A
B
D
F
H
J
C
E
G
I
2
1
3
5
7
4
6
A D
C
B
M
F
E
M
MECHA ASS’Y(D40-1565-05):KSM-542DBA
(X32-3350-XX)
IC1
IC2
CONTROL
STEP DRIVE
(FOK " L")
CONTROL
SLED GAIN
Q21
(DEFECT DET.)
COMPARATOR
DEFECT
DET.
SPINDLE GAIN
CHANGE-OVER
(NOR./HI SPEED)
D.S.P
D5
D3
Q20
D15
D14
0N/OFF
APC
CN2
B
C
COIL
FOS.
COIL
TRK.
LD
(2/2)
IC10
PD
LD
A
B
CN1
CN6
CN3
C
A
D13
Q11
E1
FB
DIODE
LASER
Q17
DET.
RF/SERVO
DEFECT
(1/2)
IC10
Q15
TE2
TE1
VC
FE1
FE2
Q16
TG
TB
Q13
Q14
D12
FG
3.1V
2.5V
0.8V
2.7V
1.1V
1.1V
1.1V
1.2V
1.1V
1.1V
1.1V
0V
0V
2.6V
2.7V
2.6V
1.3V
1.2V
1.4V
1.3V
1.3V
1.4V
1.3V
1.3V
1.3V
0.3V
1.3V
2.6V
1.3V
1.2V
1.3V
1.2V
1.7V
0V
0V
2.6V
1.4V
2.6V
2.7V
1.4V
1.4V
1.1V
1.5V
1.6V
0.6V
1.2V
2.7V
2.5V
2.6V
2.5V
0V
2.7V
0V
0V
2.7V
0V
2.7V
2.5V
2.6V
2.5V
1.2V
1.6V
1.4V
1.4V
0.7V
1.0V
1.4V
1.4V
1.4V
1.4V
1.3V
1.4V
1.4V
1.4V
1.4V
1.4V
0V
2.7V
0V
2.7V
2.6V
2.6V
2.6V
1.3V
0V
2.9V
1.4V
1.4V
1.4V
1.4V
1.4V
1.4V
1.6V
1.4V
1.4V
2.7V
1.4V
1.4V
(BATTERY)
5.5V
2.9V
2.7V
5.0V
1.4V
2.7V
0.8V
0.6V
1.4V
1.8V
1.4V
2.0V
2.2V
0.2V
1.4V
1.4V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
560
R217
16.9344MHz
IC10(2/2)
Q21
R213
6.8K
330K
R216
MDP
40
Q17
R214 18K
R119
22K
+
47u4
C114
R215
470
R211
470
130
R337
C2PO
C4M
+B
IC10(1/2)
Q15,16
R452
27K
+B
+B
+B
+5V
0.1
C6
C2
0.1
+B
+B
+B
+B
+B
L4
22
R204
C213
+B
+B
R212
22
C201
+
47u4
R201
39
+B
+B
SYSM
12P
22K
R23
R205
4.7K
0.033
R108
47K
R118 180K
1.6K
R116
34
-
+
7
6
5
38
+B
+B
+B
R144
22K
R142
1.3M
R136
R135
R141
R143
4.7K
390K
R117
L11
+B
+B
100K
82K
220P
15
14
FCS(-)
FCS(+)
12
11
10
F
A/L
TRK(-)
9
8
7
LD
VCC
VC
+
A/L
SHORT LAND
VCC
PD1
PD2
VC
6
GND
VR
PD
4
5
1
PD1
PD2
2
E
3
+B
+B
C211
100P
330
R218
49
47
39
15K
330K
SLD. MOTOR
1
LMT. SW
1
X3
13
TRK(+)
-
2
+
SPD. MOTOR
+
2
1
2
-
SPDL+
SPDL-
SLED+
SLED-
R206
1M
R120 1M
C120 150P
SLTSW
GND
41
40
40
25
27
29
31
SPDL+
SPDL-
SLED+
GND
SLTSW
SLED-
1
2
2
1
2
1
91
R129
5
6
7
9
7
5
13
3
FCS+
FCS-
TRK-
TRK+
AL
F
VC
VCC
LD
GND
VR
PD
E
PD1
PD2
1
3
2
5
4
15
14
13
12
11
10
9
8
7
6
VR3
22K
10K
R127
10K
R130
R131 24K
R128
4.7
+
C126
