Block Diagram -Cd Section - Sony PMC-R30L Service Manual

PMC-R30L
6-3. BLOCK DIAGRAM — CD SECTION —
A
C
B
D
LD
PD
E
F
OPTICAL PICK-UP
BLOCK
(KSS-213C)
TRACKING
COIL
FOCUS
COIL
M702
M
SLED
MOTOR
M701
M
SPINDLE
MOTOR
S701
(LIMIT)
SW701
(CD DOOR)
04
CD BOARD
RF AMP & SYSTEM SERVO PROCESSOR
IC701
CNP701
RF AMP
5
PD1
38
7
6
PD2
39
4
LD ON LASER
LD
10
SWITCH 36 DIODE
SERIAL/
Q701 CONTROL
PARALLEL
12
PD
37 CONVERTER
DECODER
FE AMP
3
E
42
8
F
41
COMMAND
VREF 51 VC
TRACKING
PHASE
13
14
T+
TRACKING
17 TIN
15 19
T– COIL
18
DRIVE
13
F+
FOCUS
26
FIN
16 25
F– COIL
27
DRIVE
7
MUTE
CNB703
4
SL+
SLED
2
SLIN
3 3
SL– MOTOR
1
DRIVE
6
SP+
SPINDLE
12
SPI
5 15
SP– MOTOR
11
DRIVE
SLED/SPINDLE
MOTOR DRIVE
TRACKING/FOCUS
COIL DRIVE
IC702
2
1
CNP705
1
2
– 17 –
DIGITAL SIGNAL PROCESSOR, D/A CONVERTER
RF O RF
33 35 EFM DEMODULATOR
FOK
FOK
27 18
D/A
C. OUT
CNIN
INTERFACE
24 11
IIL
SENS1
SEIN
25 10 SERVO
SENS2
TTL
AUT
26
SUB CODE
SEQ.
PROCESSOR
DATA
DATO
22 12
XLT
XLTO
21 13
CLK CLKO
TTL
20 14
IIL
XRST
23 79 XRST
DIGITAL
FOCUS CLV
PHASE
6 16 21 15 17
10
2
10
8 4 CD
34 C-DOOR
SYSTEM CONTROL
IC801 (1/2)
74
9
9
MAIN BOARD
(1/2)
RADIO ON
COM
RA5V SWITCH CD5V
5V
Q306
CNP704
IC703
PWM
AOUT1
AMP
65
DIGITAL
LOUT1
67
FILTER
SERIAL
&
INTERFACE
AOUT2
D/A
76
CONVERTER
LOUT2
74
PWM
AMP
CPU INTERFACE
6 5 4 57 7 8 9 62 70•71
X701
16.9344MHz
CNP702
11 5 6 9 7 4 3 2 1
1 7 6 3 5 8 9 10 11
CNP806
7 6 12 11 2 24 23 22 27
76
CONTROL BOARD (1/2)
CNP805
11
• Signal path
11
CNP303
CD ON
COM
SWITCH
5V
R-ch : same as L-ch.
Q302,307
– 18 –
1
3
CD L-CH
MAIN
SECTION
(Page 19)
1
R-CH
: CD