Read Sony D-F21 / D-F22ST / ICD-BP220 Service Manual online
D-F21/F22ST
13
13
5-2. BLOCK DIAGRAM — CD SECTION —
1
2
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC601
13
97
104
94
93
83
78
28
26
30
35
24
25
23
3
27
26
11
44
43
10
12
25
21
LPF
SIGNAL
PROCESSOR
BLOCK
MEMORY
CONTROLLER,
BUS BOOST
BLOCK
SERVO
BLOCK
BLOCK
• Signal path
: CD PLAY
MDS
44
MDS
MDP
43
MDP
COMP OUT
SENS
SCOR
17
SCOR
42
11
12
10
C176
SDTO
XTAI
XTAO
RFAC
XSOE
R4M
XLAT
XLAT
CLOK
LOUT
ROUT
AMUTE
FOK
FOK
R4M
XSOE
WDCK
WFCK
SDTO
SENS
CLOK
XLA
T
XSOE_O
GRSCOR_I
FOK_I
WFCK_I
SDTO_O
SCOR_I
(SENS) SDTI_I
SCK_O
XLA
T_O
46
47
SFDR
XRST
RFDC
B
A
2
WDCK
WFCK
XTAO
XTAI
E
F
SRDR
TRDR
FRDR
FFDR
TFDR
FFDR
FRDR
59
F
62
61
A
B
58
71
RFDC
RFAC
E
50
51
SFDR
SRDR
48
49
35
36
13
14
61
TFDR
TRDR
OPTICAL PICK-UP
BLOCK (DAX-23E)
BLOCK (DAX-23E)
A
A
CN501
CN503
CN502
B
RF
E
F
B
RF
E
F
PD
PD
LD
LD
DETECTOR
VCC
FOCUS
COIL
TRACKING
COIL
FI2
RI2
33
34
FI1
RI1
FI3
SAW TOOTH
MDP
VINDET
RI3
15
PWM/FI4
16
PDL/RI4
APCREF
VCC1 +2V
FO2
RO2
FO3
RO3
RF2
INM2
RF21
PAPC
F+
F–
T+
T–
+
COMPARATOR
IC401 (2/3)
SYNC
48 XAPC_OFF_O
9
XRST_O
SDTO
SCK
SYSTEM CONTROL
IC801 (1/3)
X601
16.9MHz
CD-L
CD-R
A MUTE
B
C
A
60
28
26
23
21
63
64
59
M502
SPINDLE
MOTOR
FO4
RO4
M
C+
C–
19
17
DRIVER
DRIVER
CONTROLLER
DRIVER
PD AMP
LD AMP
LD
DRIVER
Q403,405
LEVEL
SHIFTER
60
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVE
IC401 (1/3)
B+ +3V
62
D
115 – 118
113
114
119
120
XRAS
XWE
XCAS
XOE
D0-D3
A0-A9
4
10
1-3, 5-7, 106-109
79
XIN_I
M501
SLED
MOTOR
FO1
RO1
M
S+
S–
32
30
DRIVER
13
12
11
7
8
6
4
1
2
3
10
9
1
2
MAIN BOARD (1/3)
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