Service manual
MD-MT15/15C/15H/15W/161E/18H
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7
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Figure 15 SCHEMATIC DIAGRAM (2/3)
P14
P15 P16
TP064B
TP070B
TP086B
TP087B
TP088B
C
C506
1000P
TP082
TP089
TP087
TP085
TP084
TP083
TP080
TP079
TP078
TP086
TP093
TP092
TP091
TP090
TP073
TP063
TP064
TP065
TP066
TP067
TP068
TP069
TP070
TP062
TP061
TP077
TP076
TP075
TP074
TP072
TP071
CN702
9
8
7
6
5
4
3
2
1
TP088
R467
18K
Q461
2SC4738 GR
L206
100mA
L205
100mA
L202
100mA
L201
100mA
R279
100
R277
39K
C827
22/6.3
R460
68K
R833
47
C834
0.1
D831
1SS372
C831
0.1
C832
0.1
C209
22P(CH)
TP418
TP483
TP489
TP488
TP486
TP487
TP482
TP481
C481
1
C482
1
CN482
9
8
7
6
5
4
3
2
1
IC808 CHARGING CIRCUIT
HN1C01FU
6
5
4
3
2
1
C877
1
R466
560K
C866
1
R851
10K
C851
150P
(CH)
I
C
2
R
T
3
2
1
TP786
TP788
TP789
TP787
TP785
TP783
TP780
TP779
TP793
TP792
TP791
TP790
TP761
TP775
TP774
TP771
TP770
TP769
TP768
TP767
TP765
TP764
TP763
CN701
9
8
7
6
5
4
3
2
1
TP782
TP777
C454
0.0022
R462
100K
R464
100K
R414
1K
R413
1K
TP408
R415
1K
IC402
EEPROM
S29L294A
R411
100K
R412
10K
TP411
TP409
TP407
TP410
TP413
R458
56K
R457
18K
R456
8.2K
R455
5.6K
R453
18K
R452
8.2K
R451
5.6K
TP460
CN451
9
8
7
6
5
4
3
2
1
TP453
TP452
TP451
TP461
TP454
TP455
TP456
TP457
TP458
TP459
TP462
TP463
R422
100K
R461
100K
R463
100K
D461
RB731U
6
5
4 3
2
1
D431
1SS361
C431
0.47
R431
330K
IC431
SESET
S80820LN
4
3
2
1
IC202
4MBIT D-RAM
IX2567AF
9
8
7
6
5
4
3
2
1
D861
EP10LA03
C863
1
C865
1
L862
100µH
C869
47/6.3
TP405
IC820
2.5V REGULATOR
62FP2502
C820
1
R803
100K
R465
100K
R426
22K
IC200
2.0V REGULATOR
62FP2002
C200
1
R202
33
IC702
4.5V REGULATOR
62GR4522
5
4 3
2
1
L822
10µH
R823
100K
R828
220K
C825
4P(CH)
R829
33K
6
5
4
3
2
1
R827
300K
R826
10K
R821
100K
C830
1000P
R832
10M
C822
56P(CH)
D821
EC30LA02
C821
220/4
C810
0.33
R811
180K
R810
180K
TP811
TP414
C202
47/6.3
TP212
04
4
7
TP204
TP400
TP412
TP202
TP207
SW402
HOLD
TP610
C600
22/6.3
L600
2.2µH
TP417
TP416
TP406
R406
100K
R405
10K
TP205
R222
1M
XL201
33.868MHz
C211
5P(CH)
C212
5P(CH)
CK207
L209
100mA
L203
100mA
R207
680
L204
100mA
TP203
CK224
CK222
C401
0.1
XL401
4.19MHz
R425
22K
R424
22K
R423
22K
R408
100K
R407
10K
TP404
TP403
TP415
TP402
TP401
TP206
C207
0.1
C203
0.1
R204
1K
TP209
TP210
CK201
CK202
CK203
CK206
CK205
CK204
R206
270K
C205
0.1
R205
330K
IC401
SYSTEM
MICROCOMPUTER
IX0298AWZZ
1
00
1
C100
10/6.3
L100
10µH
IC201
ENCODE/
DECODE/SERVO
ATRAC
LR37811
1
00
76
10
9
8
7
6
5
4 3 2 1
TP201
TP208
C201
1
TP200
VCCVG
DSPRST
DSPSTB
DSPSCK
DSPDAT
DSPRST
VCC4.5
RPLAY
RESET
PBMUTE
BEEP
RCAULT
AUSCLK
AUDATA
PBAULT
INPGCK
INPGIN
MCPGIN
ELON
RKEY
RDATA
EMPH0
RPLAY
PCNT1
