Sharp MD-MT15S Service Manual page 15

P15 P16
P14
L203
100mA
C209
22P(CH)
C211
5P(CH)
1
XL201
33.868MHz
04
11
47
FEMON 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
TP209
76 TOTMON
TP210
77 TEMON
78 SBCK
CK201
79
SBO
CK202
80 SBSY
CK203
81
SFSY
OK
CK204
82 FOK
NSE CK205
83
SENSE
N
IC201
84 COUT
CK206
85
MCCK
NT
ENCODE/
86 DINTX
C203
87
VDD1
0.1
DECODE/SERVO
88 DGND
RT
89
RSTX
ATRAC
R204
YD0
90 SYSD0
1K
YD1
91 SYSD1
LR37811
YD2
92
SYSD2
YD3
93 SYSD3
YD4
94
SYSD4
YD5
95 SYSD5
YD6
96
SYSD6
YD7
97 SYSD7
99 SYRDX
YWR SYWRX
98
YRD
99
YRS
1 00
7
1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
9
TP201
TP206
C205
0.1
R206
270K
VCCRF
L100
10 H
R205
330K
+B
25 24 23
SYD2
26
SYD3
27 SYD4
28 SYD5
29 SYD6
30 SYD7
31 VSS
RCAULT
32 RCLAT
MCPGIN
33 _MCPGI
INPGIN
34 _INPGI
INPGCK
35
INPGCK
RCPCNT
36 RCPCNT
37
TP416 TEST1
TP417 38 TEST0
39
JPNP
40 VCC
R422
41
100K
DSPRST
42 _LCDRST
PBAULT
43 PBLAT
LDON
44 LDON
OPICGA
45 OPICGA
RFLAT
46
RFLAT
47 RACLK
48
RADAT
49 VSS
_ELON
50
_REC
PLVGIN 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
SW402
HOLD
L600
TP610
2.2 H
M
+B
7
TP212
TP205
58 57 56 55 54 53 52 51
X700KO
50
EFMO
CK224
PLCK 49
TP203
ACRCER 48
CK222
47
TCRS
46
RAD0
45
RAD1
RAWEX 44
43
RARASX
RAA9 42
41
RAD3
RAD2 40
39
RACASX
DGND 38
RAOEX 37
36
RAA8
RAA7 35
34
RAA6
RAA5 33
32
RAA4
VDD2 31
30
RAA10
RAA0 29
28
RAA1
RAA2 27
RAA3
26
SPDRR
VCCENDEC
12
IC200
2.0V REGULATOR
62FP2002
+B
1
C200
3
1
2
IC402
R411
100K EEPROM
TP407
R413
IC402
1K
S29L294A
1 5
R414 CS VCC
TP408
1K
2 6
SK NC
R412 TP411
R415
3 7
DO
PRTCT
1K
10K
TP410
4 8
DI GND
TP409
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CIN
1 00
HDON
PCNT2 99
VDD 98
_EJSW 97
CKSTP 96
_XRST 95
_FOK 94
SENSE 93
DCNT1M 92
91
NIHEXT
IC401
MCMON 90
89
SYSTEM BAT0FF
VSS 88
MICROCOMPUTER
AVSS 87
LDVAR 86
IX0298AWZZ
CHGCNT 85
HKEY2 84
HKEY1 83
RKEY 82
TEMP 81
80
PLVDCI
PLVBAT 79
Vref
78
AVCC
77
76
TP400
XL401
RPLAY
4.19MHz
R408
IC431
100K
SESET
D431
1SS361
S80820LN
C431
0.47
1 4
OUT VSS
R431
330K
2 3
VDD
D461
RB731U
3
2
1
8
Figure 15 SCHEMATIC DIAGRAM (2/3)
DADATA
ADDATA
DFCK
BCLK
LRCK
