Sony ICF-CD863 / ICF-CD863L Service Manual ▷ View online
ICF-CD863/CD863L
16
16
63
HP ON
52
BUZZER
60
POWER ON
61
A MUT
76
RESET
48
CD ON
RADIO ON 59
NAP LED
CD LED
RADIO LED
BUZZER LED
68
BACK LIGHT1
42
AUTO DIMMER
49
AC IN
62
HP SW
SYSTEM CONTROLLER
IC401 (2/2)
L OUT 3
R OUT
STBY
5
8
R IN
11
L IN
12
BUFFER
Q309
LINE AMP
Q359
MUTING
Q151
B+ SWITCH
Q1
RV351
R-CH
R-CH
R-CH
R-CH
D303
Q302
MEGA BASS
FEED BACK
SWITCH
Q357, 363
STANDBY
SWITCH
Q351, 352
STANDBY
SWITCH
Q351, 352
HEADPHONE
DETECT
Q305
MUTING
CONTROL
SWITCH
Q360
MUTING
CONTROL
SWITCH
Q361
+5V
REGULATOR
Q951
LIQUID CRYSTAL DISPLAY
LCD401
+6V
REGULATOR
Q953
+3.3V
REGULATOR
Q952
+4V
REGULATOR
Q405
POWER AMP
IC351
OUT 2 3
OUT 1 5
STBY
8
BASS IN
12
POWER AMP
IC352
O/I4
10
O/I3
9
I/O3
8
I/O4
11
INPUT SELECT
IC303
D357
MUTING
Q307
MUTING
Q358
Q301
Q306
Q101
Q201
HEADPHONE
SWITCH
Q101, 201
T901
POWER
TRANSFORMER
D403 – 406
4V
D407 – 412
(LCD BACK LIGHT)
Q403,
Q404
Q404
SP101
(L-CH)
(L-CH)
SP301
(WOOFER)
SP201
(R-CH)
J301
(HEADPHONE)
i
(AC IN)
RECT
D902, 903
VT
3.3V
MOTOR 6V
TU 3.3V
CD 3.3V
TU 3.3V
CD 3.3V
RECT
D905, 906
RECT
D907 – 910
B+ SWITCH
Q305
67
BACK LIGHT0
XT2
XT1
X2
X1
4V
LCD 3.3V
5V
RESET SIGNAL
GENERATOR
IC402
LOW-PASS
FILTER
IC302
BRIGHTNESS
SENSOR
IC403
D401
70
71
X401
32.768kHz
74
75
X402
4.19MHz
65
VR DATA
64
VR CLK
77 – 80
KEY0 – KEY3
43 – 46
COM0 – COM3
6 – 9
SEG0 – SEG27
10 – 37
Q401,
Q402
Q402
Q401 – 404
LED DRIVE
LED DRIVE
S601 – 621,
651, 652
: CD PLAY
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: TUNER
51
BUZZER MUTE
MUTING
Q152
MUTING
Q353, 354
R-CH
D352
3.3V
C
(Page 15)
A
(Page 14)
+
1
LOGIC
CONTROL
4
5
2
ELECTRICAL VOLUME
IC301
L IN
L OUT
VR DATA
6
C3
12
C4
VR CLK
RV401
AUTO
BRIGHTNESS
5-3.
BLOCK DIAGRAM – MAIN Section –
ICF-CD863/CD863L
17
17
5-4.
NOTE FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAMS
• Circuit Boards Location
Note on Printed Wiring Boards:
•
•
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.)
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.
Note on Schematic Diagram:
• 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.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• 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.
F
: FM
f
: AM
J
: CD
• Abbreviation
CND : Canadian model
IT
IT
: Italian model
KEY board
LCD board
DIMMER board
MAIN board
CD board
HEADPHONE board
VOLUME board
TRANSFORMER board
AMP board
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-CD863/CD863L
18
18
5-5.
PRINTED WIRING BOARD – CD Section –
•
See page 17 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
IC701
C-4
IC702
H-3
Q701
F-5
M702
(SLED)
S701
(LIMIT)
C732
CNP701
X701
CNP702
C702
JW701 JW702
JW703
JW705
JW706
JW707
JW708
JW709
JW713
JW714
JW716
JW717
JW718
JW721
JW722
JW723
JW724
JW725
JW726
JW727
JW728
JW729
JW730
C740
C750
C746
C747
JW719
C735
JW720
JW711
C733
C706
JW712
JW710
JW715
Q701
IC702
C729
C730
R730
R728
R729
C704
R708
C728
R724
R722
R725
R726
R707
C701
C726
C723
C725
C724
R719
R717
R718
R716
C720
C721
C722
R731
R721
R720
C716
R715
R714
C727
C711
C709
FB701
C736
C734
R709
C705
R704
R702
R711
R710
R703
R705
R701
C703
C731
R706
C738
C739
R727
R712
R723
C708
R741
JC701
R743
C751
JC702
C743
C744
C745
C742
C754
C755
C741
JC704
C707
L706
C717
R744
IC701
CD BOARD
A
MAIN BOARD
CN302
M
M
M701
(SPINDLE)
1-680-943-
13
(13)
C
D
E
F
G
H
1
2
3
4
5
6
7
8
A
B
TP
(GND)
TP
(RF)
OPTICAL
PICK-UP
BLOCK
(KSS-213R)
(Page 21)
ICF-CD863/CD863L
19
19
5-6.
