Sony ICF-CD830 / ICF-CD830L Service Manual ▷ View online
13
13
ICF-CD830/CD830L
3
-9. SCHEMATIC DIAGRAM – CONTROL SECTION –
Note on Schematic Diagrams:
• 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.
•
C
: panel designation.
•
A
: B+ Line.
Note:
The components identi-
fied by mark
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
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.
14
14
ICF-CD830/CD830L
3-10. IC BLOCK DIAGRAMS
IC551 BA6898FP-E2
+
–
LEVEL SHIFT
28
27
26
25
24
22
21
20
19
18
17
16
+
–
LEVEL SHIFT
+
–
VCC
VCC
+
–
–
LEVEL SHIFT
+
–
–
LEVEL SHIFT
1
2
3 4 5 6
7 8
9 10
11
12 13
14
REGULATOR
BIAS, T. S. D
BIAS, T. S. D
MONITOR
+
–
DRIVER
MUTE
+
–
15
23
NC
GND
OUT4-B
OUT4-A
IN4
IN4
,
VREF IN
VCC
VCC
IN3
,
IN3
OUT3-A
OUT3-B
NC
OPIN-B
OPOUT
GND
OUT2-B
OUT2-A
IN2
IN2
,
GND
MUTE
REGOUT
REG-B
RESET
IN1
OUT1-B
OUT1-A
IC1
CXA1238N
IC501 LC78645NE
30
29
4
5
6
7
8
9
10
11
12
13 14 15
3
2
1
28 27
26 25 24 23 22 21
20
19
18
17
16
REG
FM FRONT-END
AM FRONT-END
VCO
MPX REG.
1/2
COUNTER
1/2
COUNTER
PD1
PD2
MUTING
DECODER AMP
MONO/ST
SELECT
RIPPLE
FILTER
AUTOBLEND
BAND PASS
MUTE
TUNING
INDICATOR
FM IF/
DISCRI
AM
IF/DET
GND
PLL LPF
MPX REG
VCO
FM
DISCRI
MUTE
AM OSC
AFC
FM OSC
REG 1.25V
FM RF
AM RF IN
FM RF IN
BAND SELECT
AM IF IN
FM IF IN
TUNING
GND
VCC
L CH OUT
R CH OUT
VCO
PILOT LPF
DET
PLL LPF
AFC/AGC
AGC AFC
RIPPLE
FIL
TER
FE GND
FM/AM
FE OUT
SLCO
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN1
FIN2
FIN2
TIN1
TIN1
TIN2
TIN2
VREF
REFI
FE
TEC
TE
JITTC
RFMON
ADAVDD
ADAVSS
TDO
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
XVSS
FSX/16MIN
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
1
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 34 35 36
37
38
39 40
80
79
78 77 76 75 74 73
72
71
70
69
68
67
66
65 64 63 62 61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
MIX
AGC
EQ
PH
BH
LPF
LPF
SW
LPF
TBAL
TBAL
RAM
SW
PLL
VCEC
RAM
LPF
D/A
S/H
TRACK JUMP
AUTO ADJUST
DRF
SUBCODE DECODE CRC
MONITOR SIGNAL SELECTOR
SERVO PROCESSEROR
LEVEL SET
A/D
JITTER
DETECT
CLOCK
GENERATOR
EXTERNAL
AUDIO IN
APC
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/
*
P
FSEQ
MONI1
MONI2
MONI3
MONI4
MONI5
(3.3V)VSS
VDD
DOUT
TEST
LDD
LDS
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT1
CONT2
CONT3
VSS
VDD5
DRF
*
WRQ
*
RES
DO
DI
CL
CE
+
+
MONI
CONT
CONT
CLV, CAV
CONTROL
ERROR
CORRECTION
AUDIO CD
FRAME SYNC
DETECT, PROTECT INSERT,
EFM DECODE
RUPTURE DEFECT
AUDIO OUT
GENERAL-PURPOSE
PORTS
8FS
DIGITAL FILTER
1bit DAC
INTERPOLATION
MUTE
ATTENUATION
DEEMPHSIS
SLICE LEVEL
CONTROL
COMMAND
INTERFACE
INTERFACE
SERIAL OUT
FE
TEC
TE
RFMON
15
ICF-CD830/CD830L
2-11.
IC PIN FUNCTION DESCRIPTION
• IC401
µPD789477GC-A08-8BT (SYSTEM CONTROL/LCD DRIVER)
Pin No.
