Block Diagram - Bd/Driver Section - Sony HCD-EC70 Service Manual

HCD-EC70
6-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
DETECTOR
VCC
+1.7V
VC +3.3V
A
B
C
D
E
F
Q321
AUTOMATIC
LD
POWER
CONTROL
GND
X201
16.9344MHz
PD
IC402
VR +3.3V
SL/SP MOTOR
DRIVER
FOCUS/TRACKING
COIL DRIVER
S201
(LIMIT)
F+
12 CH2OUTF
FOCUS
CH1FIN 4
COIL
F
11 CH2OUTR
CH1RIN 5
T+
13 CH1OUTR
TRACKING
CH2FIN 6
COIL
T
14 CH1OUTF
CH2RIN 7
SP+
16 CH4OUTF
M
(SPINDLE)
CH3FIN 23
15 CH4OUTR
SP
CH3RIN 22
SL+
18 CH3OUTR
(SLED) M
2
OPIN+
17 CH3OUTF
SL
MUTE
20
HCD-EC70
IC201
RF AMP,DSP,MP3
57 A +1.8V
58 B
59 C
60 D
50 E
51 F
66 LD
IREQ-MP3
IREQ-MP3 10
CLK-MP3
108 XTAO
90
CLK2
DATA-MP3
DATA2 12
109 XTAI ACK-MP3
ACK-MP3 15
XTACN
XTACN 7
XRST
67 PD
XRST 8
DATA
DATA 89
XLAT
XLAT 16
39 SSTP
CLOCK
CLOCK 11
SENS
20
SENS
SCOR
SCOR 26
43 TFDR
44 TRDR
XLAT-MP3
XLAT-MP3 13
45 FFDR
REQ-MP3
REQ-MP3
14
46 FRDR
41 SFDR
CD-L
AOUT1 112
42 SRDR
CD-R
117
38 MPD AOUT2
M-MUTE
SYSTEM CONTROLLER
IC701
(1/2)
IC203
5 1 3.3V
+1.8
REG
3
P52/TIN2/PPGO
M-MUTE
11 P36/OCU0
REQ-MP3
12 P37/OCU1
ACK-MP3
P45/LED5/TOT0
50 P75/SCL/SO2
CLK-MP3
6 P31/SC3
DATA-MP3
5 P30/SO3
IREQ-MP3
49 P74/SDA/SC2
XLAT-MP3
10 P35/IC1
SCOR
43 P67/AN7/INT2
SENS
29 P54/SI0
CLOCK
30 P55/SC0
XLAT
8 P33/TMCK
P47/LED7/TOT2
DATA
31 P56/SO0
XRST
3 P26
XTACN
34 P76
P46/LED6/TOT1
MAIN
A
SECTION
(Page 24)
22 22
P41/LED1
18
P42/LED2 19
P50/TINO 25
P43/LED3
20
P51/TIN1 26
27
P53/PPG1 28
Q669,670
22 MOTOR
DRIVE
Q671,672
P44/LED4
21 MOTOR
DRIVE
Q665,666
24
MOTOR
DRIVE
Q667,668
23 MOTOR
DRIVE
Q661-664
CD
MOTOR
CONTROL
CD MECHANISM DECK
BLOCK
+
M
-
+
M
-
VM9V
• Signal Path
: CD