Samsung SGH-C240 service manual.pdf

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PCB Diagrams Bottom 8-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without <strong>Samsung</strong>'s authorization
9. Flow Chart of Troubleshooting 9-1. Baseband 9-1-1. Power ON 'Power ON' does not work check the current consumption >= 100mA END Yes Check the Voltage of the Battery >= 3.3V Yes Check the pin C152, C153,C155,C168 of U107 is >=2.8V Yes Check the clock signal at pin #4 of OSC100 Freq=26Mhz, Vrms >=300mV Yes Check the Initial Operation Yes No No No 9-1 Download again Charge the battery Check "Power On" key? No No Check the clock generation circuit OSC100 check keypad Yes 1 check UCP200 and C200 2
Page 1 and 2: GSM TELEPHONE SGH-C240 GSM TELEPHON
Page 3 and 4: 9. Flow Chart of Troubleshooting CO
Page 5 and 6: Safety Precautions 1-2. ESD(Electro
Page 7 and 8: Speclflcation 2-2. GSM Tx Power Cla
Page 9 and 10: Product Function 3-2 SAMSUNG Propri
Page 11 and 12: Array course control 4-2. Software
Page 13 and 14: Array course control Up to twelve p
Page 15 and 16: Array course control 4-6 SAMSUNG Pr
Page 17 and 18: Exploded View/Disassembly&Assembly
Page 25 and 26: Electrical Parts List Design LOC De
Page 31: 8. PCB Diagrams Top 8-1 SAMSUNG Pro
Page 35 and 36: 9-1-2. Initial Initial Failure chec
Page 37 and 38: 9-1-3. Sim Part "Insert SIM" is dis
Page 39 and 40: 9-1-4.Microphone Part * Call with S
Page 41 and 42: 9-1-5. Speaker Part There is no sou
Page 43 and 44: 9-1-6. LCD Backlight Backlight does
Page 45 and 46: 4 5 9-13 4 3 Flow Chart of Troubles
Page 47 and 48: 4 5 9-15 4 1 3 Flow Chart of Troubl
Page 49 and 50: 9-2-3. GSM Tx 1 Check U101 pin 15 :
Page 51 and 52: 9-2-4. DCS Tx 1 Check U101 pin 15 :
Page 53 and 54: 10. Reference data Reference Abbrev
Page 55: This Service Manual is a property o

Samsung SGH-C240 service manual.pdf

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