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HCD-DZ118K
6-1. BLOCK DIAGRAM – RF SECTION –
RF
6
DVDRFIP
A
DVDA
2
B
DVDB
3
DETECTOR
C
4
DVDC
D
DVDD
5
F
19
TPI
E
18
TNI
A
8 NA
B
9 NB
OPTICAL PICK-UP
D
10
MD
BLOCK
C
11
MC
(KHM-310CAA)
VC
29 V2O
LIMIT
176
LI M SW
LASER
Q1102 (1/2)
CD LD
DIODE
AUTOMATIC POWER
23
LDO1
(FOR CD)
CONTROL (FOR CD)
PD
20
MDI2
MDI1
21
LASER
Q1102 (2/2)
DVD LD
22
LDO2
DIODE
AUTOMATIC POWER
(FOR DVD)
CONTROL (FOR DVD)
VR650
Q1101, Q1103
50
MSW
VOLUME CONTROL
VR780
MSW
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
42
41
FCS+
36
2AXIS
FCS–
37
DEVICE
FOCUS/
TRK+
TRACKING
35
TRK–
COIL
34
+3.6V
+2.5V
32
31
SL–
30
M M
(SLED MOTOR)
SL+
29
SP+
27
M M
(SPINDLE MOTOR)
SP–
28
46
47
HCD-DZ118K
OSP
252
253
OSN
IC1101 (1/3)
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
IC1201
15
BUFFER
VREFO
43
48
FOCUS COIL
FOO
DRIVE
1
3
TRACKING COIL
TRO
DRIVE
4
FMO
10
DMO
13
SLED MOTOR
16
DRIVE
17
40
SLED MOTOR
DRIVE
45
19
20
SPINDLE MOTOR
DRIVE
22
21
BUFFER
25
22
24
28
V2REFO
106
RXD
107
TXD
SYSRST
PRST
110
SCO
IFCK
99
SCD
98
IFSDO
SID
IFSDI
101
100
XIFCS
177
OCSW
105
IFBSY
179
CKSW
39
TROPENPWM
FMO
38
FMO
205
MIC
FOO
42
207
FOO
KRMOD
DMO
37
DMO
TRO
41
TRO
30
V REFO
174 FWD
178 REW
40 IOPMON
47
SPFG
211 MUTE123
210 MUTE
170 TSD_M
26
26
CN1105
6
RFMON
5
V2REFO
TO DIAG JIG
2
RXD
1
TXD
• Signal Path
: CD PLAY
: DVD PLAY
IC501 (1/4)
SYSTEM
CONTROLLER
38
MTK_RST
33
DVD_SCO
32
DVD_SOD
31
DVD_SID
37
DVD_XIFCS
27
CDM_OPEN_SW
34
DVD_XIFBUSY
35
MIC_DET_OUT
36
KARAOKE_MODE
(CHUCK/TRAY DETECT)
OCSW1
OCSW/CKSW
LDM+
LDM-
S001
M M
(LOADING MOTOR)
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