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Flow Chart of Troubleshooting

Initial

AVD

100K

VDD3

VCC

R211

NC7SZ19L6X

U201

GND

R20

100

3.9K

TH200

NCP15WB473J04RC

VSS_VBOUT

C11

R208

VSS_I

VSS_K

VSS_M

G1
K1

VSS_N
VSS_O

VSS_P

VSS_REF

C13

VSS_VB

A12

VSS_B

VSS_BB

E13

M7 VSS_C

VSS_D

D11

VSS_E

N10

VSS_F

N14

VSS_G

N11

G13 VSS_H

VDDE3_G

VDD_BB

F12

VDD_D

VDD_REF

D14

B12

VDD_VB

VDD_VBOUT

C12

VREF

C14

VSS_A

VDDE1_B

N12
C8

VDDE1_C

H11

VDDE1_D

VDDE2_C
VDDE2_E

VDDE3_A
VDDE3_B

VDDE3_F

TXD0

A4 TXD

TXO

G12

VDDC_A

VDDC_B

N13

VDDC_C

VDDC_D

VDDE1_A

M1
4

SIMCLK

M1
1

SIMERR

SIMIO

TCK

TDI

TDO

TM S

TRST_N

RSTO_N

H10

RST_N

RXT0_N

RXD0

RXD1

H1
2

RXO

SCK

SD
A

RFSIG

K10

H1
4

H1
3

C10

RESETN

RFE_N

J12

RFE_N

K12

RFSIG

RFSIG10

KBIO

L13

L12

KBIO

L14

MCLK

B13

MICN

MICP

A13

PWM0

PWM1

J14

J13

J_SEL

K11

KBIO

J10

KBIO

K13

KBIO

J11

L11

KBIO

HD4

HD5

HD6

HD7

HD8

HD9

HRD_

HWR_N

HD1

HD2

HD3

HD0

HD1

HA20

HA21

HA22

HA23

HA24

HA25

HA26

HA13

HA14

HA15

HA16

HA17

HA18

HA19

GPIO

L10

GPON1

GPON2

HA10

HA11

HA12

GPIO

GPIO10

GPIO

CS_N

CTS0_N

EARN

A11

B10

EARP

GPIO

BU
Z

B11

CCLK

E10

CEN

P11

CKI

CKI32I

P13

P14

CKI32O

A10

AUXSP

AUXST

G10

AVDD

P12

AVSS

P10

E11

BDIO

F10

BIEN

BIOCLK

F11

G11

BOEN

AUXADC3

E14

AUXADC4

F13

AUXDAC1

E12

D1
3

AUXDAC2

AUXDAC3

A14

AUXMICN

AUXMICP

B14

AUXO

K14

ACLK

AFS

AUXADC1

F14

G14

AUXADC2

R200

OM6359

U200

R20

100K

R209

2.2K

C201

C200

100N

VDD2

R201

100K

FSC

R203

10K,1%

VDD3

100K,1%

R202

AVDD_TEM

VDD1

DCL

VDD1

VDD2

VDD1

2.2K

R210

10K,1%

C202

100N

R205

VDD3

AVD

VDD1

100K,1%

R204

VDD1

VDD

TP4

32K

HA(26)

HA(24)

HA(25)

CS_NAN

CTS0

MELODY_CS

IMAGE_CS

HA(20)

STROBE

FLASH_EN

EARP_P

EARP_N

PON_RX

PAM_TXEN

ANTSW_O

AVDD_TEM

NCSFLASH

GSM_TXVCO_EN

DCS_TXVCO_EN

BAND_SEL

M_RST

IMAGE_INT

FLI

RSTO

RI_BLU

HA(1:23)

HD(0:15)

FSC

JACK_EN

END_OF_CHARG

M_SEL

CHG_O

MES_BATT

AUX_MIC_N

AUXSP

EARP_H

RF_BBI_CLK

RF_BBI_DATA

IMAGE_RESET

HA(23)

RF_EN_SYNTH

AFC

RAM

D_REF_13M

QRX_TX_P

QRX_TX_N

IRX_TX_P

IRX_TX_N

MIC_P

MIC_N

AUX_MIC_P

D_REF_13M

HWR_N

HRD_N

NCSRAM

PON_TX

PON_SYNTH

PCS_RX

BIOCLK

BOEN

BDIO

BIEN

CTS0

TXD0

RXD0

SCL

IT_PM

SIMIO

SIMCLK

REF_O

J_SEL

RTS0

RXD1

TCK

TDI

TDO

TM S

TRST_N

TXD1

HA(4)

