Samsung SGH-E700 Service Manual Download

Page: 26 / 43

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

SGH-E700 Flow Chart of Troubleshooting

pin H11

pin P8

pin C1

pin P9

pin G2

PCF50732

pin C8

SIMU

KBS

pin P4

pin F5

CS_N

pin B12

SIOX

UART0

ASI

UART1

pin N1

pin M8

GPI

pin C9

IMAGE_CS

CS_N

pin N1

CGU

RFCU

pin L3

pin D1

CS_N

T62

JTAG

pin F12

HA(20)

CS_NAND

PCF50874

pin C12

PDCU

SIOY

OOL

MELODY_CS

pin M6

AVD

VDD3

C212

100N

VDD

T40

C214

100N

R203

R202

VDD2

J_SEL

B_W

U201

NC7SZ19L6X

VCC

B_TD

B_TM

B_TDI

10K

R201

VDD3

C215

100N

VDD1

C211

100N

VCC

C205

SIM_BOOT

NC7SZ19L6X

U202

GND

VDD1

VSS_N

VSS_O

VSS_P

C13

VSS_REF

A12

VSS_VB

C11

VSS_VBOUT

VSS_D

VSS_E

VSS_F

VSS_G

VSS_H

VSS_I

VSS_K

VSS_M

VDD_REF

VDD_VB

B12

VDD_VBOUT

C14

VREF

VSS_A

VSS_B

E13

VSS_BB

VSS_C

VDDE2_C

VDDE2_E

VDDE3_A

VDDE3_B

VDDE3_F

VDDE3_G

F12

VDD_BB

VDD_

VDDC_

VDDE1_A

VDDE1_B

VDDE1_C

VDDE1_D

H11

TCK

TRST_N

TXD

TXDA4

G12

TXO

RXD

RXO

H12

SCK

SIMCLK

SIMERR

SIMIO

RFSIG5

RFSIG6

RFSIG7

RFSIG8

K10

RFSIG9

RSTO_N

RST_N

H10

RXT0_N

RFE_N

K12

RFSIG0

RFSIG1

RFSIG10

RFSIG2

RFSIG3

RFSIG4

MCLK

MICN

B13

A13

MICP

PWM0

PWM1

H14

H13

RESETN

C10

J12

KBIO

J10

KBIO

K13

J11

KBIO

L11

L13

KBIO

L12

L14

KBIO

D10

HD7

HD8

HD9

HRD_N

HWR_N

J14

J13

J_SEL

K11

HD13

HD14

HD15

HD2

HD3

HD4

HD5

HD6

HA7

HA8

HA9

HD0

HD1

HD10

HD11

HD12

HA20

HA21

HA22

HA23

HA3

HA4

HA5

HA6

HA13

HA14

HA15

HA16

HA17

HA18

HA19

HA2

GPIO

GPON

L10

GPON

HA1

HA10

HA11

HA12

GPIO

GPIO10

GPIO

CS_N

CTS0_N

A11

EARN

EARP

B10

GPIO

CCLK

E10

CEN

CKI

P11

P13

CKI32I

CKI32O

P14

AUXSP

A10

G10

AUXST

AVD

P10

AVSS

E11

BDIO

BIEN

F10

F11

BIOCLK

BOEN

G11

B11

AUXADC3

AUXADC4

F13

E12

AUXDAC1

AUXDAC2

D13

D12

AUXDAC3

AUXMICN

A14

B14

AUXMIC

K14

AUXO

UCP200

OM6357

ACLK

AFS

F14

AUXADC1

AUXADC2

G14

E14

VDD2

AVDD_TEM

C203

33PF

10N

C202

100N

VDD

C201

33PF

C219

AVD

VDD1

C208

T59

R206

2.2K

C209

100N

GROUND

JT6

B_TRST

VDD1

B_TCK

VDD3

C218

100N

VDD1

AVDD

C216

100N

VDD2

VDD

C200

AVDD

T57

C207

100N

C210

R212

10K

T58

VDD2

VDD1

R204

3.9K

VDD3

R205

2.2K

R200

100K

VDD3

TP202

T60

VDD3

VDD1

C217

100N

R207

47K

R208

47K

R209

C220

R211

VDD2

R210

CN200

CON1

VDD1

AVDD

C213

100N

100NF

C204

C206

TCK

TRST_N

HWR_N

J_SEL

EARP_N

TCK

TDO

J_SEL

TRST_N

TDI

EGSM

DCS_MODE_SW

EGSM_MODE_SW

DCS

HA(20)

