Loewe Connect 22 SL - USB and Sound Issues; Standby On;Off and No Signal Problems

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5. 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.
6. 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.
7. 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 voltagemeter.
Also there may be a problem about SW. Try to update TV with latest SW.
TECHNISCHER KUNDENDIENST
15.6 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.
15.7 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.
15.8 No Signal Problem
Problem: No signal in TV mode.
Loewe Opta GmbH
96317 Kronach, Industriestr. 11
Telefon (0 92 61) 99-0
Telefax (0 92 61) 99-730
e-mail: hotel-service@loewe.de
www.loewe.de
Seite 23 von 24 Stand: 26.01.2012
TECHNISCHER KUNDENDIENST
15.6 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.
15.7 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.
15.8 No Signal Problem
Problem: No signal in TV mode.
Loewe Opta GmbH
96317 Kronach, Industriestr. 11
Telefon (0 92 61) 99-0
Telefax (0 92 61) 99-730
e-mail: hotel-service@loewe.de
www.loewe.de
Seite 23 von 24 Stand: 26.01.2012