Diagrams; Block Diagram - Rf/Servo Section - Sony HCD-GTX66 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-1. BLOCK DIAGRAM — RF/SERVO SECTION —
A
95
FNI1
B
97 FPI1
C
94 FNI2
DETECTOR
D
96
FPI2
F
98
TPI
E
100
TNI
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
VREF
VC 11 VREF
77 PREF
84
VRO
AUTOMATIC
LASER LD
POWER
91 LD0
DIODE
CONTROL
Q301
PD 92 MDI
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
T E FCS+
L 1 3 9 4 2 2 9 6 5 1 3
26
FOCUS COIL
FCS–
2AXIS
27
DEVICE
FOCUS/
TRK+
TRACKING
18 TRACKING COIL
TRK–
COIL
17
VM+7V
21
•
22
SL–
M402
11
SLED MOTOR
M
M SL+
(SLED)
12
SP+
M401
2 SPINDLE MOTOR
M SP–
M
(SPINDLE)
1
w w w
HCD-GTX66/GTX77
SECTION 6

DIAGRAMS

AOUT2(PO5)
CD RF AMP,
FOCUS/TRACKING ERROR AMP,
DIGITAL SIGNAL PROCESSOR,
LRCKI(PI6)
DIGITAL SERVO PROCESSOR,
DIGITAL FILTER,D/A CONVERTER
IC101
BUS2 (SO)
IC401
FMO
12
FMO
FOO
9
FOO FOO
24
DRIVE
DMO
13 DND
TRO
10 TRO
TRO
20
DRIVE
FMO
9
DMO
3
DRIVE 23 XI
X102
16.934MHz
24 XO
DRIVE
DVDD+3.3V
BIAS 23 VREF
S201
MUTE 7
(LIMIT)
20 IO0(/HSO)
x a o
y
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CD+1.5V REG
CD+1.5V DVDD+3.3V
IC201
CD LCH
30 MAIN
LO
A
SECTION
27 CD RCH
RO
(Page 33)
47
DATA
BCK(PO8) 63 CLK
51 GATE
PIO3
49
PIO1 ST REQ
65 AIN
AIN(PI4)
66 BCKIN
BCKI(PI5)
USB
67 LRCKIN
B
SECTION
BUS3
(Page 34)
BUS2
BUS1
BUS0
REQ
CCE
BUCK
38
BUS0
BUS1 39
40
BUS3 (SI) 41
Q Q
3 7 6
48
PIO1
93
CCE
BUCK 42
SYSTEM CONTROL
IC401 (1/6)
37 1 BUS0 24
RST XRST
BUS1 23
BUS2 22
SBSY 54 19 SBSY
BUS3 21
39
SEL SW
CDCLK 5
2 MMUTE
CDCCE 3
MP3IREQ 6
u 1 6 3
31 31
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2 4
8 9 9
• Signal Path
: CD PLAY
: DIGITAL
: USB
SELECT SWITCH SELECT SWITCH
IC566
11 4C 12 1
4I/O
10
4O/I
3O/I 3
9
3C 6
2
8 3I/O
2O/I
3
2C 5
4 2I/O
5
6
1
1I/O
1C 13
2 1O/I
3 1 5 1 5 0 8 9 2
11
10
14
13
SELECT SWITCH
IC567
SELECT
11 4C 12
4I/O SWITCH
10 Q602
4O/I
3O/I
9
3C 6
8 3I/O
2O/I
3
2C 5
4 2I/O
1 1I/O
13
2 1O/I 1C
m
c o
.
HCD-GTX66/GTX77
2
8 9 9
IC568
SELECT
1B
4
1Y
1A
2A
2Y 7
2B
3Y 9
4 9 8 2 9 9
3A
3B
4Y 12
4A
4B