Sharp GX20 Service Manual page 108

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MAIN PWB-A (2/3)
11
12
A
13
14
15
16
NC
17
NC
18
19
20
G
B
5-18 (4-G)
G
G
G
G
5-18 (5-H)
G
G
5-18 (3-C)
G
5-18 (4-D)
G
5-18 (3-C)
G
G
C
G
5-18 (4-C)
G
G
G
5-18 (3-G)
G
5-18 (4-G)
TCXOOUT
5-18 (4-F)
G
5-18 (3-F)
D
5-9 (8-F)
G
5-9 (9-F)
G
5-18 (4-G)
5-18 (4-F)
5-18 (4-D)
E
5-10 (2-E)
5-14 (6-F)
F
5-19 (8-A)
G
ADC_MTC
BATT_SENSE
G
G
MVBAT
G
5-19 (11-C)
G
ADIN_B
5-18 (3-E)
H
NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1.
1
CONFIDENTIAL
BS2
5-19 (10-C)
BS0
2.45V
BS1
SYNTHDATA
SYNTHEN
SYNTHCLK
ITXP
ITXN
QTXP
QTXN
IRXP
IRXN
QRXP
QRXN
AFCDAC
RAMPDAC
5-18 (4-F)
C101
MIC_INP_R
47P(CH)
G
MIC_INN_R
G
TP167
L103
FERRITE BEADS
RECIVER_OUTP_REC
RECIVER_OUTN_REC
L104
FERRITE BEADS
TP168
D105
RSB6.8S
G
JAKMIC
G
JAKEAR
G
JAKDET
C199
0.1
3.0V
VINT
1
IN(+)
Vdd
2
Vss
Out
3
IN(-)
IC107
TC75S55E
ORE ANP.
5-18 (4-C)
5-19 (11-B)
2
3
TCK
TMS
TDI
TDO
VANA
Q101
R106
EMD9
470
2.46V
0V
4
3
0V
5
2
2.44V
0V
6
1
C102
C182
47P(CH)
C183
47P
47P(CH)
(CH)
D106
RSB6.8S
TP106
C104
TP107
10
VAMP
5-19 (10-G)
C105
4.7
3.0V
VINT
C107
0.1
5
4
L102
FERRITE
BEADS
NC
ADC_MTC
4
VANA_AD6521
RECIVER_OUTP
RECIVER_OUTN
C110
C124
R116
0.0022
10K
0.1
R115
R118
10K
C125
0.1
10K
C115
5
4
Vout1
-Vin
1
6
3
V+
+Vin
C112
Vref
7
GND
2
47P(CH)
CD
8
Vout2
1
C123
IC101
1
NJM2149R
SPEAKER AMP.
5
IT
IT
Q
Q
IR
IR
Q
Q
AF
R
C
0.
R110
L107
3.3K
FER
C116
47P(CH)
L108
C114
FER
47P
BEA
(CH)
L105
FERRITE BEAD
L106
FERRITE
BEADS
C113
C11
0.001
33P
BAT
R149
470
3
V
2
G
1
N
NC
IC
LM
TE
SE
6

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