SCHEMATIC DIAGRAM – CD Section –
•
See page 20 for Waveforms.
•
See page 28 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD STOP
[
no mark : CD STOP
[
] : CD PLAY
JC703
C736
C707
C706
C738
C739
C732
C751
C733
C750
C743
C742
C708
C734
TP
C701
TP
R711
R708
R710
C703
R709
C704
C731
Q701
R707
IC701
R712
R706
R705
R704
R703
R702
R701
CNP701
C702
R724
C747
C730
C744
C729
C728
R725
R726
R728
R727
R729
R730
C746
C745
R731
C717
JC704
X701
FB701
R715
C716
C711
R714
C735
C755
C754
L706
R721
R718
R716
R717
R720
R719
R722
R723
CNP702
C727
C726
C725
C724
C723
C722
C721
C720
C740
C741
R741
R744
R743
IC702
C709
M702
M701
S701
C705
JC701
JC702
0
4700p
1
1
50V
0.1
0.1
100
10V
10V
0.1
100
10V
10V
100
10V
10V
0.1
0.1
100p
4700p
(VC)
(FE)
(TE)
(GND)
1000p
(RF)
330
10k
4.7k
0.1
22k
22p
0.047
KTN2907AS-RTK
10
LC78645NE-U
100
47k
15k
15k
15k
15k
47k
16P
47
10V
47k
100
10V
10V
0.1
0.1
1
0.047
680
680
10k
2.2k
220
1k
100
10V
10V
0.1
2.2k
0.01
220
33.8688MHz
150
0.01
0.01
150
1000
6.3V
0.01
0.01
(L-CH)
(R-CH)
1k
1k
1k
1k
100
100
100
100
14P
1000p
1000p
1000p
22p
0.01
22p
22p
22p
470
10V
10V
0.1
6.8k
100k
6.8k
BA6998FP-E2
0.1
4700p
0
0
A9
A10
A9
A10
A1
A
1
A2
A
2
A8
A
8
A4
A
4
A3
A
3
A5
A
5
A6
A
6
A7
A
7
B1
B
3
B
5
B
1
B
3
B
5
C1
C2
C3
C4
C
1
C
2
C
3
C
4
B
2
B
4
B
2
B
4
E
D
A
B
C
F
LD
VR
PD
F+
T+
T-
F-
SW
GND
VCC
M
UTE
S
P
+
S
PIN
S
P-
SL-
S
L+
R
EG
O
V
CC
VR
EF
F-
F+
T-
T
+
R
ST
DRF
*RES
DO
DI
CL
CE
VREF
VCC
GND
FSEQ
*WRQ
R
EG-B
GN
D
G
N
D
GN
D
NC
O
P
O
U
T
OP
IN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FD
O
SPD
O
S
LD
O
GP
D
AC
C
O
N
T4
CO
NT
5
S
B
CK
/CO
N
T6
SB
C
K/FG
D
EFECT
V
/*P
FS
EQ
M
ON
I1
M
IN
I2
M
O
N
I3
M
O
NI4
M
O
N
I5
(3
.3
V)VS
S
V
D
D
DO
UT
TEST
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
C
E
CL
DI
D
O
*W
R
Q
*R
ES
DR
F
VD
D
5
V
S
S
C
O
N
T3
CO
N
T2
CON
T1
P
D
O
1
P
D
O
2
VV
S
S
PCKIS
T
VV
D
D
FR
LD
S
LD
D
SLCO
TX
TY
FX
FY
SPY
S
PX
S
LX
S
LY
S
LIN
(S
LIN)
FIN
(FIN
)
T
IN
(TIN
)
(LIMIT)
SL+
SL-
SP-
SP+
(SLED)
(SPINDLE)
AUTOMATIC
POWER CONTROL
RF AMP,FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO,D/A CONVERTER
COIL DRIVE,
FOCUS/TRACKING
SPINDLE/SLED
MOTOR DRIVE
MOTOR DRIVE
P-GND
CD MOTOR 6.0V
CD R-OUT
CD L-OUT
D-GND
CD VDD 3.3V
(Page 22)
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