Sony HCD-EC55 - BLOCK DIAGRAMS

3030
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
7-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
: CD
• Signal Path
Q313,318
Q314,317
Q311,316
Q312,315
A
MAIN
SECTION
(Page 32)
+
-
+
-
M
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
AUTOMATIC
POWER
CONTROLLER
Q301
+1.7V
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
SP+
SP
SL+
SL
TRACKING
COIL
IC401
S201
(LIMIT)
X102
16.934MHz
+3.3V
SL/SP MOTOR
DRIVER
MOTOR
DRIVER
IC101
RF AMP,DSP,MP3
26
20
27
18
17
VR
PD
2
1
12
11
3
24
7
MUTE
M
M
(SPINDLE)
(SLED)
VCC
VC
A
B
C
D
E
F
DETECTOR
FN11(A)
FP11(B)
TN1(E)
100
TP1(F)
98
LDo
91
42
13
20
10
21
9
M-MUTE
BUCK(CLK)
RST
CCE
P100
SBSY
27
RO
30
LO
24
XO
23
XI
95
97
FN12(C)
94
FP12(D)
96
ZDET
CD-L
CD-R
12
11
9
3.3V
+1.5V
IC201
SYSTEM CONTROLLER
IC301
(1/2)
23
5 1
3
BUS3
40
41
42
43
48
54
58
37
BUS2
39
BUS1
38
BUS0
+1.5V
REG
43
31
26
25
20
19
18
17
24
23
8
22
6
21
7
5
30
29
27
10
FOCUS/TRACKING
COIL DRIVER
MOTOR
DRIVER
M
MOTOR
DRIVER
11
12
46
47
MOTOR
DRIVER
Q307-310
V-STBY
CD
MOTOR
CONTROLLER
CD MECHANISM DECK
15
16
12
11
10
13
14
9
7
8
5
6
4
1
3
2
M401
M402
VD4+
VD4-
VD3+
VD3-
VO1+
VO1-
VO2-
VO2+
IN1
IN2'
IN3'
BIAS
IN4'
IOO(/MSO)
DMO
FMO
TRo
VREF
F0o
I01(/UHS0)
MD1
I/O-BUS0
I/O-BUS0
I/O-CD-BUS0
I/O-BUS1
I/O-CD-BUS1
I/O-BUS1
I/O-BUS2
I/O-CD-BUS2
I/O-BUS2
I/O-BUS3
I/O-CD-BUS3
I/O-BUS3
O-CD-BUCK
O-CD-BUCK
O-CD-BUCK
O-CD-CCE
O-CD-CCE
O-CD-CCE
O-CD-REQ
O-CD-REQ
O-CD-REQ
O-CD-SBSY
O-CD-SBSY
O-CD-SBSY
O-CD-M-MUTE
O-CD-M-MUTE
I-CD-ZDET
I-CD-ZDET
I-CD-ZDET
O-CD-RST
O-CD-RST
O-CD-RST
I-SW3
I-CD-SW3
I-SW2
I-CD-SW2
I-SW1
I-CD-SW1
I-CHACK
I-CD-CHACK
I-STOCK
I-CD-STOCK
I-OPEN
I-CD-OPEN
I-CLOSE
I-CD-CLOSE
O-CD-M1+
O-CD-M2+
O-CD-M1-
O-CD-M2-
I-MODEL I-SUFFIX
AVCC
+