– 63 –
MD-X60H
Figure 63 SCHEMATIC DIAGRAM (14/16)
7
8
9
10
11
12
• The numbers
1
to
24
are waveform numbers shown in page 70 and 71.
TO MAIN PWB (2/4) SYSTEM CONTROL SECTION
P45 11-B
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
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
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
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
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
1
2
3
4
5
1
2
3
4
5
1
3
2
1 2 3 4 5 6 7 8 9
10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1
2
3
4
1
2
3
4
1
2
1
2
3
4
5
14
13
12
11
10
6
7
8
9
1
2
3
4
5
14
13
12
11
10
6
7
8
9
VSSA
VDDA
VINL
VREFA
VINR
VADCN
VADCP
OVERFL
VDDD
VSSD
L3DATA
BCK
WS
DATAO
DATAI
TEST3
TEST2
AVSS
AVDD
VOUTR
VDDO
TEST1
REF
VDDA
PD
AMPO
AMPI
XI
VSSA
LOCK
VDD
S1
S2
M1
M2
VSS
CKO
Vcc
GND
R IN
AA.GND
L IN
AD.GND
L OUT
R OUT
AVCC
AA.GND
AA.GND
AA.GND
AA.GND
AA.GND
I/O3
A0
A7
WE
A9
A4
A8
I/O4
A6
I/O2
A1
CAS
A5
A3
A2
RAS
VCC
OE
GND
I/O1
4M/16M
PDOWN
BUCKUP
BUCKUP
µ
CON 3.2V
BUCKUP
DOUTO
PDOWN
EEPRO
DSTB
R/P
MINF
TEST0
DSCK
MDDATA
SYSD3
SYSD2
TESTK2
AVCK1
TESTK1
AVCK2
HINF
EPCS
EEPK
KDATA
XRST
TEST2
S2
S1
SYSD7
SYSD6
ADPON
DAPON
LDON
PCNT0
PCNT1
DFS0
DFS1
VCC
SYRD
SYRS
SYWR
SYSD1
SYSD0
DAMUT
FOK
MUTE
GND
EEPD
GND
TEST1
DIGEX
DIGCD
DOUTMT
VREF3.2V
PCNT0
PCNT0
PCNT0
24
23
P.GND
3
1
2
2
3
1
VREF3.2V
D.GND
DVDD
DVDD
D.GND
D.GND
D.GND
D.GND
DSTB
MDDATA
KDATA
SERCH
DSCK
LOAD SW
MD-ST
RESET
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SK
VCC
PRTCT
DI
DATA
GND
CS
RAD1
VDD2
FODRF
RAD0
RAWEX
RARASX
X176KO
TEST2
TEST1
TEST0
DGND
VDD1
TCRS
RAA10
RAA0
26 27 28
RAA1
RAA2
RAA3
RAA9
RAD3
RAD2
RACASX
RAOEX
RAA8
RAA6
RAA5
RAA4
DGND
WBI
VBAT
FIN
EIN
BIN
AIN
TCG
AGND
EFMI
AVCC
SFSY
DINTX
COUT
MCCK
FOK
SENSE
VDD1
DGND
78 77 76
TOTMON
TEMON
SBCK
SBO
SBSY
VPD
DGND
XI
XO
SYD7
100
99 98
SYWRX
SYRDX
SYRS
EFMMON
EXPORT0
RSTX
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
EXPORT1
TESO1
TEST3
TEST4
DIN
DOUT
VDD3
DGND
CDDATA
CDLRCK
CDBCLK
VXI
LRCK
BCLK
DFCK
ADDATA
DADATA
FEMON
VDD1
RAA7
FODRR
TRDRF
TRDRR
SLDRF
SLDRR
SPDRF
SPDRR
48 49 50
PLCK
ACRCER
EFMO
X700KO
L3MODE
L3CLK
SYSCLK
VSSO
VREFD
VOUTL
DTEMP
GND
Vcc
L3DATA
L3MODE
L3CLK
VREF3.2V
DIGIN
AVCK3
A/B
GND
Vcc
A8
A7
A5
A4
A6
A3
A2
A1
A0
A4
A5
A6
A7
A8
A3
A2
A1
A0
A9
SYRS
SYRD
SYWR
SYD7
SYD6
SYD5
SYD4
SYD3
SYD2
SYD1
SYD0
XRST
DINT
MCCK
CIN
DSENSE
FOK
EEPK
EEPD
SYD0
EPCS
EPCS
EEPK
EEPD
SYD1
LDON
PRO
PRO
SYD3
1
SYD2
SLDRR
SLDRF
SPDRF
SPDRR
TRDRR
TRDRF
FODRF
FODRR
XRST
SYD4
SYD5
SYD6
SYD7
SYWR
SYRD
SYRS
FOK
A9
L3DATA
L3MODE
L3CLK
LOADIN
RESET
2
1
3
SERCH
KDATA
DSCK
MDDATA
DSTB
DTEMP
DSCK
KDATA
MDDATA
L3DATA
DFCK
BCLK
LRCK
ADDATA
DADATA
L3CLK
L3MODE
STID
ADDATA
DADATA
DFCK
BCLK
LRCK
NC
CNP950
TO MAIN PWB (2/4) SYSTEM CONTROL SECTION
P45 12-C
CNP960
CNS960
1
2
3
3
2
3
1
2
3
1
2
3
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
4 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
SYSD5
SYSD4
49 50
