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4-8
4. Troubleshooting
4-5. No Video (HDMI)
Symptom
The LED power turns on but the screen is blank when the HDMI cable is connected.
-
Major
checkpoints
Check the HDMI cable connections.
Check whether the LVDS cable is connected correctly to the panel.
Check whether the lamp connector of the panel is connected correctly to the IP board.
-
-
-
Diagnostics
IC203
CN103
CN400
IC203
Yes
Check IP board
No
Does led persists green light after
power on?
Dose proper 5V appear at pin No. 18
of CN103?
Check HDMI cable connection
No
Yes
Does proper signals appear at pin
No.15(SCL) and No.16(SDA) of
CN103?
Change IC302
No
Yes
Does proper clock signals appear at
pin NO.6 and NO.7 of IC203?
Change IC203
No
8
Yes
Does proper clock signals appear at
pin NO.11,12,23,24 of CN400?
No
Change main board
because of scaler problem
Yes
Check connection between main board
and panel. Change Panel.
9
Caution
Make sure to disconnect the power before working on the IP board.
Содержание SyncMaster 2032MW
Страница 27: ...5 20 5 Exploded View Part List Memo ...
Страница 34: ...4 3 4 Troubleshooting 4 2 1 Circuit diagrams and waveforms when the power does not turn on 1 2 3 ...
Страница 38: ...4 7 4 Troubleshooting 4 4 1 Circuit diagrams and waveforms DVI when no screen is displayed on the monitor 6 7 ...
Страница 40: ...4 9 4 Troubleshooting 4 5 1 Circuit diagrams and waveforms DVI when no screen is displayed on the monitor 8 9 ...
Страница 54: ...7 5 7 Schematic Diagram 7 2 Schematic Diagrams 7 2 1 Power ...
Страница 55: ...7 6 7 Schematic Diagram ...
Страница 56: ...7 7 7 Schematic Diagram ...
Страница 57: ...7 8 7 Schematic Diagram 7 2 2 PC Input ...
Страница 58: ...7 9 7 Schematic Diagram 7 2 3 DVI HDMI Input ...
Страница 59: ...7 10 7 Schematic Diagram 7 2 4 DDC ...
Страница 60: ...7 11 7 Schematic Diagram 7 2 5 TMDS Switch PI3HDMI412FT ...
Страница 61: ...7 12 7 Schematic Diagram 7 2 6 Component Ext RGB ...
Страница 62: ...7 13 7 Schematic Diagram 7 2 7 AV S Video ...
Страница 63: ...7 14 7 Schematic Diagram 7 2 8 Tuner SCALER IC300 ...
Страница 64: ...7 15 7 Schematic Diagram 7 2 9 Scaler MST67889 ...
Страница 65: ...7 16 7 Schematic Diagram 7 2 10 Audio Processor TDA7266 ...
Страница 66: ...7 17 7 Schematic Diagram 7 2 11 Audio AMP ...
Страница 67: ...7 18 7 Schematic Diagram 7 2 12 Function LVDS EEPROM ...
Страница 68: ...7 19 7 Schematic Diagram 7 3 Schematic Diagram This Document can not be used without Samsung s authorization ...
Страница 69: ...7 20 7 Schematic Diagram This Document can not be used without Samsung s authorization ...
Страница 70: ...7 21 7 Schematic Diagram This Document can not be used without Samsung s authorization ...
Страница 71: ...7 22 7 Schematic Diagram This Document can not be used without Samsung s authorization ...
Страница 72: ...7 23 7 Schematic Diagram This Document can not be used without Samsung s authorization ...
Страница 73: ...7 24 7 Schematic Diagram Memo ...
Страница 93: ...5 20 5 Exploded View Part List Memo ...