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IC4

C1BB00000854

DSP  MICON

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

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25

77

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74

72

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70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

GPIO0
MCI_CLK 

GPIO9

VSS(HP)

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

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50

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52

73

100

99

97

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95

94

93

92

91

90

89

88

87

86

85

84

83

82

81

80

79

78

98

101102

110

105

A15

106

107

108

109

103104

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

D4

D0

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

GPIO4

GPIO5

GPIO7

VOUTR
  -HP

TEST_DAT2

L3MODE

VSSD

MCI_DAT0

GPA4
GPA6

GPIO16

GPIO18
GPIO20

GPIO22

GPIO24
GPIO26

GPIO27

UART_nDTR
UART_nDCD

RW_WR

DB5
GPIO1
MCI_CMD

TEST_DAT3

TEST_DAT1

GPA3

GPA5

GPA3

GPA7

GPIO17

GPIO19

GPIO21

GPIO23
GPIO25

UART_nDSR
UART_nCTS

E_RD

DB7

DB1

GPIO2
GPIO3

VSSI4

VDDI4

CRQ_nERD
RCK

DAAB

WSAB
CLAB

REQ_RX

RTRST_nF
CSB

DB6
DB2
VUSB

DB3

USB_DPLUS

CRST_nHRQ

CFLAG_SBSF

SFSY

V4_SUB

EFAB

UART_DIR_T

UART_CLK

RS

DB4

DB0

N.C.

USB_CONNECT

USB_DMIN

GPIO6

GPIO8

VSSI3

VDDI3

UART_IO_nF

SPDIFO

DATAO1

VDD(F)

GPIO10

GPIO11

GPIO13

GPIO15

A18

CLK01

WSO1

VSS(F)

GPIO12

GPIO14

VSSI2

VDDI2

A17

DATAI1

nCS_2

VADCP

VSSE

nOE

SDnCS0

CKE0

A16

WSI1

A19

VINM

DCLKO

WEN

GPA2

VDDE3V3

BCKI1

A20

VADCN

DO0

DI0

WE

WSSE3V3

VDDE2V5

JTAG_nTRST

JTAG_TMS

VINR

WAKE_UP

VREFP0

VSSI1

VDDI1

VSSE2V5

nRESET_IN

MODE2

VDDA(AD)

VSSA4

VDDA4

VREFP1

GPA1

BCK01

MODE1

JTAG_MODE0

VINL

VSSA3

VDDA3

GPA0

XTAL2I

VDDD

RESET

RESET_OUT

VSSA(AD)

VSSA2

VDDA2

XTAL2O

XTAL1I

D2

D6

D8

A2

A4

A6

A8

SCL_SLAVE

SCL_M

L3CLOCK

VOUTL

VSSA(DA)

VREF

VSSA1

VDDA1

XTAL1O

A1

A7

A11

A14

nRAS

nCAS

SDA_SLAVE

SDA_M

L3DATA

VDD(HP)

VOUTR

VDDA(DA)

D1

D3

D9

D11

D13

D16

A3

A10

A13

nCS1

DQM1

AO_SLAVE

TEST1

JTAG_TDI

SEL_L3_IIC

VREFHP

VOUTL-HP

D5

D7

D10

D12

D14

A0

A5

A9

A12

nCS0

DQM0

JTAG_TCK

JTAG_TDO

R23

22K

R21

1M

X1

(6MHz)

