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

HCD-EC55/EC77/GX99
7-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
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
X102
8
16.934MHz
PD
5 IC401
VR +3.3V
SL/SP MOTOR
DRIVER
FOCUS/TRACKING
6
COIL DRIVER
S201
F+ (LIMIT)
26 VD4+
4
FOCUS
3
IN1
COIL
F
27
VD4-
1
9
IN2'
T+
18
VD3+
3
TRACKING
IN3' 20
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
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
P100 48
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
SYSTEM CONTROLLER
IC301
(1/2)
IC201
+ I-CD-CHACK
5 1 3.3V
+1.5V
REG
3
I-CD-CLOSE
I-CD-STOCK
I/O-BUS0
17 I/O-CD-BUS0
I/O-BUS1
18
I/O-CD-BUS1
I/O-BUS2
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-REQ
31
O-CD-REQ
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
I-MODEL I-SUFFIX
46
MAIN
A
SECTION
(Page 32)
30 30
I-SW3
5
I-CD-SW3
I-SW1
I-CD-SW1 7
I-CHACK
21
I-SW2
6
I-CD-SW2
I-CLOSE
22
I-STOCK
23
I-OPEN
I-CD-OPEN 24
Q313,318
8
O-CD-M1+ MOTOR
DRIVER
Q314,317
O-CD-M1- 10
MOTOR
DRIVER
Q311,316
O-CD-M2+ 11
MOTOR
DRIVER
Q312,315
O-CD-M2- 12
MOTOR
DRIVER
47
Q307-310
CD
MOTOR
CONTROLLER
AVCC
CD MECHANISM DECK
+
M
-
+
M
-
V-STBY
• Signal Path
: CD