7 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81
ADMUT
EMPH
82 81
80
79
78
77
76
C1743
47/4
L1702
10
µ
H
TP1701
R1947
Z2134S
JC121
0.047
IC1202
IX2474AF
4M BIT D-RAM
C1211
1
TP1275
TP1204
R1254
220
TP1210
100K
270P
C1208
0.047
R1211
220
C1209
1
C1202
1
RC120
220
R1210
100
C1203
1
IC1201
LR376481
ENDEC
TP1215
TP1274
R1653
100K
R1651 100K
R1657 120K
R1655 120K
R1661 82K
R1659 82K
R1665 62K
R1663
62K
TP1212
TP1214
TP1213
L1701
10
µ
H
R1827
270
Q1821
RNC1407
Q1822
RNC1407
Q1820
2SA1162G
R1429
10K
R1430 10K
R1422
10K
IC1401
IX0246AW
MD SYSTEM
MICROCOMPUTER
R1423
10K
R1424
10K
TP1405
TP1404
R1475
1K
R1474
1K
C1405
0.1
IC1402
S29294A
R1414
10K
R1416
10K
R1473
100K
TP1455
TP1456
TP1457
R1476
1K
C1406
1
TP1217
TP1218
TP1216
C1207
1
C1210
1
R1456
1K
R1202
1M
C1204
12P(CH)
XL1201
C0001AW
R1201
150
C1205
12P
(CH)
R1418
47K
C1407
0.022
Q1402
RNC1404
R1471
10K
R1969
56
C1954
15P
(CH)
C1952
0.01
R1962
220K
C1955 0.047
C1958
0.047
R1965
10K
R1963
1.5K
C1956 47/6.3
C1953
0.47
IC1907
TC9246F
CLOCK
GENERATOR
R1961
100
C1957
100/6.3
C1964 0.001
R1964
6.8K
R1968
220
R1967
47
IC1906
TC7ST08F
C1951
0.047
R1262
10K
R1263
10K
R1261
10K
TP1412
R1809
390
Q1807
2SA1314C
TP1802
IC1801
XC62EP32
C1805
1
TP1702
TP1503
TP1501
TP1502
TP1512
TP1511
CN1902
R1716
3.3K
R1715
1K
C1810
1
IC1802
NJM431U
Q1701
2SC2412KR
R1717
820
C1704
1
R1806
12
R1807
12
R1734
47K
R1735
47K
R1733
47
R1731
47
C1724
100P
(CH)
JC170
Z2134SC
JC171
Z2134SC
C1722
100P
(CH)
TP1520
TP1518
TP1519
TP1521
TP1523
TP1524
TP1522
LR190
4.7
µ
H
L1950
1
µ
H
JC196
Z2134SC
C1904
0.33
TP1515
TP1516
TP1517
Q1451
RNC1407
R1461 10K
R1459 10K
R1463
10K
C1425
0.047
TP1510
TP1509
TP1508
TP1507
TP1505
TP1506
R1452
3.3K
R1454 1K
R1458 6.8K
R1460 6.8K
R1462 6.8K
R1464 220
R1466 220
TP1504
R1995
2.2K
R1994
2.2K
TP1803
Q1806
RNC1404
R1810
1K
R1811
27K
R1221
220
C1703
47/4
R1710
30K
R1711
39K
R1808
27K
R1708
4.3K
J1720
330P
R1707
4.3K
C1460
1
TP1273
IC1701
UDA1340
AD/DACONVERTER
C1716
0.01
C1711
0.01
C1702
0.047
C1701
0.01
C1700
0.01
C1717
0.01
TP1711
TP1710
C1712
47/4
C1714
47/4
TP1713
TP1712
C1713
22/4
C1715
22/4
C1720
0.01
C1806
10
C1807
220/4
R1266
10K
C1706 10/16
C1707
10/16
R1701
1M
R1702
680K
C1801
2.2
C1803
10
Q1802
RN1406
Q1803
RN1406
TP1801
R1801 1.8K
Q1801
2SA1314C
R1802
270
R1805
100K
R1804
220K
C1802 100/10
TP1279
TP1454
TP1415
TP1414
TP1413
TP1416
TP1458
Q1804
2SA1162G
R1821
1
R1820
1
R1281
47
TP1278
R1269
00
R1478
10K
TP1902
TP1901
TP1904
CN1904
CNS1904
C1927
0.047
IC1916
74VHC08F
C1913
22P(CH)
R1927
22
R1974
220
R1973
6.8K
R1939
1K
C1710
47/4
C1709
0.047
L1203
4.7
µ
H
L1201
0.47
µ
H
IC1990
74AC04FS
INVERTER
C1992
0.1
C1991
10
D1990
1SS372
C1990
1
C1206
1
R1712
100K
R1713
39K
R1714
39K
TP1911
EEP-ROM
REGULATOR
REGULATOR
AND GATE
AND GATE
1
7
8
9
9
6
6
13 14
18
19
17
21
20
11
10
22
23
24
~
MD MAIN PWB-D
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
Waveforms
should be measured by inserting the circuit,
as shown in the figure.
