Download K550i, K550c and K550im Schematics in PDF Format

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Sonyericsson K550i, K550c and K550im

TABLE OF CONTENTS:

1:  Introduction …………………………………………………………………..3
1.1:  K550…………………………………………………………………………..…………………………………………………………… 3
1.2:  K550 …………………………………………………………………………………………………………………………………………..4
1.3:  Equipment……………………………………………………………………5
1.4:  General cautions …………………………………………………………..6
2 : Disassembly ……………………………………………………………………7
2.1:  Overview ……………………………………………………………………..8
2.1.1:  Battery Cover & Battery………………………………………………..9
2.1.2:  Speaker Cover …………………………………………………………….11
2.1.3:  Front Cover ……………………………………………………………….12
2.1.4:  Keypad ……………………………………………………………………..14
2.1.5:  PCBA ………………………………………………………………………..15
3:  Replacements………………………………………………………………….16
3.1:  Battery Cover………………………………………………………………..17
3.2:  Speaker Cover ………………………………………………………………17
3.3:  Front Cover …………………………………………………………………17
3.4:  Keypad ……………………………………………………………………….17
3.5:  PCBA ……………………………………………………………………………………………………………………………………….17
3.6:  Back Cover…………………………………………………………………..17
3.7:  Co-brand Label ……………………………………………………………18
3.8:  RF Cap………………………………………………………………………..20
3.9:  rumble……………………………………………………………………..21
3.10:  Power Key …………………………………………………………………22
3.11: Volume Key………………………………………………………………..23
3.12:  Music Key…………………………………………………………………..25
3.13: Camera Key………………………………………………………………..27
3.14: Ear Speaker “Receiver” Tape…………………………………………..29
3.15: Ear Speaker “Receiver”………………………………………………….30
3.16: LCD ………………………………………………………………………………………………………………………………………..31
3.17: Frame ……………………………………………………………………………………………………………………………..……..35
3.18: Dome Assy………………………………………………………………….37
3.19: Loudspeaker……………………………………………………………….38
3.20: Flash LED / BT Antenna Frame………………………………………40
3.21: Flash LED……………………………………………………………………42
3.22: BT Antenna ………………………………………………………………..43
3.23: Shield Lid Main BB……………………………………………………….44
3.24: Camera ……………………………………………………………………..46
3.25: Antenna …………………………………………………………………….49
3.26: SIM Tape……………………………………………………………………51
3.27: Liquid Intrusion Indicator …………………………………………..52
3.28: KRH Label …………………………………………………………………53
4:  Reassembly …………………………………………………………………..54
4.1:  Overview ……………………………………………………………………55
4.1.1:  PCBA ………………………………………………………………………56
4.1.2:  Keypad …………………………………………………………………..57
4.1.3:  Front Cover …………………………………………………………….58
4.1.4:  Speaker Cover …………………………………………………………59
4.1.5:  Battery & Battery Cover…………………………………………….60
5  Revision history ……………………………………………………………62

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