Sony CFD-G30 Service Manual page 12

CFD-G30/G50
5-2. BLOCK DIAGRAMS – TUNER/CD SECTION –
TUNER BOARD
ANT1
FM
TELESCOPIC
ANTENNA
FM TRACKING
RADIO 6V
L1
D1
D3
AM
L4
F-COVER.
RADIO 6V
OPTICAL PICK-UP
BLOCK
(KSS-213C)
VC
A
B
C
D
E
F
LD
GND
PD
VR
F+
FOCUS
COIL
F-
T+
TRACKING
COIL
T-
16
M701
• RCH is omitted
MOTOR
• Signal Path
: FM
M702
SPINDLE
: CD
MOTOR
FRONT-END
IF AMP,DET,FM MPX
IC1
FM RF I FM MIX OUT
2 4
MIX
FM
F-COVER.
FM RF O
24
RADIO 6V
CT1
L2
FM OSC FM
21
OSC
D2
L3,CT3
AM TRACKING
L3
FERRITE-ROD
ANTENNA
AM RF AM
22
MIX
OSC
CT3 19
AM OSC AM
20
OSC
CD BOARD
DIGITAL SIGNAL PROC.
RF AMP
IC701
10 VC
D VDD
4 PD1 RFO 15 51
5 PD2 RFI 16 43
FE 13 39
8 41
E TE 11
7 F 40
Q701
LD
2 LD LD ON 19
DRIVE
Q702 14
AGC CONT 18
3
PD
MOTOR/COIL DRIVE
IC703
17 F+ FFDR 24 32
18 F- FRDR 23 33
13 T+ TFDR 2 30
14 T- TRDR 3 31
12 SL+ SRDR 6 29
M
SLED
11 SL- SFDR 5 28
15 SP+ SP IN 25 26
M
16 SP-
MUTE 20
— 13 —
AM
T2
IF
10
QUAD
CF2
FM IF FM
7
DET
FM/AM
BUFFER
T1
CF4
AM IF AM
6
DET
FM
IF
IF
BUFFER
PLL
IFOUT
6V
IC2
14 18 13 18
VDD
14
FM
12
11 AM MO/ST 13
ST IND 8
BAND 7
20 XO
X1
75kHz
19 XI
IF IN
10
18 LP OUT
DO 4
17 LP IN DI 2
CL 3
CE
16 PD 1
DIGITAL SERVO
D/A CONV.
IC702
L OUT MAIN
RFAC L OUT 72 B
SECTION
RFDC
R OUT 75 R-CH
FE
TE
SE
DATA 5
CLK 7
XLON
XLAT 6
SQCK 2
SCLK 9
SCOR
20
SQSO 1
SENS 8
FFDR
S702
FRDR SSTP 27
LIMIT
IN SW
TFDR
XTAI 66
X101
TRDR
16.9344MHz
XTAO 67
SRDR
SFDR
XRST 3
MDP
RADIO 6V
23 5
VCC1 VCC2
MPX
MPX FM 12
MUTE
16 15
MPX
11 R-CH
MAIN BOARD (1/2)
MASTER CONTROL
IC501(1/2)
RADIO
MUTE
MUTE 3
Q510
14 R COUNT
16 R DATA
15 R CLOCK
17 R LATCH
12 C DATA
10 C CLOCK
11 C LATCH
7 C SQCK
5 C SCLK
1
C SCOR
8 C SQSO
6 C SENS
C DOOR 80
9
C XRST
13 C AGC CONT
— 14 —
L-CH MAIN
A
SECTION
S701
(CD DOOR)