Read Sony HCD-WZ7AV Service Manual online
18
18
HCD-WZ7AV
5-2. Block Diagrams – CD SERVO Section –
• SIGNAL PATH
: CD
• R-ch is omitted due to same as L-ch.
VO1–
VO1+
6
7
8
9
16
18
11
10
12
2
1
173
137 138
140 141
142 143
27
26
31
32
34
35
1
2
5
10
DETECTOR
A
B
C
D
RF
SUMMING
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RFAC
FE
IC103
RF AMP,
FOCUS/TRACKING ERROR AMP
TE
E
F
F I-V AMP
E I-V AMP
Q101
AUTOMATIC
POWER
CONTROL
APC LD
AMP
LD
LD
PD
LASER DIODE
RFAC
164 FE
160 RFDC
162 TE
163 SE
IC505 (1/2)
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
MDP
133
SFDR
IN3+
IN4
IN3–
VO3+
VO3–
IN2–
IN2+
IN1–
IN1+
SRDR
TFDR
TRDR
FFDR
FRDR
SSTP
135
VO4+
VO4–
M101
(SPINDLE)
MOTOR
DRIVE
MOTOR
DRIVE
VO2–
VO2+
M
M
M102
(SLED)
IC102
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
2-AXIS
DEVICE
(TRACKING)
(FOCUS)
OPTICAL PICK-UP
BLOCK
(A-MAX. 3)
SW
PD
55
56
47
52
168
170 171
169
FILTER
FILO
PCO
CLTV
FILI
EQ
IN
IN
3
4
EQ
AC
SUM
17
FEI
RF DC
AMP
28
RFDCO
29
RFDCI
COIL
DRIVE
COIL
DRIVE
D/A1
D/A3
D/A4
D/A2
IC506
D/A
CONVERTER
RFAC
VCA
(LIMIT)
When the optical
pick-up is inner
position
pick-up is inner
position
ON :
150
149
XTAO
XTAI
X501
33.8688MHz
RFC
26
Q102
FREQUENCY
SELECT SWITCH
93
91
88
124
PCMD
BCK
LRCK
C2PO
C2PO
111
102
109
113
DATA
CLOK
XLAT
SENS
96
126
98
114
SCOR
SQSO
L_SQCK
L_SCLK
131
121
105
GFS
L_FOK
L_CDXRST
189
XTSL
6
5
3
AO5
AO4
AO3
9
AO6
D/A4
D/A2
D/A1
D/A3
STBY
8
RST
4
CLK
DATA
LD
11
12
CLK
10
LD
DI
DATA
BCK
LRCK
C2PO
B
DATA, BCK,
LRCK, C2PO
CONT
DATA
CLOK
XLAT
SENS
SCOR
SQSO
SQCK
SCLK
GFS
FOK
XRST
C
A
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
AUDIO/VIDEO
SECTION
DATA, CLK, LD
D
SYS RST
E
DATA, CLOK, XLAT, SENS,
SCOR, SQSO, SQCK,
SCLK, GFS, FOK, XRST
15
23
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