1, 2
3 to 5
6 to 9
10 to 25
26, 27
28, 29
30 to 35
36, 37
38
39
40 to 46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66 to 68
69
70
71
72
73
74
75
76
77
78
79
80
I/O
–
–
O
O
I
–
I
–
–
–
I
–
I
I
I
I
O
O
O
O
I
–
O
O
O
O
O
O
O
I
–
O
I
O
–
–
I
O
I
–
O
O
O
Pin Name
NC
VLC2-0
COM0-3
SEG0-15
VERSION1-0
NC
KEY5-0
NC
AVDD
GND
KEY6-12
AVSS
DRF
AC IN
WRQ
FESQ
BUZZER
CE(C LAT)
DI(C DATA)
CL(C CLK)
DO(DATA IN)
NC
RES(XRST)
RST
CD ON
BEEP MUT
AMUT
POWER ON
RADIO ON
CD OPEN
NC
IC
XT1
XT2
VDD0
VSS0
X1
X2
RESET
NC
CD LED
RADIO LED
BUZZER LED
Description
Not used
LCD drive power supply
LCD drive common signal output
LCD drive segment signal output
Initialization input(destination settting)
Not used (connected to ground)
Key return signal input
Not used (pull-down)
Analog power supply
Ground
Key return signal input
Analog ground
CD DRF sinal input
Power failure detect signal input(L=power failure)
CD command data input
CD frame SYNC input
Buzzer signal output
CD latch signal output
CD data signal output
CD clock signal output
CD data signal input
Not used (pull-down)
CD reset signal output (to DSP IC)
CD reset signal output (to BTL IC)
CD power control signal output (L=ON)
Beep sound muting control signal output (H=ON)
Audio circuit muting control signal output (L=ON)
Standby control signal output for the power amplifier (H=ON)
Power control signal output for the radio circuit (L=ON)
CD lid open detect signal input (L=close,H=open)
Not used (pull-down)
Not used (connected to ground)
Sub system clock input (32.768kHz)
Sub system clock output
System power supply
Ground
Main system clock input (4.19MHz)
Main system clock output
System reset signal input
Not used
CD LED control signal output
RADIO LED control signal output
BUZZER LED control signal output
NOTE:
•
•
Due to standardization, replacements in the
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
parts list may be different from the parts
specified in the diagrams or the components
used on the set.
•
-XX, -X mean standardized parts, so they
may have some difference from the original
one.
may have some difference from the original
one.
•
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
•
CAPACITORS:
uF: µF
uF: µF
•
RESISTORS
All resistors are in ohms.
METAL: metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F: nonflammable
All resistors are in ohms.
METAL: metal-film resistor
METAL OXIDE: Metal Oxide-film resistor
F: nonflammable
•
COILS
uH: µH
uH: µH
•
SEMICONDUCTORS
In each case, u: µ, for example:
uA...: µA... , uPA... , µPA... ,
uPB... , µPB... , uPC... , µPC... ,
uPD..., µPD...
In each case, u: µ, for example:
uA...: µA... , uPA... , µPA... ,
uPB... , µPB... , uPC... , µPC... ,
uPD..., µPD...
When indicating parts by reference number,
please include the board name.
please include the board name.
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
16
SECTION 4
ELECTRICAL PARTS LIST
ICF-CD830/CD830L
•
Abbreviation
AUS
AUS
: Australian model.
CND
: Canadian model.
IT
: Italian model.
SP
: Singapore model.
