4 Troubleshooting
4-2
4-2-1 No Power
4-2 Checkpoints by Error Mode
Does proper DC
A3.3V,A1.8Vappear at C126,
C156?
Check IC104, IC107 Change the
Main Ass'y
Yes
Yes
Yes
No
Check a connection a power cable.
P/N : BN39-00802A
BN39-00802B(40")
Change the Main Power Ass'y
23" : BN44-00158A
26" : BN44-00156A
32" : BN44-00156A
40" : BN44-00167A/00165A
No
Does proper DC
B9V,B3.3V_8202/B3.3VD,
B2.5V_8202 appear at
C103,C132, C145?
Check a IC809, IC802.
Change a main PCB ass'y.
Yes
No
Does proper DC 5V, 3.3V,
1.8V appear at C811, C853,
C833?
Check IC101, IC105, IC106 Change the
Main Ass'y
Yes
Does proper DC B3.3FB,
B1.2FB, B1.8VD appear at
C179_FBE, C182_FBE, C159?
Check IC110_FBE, IC111_FBE, IC109
Change the Main Ass'y
No
No
Yes
Yes
Does proper DC B3.3VD
appear at D8014?
Check IC8001
Change the Main Ass'y
No
A power is supplied to set?
Check a other function(No picture part)
Replace a LCD Panel
23" : BN07-00365A
26" : BN07-00254A
32" : BN07-00385A
40" : BN07-00387A
No
LAMP off, power indicator
LED red color?
Does proper Satand-By DC
A5V appear at C127
Does proper Main DC B12V,
B5V, B12VS appear at C104,
BD105, C119?
Does proper Inverter DC 24V
appear at CNM801 in SMPS
Содержание LN23R71BAX
Страница 22: ...3 Alignments and Adjustments 3 11 Picture 4 3 W B Patten ...
Страница 29: ...4 Troubleshooting 4 4 WAVEFORMS 1 2 PC Input V Sync H Sync 3 LVDS Out CLK ...
Страница 31: ...4 Troubleshooting 4 6 4 5 HDMI Input CLK WAVEFORMS ...
Страница 33: ...4 Troubleshooting 4 8 WAVEFORMS 6 Tuner CVBS Out Pattern Grey Bar ...
Страница 35: ...4 Troubleshooting 4 10 WAVEFORMS 7 TS DATA Out CLK DATA 0 8 Eagle Out CLK H Sync ...
Страница 38: ...4 Troubleshooting 4 13 WAVEFORMS 9 S VIDEO Input Y C ...
Страница 40: ...4 Troubleshooting 4 15 WAVEFORMS 10 Component Input Y Pb ...
Страница 42: ...4 Troubleshooting 4 17 WAVEFORMS 11 Audio Input Sign Wave 12 12S Input CLK DATA 13 Audio Amp Out Sign Wave ...
Страница 47: ...5 Exploded View Parts List 5 5 5 6 LN32R71BAX Exploded View T0003 T0175 T0175 M0215 T0447 M0014 M0013 M0027 ...
Страница 117: ...7 Block Diagrams 7 1 7 Block Diagram This Document can not be used without Samsung s authorization ...
Страница 126: ...9 Schematic Diagrams 9 2 This Document can not be used without Samsung s authorization 9 2 Sound Schematic Diagram ...
Страница 127: ...9 Schematic Diagrams 9 3 This Document can not be used without Samsung s authorization 9 3 SIDE_AV Schematic Diagram ...
Страница 128: ...9 Schematic Diagrams 9 4 This Document can not be used without Samsung s authorization 9 4 HDMI_INPUT Schematic Diagram ...
Страница 132: ...9 Schematic Diagrams 9 8 This Document can not be used without Samsung s authorization 9 8 SOUND_AMP Schematic Diagram ...
Страница 133: ...9 Schematic Diagrams 9 9 This Document can not be used without Samsung s authorization 9 9 F B E 2 Schematic Diagram ...
Страница 137: ...10 Operating Instructions and Installation 10 3 10 3 Remote Control ...
Страница 144: ...12 PCB Diagram 12 1 12 PCB Diagram 12 1 Main PCB Diagram ...
Страница 145: ...12 PCB Diagram 12 2 12 2 Power PCB Diagram 23 ...
Страница 146: ...12 PCB Diagram 12 3 12 3 Power PCB Diagram 26 32 ...
Страница 147: ...12 PCB Diagram 12 4 12 4 Power PCB Diagram 40 ...
Страница 150: ...13 Circuit Descriptions 13 3 13 2 Main Block ...
Страница 161: ...14 Reference Infomation 14 7 14 3 2 Supported Modes 1 ...
Страница 162: ...14 Reference Infomation 14 8 14 3 3 Supported Modes 2 ...
Страница 163: ...14 Reference Infomation 14 9 14 3 4 Supported Modes 3 ...