IMAGE_CS

MELODY_CS

END_OF_CHARGE

D_REF_13M

IMAGE_RESET

M_RST

NCSFLASH

CS_NAND

HA(23)

HA(21)

HA(22)

HA(1:23)

EL_LIGHT_CO

CHG_O

EL_EN

PON_RX

PON_TX

PON_SYN

TRST_N

IT_PM

SCL

BIOCLK

AFC

IMAGE_INT

FLI

RXD

TXD

CTS0

TCK

EARP_HF

RF_BBI_CLK

RSTO

TEMP_PRODUCT

irDA_DOW

IRX_TX_P

IRX_TX_N

MES_BATT

EARP_P

AUXSP

MIC_P

MIC_N

AUX_MIC_P

AUX_MIC_N

FSC

32K

RF_BBI_DATA

BOEN

BIEN

BDIO

RAM

REF_O

V_MODE

QRX_TX_P

QRX_TX_N

HA(17)

HA(16)

HA(15)

HA(14)

HA(13)

HA(12)

HA(11)

HA(10)

HA(1)

CTS0

NCSRAM

HA(9)

HA(8)

HA(7)

HA(6)

HA(5)

HA(4)

HA(3)

HA(20)

HA(2)

HA(19)

HA(18)

HD(4)

HD(3)

HD(2)

HD(15)

HD(14)

HD(13)

HD(12)

HD(11)

HD(10)

HD(1)

HD(0)

KBIO(3)

KBIO(2)

KBIO(1)

KBIO(0)

HWR_N

HRD_N

HD(9)

HD(8)

HD(7)

HD(6)

HD(5)

D_REF_13M

HD(0:15)

KBIO(0:7)

TXD

SIMIO

SIMCLK

RXD

RTS0

RF_EN_SYN

KBIO(7)

KBIO(6)

KBIO(5)

KBIO(4)

Initial

Summary of Contents for SGH-E700

Page 1: ... SERVICE Manual 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 GSM TELEPHONE ...

Page 2: ...nics Co Ltd June 2003 Printed in Korea Code No GH68 04050A 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 ...

Page 3: ...805 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 13dBm 33dBm 5dBm 30dBm 0dBm Power Class 5pcl 15pcl 5pcl 19pcl 0pcl 15pcl Sensitivity 102dBm 102dBm 100dBm ...

Page 4: ...6 31 2 dBm 7 29 2 dBm 8 27 2 dBm 9 25 2 dBm 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3dBm 18 7 3 dBm 19 5 3 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 2 GSM TX power class ...

Page 5: ... IQ demodulator and Tx modulator are controlled by serial data to select channel and use fast lock mode for GPRS high class operation 5 OM5178 U100 This chip integrates two differential input LNAs The GSM input supports the E GSM DCS input supports the DCS1800 The LNA inputs are matched to the 200 ohm differential output SAW filters through eternal LC matching network Image reject mixer downconver...

Page 6: ...d talk times Supervisory functions including a reset generator an input voltage monitor and a temperature sensor support reliable system design These functions work together to ensure proper system behavior during start up or in the event of a fault condition low microprocessor voltage insufficient battery energy or excessive die temperature 1 2 Backlight Brightness Modulator The Backlight Brightn...

Page 7: ...r closed to the OM6357 This uses the hall effect IC A3210ELH A magnet under main LCD enables A3210ELH 2 5 EMI ESD Filter This system uses the EMI ESD filter EMIF09 to protect noise from IF CONNECTOR part 2 6 IF connetor It is 18 pin connector They are designed to use VBAT V_EXT_CHARGE TXD0 RXD0 RTS0 CTS0 JIG_REC CHARGER_OK RXD1 TXD1 AUX_MIC AUX_SPK and GND They connected to power supply IC micropr...

