MD-X8H
– 62 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 31.
Figure 62 SCHEMATIC DIAGRAM (17/20)
SITUATION :
1
2
3
4
5
1 2 3 4 5 6 7
14 13 12 11 10
9 8
1
2
1
2
1
2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
MINF
LOADING
GND
HINF
LEAD IN
MINF
LOADING
HINF
LEAD IN
H
EFMO
TRY–
SP–
SP+
SLD–
SLD+
F+
T–
F–
VCC
GND
–
+
TRY+
T+
REG+
REGB
IN1+
VBS1
Vm1
IN1–
OUT1
VM1–
VM1+
GND
VM2+
VM2–
OUT2
IN2–
IN2+
MUTE1
MUTE2
SS.GND
VREF
VREFO
1.25V
S
G
G
D
D
S
G
G
D
D
S
S
SPN
SPP
LDVAR
LDON
FODRR
FODRF
TRDRF
TP
TN
FN
FP
SLP
SLN
TRDRR
1
2
MAGNETIC
HEAD
CNS1903
Q1252
2SK2909
Q1254
2SK1473
Q1251
2SK2909
Q1253
2SK1473
TP1601
CNP1601
TP1602
TP1604
TP1605
T
C1252
120P
(CH)
C1251
0.027
R1251
10
CNP1252
D1252
SB0209CP
D1251
SB0209CP
R1223
680
TP1251
TP1252
R1425
2.7K
TP11
2
TP11
2
TP11
2
TP11
2
TP11
0
TP11
0
TP11
0
TP11
0
TP11
0
TP111
TP11
1
TP11
0
TP11
1
TP11
1
TP11
1
TP11
1
TP11
1
TP11
0
TP11
0
TP11
0
TP11
1
TP1609
TP1608
TP1611
C1609
1
TP1610
CNS1101
C1631
1
R1650
10K
C1650
820P
R1652
10K
C1651
820P
R1656 6.8K
C1653
820P
TP1616
C1421
0.022
C1422
0.022
IC160
M56758
TP1607
TP1606
C1254 10
C1255 4.7
L1251
47uH
TP11
2
R11
0
10
K
R1612
56K
C1610
10
C1604
56P(CH)
C1605
100/10
Q1601
2SA1314 C
R1617
47K
R1609
1.5K
R1611
12K
R1610
30K
R1654 6.8K
C1652
820P
C1601
4.7
5-CH MO
FLEXIBLE
PWB
CNP1602
CNP1603
CNP1604
2
3
12
15
16
1
2
1
2
1
2
M
+
–
+
–
+
–
M901
MD
SPINDLE
MOTOR
M902
MD
SLED MOTOR
M903
MD
LOADING
MOTOR
M
M
LEAD IN
HINF
GND
LOADING
MINF
WRITE
PRO
LEAD IN
MD PLAY
MD
RECORD
LOADING
MD MECHANISM SWITCH
PWB-H
R1902
1.8K
R1901
470
R1904
820
R1903 820
CNS1901
SW1952A
SW1953
SW1954
SW1955
SW1956
1
2
3
4
5
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7
5 4 3 2 1
1
2
3
4
8
VCC
GND
LDOUT
EXT.C
APC
LVV
L.DON
L.DVAR
7
6
5
SW
+2.8V
B
LVVOUT
APCOUT
LDVCC
DGNG
DGND
LDON
LDVAR
I/V
I/V
I/V
I/V
A
COM
RF1
F
E
RF3
RF4
VCC
AGND
MP/R
RF2
APCIN
DGND
LVVIN
F-
T.COOL
F.COOL
T+
F+
T-
MD OPTICIAL PICKUP UNIT
FW1901
1
5
1
5
28
6
DIRECT
SW1952B
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