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4-28
4. Troubleshooting
ADC RESULT
Factory Name
Mode
Range
AV / RF
Component HDMI / DTV /
HDMI-PC
PC
1st_AV_Gain
1st_AV_Offset
1st_Comp_Gain
1st_Comp_Gain_Cb
1st_Comp_Gain_Cr
1st_Comp_Offset
1st_Comp_Offset_Cb
1st_Comp_Offset_Cr
1st_PC_R_Gain
1st_PC_G_Gain
1st_PC_B_Gain
1st_PC_R_Offset
1st_PC_G_Offset
1st_PC_B_Offset
2nd_R_Offset
2nd_G_Offset
2nd_B_Offset
2nd_R_Gain
2nd_G_Gain
2nd_B_Gain
136
136
136
107
107
107
136
136
136
107
136
136
136
107
107
107
136
136
136
107
134
134
134
67
67
67
134
134
134
67
134
134
134
67
67
67
134
134
134
67
136
136
136
100
100
100
136
136
136
100
136
136
136
100
100
100
136
136
136
100
192
192
192
32
32
32
192
192
192
32
192
192
192
32
32
32
192
192
192
32
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
0 ~ 255
WB
Factory Name
Mode
AV
Component
HDMI / DTV
PC
Sub Brightness
R_Offset
G_Offset
B_Offset
Sub Contrast
R_Gain
G_Gain
B_Gain
Movie R Offset
Movie B Offset
Movie R Gain
Movie B Gain
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
128
512
512
512
Summary of Contents for LA22B450C4H
Page 185: ...1 4 1 Precautions Memo...
Page 201: ...4 5 4 Troubleshooting LVDS PC_RGB HV_Sync MAINBOARD BOTTOM...
Page 202: ...4 6 4 Troubleshooting WAVEFORMS 1 PC input V sink H sink R G B 2 LVDS output...
Page 204: ...4 8 4 Troubleshooting HDMI 2 HDMI 1 MAINBOARD TOP...
Page 205: ...4 9 4 Troubleshooting WAVEFORMS 3 HDMI input RX_Data RX_Clk 2 LVDS output...
Page 207: ...4 11 4 Troubleshooting B3 3V_PW Tuner_CVBS B5V_VCCT_PW MAINBOARD TOP...
Page 208: ...4 12 4 Troubleshooting WAVEFORMS 4 CVBS OUT Grey Bar 2 LVDS output...
Page 210: ...4 14 4 Troubleshooting TS_DATA B1 2V_PW B3 3V_PW B5V_VCCT_PW MAINBOARD TOP...
Page 211: ...4 15 4 Troubleshooting WAVEFORMS 2 LVDS output...
Page 213: ...4 17 4 Troubleshooting MAINBOARD BOTTOM...
Page 214: ...4 18 4 Troubleshooting WAVEFORMS 4 CVBS OUT Grey Bar 2 LVDS output...
Page 216: ...4 20 4 Troubleshooting MAINBOARD BOTTOM...
Page 217: ...4 21 4 Troubleshooting WAVEFORMS 5 Compnent_Y Gray scale Pb Pr Color bar 2 LVDS output...
Page 220: ...4 24 4 Troubleshooting WAVEFORMS 6 I2C Data 7 Speaker out...
Page 241: ...4 45 4 Troubleshooting Connecting the TV with STB SBB...
Page 259: ...4 63 4 Troubleshooting 4 10 PCB diagram...
Page 260: ...4 64 4 Troubleshooting...
Page 261: ...6 1 6 Wiring Diagram 6 Wiring Diagram 6 1 Wiring Diagram 26 32 37 40...