Sharp CD-MPS1000 - Chapter 4. Diagrams; Block Diagrams

CD-MPS1000
4 – 1
AudioCD-MPS1000Service ManualCD-MPS1000MarketE
CHAPTER 4. DIAGRAMS
[1] Block diagrams
Figure 4-1 BLOCK DIAGRAM (1/4)
+B4 +B8 +B7
LDS
LDD
MOT_A-/CONT4
MOT_A+/CONT5
M0_SPEED/CONT6
MO_B+/CONT3
MO_B-/CONT2
SPDO
SLDO
TDO
FDO
F16MOUT
SUB CE NC
C2F/SBCK
DATA
F16MIN
VVDD DVDD DVDD AVDD2 AVDD1 FIN EIN DIN BIN CIN AIN
XOUT
XIN
RCHO
LCHO
RVDD
LVDD
ZD1
DRF
*RES
*WRG
DO
DI
CL
CE
TO MAIN SECTION
TRAY_SW1 DISC CLAMP CL DI DO CE DRF WRQ
TO DISPLAY SECTION
+5V(+B9) D_GND PHOTO TRAY_SW2 CD_RES
D_GND
TRAY_SW2 TRAY_SW1
CLAMP
DISC
PHOTO
+5V
CAM+
CAM-
TR+
TR-
CNP6
CNP5
16.9344MHz
+3.3V
+3.3V
Q2
DRIVER
LASER
PICKUP UNIT
FOCUS COIL
TRACKING COIL
PICKUP IN
NSW1
IC1
LC78648E
CD SERVO
XL1
24
23
22
21
75
74
70
36
35
PU-IN/CONT1
34
20
19
32
61
79
48
45
44
42
41
47
66 65 6468 67 63 62 51 53 59 69
1516 161114 13 12 510 3798 4 2
27 1266080
XVDD
49 789101415 2840 25
CNP2
+8V +5V DGND L-CH AGND R-CH D_GND +5V
16324
Q1
GND
CNP6A
1234567891011
1234567891011
-
+
-
+
M
M
TRAY
MOTOR
DISC
CLAMP
TRAY SW1
TRAY SW2
MAIN CAM
MOTOR
PHOTO INTERRUPTER
M1
RX1
SW3
SW2
SW1
SW4
M2
785