– 59 –
MD-C2
7
8 9 10 11 12
• The numbers 1 to 24 are waveform numbers shown in page 65 and 66.
Figure 59 SCHEMATIC DIAGRAM (16/16)
100K
270P
Connect an oscilloscope
Waveforms should be measured by inserting the circuit,
as shown in the figre.
6 9
1
6
7
9
8
5
11
10
13
19
14
21
20
18
23
22
24
17
NC
NC
NC
NC
PRO
EPCS
EEPD
EEPK
WBO–I
R/P
–
R/P
N
XRST
DINT
MCCK
DSENSE
CIN
FOK
SYD4
SYD3
SYD0
SYD6
SYD5
SYRS
SYRD
SYWR
SYD7
SYD2
SYD1
AOUT–IN
EOUT–IN
TCG
BOUT–IN
FOUT–IN
EFMO–I
WBO–I
A3
A2
A1
A0
A4
A5
A6
A7
A8
DINT
UCON3.2V
LDON
SYD1
SYD3
SYD2
SYD0
DADATA
ADDATA
BCLK
LRCK
DFCK
I/O1GND
OE
VCC
RAS
A2
A3A5
CAS
A1
I/O2
A6
I/O4
A8
A4
A9
WE
A7
A0
I/O3
DI
DO
GND
PRTCT
NC
VCC
CS
SK
STID
PRO
EEPD
VOUTL
VREFD
VSSO
SYSCLK
L3CLK
L3MODE
AA.GND
TEST1
VDDO
VOUTR
AVDD
AVSS
TEST2
TEST3
DATAI
DATAO
WS
BCK
L3DATA
VSSD
VDDD
OVERFL
VADCP
VADCN
VINR
VREFA
VINL
VDDA
VSSA
PCNT0
DIN
DOUT
LRCK
ADDATA
DADATA
DFCK
BCLK
PCNT0
PCNT0
L3MODE
L3CLK
L3DATA
VREF3.2V
BACKUP
PDOWN
LOADIN
STID
SERCH
KDATA
DSCK
MDDATA
DSTB
AA.GND
D.GND
DIGOUT
GND
DIGIN
RESET
MD–ST
LOAD SW
DSCK
SERCH
KDATA
MDDATA
DSTB
D.GND
D.GND
D.GND
D.GND
DVDD
DVDD
BACKUP
PDOWN
AA.GND
AVCC
R OUT
L OUT
AD.GND
L IN
AA.GND
R IN
RESET 2 3
0.1V
3.18V
1 0V
3.18V
3.2V
2.4V
0V
0V
3.08V
0V
0V
1
1
2
2
3
3
0.1V
3.2V
5.4V
3.2V
3.2V
3.2V
0V
0V
0V
0V
0V
EEPK
EPCS
1
2
1
3
1
2
3.2V
3.2V
0V
0V
32
3.15V
3.18V
2.1V
2.3V
3
0V1
2 3
0V 0V
3.2V
5V
0V
0V
3.1V
1.2V
2.4V
0.8V
1.8V
1.5V
2V
3V
1.1V
1.1V
0V
A4
A5
A6
A7
A8
1.2V
1.3V
1.7V
1.3V
2.5V
2.4V
2.2V
1.2V
1.1V
A3
A2
A1
A0
A9
3.2V
0V
3.15V
3.16V
0.8V
0.7V
0.9V
0.4V
0.4V
0.4V
0.5V
3.17V
0.6V
0V
3.17V
3.1V
1.5V
0V
0V
0V
0V
1.56V
3.16V
0V
1.5V
1.8V
0V
1.5V
1V
1.55V
1.55V
1.5V
NC
NC
NC
NC
3.17V
1.58V
0V
1.3V
1.3V
0V
3.17V
0V
3.17V
3.2V
3.2V
3.2V
0V
0V
58V
0V
0V
58V
PLAY:0V
REC:1.5V
1.56V
3V
0V
1.1V
1.1V
3V
2V
1.5V
1.1V
1.2V
2.4V
0V
2.2V
A9
1.3V
1.7V
1.3V
2.5V
1.2V
3.2V
1.4V
1.8V
0.8V
2.5V
1.2V
FODRF
FODRR
TRDRF
TRDRR
SLDRF
SLDRR
SPDRF
SPDRR
SPDRR
1.4V
1.53V
1.8V
1.63V
1.5V
1.7V
1.45V
0V
0V
0V
0V
3.17V
1.6V
1.25V
1.36V
1.6V