47u4
R132 24K
C116 0.047
C117 0.01
C118 4700P
C119 0.01
R114
2.2K
R115
4.7K
R113
22K
C121
33P
R137
100K
14
12
13
11
10
R121
100K
C115 0.01
+ C26
22u4
C113
0.01
R110
C112 1
R109
220K
VR4 22K
C108
R104
C107 0.01
R103 510K
C106
C104 0.1
R138
R107
+
C105
4.7u6.3
R101 100
C102 0.47
C101 220P
R102 56K
C103 220P
C110
1
4
8
3
2
0.1
+
-
C125
R134 1M
R123 1M
VR5
22K
22K
VR6
180K
R106
100
C129
0.1
1.8M
6.8K
R122
R125
12K
R124
10K
R126
10K
R133 1M
180K
0.1
C122
+
C127
22u4
R140
C123
0.022
25
TAM
FOK
12
26
FSET
CC2
11
27
TG2
CC1
10
28
TGU
CB
9
29
SRCH
CP
8
30
FEM
RFI
7
31
FEO
RFO
6
32
FLB
RFM
5
33
FGD
LD
4
34
FDFCT
PHD
3
35
FEI
PHD1
2
24
SENS
FE.B
37
23
C.OUT
F
38
22
XRST
E
39
21
DATA
EI
40
20
XLT
VEE
41
19
CLK
TEO
42
18
VCC
NC
43
17
ISET
TEI
44
16
SLO
ATSC
45
15
SLM
TZC
46
14
SLP
TDFCT
47
36
1
FEO
PHD2
48
13
TAO
VC
2
89
88
87
11
10
86
12
14
13
100
57
13
85
44
43
42
41
10K
220P
C223
11K
R223
R221
C214
12P
R222 10K
C224 220P
R224 11K
+
C202
47u4
C210
0.01
430K
R210
1.5K
C203
0.047
0.47
C207
R209 1M
7
6
5
13
10uH
+
C128
22u10
C206 220P
C205
3300P
100K
C204
1500P
+
C209
22u4
R207
3.3K
R208
10K
C208
0.15
R202
R203
VDD
61
ZLRCK
39
AVSS
62
YLRCK
38
AVDD
63
AOUT1
64
ASY0
37
AIN1
65
ASYI
36
LOUT1
66
BIAS
35
AVSS
67
RF
34
XVDD
68
AVDD
33
XTAI
69
CLTV
32
XTAO
70
AVSS
31
XVSS
71
FILI
30
AVSS
72
FILO
29
LOUT2
73
PCO
28
AIN2
74
VCTL
27
AOUT2
75
V16M
26
AVDD
76
VCKI
25
AVSS
77
VPCO
24
VDD
78
TES1
23
79
TEST
22
1
VSS
60
2
VSS
LMUT
59
3
EXCK
RNUT
58
SBSO
57
SCOR
56
4
WFCK
SQCK
55
5
EMPHI
SQSO
54
6
EMPH
SENS
53
7
DATA
8
DOUT
XLAT
52
43
YBCK
42
ZDATA
80
21
XRST
PWMI
41
YDATA
9
CLOK
51
10
XTSL
SEIN
11
CNIN
12
DATO
13
XLTO
14
CLKO
15
SPOA
50
49
16
XROF
SPOB
48
17
XPCK
XLON
47
18
RFCK
FOX
46
19
VDD
VDD
45
20
VSS
VSS
44
ZBCK
R112 220K
R111
51K
C452
1
R453
3.3K
510K
82K
0.022
R139
X
(
)
)
(
(
)
(
)
(
)
)
(
(
)
)
(
)
)
(
(
)
)
(
(
(
)
)
(
(
)
(
)
)
(
(
)
)
(
)
(
(
)
(
(
)
)
(
)
)
(
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
(
)
)
(
(
)
(
)
(
)
)
(
(
)
(
)
(
)
(
)
PCB/SD-INT
98.4.24
3:01
PM
y [ W 2