Sony CFD-G550CP Service Manual ▷ View online
CFD-G550CP
21
21
CFD-G550CP
6-5. CIRCUIT BOARDS LOCATION
6-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
C
: panel designation.
•
A
: B+ Line.
•
H
: adjustment for repair.
• Voltage and waveforms are dc with respect to ground
under no-signal conditions.
– CD/MP3 Board –
[
– CD/MP3 Board –
[
] : CD PLAY
– TU Board –
no mark : FM
(
no mark : FM
(
) : AM
– MAIN Board –
no mark : FM
<
no mark : FM
<
> : CD PLAY
– TC Board –
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
– Other Boards –
no mark : FM
no mark : FM
• 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 PLAY
• Abbreviation
E41
: AC 230V are in E model.
MX
: Mexican model.
for 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 layer’s patterns are not indicated.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
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.
6-4. WAVEFORMS
BAT2 board
VOL board
POWER board
TRANS board
BAT1 board
LCD board
CONTROL 2 board
CONTROL 1 board
H/P board
TC board
TU board
MAIN board
CD/MP3 board
— TC BOARD —
1
Q301
C
(REC)
19.5
µ
sec
2
T301, HRP301 (YEL)
4Vp-p
19.5
µ
sec
40Vp-p
0.1V/div 5
µ
sec/div
10V/div 5
µ
sec/div
— CD/MP3 BOARD —
0.85
±
0.2Vp-p
1
IC701
4
(RF)
500mV/div 0.5
µ
sec/div
2
IC701
qd
(FE)
100mV/div 200
µ
sec/div
Approx. 100mVp-p
1.8V
3
IC701
qg
(TE)
100mV/div 200
µ
sec/div
5
IC701
t;
(FSX/16MIN (I))
2V/div 50nsec/div
60nsec
IC1001
7
(CKIN (I))
2V/div 50nsec/div
4
IC701
rk
(XOUT)
2V/div 0.05
µ
sec/div
6
Approx. 100mVp-p
1.8V
6Vp-p
16.9MHz
6Vp-p
60nsec
7Vp-p
— TU BOARD —
1
IC2
w;
(XOUT)
75kHz
1.5Vp-p
0.5V/div 5
µ
sec/div
— MAIN BOARD —
1
IC801
ek
(X2)
4.2Vp-p
1V/div 0.2
µ
sec/div
5MHz
CFD-G550CP
22
22
CFD-G550CP
6-6. PRINTED WIRING BOARD — CD SECTION — • Refer to page 21 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
IC702
Q701
R701
R702
R703
R704
R705
R706
R707
R708
R709
R711
R716
R717
R718
R719
R720
R721
R722
R729
R730
R742
R753
R745
R1068
R1073
R1074
R1075
R1076
R1077
R1078
C701
C703
C705
C706
C740
C710
C711
C712
C713
C714
C716
C717
C718
C719
C720
C741
C745
C750
C751
C753
C754
C734
C731
R744
R743
C747
C1056
C1057
C1058
C1059
C721
R710
R731
R755
R756
R757
R758
R759
R760
R712
R713
R714
R715
R724
R725
R726
R727
R728
R732
R733
R734
R735
R736
R737
R740
R1001
R1002
R1003
R1004
R1005
R1017
R1018
R1019
R1020
R1079
R1080
C708
C746
C742
C743
C744
C760
C761
C762
C763
C764
C766
C767
C732
C733
C722
C756
C1010
C1011
C1012
C1013
C1030
C1031
C1066
C1067
C1068
C1069
C1070
C1074
C1044
C1037
C1055
C1043
FB701
R1081
R1082
R761
R762
R763
R764
R723
IC1001
C1001
IC701
R765
FB1001
FB1002
FB703
FB704
FB702
FB705
FB706
FB707
R766
IC1003
C1110
IC1002
C737
CNP701
M701
M702
C748
C704
C702
C723
C707
C715
C709
C1042
C1014
C1054
X701
C729
S701
C1029
CNP702
C730
(Page 28)
IC701
F-10
IC702
C-8
IC1001
D-12
IC1002
D-13
IC1003
A-12
Q701
F-8
• Semiconductor
Location
Ref. No.
