820-00239 board charger stuck at 5v-300mA then loops on/off. Why?

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🔵 We fix Macbooks & offer free estimates.

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👉 Below we list tools & recording gear we use, repair guides to help you learn, online chip sources, & donation links:

👉 BlackBerry, Oreo, & Clinton the cat's wish list

👉 CHIPS & COMPONENTS:

👉 TOOLS USED:

✓ Soldering Irons:

› Louis' Hakko station(no tweezers)

› Paul's Hakko station(works with tweezers)

› Micro Soldering Pencil

› Hot tweezers

› Atten ST862D hot air station

✓ CHEAP HAKKO ALTERNATIVES:

› TS100 soldering iron

› Recommended tipsTSC4TSKU

✓ Preferred Soldering Tips

› GPU wicking

› Micro soldering tip

✓ Microscopes:

› Microscope

› Barlow lens

› LED light

› CHEAP alternative microscope

✓ Soldering/Repair Supplies:

› Desoldering braid

› Solder paste

› THICK insulated jumper wire

› THIN insulated jumper wire

› Kapton tape

› Freeze Spray

› Conformal coating

› Conformal coating curing pen

✓ Diagnostic tools:

› USB amp meter

› USBC amp meter

› OnScreen multimeter

› Multimeter Probes

› CHEAP multimeter

› Bench PSUCSI3005P

› Phoneboard

› Boardview software

✓ Ultrasonic Cleaning:

› ALL MACBOOKS & CELLPHONESCrest P1200H45

› PRETOUCHBAR MACBOOKS & CELLPHONESCrest P500H45

› CELLPHONES ONLYCrest P230H45

› Branson EC cleaning fluid

✓ Desk supplies:

› Fume Extractor

› Durable lightning cable

› Fine tipped snippers

✓ Screwdrivers:

› iPhone bottom screw

› Macbook bottom screw

› Phillips #0

› Phillips #000

✓ RECORDING EQUIPMENT:

› Overhead cam

› Microscope cameramine is DISCONTINUED, closest one I can find.

› HDMI capture

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