Sony CFD-G500 / CFD-G500L Service Manual ▷ View online
17
17
CFD-G500/G500L
— TUNER/CD SECTION —
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
+
-
R-CE
63
R-CLK
61
R-DATA
62
R-COUNT
60
SYSTEM CONTROL
IC801(1/2)
OPTICAL PICK-UP
BLOCK
A
B
C
D
E
F
LD
VREF
VCC
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q701
RF AMP,D/A CONV
IC701
VREF
11
FIN2
8
FIN1
7
TIN1
9
TIN2
10
LD
80
PD
79
MOTOR/COIL DRIVE
IC702
F+
17
F-
18
T+
12
T-
11
SL+
26
SL-
27
M
M702
SLED
MOTOR
SP+
2
SP-
1
M
M701
SPINDLE
MOTOR
F+
F-
T+
T-
19
9
25
3
SPDO
22
SLDO
23
TDO
20
FDO
21
42
L OUT
45
R OUT
63
DI
MAIN
SECTION
R-CH
L OUT
62
CL
61
CE
67
DRF
31
FSEQ
65
WRQ
68
RES
72
CONT1
49
XIN
48
XOUT
S701
LIMIT
IN SW
X701
16.93MHz
C-DI
54
C-CLK
55
C-CE
56
C-DRF
58
WRQ
52
C-RES
59
40
C-DOOR
S801
19
L1
L3
FERRITE-ROD
ANTENNA
D1
2
24
21
22
20
FM
MIX
FM RF IN
FM RF OUT
FM OSC
AM RF IN
AM OSC
FM
OSC
AM
MIX
AM
OSC
OSC OUT
4
MIX OUT
16
IF
BUFFER
CF2
CF4
7
6
FM IF-IN
AM IF-IN
FM
MPX
FM/AM
BUFFER
FM
DET
AM
DET
15
A
DET OUT
17
MUTE
12
11
R-CH
10
FRONT-END
IF AMP,DET,FM MPX
23
5
RADIO 6V
QUAD
VCC1
VCC2
MAIN
SECTION
T2
CE
12
11
14
13
14
13
MO/ST
BAND
10
4
2
3
1
20
19
VDD(SW)
PLL
IC2
FM IN
AM IN
VDD
XOUT
XI
CL
DI
DO
IF IN
MO/ST
6V
X1
75kHz
L-CH
RADIO 6V
CT1
L2
D2
RADIO 6V
CT3
CT5
RADIO 6V
D3
L4
ANTENNA
FM
TELESCOPIC
IC1
T1
18 LP OUT
16 PD
LPF
18
ST IND
8
ST IND
7
BAND
IFOUT
MPX-IN
R-MUTE
57
C-FSEQ
46
SP IN
SL IN
T IN
F IN
B
RADIO 6V
ANT1
64
DO
C-DO
53
7
CONT4
25
MUTE
17 LP IN
L1, CT1
FM
TRACKING
L2
FM
FREQUENCY
COVERAGE
L3, CT3
AM/MW
TRACKING
L4
AM
FREQUENCY
COVERAGE
L3, CT5
LW
TRACKING
T1
AM/MW IF
T2
FM IF
Z
PUSH
OPEN/CLOSE
LW
SWITCH
LW
SWITCH
MW
SWITCH
MW
SWITCH
MW BAND
SELECT
SWITCH
6
MW/LW
Q44
Q43
Q41
Q42
Q14
Q61
9
BAND
AM HIGH
CUT SWITCH
AEP, UK, CET
AEP, UK, CET
AEP, UK, CET
Q12
+
-
+
-
AEP, UK, CET
18
18
CFD-G500/G500L
6-2. PRINTED WIRING BOARD — CD SECTION —
• Refer to page 15 for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
E
802
IC701
Q701
IC702
C729
C730
R730
R728
R729
C704
R708
C728
R724
R722
R725
R726
R707
C701
C726
C723
C725
C724
R719
R717
R716
C720
C721
C722
R731
R721
R720
C716
R715
R714
C727
C711
C709
FB701
C736
C734
R709
C705
R710
R701
C703
C731
R706
R727
R712
R723
C708
R741
JC701
R744
C751
JC702
JC703
C743
C744
C745
C742
C754
C755
C741
C707
L706
C717
C739
C738
R732
R742
R735
R704
R733
R702
R734
R703
R746
R743
R705
R736
R747
R738
R711
R713
C718
C719
R737
R718
M702
M701
S701
C732
CNP701
X701
CNP702
JW706
JW707
JW709
JW713
JW714
JW715
JW716
JW717
JW718
JW721
JW722
JW723
JW724
JW725
JW726
JW727
JW728
JW729
C740
C750
C746
C747
JW719
C735
JW720
C733
C706
JW712
JW710
JW702
JW701
JW708
C702
JW703
JW705
JW704
JW730
• Semiconductor
Location
Ref. No.