HA(5)

HA(6)

HA(7)

HA(8)

HA(9)

HA(10)

HA(11)

HA(12)

HA(13)

HA(14)

HA(15)

HA(16)

HA(17)

HA(18)

HA(19)

HA(20)

HA(21)

HA(22)

HA(1)

HD(0)

HD(1)

HD(2)

HD(3)

HD(4)

HD(5)

HD(6)

HD(7)

HD(8)

HD(9)

HD(10)

HD(11)

HD(12)

HD(13)

HD(14)

HD(15)

KBIO(0:7)

KBIO(7)

KBIO(6)

KBIO(5)

KBIO(4)

KBIO(3)

KBIO(2)

KBIO(1)

KBIO(0)

HA(2)

HA(3)

Содержание SGH-E330

Страница 1: ...SM TELEPHONE SGH E330 GSM TELEPHONE CONTENTS 1 Specification 2 Circuit Description 3 Exploded Views and Parts List 4 Electrical Parts List 5 Block Diagrams 6 PCB Diagrams 7 Flow Chart of Troubleshooting ...

Страница 2: ...Ltd Nov 2004 Printed in South Korea Code No GH68 06197A BASIC ⓒ This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

Страница 3: ...0 880 915 925 960 1710 1785 1805 1880 ARFCN range 1 124 0 124 975 1023 512 885 Tx Rx spacing 45MHz 45MHz 95MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 19pcl 5pcl 19pcl 0pcl 15pcl Sensi...

Страница 4: ...M900 5 33 3 dBm 6 31 3 dBm 7 29 3 dBm 8 27 3 dBm 9 25 3 dBm 10 23 3 dBm 11 21 3 dBm 12 19 3 dBm 13 17 3 dBm 14 15 3 dBm 15 13 3 dBm 16 11 5 dBm 17 9 5 dBm 18 7 5 dBm 19 5 5 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm ...

Страница 5: ...ceiver front end which amplifies the GSM DCS aerial signal converts the chosen channel down to a low IF signal of 100 kHz The first stages are symmetrical low noise amplifiers LNAs They are matched to 50 ohm The LNAs are followed by an IQ down mixer It consists of two mixers in parallel but driven by quadrature out of phase LO signals The In phase I and Quadrature phase Q IF signals are low pass f...

Страница 6: ...is use UFB LCD UFB LCD controls backlight brightness by contrast setting So BL_VDD voltage is always high value when phone is in active mode When phone is in dimming mode BL_VDD goes to about 10 duty PWM 1 3 Clock Generator The Clock Generator CG generates all clocks for internal and external usage The 32768 Hz crystal oscillator provides an accurate low clock frequency for the PCF50601 and other ...

Страница 7: ...able of simultaneously generating up to synchronous with the play of the FM synthesizer various sampled voices can be used as sound effects Since the play data of YMU762C are interpreted at anytime through FIFO the length of the data playing period is not limited so the device can flexibly support application such as incoming call melody music distribution service The hardware sequencer built in t...

Страница 8: ...e connected to memory YMU762C MV317S Camera DSP Chip controls the communication between ARM core and DSP core CS_NAND NCSRAM NCSFLASH in the ARM core are connected to each memory HWR_N and HRD_N control the process of memory External IRQ Interrupt ReQuest signals from each units such as PMU need the compatible process KBIO 0 7 receive the status from key and RXD0 TXD0 are used for the communicatio...

Страница 9: ...iew and its Parts list 3 1 This Document can not be used without Samsung s authorization 1 Cellular phone Exploded View 1 QMW02 QFU01 QSP01 QMO01 QSC05 QCR17 QFL01 QMW01 QSC08 QCR17 QVO01 QME01 QMI01 QMP01 QKP01 QFR01 QCR08 QAN01 QCK01 QRE01 QRF01 QIF01 QCR11 QBA19 QLC01 QCA01 ...

Страница 10: ...NIT CAMERA GH59 01472A QCR17 SCREW 6001 001639 QSC05 SCREW SHEET R GH74 08872A QSC08 SCREW SHEET L GH74 08873A QFL01 FOLDER LOWER GH75 04618A QMW01 MAIN WINDOW LCD GH75 04904A QFR01 FRONT COVER GH75 04616A QKP01 KEKPAD GH75 04619A QMP01 PBA MAIN GH92 01844A QMI01 MICROPHONE ASSY GH30 00130A QME01 UNIT METAL DOM GH59 01547A QCR08 SCREW 6001 001456 QAN01 ANTENNA GH42 00454A QRE01 REAR COVER GH75 046...

