Block Diagram -Cd Servo Section - Sony HCD-ZUX999 Service Manual

HCD-ZUX999
5-1. BLOCK DIAGRAM – CD SERVO Section –
OPTICAL PICK-UP
BLOCK
(KSM215DHAP)
VC
CD A +3.3V
A
B
C
D
E
F
LD
GND
PD
VR
VC
F+
FOCUS
COIL
F–
T–
TRACKING
COIL
T+
+
M401
M
(SPINDLE)
–
+
M402
M
(SLED)
–
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY (ANALOG)
: CD PLAY (DIGITAL)
HCD-ZUX999
DIGITAL SERVO, DIGITAL SIGNAL PROCESSOR, D/A CONVERTER
IC201
AOUT1 81
25 VC
AOUT2 R-CH
86
26 A DOUT 71
27
B
28 C
29 D
19 E
20 F
DATA 102
LD DRIVER
36 LD
Q321 CLOK
105
XLAT 104
37 PD SCOR 115
SENS 107
25
VC
SPINDLE/SLED MOTOR DRIVER,
FOCUS/TRACKING COIL DRIVER
IC401
VREF 22
S201
52 VO1+ IN1+ 35 13 FFDR
(LIMIT IN)
47 VO1– IN1– 34 14 FRDR SSTP 7
X201
56 11
VO2+ IN2+ 32 TFDR
67.7376MHz
XTAI 78
55 VO2– IN2– 31 12 TRDR
XTAO
77
IN3+ 27 9 SFDR
XRST 100
IN3– 26 10 SRDR
10 VO4+
95
XTACN
23 6
IN4 MDP
VO4–
5
D440
2 VO3+
8
STBY
1 VO3–
SW 19
A
CD-L
SECTION
(Page 31)
DOUT
B
CD-RST
(Page 32)
DSP
IC605 (1/3)
69 CD_DATA
62
CD_CLK
66 CD_XLAT
64
CD_SCOR
68 CD_SENS
TXD3 81
RXD3 73
CTS3 82
71 CDX-T-TACN
D441
70 CD-GAINSW
30 30
AUDIO
USB
SECTION
SYSTEM CONTROL
IC111 (1/6)
35 STALLIO_TXD_OUT
Q731
STALLIO_RXD_IN
36
38 STALLIO_RTS TBL-SENSE 2
FIN
LM-F 48 7
RIN
LMR 3 9
FIN
TM-F 45 7
RIN
TM-R 47 9
CDM ENCODER SW0 81
CDM ENCODER SW1 80
CDM ENCODER SW2 79
OPEN-SW 21
TABLE ADDRESS SENSOR
IC731
3 2 M+9V
4 1
LD MOTOR DRIVER
IC701
OUT2
MOTOR 2 M751
M M
OUT1
DRIVE (LOADING)
4
TBL MOTOR DRIVER
IC712
OUT2
MOTOR 2 M741
M M
OUT1
DRIVE (TABLE)
4
RE701
ROTARY ENCODER
DISC TRAY
ADDRESS DETECT
S751
OPEN/CLOSE
DETECT