Block Diagram - Rf Section - Sony HCD-DX375 Service Manual

HCD-DX375
6-1. BLOCK DIAGRAM – RF SECTION –
RF
6 DVDRFIP
A
DVDA
2
B
DVDB
3
DETECTOR
C
DVDC
4
D
DVDD
5
F
19
TPI
E
18
TNI
A
8 NA
B
9 NB
D
OPTICAL PICK-UP
10
MD
BLOCK
C
11
MC
(KHM-310CAB)
VC 29 V2O
LIMIT 176 LI M SW
LASER Q102 (1/2)
CD LD
23
DIODE AUTOMATIC POWER LD01
(FOR CD) CONTROL (FOR CD)
PD 20 MD12
21 MD11
LASER Q102 (2/2)
DVD LD
22 LD02
DIODE AUTOMATIC POWER
(FOR DVD) CONTROL (FOR DVD)
VR650
Q101, Q103
48 MSW
VOLUME CONTROL
VR780
MSW
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
42
41
FCS+
36
FCS–
2AXIS
37
DEVICE
FOCUS/
TRK+
35
TRACKING TRACKING COIL
TRK–
COIL
34
REG02
+3.6V
REG01
+2.5V 32
31
SL–
30
M M
(SLED MOTOR)
SL+
29
SP+
27 SPINDLE MOTOR
M M
(SPINDLE MOTOR) SP–
28
47
46
HCD-DX375
OSP 252 253 OSN
IC101 (1/3)
CD/DVD RF AMP,
FOCUS/TRACKING ERROR AMP
DVD SYSTEM PROCESSOR
DIGITAL SERVO PROCESSOR
IC201
15
BUFFER 9
VREFO
12
43
FMO
FOCUS COIL 48
FOO FOO
DRIVE 1
DMO
3
TRO TRO
DRIVE
4
FMO
10
DMO
13
SLED MOTOR
DRIVE
40
SLED MOTOR
DRIVE
45
19
20
DRIVE 22
21
BUFFER
28
V2REFO
106
RXD
107
TXD
VIDEO SECTION
D
(Page 37)
IC501 (1/4)
SYSTEM
CONTROLLER
IO_CE
IO_CLK
IO_RESET
IO_DI
38
MTK_RST
SCO
99 33
IFSCK DVD_SCO
SCD
IFSDO 98 32
DVD_SOD
SID
31
IFSDI 101 DVD_SID
XIFCS 37
100 DVD_XIFCS
34
XIF5SY 114 DVD_XIFBUSY
39 TROPENPWN
38 FMO
42
FOO
IO_DO
37 CDM_OPEN_SW
DND
41 TRO
30 V REFO
CNVss
40 IOPMON
47 SPFG
POWER SECTION
211 MUTE123
210 MUTE
170 TSDM
34 34
CN105
6 RFMON
5 V2REFO
TO DIAG JIG
2
RXD
1
TXD
IC621
CHANGER CONTROL
LD/ST MTR NEG
P0 24
LD/ST MTR POS
P1 23
85 4 BU U/D MTR POS
LATCH
P4 20
89 BU U/D MTR NEG
3 CLK
P5 19
86 2
RESET B
87 26
BI1
P9 11
10
13 LATCH 0 P10
14 9
CLK 0 P11
15 BO1
Q751
25 BO2
P14 6
BUFFER
S781
ROTARY ENCODER
IC622
CHANGER CONTROL
ST U/D ENCODER
16 BI2 P15 5
26
BI1 P14 6
3 P13 7
CLK
8
4 LATCH P12
S771
ROTARY ENCODER
( MD )
9
P11
2
RESETB
10
P10
88 25
BO2
11
P9
27
12
P8
9
CN503
3 CNVss
7 RTSI
E 2 RESET
(Page 38)
TO WRITE JIG
5 CLKI
4 RXDI
8
TXDI
• Signal Path
: CD PLAY
: DVD PLAY
: SACD PLAY
IC701
LD/ST MOTOR DRIVE
M M
7 FIN OUT1 4 M761
9 RIN 2 LD/ST MOTOR
OUT2
IC711
BU U/D MOTOR DRIVE
M M
7 FIN OUT1 4 M762
BU U/D MOTOR
9 RIN OUT2 2
S761( SUB TRAY OUT )
SW3 IC751
S731 D SENSOR
SW2
SUB TRAY IN
D+3.3V
IN
S721
MAIN TRAY
OPEN IN/OUT