Sharp MD-MS200W Service Manual page 29

P28 P29 P30
R144
220
26
068
C125
54
0.0068
53
52
51
50
49
48
C122
47 1
C121
46 1
C120
C119
45
0.0033 330P
44
CK104
43
C118
42
330P
CK103 CK102
41
40
39
CK101
38 C160
390P
37
R134
10K
R133
150K
TP144
TP143
C100
1
TP100
L100
0.47µH
R161
C165
PBGAIN
1.2K
0.033
IC402
S29294A
1 8
NC
PRTCT R404
TP433
TP432 100K
2 GND 7
VCC
P434
3 DO 6
CS
5
R405
4 DI 5
SK
100K
TP436
R413
1K
R406
100K
R415
1K
6
43B
TP471
NC
18
NC 3.3V
17
R471
NC 16 470
NC 25 24 23 22 21 20 19 18
15
BAT401
VDD
14
HOLD
26
XRT
NC 13
TP472
27
XRT
CLK 12 PBGAIN
PBGAIN
28
ATA SYSD0
11
29 SYSD0
R472 R473
SYSD1
OUT 10
2.2K 12K SYSD1
30
SYSD2
SYSD2
31
TP473 SYSD3
32 SYSD3
SYSD4
SYSD4
33
SYSD5
SYSD5
34
SYSD6
SYSD6
35
SYSD7
SYSD7
36
SYWRX
SYWRX
37
SYRDX
SYRDX
38
SYCS
SYCS
39
TP439
SWPUP
40
TEST0
41
TEST1
42
R438
VSS
43
10K
P56
44
R444
45 MODE1
1K
TP440
DISCID
46
R443
DISCPRO
47
1K
48 INNSW
R442
EJECT
49
1K
DISCIN
50
51 52 53 54 55
R435
33K
R441
1K
R445
10K
SW401
TP442
EJECT
TP441
R423
10K R433
SW402 100K
HOLD
R424
100K
MICOM 2.8V
The numbers 1 to
7
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
LKMADX
1
2 VDD1
3 DGND
WBI
4
TCRS
5
100 99 98 97
6 AUX
TE
7
FE
8
9 TOTAL
AGAIN
10
AGAINS
11
IC201
12 AVCC
AGND
13 LR37646
BGAINS
14
C204
15 BGAIN
0.1
FGAIN
16
FGAINS
17
EGAINS
18
EGAIN
19
TBAL
20
26 27 28
TCGAIN
21
VREF
22
R140
EFMI
23
47K
ASYX
24
ASY
25
R139
47K 26 27 28 29 30 31 32 33 34 35 36
CK105
XRT
IC404
7SH00FU
1 VCC 5
2
3 4
GND
D401
DA221
R428
DA221
15K
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
RKEY
100
MODE0 99
BATEXT 98
97
BATINN
25 24 23 AVREF0 96
3 2 1
95
AVDD
NC 94
NC 93
FOK 92
91
SENSE
IC401
DINT 90
IX2596AF
SPIN 89
CIN 88
RESET 87
XT1 86
XT2 85
VDD 84
X1 83
X2 82
IC
81
51 52 53 73 74 75
AUSCLK
AUSCLK 80
AUDATA
AUDATA 79
RCAULT
RCAULT
78
PBAULT
PBAULT 77
PBMUTE
PBMUTE 76
56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75
TP465
C408
0.01
19 are waveform numbers shown in page 36.
8
Figure 29 SCHEMATIC DIAGRAM (2/4)
MD-MS200W/MD-MS200/MD-MS200H
EX7 75
EX6 74
EX5 73
EX4 72
EX3 71
78 77 76
EMPH1
70
EX1 69
ACRCER 68
DOUT 67
DIN 66
X1O 65
X1I
64
DGND
63
VDD1 62
TP209
X700KO 61
EFMO
60
SPDRR
59
SPDRF
SPDRF 58
SLDRR
SLDRR
57
SLDRF
SLDRF
56
TRDRR
48 49 50
TRDRR 55
TRDRF
TRDRF
54
FODRR
FODRR
53
FODRF
FODRF 52
X176K
X176KO 51
37 38 39 40 41 42 43 44 45 46 47 48 49 50
L201
TP201
0.47µH
C201
TP203
1
TP205
TP202
R416
12K
4 3 2 1
5 6 7 8
C405
10P
C407
1
MD-MS200W:39K
MD-MS200H:68K
MD-MS200:150K
R448
39K
FOK
SENSE
DINT
CK489
CIN
R402
1K
D402
DAN222
R401
IC405
330K
1 61AC2102
C401 3
0.047
2
MICOM 2.8V
9 10
– 29 –
C206
0.18
TP204
TP200
TP210 C211
5P
XL201
33.868MHz
C212
5P
TP206
RAD0
1 I/O1 GND 20
RAD1 RAD3
2 I/O2
I/O4 19
RAWEX RAD2
WE
3 I/O3 18
RARASX RACASX
4 RAS CAS 17
RAOEX
RAA9
5 A9 OE
16
RAA8
RAA0
A8
6 A0 15
RAA1 RAA7
A7
7 A1 14
RAA6
RAA2
8 A6 13
A2
RAA5
RAA3
A5
9 A3 12
RAA4
VCC A4
10 11
IC202
IX2567AF
L721
C730
0.47µH
10/6.3
3 2 1
4 5
C728
C866
0.1
L862 1
47
L863
C863
4.7
1
D861
C865 SB10015C
1
1 VCC 5
2
X700K
3 GND 4
IC802
TC7S00FU
Q804
2SA1745
C811
0.33
R812
10K
11
HEAD DRIVE P
7 6 5 4 3 2 1
8 9 10 11 12 13 14
TP211
1 1
TP212
2 2
TP213
3 3
TP214
4 4
TP215
5 5
6 6
R501
2.2K
R
2
14 13 12 11 10 9 8 7 6 5 4 3 2
15 16 17 18 19 20 21 22 23 24 25 26 27
R500
4.7
(RF GND)
L5
4.7
IC841
IR3M09N
R849
OSCIN
1
VREF
30K
OSC
OUT
DB
2
C850
R841
0.001 R846
100K
10K
3
EAIN+ ROSC
PWM
EAIN–
4
STATE
C842
R843
C841 27P
100K
EAOUT
TP808 5
VCC
R848
270K
AUDIO 3.1V
OUT
6
GND
C846
R847 L8
3
1
390K 4
C867 D841 C
1 2
C847
SB10015C
220/4
3.3
L842
IC861
10
62FP2802
Q84
C861
LM
1
IC806
62FP3302
IC8
C812
C809
1
0.18 62F
10/6.3
C813
1
3
1
2 3
MICOM 2.8V
2
IC82
TP807 IR3M
PCNT1
R829
R821
1
VREF
R810
470K 470K
200K
R822
DB
2
680K
R811
R813
180K
3
EAIN+
R823
R826
10K 3.3M
EAIN–
4
EAOUT
5
LASER 2.5V
R828
C822
330K
2P
L822
6
C827
4.7µH GND
220/4
R827 IC
470K
LM
C826 1
2.5V
3.3
2
3
12