Sony ICF-CD543RM Service Manual ▷ View online
ICF-CD543RM
18
18
25
22
20
16
18
12
19
20
11
FM
RF AMP
FM/TV
LPF
MPX
DECODER
TV/FM
OSC
AM/FM: 1/2
TV: 1/8
PHASE DETECTOR
CHARGE PUMP
DATA SHIFT REGISTER
LATCH
FMIN
MPXI
R-CH
ARFI
150kHz
DETO
45kHz
FMRO
TVRO
AMLO
FTLO
FMIN
60
POWER ON
52
BUZZER
79
A MUTE
80
KITCHEN LED
AMIN
29
IFCT
12
BAND
1
VCO
TV/FM/AM RF AMP,
MIX, OSC, DET, MPX
IC1
FM/AM PLL
IC51
SYSTEM CONTROLLER
IC401 (2/2)
RV1
AM IF
RV2
FM STEREO
D4
VT
AM
OSC
FM
LMT
FM
DET
AGC
AMP
AM
BPF
19
REGV
24
TV
RF AMP
TVIN
FM/TV ANT IN
(from AC line)
(from AC line)
CT3, L4
CT2, L3
CT1, L1
L3
FM RF
CT2
BPF1
AM TRACKING
BPF
L1
AM
FERRITE-ROD
ANTENNA
L2
AM OSC
X51
75kHz
AM
RF AMP
26
L5
FM/TV OSC
CT1
L4
TV RF
CT3
D3
D2
(1/2)
D2 (2/2)
D5
+
+
35
LOUT
3
L OUT 3
STANDBY
8
L IN
12
36
BUFFER
Q101
OSC BUFFER
Q1
AM VCO
VOLTAGE
FM/TV VCO
VOLTAGE
FM/TV (2 – 6CH)
TRACKING
AMP
IC301
BUFFER
Q102
MUTING
Q151
LEVEL SHIFT
Q671
5V
R-CH
R-CH
R-CH
R-CH
Q351
S691
OFF
LOW
HIGH
MEGA BASS
BASS BOOST
CONTROL
Q111, 112
LOW-PASS
FILTER
Q51, 52
STANDBY
SWITCH
Q371, 372
LIQUID CRYSTAL DISPLAY
LCD401
POWER AMP
IC371
VOUT2
DATA
4
CLOCK
5
VIN2
8
7
ELECTRICAL
VOLUME
IC331
CD-L
D404
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
PSN
REGULATOR
VCO
BAND SELECT
Q2
15
PD
5
BO1
6
BO2
PSN
SWALLOW
COUNTER
1/16, 1/17, 4BITS
12BITS
PROGRAMMABLE
DIVIDER
CCB
I/F
XT2
XT1
R CLK
R DATA IN
R CE
X2
X1
CLK
2
3
1
40
ENCODE–
48
RC
39
ENCODE+
63
64
62
DI
XIN
XOUT
CE
70
71
X402
32.768kHz
74
75
X401
4.19MHz
59
VR CLOCK
58
VR DATA
A
(Page 17)
KEY0 – KEY2
42 – 44
COM0 – COM3
6 – 9
SEG0 – SEG15
10 – 25
S401 – 417
: CD PLAY
: FM
: TV (US model only)
: AM
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
(US)
(US)
TIMER
PUSH START/STOP
ROTARY
ENCODER
S403
REMOTE CONTROL
RECEIVER
IC403
SIRCS BUFFER
Q401
76
RESET
77
CD ON
RADIO ON 78
49
AC IN
B+ SWITCH
Q301
+6V
REGULATOR
Q952
+5V
REGULATOR
Q951
+3.3V
REGULATOR
Q953
T901
POWER
TRANSFORMER
(AC IN)
RECT
D917 – 919
VT
FM/TV ANT IN
5V
MOTOR 6V
TU 3.3V
CD 3.3V
RECT
D915, 916
RECT
D911 – 914
B+ SWITCH
Q302
3.3V
D301
RESET SIGNAL
GENERATOR
IC402
D971
U-COM 3.3V
D401 – 403
LCD BACK
LIGHT
AMP B+
U-COM 3.9V
+
+
R-CH
D371
TV (7 – 13CH)/
WEATHER (1 – 7CH)
TRACKING
5-2.