Location
CFD-G550CP
23
23
CFD-G550CP
6-7. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 21 for Waveforms. • Refer to page 35 for IC Block Diagrams. • Refer to page 38 for IC Pin Descriptions of IC1001.
IC B/D
IC B/D
C717
C706
C707
C714
C721
C722
R706
R707
R716
R
717
R718
R
719
R720
R
721
R722
R
723
R731
R732
R733
R734
R735
R736
R737
R
740
R1002
R1003
R1004
R1005
R
1073
R1077
R
1078
C1042
C702
C723
R724
C747
SL701
SL702
SL703
SL704
C740
C709
R701
C701
R702
R703
R704
R705
R712
R725
R
726
R745
R753
R760
R762
R763
R764
C746
R715
R714
R744
R
1019
R1018
R1082
R1068
R759
R
107
6
R1
075
R1074
C1110
R755
R756
R757
R758
R743
C748
C715
C712
C711
C710
IC702
C744
C743
C732
C733
C1011
C1012
C1043
C1031
C1030
C1055
IC1002
FB702
R713
R1001
C1014
R1081
R1017
FB701
C742
R728 R727
R729
R730
C708
C1044
R1080
C1037
C1013
C713
R711
R708
R710
R709
C705
C719 C720
C716
IC701
IC1001
Q701
C704
S701
M702
M701
R1020
CNP701
C703
C718
C754
C753
C741
C745
C751
C760
C761
C762
C763
C764
C766
C767
R765
R761
C756
C734
C731
IC1003
C1074
C
1069
C1070
C1068
C1067
C1066
C1058
C1057
C1001
C1056
C1059
C1010
C1029
C1054
R1079
CNP702
FB705
FB706
FB707
X701
FB703
FB1001
FB1002
FB704
C750
R766
C737
C730
C729
(Page 27)
CFD-G550CP
24
24
CFD-G550CP
6-8. PRINTED WIRING BOARD — TUNER SECTION — • Refer to page 21 for Circuit Boards Location.
: Uses unleaded solder.
D1
C-10
D2
D-8
D3
D-8
D10
C-12
D11
C-12
IC1
E-10
IC2
F-5
• Semiconductor
Location
Ref. No.
Location
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
KH801
KH802
1-688-455-
(11)
11
C1
TP
(VT)
TP
FM
IN
CNP2
C26
C55
ANT1
FM
TELESCOPIC
ANTENNA
L3 AM FERRITE-ROD ANTENNA
IC2
JC5
R61
C47
R63
R59
R60
C37
R13
C24
JC6
JC4
C14
C43
C32
JC3
C8
JC33
JC2
C61
R50
R91
C51
C56
R56
JC1
R58
R65
C62
R54
C11
C63
JC13
JC24
R92
C77
R41
JC34
C39
R30
C80
R40
R2
C22
C31
R1
R10
C59
R52
C7
C34
MX MODEL
E41 MODEL
MX MODEL
E41 MODEL
C95
R11
R31
C57
C4
C41
R51
R53
C35
C27
R24
R3
C42
C33
C20
D10
C15
D11
D1
JC11
JC12
D2
R94
R32
C9
C13
C30
R4
C52
C60
C66
C68
C18
JW3
JW9
JW4
JW13
JW8
JW7
JW11
JW10
JW12
C53
C29
C49
C21
L21
C12
T2
CNP1
C54
CT3
CT1
C10
C23
C78
L1
C65
D3
L4
JW5
L2
CF2
T1
X1
JW6
L3
IC1
JW2
CF4
L11
(Page 28)
(Page 28)
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