LG KE600 Service Manual - Page 99

Checking Flow

Get LG KE600 - LG Cell Phone PDF manuals and user guides View all LG KE600 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 99 highlights

5. Trouble shooting Checking Flow Check a condition of Balun filter output(FL201) power by using Spectrum More than 0dBm No Yes Replace Bluetooth antenna (BT201) No Bluetooth Yes Working is good? Check a condition of power supply (C220-2.85V, C221-1.5V, C222-1.8V, C230-1.8V C201-2.72V, C202-2.8V) Yes condition is No good? Yes Check a condition of Clock (R207-32k, C635-26M) Replace U202 condition is good? Yes Check a condition of U202 soldering No Replace Main PCB Board Yes condition is good? Yes Replace Main PCB Board No No Finish Replace U202 Bluetooth Working is good? Yes - 100 -

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
Checking Flow
5. Trouble shooting
- 100 -
More than 0dBm
Replace Bluetooth antenna
(BT201)
No
Yes
Check a condition of
U202 soldering
Replace U202
No
Yes
Replace Main PCB Board
No
Yes
condition is
good?
condition is
good?
condition is
good?
Replace U202
Replace Main PCB Board
Yes
No
Check a condition of Clock
(R207-32k, C635-26M)
Check a condition of power supply
(C220-2.85V, C221-1.5V, C222-1.8V, C230-1.8V
C201-2.72V, C202-2.8V)
Check a condition of Balun filter
output(FL201) power by using Spectrum
Bluetooth
Working is good?
No
Finish
Yes
Bluetooth
Working is good?
No
Yes
Yes
Yes