Read Sony CFD-G55 Service Manual online
19
19
CFD-G55
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
VC
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
4
DRF
31
FSEQ
65
WRQ
66
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 I
FM RF O
FM OSC
AM RF
AM OSC
FM
OSC
AM
MIX
AM
OSC
OSC
4
MIX OUT
16
IF
BUFFER
CF2
CF4
7
6
FM IF
AM IF
FM
MPX
FM/AM
BUFFER
FM
DET
AM
DET
15
A
MPX
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
AM
VDD
XO
XI
CL
DI
DO
IF IN
MO/ST
6V
X1
75kHz
L-CH
RADIO 6V
CT1
L2
D2
RADIO 6V
CT3
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
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
TRACKING
L4
AM
FREQUENCY
COVERAGE
T1
AM IF
T2
FM IF
Z
PUSH
OPEN/CLOSE
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