How to Repair Circuit Board (PCB) Without Schematic Diagram

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Troubleshooting electronic parts without schematic diagram.

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This is a really worthwhile video and I have watched it a couple of times. I like your methodology and logical steps! Thank You! 🙂👍

jivepatrol

I absolutely have a basic repair manual, pcm repair and dashboard. Can you help me?

sutornpasawad

Iam now confident of board without schematics. You are confident as you are wise. Waiting for your next videos.
THANKS.

thomasabraham

the sounds effects are very misleading (and additionally often used in wrong situations). and shouldn't be louder than your voice ... just leave them out. otherwise very good video.

nadvic

Great video.
Question, I'm replacing my ebike motor pcb board.

The replacement has 7 holes/copper rings for wiring. Bu my original has 6 - 5V, GND, SP, H1, H2, and H3.

The replacement has an additional ring for wiring labeled "K". What does K stand for in this case? Keyswitch, ohms, resistance? Can't find any information or diagrams online.

And if I solder/connect the "regular" wires, will I have a problem if I leave "K" unsoldered?

No info online + could use the help.

/bklyn 👑

robertmotion

hi hello my friend thank you for sharing your video my friend I'm full watching your repair methood#4

dodskolokoy

very helpful to people that not have knowledge on computer

danborgstv

New learn aabangan q lahat ng video mo.maraming matututunan. Salamat.god bless

rejzrivo

How to repair cercuit board. Nice tutorial and very informative. Thank you for sharing my friend. Here to support

LauraEcita

I was really excited because I thought I found a video of actual substance. And then the Audio/Visual effects. It was like nails on a chalk board. If you ever update video or remove noises and “art”, please let me know. I really want to learn the subject and you seemed very knowledgeable and able to convey dense subject matter easily and in a fun way. Thanks for your time. -JB

TheElectronicDilettante

that was helpful. You earned a new subscriber

WJHandyDad

I’m fond with this kind of thing repairning or something this is an additional knowledge thank for sharing

indayJampot

Helpful video. How did you figure out that the PWM ic in particular was causing the voltage regulator output to drop?

Santaji

Pambihira yng kaalam mo kbayan..utak kailangsn jn ..galing mo.

hermaeruth

Grabe ang talented mo naman master salamt sa kinting kaalaman keep sharing idol God bless aabangan kita

Sana mapansin mo rin ang maliit kung bahay

potcham