Service manual

MD-M3/M1
– 30 –
Figure 30 BLOCK DIAGRAM (4/5)
1
30
5
6
2
3
4
7
8
9
26
23
14
15
25
24
27
22
21
20
19
18
17
16
12
13
10
11
7
10
14
15
16
28
29
30
23
24
25
26
9
22
5
20
21
17
13
18
36
49
50
44
80
79
78
77
72
67
68
69
70
71
65
66
45
48
41
42
43
3
19
40
74
47
46
53
75
76
37
38
39
54
55
56
57
58
59
60
61
62
63
64
52
31
32
33
31
73
12
11
20
19
18
17
6
5
8
7
M
M
4
9
21
16
23
2
28
6
7
8
9
10
11
5
12
4
3
2
1
13
14
15
16
18
17
19
20
21
22
23
24
25
26
27
28
1
2
3
4
29
11
1
24
NC
NC
FE
TE
AGON
EFBL
ODRV
LDOF
HFL
PH(RFENV)
EFMIN
SLCO
FE
TE
HFL
SLDO
SPDO
FDO
TDO
TBLO
LASER
PHREF
BHREF
VREF
BH
EFMO DEFECT FSEQ V/vP DRF CL CE
LCHO
RCHO
MUTER
MUTEL
EMPH
CONT6 CONT7
DOUT
FSX
EFLG
ASDFIN
ASDACK
ASLRCK
DATA
DATACK
LRSY
SBCK
PW
SBSY
SFSY
16M
PUIN
CONT3 CONT4 CONT5
Q51
Q52
PICKUP UNIT
FOCUS
TRACKING
SLED
M2
SPINDLE
M1
IC3
LA6548
FOCUS/
TRACKING/
SPIN/SLED
DRIVER
BH PH GND
IC1
LA9235M
SERVO AMP.
LDS
LDD
FIN1
FIN2
TIN1
TIN2
RF
RFEV
VCC
REFL VREF TES1 TES0
CD LID SW
SW1
SW2
IC2
LC78640E
SERVO SIGNAL CONTROL
CONT2
CONT1
JITTC JITTV
XOUT XIN
16.9344MHz
XVSS LVSS RVSS
VSS
TEST
ADAVSS
VVSS
PICKUP-IN SW
Q62
Q61
+5V
+3.3V
PDOWN (POWER)
Q92
Q91
DIGOUT
D.GND
DIGIN
MD RES
MD-ST
MD DSTB
MDDATA
KDATA
SERCH
DSCK
D.GND
MDDVDD
+B6
PSWCK
Q93
LOADSW
LIN
AAGND
RIN
LOUT
BACKUP
MDAVCC
ROUT
AAGND
ADGND
LRSY
DATACK
CDGND1
DATA
CNP14
TO MD SECTION
CD
+B4
CNP13
MD-M3 ONLY
+3.3V
+B10
+5V
+B11
LID-SW
RFSW
TES
+B10
LVDD XVDD RVDD VDD ADAVDD VVDD
+B10
+B12
VDD5V
RES WRQ INT DI-CD SO DO-CD SI
+5V
+B5
+B12
+B11
+B10
ICP11 2/19PIN ICP81 1/7PIN
TO PRE SECTION
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
CD+7V
+B5
VCC
TO TRANS/PRE/TUNE
R