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6-1.
BLOCK DIAGRAM – RF Section –
RF
VOA/A
VOB/B
DETECTOR
VOC/C
VOD/D
VOF/F+H
VOE/E+G
A
B
OPTICAL PICK-UP
C
BLOCK
D
(KHM-313CAA)
VC
LASER
Q1102 (1/2)
CD LD
DIODE
LD DRIVE
(780)
(FOR CD)
CONTROL (FOR CD)
PD
LASER
Q1102 (2/2)
DVD LD
DIODE
LD DRIVE
(650)
(FOR DVD)
CONTROL (FOR DVD)
Q1101
VR (650)
PD VOLUME
VR (780)
CONTROL
Q1103
MSW
VCC
FCS+
FCS-
2AXIS
DEVICE
FOCUS/
TRACKING
TRK+
COIL
TRK-
REG02
REG01
M M
(SLED MOTOR)
SP+
M M
(SPINDLE MOTOR)
SP-
HCD-DZ860W/DZ870KW/DZ870M/DZ870W
10
DVDRFIP
OSP
256
1
OSN
DVDA
6
7
DVDB
8
DVDC
9
DVDD
17
TNI
18
TPI
11
NA
12
NB
FOCUS/TRACKING ERROR AMP,
MC
13
14
MD
DIGITAL SERVO PROCESSOR
28
V20 (2.0V)
22
LD01
19
MDI1
20
MDI2
21
LD02
MSW
54
IC1201
FOCUS/TRACKING DRIVER,
LOADING/SPINDLE/SLED MOTOR DRIVER
42
15
BUFFER
41
VREFO
43
36
FOCUS COIL
48
FOO
DRIVE
37
1
35
3
TRACKING COIL
TRO
34
DRIVE
4
FMO
10
DMO
13
32
16
BUFFER
31
17
SL-
30
40
SL+
29
SLED MOTOR
6
DRIVE
7
45
27
19
SPINDLE MOTOR
DRIVE
28
20
22
21
46
BUFFER
47
25
MCS
24
IC1101 (1/2)
CD/DVD RF AMP,
DVD SYSTEM CONTROL
(LIMITSW)
53
LIMITSW
38
TROPENPWM
FMO
37
FMO
FOO
41
FOO
DMO
36
DMO
TRO
40
TRO
29
V REFO
94
FWD
95
REV
39
IOPMON
35
SPFG OP_INP
157
MUTE123
MUTE
158
130
TSD_M
41
41
HCD-DZ860W/DZ870KW/DZ870M/DZ870W
CN1105
6
RFMON
V2REFO 27
5
V2REFO
RXD
105
2
RXD
TXD
106
1
TXD
SPDIF 215
MCKO
ACLK 203
LRCKO
ALRCK 205
BCKO
ABCK 204
AMP_D2
ASDATA2 223
AMP_D1
ASDATA1 225
AMP_D0
ASDATA0 226
IC501 (1/6)
SYSTEM CONTROL
KRMOD
KMOD
213
36
XM_TXOUT/MIC_DET_OUT
XSYSRST
XSYSRST
108
38
MTK RST
I2C_DATA
I2C_CLK
IFSCK
IFCK
98
33
DVD_SCO
IFSDO
IFSDO
97
32
DVD_SOD
IFSDI
IFSDI 100
31
DVD_SID
XIFCS
XIFCS
99
37
DVD XIFCS
OCSW 104
27
CDM_OPEN_SW/XM_SEL
IFBSY 110
34
DVD_XIFBUSY
MIC
MIC 208
XM_TX_OUT/MIC_DET_OUT
35
CKSW 103
XSYSRST
VIDEO
C
SECTION
(Page 42)
(CHUCK/TRAY DETECT)
OCSW1
CKSW
LDM+
LDM-
(SERVICE JIG)
SPDIF
DSP
B
SECTION
(Page 44)
DSP
A
SECTION
(Page 44)
IC510
EEPROM
47
5
SDA
48
6
SCL
• SIGNAL PATH
: TUNER
: DVD PLAY
S001
M001
M
(LOADING MOTOR)
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