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F. USB Problems
Problem:
USB is not working or no USB Detection.
Check USB Supply, It should be nearly 5V. Also USB Enable should be logic high.
G. No Sound Problem
Problem:
No audio at main TV speaker outputs.
Check supply voltages of VDD_AUDIO, 8V_VCC and 12V_VCC with a voltage-meter.
There may be a problem in headphone connector or headphone detect circuit (when
headphone is connected, speakers are automatically muted). Measure voltage at HP_DETECT
pin, it should be 3.3v.
H. Standby On/Off Problem
Problem:
Device can not boot, TV hangs in standby mode.
There may be a problem about power supply. Check main supplies with a voltage-meter. Also
there may be a problem about SW. Try to update TV with latest SW. Additionally it is good
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LC-40LS340
Содержание LC-40LS340E
Страница 27: ...11 c Absolute Ratings d Recommended Operating Conditions e Pin Functions 27 LC 40LS340 ...
Страница 29: ...13 Power Blocks on MB70 Below blocks are generated by step downs and regulators on MB70 board 29 LC 40LS340 ...
Страница 30: ...LC 32LE340 343 LC 40LE340 343 14 FAIRCHILD FAN2110 U19 U20 a General Description 30 LC 40LS340 ...
Страница 37: ...21 c BCM3556 Block Diagram 37 LC 40LS340 ...
Страница 46: ...LC 32LE340 343 LC 40LE340 343 30 b Pinning 46 LC 40LS340 ...
Страница 52: ...LC 32LE340 343 LC 40LE340 343 35 c Pinning 52 LC 40LS340 ...
Страница 57: ...39 15 LOW POWER CEC MICROCONTROLLER NEC uPD78F0503 Pinning 57 LC 40LS340 ...
Страница 59: ...b Block Diagram 59 LC 40LS340 ...
Страница 60: ...LC 32LE340 343 LC 40LE340 343 Figure 8 Pin Diagram 60 LC 40LS340 ...
Страница 74: ...LC 32LE340 343 LC 40LE340 343 57 Video Settings Audio Settings 74 LC 40LS340 ...
Страница 75: ...58 Options 1 Menu Options 2 Menu 75 LC 40LS340 ...
Страница 76: ...LC 32LE340 343 LC 40LE340 343 59 Tuner Settings Menu Source Settings Menu 76 LC 40LS340 ...
Страница 77: ...60 Diagnostic Menu 21 General Block Diagram 77 LC 40LS340 ...
Страница 78: ...LC 32LE340 343 LC 40LE340 343 NOTES 78 LC 40LS340 ...
Страница 100: ...LC 32LE340 343 LC 40LE340 343 NOTES 100 LC 40LS340 ...
Страница 121: ...NOTES 121 LC 40LS340 ...