Location
IC701
G-6
IC702
B-7
Q701
D-6
(Page 26)
19
19
CFD-G500/G500L
6-3. SCHEMATIC DIAGRAM — CD SECTION —
IC B/D
IC B/D
E
802
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD PLAY
no mark : CD PLAY
35V
220
14P
C745
R707
CNP701
R701
R706
R712
C751
M702
M701
R744
C741
C732
R724
R709 R710
C703
C704
C704
C743
C731
R708
C708
C742
C740
C709
R731
R720
R719
R722
R727
R728
C744
R730
R729
C724
C720
C722
C723
C722
C723
C721
R717
R716
R718
R721
R716
R718
R721
FB701
C717
C735
R723
C728
C702
S701
C730
C707
C706
TP
TP
C711
C747
C746
C701
C739
IC702
JC702
JC701
C738
C705
C734
C736
JC703
C727
C726
C726
C725
C755
C754
IC701
X701
C716
Q701
C733
C750
R733
R734
R735
R736
R734
R735
R736
R702
R703
R704
R705
R703
R704
R705
R746
R741
R711
R713
R747
R732
R714
R715
L706
C729
R738
R737
R726
R725
CNP702
R742
R743
0.85
±
0.2 Vp-p
3.2 Vp-p
1.8 V
Approx. 100 mVp-p
Approx. 100 mVp-p
16.93 MHz
1.8 V
• Waveforms (Mode: PLAY)
1
2
3
4
IC701
4
(RF)
IC701
qd
(FE)
IC701
qg
(TE)
IC701
rk
(XOUT)
500 mV/div 0.5
µ
sec/div
100 mV/div 20
µ
sec/div
100 mV/div 20
µ
sec/div
1 V/div 0.05
µ
sec/div
(Page 27)
• Refer to page 32 for IC Block Diagrams.
20
20
CFD-G500/G500L
6-4. PRINTED WIRING BOARD — TUNER SECTION (AEP, UK, CET MODEL) —
• Refer to page 15 for Circuit Boards Location.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
11
12
13
14
1-688-455-
(11)
11
WHT
BLK
BLK
BLK
WHT
BLK
BLK
BLK
BLK
BLK
BLK
BLK
ANT1
FM
TELESCOPIC
ANTENNA
IC2
JC5
C1
R16
R61
R63
TP
(VT)
R59
C58
R60
C37
C70
C77
R13
C78
C24
JC6
JC4
C14
C43
C32
JC3
C8
CNP2
JC23
JC2
C61
R22
R50
R43
C40
R91
C51
C64
C56
C25
R56
C73
JC1
C93
R19
R58
C62
R17
R54
C11
C63
R12
R92
C5
R41
R64
C72
C48
C39
R30
C80
R40
R2
C22
C31
C55
C46
R1
R10
C59
C7
C6
C34
C95
R11
C71
R31
C57
C4
C41
R51
R53
C3
JC24
C35
R24
R3
C42
C33
C44
C20
D10
JC22
C15
C45
D1
R42
R18
R7
D2
R94
R32
C9
C30
R4
R93
C52
C2
C60
C66
R9
C68
Q41
Q43
Q12
Q44
Q14
Q42
D11
R66
R52
JC34
JC33
C18
JW3
JW9
JW4
JW13
JW8
JW7
JW11
JW10
JW12
C29
C21
C12
T2
C54
CT3
CT1
C10
C23
L1
D3
L4
JW5
L2
CF2
T1
TP
FM
IN
X1
JW6
-1
MW
-2
LW
L3 MW/LW FERRITE-ROD ANTENNA
IC1
JW2
CF4
Q61
CT5
C49
L21
C53
CNP1
(AEP,UK,CET MODEL)
KH801
KH802
• Semiconductor
Location
Ref. No.
Location
D1
C-10
D2
D-8
D3
D-8
D10
B-12
D11
B-12
IC1
E-10
IC2
E-5
Q12
F-7
Q14
B-5
Q41
C-6
Q42
C-9
Q43
C-6
Q44
D-6
Q61
D-4
(Page 26)
(Page 26)
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