Sharp MD-MX30 Service Manual page 47

R69
10K
GNAL
R70
10K
7 8
EFMO
80 79 78 77 76 75 74
23
R12
7 (ML) PD01
680
0V
1
R79
R13
3.9M PD02
680
C24
0V
2
2.2/50 VVSS
3
0V
PLL
C21 C81
VCEC
0.1 0.022
3.3V
4
PCKIST
C22 R11
00P 12K VVDD
3.3V
5
FR 3.3V
R14
R80
6
1.2K
1M
HFL
0V
7
SLCIST
R15
1.0V
8
.7K
SLCO
1.7V SLICE
9
LEVEL
EFMIN CONTROL
1.7V
10
JITTV
C27
2.0V
11
JITER
0.022
DEFECT
JITTC
2.0V
12
CONTROL
BH
0V
13
PH(RFENV)
1.7V
14
FE
1.7V
15 SW
A/D
TE
1.7V
16
VREF
1.7V
17
ADAVDD
18
3.3V
C29
+
0.022
C28
0V -
220/6.3
ADAVSS
19
PHREF 1.6V
20
0
BHREF 1.7V
21
TBLO
R44 1.7V
22
S/H D/A
3
1 K
TDO
1.7V
23
1.7V
FDO
24
25 26
FG
2 1
R91
6
R35
R39
R38
18K
10K 22K
LDON
LD_M+
LD_M-
LOADING M+
LOADING M-
VOLM-
VOLM+
VOL MOTOR M+
VOL MOTOR M-
0
• The numbers 1 to 13
7
3
C72
0.01
R68
1K
+B
VDD5V
73 72 71 70 69 68 67 66 65
COMMAND
GENERAL
INTERFACE
IC2
LC78641E
SERVO/SIGNAL
FRAME SYNC
DEFECT,PROTECT
CONTROL
EFM DECODE
CLV
CONTROL
SW
AUTO SERVO
ADJUST
PROCESSEROR
GENERAL
ERROR AUDIO
CORRECT OUT
FSX
27 28 29 30 31 32 33 34 35 36 37 38 39 40
TEST
1K C30
0.022
R45
C90
1.2K
3.3/16
AGON
(OS-CON)
+B
R23
4.7K
R24
4.7K
R21
R22
MD-MX30 Only
390
390
After a serial number
D22 [No.004xxxxx],eliminated.
DS1SS133
D21
DS1SS133
BI 4
are waveform numbers shown in page 65.
8 9
Figure 47 SCHEMATIC DIAGRAM (11/13)
R71
1K
R72
1K
R73
1K
R74
1K
R75
1K
R76
1K
R77
1K
R57
10
ZD60
DZ5.1A
C44
0.022
C45
SBCK
100/10
0V
64
SUBCODE PW
0V
63 11 12
DECODE
CRC SBSY
0V
62
10
SFSY
3.3V
61
0V
16M R81
60
100
DATA
0V
59
DATACK
R82
1.6V
58
100
LRSY
1.6V
57
R83
ASDFIN
0V
56
100
ASDACK
0V
55
ASLRCK
0V
54
XVSS
53
0V
R20 220
1.5V
52
XOUT
XL1
C34
0.022 16.9344MHz
XIN
3.1V
51
XVDD
3.2V
50
RVDD
3.2V C37
49
47/6.3
RCHO
1.7V
48
RVSS
47
0V
LVSS
0V
46
LCHO
1.7V
45
LVDD
3.2V
44
C33
MUTER
C32
3.3V
43
0.022
0.022
MUTEL
3.3V
42
R19
EMPH
0V 41
33
R16
9
150
R87
100
+B
R88
5.6K
+B
L61
0.82 H
+B
CD+7V
CDGND2
PUIN
10
– 47 –
MD-MX30/MX30W
CNP9
1
VOLM+
2
WRQ
3
VOLM-
4
DRF
5
RES
6
CQCK
7
RWC
8
PUIN
9
COIN
10
SQOUT
11
+B
C83
0.022
K10
DATA
4
CDGND1
3
DATACK
2
LRSY
1
CORE1
CNP7
D-OUT
1
+B
2
CDND1
3
CNP8
L62
2.2 H
8
AGND
7
R59
LCH
100 6
DGND
(1/4)
5
CD+7V
4
3
CDGND1
2
C64
C84
47/10
0.001
1
CDGND2
CNP6
C94
2.2/50 M+
1
C85
0.56
2
M-
C93 GND(D)
3
2.2/50
OPEN
4
CLOSE
5
VOLM- R41
CNP4
2.2K
VOLM+
R17
2.2K
C86
1
0.33
2
+B
CNP5
11
1
FWD02
11
TO MD CHASSIS
CNS10
CNS7
TO MD SECTION
P39 12 - C
TO MAIN
SECTION
CNS8
P42 3 - H
8
FWU05
1
M4
CNS4
CD LOADING
MOTOR
+
1
M
2
-
OPEN
3
4 SW4
5
CLOSE
CNS5
+
1
M
2
-
M5
VOLUME MOVE
MOTOR
12