4-33
4. Troubleshooting
Shop Option
Factory Name
Data
Range
Shop Mode
USB DEMO ON (SEC)
USB DEMO OFF (SEC)
Off
On / Off
Sound
Factory Name
Data
Range
FM Prescale
AM Prescale
Nicam Prescale
A2 M2S Threshold
A2 S2M Threshold
A2 PilotPhaseOn
A2 PilotPhaseOff
A2 Identon
A2 Identoff
A2 Carr1AmpOnThr
A2 Carr1AmpOffThr
A2 Carrier1SNRonThr
A2 Carrier1SNRoffThr
A2 Carr2AmpOnThr
A2 Carr2AmpOffThr
A2 Carrier2SNRonThr
A2 Carrier2SNRoffThr
Nicam Sig Error On
Nicam Sig Error Off
Compression mode
Dolby Test Mode
DTV Level
Master Vol
PWM Modulation
DRC1 Threshold
DRC2 Threshold
Speaker EQ
SC1 Vol
SC2 Vol
Audio Delay
SUB AMP Master Vol
SUB AMP PWM Mod
SUB DRC Thresh
SUB Speaker EQ
20
21
20
10
10
0
0
0
0
16h
14h
0
0
0
0
0
0
16h
14h
RF
OFF
0dB
1EH
FEH
12H
12H
On
16
16
60
Config Option
Factory Name
Data
Range
AV Number
SVIDEO Number
COMP Number
HDMI Number
SCART Number
DVI Number
HP Number
USB PORT
LNA SUPPORT
MFT OFFSET
1
0
2
2
0
0
1
Off
0 ~ 2
0 ~ 1
0 ~ 2
0 ~ 4
0 ~ 1
0 ~ 1
On / Off
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...