![background image](http://html.mh-extra.com/html/sony/hcd-rg444/hcd-rg444_service-manual_420851028.webp)
28
28
HCD-RG444
HCD-RG444
– BD/DRIVER SECTION –
CN201
MP3STB
MP3REQ
MIACK
MICK
MIDIO
MILP
MICS
MP3RST
SRMSTB
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
SCOR
SENS
CLOCK
XLT
DATA
XRST
XTACN
LOUT
ROUT
DOUT
IC731
(TABLE SENSOR)
CN701
IC701
(LD)MOTOR DRIVER
IC712
TBL MOTOR DRIVER
LMR
LMF
TM-R
TM-F
TBL ADDRESS SW
E-1
E-2
E-3
OPEN SW
Q731
M751(LOADING)
M741(TBL)
RE701
S751
(LEVER SW)
ROTARY
ENCODER
E-3
E-2
E-1
SWITCH
M
M
+3V
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
OPTICAL PICK-UP
BLOCK
(KSM-215DCP/C2NP)
LD
DRIVER
Q10
+1.7V
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
TRACKING
COIL
IC251
SW101
X171
16.9MHz
+3.3V
SL/SP MOTOR
DRIVER
IC101
RF AMP
VR
PD
M
M101
(SPINDLE)
M102
VCC
VC
A
B
C
D
E
F
DETECTOR
DIGITAL SIGNAL
IC301
PROCESSOR
XTACN
XRST
DATA
XLAT
CLOCK
SENS
3.3V
IC303
SCOR
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299