30
30
HCD-DX155/DX255
HCD-DX155/DX255
6-1. BLOCK DIAGRAM – RF SECTION –
: CD PLAY
: DVD PLAY
: SACD PLAY
• 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
MD12
LD02
MSW
IOP
MD11
OSP
OSN
IC1101 (1/3)
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
OPTICAL PICK-UP
BLOCK
(KHM-310CAB)
2AXIS
DEVICE
FOCUS/
TRACKING
COIL
23
20
LI M SW
176
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
47
SLED MOTOR
DRIVE
IC1201
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
27
28
SPINDLE MOTOR
DRIVE
M
M
(SPINDLE MOTOR)
47
46
FMO
TROPENPWN
FOO
DND
TRO
V REFO
SPFG
40 IOPMON
FOO
RF
A
B
C
D
F
E
VC
LIMIT
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
M
M
(SLED MOTOR)
48
BUFFER
19
20
22
21
40
45
IC501 (1/4)
SYSTEM
CONTROLLER
99
IFSCK
DVD_SCO
33
100
XIFCS
DVD_XIFCS
37
110
PRST
MTK_RST
SYSRST
SCO
SCD
SID
98
IFSDO
DVD_SOD
32
101
IFSDI
CDM_OPEN_SW
105
IFBSY
DVD_XIFBUSY
34
DVD_SID
31
TRO
FMO
FOO
DMO
TRO
10
13
16
17
FMO
DMO
178 REV
174 FWD
211 MUTE123
210 MUTE
170 TSDM
M
M
M
M
28
V2REFO
106
RXD
107
TXD
5
6
2
1
RFMON
CN1105
TO DIAG JIG
V2REFO
RXD
TXD
REG02
REG01
9
12
85
89
86
87
88
4
3
2
26
13
14
15
25
24
23
20
19
11
10
6
9
16
26
3
4
2
25
5
6
7
8
9
10
11
12
IO_CE
IO_CLK
IO_RESET
IO_DI
IO_DO
BI2
BI1
CLK
LATCH
RESETB
BO2
IC505
DAC
S781
ROTARY ENCODER
ROTARY ENCODER
S771
( MD )
LATCH
CLK
RESET B
BI1
LATCH 0
CLK 0
BO1
BO2
IC504
DAC
7
9
4
2
FIN
RIN
OUT1
OUT2
7
9
4
2
FIN
RIN
OUT1
OUT2
IC701
LD/ST MOTOR
LD/ST MOTOR DRIVE
BU U/D MOTOR DRIVE
BU U/D MOTOR
IC711
M762
M761
LD/ST MTR NEG
LD/ST MTR POS
BU U/D MTR POS
BU U/D MTR NEG
Q751
BUFFER
SW2
SW3
IN
OPEN
S761( SUB TRAY OUT )
S731
SUB TRAY IN
S721
MAIN TRAY
IN/OUT
IC751
D SENSOR
D+3.3V
ST U/D ENCODER
38
27
P0
P1
P4
P5
P9
P10
P11
P14
P15
P14
P13
P12
P11
P10
P9
P8
Summary of Contents for HCD-DX155
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