background image

R20

10K

1

2

11

9

7

5

3

4

6

8

10

13

12

15

14

17

16

19

18

21

20

23

22

24

48 47

38

40

42

44

46 45

43

41

39

36

37

34

35

32

33

30

31

28

29

26

27

25

N.C N.C N.C N.C N.C N.C R/B RE CE

VCC

N.C N.C

VSS

CLE

N.C N.C

ALE WE

WP N.C N.C N.C N.C N.C

N.C

N.C

N.C

N.C

I/O 
  0

I/O 
 1

I/O 
 2

I/O
 3

N.C

N.C

N.C

VSS

VCC

PRE

N.C

N.C

I/O
 4

I/O
 5

I/O
 6

I/O
 7

N.C

N.C

N.C

N.C

IC5

C3FBFC000010
FLASH   MEMORY

Q2

2SB14620SL
Flash Memory
Switch

0.1

C15

0.1

C16

R11

10K

18                                          19                                       20                                       21                                        22                                      23 

A

B

C

D

E

F

G

H

R1

10K

LCD

MODULE

1

2

3

4

5

6

LCD1

0.1

C26

0.1

C23

1

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
LED Switch

BK-LED

VCC-3V3

R32

10K

:POSITIVE VOLTAGE LINE

:AUDIO(DIGITAL) SIGNAL LINE

:AUDIO(ANALOG) SIGNAL LINE

0

0

0

0

0

0

0.3

2.97

2.94

0

0

3.0 0

0

0

3.0 3.0 0

0

0

0

0

0

0

0

0

1.2 0

0

1.2

1.2

1.2

0

0

0

0

3.0

1.2

1.2

1.2

1.2

0

0

0

0

0

0

0

2.96V

0V

0V

3V

3V

2.32V

M0DE2

M0DE1

M0DE0

VCC-2V5

0.1

C44

7

7

B3ABB0000187

B3ABB0000187

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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