Sony ICF-CD830 / ICF-CD830L Service Manual ▷ View online
9
9
ICF-CD830/CD830L
3-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –
Note on Schematic Diagrams:
• All capacitors are in
• 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.
•
¢
: internal component.
• 5 : fusible resistor.
• C : panel designation.
• H : adjustment for repair.
• C : panel designation.
• H : adjustment for repair.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
! or dotted
line with mark
! 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
! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
7,8
.
.
171
271
DTC114YKA
• Voltages are taken with a VOM (Input impedance 10
M
Ω).
Voltage variations may be noted due to normal pro-
duction tolerances.
duction tolerances.
• Signal path.
F
: FM
J
: CD
• Abbreviation
AUS
: Australian model.
CND : Canadian model.
IT
IT
: Italian model.
SP
: Singapore model.
10
10
ICF-CD830/CD830L
3-6. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –
Note on Schematic Diagrams:
• All capacitors are in
• 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.
•
¢
: internal component.
• A : B+ Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Refer to page 14 for IC Block Diagrams. • Refer to page 15 for IC Pin Function Description.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
! or dotted
line with mark
! 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
! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
J
: CD
• Abbreviation
AUS
: Australian model.
CND : Canadian model.
IT
IT
: Italian model.
SP
: Singapore model.
1.0 V/DIV, 100
n
s/DIV
1.0 V/DIV, 10 ns/DIV
1
IC401 ug (X2)
(CD PLAYMODE)
3
IC501 rk (XOUT)
(CD PLAYMODE)
3.7 Vp-p
239 ns
3.9 Vp-p
29.5 ns
1.0 V/DIV, 10
µ
s/DIV
2
IC401 ua (XT2)
3.4 Vp-p
30.6
µs
C556 0.022
R557 2.2k
11
11
ICF-CD830/CD830L
2-7. PRINTED WIRING BOARD – MAIN SECTION –
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
IC402
IC551
IC371
IC1
IC501
IC401
R557
C556
MAIN BOARD
E
Q901
E
Q902
R904
R909
R903
R908
D908
D907
C909
C913
C906
C910
1
15
W702
A
TO
KEY
BOARD
W702
(Page 12)
D
TO
LED
BOARD
W701
(Page 12)
1
1
3
20
LCD401
(LIQUID CRYSTAL DISPLAY)
1
D402
D401
W701
X401
X402
C434
C447
C411
D403
D404
C
TO
TRANSFORMER
BOARD
CN901
(Page 12)
KH901
B
TO
MOTOR (6P)
BOARD
(Page 12)
1
6
CN551
C551
C503
C501
C540
C545
C435
Q501
1
2
16
15
CN501
TO
OPTICAL
PICK-UP
BLOCK
(KSS-213C)
C510
C516
EXCEPT CD830:US, CND
EXCEPT
CD830:AEP, SP
E
Q502
E
C521
C520
C526
C522
C525
X501
E
E
E
E
E
E
E
E
E
E
C301
CD830:US, CND
D301
C377
C373
C174
C272
C172
C151
C251
C20
C18
C21
C274
C302
C175
C275
C351
C9
L3
L2
C276
C176
CN371
1
6
(SPEAKER)
CN372
SP171
(L-CH)
(L-CH)
(R-CH)
S401
(OPEN/CLOSE)
SP271
6
1
1
15
RV351
VOLUME
CF2
1
30
16
15
CF3
T1
BPF1
3
1
CV1
TUNING
CD830L
CD830L
E
E
CT5
CT6
CT2
CV1-2
CV1-1
CV1-4
CV1-3
CT1
CT4
CT3
11
1-682-942-
(11)
L1
S1
BAND
ANT1
(FM ANTENNA)
AM
FM
(CD830)
LW
MW
FM
(CD830L)
C13
C12
C15
C14
C23
L3
L4
S1
RV1
CF1
CD830:US,CND
1
R426:
EXCEPT CD830:US,CND
R427:
CD830:US,CND
R428:
CD830:AEP,IT,SP/CD830L:AEP
R429:
CD830:US,CND,AUS/
CD830L:UK
R426:
EXCEPT CD830:US,CND
R427:
CD830:US,CND
R428:
CD830:AEP,IT,SP/CD830L:AEP
R429:
CD830:US,CND,AUS/
CD830L:UK
21 20
1
80
61
60
41
40
60
61
80
1
20 21
40
41
1
28
14
15
1
2
A
B
C
D
E
F
G
H
I
3
4
5
6
7
8
9
10
11
12
Ref. No.
Location
D1
G-9
D301
E-7
D351
C-11
D401
B-5
D402
B-6
D403
D-3
D404
F-3
D907
B-2
D908
C-2
IC1
F-11
IC371
C-8
IC401
C-5
IC402
C-7
IC501
G-6
IC551
H-3
Q1
E-9
Q2
I-11
Q3
I-11
Q101
E-8
Q131
E-12
Q151
C-11
Q201
E-8
Q231
E-12
Q251
C-12
Q351
D-9
Q372
C-8
Q373
C-8
Q501
G-5
Q502
E-6
Q901
B-2
Q902
C-2
• Semiconductor
Location
• Abbreviation
AUS
: Australian model.
CND : Canadian model.
IT
IT
: Italian model.
SP
: Singapore model.
12
12
ICF-CD830/CD830L
2-8. PRINTED WIRING BOARD – CONTROL SECTION –
M572
SLED MOTOR
M571
SPINDLE MOTOR
S570
(LIMIT)
B
TO
MAIN
BOARD
CN551
(Page 11)
A
TO
MAIN
BOARD
W702
(Page 11)
KEY BOARD
1-682-944-
11
(11)
1
15
S603
CLOCK
S601
CD
W702
S609
RADIO ON
S613
SNOOZE
S612
OFF
S611
S602
CD PLAY
MODE
S606
ALARM
MODE
S605
SUMMER T.
D.S.T.
S608
TIME SET
D
TO
MAIN
BOARD
W701
(Page 11)
LED BOARD
MOTOR (6P) BOARD
D651
BUZZER
D652
RADIO
D653
CD
1
4
1-682-943-
11
(11)
ALARM
C
TO
MAIN
BOARD
KH901
(Page 11)
TRANSFORMER BOARD
1-682-941-
11
(11)
CN901
T901
D904
D903
D906
D905
D901 D902
AC IN
TM901
TM902
W701
ALARM SET
RADIO
S607
ALARM SET
BUZZER
S610
ALARM SET
CD
S604
1-639-678-
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
Click on the first or last page to see other ICF-CD830 / ICF-CD830L service manuals if exist.