Sony ICF-CD2000 / ICF-CD2000S Service Manual ▷ View online
ICF-CD2000/CD2000S
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7-5.
SCHEMATIC DIAGRAM – MAIN/JACK Boards –
•
See page 48 for Waveforms.
•
See page 49 for IC Block Diagrams.
(Page 45)
ICF-CD2000/CD2000S
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7-6.
PRINTED WIRING BOARDS – LCD/KEY Boards –
Ref. No.
Location
Ref. No.
Location
• Semiconductor Location
D401
G-18
D402
F-5
D403
F-5
D404
F-6
D405
C-23
D406
D-23
D407
C-15
D408
D-15
D409
G-18
D410
G-8
D411
G-20
D412
F-18
D413
H-8
D417
F-20
D419
F-20
D420
H-20
D421
H-19
D422
G-20
D450
E-14
D451
E-14
IC401
F-7
IC402
G-17
IC403
G-19
Q401
I-8
Q402
J-8
Q403
F-18
Q404
F-20
Q405
F-17
Q406
F-20
Q407
G-18
Q408
G-18
Q410
F-20
Q411
E-14
Q412
D-14
Q413
H-20
Q414
H-20
Q415
J-7
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
z
: Through hole.
•
b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
R449
R448
R447
R463
R751
C473
C472
C415
C421
R464
R465
C471
C470
C469
C468
C467
C466
C465
C485
C484
C478
C477
R487
R467
R414
R432
R452
R415
R461
R433
R460
R424
R484
R408
R489
R490
R491
R492
R416
R417
R410
R409
R412
R411
R474
R466
R413
R480
R407
R406
R420
R419
R418
R499
R422
R421
C487
C488
C489
C414
C422
41
40
25
64
65
80
1
24
C474
C475
(OPEN MAIN)
S401
C476
R405
R404
R403
R402
R401
R475
R451
A
K
A
K
D402
IC401
D403
D404
A
K
A
K
A
K
D410
D413
Q402
Q401
Q415
B C E
BC
E
BC
E
S403
S403
D. S. T.
SUMMER T.
S402
S402
WORLD/
LOCAL
(COMPONENT SIDE)
LCD BOARD
1-673-931-
11
(11)
R445
R434
R454
R488
R453
R495
R435
C486
CN403
LCD401
(LIQUID CRYSTAL DISPLAY)
1
1
5
36
C483
R497
C482
C481
R450
R470
R426
R427
R471 R472
R473
R754
R446
C406
1
1
3
C420
R479
C402
R438
R439
R458
C428
C427
C426
R457
R459
R468
R469
R443
C412
C413
C411
C410
R437
C409
C408
C407
R496
R436
R444
C446
R440
R441
C445
R442
C479
C480
C447
C401 +
CN401
D421
D411
Q414
Q413
A
K
A
K
A
K
R750
A
K
A
K
A
K
A
K
D422
Q408
IC403
Q407
D409
D401
D417
Q406
Q404
Q410
R755
D419
D412
Q403
D450
Q411
Q412
D451
D407
D408
D407, 408
(LCD BACK LIGHT)
Q405
C442
+
C490
+
C405
+
C443
+
C444
C403
+
+
R431
R498
R428
R429
R430
R493
C496
B
C
E
B
C
E
1
32
3
IC402
X402
X401
B C E
B C E
B C E
B
C
E
B
C
E
B C E
B C E
K
K
A
A
K
A
A
D420
K
A
L404
L402
L403
L401
L405
B
C
E
B
C
E
(CONDUCTOR SIDE)
LCD BOARD
1-673-931-
11
(11)
(CHASSIS)
D405
D406
D405, 406
(LCD BACK LIGHT)
BAT401
LITHIUM BATTERY
3V
(FOR BACK-UP)
+
–
+
SP201
(SPEAKER RCH)
MAIN BOARD
CN301
BLK
BRN
–
+
SP101
(SPEAKER LCH)
BLK
BRN
+
(CD2000:E, SP, JE)
(CD2000:US, CND/CD2000S)
(CD2000S)
(CD2000)
11
(11)
1-673-932-
1
5
CN701
(COMPONENT SIDE)
KEY BOARD
11
(11)
1-673-932-
(CONDUCTOR SIDE)
KEY BOARD
R709
R701
R710
R712
R711
R714
R713
R715
R705
R707
R708
R702
R703
R704
S702
SNOOZE
SLEEP OFF/LIGHT
CD
S705
S703
S704
S715
S710
S709
S708
S707
S706
S701
S711
S712
S714
S713
R706
OFF
ALARM RESET
RADIO SLEEP
ALARM
TRACK/STATION
BAND
ALARM
MODE
ALARM
TIME
TUNE/SCAN
TIME SET –
TUNE/SCAN
TIME SET +
5
3
1
4
2
STATION
S710
S708
S706
S709
S707
SELECT/
PRESET
PRESET
1
A
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
B
C
D
E
F
G
H
I
J
A
TP448
(CD TEST 3)
TP449
(GND)
(GND)
TP444
(GND)
(GND)
TP446
(TUNER TEST)
TP447
(CD TEST 2)
TP445
(CD TEST 1)
TP453
(RESET)
TP418
(AFC)
TP419
(REG)
TP429
05
(Page 32)
ICF-CD2000/CD2000S
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6-7.
SCHEMATIC DIAGRAM – LCD/KEY Boards –
•
See page 42 for Waveforms.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
%
: indicates tolerance.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 6 V and fed with regulated dc power
supply from external power voltage jack.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
[
no mark : FM
[
] : CD PLAY
∗
: Impossible to measure
• 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
• Abbreviation
CND : Canadian model
JE
JE
: Tourist model
SP
: Singapore model
(Page 36)
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