Read Sharp XL-T300 (serv.man14) Service Manual online
– 31 –
XL-T300H
7
8
9
10
11
12
Figure 31 SCHEMATIC DIAGRAM (8/10)
A3.3V
1.6V
3.3V
5.2V
0V
1.2V
0V
0V
0V
1.6V
3.3V
0.7V
1.6V
1.6V
0.6V
1.6V
1.6V
1.6V
3.2V
1.6V
1.6V
1.6V
1.6V
1.6V
1.0V
0V
0V
0V
0V
3.3V
3.3V
3.3V
1.6V
1.6V
1.5V
1.5V
0V
5V
5V
5V
5V
5V
5V
4.5V
3.3V
1.6V
0V
5V
5V
5.2V
3.3V
2.6V
0V
3.3V
0V
1.2V
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
7
5
8
4
6
3
2
1
10
9
8
7
6
5
4
3
2
1
1
2
3
18
TMAX
LPFN
LPFO
PVREF
VCOF
VCOF
AVSS
SLCO
RFI
AVDD
RFCT
RFZI
RFRP
FEI
SBAD
TEI
TEZI
(CH)
BCK
LRCK
AUTO
DOUT
DOUT
GND
PDO
PVDO
SBSY
SFSY
DATA
CLCK
SBOK
DVSS
DVDD
IPF
+B
VDD
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
FOO
TRO
VREF
RFGC
TEBC
SEL
AVDD
FMO
DMO
DVSS
DVDD
TESIN
XVSS
XI
XO
XVDD
DVSS
RO
DVDD
DVR
LO
DVSS
ZDET
µ
-COM
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
TEO
VREF
RFGO
0V
+B
+B
(CH)
SERVO/SIGNAL
CONTROL
RST
CD_6.8V
VSS
HSO
M_GND
CD_GND
CD+B
CD_12V
CD_L
A_GND
CD_R
GVSW
PU_IN
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
CD_RES
CD_STB
CNW704
P27 12-D
FROM
DISPLAY PWB-B1
CNW804
P28 2-C
FROM
TERMINAL PWB-A2
P29 8-H
TO
MAIN PWB-A1(1/3)
P28 1-F
TO
MAIN PWB-A1(1/3)
CD SIGNAL
1
1
2
2
3
3
(CH)
(CH)
100mA
(CH)
(CH)
(CH)
33K
7K
10K
100
10K
22P
8.2K
0.1
0.1
100/10
100/10
47/10
0.1
47P
47K
0.015
15K
150K
5.6K
0.0027
0.01
10K
0.033
0.047
470P
470P
0.033
4.7K
0.047
0.047
TC94A14F
10/10
100/10
10/10
15P
1M
12P
100/10
0.022
0.047
0.047
47/10
0.1
0.0068
2.2
µ
H
2.2
µ
H
0.022
100/10
0.022
DZ5.1BSB
100
390K
1N4148
47/10
10K
1N4148
0.022
100/10
0.022
0.022
KRC107 M
0.022
0.0015
100/10
DZ3.9BSB
100/10
KRA102 M
100
820
KTC3199 GR
10K
470P
470P
1.8K
1.8K
10K
1N4148
1N4148
1N4148
1N4148
1K
1K
1K
1K
1K
47/10
0.022
100
10mA
10K
10K
10K
10K
10K
1K
1K
100K
10P
100P
1K
0.1
0.01
16.93MHz
10
100mA
R819
17
R820
R816
R818
C817
R821
C818
C823
C822
C819
C825
C824
C835
R833
R829
C831
R828
R832
C833
C828
R827
C829
C826
C827
C830
C836
R831
C837
C843
IC801
C853
C856
C854
L852
L851
C852
X801
R840
C855
C846
C849
C834
C838
C839
C841
C814
L801
L802
C816
C820
C821
ZD801
R826
R835
D801
C850
R837
D802
C872
C857
C859
C858
Q805
C870
C891
C869
ZD802
C868
Q804A
R864
R865
Q803
R861
C861
C862
R858
R857
R862
D806
D805
D803
D804
R854
R853
R852
R851
R850
C851
C848
R839
L853
R859
R843
R842
R841
R844
R849
R848
CNP704
CNP804
R846
C847
C844
R855
C860
C832
R863
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