KONZERT AV-502 || MALAKAS ANG UGONG SA LEFT CHANNEL
16:35
konzert 502B amplifier ‼️ may ugong ang isang channel , ito ang solution
28:34
KONZERT AV-502 Half channel problem , May 47volts na dco , step by step tutorial
29:16
Konzert amplifier sobrang bilis daw uminit at namatay matay ang relay
30:56
Konzert AV-502B Upgrade Malakas Pa Sa AV-502H Panoorin? #share #repair #konzert #upgrade
13:26
Amplifier DC-OUT Repair done using 2 Resistors
28:21
KONZERT AMPLIFIER 502!!! BASAG TUNOG PA ANO AYUSIN!!!
27:46
KONZERT AV502B , MAY DCO NA 3.5VOLTS , NAHIRAPAN AKO HANAPIN ANG SIRA
24:12