Block Diagram - Cd Servo Section - Sony HCD-NXM1 Service Manual

HCD-CP555/NXM1
Q Q
3 7 6 3 1 5 1 5 0
7-2. BLOCK DIAGRAM – CD SERVO SECTION –
OPTICAL PICK-UP
BLOCK
(KSM-215DCP)
DETECTOR
VC +1.7V
VCC +3.3V
A
26 A
B 27
B
C
28 C
D
29 D
E
19 E
F
20 F
Q10
LD
LD
36 LD
DRIVER
GND
77 XTAO
X171
16.9MHz
78 XTAI
PD
37 PD
VR
IC251
SL/SP MOTOR
T E
DRIVER L 1 3 9 4 2 2 9 6 5 1 3
F+
16 CH2OUT-F
FOCUS
CH1FIN 5 11 TFDR
COIL
F
15 CH2OUT-R
CH1RIN 6 12 TRDR
T+
17 CH1OUT-R
TRACKING
CH2FIN 7 13 FFDR
COIL
T
18 CH1OUT-F
CH2RIN 8 14 FRDR
19 CH4OUT-R
M101
M
CH3FIN 30 9 SFDR
(SPINDLE)
20 CH4OUT-F
CH3RIN 29 10 SRDR
21 CH3OUT-F
M102
M
3 6 MPD
OPIN+
(SLED)
CH3OUT-R
22
MUTE 24 100 XRST
w w w
HCD-CP555/NXM1
IC301
IC101
DIGITAL
RF AMP
SIGNAL PROCESSOR
PCMDI 61 11 SDO0 VDD 55
16 LRCKIA
LRCKI 62 VDD 21
LRCK 63 19 SFSY/LRCKIB 40
VDDM
PCMD 65 14 SDIO
15
BCK 66 BCKIA
BCKI 60 18 SBSY/BCKIB
STANBY 3
PO11/BUCK/AD1 36
MIACK 8
MICK 7
MIDIO 6
XTACN
XTACN 95 MILP 5
XRST
XRST 100
MICS 4
DATA
DATA 102
RESET 2
XLT
104
XLAT
CLOCK
CLOCK 105
SENS
SENS 107
SCOR
SCOR 115
GFS 113
C2P0 114
1
FOK 2
3
AOUT1 81
AOUT2 86
DOUT 71
x a o
y
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IC303
5 REG 1 +3.3V
CN201
MAIN D
MP3STB
SECTION
MP3REQ
(Page 24)
MIACK
MICK
MIDIO
MILP
MICS
A MAIN
MP3RST
SECTION
(Page 24)
SCOR
SCOR
SENS
SENS
CLOCK
CLOCK
Q Q
XLT 3 7 6
XLT
DATA
DATA
XRST
XRST
XTACN
XTACN
LOUT
TUNER/TAPE DECK
B
ROUT
SECTION
(Page 23)
DOUT
u 1 6 3
22 22
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8 9 2 4 9
IC701
LD/ST MOTOR DRIVER
CN701
LD/ST MTR NEG 9 RIN OUT1 4
LD/ST MTR POS 7 FIN OUT2 2
BU U/D MTR NEG
BU U/D MTR POS
IC711
SW1 SUB TRAY OUT
U/DOTOR DRIVER
SW4SUB TRAY OUT
SW2 SUB TRAY OUT
9 RIN OUT1 4
SW3 SUB TRAY OUT
7 FIN OUT2 2
ST-E1
ST-E2
ST-E3
ST-E4
S721
MD-E1
OPEN
MD-E2
MAIN TRAY
MD-E3
OPEN/IN
CLOSE
MD-E4
D.SEMSOR
S731
(SUB TRAY OUT)
3 1 5 1 5 0 8 9
S761
(SUB TRAY OUT)
S781
ROTARY
ENCODER
(ST U/D)
S771
ROTARY
ENCODER
(MD)
Q751 IC751
(DISC SENSOR)
SENSE
D+3.3V
SWITCH
• Signal path
J : CD PLAY (ANALOG)
m
c : CD PLAY (DIGITAL)
c o
.
8 2 9 9
M761
M
(LD/ST)
M762
M
(U/D)
2 4 9 8 2 9 9