Block Diagrams - Sony HCD-GX30 Service Manual

HCD-GX30/RG22/RG33
Ver 1.2 2003.11

5-2. Block Diagrams

CD Section
OPTICAL PICK-UP
BLOCK
(KSM-213D)
DETECTOR
VCC
+5V
VC
A
B
C
D
E
F
Q731
LD
LD
DRIVER
GND
PD
VR
IC781
FCS/TRK COIL,
SL/SP MOTOR
DRIVER
F+
1 CH1OUT-A
FOCUS
CH1IN-A
COIL
F
2 CH1OUT-B
CH1IN-B
T+
27 CH4OUT-A
TRACKING
CH4IN-A
COIL
T
26 CH4OUT-B
11 CH2OUT-B
M02
M CH2IN-B
(SLED)
12 CH2OUT-A
18 CH3OUT-B
M01
M
CH3IN-B
(SPINDLE)
17 CH3OUT-A
MUTE
S01
(LIMIT)
IC731
FOCUS/TRACKING/
SLED/SPINDLE SERVO,
RF AMP
58
VR RF SM 41
2 FIN 1 SLI 44
1 FIN 2 DEF 49
TES 36
HFL 37
3 E
4 F JP+ 33
JP- 32
CV+ 40
62 LDD
CV- 39
TOFF 35
SLOF 38
63
LDS DAT 52
CLK 50
CL 51
CE 53
TGL 34
3 16 FD
DRF 54
4
25 15 TO
SL+ 31
9 29 SLD
SL- 30
20 27 SPD
Q775
7
IC751
DIGITAL SIGNAL
PROCESSOR
10 EFMI LCHO 37
9 EFMO RCHO 40 R CH
1
DEF
Q774
16 TES
Q771
MUTE
15 HFL
19 JP+
20 JP-
12 CLV+
13 CLV-
17 TOFF
24 RF GAIN XIN 45
X701
16.9344MHz
XOUT 44
56 COIN
61 4.2M
57 CQCK
54 RWC
18
TGL
WRQ 53
SQOUT 55
PDO 3
D732
28 SHUTER IN/OUT
26 D_MUTE
27 LIMIT SW RES 58
20 20
CD-L
A MAIN
SECTION
• R-CH is omitted due to same as L-CH
• Signal Path
: CD
IC601 (1/3)
CD CHANGER
CONTROL
IC711
73 CD MUTE
TABLE
CD NUMBER SENSOR 71
SENSOR
CD BUSY 70
(PIC UP/DOWN)SW
69 WRQ
99 SQOUT
CD OPEN 80
CD CLOSE 67
IC701
9
CD MOTOR+ 4 4
MOTOR
M
DRIVER
CD MOTOR- 5 7 2
76 CD RESET
98 COIN
100 SQCK
6 CD RWC
68 CD DRF
74 CD SLED(+)
75 CD SLED(-)
S711
UP/DOWN
S701
OPEN/CLOSE
M721
(TURN)