1.77V
1.36V
0V
1.6V
3.2V
EFMMON
1.48V
0V
3.2V
0V
0.8V
2.2V
0.2V
0V
2.3VDSCK
KDATA
MDDATA
DSTB
FOK
CLOCK
LATCH
DATA
0V
0V
0V
3.2V
0V
0V
3.15V
0V
0V
0V
0V
R/P
0V
0V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
1.7V
1.8V
1.8V
1.4V
3.2V
3.2V
0V
DIN
DIC IN:1.58V
OTHER:0V
EFMO
RAA7
DGND
RAA4
RAA5
RAA6
RAA8
RAOEX
RACASX
RAD2
RAD3
RAA9
RAA3
RAA2
RAA1
RAA0
ACRCER
PLCK
RAA10
TCRS
RARASX
RAWEX
RAD0
VDD2
RAD1
X700KO
EXPORT0
EXPORT1
TESO1
TEST3
TEST4
CDDATA
CDLRCK
CDBCLK
VXI
VPD
VDD1
DGND
XI
XO
ADDATA
DFCK
BCLK
LRCK
DGND
VDD3
DOUT
RSTX
SBSY
SBO
SBCK
TEMON
TOTMON
DGND
VDD1
SENSE
FOK
MCCK
COUT
DINTX
SFSY
SYD6
SYD5
SYD4
SYD3
SYD2
SYD1
SYD0
SYRS
SYRDX
SYWRX
SYD7
VREF3.2VVREF3.2V
HINF
MINF
NC
NC
NC
NC
2V
0V
3.2V
DTEMP
XRST
1.77V
1.56V
1.62V
L3DATA
L3CLK
L3MODE
LDVAR
LDON
DTEMP
LATCH
CLOCK
DATA
FSWCK
CNPF03
TO MAIN PWB(1/3)
P36 4~6-H
CW1501
FEMON
DADATA
R1408
3.3K
C1403
0.047
TP1150
R1109
R1111
R1108
R1108~R1112:22K
R1110
R1112
C1114
C1115
C1116
C1117
C1113
TP1200
C1200
1
R1456
10K
R1414
1K
R1405
3.3K
TP1420
R1427
1K
R1428
1K
IC1401
IX0276AW
MD SYSTEM
MICROCOMPUTER
R1429
47K
R1426
1K
C1410
1
R1411
1K
C1453
0.022
R1457
1K
R1410
3.3K
R1407
100K
C1405
680P
TP1423
TP1422
TP1421
R1444
100
TP1425
C1404
0.022
R1454
10K
TP1424
R1453
10K
R1458
1K
C1454
0.022
406
0K
C1450
0.022
C1451
0.022
C1452
0.022
R1223
100
C1113 ~C1117
:270P(CH)
TP1201
R1200 100K
TP1204
R1203 120K
R1204 82K
TP1202
C1201
10
TP1210
R1201 100K
R1202 120K
R1205 82K
R1206 62K
TP1206
R1209
100
C1205
1
R1207
62K
TP1205
TP1208
TP1203
TP1209
TP1207
IC1201
LR376484
ENDEC/ATRAC
TP1215
TP1218
TP1217
TP1216
C1202
1
TP1211
C1204
0.047
R1219
10K
C1210
22P
(CH)
R1214
10K
R1222
10K
R1221
10K
TP1213
TP1212
R1133
10
C1118
1
L1101
10µH
R1420
10K
IC1202
IX2474AF
4MBIT D–RAM
9 10
11 12 13 14 15 16 17 18 19 20
8
7
6
5
4 3 2 1
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
68
69
56
55
57
70
71
72
73
74
75
76
77
78
79
80
81828384858687888990919293949596979899
100
8
7
6
5
4
3
2
1
4
3
2
1
8
7
6
5
Q1403
RN2404
Q1400
RNC1404
Q1402
RN2404
R1422
