Block Diagram - Cd Section - Sony HCD-CP500MD Service Manual

HCD-CP500K/CP500MD
7-2. BLOCK DIAGRAM – CD SECTION –
OPTICAL PICK-UP
BLOCK
VC
VCC +5V
A
B
C
D
E
F
Q101
LD
LD
DRIVE
GND
PD
VR
F+
F-
T+
T-
SLED
MOTOR
SPINDLE
MOTOR
+5V
Q102
SWITCH
IC103
RF AMP
27 VC
RFC 26
25 VFC
6 A RFAC 15
7 B RFDCO 28
8 C
9
D FE 16
10 E TE 18
11 F
1 LD SW 12 +3.3V
FEI 17
RFDCI 29
S101
2 PD
LIMIT
IN
SWITCH
IC702
MOTOR/COIL DRIVE
14 VO1(+) OPIN1(+) 2
13 VO1(-) OPIN1(-) 3
11 OPIN2(+)
VO2(-) 5
12 VO2(+) OPIN(2-) 6
15 VO4(+) OPIN4(+) 27
M
16 VO4(-) OPIN4(-) 26
18 VO3(-) OPIN3(-) 23
M
17
VO3(+)
STBY1 9
STBY2 20
IC551
DIGITAL
OPTICAL
IN
IC101
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
D OUT 64
50 RFAC
43 RFDC
MASTER CONTROL
39
FE
41 TE
40 SE
CTRL1(1-2)
XTSL 69 3 XTSL
DATA
DATA 4 34 CD-DATA
CLK
CLOK 6 27 CD-CLK
XLT
26 SSTP
XLAT 5 22 XLT
SQSO
SQSO 76 32 SQ-DATA-IN
SENS
SENS 7 23 SENS
SCLK
33 FFDR SCLK 8 33 SQ-CLK
SQCK 77
SCOR
34 FRDR
SCOR 15 19 SCOR
31
TFDR
XTAI
71
X101
32 TRDR
33.8MHz
XTAO 72
29 SFDR
30 SRDR
XRST 2
25 MDP
LDON
25
LDON
XRST
39 CD_XRST
PWM1
28
BU_PWM 1
PWM2
26 BU_PWM 2
PWM3
24 BU_PWM 3
42 42
IC503
SELECTOR
1
3
2
4
6 DIN
A
5
9
8
10
12
11
13
IC306(1/3)
OPT-SEL 21
• Signal Path
: CD (DIGITAL)
:DIGITAL IN (OPTICAL)
+3.3V
MD
SECTION
(Page 44)
Q103,D101
+3.3V
+5V
REG