{861} 1000 Watt Audio Power Amplifier Repair

{861} 1000 Watt Audio Power Amplifier Repair - Step by Step - Part 2. in this video i demonstrated how to repair car 4 channel audio power amplifier preamplifier section.
part 1 of this video https://youtu.be/cD1c4wKCcVY
part 2 of this video https://youtu.be/-bk-pCjH-bw
it takes 12 volt from car battery, remote on command from the car stereo player, it converts battery 12 volt to + / - 25 volt to 35 volt. then it provides amplified power signal to drive the car speakers, woofers, subwoofers.in this session i explained troubleshooting procedure to check audio preamplifier and equalizer (bass booster) section. it uses TL082 and TL084 operational amplifier ICs to amplify the signal and provides low pass and high pass filters to increase or decrease bass and output power

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00:00 how to troubleshoot car subwoofer power amplifier
01:52 how to troubleshoot power section of car audio power amplifier
03:13 hot to troubleshoot preamplifier stage of car audio power amplifier
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