Page 8: ...nd 32M bits UtRAM It has 16 bit data line HD 0 15 which is connected to OM6357 and MV317S It has 23 bit address lines HA 1 23 CS_NAND and NCSRAM signals is chip select Wrting process HWR_N is low and it enables writing process to flash memory and SRAM During reading process HRD_N is low and it enables reading process to flash memory and SRAM Each chip select signals in the OM6357 select memory amo...

Page 9: ...burden In hence Tiger will allow the user to be able to display to LCD direct without burdening the main processor It also allows to have various kinds of display size on the LCD and snapshot for Jpeg Digital effect will also be executed on real time base resulting Tiger as being a video co processor in the mobile platform Also an i80 type processor s 16bit parallel interface of Tiger makes it ava...

Page 10: ...change without notice 3 SGH E700 Exploded View and its Parts list This Document can not be used without Samsung s authorization 3 1 1 Cellular phone Exploded View 1 2 3 4 5 10 11 12 8 9 13 14 15 17 18 20 22 23 24 25 27 19 16 7 6 21 26 ...

Page 11: ...3A 7 CAMERA GH59 00900A 8 FOLDER LOWER GH75 02917A 9 WINDOW LCD GH75 02919A 10 SCREW 6001 001811 11 SCREW CAP R GH73 01890A 12 SCREW CAP L GH73 01891A 13 FRONT COVER GH75 02912A 14 KEYPAD GH75 03646A 15 MAIN PBA GH92 01568A 16 DOME SHEET GH59 00901A 17 VOLKEY FPCB GH59 00902A 18 CONNECTOR COVER GH73 01394A 19 MIC GH30 00045A 20 INTENNA GH42 00315A 21 SCREW 6001 001812 22 RF COVER GH73 01894A 23 CA...

Page 12: ... Exploded view and its Part list This Document can not be used without Samsung s authorization 3 3 3 Test Jig GH80 01909A 3 1 RF Test Cable GH39 00172A 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 ...

Page 13: ...647 LED607 0601 001819 LED604 0601 001819 LED606 0601 001819 LED609 0601 001819 LED610 0604 001261 IRD600 0801 002237 U300 0801 002529 U411 0801 002882 U305 0801 002882 U202 0801 002882 U201 SEC CODE Design LOC 1001 001253 U602 1009 001010 U600 1109 001280 UME300 1201 001954 PAM100 1202 001036 U604 1203 002076 U304 1203 002824 U101 1203 002980 U501 1204 001960 U301 1205 002264 U100 1205 002276 UCP...

Page 14: ...2 R308 2007 000162 R310 2007 000162 R311 2007 000162 R313 2007 000162 R317 2007 000162 R318 2007 000162 R500 2007 000162 R501 2007 000162 R502 2007 000162 R503 2007 000162 R601 SEC CODE Design LOC 2007 000162 R602 2007 000162 R620 2007 000162 R200 2007 000171 R304 2007 000171 R403 2007 000171 R404 2007 000171 R604 2007 000171 R606 2007 000171 R124 2007 000172 R203 2007 000172 R202 2007 000242 R607...

Page 15: ...1 R204 2007 007008 R109 2007 007008 R108 2007 007009 R123 2007 007014 R302 2007 007014 R300 2007 007100 R401 2007 007100 R314 2007 007156 R506 2007 007334 R624 2007 007334 R508 SEC CODE Design LOC 2007 007480 R625 2007 007573 R505 2007 007588 R116 2007 007588 R128 2007 007588 R507 2007 007981 R623 2007 008312 R622 2203 000233 C123 2203 000233 C124 2203 000233 C125 2203 000233 C130 2203 000233 C131...

Page 16: ...5 C117 2203 000628 C136 2203 000628 C143 2203 000628 C144 2203 000679 C301 2203 000812 C100 2203 000812 C106 2203 000812 C121 2203 000812 C203 2203 000812 C208 2203 000812 C626 SEC CODE Design LOC 2203 000812 C702 2203 000812 C703 2203 000812 C704 2203 000812 C705 2203 000812 C706 2203 000812 C707 2203 000812 C708 2203 000812 C709 2203 000812 C710 2203 000812 C711 2203 000812 C712 2203 000812 C713...

