Samsung SGH-X550 Service Manual Manual pdf 48 page image
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Samsung SGH-X550 Service Manual

Also see for SGH-X550: User guideUser guide

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Contents
  1. Safety Precautions
  2. Specification
  3. gsm tx power class
  4. Operation Instruction and
  5. Array course control
  6. Exploded View/Disassembly
  7. cellular phone parts list
  8. disassembly and assembly instructions
  9. MAIN Electrical Parts List
  10. Block Diagrams
  11. sub lcd
  12. PCB Diagrams
  13. Flow Chart of Troubleshooting
  14. charging part
  15. sim part
  16. microphone part
  17. key data input
  18. receiver part
  19. key back light
  20. camera part
  21. gsm receiver
  22. gsm transmitter
  23. dcs receiver
  24. dcs transmitter
  25. pcs receiver
  26. pcs transmitter
  27. Reference data
Samsung SGH-X550 Service Manual Manual pdf 48 page image
SAMSUNG Proprietary-Contents may change without noticeFlow Chart of TroubleshootingThis Document can not be used without Samsung's authorization9-159-9. Back Light (for Color Main LCD)Is LCD Contrast set on highlevel in the Menu?Set LCD Contrast on high levelENDNoYesYesBacklight does not workU2(LCD MODULE) PIN 2 =H ?Check the inserting condition of CON TO CONResolder UCP300 or change PBANoYesU2 PIN 8 = 3.6V ? Check the U1 & the related circuitNoYesYesReplace the LCD Module
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This manual is suitable for:
SGH-X550
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