Connect an oscilloscope.
24
MD FLAT CABLE
(42)
1
1.48V
0V
0V
1.77V
1.77V
1.25V
1.36V
1.36V
1.6V
1.6V
1.6V
3.17V
0V
0V
0V
0V
1.45V
1.56V
1.62V
1.7V
1.5V
1.63V
1.53V
1.8V
1.2V
2.5V
0.8V
1.8V
1.4V
3.2V
1.2V
2.5V
1.3V
1.7V
1.3V
2.2V
0V
2.4V
1.2V
1.1V
1.5V
2V
3V
1.1V
1.1V
0V
3V
1.56V
PLAY:0V
REC:1.5V
58V
58V
0V
0V
0V
0V
3.2V
3.2V
3.2V
3.17V
3.17V
0V
0V
1.3V
1.3V
1.58V
3.17V
0V
1.5V
1.55V
1.55V
1.8V
0V
3.16V
0V
0V
0V
1.5V
1.5V
3.1V
3.17V
3.17V
0.5V
0.6V
0.4V
0.4V
0.4V
0.9V
0.7V
0.8V
3.16V
3.15V
0V
0V
1.56V
0V
1.5V
0V
1V
DIC IN
:1.58V
OTHER:0V
1.4V
1.58V
1.58V
3.2V
3.2V
1.55V
2.2V
3.2V
3.2V
1V
0.9V
DIG IN
:2.2V
OTHER:0V
DIG IN
:1.58V
OTHER:0V
5.5V
1.6V
0V
2.8V
5.5V
2.8V
2.6V
2.6V
1.6V
0V
0V
4.9V
0V
0V
3.2V
3.1V
5V
2.2V
5V
5V
4.9V
1.45V
1.45V
1.45V
1.7V
1.7V
1.7V
1.7V
1.45V
1.37V
1.7V
1.37V
1.7V
1.37V
0V
1.1V
1.1V
3V
2V
1.5V
1.8V
0.8V
2.4V
1.2V
3.2V
1.2V
2.5V
1.3V
1.7V
1.3V
2.2V
2.4V
1.2V
1.1V
0V
V
2.2V
0.2V
2.3V
0V
PLAY:3.15V
REC:0V
0V
0V
0V
3.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
0V
2V
3.2V
1.7V
1.8V
1.8V
1.4V
Low reflection:
2.2V
High reflection:
0.1V
0V
3.2V
3.2V
3.2V
3.2V
3.2V
3.2V
3.1V
3.2V
3.15V
3.2V
3.1V
3.1V
3.15V
0V
3.2V
1.4V
1.5V
1.5V
3.17V
3.17V
1.4V
0V
0V
3.2V
0V
0V
3.2V
3.17V
1.55V
3.17V
0V
1V
0V
0V
0V
0V
1.6V
3.2V
3.2V
1.57V
1.57V
3.85V
3.2V
5.4V
3.85V
2.46V
0V
3.2V
2.4V
3.18V
3.2V
3.95V
3.3V
0V
3.18V
0.1V
5.4V
4.8V
5.4V
0V
3.1V
0.7V
0V
44V
3.2V
3.1V
0V
0V
0V
3.08V
0V
0V
0.1V
5V
0V
0V
0V
0V
3.1V
0.15V
5V
43V
0V
0V
0V
0V
0V
3.2V
3.2V
3.2V
0V
0V
0V
2.3V
V