Sony ICF-CD555TV Service Manual ▷ View online
ICF-CD555TV
25
25
6-5.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
•
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.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
under no-signal (detuned) conditions.
no mark : FM
(
) : AM
{
} : TV
〈〈
〉〉
: VIDEO (COLOR BAR SIGNAL INPUT)
[
] : CD PLAY
•
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: FM
f
: AM
N
: TV
L
: VIDEO
E
: AUX IN (AUDIO)
a
: AUX IN (VIDEO)
J
: CD PLAY
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.
•
z
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
Circuit Boards Location
CD-CLOSE board
CLOSE-TV board
MAIN board
CD board
TUNER board
SIDE-KEY board
CD-OPEN board
RELAY board
FRONT-KEY board
LCD board
TRANS board
MOTOR board
AMP board
TV board
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.
Ver. 1.1
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-CD555TV
26
26
1
2
20
19
CNP704
1
CNP706
6
16
15
2
1
CNP705
JW701
RELAY BOARD
(11)
11
1-861-830-
OPTICAL PICK-UP
BLOCK
(KSM-900AAA)
M702
(SPINDLE)
M
M701
(SLED)
M
S701
(LIMIT)
ON: WHEN THE OPTICAL PICK-UP
IS INNER POSITION
IS INNER POSITION
1
2
CD TRAY
OPEN
DETECT
S703
CD-OPEN BOARD
(11)
1-861-833-
11
MAIN
BOARD
CN401
K
1
2
S702
CD-CLOSE BOARD
(11)
11
1-861-834-
CD TRAY
CLOSE
DETECT
MAIN
BOARD
CN411
L
1
2
M301
CD TRAY
OPEN/CLOSE
MOTOR BOARD
(11)
11
1-861-835-
MAIN BOARD
CN412
M
M
C733
C706
X701
C740
C735
C702
CNP702
C746
JW703
JW704
JW705
JW706
JW708
JW709
JW710
JW716
JW717
JW718
JW723
JW724
JW725
JW726
JW727
JW728
JW729
JW731
JW732
JW733
JW734
JW722
JW719
JW720
JW713
JW712
JW711
JW730
JW715
JW721
CNP701
JW707
JW702
C709
C724
R741
C703
R718
C722
C708
C717
C720
R723
C727
C716
C745
R729
R727
C721
R744
C725
R746
C731
R732
R725
C729
C711
R730
C701
Q701
R720
C730
C726
R707
R716
R726
R717
R728
R722
R714
R742
C728
R708
C707
C744
R724
L706
R719
C704
R721
FB701
C755
C723
C754
IC702
R733
R710
R731
C751
C741
R702
C736
C743
R704
R712
R709
C705
R740
R715
R711
C734
R706
R703
C742
R713
R750
R748
JC703
JC704
JC706
JC707
JC708
JC709
JC710
JC711
JC705
IC701
R739
R751
R747
1
80
40
41
20
21
61
60
1
19
2
20
TP
(VREF)
TP
(TE)
TP
(RF)
14
13
2
1
A
MAIN
BOARD
CN408
CD BOARD
(11)
11
1-687-668-
6-6.
PRINTED WIRING BOARDS – CD Section –
•
See page 25 for Circuit Boards Location.
:Uses unleaded solder.
(Page 30)
(Page 30)
(Page 30)
(Page 30)
ICF-CD555TV
27
27
M701
R740
R742
R714
R715
R704
R702
C704
R711 R713
C703
R709
R710
C731
C734
C708
C736
R708
R706
R703
R723
C727
C741
C740
C733
C751
C742
C743
C709
C716
C711
C735
C755
C754
CNP701
R712
C717
R750
R744
R722
R721
R720
R719
R718
R717
R716
C722
C721
C720
C724
C726
C725
C723
R727
R729
C744
R724
R730
C730
R733
R732
R725
R726
IC702
CNP706
S701
M702
R728
L706
CNP702
R739
R748
JC710
R731
C745
C746
C705
JC708
R746
JC709
JC704
JC707
JC705
R741
JC703
JC706
Q701
JC711
IC701
CNP705
FB701
C702
R707
C701
C707
C706
C728
C729
CNP704
X701
R747 R751
220k
470k
470k
220k
10k
10k
22p
220
100
0.1
22k
4.7k
0.047
4700p
(FE)
(TE)
100p
4700p
