LG KE990 Service Manual - Page 117

Camera trouble

Get LG KE990 - LG Viewty Cell Phone 100 MB PDF manuals and user guides View all LG KE990 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 117 highlights

4. TROUBLE SHOOTING 4.12 Camera trouble Camera control signals are generated by ZORAN (Multimedia Chip) and directly connected with ZORAN. KE990 has a 5 Mega Camera. 5M START Check the ca mera conn. and rec onnect the camera Yes Camera is OK? NO NO ZORAN outp ut sign al ch eck (MMP_CAM_RESET_N, MMP_CAM_PWR_EN)) End Yes Check CA M_VDD_CORE_1.2V, CAM_VDD_AF_2.7V, CAM_VDD_SA_2,7V CAM_VDD_IO_2.7V, CAM_VDD_SD_1.8V NO Change the LDO (U601, U602, U701, U900, U901) Yes Check master clock 5M_CAM_MCLK (CN600) Yes Check MMP_ CAM_PCLK (CN600) No NO Change t he Analo g Switc h (U604, U607) Yes No Check t he EMI/ESD filter (FL600, FL601) Yes Chang e th e camera Change th e Filte r Camera is OK Yes End NO Chang e th e Main bo ard LGE Internal Use Only - 118 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

  • 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
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 118 -
4.12 Camera trouble
Camera control signals are generated by ZORAN (Multimedia Chip)
and directly connected with ZORAN.
KE990 has a 5 Mega Camera.
Check CA M_VDD_CORE_1.2V,
CAM_VDD_AF_2.7V, CAM_VDD_SA_2,7V
CAM_VDD_IO_2.7V, CAM_VDD_SD_1.8V
No
Camera is OK?
Check the ca mera conn. and
reconnect the camera
Change the LDO (U601, U602, U701, U900, U901)
Camera is OK
Check MMP_CAM_PCLK
Change the camera
Yes
NO
NO
Yes
(CN600)
Chang e th e Main bo ar
d
End
Yes
End
NO
5M START
ZORAN outp ut sign al check
(MMP_CAM_RESET_N, MMP_CAM_P
WR_EN))
Yes
NO
Check master clock
5M_CAM_MCLK
(CN600)
Yes
Change the Analog Switch (U604, U607)
NO
Yes
Check the EMI/ESD filter
(FL600, FL601)
Yes
No
Change the Filter