BLOCK DIAGRAM – MAIN Section –
ICF-CD543RM
19
19
5-3.
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/TV (2 – 6 ch)
L
: TV (7 – 13 ch)/WEATHER (1 – 7 ch)
f
: AM
J
: CD
• Abbreviation
CND : Canadian model
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.
LOADING board
CD board
MAIN board
TRANSFORMER board
RELAY board
SWITCH board
RAY CATCHER board
LCD board
ICF-CD543RM
20
20
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
RELAY BOARD
CN673
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
(KSS-213C)
OR
(KSS-213R)
5-4.
PRINTED WIRING BOARD – CD Section –
•
See page 19 for Circuit Boards Location.
:Uses unleaded solder.
(Page 22)
• Semiconductor
Location
Ref. No.
Location
IC701
C-4
IC702
H-3
Q701
F-5
Ver. 1.3
Note: When the IC701 is replaced, refer to “NOTE OF REPLACING
THE IC401 (LCD BOARD), IC701 (CD BOARD) AND CD
BOARD” (page 3) on the servicing notes.
BOARD” (page 3) on the servicing notes.
ICF-CD543RM
21
21
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-E (TYPE A)
LC78646E-US-E (TYPE B)
LC78646E-US-E (TYPE B)
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
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
BA5826FP-E2
0.1
4700p
0
0
A9
A10
A9
A10
A1
A1
A2
A2
A8
A8
A4
A4
A3
A3
A5
A5
A6
A6
A7
A7
B1
B3
B5
B1
B3
B5
C1
C2
C3
C4
C1
C2
C3
C4
B2
B4
B2
B4
E
D
A
B
C
F
LD
VR
PD
F+
T+
T-
F-
SW
GND
V
C
C
M
U
T
E
S
P
+
S
P
IN
S
P
-
S
L
-
S
L
+
R
EG
O
V
C
C
V
R
E
F
F
-
F
+
T
-
T
+
R
S
T
DRF
∗
RES
DO
DI
CL
CE
VREF
VCC
GND
FSEQ
∗
WRQ
R
E
G
-B
G
N
D
G
N
D
G
N
D
N
C
O
P
O
U
T
O
P
IN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
F
D
O
S
P
D
O
S
L
D
O
G
P
D
A
C
C
O
N
T
4
C
O
N
T
5
S
B
C
K
/C
O
N
T
6
S
B
C
K
/F
G
D
E
FE
C
T
V
/*
P
F
S
E
Q
M
O
N
I1
M
IN
I2
M
O
N
I3
M
O
N
I4
M
O
N
I5
(3
.3
V
)V
S
S
V
D
D
D
O
U
T
T
ES
T
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
C
E
C
L
D
I
D
O
∗
W
R
Q
∗
R
E
S
D
R
F
V
D
D
5
V
S
S
C
O
N
T
3
C
O
N
T
2
C
O
N
T
1
P
D
O
1
P
D
O
2
V
V
S
S
P
C
K
IS
T
V
V
D
D
F
R
L
D
S
L
D
D
SLCO
TX
TY
F
X
F
Y
S
P
Y
S
P
X
S
L
X
S
L
Y
S
L
IN
(S
L
IN
)
F
IN
(FIN
)
T
IN
(T
IN
)
(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
P-GND
CD MOTOR 6.0V
CD R-OUT
CD L-OUT
D-GND
CD VDD 3.3V
5-5.
SCHEMATIC DIAGRAM – CD Section –
•
See page 28 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
(Page 23)
Note: When the IC701 is replaced, refer to “NOTE OF REPLACING
THE IC401 (LCD BOARD), IC701 (CD BOARD) AND CD
BOARD” (page 3) on the servicing notes.
BOARD” (page 3) on the servicing notes.
Ver. 1.3
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