Страница 11: ...loded view and its Part list 3 3 This Document can not be used without Samsung s authorization 3 Test Jig GH80 01909A 3 1 RF Test Cable GH39 00283A 3 2 Test Cable GH39 00217A 3 3 Serial Cable 3 4 Power Supply Cable 3 5 DATA CABLE GH39 00219A 3 6 TA GH44 00482A ...

Страница 12: ...790 LED714 0801 002237 U300 0801 002882 U201 0801 002882 U304 0801 002882 U306 1001 001253 U603 1009 001018 SW600 1109 001316 U302 1201 002174 U102 1202 001036 U610 1203 003459 U702 1203 003483 U501 SEC Code Design LOC 1203 003486 U502 1204 002161 U301 1205 002327 U100 1205 002350 U400 1205 002607 U200 1404 001221 TH200 1405 001082 V600 1405 001082 V601 1405 001082 V602 1405 001082 V603 1405 00108...

Страница 13: ...12 2007 000172 R213 2007 000174 R606 2007 000242 R605 2007 000566 R103 2007 000566 R109 2007 000775 R118 2007 001288 R124 2007 001298 R104 2007 001301 R703 2007 001301 R704 SEC Code Design LOC 2007 001301 R705 2007 001301 R706 2007 001301 R707 2007 001301 R708 2007 001301 R709 2007 001301 R710 2007 001301 R711 2007 001301 R712 2007 001301 R713 2007 001301 R714 2007 001301 R715 2007 001301 R716 200...

Страница 14: ...24 2203 000278 C135 2203 000278 C407 2203 000278 C609 2203 000278 C613 2203 000278 C628 2203 000311 C148 2203 000330 C316 2203 000330 C318 2203 000330 C600 2203 000330 C612 SEC Code Design LOC 2203 000359 C106 2203 000386 C611 2203 000438 C119 2203 000438 C120 2203 000438 C152 2203 000438 C155 2203 000438 C156 2203 000438 C303 2203 000438 C317 2203 000438 C620 2203 000438 C621 2203 000550 C131 220...

Страница 15: ...03 2203 005061 C604 2203 005061 C610 2203 005138 C105 2203 005482 C100 2203 005482 C103 2203 005482 C108 2203 005482 C114 2203 005482 C127 2203 005482 C130 2203 005482 C202 SEC Code Design LOC 2203 005482 C207 2203 005482 C209 2203 005482 C210 2203 005482 C211 2203 005482 C212 2203 005482 C400 2203 005482 C403 2203 005482 C412 2203 005482 C422 2203 005482 C503 2203 005482 C619 2203 005482 C622 220...

Страница 16: ...002204 L109 2703 002208 L100 2703 002208 L102 2703 002267 L104 2703 002368 L111 2703 002779 L500 2801 004285 OSC300 2801 004339 X400 2806 001329 OSC101 2809 001281 OSC100 2901 001246 U500 2901 001254 F103 2901 001286 F700 2901 001286 F701 2901 001286 F702 2901 001286 F703 2901 001286 F704 2901 001286 F705 2904 001469 F100 2904 001470 F102 2904 001480 F101 2909 001246 U103 3301 001729 L620 3404 001...

Страница 17: ...RXON Vcc_Tx_BURST GSM IN HITACHI METAL ANT SWITCH SHS C090T SIZE Imax 10 mA Freq MHz Loss 880 915 1 2 dB 925 960 0 9 dB 1710 1785 1 2 dB 1805 1880 1 2 dB Atten 2xfo 40dB 27dB GSM DCS 3xfo 35dB 21dB GSM DCS EN CLK DATA DCS S W OFFSET Mixer input power 16dBm max 22dBm min fcompRF 26MHz Philips Transceiver UAA3536 Pins IA IB QA and QB VIQ 1 25V typ 1 15V min 1 35V max Vmod 0 5Vpp FE_SW1 Vc_EGSM FE_SW...

Страница 18: ... RAMP Charging Circuit Li Ion Battery OM6359 VIBRATOR SYSTEM CLOCK 13MHz MEMORY NAND 128Mb NOR 128Mb SRAM 64Mb RTC_CLOCK 32 768KHz LCD SIM CARD RECEIVER KEY RF INTERFACE VCC_CP Serial Data Interface I O Interface A D Interface BB INTERFACE MELODY IC 40 Poly SPEAKER BB Block Diagram of SGH E330 PMU CAMERA MV317 MIC VCC_RF_VCO VCC_RX_TX VCC_SYN VCC_TX_BURST VDD1 VDD2 VDD3 VDD_VIB MIC_BIAS VDD_KEY SP...