Page 17: ...1 C214 2203 005061 C215 2203 005061 C216 2203 005061 C217 2203 005061 C218 2203 005061 C219 2203 005061 C303 2203 005061 C304 2203 005061 C307 2203 005061 C313 2203 005061 C400 SEC CODE Design LOC 2203 005061 C401 2203 005061 C403 2203 005061 C500 2203 005061 C605 2203 005061 C606 2203 005061 C611 2203 005061 C204 2203 005061 C205 2203 005061 C150 2203 005065 C422 2203 005065 C111 2203 005065 C139...

Page 18: ...C427 2404 001151 C141 2404 001151 C142 2703 001709 L108 2703 002198 L107 2703 002199 L100 2703 002201 L105 2703 002205 L106 2703 002370 L102 2703 002519 L101 2703 002586 L104 2703 002597 L702 2703 002597 L701 2703 002597 L700 2703 002608 L103 2801 004025 OSC400 2801 004285 OSC300 2806 001305 VCO100 2806 001310 VCO101 SEC CODE Design LOC 2809 001271 OSC100 2901 001246 U500 2904 001417 F100 2904 001...

Page 19: ...E QUADBAND PAM RF3140 10X10 GSM Pout 36 0 dBm Eff 45 DCS Pout 34 5 dBm Eff 40 Discrete 3rd Order Loop Filter IFVCO PFD PMU VDD1 1 35V min 2 95Vmax 150mA VBAT 3 6V typ 3 0V min RF1_VDD RF2_VDD RF1_VDDS RF2_VDDS HVS VDD2 1 35V min 3 45V max 150mA VDD3 1 35V min 3 45V max 100mA VDD4 1 35V min 3 45V max 150mA AVDD 1 35V min 2 65V max 100mA VCC_RX_TX 2 7V 100mA VCC_SYN 2 7V 100mA VCC_RF_VCO 2 7V 100mA ...

Page 20: ...it Li Ion Battery Slim Standard OM6357 VIBRATOR SYSTEM CLOCK 13MHz RTC_CLOCK 32 768KHz KEY_BOARD RECEIVER MIC LCD RF INTERFACE VCC_RX_TX VCC_RF_VCO VCC_TX_BURST PMU VCC_SYN Serial Data Interface I O Interface A D Interface BB INTERFACE MELODY IC 40 Poly SPEAKER FLASH 256M bit VDD1 VDD2 VDD3 VDD_VIB MIC_BIAS VCC_CP VDD_KEY VDD_AMP AVDD AVDD_TEMP SIM CARD SRAM 32M bit MV317S 2 Base Band Solution Blo...

Page 21: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 SGH E700 PCB Diagrams 6 1 1 Main PCB Top Diagram ...

Page 22: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 6 SGH E700 PCB Diagrams 6 2 2 Main PCB Bottom Diagram ...

Page 23: ...re 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 OSC400 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 C133 13MHz Check the clock generation circuit related to OSC101 No Yes Check the initial operation Y...

Page 24: ... VSS10 G7G8 VSS11 VSS12 A2 B8 SIMIO SIMSCN A1 SIMSC P B1 SIMVBAT B2 SLPMOD D10 TM H5 J5 VBACK G9 C1 RST D9 RSTO SCL E3 SD A F2 SEL12RB E9 SEL3RB H4 SIMCLK C6 SIMGND F10 E8 RF1SW S RF1VDD G10 RF1VDD S F9 RF2SNS H9 RF2SW S E10 RF2VDD H10 RF2VDD S J10 RFVBAT ONKEY K8 OSC32I K9 OSC32O REC1 K1 REC2 J2 REC3 K2 REFC H8 REFGND K6 RF1SNS D8 C10 IN T IO D2 ISUPA H6 ISUPD J4 MICBIAS J6 NC 1 NC 2 H3 HFAVBA T ...

Page 25: ...Troubleshooting 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 U305 pin 4 6 memory CE OK Yes Yes No Check the U305 Check the circuit around LCD U305 Short or not solder Yes ...