DIN
ADPON
DAPON
OPTCNT
EMPH1
1 20
I/O1 GND
2
I/O2 I/O4 19
3 18
WE I/O3
4
RAS CAS 17
5 16
A9 OE
6
A0 A8 15
7 A1 A7 14
8 13
A2 A6
9 A3 A5 12
10 VCC A4 11
VCCDRAM
C202
47/6.3
IC820
2.5V REGULATOR
62FP2502
C820
1
1
3
VCC2.5
2
+B
TP418
R406
PCNT2
100K
TP406
R405
10K
TP405
XRT
FOK
SENSE
BATINCK
TP415
BATON
C401
TP401
0.1
LDVAR
HKEY2
HKEY1
TEMP
PLVDCI
PLVDRY
DINT
4
5
6
9 10
– 15 –
MD-MT15/15C/15H/15W/161E/18H
HREC
HSTOP
R455 R456
HPLAY
5.6K 8.2K
HKEY2
HKEY1
R451 R452 R453
5.6K 8.2K 18K
C482
1
+B
DSPDAT
DSPSCK
DSPSTB
DSPRST
CN701
33 33
1
TP761
2
3
TP763
4
TP764
5
TP765
6
7
TP767
8
TP768
9
TP769
10
TP770
11
+B
TP771
12
13
14
TP774
15
TP775
+B
16
17
TP777
18
TP779
EMPH0
19
TP780
RESET
20
PBMUTE
+B
21
TP782
BEEP
22
RCAULT TP783
+B
23
AUSCLK
24
TP785
AUDATA
25
TP786
PBAULT
26
TP787
INPGCK
27
TP788
INPGIN
28
TP789
MCPGIN
29
TP790
RKEY
30
TP791
RPLAY 31
TP792
RDATA
32
TP793
ELON
33
1 1
Q461
2SC4738 GR
R465
100K
L862
100 H
D861
EP10LA03
VCC2.7X
R803 IC808
100K
1
2
3
IC808 CHARGING CIRCUIT
HN1C01FU
R810
180K
+B
+B
VCC2.7
VCCVG
1
5
IC702
2
3 4
C866
1
IC702
4.5V REGULATOR
62GR4522
11
TP451 EDIT
1
1
TP452 DISP
2
2
TP453 SKIP
3
3
TP454
SKIP
4
4
TP455 REC
5 5
TP456
P-MO
6
6
TP457
STOP
7
7
TP458
VOL
8
8
R457 TP459
PLAY
9
9
18K TP460
R458
BASS
11
11
56K
TP461
VOL
12
12
TP462 ENTE
13
13
TP463
GND
14
14
CN451
C481
1
TP481
1 1
TP482
2 2
TP483
3 3
4
4
5 5
TP486
6
6
TP487
7 7
TP488
8
8
TP489
9 9
CN482
CN702
TP093
33
TP092
32
TP091
31
TP090
30
TP089
29
TP088
TP088B
28
TP087 TP087B
27
TP086
TP086B
26
TP085
25
TP084
24
TP083
23
TP082
22
21
20
TP080
19
TP079
18
TP077 TP078
17
TP076
16
TP075
EMPH0
15 1
TP074
RESET
14
TP073 PBMUTE
13
TP072
BEEP
12
TP071
RCAULT
11
TP070
TP070B
AUSCLK
10
TP069
AUDATA
9
TP068 PBAULT
8
TP067
INPGCK
7
TP066
INPGIN
6
TP065
MCPGIN
5
TP064B RKEY
4
TP064 RPLAY
3 +B
TP063
RDATA
2
TP062
1
TP061
ELON +B
+B
AUDIO
PWB-A2
IC802
OVER
CONN
CIRC
IC
2
R
C863
C851
T
1
150P
R851
(CH) 1
10K
2
3
1
IC
R279 VREF
6 100
DB
2
5
4
R826
3
10K
EAIN+
PCNT1 EAIN-
4
C822
R823
56P(CH)
100K EAOUT
5
R828
220K
6
GND
D821
TP811
EC30LA02
C834
0.1
R833
47
C831
0.1
C832
0.1
12