Sharp MD-MS701H Service Manual page 31

P30 P31 P32
R203
100
XL201
33.8688MHz
75 74 73 72 71 70 69 68 67 66 65 64 63
TP209
76
TP210
77
TP211
78
CK201
SBO
79
CK202
SBSY 76 TOTMON
80
CK203
SFSY 77 TEMON
81
FOK CK204
FOK SBCK
78
82
SENSE
SENSE
83
CK205
CIN
COUT
84
MCCK CK206
MCCK
85
DINT
DINTX
86
C203
VDD1
87
0.1 IC201
DGND
88
XRT
RSTX
LR37648B
89
SYD0 R204
SYSD0
90
SYD1 1K
97 SYSD7
SYSD1
91
SYD2 SYWRX
98
SYSD2
92
SYD3
99 SYRDX
SYSD3
93
SYD4
100 SYRS
SYSD4
94
SYD5
SYSD5
95
SYD6
SYSD6
96
SYD7
97
SYWR
98
SYRD
99
SYRS
100
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
TP206
TP201
C205
0.1
R206
220K
MCCK
C442
680P
R442
100K
4 3 2 1
R444
2.7K
5 6 7 8
C443 C441
0.47/10 10P(CH)
26
27
RKEY
28
HKEY1
R403
29
HKEY2
22K
R406 30
TEMP
100K
31
32
R404 150K
SW401
33
LDVAR
EJECT
34
TP401
35
36
SYWR
37
SYRD
NC
38
SYRS
SW402
39
HOLD RKEY
40
41
CLOCK
42
HSTOP
R407 43
BEEP
10K
44
DSPSTB
45
TP403
DSPDAT
46
DSPSCK
47
SYD0
48
SYD1
49
SYD2
50
SYD3
SYD4
SYD5
SYD6
SYD7
RPLAY
LDON
OPICGA
RFLAT
1
VCC
2
3
GND
IC404
7SH00FU
C651
TP610
1
NAND GATE
5 4 3 2 1
C604
IC651
/6.3
LB1638M
6 7 8 9 10
MOTOR DRIVE
The numbers 1 to
7
C211
5P(CH)
TP205
62 61 60 59 58 57 56 55 54 53 52 51
50
49 TP204
48 TP203
TCRS 47
50
EFMO RAD0
46
TP202
PLCK 49
RAD1 45
ACRCER 48 RAWEX
44
RARASX 43
RAA9
42
RAD3 41
RAD2
40
RACASX 39
DGND
38
RAOEX
37
RAA8 36
RAA7
35
RAA1 28
RAA6 34
RAA2 27
RAA5 33
RAA3
26
RAA4 32
VDD2 31
RAA10 30
RAA0 29
28
27
26
C201
1
D201
1SS369
L100
10µH
D431
1SS361
R426
100K
C431
R431
0.047
330K
R402
10K
9 8 7 6 5 4 3
25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
PLVDCI PDCNT
PLVDRY
DISCPR
RKEY
INNSW
HKEY1
DISCIN
5 4 3 2 1
25 24 23 22
HKEY2
CKSTP
TEMP
PCNT2
CNTRY
AVSS PCNT1
LDVAR
PHOLD
MDOUT
IC401
AVREF1 ELON
SYWR
IX2680AF
SYRD PSLDRY
SYRS
PSLDCI
PSLINN
RMDAT
TEST1
TEST0
HSTOP
BEEP
DSPSTB
51 52 53 54 70 71 72 73 74 75
DSPDAT
EPCS
DSPSCK
EEPK RTCCK
SYD0
EEPD RTCDT
SYD1
RTCWR
SYD2
RTCCE
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
5
4
L651
0.47µH
18 are waveform numbers shown in page 39.