Page 26: ...3 HA4 N3 K5 HA5 HA6 M3 P2 HA13 HA14 J2 J5 HA15 HA16 K3 J4 HA17 HA18 K4 K2 HA19 HA2 P3 P6 N8 GPIO 9 GPON 1 L10 GPON 2 N9 M4 HA1 HA10 N1 L2 HA11 HA12 L1 M2 GPIO 1 K9 GPIO10 K8 GPIO 2 L8 GPIO 3 M9 GPIO 4 P7 L7 GPIO 5 GPIO 6 L9 N7 GPIO 7 GPIO 8 N4 CS_N 0 CS_N 1 G5 M5 CS_N 2 CS_N 3 G3 B5 CTS0_N A11 EARN EARP B10 M12 GPIO 0 BU Z CCLK E10 CD I D8 E9 CD O D9 CEN CKI P11 P13 CKI32I CKI32O P14 AUXSP A10 G10...

Page 27: ...ut Samsung s authorization 7 5 3 Charging Part Check the U501 pin 4 4 9V Abnormal charging part END No Yes U501 pin 5 H No Yes TR500 pin 1 CHG_ON L No Yes Check the U501 pin 3 4 2V No Yes Check the the circuit related to V_EXT_CHARGE Resolder or replace U501 Check the circuit related to CHG_ON signal Resolder or replace U501 Yes ...

Page 28: ...hart of Troubleshooting 7 6 Charging END_OF_CHARGE MES_BATT CHG_O N CHARGER_O K U501 LTC4054XES5 4 2 3 BAT GND 2 5 PRO G VCC 4 _CHRG1 V_EXT_CHARGE 3 D2 2 TR501 FDG6301N D1 6 R507 VDD2 R510 C502 1UF 10V G1 5 G2 S1 1 4 S2 R506 1 2K 1 8K 1 270K R511 180K TR500 BCR133T 1 3 2 330K 1 180K 270K R509 C501 NC R512 R504 VBAT R508 200K 1 R505 ...

Page 29: ...be used without Samsung s authorization 7 7 4 Sim Part SIM400 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 SIM400 pin3 in a few second Yes No Replace PBA After SIM card insert SIM400 pin 2 H SIM_RST Yes ...

Page 30: ...Samsung s authorization SGH E700 Flow Chart of Troubleshooting 7 8 5 Microphone Part Check the connection from MIC Check the circuit from UCP200 to MIC Resolder MIC Resolder the R604 R606 R603 R607 C606 and C611 END No Yes Yes Yes Yes No Check the MIC No Replace the MIC Microphone does not work ...

Page 31: ...can not be used without Samsung s authorization 7 9 Close to MCP Close to microphone MICROPHONE R607 10K 1 5K MIC_N MIC_P 5PF 1 8PF VR600 C601 10PF 12PF 10PF C612 MIC MIC600 1 2 C600 C606 MIC_BIAS C611 100NF 1 5K 47PF C607 R605 C613 5PF C602 100NF 0 R604 C609 C608 10PF C614 12PF 0 R606 R603 NC C610 Microphone ...

Page 32: ...lody 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 U300 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 ...

Page 33: ...K M_LED TC7SH04FU TE85L 100NF C307 HA 1 MELODY_C S AMP_N 1 2K 2 2K R307 330 R301 1NF VDD2 51K R302 10V 1UF C306 C300 100PF 1 2NF 100NF C303 U300 GND 3 IN 2 NC 1 OUT 4 VCC 5 3 3K R303 R306 220NF SPOUT 1 SPOUT 2 18 15 SPVDD SPVSS 16 7 VDD 9 VREF 8 VS S CS 29 3 HPOUT L MONO 10 11 HPOUT R IOVDD 32 LED 2 19 MTR 5 NC PLLC 6 17 D2 D3 24 23 D4 D5 22 21 D6 D7 20 EQ 1 12 13 EQ 2 EQ 3 14 YMU762 MA 3 U301 30 ...

Page 34: ...without Samsung s authorization SGH E700 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 ...

Page 35: ... 4 1 5V Resolder or replace U602 END No Yes Yes Receiver does not work HDC700 pin 40 42 1 5V Replace the HDC700 No Yes Is Receiver working Replace the Receiver No Yes No Resolder or replace U602 Yes No Resolder EAR600 EAR600 pin 2 3 short Yes EAR600 pin 2 3 6 1 5V No Resolder EAR600 Yes Check the soldering of the spaeaker wire No Modufy the speaker wire soldering Yes U602 pin 12 15 1 5V ...