10K
R1424
10K
R1703
3.3K
(1s)
IC1702
NJM431U
REGULATOR
C1707
1
C1714
1
R1712
12
R1711
12
R1707
1K
R1708
27K
Q1702
2SA1162 G
R1704
820
R1700
39K
R1701
30K
TP1700
TP1701
L1700
10µH
C1700
47/4
C1701
47/4
L1701
10µH
C1712
10/16
R1706
1M
R1710
680K
C1705
0.047
C1708
0.01
C1706
0.01
TP1706
TP1704
C1716
47/4
C1711
47/4
C1704
47/4
R1705
39K
R1709
39K
IC1701
UDA1344
AD/DA CONVERTER
C1703
0.1
C1710
10/16
TP1702
Q1700
2SC2412 KR
R1702
1K
(1s)
C1702
1000P
9 10 11 12 13 14
1516171819202122232425262728
8
7
6
5
4 3 2 1
3
2
1
C1709
0.01
Q1701
RNC1404
C1805
1
R1807
27K
Q1804
2SA1314 C
R1804
390
R1806
1
R1809
1
R1811
1
IC1801
XC62EP32
REGULATOR
4
5
1
2
3
R1521
6.8K
R1522
220
R1450
1K
R1451
1K
R1452
1K
Q1800
RNC1407
Q1802
RNC1407
R1801
270
Q1801
2SA1162 G
D1401
SB00703Q
R1430
10K
L1200
4.7µH
TP1800
C1800
220/4
L1201
0.47µH
C1801
10
TP1801
R1803
100K
(1s)
R1802
220K
(1s)
C1802
10
C1803
100/10
Q1805
2SA1314 C
R1805
270
Q1806
RN1406
R1808
1.8K
C1804
2.2
R1535
47
R1514
1K
C1501
1
Q1500
RNC1407
TP1500
TP1501
TP1502
TP1503
TP1504
TP1505
R1510
8.2K
R1511
8.2K
R1515
1.8K
R1516
1.8K
R1512
47
C1503
0.33
L1501
1µH
R1519
120
R1518
10K
R1520
10K
R1517
10K
C1511
22P (CH)
C1505
100P (CH)
C1506
100P (CH)
C1502
220P (CH)
L1503
4.7µH
C1509
0.047
R1525 3.3K
R1526 1K
R1527 8.2K
R1528 8.2K
R1529 8.2K
R1530 220
R1531 220
TP1514
TP1515
TP1516
TP1517
TP1518
TP1519
TP1508
TP1509
R1532
1K
TP1510
TP1511
TP1512
TP1513
TP1520
TP1506
TP1521
TP1507
TP1522
TP1523
TP1524
TP1525
28
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
8
7
6
5
4
3
2
1
1
CN1501
R1134
1
Q1803
RN1406
R1425
100K
C1409
0.1
C1408
0.022
Q1401
RNC1404
C1203
1
R1208
220
R1225
220
R1211
220
R1215
1M
XL1201
33.8688MHz
C1208
12P (CH)
R1217
150
C1209
12P (CH)
C1206
0.0012
R1212 47
C1207
1
R1417
10K
R1413
1K
R1455
1K
C1407
0.047
R1415
10K
R1419
10K
R1421
10K
R1423
10K
TP1414
TP1415
R1713
100K
C1713
0.01
TP1703
TP1705
C1715
0.1
R1210
220
N PWB-I
CD SIGNAL
MD SIGNAL
MD RECORD SIGNAL
C1504
220P (CH)
IC1402
S29294A
EEPROM
EFMO–I
EOUT–IN
AOUT–IN
TCG
BOUT–IN
