Sharp MD-M3 Service Manual page 30

MD-M3/M1
CNP14
DIGOUT
1
2
D.GND
3
DIGIN
BACKUP
4
PDOWN (POWER)
5
MD RES
6
MD-ST
7
DSCK
8
SERCH
9
KDATA
10
MDDATA
Q92
11
MD DSTB
12 Q91
13
14
15
D.GND
16
MDDVDD
17
+B6
18
PSWCK
19
LOADSW
20 Q93
MDAVCC
+B4
21
LIN
22
AAGND
23
RIN
24
25
ADGND
LOUT
26
27
AAGND
ROUT
28
LRSY
1
DATACK
2
CDGND1
3
DATA
4
CNP13
MD-M3 ONLY
CD
+B11
PICKUP UNIT
FOCUS
TRACKING
SLED
M2
SPINDLE
M1
CD LID SW LID-SW
SW1
+5V
PUIN
PICKUP-IN SW
SW2
+B10
+3.3V
30 5 6 14 15
RF
1 FIN1 28 27
FIN2
2 29
RFSW
TIN1
3
22
TIN2
4 FE
2120
TE
19 18
LDD
HFL
8
17
LDS
IC1
7
TES
16
LA9235M
Q51
LDOF
SERVO AMP.
10
Q52
NC ODRV
26
11
NC AGON
23
12
EFBL
13
9
25 24
4
20
IC3
19 9
LA6548
21
18
FOCUS/
17 16
TRACKING/
SPIN/SLED
6
23
DRIVER
5
M
8 2
7 11
VCC
1 24
M
+B5
Figure 30 BLOCK DIAGRAM (4/5)
TO PRE SECTION
+B12
+B10
18 36 49 50 44 80 79 78 77 72
5 73
EFMIN
10
SLCO
9
RFEV
14 PH(RFENV)
FE
15
16 TE
HFL
7
LASER
28
CONT2
30
LC78640E
CONT1
29
SERVO SIGNAL CONTROL
TBLO
22
BH
13
VREF
17
26 SLDO
SPDO
25
FDO
24
TDO
23
PHREF
20
BHREF
21
53 46 3
47 74 40 19 31 52
+B10
16.9344MHz
– 30 –
TO TRANS/PRE/TUNER
VOLTAGE
REGULATOR
+5V CD+7V
+B5
+B12
VOLTAGE
REGULATOR
+5V
Q62
+B11
+3.3V
Q61
+B10
VOLTAGE
REGULATOR
71 69 68 66
70 67 65
LCHO
45
RCHO
48
MUTER
43
MUTEL
EMPH 42
41
DOUT
37
FSX
38
EFLG
IC2 39
DATA
59
DATACK
58
LRSY
57
ASDFIN
56
ASDACK
55
ASLRCK
54
SBCK
64
PW
63
SBSY
62
SFSY
16M
61
60
12 31 32 33
11 75 76