C18

C17

180P

82P

R24

22K

0.1

0.22

C19

C20

0.22

C2

0.1

C10

4V22

C13

0.22

C21

R10

100K

R22

22K

R26
22K

:POSITIVE VOLTAGE LINE

:AUDIO(DIGITAL) SIGNAL LINE

:AUDIO(ANALOG) SIGNAL LINE

R27

22K

0.1

C5

0.1

C1

R9

100K

R4

100K

0.1

C6

0.1

C22

0.1

C3

0.1

C12

0.1

C8

0.1

C11

0.1

C14

0.1

C9

0.1

C7

DFU-EN

FLASH-EN

R25

22K

SV-SW31V(GC/GK) MAIN CIRCUIT DIAGRAM

Schematic diagram-3

VOUTR-HP

MEM-D7

MEM-D5

VOUTL-HP

VREF-HP

MEM-A3

MEM-D3

MEM-D1

IIC-MST-SDA

MEM-RAS

MEM-D4

MEM-D0

TUN-BUS-EN

HOLD

USB-CON

USB-DM

NF-BUSY

SAA-3V3

KEY1

MEM-OE

SAA-1V7

SAA-2V5

SAA-COD-3V3

SAA-COD-3V3

VCC-3V3

VCC-3V3

B

L

K

J

H

G

F

E

A

C

D

I

R48

100K

R47

100K

SAA-1V7

VCC3V3

R50

470K

R46

100K

Summary of Contents for SV-SW31VGC

Page 1: ... kbps 96 kbps is recommend No of channels Stereo 2 channels Frequency response 20Hz to 20 000Hz 0dB 6dB Radio Frequency range FM 87 5 MHz to 108 0 MHz 50 kHz steps Output 4 5mW 4 5mW 32Ω M3 jack Power supply DC 1 5V one LR03 AAA AM 4 battery Approximate play times 10 hours alkaline battery PLAYER 6 hours alkaline battery FM RADIO Maximum dimensions WxHxD 56 3 x 82 0 x 25 1mm Cabinet dimensions WxH...

Page 2: ... 100K R117 20K R119 402K R118 80 6K S102 MODE R120 20K R121 80 6K R116 100K VOL VOL S104 S103 R115 100K SUB CIRCUIT B POSITIVE VOLTAGE LINE AUDIO DIGITAL SIGNAL LINE AUDIO ANALOG SIGNAL LINE 1 2 3 4 5 6 18 23 22 21 24 27 26 28 30 31 SV SW31V GC GK SUB CIRCUIT DIAGRAM Schematic diagram 1 R126 0 VCC3V VCC BATT R111 1 2M VCC 2V5 PWR OFF VCC BATT VCC 3V VCC 2V5 VCC 1V7 TUN BUS EN IIC MST SDA IIC MST S...

Page 3: ...28 470K C31 6 3V10 L3 600 SV SW31V GC GK MAIN CIRCUIT DIAGRAM L4 L5 L6 R38 22 R5 100K Schematic diagram 2 CN2 VCC BATT VCC 3V3 VCC 2V5 PWR OFF VCC 1V7 TUN BUS EN IIC MST SDA IIC MST SCL TUN AUDIO L TUN AUDIO R KEY1 KEY2 KEY3 FM MODE VCC 1V7 VCC 3V3 USB DP USB DM USB VB USB CON HOLD VCC 3V3 VCC 3V3 VCC 3V S1 VCC 3V Q5 2SA1774STL SUB Switch VCC 3V3 VOUTR HP VOUTL HP VREF HP RJJ33TK14 W PWR OFF LCD R...

Page 4: ...ECT USB_DMIN GPIO6 GPIO8 VSSI3 VDDI3 UART_IO_nF SPDIFO DATAO1 VDD F GPIO10 GPIO11 GPIO13 GPIO15 A18 CLK01 WSO1 VSS F GPIO12 GPIO14 VSSI2 VDDI2 A17 DATAI1 nCS_2 VADCP VSSE nOE SDnCS0 CKE0 A16 WSI1 A19 VINM DCLKO WEN GPA2 VDDE3V3 BCKI1 A20 VADCN DO0 DI0 WE WSSE3V3 VDDE2V5 JTAG_nTRST JTAG_TMS VINR WAKE_UP VREFP0 VSSI1 VDDI1 VSSE2V5 nRESET_IN MODE2 VDDA AD VSSA4 VDDA4 VREFP1 GPA1 BCK01 MODE1 JTAG_MODE...

Page 5: ... 2 3 4 5 6 R8 1K R3 180 R43 180 D1 D2 22 R14 R12 22 B L K J I H G F E Schematic diagram 4 SV SW31V GC GK MAIN CIRCUIT DIAGRAM IIC MST SDA LCD RESET CN3 MEM D0 MEM D1 MEM D3 MEM D2 MEM D4 MEM D5 MEM D7 MEM D6 FLASH EN VCC 3V3 VCC 3V3 VCC 3V3 VCC 3V3 VCC 3V3 NF WP MEM RAS MEM A3 MEM A2 MEM OE NF CE NF BUSY IIC MST SCL KEY2 TUN AUDIO L KEY3 MEM A2 SAA RESET TUN AUDIO R A C D 100K R45 Q1 B1ABMB000003 ...

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