Страница 19: ...SAMSUNG Proprietary Contents may change without notice 6 SGH E330 PCB Diagrams 6 1 This Document can not be used without Samsung s authorization 1 Main PCB Top Diagram ...

Страница 20: ...SAMSUNG Proprietary Contents may change without notice PCB Diagrams 6 2 This Document can not be used without Samsung s authorization 2 Main PCB Bottom Diagram ...

Страница 21: ...more than 3 4V Power On does not work Change the Battery END No Yes C414 V_ISUP 2 7V Check the PMU related to V_ISUP No Yes Check the Clock at R401 32KHZ Resolder X400 No Yes C431 VDD1 H Check the VDD1 circuit No Yes C430 VDD2 C429 VDD3 2 8V Check the VDD2 VDD3 circuit No Yes Check for the clock at C126 13MHz Check the clock generation circuit related to U100 No Yes Check the initial operation Yes...

Страница 22: ...20 AVDD_TEM P 1UF C428 C412 100NF BLVDD 4 7UF C418 C422 SPVDD VBAT VBAT 100NF G6 VSS9 C402 4 7UF D4 C4 VSS21 VSS3 F4 VSS4 G4 VSS5 J3 VSS6 G5 K5 VSS7 VSS8 F6 E6 VSS13 VSS14 E7 D7 VSS15 VSS16 C7 D6 VSS17 VSS18 E5 D5 VSS19 VSS2 F5 VSS20 C2 B3 VIBVBAT VIBVDD A3 VPROG H7 VSS1 E4 VSS10 G7 G8 VSS11 VSS12 F7 B8 SIMI O SIMSCN A1 SIMSCP B1 SIMVBAT B2 SLPMOD D10 TM H5 J5 VBACK VBAT K4 VCC C1 RST D9 RSTO SCL ...

Страница 23: ...bleshooting This Document can not be used without Samsung s authorization 7 3 2 Initial R200 RSTON H Initial Failure Check the circuit related to reset END No Yes Is U304 pin 4 6 memory CE OK Yes Yes No Check the U304 Check the circuit around LCD U304 Short or not solder Yes ...

Страница 24: ...J4 K4 HA18 HA19 K2 P3 HA 2 GPIO 8 P6 N8 GPIO 9 L10 GPON1 N9 GPON2 HA 1 M4 N1 HA10 HA11 L2 L1 HA12 K9 GPIO 1 K8 GPIO10 L8 GPIO 2 M9 GPIO 3 P7 GPIO 4 GPIO 5 L7 L9 GPIO 6 GPIO 7 N7 N4 CS_N 0 CS_N 1 G5 CS_N 2 M5 G3 CS_N 3 CTS0_N B5 EARN A11 B10 EARP GPIO 0 M1 2 BU Z B11 CCLK E10 D8 CD I CD O E9 CEN D9 P11 CKI CKI32I P13 P14 CKI32O A10 AUXSP AUXST G10 AVDD P12 AVSS P10 E11 BDIO F10 BIEN BIOCLK F11 G11 ...

Страница 25: ...d without Samsung s authorization 7 5 3 Charging Part Check the C508 4 9V Abnormal charging part END No Yes U502 pin 5 H No Yes Check the C507 4 2V No Yes Check the the circuit related to V_EXT_CHARGE Resolder or replace U502 Check the circuit related to CHG_ON signal Yes U502 pin L Yes No Resolder or replace U502 ...

Страница 26: ...art of Troubleshooting 7 6 Charging Charge of Battery C505 ZD501 UDZS8 2B CHARGER_OK END_OF_CHARGE VDD2 100K R508 MES_BATT CHG_ON C506 1UF 10V V_EXT_CHARGE 2 7K 330K 1 VBAT 2 2K 1 R511 R510 R507 1 2 CPB DIS SC806 U502 10 CHRGB 200K 1 NOBAT NTC 9 VCC 3 VOUT 1 R512 7 6 GND GND 11 12 GND GND 13 14 GND 4 IPRGM ITERM 5 8 NC R509 ...

