Sharp FO-90A Service Manual download pdf (Page 45)

FO-90AAR

Modem block 3/6

BDEFG

HCA

BDEFG

HCA

C130

0.01

R101

270

RS4

RS3

RS2

RS1

RS0

READ

WRITE

108

IRQ1

115

RESET

EN85

D[7~0]

(1-3H)

R187

MIRQ

(1-6F)

A[4~0]

MDMRST

(1-1D)

MCS

MAG

121

IRQ2

N.M.

107

RTS

CTS

TXD

DCLK

RXD

RLSD

R141

10K

RESERVED/CSBR

119

R113

270

+5V

SYSCLK

(1-6F)

XCLK

YCLK

CLR

CLK

PRE

L100

HM601

R106

470

L103

HM601

C111

IC2

WT74

L101

HM601

101

102

104

105

109

110

111

R134

470

R135

470

R138

10K

TXMUTE

TELMUTE

DG DG DG DG DG DG

R103

C106

10P

C105

10P

R102

100

122

116

117

1,2,53,103,118,123,124,128

38,39,44,49,59,64,65,74

MAG

C166

0.1

C167

0.1

10/50

MAG

(6-3C)

SPOUT

(6-6E)

TELOUTI

(6-2D)

SIGTX

(6-4E)

SIGRX

C168

0.1

R160

2.2K

R162

MAG

CNDR-1

C147

2200P

R137

470

+5V

R110

100K

120

CNTH-6

RANK

CNLIUA-6

RHS

R115

470

R139

470

+3.3V

L106

HM601

100

112

106

114

125

113

126

+5V

L104

HM601

C127

0.1

+3.3V

R161

47/25

C169

127

C146

+5V

L105

HM601

MAG

MICP-P

MICM-P

MICBIAS-P

SPKRP-P

SPKRM-P

LINEIN-P

LINEOUT-P

VREF-P

VC-P

RESERVED

N.C./MICM-S

N.C./SPKRP-S

N.C./LINEIN-S

N.C./VREF-S

N.C./MICP-S

N.C./MICBIAS-S

N.C./SPKRM-S

N.C./LINEOUT-S

N.C./VC-S

N.C.

XTLO

XTLI

N.C./SOUT-S

SR3IN

SOUT-P

N.C./ICLK-S

ICLK-P

IA1CLK

N.C./SIN-S

SIN-P

SR4OUT

N.C./MCLK-S

IACLK

MCLK-P

N.C./FSYNC-S

SA1CLK

FSYNC-P

N.C./CTRLSIN-S

CTRLSIN-P

SR1IO

EYEXY

EYECLK

EYESYNC

N.C./IARESET-S

IARESET-P

GPO0

W-TONE/GPO1

VOL-C/GPO2

VOL-B/GPO3

VOL-A/GPO4

MONITOR/GPO5

GPO6

GPO7

GPI7

GPI6

GPI5

GPI4

GPI3

GPI2

GPI1

GPI0

VDD1(+3.3VDD)

VDD2(+3.3VDD)

VDD3(+3.3VDD)

VDD4(+3.3VDD)

VDD5(+3.3VDD)

AVDD-P(+3.3VIAD)

DGND1

DGND2

DGND3

DGND4

DGND5

DGND6

VGG(+5VDD)

DVAA(+3.3VDA)

N.C./AVDD-S(+3.3VIAD)

AGND1

AGND2

AGND3

AGND4

AGND5

VAA-P(+5VIAA)

VAA-S(+5VIAA)

R142

33K

R114

33K

R140

32.256MHz

CNLIUA-3

CNLIUB-2

(1-6I)

IC4

FM209V

C198

1000P

C199

(6-1C)

W-TONE

VOL_C

VOL_B

VOL_A

C219

TXMUTE

N.M.

R136

R158

R112

R222

N.M.

R220

33K

C124

N.M.

C112

0.1

C227

N.M.

R123

N.M.

R111

100K

C137

0.1

C129

C150 1

C149 1

C125 1

C126 1

C148

C145

0.1

C170

0.1

C128

(6-1C)

(6-2G)

6 – 3

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 73 74

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Sharp FO-90A Service Manual Page 45

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