DAEWOO AGC-5220
Instrukcja Serwisowa

6 . TROUBLE SHOOTING GUIDE
AGC-5200,5220,5240,5260,5280
1. General Funtion
No sound from speaker MAIN CONN check
OK N.G OK

ACP-5200,5220,5240,5260,5280

Put exactly output Connector in SPEAKER check Electric volume Output check Power ic check

Power ic output check Power ic input B up voltage check B up voltage check
N.G N.G

OK OK

POWER ON

POWER ON KNOB Touch check
OK

N.G

Change the tact switch Check the Vdd Check the micom Vdd 5V

Check the front Vdd 5V Check the micom Vdd and OSC
OK

N.G N.G

LCD

LCD CONN. Touch check
OK

N.G

Change the LCD connector Front Vdd 5V Regulator check Check LCD driver IC Vdd

Check the front Vdd 5v
OK

N.G N.G

Check LCD data
OK

Change the LCD

2. Deck Funtion
CDP Check the deck Connector touch Deck voltage check Change the deck
OK OK N.G N.G N.G

Change the deck connector Check the deck Voltage regulator Check the deck Communication

3. USB / SD Function
USB / SD MODULE voltage check Check the touch with deck Check the communication line
19
OK OK N.G N.G N.G

Check the module voltage Operating after open the deck Change the module