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HCD-M90
29
29
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – DVD SERVO Section –
•
Refer to servicing notes (page 6) for discrimination of TYPE A/B.
SPINDLE MOTOR
DRIVE
2
64
63
61
62
55
54
56
57
59
14
13
12
11
7
8
9
10
15
16
17
18
19
26
21
22
DVD/CD
DETECTOR
DVD/CD
LASER
DIODE
MODULE
AUTOMATIC POWER
CONTROL (FOR CD)
Q002
25
AUTOMATIC POWER
CONTROL (FOR DVD)
Q001
DVD/CD RF AMP,
FOCUS/TRACKING ERROR AMP
IC001 (SUFFIX-11) IC001 (SUFFIX-22)
42
37
36
35
34
27
28
32
31
30
7
10
29
20
22
13
40
48
1
3
4
FOCUS
COIL
TRACKING
COIL
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC401 (SUFFIX-21) IC401 (SUFFIX-22)
2-AXIS
DEVICE
42
41
40
36
35
45
46
47
48
38
44
27
39
33
37
136
135
137
173
174
175
180
185
144
172
197
+
–
46
47
TRACKING COIL
DRIVE
FOCUS COIL
DRIVE
19
5
45
21
198
199
7
159
161
204
205
202
203
139
140
167
SLED MOTOR
DRIVE
24
TSD-M
POWER SAVE
168
OPTICAL PICK-UP
BLOCK
(KHM-240AAA) (TYPE A)
(KHM-270AAA) (TYPE B)
SERVO DIGITAL
SIGNAL PROCESSOR
156
24
22
RF
A
B
C
D
E
F
G
H
VC
DVD LD
CD LD
PD
SW
INLIM
FCS–
FCS+
TRK–
TRK+
RF IN
A
B
C
D
A2
B2
C2
D2
E
F
G
H
VC
CDLD
DVDPD
CDPD
DVDLD
LDSELO
ATOP
ATON
FNP
FNN
AIP
AIN
DIP
DIN
SIGO
FE
TE
TZIN
PI
PII
SRD
SWD
SCLK
SDEN
DFT
MON
LDON
VCI
MIRR
TZC
196
INLIMIT
SENSOR
166
ADC1
ADC0
ADC2
GIO6/SDI
GIO7/SDO
GIO8/SCK
GIO13
DFCTI
ADC7
GIO5/PGIN
MIRR
PWM0
PWM1
MDSO
MDPO
PDM2
PDM3
PDM0
PDM1
ADC3
ADC4
GIO1/INT3
GIO2/INT4
TZC
GIO0/INT2
XDSPRST
HCS
HINT
XLDON
XSDPIT, XSDPCS,
XSDPIT
XLDON
XSDPCS
XDRVMUTE
• SIGNAL PATH
: DVD PLAY
: CD PLAY
D+3.3V
142 ADC5
143 ADC6
LOADING MOTOR
DRIVE
25
24
16
15
17
M901
(LOADING)
M
M
176 GIO9/FGREF
177 GIO10/FGIN
200 PWM2
39
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299