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYWR
SYRD
SYRS
SYD7
DSPDAT
DSPSTB
DSPSCK
CIN
HKEY2
HREC
HSTOP
HPLAY
HKEY1
M
VCCRF
VCC2.5
VCC2.7X
BATON
BATINCK
PCNT2
TEMP
PLVDCI
PLVDRY
RESET
BATINCK
BATON
RCPCNT
ELON
PCNT2
DINT
AUDATA
PBAULT
HREC
HPLAY
HSTOP
VCC2.7
PCNT1
PLVDCI
PLVDRY
BCLK
LRCK
DAPON
ADPON
DIN
DFCK
ADDATA
OPTCNT
EMPH1
DADATA
DCNT1
DISCPR
SPIN
X176KO
RKEY
EFMO
INNSW
PDCNT
HDON
LDVAR
RFLAT
OPICGA
LDON
INPGCK
INPGIN
MCPGIN
EMPH0
PBMUTE
BEEP
AUSCLK
RCAULT
RCPCNT
HKEY2
HKEY1
VCCENDEC
VCCDRAM
SENSE
FOK
XRT
LDCNT1
LDCNT2
Y
RS
Y
RD
Y
WR
Y
D7
Y
D6
Y
D5
Y
D4
Y
D3
Y
D2
Y
D1
Y
D0
N
T
N
N
SE
O
K
SPDRR
SPDRF
SLDRR
SLDRF
TRDRR
TRDRF
FODRR
FODRF
R
T
_LCDRST
OPEN
DCNT1M
NIHEXT
BAT0FF
CHGCNT
PLVGIN
PLVON
SCKO
P32
CHGON
_DCEXT
I/O1
I/O2
WE
RAS
A9
A0
A1
A2
A3
VCC
A5
A6
A7
A8
OE
CAS
I/O3
I/O4
GND
_ARQK
_ELON
SPWDS
PCNT1
EAIN+
DB
EAIN-
VREF
GND
EAOUT
PCNT2
JPNP
VDD
VSS
VSS
EXTAL
VCC
_STBY
_NMI
MD2
WDTOVF
MD1
MD0
BUZOUT
VSS
RCPCNT
VSS
VSS
EEPD
VSS
VDD
OUT
PCNT1
PBOPON
RCLAT
PBLAT
RADAT
RACLK
RFLAT
OPICGA
RMDAT
PLVBAT
PLVDCI
MCMON
EFMO
TCRS
RAA3
RAA2
RAA1
RAA0
RAA4
RAA5
RAA6
RAA7
RAA8
RAOEX
RACASX
RAD2
RAD3
VDD2
DGND
RAA9
RARASX
RAWEX
RAD1
RAD0
VDD1
DGND
AVCC
EFMI
DGND
VDD1
VDD1
DGND
BIN
EIN
FIN
AIN
AGND
TCG
SPDRR
SPDRF
SLDRR
SLDRF
TRDRR
TRDRF
X176KO
TEST2
FODRF
FODRR
TEST0
TEST1
WBI
VBAT
SYRDX
SYWRX
SYSD7
SYSD6
SYSD5
SYSD4
SYSD3
SYSD2
SYSD1
SYSD0
RSTX
DINTX
MCCK
COUT
SENSE
FOK
SFSY
SBSY
SBO
SBCK
TEMON
TOTMON
X700KO
LDCNT2
EMPH1
OPTCNT
DAPON
ADPON
VXI
VPD
X1I
X1O
DIN
DOUT
VDD3
DGND
LRCK
BCLK
DFCK
ADDATA
DADATA
FEMON
SYRS
PLCK
ACRCER
RAA10
LDCNT1
EFMMON
CKSTP
PDCNT
INPGCK
_INPGI
_MCPGI
TEST1
TEST0
_KHOLD
_STOP
_REC
_PLAY
_RPLAY
DSPSCK
DSPDAT
DSPSTB
HDON
DISCPR
_EJSW
_ARQD
PRTCT
GND
DO
DI
SK
CS VCC
NC
RKEY
AVCC
_FOK
SENSE
_DINT
CIN
SPIN
_RESET
VCC
XTAL
EMPH0
INNSW
VSS
LDON
SYRS
_SYRD
_SYWR
SYD7
SYD6
SYD5
SYD4
SYD3
SYD2
SYD1
SYD0
_XRST
EEPK
_EPCS
AVSS
Vref
LDVAR
TEMP
HKEY2
HKEY1
ELON
RDATA
RPLAY
RKEY
PBMUTE
AUDATA
PBAULT
BEEP
RCAULT
AUSCLK
RESET
MCPGIN
INPGCK
INPGIN
EMPH0
AUDIO
PWB-A2
GND
P-M
O
ENT
E
DISP
VOL
VOL
BAS
S
EDIT
REC
SKIP
SKIP
STO
P
PLA
Y
+B
1
11
9
+B
+B
12
2
3
1
2
3
1
1
2
3
4
5
6
7
8
+B
+B
+B
+B
+B
+B
+B
+B
+B
33 33
1
1
FLAT CABLE
(243)
1
+B
+B
9
8
7
6
5
4
3
2
1
IC80
2
OVE
R
CON
N
CIR
C
IC402
IC702
IC808
I
C
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
99
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
70
71 72 73 74 75
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
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 70
71 72 73 74 75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
11
A4
12
13
14
15
16
17
18
19
20
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
11
12
13
14
9
8
7
6
5
4
3
2
1
11
12
13
14