Read Sony HCD-GTX66 / HCD-GTX77 / HCD-GTX77BP / MHC-GTX66 / MHC-GTX77 / MHC-GTX77BP Service Manual online
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31
HCD-GTX66/GTX77/GTX77BP
HCD-GTX66/GTX77/GTX77BP
6-1. BLOCK DIAGRAM — RF/SERVO SECTION —
(Page 34)
SECTION 6
DIAGRAMS
DETECTOR
97
95
94
96
98
100
FNI1
FPI1
FNI2
FPI2
TPI
TNI
LD0
MDI
CD RF AMP,
FOCUS/TRACKING ERROR AMP,
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
DIGITAL FILTER,D/A CONVERTER
IC101
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
91
92
26
27
24
AUTOMATIC
POWER
CONTROL
Q301
LASER
DIODE
FOCUS COIL
DRIVE
18
17
20
TRACKING COIL
DRIVE
12
9
13
10
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
IC401
2
1
SPINDLE MOTOR
DRIVE
M
M
M401
(SPINDLE)
M
M
M402
(SLED)
FMO
FOO
DND
TRO
23 XI
24 XO
VREF
FOO
B
C
D
F
E
LD
PD
FCS+
FCS–
SL–
SL+
SP+
SP–
TRK+
TRK–
VC
VREF
VREF
11
PREF
77
VRO
84
SLED MOTOR
DRIVE
23
7
XRST
1
24
SBSY
19
BIAS
MUTE
MMUTE
2
4I/O
11
TRO
FMO
FOO
DMO
TRO
FMO
DMO
30
27
CD+1.5V REG
IC201
DVDD+3.3V
CD+1.5V
LO
RO
CD LCH
CD RCH
47
AOUT2(PO5)
DATA
63
BCK(PO8)
CLK
51
PIO3
GATE
49
PIO1
ST REQ
65
AIN(PI4)
AIN
66
BCKI(PI5)
BCKIN
67
LRCKI(PI6)
SELECT
1
12
1B
3
1Y
4C
3C
2C
1C
4
2Y 7
1A
2
2A
5
2B
6
3A
11
6
5
13
4O/I
3I/O
3O/I
2I/O
2O/I
1I/O
1O/I
10
23
22
21
6
39
3
5
38
BUS0
9
8
39
BUS1
3
4
40
BUS2 (SO)
1
2
11
10
9
8
3
4
1
2
41
BUS3 (SI)
48
PIO1
LRCKIN
BUS3
BUS3
BUS2
BUS1
BUS0
3Y 9
4Y 12
REQ
CCE
3B
10
4A
14
4B
13
BUCK
VM+7V
20 IO0(/HSO)
USB
SECTION
B
MAIN
SECTION
A
• Signal Path
11
12
9
3
93
CCE
BUS0
BUS1
BUS1
BUS2
BUS3
BUS3
SEL SW
CDCLK
CDCCE
CDCCE
MP3IREQ
42
BUCK
37
RST
54
SBSY
4I/O
12
4C
3C
2C
1C
6
5
13
4O/I
3I/O
3O/I
2I/O
2O/I
1I/O
1O/I
21
•
22
X102
16.934MHz
S201
(LIMIT)
DVDD+3.3V
SYSTEM CONTROL
IC401 (1/6)
SELECT SWITCH
IC567
SELECT SWITCH
IC566
SELECT SWITCH
IC568
SELECT
SWITCH
Q602
A
: CD PLAY
: DIGITAL
: USB
(Page 33)
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