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30
30
HCD-DZ230/DZ231/HDZ235
HCD-DZ230/DZ231/HDZ235
6-1. BLOCK DIAGRAM – RF SECTION –
: CD PLAY
: DVD PLAY
: AUDIO
• Signal Path
DETECTOR
6
2
3
4
5
11
10
19
18
252
253
DVDRFIP
DVDA
DVDB
DVDC
DVDD
TPI
TNI
MD
MC
29 V2O
D
C
LD01
MDI1
LD02
MSW
IOP
MDI2
OSP
OSN
IC1101 (1/2)
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
OPTICAL PICK-UP
BLOCK
(KHM-313CAA)
2AXIS
DEVICE
FOCUS/
TRACKING
COIL
23
20
LIM SW
(LIMIT SW)
130
22
21
36
48
43
15
37
1
Q1102 (2/2)
AUTOMATIC POWER
CONTROL (FOR DVD)
Q1101, Q1103
VOLUME CONTROL
Q1102 (1/2)
AUTOMATIC POWER
CONTROL (FOR CD)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
42
41
BUFFER
35
3
34
4
TRACKING COIL
DRIVE
32
31
38
42
39
37
41
30
50
BUFFER
IC1201
FOCUS/TRACKING COIL DRIVER,
LOADING/SPINDLE/SLED MOTOR DRIVER
27
28
M
M
(SPINDLE MOTOR)
46
47
FMO
TROPENPWM
FOO
DND
TRO
V REFO
SPFG
40 IOPMON
FOO
RF
A
B
C
D
F
E
VC
CD LD
PD
VR650
VR780
MSW
DVD LD
FCS+
FCS–
TRK+
+3.6V
+2.5V
TRK–
SP+
SP–
SL+
SL–
D
C
B
A
VREFO
9 NB
B
8 NA
A
30
29
SLED MOTOR
DRIVE
SPINDLE MOTOR
DRIVE
M
M
(SLED MOTOR)
51
BUFFER
MCS
19
20
22
21
40
45
IC501 (1/5)
SYSTEM
CONTROLLER
IC4501 BUFFER
98
IFCK
DVD_SCO
33
99
XIFCS
DVDXIFCS
37
108
XSYSRST
MTKRST
SYSRST
SCO
SCD
SID
38
97
IFSDO
DVD_SOD
32
100
IFSDI
53
OCSW
CDM_OPEN_SW
27
112
IFBSY
CKSW
DVD_XIFBUSY
34
DVD_SID
31
TRO
FMO
FOO
DMO
TRO
10
13
16
17
7
6
FMO
DMO
172 REV
173 FWD
171 MUTE123
169 MUTE
168 TSD_M
22
24
25
52
CKSW
OCSW1
S001
M203
(CHUCK/TRAY DETECT)
M
M
(LOADING MOTOR)
LDM+
LDM-
28
V2REFO
105
RXD
106
TXD
5
6
2
1
210
ASDATA4
211
ASDATA2
209
ASDATA1
212
ADIN
214
ACLK
203
ALRCK
202
ABCK
RFMON
CN1105
TO DIAG JIG
V2REFO
RXD
TXD
B
AUDIO
SECTION
(Page 32)
AMP
SECTION
(Page 33)
AMP_D1
AMP_D2
AMP_D3
AMP_MCKO
ABCK
ALRCK
ACLK
AD-IN
AMP_BCKO
AMP_LRCKO
A
2
18
4
5
8
7
16
15
12
13
14
6