Block Diagram - Bd/Driver Section - Sony HCD-GB3 Service Manual

HCD-GB3
Q Q
7-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
3 7 6 3 1 5 1 5 0
OPTICAL PICK-UP
BLOCK
(KSM-213DCP/C2NP)
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/TRUCKING
COIL DRIVER
S201
(LIMIT)
F+
12 CH2OUTF
T E
L 1 3 9 4 2 2 9 6 5 1 3
FOCUS
CH1FIN 4
COIL
F
11 CH2OUTR
CH1RIN 5
T+
13 CH1OUTR
TRACKING
CH2FIN 6
COIL
T
14
CH1OUTF
CH2RIN 7
SP+
16 CH4OUTF
M401
M
CH3FIN 23
(SPINDLE)
15 CH4OUTR
SP
CH3RIN 22
SL
18
CH3OUTR
M402
M
2
(SLED) OPIN+
17 CH3OUTF
SL+
MUTE
20
w w w
HCD-GB3
IC201
RF AMP,DSP,MP3
57 A
CD-L
AOUT1 112
58 B
A
59 C
CD-R
60 D
AOUT2 117
50
E
51 F
DATA-MP3
DATA2 12
CLK-MP3
CLK2 90
66 LD
XLAT-MP3
XLAT-MP3 13
REQ-MP3
REQ-MP3 14
IREQ-MP3
108 XTAO
IREQ-MP3 10
ACK-MP3
ACK-MP3 15
109 XTAI
XTACN
XTACN 7
XRST
XRST 8
67 PD XLAT
XLAT 16
DATA
DATA 89
CLOCK
CLOCK 11
39 SSTP
SENS
SENS 20
SCOR
SCOR 26
43 TFDR
44 TRDR
45 FFDR
46
FRDR
41
SFDR
42
SRDR
38 MPD
M-MUTE
+1.8V
x a o
y
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SYSTEM CONTROLLER
IC701
(1/2)
P41/LED1
P42/LED2
P43/LED3
MAIN
SECTION
P50/TINO
(Page 24)
P51/TIN1
P52/TIN2/PPGO
P53/PPG1
5 P30/SO3
6 P31/SC3
10 P35/IC1
12 P37/OCU1
49 P74/SDA/SC2
P75/SCL/SO2
50
34 P76
3 P26
8 P33/TMCK
31 P56/SO0
30 P55/SC0
29 P54/SI0
Q Q
43 P67/AN7/INT2
3 7 6
11
P36/OCU0
IC203
+1.8
3 1 3.3V
REG
u 1 6 3
.
22 22
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2 4
8 9 9
18
19
20
25
26
27
28
Q670,671
M1+
MOTOR
DRIVE
Q669,672
M1-
MOTOR
DRIVE
MAIN
B
SECTION
(Page 24)
Q665,668
3 1 5 1 5 0 8 9 2
M2+
MOTOR
DRIVE
Q666,667
M2-
MOTOR
DRIVE
Q661-664
CD
MOTOR
CONTROL
m
c o
2
8 9 9
CD MECHANISM DECK
BLOCK
SW3
SW1
SW2
SW7(CHACK)
SW6(CLOSE)
SW5(STOCK)
SW8(OPEN)
+
M
M1
-
4 9 8 2 9 9
+
M
M2
-
VM9V
• Signal Path
: CD