Block Diagram -Cd Section - Sony D-E221 Service Manual

5-2. BLOCK DIAGRAM — CD SECTION —
DETECTOR
A A
B B
RF RF
E
E
F F
VCC
VCC +2V
OPTICAL PICK-UP
BLOCK (DAX-23E)
FO1
S+
32
M501
M
DRIVER
SLED MOTOR
S-
RO1
30
F+
FO2
28
FOCUS
DRIVER
COIL
F-
RO2
26
T+ FO3
23
TRACKING
DRIVER
COIL
T-
RO3
21
FO4
C+
19
M502
M
DRIVER
SPINDLE
C- RO4
MOTOR
17
OPTICAL
PICK-UP
LD RF2
POWER
LD 63
CONTROL
Q403,405
INM2
64
RF21
59
PD
PAPC
PD AMP
PD 60
• Signal Path
: CD PLAY
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVER
IC401 (1/3)
FI1
33
RI1
34
FI2
LEVEL 35
CONTROLLER
RI2
SHIFTER
36
FI3
13
RI3
14
COMP OUT
PWM/FI4
15 10
PDL/RI4
16
VINDET
LD AMP
62 B+ +3V
APCREF
61
A
62
B
61
RFDC
58
RFAC
71
E
59
F
60
SFDR
46
SRDR
47
FFDR
50
FRDR
51
TFDR
48
TRDR
49
(Page 15) A
COMPARATOR
IC401 (2/3)
SAW TOOTH C176
12 42
MDP MDP
+
11 43
MDS
44
17
SDTO
(Page 15) B
(Page 15)
25
48 XAPC_OFF_O
13 13
RF AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC601
WDCK
WFCK
MDS
XTAO
XTAI
4
RFAC
SIGNAL
PROCESSOR
BLOCK
MEMORY
10
CONTROLLER,
BUS BOOST
BLOCK
MDP
XSOE
SENS
R4M
XLAT
CLOK
SCOR
SDTO
2
LPF
FOK
RFDC FFDR
E
FRDR
SERVO
F TFDR
BLOCK
B TRDR
A SFDR
SRDR
23 26 25 24 30 28 78 83 35
SCK
C
12 11 10 43 79 44 26 27 35 3
SYSTEM CONTROLLER
IC801 (1/3)
D-E221/E223
D0-D3
A0-A9
XRAS
113
XWE
114
XCAS
119
XOE
120
XTAI
93
X601
16.9MHz
XTAO
94
AOUT1
99 1
AOUT2
102 2
1
(Page 14)
AMUTE
13
XRST
21 3