Page 36: ...ion SGH E700 Flow Chart of Troubleshooting 7 14 9 Back Light for Color Main LCD Is LCD Contrast set on high level in the Menu Set LCD Contrast on high level END No Yes Yes Backlight does not work HDC700 pin 24 2 8V Check the R309 C316 No Yes HDC700 pin 19 L_WR is OK Check the U302 No Yes Yes Replace the LCD Module ...

Page 37: ...GH E700 Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 7 15 10 Key Back Light U601 pin 5 H Check the PMU related to VDD_KEY END No Yes Yes Key Backlight does not work U601 pin 2 3 H No Resolder or replace U601 Yes ...

Page 38: ...oubleshooting 7 16 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 3 27MHz No Check OSC300 and R314 Yes HDC700 pin 24 2 8V Yes No Check the R309 C316 Is there another problem END Replace the camera module Yes ...

Page 39: ...RF input CH center freq 67 7kHz Amp 50dBm Check F101 pin11 L pin2 L F101 pin10 65dBm F100 pin1 70dBm U100 pin5 6 7 8 1V U100 pin33 70dBm pin34 70dBm Check ANT Switch control circuit Resoder F101 Resolder F100 C106 L102 Resolder L101 C105 C107 Check U100 pin26 RF freq 2 100kHz 30dBm Check Resolder U100 C121 R110 RF13MHz RF PSU Part Resolder U100 R101 R102 R105 R106 1V Yes Yes Yes Yes Yes Yes Yes Ye...

Page 40: ... PAM100 pin9 20dBm VCO101 pin1 8dBm PAM100 pin7 11dBm Change or Resolder F101 Check ANT Switch control circuit Resolder L105 C114 Resolder R107 R108 R109 U100 pin5 6 7 8 500mV Yes Check PAM100 VBATT pin4 7 OK Resolder or Change PAM100 Check VBATT or PAM control signal Check U100 pin 26 20dB pin11 2V OK Check Resolder RFLO signal RF13MHz RF PSU Part No No No No No No No No Yes Yes Yes Yes Yes Yes Y...

Page 41: ...input CH center freq 67 7kHz Amp 50dBm Check F101 pin11 L pin2 L F101 pin1 65dBm F102 pin1 70dBm U100 pin5 6 7 8 1V U100 pin35 70dBm pin36 70dBm Check ANT Switch control circuit Resoder F101 Resolder F102 C112 L104 Resolder L103 C110 C113 Check U100 pin26 RF freq 2 100kHz 30dBm Check Resolder U100 C121 R110 RF13MHz RF PSU Part Resolder U100 R101 R102 R105 R106 1V Yes Yes Yes Yes Yes Yes Yes Yes No...

Page 42: ... PAM100 pin11 13dBm VCO101 pin5 12dBm PAM100 pin1 15dBm Change or Resolder F101 Check ANT Switch control circuit Resolder L106 C115 Resolder R100 R103 R104 U101 pin5 6 7 8 500mV Yes Check PAM100 VBATT pin4 7 OK Resolder or Change PAM100 Check VBATT or PAM control signal Check U100 pin 26 20dB pin11 2V heck Resolder RFLO signal RF13MHz RF PSU Part No No No No No No No No Yes Yes Yes Yes Yes Yes Yes...

Page 43: ... OSC100 TCO 9141 C137 100PF R118 560 1UF C139 100PF C131 R109 300 10NF C148 100PF C146 C145 47PF VCC_RX_TX PAM_VCC 33PF C106 VC_DCS VCC_RX_TX VCC_RE F 33PF C121 C128 3 3NF C105 18P F 1NF C108 33nH L105 R100 12 330 1U F R127 C111 VCC_SYN 33K R125 21 SYNON 23 SYNVC C 3 TSTO 40 TXCPGND 1 TXCPO 2 TXCPVC C 10 TXON 38 TXRFI 37 RFGND3 25 RFLOGND 26 RFLOI A 27 RFLOI B 28 RFLOVC C 31 RFVC C 9 RXON 24 SYNGN...

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