Sharp MD-R2H Service Manual page 35

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R1211
C1208
220
0.047
TP1275
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
EFMMON
2
AVCC
78 77 76
3
EFMI
99 98
100
13 14
4
AGND
5
AIN
6
EIN
7
TCG
8
BIN
9
FIN
VBAT
10
11
WBI
IC1201
12
VDD1
13
DGND
LR37648A
ENDEC
14
TEST0
15
TEST1
16
TEST2
17
X176KO
18
FODRF
0K
19
FODRR
0K
20
TRDRF
0K
21
TRDRR
K
22
SLDRF
K
48 49 50
23
SLDRR
K
26 27 28
24
SPDRF
SPDRR
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
TP1215
9
8
7
6
5
4
3
2
C1206
10
1
IC1202
IX2474AF
4M BIT-D-RAM
11
12
13
14
15
16
17
18
19
A4
A5
A6
A7
A8
VREF3.2V
R1423
10K
R1418
47K
8 87 86 85 84 83 82 81
XRST
XRST
80
DIGCD
79
DIGEX
78
82 81
DFS1
77
DFS0
76
DAPON
75
ADPON
74
A/B
73
R1477
LDON
72
LDON
10K
PCNT1
71
TP1416
PCNT0
70
69
68
L3CLK
67
COMPUTER
L3MODE
66
R1475
C1406
L3DATA
65
1
1K
GND
64
µCON 3.2V
63
R1476
VCC
62
1K
EEPK
EEPK
61
EEPD
EEPD
60
EPCS
EPCS
59
R1474
PRO
EEPRO
58
1K
57
Q1820
2SA1162G
56
55
SYD0
SYSD0
54
SYD1
49 50
SYSD1
53
SYD2
SYSD2
52
Q1821
SYD3
RNC1407
SYSD3
51
3
2
1
3 44 45 46 47 48 49 50
Q1822
2
RNC1407
1
3
IC1402
S29294A
5
4
DI
SK
6
DATA
3
6
CS
K
R1473
7
VCC
2
GND
100K
C1405
8
1
PRTCT
0.1
2
E
-PROM
The numbers
1
to
23
7
6
7
TP1210
9
TP1216
FEMON
75
DADATA
74
RC120
ADDATA
73
220
DFCK
72
BCLK
71
C1207
LRCK
70
1
23
22
DGND
69
18
R1254
VDD3
68
220
DOUT
67
19
DIN
66
R1202
XO
65
21
1M
C1203
XI
64
1
R1201
DGND
63
150
20
XL1201
VDD1
62
C0001AW
C1205
VPD
61
C1204
17
12P
12P(CH)
VXI
(CH)
60
CDBCLK
59
AND GATE
CDLRCK
58
IC1906
CDDATA
57
TC7ST08F
R1269
TEST4
56
00
TP1273
TEST3
1
55
TP1279
TESO1
54
2
R1263
EXPORT1
3
GND
53
R1261
10K
10K
EXPORT0
52
R1266
X700KO
51
10K
8
CLOCK GENERATOR
C1954
15P
R1963
1
(CH)
1.5K
TP1214
R1221
2
220
R1962
3
VDDA
220K
4
AMPI
5
AMPO
6
VSSA
C1952
0.01
7
XI
8
NC
1
1
Vcc
14
2
13
3
12
4
11
20
5
10
6
9
C1990
7
GND
8
1
IC1990
74AC04FS
L1203
4.7µH
INVERTER
BACKUP
Q1807
2SA1314C
VREF3.2V
TP1802
R1821
R1820
C1807
1
1
220/4
R1827
R1809
R1808
270
27K
390
4
3
2
5
1
IC1801
XC62EP32
REGULATOR
Q1801
2SA1314C
TP1801
R1804
220K
R1805
R1802
100K
270
PCNT0
3
2
2
Q1803
RN1406
1
1
are waveform numbers shown in page 44, 45.
8
Figure 35 SCHEMATIC DIAGRAM (6/6)
DADATA
ADDATA
DFCK
BCLK
LRCK
AND GATE
IC1916
74VHC08F
TP1911
8
9
C1951
Vcc
5
10
0.047
11
4
12
13
14
Vcc
R1967
R1969
47
56
C1958
C1927
0.047
0.047
C1957
REF
VDD
16
100/6.3
LOCK
PD
15
S2
14
S1
13
M2
12
M1
11
CKO
10
R1968
VSS
9
220
IC1907
TC9246F
C1992
0.1
D1990
1SS372
C1991
10
BACKUP
C1801
2.2
P.GND
3
Q1802
RN1406
9
10
– 35 –
R1927
CNP1904
22
DOUTO
TP1901
GND
7
1
DIGOUT
1
TP1902
6
2
GND
2
5
3
3
GND
TP1904
4
4
DIGIN
4
R1974
3
220
CNS1904
2
R1973
1
6.8K
R1947
R1939
1K
R1456
1K
LOADIN
Q1451
RESET
RNC1407
2
3
1
STID
DSCK
SERCH
KDATA
MDDATA
DSTB
R1463
10K
L1950
1µH
C1917
LR190
22
68P
DFCK
AD
LRCK
TP1520
BCLK
DADATA
R1994
47
R1759
1K
R1708
C1724
R1733
6.8K
1K
22P
AA.GND
R1758
1K
11
MD-R2H
1
TO MAIN PWB
2
CNP301
3
P30 3 - H
4
47
PDOWN
CN1902
1
CNS471
1
PDOWN
TP1502
TO MAIN PWB
2
BACKUP
TP1503
P30 4 - H
R1452
3
LOAD SW
3.3K
TP1504
4
RESET
TP1505
R1454 1K
5
MD-ST
R1458 6.8K
TP1506
6
DSCK
R1460 6.8K
TP1507
SERCH
7
R1462 6.8K
TP1508
8
KDATA
R1464 220
TP1509
9
MDDATA
R1466 220
TP1510
DSTB
10
TP1511
11
D.GND
C1425
TP1512
D.GND
0.047
12
D.GND
13
D.GND
D.GND
14
TP1515
15
DVDD
JC196
DVDD
16
TP1516
SYSCLK
17
TP1517
TP1518
ADDATA
18
TP1519
LRCLK
19
BLCK
20
TP1521
21
DADATA
TP1522
DFS1
22
TP1523
23
DFS0
TP1524
24
MUTE
JC171
24
22P
12

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