Block Diagram - Bd/Driver Section - Sony HCD-EC55 Service Manual

HCD-EC55/EC77/GX99
Q Q
7-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
3 7 6 3 1 5 1 5 0
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
DETECTOR
15
VCC +3.3V
16
VC +1.7V
12
A
11
B
10
C
13
D
14
E
9
F
Q301
AUTOMATIC
LD
POWER
7
CONTROLLER
GND
8 X102
16.934MHz
PD
5 IC401
T E
VR L 1 3 9 4 2 2 9 6 5 1 3 +3.3V
SL/SP MOTOR
DRIVER
FOCUS/TRACKING
6
COIL DRIVER
S201
(LIMIT)
F+
26
VD4+
4
FOCUS
3
IN1
COIL
F
27
VD4-
1
9
IN2'
T+
18
VD3+
3
TRACKING
20
IN3'
COIL
T
17 VD3-
2
23
BIAS
SP+
2
VO1+
M401
(SPINDLE) M
24
IN4'
1
VO1-
SP
SL+
12
VO2-
M402
(SLED) M
11 VO2+
SL
MUTE 7
w w w
HCD-EC55/EC77/GX99
IC101
RF AMP,DSP,MP3
95 FN11(A) +1.5V
97 FP11(B)
94 FN12(C)
96 FP12(D)
100 TN1(E)
98 TP1(F)
91 LDo
I/O-BUS0
BUS0 38
I/O-BUS1
24 XO
BUS1 39
I/O-BUS2
BUS2 40
23 XI I/O-BUS3
BUS3
41
O-CD-BUCK
BUCK(CLK) 42
O-CD-RST
42 MD1
RST 37
O-CD-CCE
43
CCE
O-CD-REQ
48
P100
20 IOO(/MSO)
O-CD-SBSY
SBSY 54
I-CD-ZDET
ZDET 58
13
DMO
12
FMO
10
TRo
11
VREF
9
F0o
CD-L
LO 30
CD-R
RO 27
21 I01(/UHS0)
M-MUTE
x a o
y
. i
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SYSTEM CONTROLLER
IC301
(1/2)
I-CD-SW3
IC201
I-CD-SW1
5 1 + I-CD-CHACK
3.3V
+1.5V
REG
3
I-CD-SW2
I-CD-CLOSE
I-CD-STOCK
I-CD-OPEN
I/O-BUS0
17
I/O-CD-BUS0
I/O-BUS1
18 I/O-CD-BUS1
I/O-BUS2
O-CD-M1+
19 I/O-CD-BUS2
I/O-BUS3
20 I/O-CD-BUS3
O-CD-BUCK
25
O-CD-BUCK
O-CD-CCE
26
O-CD-CCE
O-CD-M1-
O-CD-REQ
Q Q
31
O-CD-REQ
3 7 6
O-CD-SBSY
43
O-CD-SBSY
O-CD-M-MUTE
30
O-CD-M-MUTE
I-CD-ZDET
29 I-CD-ZDET
O-CD-RST
27 O-CD-RST
O-CD-M2+
O-CD-M2-
I-MODEL I-SUFFIX
46
MAIN
A
SECTION
(Page 32)
u 1 6 3
30 30
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2 4
8 9 9
I-SW3
5
I-SW1
7
I-CHACK
21
I-SW2
6
I-CLOSE
22
I-STOCK
23
I-OPEN
24
Q313,318
8
MOTOR
DRIVER
Q314,317
10
MOTOR
DRIVER
3 1 5 1 5 0 8 9
Q311,316
11
MOTOR
DRIVER
Q312,315
12
MOTOR
DRIVER
47
Q307-310
CD
MOTOR
CONTROLLER
AVCC
m
c o
.
2
8 9 9
CD MECHANISM DECK
+
M
-
2 4 9 8 2 9 9
+
M
-
V-STBY
• Signal Path
: CD