FOUT–IN
C1508
0.047
FODRF
FODRR
TRDRF
TRDRR
SLDRF
SLDRR
EFMI
AGND
TCG
AIN
BIN
EIN
FIN
WBI
VDD1
DGND
TEST0
TEST1
TEST2
X176KO
AVCC
SPDRF
VBAT
0V
3.2V
1.4V
1.5V
1.4V
0V
3.2V
0V
0V
0V
1.5V
3.2V
1.6V
0V
0V
0V
1V
0V
0V
3.17V
1.55V
3.17V
1.57V
3.2V
1.57V
3.2V
3.17V
3.17V
AA.GND
AA.GND
VREF3.2V
3.2V 4.8V
3.3V
3.1V
0V
0.7V
1
2
3
BACKUP
5.4V
4.8V
5.4V
0V
2.46V
3.85V
P.GND
1
2
3
0V
0V
2
0V3.1V
3
0V
1
0.15V
5V5V
4.3V
3.2V SNG/CNG
XRST
3/5
DFS1
3.2V DFS0
3.2V DAPON NC
SBSY
3.1V LDON
3.2V DISC5
3.1V PCNT0
SHIFT–
SHIFT+
3.2V L3CLK
3.2V L3MODE
3.2V L3DATA
GND
3.2V DISC4
3.2V VCC
3.2V EEPK
3.2V EPCS
EEPRO
EEPD
SLOT3
SLOT2
SLOT1
SYSD0
SYSD1
SYSD2
SYSD3
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
3.15V
NC
NC 1.44V
NC FSW 3.2V
NC
SERCH
RESET
MCCK
DSENSE
LDVAR
CIN
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
2V
A/B
97A:0V
97B:3.2V
MINF
Low reflection:2.2V
High reflection:0.1V
R/P
PLAY:3.15V
REC:0V
TEST K2
GND
HINF
SBO
AVCC
VREF
AVCK3
AVCK2
EMPH
DAMUT
MUTE
DOUTM
AVCK1
DTEMP
TP1418
TEST1
TP1419
TEST2
ADMUT
PLL SEL
DATA
LATCH
FOK
SYWR
SYRS
SYRD
SYSD7
S1
S2
CLOCK
KDATA
MDDATA
DSCK
DSTB
SYSD5
SYSD6
4M/16M
SYSD4
SYWR
SYRS
SYRD
SYSD7
SYSD5
SYSD6
SYSD4
P–DOWN 3.2V
HDON 3.2V
LD+
LD–
CIN
INNER 3.2V
DSENSE
ST–ID
SERCH
MDRSW 3.15V
DINT 3.1V
3.2V
VCC 3.2V
MCCK 1.5V
VSS
RESET 3.18V
SEACH OUT
SFSY
STID OUT
SBCK
LDVAR 0.2V
ADIS 3.2V
ERROR 3.1V
LOAD IN
BYTE
CNVSS
SL POS
MECHA SLOT1 POSITION:1.7V
MECHA SLOT2 POSITION:1.3V
MECHA SLOT3 POSITION:0V
MECHA LIFT UP/DOWN:3.2V
CRTRG SW
OTHER:0V
MECHA NO DISC:3.2V
OTHER:3.2V
SLOT3 DISC IN:0V
OTHER:3.2V
SLOT2 DISC IN:0V
OTHER:3.2V
SLOT1 DISC IN:0V
OTHER:0V
LIFT DOWN:3.2V
OTHER:0V
LIFT UP:3.2V
TP1452
TP1451
TP1450
TP1417
TEST0
R1513
47
1
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
25
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
100
9 9897969594939291908988878685848382818079787776
75
74
75
74
73
72
71
70
69
68
67
66
65
64
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62
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