Block Diagram - Rf/Servo Section - Sony HCD-DX170 Service Manual

HCD-DX150/DX170/DX250
6-1. BLOCK DIAGRAM – RF/SERVO SECTION –
RF
A
B
DETECTOR
C
D
F
E
OPTICAL PICK-UP
BLOCK
(KHM-310CAB)
LASER
CD LD
DIODE
(FOR CD)
PD
LASER
DVD LD
DIODE
(FOR DVD)
WR650
VR780
FCS+
FCS–
2AXIS
DEVICE
FOCUS/
TRK+
TRACKING
TRK–
COIL
M2
(SLED)
M1
(SPINDLE)
HCD-DX150/DX170/DX250
6 DVDRFIP
OSP 252 253 OSN
DVDA
2
DVDB
3
DVDC
4
5 DVDD
19
TPI
18
TNI
A
8 NA
B
9 NB
D
10
MD
C
11
MC
176
LI M SW
Q102 (1/2)
AUTOMATIC POWER 23 LD01
CONTROL (FOR CD)
20
MD12
MD11
21
Q102 (2/2)
LD02
AUTOMATIC POWER 22
CONTROL (FOR DVD)
Q101, Q103
MSW
187
VOLUME CONTROL
IC201
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
42
BUFFER
41
43
36 48
FOCUS COIL
DRIVE
37 1
32
35 3
TRACKING COIL
34 DRIVE 4
+3.3V VCC
10
13
32 SLED MOTOR
DRIVE
31
40
SL–
30
M M
SL+
29 SLED MOTOR
45
DRIVE
19
SP+
27 20
SPINDLE MOTOR
M M
SP–
28 DRIVE 22
21
47
BUFFER
46
IC102 (1/3)
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
V1P4
FMO
38
FMO
FOO FOO
42 FOO
DMO
37
DND
TRO TRO
41
TRO
FMO
V1P4
30 V REFO
DMO
40 IOPMON
47 SPFG
184 MUTE123
183 MUTE
181 TSDM
28 28
• Signal Path
: CD PLAY
: DVD PLAY
110
PRST 43 MTK_XRST
IFCK 99 33
DVD_SCO/CLK1
51 25
MAMUTE MAMUTE
IFSDO 98 32 DVD_SOD/RXD1
101 31
IFSDI DVD_SID/TXD1
100
XIFCS 39 DVD_XIFCS
OCSW 177 42 SEN
IFBSY 105 34
DVD_IFBUSY/RST1
IC509 (1/4)
SYSTEM
CONTROLLER