CDMA 网络对讲机原理图

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ANT14V2

Q6 UTC2301G4V2_M

2V8

M9mm

R30 47KA PCB Rule i

L5 301T

R94 0R

R4 0R

R37 1K Q10 DTC114EEC4 470P C5 104P C6 102P C7 100uF R7 0R Q1 DTC114EE Q2 DTC114EEZRESET PDWN VBAT 2V80

A

ANT

ZTE_BATT_ON

ZTE_POW_ON

27

24

17

6

PDWN

VBAT

31 2

ANT RF_ANT UIM_RST UIM_CLK UIM_DATA UIM_V

VREG_MSME2

RESET

R22 0RMIC1_P MIC1_N MIC2_P SPK2_P SPK1_N SPK1_P 22 23 21 18 20 19 30 29SP1N SP1P M1P M1N

ZTE_RESET

3U

R42 2K2 C17 104PAFI1 C1 103P R12 1K5 C11 102P R61 C64 104P 1K C82 33P C20 33P R13 1K5

R43 560R C24 225P

UIM_RESET 11 UIM_CLK 12 UIM_DATA 13 UIM_V 14 L4 82NH U_RST L1 82NH L2 82NH U_DATA U_CLK U_VDD C30 33P C31 33P L3 101T25 26 10 9 8 4 16 15ZTE_RXD ZTE_TXD

U2 ZTE_MC8332

R23 0R R24 8K2

C57 104P

R34 1K

GND GND GND GND

NC IO VPPB

NC CLK

NC I/O VPP GND

8 7 6 5 4 3 2 1

RSSI_LED

UART_DTR UART_DSR UART_DCD UART_CTS UART_RTS UART_RI UART_TXD UART_RXD

UART2_TXD2 UART2_RXD2

R25 100R

C2 103P

2 1 3 4 5

2 1 3 4 5

5 3 1 28

7

R65 10K C29 33P C32 104P

NC RST CLK RST

C21 104P R48 1K

3U

AFI

Q7 DTC114EE

PHONE2 3.5mm

R50 6K8

GND VCC VCCCON1 UIM_CARD

Q4 1SS372 R36 470K

C3 103P

Q8 DTC114EE MIC_MUTE4V2

+ 1 C80 102P -

MIC1B

R35 330K Q5 2SC4617 Q6 UTC2301GR27 0R4V2

C22 104P

C23 105P

6MM

R26 0R C34 22P Q9 2SC4617 R44 1K2V8

R38 NC R17 1K U4 LM48901 2 CD FC2 FC1 VIN VO2 GND VCC VO1 8 7 6 5 4V2

R52 0R

R37 47K R30 1KAFI R47 D6 HSC277 R1 0R R2 0R C9 100P 10K C33 22P C12 104P C40 102P R46 4K7 R45 82K3

C37 223P

AFC

3 4

R58 10R C35 10uF R14 10K

Q3 NC C432

1

Q10 DTC114EE

C39 102P

C8 105P C42 150P R49 R51 3K3 220K C45 103PPdata GND

C41 104P

C10 104P

CD1A 100uF

ZTE_RESET ZTE_POW_ON AFC

ZTE_BATT_ON

3U

SW1A sw R15 2K2

104P

R57 10RCON2 PROG 1 3 1 3 5 2 4 6 2 VDD_CPU 4 Pclk 6

SP1 8R1W

3U 1 C BATT+ PCB Rule i A0 A1 A2 VSS

VCC TEST SCL SDA

8 7 6 5

R18 10K

R28 10K

TONE

C14 104P2

C13 104P

RESET 5

5 4 3 1 2

5 4 3 1 2

R80 0R

4V2

R10 NC R68 NC

4V2_IN C16 NC

PHONE1 2.5mmP0.0/INT0 P1.3 P1.2 5 24 23 34 35 29 30 13 14 15 44 41 42

21

36

25

4

2

1

39 40 20 19 18 17

C

P2.7/PWM1

R72 10K

4

4V2_IN VOICE_INROM_WP ROM_SCLK ROM_SDA

48 47 12 11 10 32 33 3 16 26

P3.3/ADC3 P3.2/ADC2 P0.7 P0.6 P0.5 P2.3/TXD1 P2.4/RXD1 P3.6 P4.3(B) P1.5

XIN/P9.0 XOUT/P9.1 P4.7(B) P4.6(B) P4.5(B) P4.4(B)

P3.7

P1.0

P3.5

P3.4

P1.4

3

MIC_MUTECODE_A CODE_B Pdata Pclk

DA1 1SR154 C65 100uF C66 104P

U1 24C08

R29 47K

P2.5/(PDATA) P2.6/(PCLK) P2.0/TXD0 P2.1/RXD0

TXD_0 RXD_0 4V2_ON psw_in

U7 SC51F

P4.0(B) P4.1(B) P4.2(B) VSS RESET/P10.0 PLLC Vcore

RS_TXD RS_RXD KEY_PTT KEY_SQ KEY_FUNC

R31 0R

R53 0R

R9 0R KEY_PTT

R813U

10K C79 220P R75 270K C60 22P KEY_SQ C61 220P C67 103P R663U

R773U

xout/P9.2(B)

P2.2 P3.0/ADC0

xin/P9.3(B)

P0.1/INT1 P0.2 P0.3 P0.4

47K

31 37

28

27

22

45

46

RESET 38

43

5

4

R196 7 8 9

VDD

P1.7

P1.6

P1.1

C59 104P

47K SW1B swBATTO IN GND 3U OUT

LED_G LED_R MCU_POW_ON

R21 150K

4V2

4V2

KEY_FUNC CB3 VDD_CPU 101T U9 IMP809L/R C

69 104P C70 106P C71 104P3U 3U

47K R67 103P

LED1 LED-R C78 10uF R89 330R

R20 47K

LED2 LED-G R90 330R

R86BATTO

BATT_IN R87 100K C73 103P

Q14 UTC2301G R56 1K

R63 4K7

C47 22uF

U10 3V3

180K

C76 102P

C77 104P

R32 100K

R33 100KCHS1CODE_A CODE_B

C74 15P Q12 DTC114EE LED-G Q13 DTC114EE

XT1 32768Hz

C75 15P

D

D1 4148 BATT1 BATT

D3 4148

R84 4K7

1 2 3 CODE SW-0

D

MCU_POW_ON

Q15 DTC114EE

KEY_FUNCKEY_SQKEY_PTT-

4 3 2 1

4 3 2 1

KEY_FUNC KEY_SQ KEY_PTT

C18 470P

C19 470P

LED_RKEY3 KEY2 KEY1

JP2 KEYBOARD

JP1 KEYBOARD

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