*
1-682-944-11 KEY BOARD
**********
< RESISTOR >
R601
1-216-821-11 METAL CHIP
1K
5%
1/16W
R602
1-216-821-11 METAL CHIP
1K
5%
1/16W
R603
1-216-821-11 METAL CHIP
1K
5%
1/16W
R604
1-216-821-11 METAL CHIP
1K
5%
1/16W
R605
1-216-821-11 METAL CHIP
1K
5%
1/16W
R606
1-216-821-11 METAL CHIP
1K
5%
1/16W
R607
1-216-821-11 METAL CHIP
1K
5%
1/16W
R608
1-216-821-11 METAL CHIP
1K
5%
1/16W
R609
1-216-821-11 METAL CHIP
1K
5%
1/16W
R610
1-216-821-11 METAL CHIP
1K
5%
1/16W
R611
1-216-821-11 METAL CHIP
1K
5%
1/16W
R612
1-216-821-11 METAL CHIP
1K
5%
1/16W
R613
1-216-821-11 METAL CHIP
1K
5%
1/16W
R614
1-216-845-11 METAL CHIP
100K
5%
1/16W
R615
1-216-845-11 METAL CHIP
100K
5%
1/16W
R616
1-216-845-11 METAL CHIP
100K
5%
1/16W
R617
1-216-845-11 METAL CHIP
100K
5%
1/16W
R618
1-216-845-11 METAL CHIP
100K
5%
1/16W
R619
1-216-845-11 METAL CHIP
100K
5%
1/16W
R620
1-216-845-11 METAL CHIP
100K
5%
1/16W
R621
1-216-845-11 METAL CHIP
100K
5%
1/16W
R622
1-216-845-11 METAL CHIP
100K
5%
1/16W
R623
1-216-845-11 METAL CHIP
100K
5%
1/16W
R624
1-216-845-11 METAL CHIP
100K
5%
1/16W
R625
1-216-845-11 METAL CHIP
100K
5%
1/16W
R626
1-216-845-11 METAL CHIP
100K
5%
1/16W
< SWITCH >
S601
1-692-014-11 SWITCH, KEY BOARD (CD)
S602
1-692-014-11 SWITCH, KEY BOARD (CD PLAYMODE)
S603
1-692-014-11 SWITCH, KEY BOARD (CLOCK)
S604
1-692-014-11 SWITCH, KEY BOARD (ALARM SET CD)
S605
1-692-014-11 SWITCH, KEY BOARD (SUMMER T. D.S.T.)
S606
1-692-014-11 SWITCH, KEY BOARD (ALARM MODE)
S607
1-692-014-11 SWITCH, KEY BOARD (ALARM SET RADIO)
S608
1-692-014-11 SWITCH, KEY BOARD (TIME SET -)
S609
1-692-014-11 SWITCH, KEY BOARD (RADIO ON)
S610
1-692-014-11 SWITCH, KEY BOARD (ALARM SET BUZZER)
S611
1-692-014-11 SWITCH, KEY BOARD (TIME SET)
S612
1-692-014-11 SWITCH, KEY BOARD (OFF)
S613
1-692-014-11 SWITCH, KEY BOARD (SNOOZE)
************************************************************
*
1-682-943-11 LED BOARD
**********
< DIODE >
D651
8-719-056-07 DIODE SLR-342MCT31 (BUZZER)
D652
8-719-056-07 DIODE SLR-342MCT31 (RADIO)
D653
8-719-056-07 DIODE SLR-342MCT31 (CD)
< RESISTOR >
R651
1-216-819-11 METAL CHIP
680
5%
1/16W
R652
1-216-819-11 METAL CHIP
680
5%
1/16W
R653
1-216-819-11 METAL CHIP
680
5%
1/16W
************************************************************
*
A-3062-838-A MAIN BOARD, COMPLETE (CD830:US, CND)
*********************
*
A-3062-845-A MAIN BOARD, COMPLETE (CD830:IT)
*********************
*
A-3062-848-A MAIN BOARD, COMPLETE (CD830:AUS)
*********************
*
A-3062-850-A MAIN BOARD, COMPLETE(CD830L:AEP)
*********************
A-3062-853-A MAIN BOARD, COMPLETE (CD830L:UK)
*********************
*
A-3062-858-A MAIN BOARD, COMPLETE (CD830:AEP, SP)
*********************
3-227-329-01 HOLDER (LCD)
7-685-647-79 SCREW +P 3X10 TYPE2 NON-SLIT
7-685-647-79 SCREW +P 3X10 TYPE2 NON-SLIT
< ANTENNA >
ANT1
1-501-907-21 ANTENNA, FM WIRE
< FILTER >
BPF1
1-236-022-11 FILTER, BAND PASS
< CAPACITOR >
C1
1-162-907-11 CERAMIC CHIP
2PF
0.25PF 50V
C2
1-162-919-11 CERAMIC CHIP
22PF
5%
50V
(CD830:IT)
C2
1-162-918-11 CERAMIC CHIP
18PF
5.00%
50V
(EXCEPT CD830:IT)
C4
1-162-939-11 CERAMIC CHIP
8PF
0.5PF
50V
(CD830:IT)
C4
1-162-936-11 CERAMIC CHIP
5PF
0.25PF 50V
(EXCEPT CD830:IT)
KEY
LED
MAIN
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