Страница 27: ...used without Samsung s authorization 7 7 4 Sim Part CN400 pin 1 5 H Phone can t access SIM Card Check the sim charge pump Check the SIM Card END No Yes Yes Yes No Check the 32k OSC After Power ON Check SIMCLK Signal on CN400 pin3 in a few second Yes No Replace PBA After SIM card insert CN400 pin 2 H SIM_RST Yes ...

Страница 28: ...ut Samsung s authorization Flow Chart of Troubleshooting 7 8 5 Microphone Part Check the connection from MIC Check the circuit from U200 to MIC Resolder MIC Resolder the R601 R605 R611 R612 R613 C604 and C610 END No Yes Yes Yes Yes No Check the MIC No Replace the MIC Microphone does not work ...

Страница 29: ...ed without Samsung s authorization 7 9 Microphone Close to microphone MICROPHONE Close to MCP NC C600 12PF MIC_N MIC_P 10PF C609 NC C613 100NF V601 27PF C610 C604 C608 22PF 39PF C606 C612 12PF V600 MIC JTAG 100NF R601 1 5K R605 C611 MIC SCHX110 MIC600 1 5K 0 R602 10K R603 0 R604 C601 22PF MIC_BIAS C607 C602 47PF ...

Страница 30: ... U300 pin 5 2 85V Speaker does not work Check the Clock signal at Pin 1 of U301 13MHz Check the clock generation circuit related to OSC100 and U301 END No Yes No Resolder or replace U300 U301 pin 17 18 1 8V When U301 operate Resolder U301 Yes No HDC700 pin 40 42 1 8V Check the circuit related to SPK_P SPK_N signal Yes No Is Speaker working No Yes Change the Speaker Yes Yes ...

Страница 31: ... HD 4 HD 3 HD 2 HD 1 HD 0 HA 1 C301 VDD2 YMU762C QZE2 30 A0 CLKI 1 U301 AMP_P SPVDD AMP_N R300 51K 220NF C305 1 2NF C309 C306 4 7UF 6 3V EARP_HF MEL_13M 100NF C303 1NF 31 RD RST 4 WR 28 100PF C300 27PF 100NF C302 C310 0 R305 U300 TC7SH04FU TE85L 3 GND 2 IN 1 NC 4 OUT 5 VCC 18 SPOUT2 SPVDD 15 16 SPVSS VDD 7 VREF 9 VSS 8 29 CS IRQ 3 10 HPOUT L MONO HPOUT R 11 IOVDD 32 2 LED MTR 19 NC 5 6 PLLC SPOUT1...

Страница 32: ...used without Samsung s authorization Flow Chart of Troubleshooting 7 12 7 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KBIO signal is OK Replace the PBA No Yes ...

Страница 33: ... 9 13 1 5V Resolder or replace U603 END No Yes Yes Receiver does not work SPK PAD 1 5V Cange LCD module No Yes Is Receiver working Replace the Receiver No Yes No Resolder or replace U603 Yes No Resolder EAR600 EAR600 pin 4 5 short Yes HDC700 pin 40 42 1 5V No Resolder HDC700 Yes Check the soldering of the speaker wire No Modify the speaker wire soldering Yes U603 pin 1 5 1 5 ...

Страница 34: ...C 21 22 NC 14 V R610 200K 1 ZD600 1 2 3 4 5 V604 VC040205X150R 3 1 VDD2 VDD2 NZQA5V6XV5T1 TC75W56FK TE12 L U610 2 5 6 7 C625 33PF 3 9PF C616 EAR_SWITCH JACK_I N AMP_P EARP_P V605 27PF C615 ZD601 NZQA5V6XV5T1 1 2 3 4 5 4 5 EPJ4 6A D1 NA EAR600 1 2 3 R609 180K 1 V602 U610 1 TC75W56FK TE12L 4 3 2 8 180K 1 R611 3S2 11 4S1 13 4S2 D1 16 4 D2 D3 8 D4 12 6 GND 17 GND 2 1 2IN 15 1S1 1 1S2 2S1 3 5 2S2 3 4IN...

Страница 35: ... can not be used without Samsung s authorization 7 15 9 LCD Part Is LCD Contrast set on high level in the Menu Set LCD Contrast on high level END No Yes Yes LCD does not work HDC700 pin 24 2 8V Check the R304 C308 No Yes HDC700 pin 19 L_WR 20 RS is OK Check the U303 No Yes Yes Replace the LCD Module ...

Страница 36: ...ce This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 16 10 Key Back Light U701 pin 5 H Check the PMU related to VDD_KEY END No Yes Yes Key Backlight does not work U701 pin 2 3 H No Resolder or replace U701 Yes ...

