Sharp MD-C2 - Page 55

– 55 –
MD-C2
7
8 9 10 11 12
• The numbers 1 to 12 are waveform numbers shown in page 64.
Figure 55 SCHEMATIC DIAGRAM (14/16)
R54
330
R84
2.2K
R55
100
C57
0.001
D82 1SS133
C83 0.022
R80
1K
R81
1K
Q51
KRC102 M
D92 1SS133
D93
1SS133
R83
1.2K
R82
1.2K
C56
0.022
R91 1K
D91
1SS133
Q52
KTC3203 Y
C52
100/16
R64
22
R66
220
ZD61 MTZJ5.6B
C51
100/16
C50
0.022
L61
0.82µH
C37 0.022
R47 10K
R51
3.3M
R88 1.2K
XL1 16.934MHz
C41
12P
C42
15P
R93
220
D81 1SS133
C44 100P (CH) C45 100P (CH) C47 100P (CH) C48 100P (CH) C49 100P (CH)
R89 1.2K R90 220
R50
680
C39
0.047
C40
0.047
R52
27K
R60 1K
R57 1K
R58 1K
R61 1K
R59 1K
C38
0.01
R63 1K
R62 1K
C43
330/6.3
R74
100K
R73
100K
C73
220P
C74
220P
R53
1.2K
C71
10/50
C72
10/50
R71
2.7K
R72
2.7K
M–
M+
CD_D_NO
CNS 10
+12V
D-GND
L-CH
A_GND
R-CH
BIM05
+5V
SOL+
SOL–
M+
M–
GND(D)
OPEN CLOSE
DISC NO.
GND(D)
MECHA UP
GND(D)
RES(DSP) DRF (ASP) D_GND SLD+ SLD–
PCCL
UP/DOWN
DISC NO.
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
CNP10
1
2 2
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
43
44
42
41
39
40
38
37
36
35
34
33
48
49505152535455565758596061626364
47
45
46
2
1
CNP99
2
1
CD_LCH
A_GND
CD_RCH
CNP11
C75 0.001
BI1/2
1
23
SOK01
LOCK
SOLENOID
M
MK01
UP/DOWN
LOADING MOTOR
SW1
OPEN
CLOSE
SW2
MECHA UP
SW3
DISC NUMBER
1
CNS5
CNS12
T
O MAIN PWB(1/3)
P42 1-C,D
R65
1K
+B
+B
+B
+B
3
BI1/1
2
1
+7.3V(CD)
TO MAIN
PWB(1/3)
P42 1-E
CNS11
TO MAIN
PWB(1/3)
P42 1-F
CNS99
PUIN SW OP/CL SW
+B
CD SIGNAL
CD LOADING PWB-G
CD SERVO PWB-E
9 8 7 6
5
14 1513121110
6
5
4
3
2
1
C46 100P (CH)
NC
TEST5
*CS
TA1
2K x 8
RAM
1BIT
DAC
SERVO
COMMAND
TES
HLF
V/P
CLV–
CLV+
TEST2
EFMIN
EFMO
VSS
FR
VVDD
ISET
VVSS
DEF1
TOFF TGL JP+ JP– FSEQ VDD
CONT1 CONT2 CONT3 CONT4 CONT5
CLV
DIGITAL
SERVO
EXTERNAL
OUTPUT
SYNC-DETECT
EFM DEMODULATE
SLICE LEVEL
CONTROL
VCO CLOCK
OSC
CONTROL
ERROR COERECT
FLAG CONTROL
DIGITAL
OUT
TEST3 NC
DOUT
4FS
DIGITAL
FILTER
TEST1
TEST4
PCCL
MUTEL
LVDD
LCHO
LVSS
RVSS
RCHO
RVDD
MUTER
XVDD
XOUT
XIN
XVSS
SBSY
EFLG
SUB–CODE
MICROCOMPUTER
INTERFACE
TEST11
SBCK
SFSY
PW
FSX
WRQ
RWC
SQOUT
COIN
*CQCK
*RES
16M
4M
X-TAL
GENERATOR
NC
NC
NC
NC C2F NC EMPH NC
PCK
NC NC
NC NC NC NC
PDD
IC2
LC78622NE
SERVO /
SIGNAL
CONTROL
NC
0V
0V
0V
0V
1.9V
5.0V
0V
0V
2.5V
2.4V
0V
0V
0V
0V
0V
5.0V
5.0V
0V 0V
2.5V
0V 0V 0V 0V 0V 0V 0V
5.0V 2.5V
0V
5.0V
5.0V
0V
0V
0V
0V
0V
1.9V
4.6V
5.0V
5.0V
2.1V
2.1V 0.1V 2.3V
0V0V0V0V0V0V0V0V 0V 4.6V4.6V4.7V2.3V2.3V 2.5V2.5V
5.0V
4.6V
1.9V