10k
4.7k
4.7k
100
1000p
0.1
470
10V
10V
100
10V
10V
0.1
0.1
0.1
0.1
0.01
0.01
1000
6.3V
6.3V
0.01
0.01
20P
100
0.01
100
100k
100
1k
100
100
1k
1k
1k
22p
22p
22p
22p
1000p
1000p
0.01
2.2k
220
0.1
47k
1k
0.1
220
220
470
470
BA5826FP
6P
10k
0
14P
1k
100
0
2.2k
0.1
100
10V
10V
4700p
(VREF)
0
4.7k
0
0
0
0
10k
0
0
KTN2907AS-RTK
0
LC78646E
16P
0
47
10V
10
1000p
(RF)
1
1 50V
0.047
1
20P
16.9344MHz
22k
2.2k
Z2
Z3
Z4
Z6
Z7
Z8
Z1
Z
2
Z
3
Z
4
Z5
Z
6
Z
7
Z
8
Z9
Z10
Z5
Z10
Z9
Z1
SP-
S
P
-
SP+
S
P
+
SL-
S
L
-
SL+
S
L
+
T+
T+
T-
T-
F+
F+
LIM
LIM
LD
LD
PD2
PD2
F
F
PD1
PD1
E
E
PD
PD
TDO
TDO
FDO
S
L
D
O
FDO
SLDO
F-
F-
CONT4
CONT4
SPDO
S
P
D
O
VCC
M
UTE
SP+
SPIN
SP-
SL-
SL+
REG
O
V
CC
V
REF
F-
F+
T-
T+
R
ST
DRF
DO
DI
CL
CE
FSEQ
R
EG-B
G
ND
G
ND
G
ND
NC
O
PO
UT
O
PIN
SLCIST
EFMIN
RF
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
FDO
S
P
DO
S
LD
O
GP
DAC
C
ON
T4
C
ON
T5
SBC
K/CO
N
T6
S
BCK/FG
D
EFEC
T
V/
∗
P
FSEQ
M
O
NI1
M
INI2
M
O
NI3
M
O
N
I4
M
O
N
I5
(3.3V
)VSS
V
DD
D
OU
T
TEST
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
XVDD
XOUT
XIN
FSX/16MIN
XVSS
C2F
EFLG
16MOUT
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
CE
C
L
D
I
D
O
∗
W
R
Q
∗
RE
S
D
R
F
V
D
D5
VS
S
C
ONT3
C
ON
T2
CO
NT1
PD
O
1
PD
O2
V
VSS
PCK
IS
T
V
VD
D
FR
LD
S
LDD
SLCO
SL
IN
(SLIN
)
FIN
(FIN
)
TIN
(TIN
)
A
C
B
D
F
E
LIM
SL-
SL+
SP-
SP+
GND
PD2
F
PD1
E
VC
VCC
LD
GND
PD
VR
F+
T+
T-
F-
F-
T-
F+
T+
PD
VR
LD
GND
VCC
VC
E
PD1
F
PD2
SL+
SL-
GND
LIM
SP+
SP-
GND
GND
PD2
F
PD1
E
VC
VCC
SL+
SL-
LIM
SP+
SP-
NC
LD
GND
PD
VR
F+
T+
T-
F-
(SPINDLE)
(LIMIT)
(SLED)
FO
C
U
S
TRA
CK
IN
G
WRQ
RES
FOCUS/TRACKING
COIL DRIVE,
SPINDLE/SLED
MOTOR DRIVE
AUTOMATIC
POWER
CONTROL
RF AMP,FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
D/A CONVERTER
CLV SERVO,DIGITAL FILTER,
PD
LD
ON:WHEN THE OPTICAL PICK-UP IS
INNER POSITION
GND
3.3V
RCH
LCH
PGND
6V
6-7.
SCHEMATIC DIAGRAM – CD Section –
•
See page 42 for Waveforms.
•
See page 43 for IC Block Diagrams.
(Page 33)
Ver. 1.1
The components identified by mark
0
or 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.
ICF-CD555TV
28
28
(SHIELD CASE)
1-688-455-
(11)
11
IC2
JC5
C1
R61
R63
TP
(VT)
R59
R60
C37
R13
C24
JC6
JC13
JC4
C14
IC1
C43
C32
JC3
C8
JC2
C61
R50
R91
C51
C56
R56
JC1
C26
C27
C65
R58
C62
R54
C11
C63
R92
R41
C39
R30
C80
R40
R2
C22
C31
C55
R1
R10
C59
C7
C34
C95
R11
R31
C57
C4
C41
R51
R53
C35
R24
R3
C42
C33
L11
C47
C20
D10
C15
D1
D2
R94
R32
C9
C30
R4
C52
C60
C66
C68
D11
R52
JC34
JC33
C18
JW3
JW9
JW4
JW13
JW8
JW7
JW11
JW10
JW12
C29
C21
C12
T2
C54
CT3
JC12
CT1
C10
C23
L1
D3
L4
JW5
L2
CF2
T1
X1
JW6
JC11
C13
CF4
R65
C49
L21
C53
CNP1
TP
(GND)
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
G
MAIN
BOARD
TP
(ANT)
C
L3
AM FERRITE-ROD ANTENNA
TRANS
BOARD
B
6-8.
PRINTED WIRING BOARD – TUNER Section –
•
See page 25 for Circuit Boards Location.
:Uses unleaded solder.
D1
C-9
D2
D-8
D3
D-8
D10
C-11
D11
C-11
IC1
E-9
IC2
F-4
•
Semiconductor
Location
Location
Ref. No.
Location
(Page 30)
(Page 40)
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