JW16
L4
MW/LW OSC
CT4
CV1-2
CV1-1
JW22
JW21
CV1
TUNING
CF4
L9
CT8
CT7
RV502
RV501
JW25
JW23
ANT1
FM/SW
TELESCOPIC ANTENNA
X201
JW24
BPF1
D201
D1
D6
C19
ECB
ECB
ECB
ECB
ECB
BCE
BCE
BCE
BCE
BCE
BCE
BCE
ECB
ECB
ECB
ECB
ECB
D301
D303
D304
D302
– 15 –
– 17 –
– 16 –
ICF-1000L
4-4. SCHEMATIC DIAGRAMS
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
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.
Note: The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
•
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 6 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW/LW/SW
• Voltages are taken with a VOM (Input impedance 10
M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: MW
z
Waveform
1
Q101
C
(Band : FM)
VOLT/DIV : 5 V AC
TIME/DIV : 1 msec
TIME/DIV : 1 msec
12 Vp-p
Click on the first or last page to see other ICF-1000L service manuals if exist.