Bd/Driver Section - Sony HCD-RG444 Service Manual

HCD-RG444
Q Q
– BD/DRIVER SECTION –
3 7 6 3 1 5 1 5 0
OPTICAL PICK-UP
BLOCK
(KSM-215DCP/C2NP)
DETECTOR
VCC +1.7V
+3.3V
VC
A 26
B 27
C 28
D 29
E 19
F 20
Q10
LD
LD
36
DRIVER
GND
77 XTAO
X171
16.9MHz
78 XTAI
PD
37
VR +3.3V
IC251
SL/SP MOTOR
7
DRIVER
SW101
T E
L 1 3 9 4 2 2 9 6 5 1 3
F+
16 CH2OUT-F
FOCUS
CH1FIN 5 11
COIL
F
15 CH2OUT-R
CH1RIN 6 12
T+
17 CH1OUT-R
TRACKING
CH2FIN 7 13
COIL
T
18 CH1OUT-F
CH2RIN 8 14
19 CH4OUT-F
M101
M
SFDR 9 30
(SPINDLE)
20 CH4OUT-R
SRDR 10 29
21 CH3OUT-R
M102
M
OPIN+ 3 6
(SLED)
22 CH3OUT-F
MUTE
24 100
w w w
HCD-RG444
IC301
IC101 DIGITAL SIGNAL
PROCESSOR
RF AMP
A PCMD1 61 11 SDO0
B LRCK1 62 16 LRCKIA
19
C LRCK 63 SFSY/LRCK1B
14 SDIO
D PCMD 65
E
BCK 66 15 BCKIA
F
BCK1 60 18 SBSY/BCK1B
LD
PO11/BUCK/AD1
XTACN
XTACN 95
XRST
PD XRST 100
DATA
DATA 102
XLAT
XLAT 104
SSTP
CLOCK
CLOCK 105
SENS
107
SENS
SCOR
115
SCOR
TFDR
GFS 113
TRDR
C2PO 114
FFDR
1
FOK 2
FRDR
3
CH3FIN
AOUT1 81
CH3RIN
AOUT2 86
MPD
XRST DOUT 71
x a o
. i
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IC303
3.3V
VDD 55 5 REG 1
VDD 21
VDDM 40
CN201
STANBY 3 MP3STB
36
MP3REQ
MIACK 8 MIACK
MICK 7 MICK
MIDIO
MIDIO 6
MILP 5 MILP
MICS
MICS 4
A
RESET 2 MP3RST
SRMSTB 41 SRMSTB
SCOR
SCOR
SENS
SENS
Q Q
CLOCK
3 7 6
CLOCK
XLT
XLT
DATA
DATA
XRST
XRST
XTACN
XTACN
LOUT
B
ROUT
DOUT
• R-CH is omitted due to same as L-CH.
• Signal Path
u 1 6 3
y
28 28
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2 4
8 9 9
CN701
LMR
LMF
TM-R
MAIN
TM-F
D
SECTION
TBL ADDRESS SW
E-1
E-2
PANEL E-3
SECTION
OPEN SW
S751
(LEVER SW)
3 1 5 1 5 0 8 9
RE701
E-3
E-2
MAIN E-1
SECTION
ROTARY
ENCODER
: CD
m
c o
.
2
8 9 9
IC701
(LD)MOTOR DRIVER
RIN OUT1
9 4
M
11 FIN OUT2 2 M751(LOADING)
M
M741(TBL)
IC712
TBL MOTOR DRIVER
RIN OUT1
9 4
7 FIN OUT2 2
+3V
2 4 9 8 2 9 9
IC731
Q731
(TABLE SENSOR)
SWITCH