https://jestineyong.com Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Sat, 25 Apr 2026 07:33:57 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.23 https://jestineyong.com/defective-charger-spoiled-li-ion-battery-in-this-sarigama-caravan-sc-03/ https://jestineyong.com/defective-charger-spoiled-li-ion-battery-in-this-sarigama-caravan-sc-03/#comments Sat, 25 Apr 2026 07:33:55 +0000 https://jestineyong.com/?p=37200 This belonged to my school classmate and was brought to me with the complaint that there was no backup, though it worked very well. I have handled a similar set, a link of which is given below to avoid sharing another set of images, as the internal construction of both is same: https://jestineyong.com/saregama-caravan-sc-04-usb-fm-music-player-survived-floods/ I opened […]

The post Defective Charger Spoiled Li-ion Battery In This SARIGAMA CARAVAN SC-03 first appeared on Electronics Repair And Technology News.]]> https://jestineyong.com/defective-charger-spoiled-li-ion-battery-in-this-sarigama-caravan-sc-03/feed/ 10 https://jestineyong.com/saregama-caravan-sc-04-usb-fm-music-player-survived-floods/ https://jestineyong.com/saregama-caravan-sc-04-usb-fm-music-player-survived-floods/#comments Sat, 03 Aug 2024 12:17:49 +0000 https://jestineyong.com/?p=33168             This set was picked up by me on my recent visit to my relative staying about 18KM away, when I was returning from Hospital after completion of a review of my wife, who had an unfortunate attack of stroke about a couple of months back. As she was in […]

The post SAREGAMA CARAVAN SC-04 USB/FM Music Player Survived Floods!  first appeared on Electronics Repair And Technology News.]]> https://jestineyong.com/saregama-caravan-sc-04-usb-fm-music-player-survived-floods/feed/ 16 https://jestineyong.com/a-digital-audio-player-with-usb-broken-on-board-repaired/ https://jestineyong.com/a-digital-audio-player-with-usb-broken-on-board-repaired/#comments Sat, 05 Aug 2023 07:50:17 +0000 https://jestineyong.com/?p=30649             A man next door brought this digital audio player for repair and showed me the broken USB port on that board. That player is for his son and he wants it as soon as possible. The USB port is very close to the plastic socket and if I use […]

The post A Digital Audio Player With USB Broken On Board Repaired first appeared on Electronics Repair And Technology News.]]> https://jestineyong.com/a-digital-audio-player-with-usb-broken-on-board-repaired/feed/ 17 https://jestineyong.com/burnt-smd-8002a-sound-ic/ https://jestineyong.com/burnt-smd-8002a-sound-ic/#comments Fri, 28 May 2021 08:26:57 +0000 https://jestineyong.com/?p=25191 A customer of mine sent to me a device for repair that can support MP3, Radio and USB. The complaint was no sound but have power. Sound issues usually is related to bad speaker, speaker wires came off, improper or missing DC supply voltage to sound IC (audio amplifier IC),  bad sound IC, dry joints, […]

The post Burnt SMD 8002A Sound IC first appeared on Electronics Repair And Technology News.]]> https://jestineyong.com/burnt-smd-8002a-sound-ic/feed/ 7