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6.
BLOCK DIAGRAMS
6-1.
BLOCK DIAGRAM – SERVO Section –
1
RFIP
ATOP
ATON
12
A
11
B
10
C
9
D
DETECTOR
5
A2
6
B2
7
C2
8
D2
13
E
14
F
15
G
16
H
AUTOMATIC
POWER
20
LD
CONTROL
Q001
PD
LD
LASER DIODE
19
PD
OPTICAL PICK-UP
BLOCK
(KHM-220AAA/J1N1)
FOCUS/TRACKING COIL DRIVE,
TILT MOTOR DRIVE
IC801
2-AXIS DEVICE
(TRACKING) (FOCUS)
14
FOCUS COIL
DRIVE
13
12
TRACKING
11
COIL DRIVE
(TILT)
TIA+
M M
17
TIA–
18
TILT MOTOR
TIB+
DRIVE
15
TIB–
16
INLIMIT
SENSOR
SLA+
M M
(SLED)
14
SLA–
13
SLED MOTOR
SLB+
DRIVE
12
SLB–
11
(SPINDLE)
SPM+
M M
16
SPINDLE MOTOR
SPM–
15
DRIVE
SPINDLE
ERROR AMP
SPINDLE/SLED
IC803 (1/2)
MOTOR DRIVE
IC802
05
64
61
AIP
FNP
50
51
DIP
SIGO
54
63
62
AIN
FNN
49
52
DIN
SSOUT
59
58
CLM
SIGDET
47
HOLD1
48
DVD/CD RF AMP,
FOCUS/TRACKING ERROR AMP
FE
40
IC001
TE
39
SCLK
43
SWD
44
SRD
45
SDEN
46
PI
29
MIN
28
DFT
31
HOLD2
42
TZC
32
MIRR
26
27
DEFECT
SWITCH
Q002
FCD+
2
FCD–
3
TRD+
5
TRD–
6
D806
9
TE GAIN
7
CONTROL AMP
IC702 (1/2)
TILTA
23
TILTB
26
D805
Q801
20
SLDA
3
STVC
2
SLDB
6
D804 (1/2)
5
9
D801
D803
26
20
DIGITAL SERVO
SIGNAL PROCESSOR
2.5VC
IC701
2VC
68
ADC1
1.6VC
69
ADC0
41
GIO8
42
GIO7
43
GIO6
CENTER VOLTAGE
44
GIO5
GENERATOR
IC702 (2/2)
67
ADC2
7
28
DFCTI
23
FGIN
22
FGAEF
HD8 – HD15
38
GIO11
FCD+
85
DAB2
FCD–
80
DAB3
HA0, HA1
EA0,
EA1
TRD+
97
DAB0
TRD–
92
DAB1
TRIN
21
66
ADC3
X2
108
TILTA
48
GIO1
TILTB
49
GIO2
HRD
1
HMR
2
46
GIO4
HCS
3
HINT
128
20
TRREF
GIO10
39
SLDA
9
PWM0
SLDB
8
PWM1
RS
26
STVC
7
PWM2
D701
50
GIO0
65
ADC4
D807
D804 (2/2)
D802
21
21
DVD/CD RF
1
(Page 22)
DVD +5V
CENTER VOLTAGE
DVD +3.3V
GENERATOR
IC803 (2/2)
7
5
8
10
1
3
DVD +3.3V
5
HD8 – HD15
2
DATA BUS
(Page 24)
HA0, HA1
3
(Page 24)
ADDRESS BUS
LOCK
4
(Page 22)
N27MSDP
5
(Page 23)
X3VRST
6
(Page 29)
117
SDSPRD
116
SDSPWR
118
SDPCS
115
SDPIT
54
FCSON
114
SDPRST
GATE ARRAY
IC601 (1/3)
SIGNAL PATH
: DVD PLAY
57
SPDLSTOP
: CD PLAY
93
XDRVMUTE
91
LDMM/DMM
MDS0/MDP0
7
(Page 22)
HCD-ZX70DVD
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