Sony HCD-DX255 User Manual

3030
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
MM
(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
MM
(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
MM
MM
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

Sony HCD-DX255 Specifications

General

Brand	Sony
Model	HCD-DX255
Category	Receiver
Language	English