Download K550i, K550c & K550im Schematics in PDF Format
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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: Vibrator……………………………………………………………………..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
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: Vibrator……………………………………………………………………..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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