Sharp SGH-C130 manual Dcs Tx, Continuous TX on Condition

Page 56

Flow Chart of Troubleshooting

10-2-4. DCS TX

PAM100 pin12

NO

PAM100

NO

U107

: about 2~3

 

 

 

pin6 : 2.8 V?

 

check & change

 

dBm?

 

 

 

 

 

YES

YES

check&changeC199,RFS100

PAM100

 

NO

BATTERY

pin7 : 3.7

V?

 

 

check & change

 

 

 

 

 

CONTINUOUS TX ON CONDITION

CH : 698CH(DCS)

TX POWER CODE: 520 CODE Aplied

RBW : 100KHz

VBW : 100KHz

SPAN : 10MHz

REF LEV. : 10dBm

ATT. : 20dB

 

YES

 

 

 

 

PAM100

NO

R118

 

 

 

 

 

pin 8 : 1.6V ?

 

Check

 

 

YES

 

 

 

NO

PAM100 pin1

 

 

 

 

about : -5dBm

 

 

 

 

?

 

 

 

 

YES

 

 

 

 

PAM100

NO

 

 

 

pin 4 : 0V?

 

 

 

 

YES

 

 

 

 

PAM100

U107

 

 

 

change or resolder

check

 

 

 

NO

U102

 

 

 

pin12,13,25,26,

 

 

28 : 2.8V ?

 

 

 

 

 

YES

 

 

 

 

 

U102

NO

 

U107

pin30,31 :

 

pinA13,C172

26MHz ?

change or resolder

Vp-p : 950mV?

 

 

 

 

 

YES

 

 

 

NO

U102

 

 

 

 

pin4,5,6,7:100m

 

 

 

 

V?

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

OSC100 change or resolder

U107

change or resolder

10-22

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Image 56
Contents GSM Telephone Contents Reference data Safety Precautions Repair PrecautionESDElectrostatically Sensitive Devices Precaution Specification GSM General SpecificationGSM TX power class TX Power GSM900 Control levelProduct Function Main FunctionArray course control Downloading Binary Files Pre-requsite for DownloadingS/W Downloader Program Samsung Proprietary-Contents may change without notice Select theFlash&Verify Browse Case of C130 the reserved regions are -0x00fc0000 0x00ffffff#5002*8376263# Exploded View and Parts List Cellular phone Exploded ViewCellular phone Parts list BAG PE Disassembly and Assembly instructions DisassemblyHolding Front and pushing KEA PAD Assembly Assemble the LCD on the PCB Check Polarity Check the point Locking Screw up the Rear at 4 Points Main Electrical Parts List StatusChip CER,CHIP 2203-000254 R117 CER,CHIP SNA TA,CHIP Block Diagrams Block Diagrams PCB Diagrams PCB Diagrams Flow Chart of Troubleshooting Power onFlow Chart of Troubleshooting 10-2 10-3 10-4 Initial ENDFlow Chart of Troubleshooting 10-6 10-7 Sim Part ② ③ Microphone Part Flow Chart of Troubleshooting 10-11 Receiver Part Speaker PartFlow Chart of Troubleshooting 10-13 10-14 10-15 10-2.RF Egsm RX① ③ DCS RX 10-19 Egsm TX U107Flow Chart of Troubleshooting 10-21 DCS TX Continuous TX on ConditionFlow Chart of Troubleshooting 10-23 MAP001 Reference data Reference AbbreviateCode No. GH68-10807A 2006 . Rev.1.0