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A
B
NOT USED RXD-M51(M,T,E)
IC1101
:
IR3R55
MECHA. (SW PWB)
IC1201
:
LR376484
1
IC1202
IX2474AF
:
R1902
IC1300
:
74ACT02F
1.8K
WRITE
IC1401
:
IX0253AW
PRO
IC1402
:
S29294A
SW1951-A
IC1601
:
BA5984FP
IC1701
:
UDA1344
IC1702
:
NJM431U
DISC ID
IC1801
:
XC62EP32
SW1952-B
Q1300,1302
:
2SK2909
Q1301,1303
:
2SK1473
LEAD IN
Q1400,1401,1701
:
RNC1404
Q1402,1403
:
RN2404
SW1953
:
RNC1407
Q1500,1800,1802
Q1700
:
2SC2412KR
PLAY
Q1702,1801
: 2SA1162G
Q1803,1806
: RN1406
SW1954
Q1804,1805
:
2SA1314C
2
D1300,1301
: SB0209CP
REC
D1401
: SB00703Q
SW1955
LOADING
SW1956
DIGITAL LINE
SIGNAL LINE
GND LINE
B LINE
+B
PICKUP
CN1101
SW
28
28
3
+2.8V
27
27
B
26
26
LVVOUT
4
25
25
APCOUT
3
24
24
1
8
LDVCC
VCC
23
23
DGND
22
22
2
7
DGND
GND
21
21
6
LDON
20
20
3
LDVAR
3
19
19
4
5
A
4
18
18
COM
17
17
I/V
RF1
16
16
F
4
15
15
E
14
14
RF3
I/V
13
13
I/V
RF4
12
12
VCC
11
11
AGND
10
10
MP/R
9
9
I/V
RF2
8
8
APCIN
7
7
DGND
6
6
LVVIN
5
5
F.COIL
F-
4
4
5
T+
3
3
F+
2
2
T.COIL
T-
1
1
MECHA.
(MOTOR PWB)
CN1602
SLD+
1
1
M1951
SLD-
FM
2
2
FEED
MOTOR
CN1603
SP+
1
1
M1952
6
SP-
DM
2
2
DISC
MOTOR
CN1604
TRY+
1
1
M1953
TRY-
LM
2
2
LOADING
MOTOR
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to
7
parts list).
indicates safety critical components. For continued protection against risk of fire, replace only with same type
and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
C
D
MD MECHANISM
(D40-1602-
5) MDM-98A
CN1901
CW1901
LEAD IN
1
LEAD IN
HINF
2
HINF
GND
3
GND
LOADING
4
LOADING
R1901
MINF
5
MINF
470
C1302
10
Q1302
R1904
820
REC HEAD
CW1903
C1301
1
1
0.027
R1301
10
2
2
Q1300
CN1300
Q1303
Q1301
R1303
R1100
+B
27
IC1101
+
R1101
RF AMP
+B
1
R1102
72
10K
3
0.7V
EFM
9
1
RF2
AGC
+B
0.8V
2
RF1
12
0.8V
3
RF4
DIFF
11
0.8V
4
RF3
DIFF
C1101
ADIP
1u6.3
1.6V
5
REFI
AGC
+
C1120 0.01
+B
C1102
1.6V
6
REFO
LPF
1
39
C1103
0.7V
7
RFADD
BIAS
0.027
R1103
1.6V
8
TCGI
390K
1.6V
9
AIN
9
16
1.6V
10
BIN
10
17
15
1.6V
11
EIN
11
18
1.6V
12
FIN
12
LOGIC
14
13
C1106
1u6.3
R1113
0
+
+
12
11
+B
10
9
E
F
+4.8V
C1303
4.7
R1304
+4.8V
680
HEAD
DRIVER
IC1300
+3.2V
1.6V
1.3V
5
1.9V
6
1.6V
7
0
1.3V
8
1.9V
9
10
+3.2V
1.6V
11
+3.2V
11
12
+3.2V
EFM OUT
13
14
15
16
R1223
100
1.6V
17
R1200
1.4V
18
18
100K
R1201
1.9V
19
19
100K
R1202
1.7V
20
20
150K
R1203
1.6V
21
21
150K
ADIPI
36
R1204
22
1.7V
22
1.6V
62K
R1205
1.6V
23
23
62K
ADIPO
35
R1206
2.0V
24
24
1.6V
NC
34
33K
R1207
25
1.3V
ADLPFO
33
25
33K
1.6V
22KO
32
HPF
22KI
31
R1107
WBO
30
1.6V
560
11
R1108
TCCO
29
1.6V
7
22K
C1113
AOUT
28
1.3V
R1109
270P
5
22K
C1114
R1110
270P
BOUT
27
1.3V
8
22K
C1115
R1111
270P
EOUT
26
1.9V
6
22K
C1116
FOUT
25
1.9V
R1112
270P
9
22K
C1117
270P
+3.2V
+3.2V
L1100
0.47uH
+3.2V
The DC voltage is an actual reading measured with a high impedance type voltmeter. The measurement value may vary depending on the measur-
ing instruments used or on the product. Refer to the voltage during RECORDABLE MD PLAY unless otherwise specified; The value shown in ( ) is
the voltage measured at the moment of STOP. The voltage followed by (REC) refers to the value during MD RECORDING.
G
H
+3.2V
C1204
C1205
0.047
1
1
FEMMON
2
AVCC
3
EFMI
4
AGND
5
AIN
6
EIN
7
TCG
8
BIN
9
FIN
VBAT
WBI
VDD1
IC1201
DSP
DGND
SERVO
TEST0
EFM/ACIRC/ATRAC
TEST1
ENCODER/DECODER
TEST2
X176KO
FODRF
FODRR
TRDRF
TRDRR
SLDRF
SLDRR
SPDRF
SPDRR
+3.2V
3.2V
IC1202
4M BIT
D-RAM
+3.2V
+3.2V
I
J
+4.8V
+4.8V
+4.8V
+3.2V
DIGITAL
IN
DIGITAL
75
OUT
FEMON
74
1.0V
DADATA
73
0.9V
ADDATA
72
1.4V
R1211
DFCK
72
220
71
1.6V
BCLK
71
70
1.6V
LRCK
70
DIGITAL
69
DGND
REC
68
VDD3
+3.2V
R1212
67
1.6V
DOUT
220
R1220
66
0V
0
DIN
R1217
C1209
65
150
12P
DIGITAL
XO
IN
C1208
64
12P
XI
63
C1207
DGND
1
62
VDD1
+3.2V
61
VPO
R1214
60
3.2V
10K
VXI
59
3.2V
R1219 10K
CDBCLK
58
R1221 10K
3.2V
CDLRCK
R1222 10K
57
3.2V
CDDATA
56
TEST4
55
1.6V
R1216
TEST3
0
54
1.6V
TESO1
53
EXPORTI
52
EXPORTO
51
X700KO
0V
R1210
220
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