Страница 37: ...rization 7 17 11 Camera part Camera function does not work Yes No Connect the camera module Check the Camera connector on LCD module Yes HDC700 pin 48 50 2 8V No Check LCD and HDC700 Yes OSC300 Pin 1 24MHz No Check OSC300 and R318 Yes HDC700 pin 24 2 8V Yes No Check the R304 C308 Is there another problem END Replace the camera module Yes ...

Страница 38: ...4 Y 4 M_SD A SD A A10 M_SCL PCLK RESET A1 IMAGE_RESET SC L B10 D9 E10 TROBE C7 L7 VEO C3 VEP1 VEP2 C5 B8 VEP3 VEP4 4 7U F LD 10 LD10 J8 LCS1 K6 LCD_MAIN_CS L6 LCS2 LCD_SUB_C S M1 0 LD 0 LD 0 LD 1 M9 LD 1 HREF A9 LVALID STANDB Y C4 GP O DVSS9 H9 D10 EXTVS LD 0 15 VEP8 K4 VEP9 A2 VSYN C B9 FVALID HA 1 4 DVSS6 DVSS7 F3 F10 DVSS8 DVSS5 D8 E9 ON OF F 1 VIN VOUT 5 VBA T HD 0 15 Y 0 7 C1 MA1 MA0 HA 1 D1 ...

Страница 39: ... input CH center freq Amp 50dBm Check U103 pin4 L pin8 L U103 pin5 65dBm F100 pin1 70dBm U100 pin6 7 8 9 1V U100 pin32 70dBm pin33 70dBm Check ANT Switch control circuit Resolder U103 Resolder F100 C104 L103 Resolder L100 L101 L102 Check U100 pin10 22 28 2 7V pin20 4 0V Check Resolder RF PSU Part Check Resolder U100 RF26MHz part R100 R101 R116 R117 R119 R121 1V Yes Yes Yes Yes Yes Yes Yes Yes No N...

Страница 40: ...103 pin11 20dBm U102 pin6 20dBm OSC101 pin1 6dBm U102 pin48 3dBm Change or Resolder U100 Check ANT Switch control circuit Resolder L113 L114 C151 Resolder R123 U100 pin6 7 8 9 500mV Yes Check U102 VBATT pin42 43 OK Resolder or Change U102 or check PAM control signal Check VBATT Check U100 pin4 4 0V pin22 28 2 7V OK Check Resolder RF PSU Part No No No No No Yes No No Yes Yes Yes Yes Yes Yes Yes Yes...

Страница 41: ...put CH center freq Amp 50dBm Check U103 pin4 L pin8 L U103 pin1 65dBm F102 pin1 70dBm U100 pin6 7 8 9 1V U100 pin38 70dBm pin39 70dBm Check ANT Switch control circuit Resoder U103 Resolder F102 C116 L107 Resolder C115 C117 L106 Check U100 pin10 22 28 2 7V pin20 4 0V Check Resolder RF PSU Part Check Resolder U100 RF26MHz part R100 R101 R116 R117 R119 R121 1V Yes Yes Yes Yes Yes Yes Yes Yes No No No...

Страница 42: ...03 pin9 20dBm U102 pin31 20dBm OSC101 pin5 6dBm U102 pin37 3dBm Change or Resolder U100 Check ANT Switch control circuit Resolder L111 C147 Resolder R124 R125 R126 U103 pin6 7 8 9 500mV Yes Check U102 VBATT pin42 43 OK Resolder or Change U102 or check PAM control signal Check VBATT Check U100 pin4 4 0V pin22 28 2 7V Check Resolder RF PSU Part No No No No No No Yes No Yes Yes Yes Yes Yes Yes Yes Ye...

Страница 43: ...102 2 2nH 51 R110 10K R104 C115 33PF 5 6nH L106 R100 3 6K 100NF 5 IN 1 3 OU T OU T 4 C130 F100 FAR F5EB 942M50 B28CH 2 G G 33 K 18nH L107 L112 33nH R118 L110 33nH L105 12nH R121 2 7K 2 7K R116 C125 1UF PCS_RX 4 VC1 VC2 8 2 VC3 220PF C137 DCS PCS_TX 6 G 10 G 12 G 13 G 14 G GSM_RX 5 GSM_TX 11 3 C145 U103 ANT 7 1 DCS_RX 9 10K 100PF R130 R129 8 2K 150PF C106 22n H L109 RFVCC 31 RFVCOVCC 25 RXON 23 24 ...

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