Samsung SGH-J750 Service Manual Manual pdf 57 page image
Manuals database logo
manualsdatabase
Your AI-powered manual search engine

Samsung SGH-J750 Service Manual

Also see for SGH-J750: User guideUser guideQuick start guide

Page 1 previewPage 2 previewPage 3 previewPage 4 previewPage 5 previewPage 6 previewPage 7 previewPage 8 previewPage 9 previewPage 10 previewPage 11 previewPage 12 previewPage 13 previewPage 14 previewPage 15 previewPage 16 previewPage 17 previewPage 18 previewPage 19 previewPage 20 previewPage 21 previewPage 22 previewPage 23 previewPage 24 previewPage 25 previewPage 26 previewPage 27 previewPage 28 previewPage 29 previewPage 30 previewPage 31 previewPage 32 previewPage 33 previewPage 34 previewPage 35 previewPage 36 previewPage 37 previewPage 38 previewPage 39 previewPage 40 previewPage 41 previewPage 42 previewPage 43 previewPage 44 previewPage 45 previewPage 46 previewPage 47 previewPage 48 previewPage 49 previewPage 50 previewPage 51 previewPage 52 previewPage 53 previewPage 54 previewPage 55 previewPage 56 previewPage 57 previewPage 58 previewPage 59 previewPage 60 previewPage 61 previewPage 62 previewPage 63 previewPage 64 previewPage 65 previewPage 66 previewPage 67 previewPage 68 previewPage 69 previewPage 70 previewPage 71 previewPage 72 previewPage 73 previewPage 74 previewPage 75 previewPage 76 previewPage 77 preview
Contents
  1. Safety Precautions
  2. gsm general specification
  3. gsm tx power class
  4. Product Function
  5. Array course control
  6. software downloading
  7. Exploded View and Parts List
  8. cellular phone parts list
  9. MAIN Electrical Parts List
  10. Block Diagrams
  11. PCB Diagrams
  12. Flow Chart of Troubleshooting
  13. sim part
  14. speaker part
  15. microphone part
  16. key data input
  17. lcd back light
  18. camera part
  19. charging part
  20. gsm receiver
  21. gsm transmitter
  22. dcs receiver
  23. dcs transmitter
  24. pcs receiver
  25. pcs transmitter
  26. wcdma receiver
  27. wcdma transmitter
  28. Reference data
  29. Disassembly and Assembly Instructions
  30. assembly instructions
Samsung SGH-J750 Service Manual Manual pdf 57 page image
SAMSUNG Proprietary-Contents may change without noticeThis Document can not be used without Samsung's authorizationFlow Chart of Troubleshooting9-249-16. WCDMA TransmitterENDCheck UCP600Check VBAT or PAMcontrol signalNoChange or Resolder RFS100YesRFS100 pin19≥ 23dBm Resolder RFC100,C131,L103TX ON (5Level)VDD = H (2.5V),VC1,VC3 = 1.5VVC2, = 0RFS100 pin17≥ 23dBmDUF302≥ 23dBmPAM303 pin8≥ -5dBmCheck ANT Switchcontrol circuitResolder or Change C118YesCheck PAM303pin2,3,4,5,8 is ok? Resolder or Change PAM303NoNoNoNoYesYesYesYesNoYesNoYesF303 pin8≥ -5dBm Resolder or Change L310, L312
/ 77
Related manuals for Samsung SGH-J750
Samsung SGH-E750 Service Manual first page preview
Samsung SGH-E750 Service Manual
Samsung SGH-I750 Service Manual first page preview
Samsung SGH-I750 Service Manual
Samsung SGH-j700 Service Manual first page preview
Samsung SGH-j700 Service Manual
Samsung SGH-J600 Service Manual first page preview
Samsung SGH-J600 Service Manual
Samsung SGH-i550 Service Manual first page preview
Samsung SGH-i550 Service Manual
Samsung SGH-J200 Service Manual first page preview
Samsung SGH-J200 Service Manual
Samsung SGH-i450 Service Manual first page preview
Samsung SGH-i450 Service Manual
Samsung SGH-E350 Service Manual first page preview
Samsung SGH-E350 Service Manual
Samsung SGH-E950 Service Manual first page preview
Samsung SGH-E950 Service Manual
Samsung SGH-E350 Service Manual first page preview
Samsung SGH-E350 Service Manual
This manual is suitable for:
SGH-J750
Manuals database logo
manualsdatabase
Your AI-powered manual search engine