8
Figure 31 SCHEMATIC DIAGRAM (2/4)
DADATA
ADDATA
DFCK
BCLK
LRCK
DIN
ADPON
DAPON
OPTCNT
EMPH1
1 I/O1
GND 20
2 I/O2 I/O4 19
3 WE
I/O3 18
4 RAS CAS
17
5 A9
OE 16
A0 A8
6
15
A1 A7
7 14
A2 A6
8
13
A3 A5
9
12
VCC A4
10 11
4M D-RAM
C202
10/6.3
L202
10µH
IC431
S80821LN
1 4
OUT
VSS
2 NC 3
VDD
2 1
R420
PDCNT
100
1K DISCPR
99
INNSW
98
DISCIN
97
R419
96
PCNT2 1K TP412
95
94
VPP
PCNT1
93
C401
PHOLD
92
0.1
91
CIN
TP406
90
89
PSLDRY
88
PSLDCI
87
R411 PSLINN
86
100K
TP405
85
R413
TP407
84 1K
1 8
CS VCC
TP404
83
TP408
R414
2
SPIN 82 7
SK
1K
TP411
VDD 81 R412
3 DO PRTCT 6
10K
80
79 4 DI GND 5
TP409
78
IC402
R415
77 S29L294A
1K
76
HREC
HPLAY
RCPCNT
9 10
– 31 –
MD-MS701H/MS702H
HKEY2
HREC
HSTOP
HPLAY
HKEY1
DSPSTB
DSPSCK
DSPDAT
JACK PWB-A2
4.7µH
33
MCPGIN TP793 TP593
33
INPGIN TP792 TP592
32
INPGCK TP591
TP791
31
TP790 TP590
30
TP789
29
TP588
28
TP787
27
TP586
26
OPTCNT
TP785 TP585
25
DIN
TP584
TP784
24
TP783
23 TP582
22
RCLAT TP781 TP581
21
RADAT TP580
TP780
20
TP579
RACLK TP779
19
PBLAT TP578
TP778
18
BEEP TP577
TP777
17
PBOPON TP776 TP576
16
TP575
TP775
15
ADPON TP774 TP574
14
DAPON TP573
TP773
13
DFCK TP772 TP572
12
LRCK TP571
TP771
11
TP570
BCLK TP770
10
ADDATA TP569
TP769
9
DADATA TP568
TP768
8
EMPH1 TP767 TP567
7
EMPH0 TP566
TP766
6
TP765 TP565
5
TP764 TP564
4
TP763 TP563
3
RKEY
TP562
TP762
2
RPLAY TP561
TP761
1
1
Q401
2SA17457
R400
3.9K
CLOCK
L862 L863
47 4.7
C865
C869
C864
1/10
33/6.3 33/6.3
L171
10
C810
0.33/10
TP810
R810
180K
11
TP451
TP452
TP453
R455 R456 R457
TP454
5.6K 8.2K 18K
R458
TP455
56K TP456
TP457
TP458
TP459
TP460
TP461
TP462
TP463
TP464
R451 R452 R453 R454
CN4
5.6K 8.2K 18K 56K
R481 C481 TP487
36K 0.1 TP486
TP485
TP484
R482 TP483
18K
TP482
TP481
CN4
L772
9 8 7
12 11 10
13 14 15 16 17 18
MCPGIN
INPGIN C507
10/6.3
INPGCK
R500
VCCMIC
4.7
VCC2.8
VCC2.8X
OPTCNT
DIN
C774
C
RCAULT
1
0
AUDATA
AUSCLK
PBAULT
BEEP
PBMUTE
RESET
PWAD
PWDA
MCLK
LRCK
SCLK
STDO
STDI
DEM1
DEM0
RKEY
RPLAY
RMDAT
PO
1
V
D
R861 2
3 2 1 R841
100K
100K
3
E
R846
10K E
4
C842
R843
22P(CH)
D862
4 5
100K E
5
RB521S30
R848
220K
6
C866
G
C863
1/10
1/10
C
1
D861
RB491D
P
1
V
C830
0.001
D
2
R826
10K
3
E
PCNT1
C822 E
4
39P
R823
R811
(CH)
100K E
180K
5
R828
270K
6
G
C825
68P
D831 C
(CH)
TP811
1SS372
C831
C832
0.1
0.1
C821
220/4
12