How To Use Schematics To Fix Stuff Part 3
The Yamaha PC2002M Amplifier still has a Protection Fault on Both Channels. I have a schematic for this amplifier so let's see how to use it to diagnose the fault. It's not the item I am trying to repair here that is the important thing, it's all about the methodical approach and techniques I am using. If you want to learn how to read, understand and use schematics to help in your repair work, here is a good practical example. Enjoy.
Part 1 of this repair series is here • How To Use Schematics To Fix Stuff - Real ...
Part 2 of this repair series is here • How To Use Schematics To Fix Stuff PART 2 ...
The schematic is here https://elektrotanya.com/yamaha_pc200...
All the following links are affiliated where possible.
For All Your PCB needs: free $5 discount coupon
https://www.pcbway.com/setinvite.aspx...
DCA55 Component Analyzer
https://amzn.to/3zlmALm
LCR-T4 Low Cost Component Analyzer
https://s.click.aliexpress.com/e/_De0...
https://uk.banggood.com/custlink/KKKy...
https://amzn.to/3ITNr4e
https://amzn.to/3PFDMk4
I work in collaboration with:
The Electronics Channel (with Carlos and Detlef)
/ @theelectronicschannel
Gran Canaria Uncovered
/ @grancanariauncovered (with Detlef and Julie. Not electronics related)
Det Builds Stuff - / @detbuildsstuff8128 (Detlef)
Retro Upgrade - / @retroupgrade (Carlos)
👉Click the link https://s.click.aliexpress.com/e/_Euv... or enter the search code [AY9450] on the AliExpress homepage to find the latest money saving coupon codes or simply enjoy extra savings with the exclusive discount codes below, just for fans like you!
🌟 Remember, these codes can be used on almost all items in selected countries on AliExpress, except for mobile phones.
$3 off on orders over $29:【IFPIEIDT】
$6 off on orders over $59:【IFPFIPS5】
$9 off on orders over $89:【IFPHJEZG】
$16 off on orders over $149:【IFPEOCDL】
$23 off on orders over $199:【IFPSXWHH】
$30 off on orders over $269:【IFPGG08Q】
$40 off on orders over $369:【IFP5VWNU】
$50 off on orders over $469:【IFPPLKYM】
$60 off on orders over $599:【IFPDBTQY】
$70 off on orders over $699:【IFPHH8SX】
Valid to 11th October 2025
For All Your PCB needs: free $5 discount coupon
https://www.pcbway.com/setinvite.aspx...
Equipment used in my videos. These are affiliate links, you pay the normal price and I make a small commission.
TEST METERS
Aneng AN8009
https://s.click.aliexpress.com/e/_DdW...
https://amzn.to/469ZgOS
KM601
https://s.click.aliexpress.com/e/_DBw...
VC480C+
https://s.click.aliexpress.com/e/_DEY...
https://amzn.to/3Q3LEz7
https://amzn.to/46tmNdo
MESR-100 ESR METER
https://amzn.to/3tiy8hK
https://amzn.to/3RwvejK
https://s.click.aliexpress.com/e/_Dmi...
XC6013L CAPACITOR METER
https://s.click.aliexpress.com/e/_DmX...
https://amzn.to/3t71Nul
https://amzn.to/3LDdcbO
TM-902C TEMPERATURE METER
https://s.click.aliexpress.com/e/_Dm9...
https://amzn.to/3LFzERv
https://amzn.to/3PTwuvW
FNB58 USB ANALYZER
https://s.click.aliexpress.com/e/_Dmd...
https://amzn.to/3tb1QW8
https://amzn.to/46oMn30
PCI POST ANALYZER
https://s.click.aliexpress.com/e/_DBs...
https://amzn.to/46m9Gep
TL460S Plus PCI_E ANALYZER
https://s.click.aliexpress.com/e/_DnB...
https://amzn.to/3ZERvOs
MULTIMETER PROBE KIT KET05
https://s.click.aliexpress.com/e/_DE7...
OSCILLOSCOPES
FNIRSI 1014D
https://s.click.aliexpress.com/e/_DEz...
https://amzn.to/3RxMFk1
FNIRSI DSO-TC3
https://s.click.aliexpress.com/e/_DC8...
https://amzn.to/3RBsgdS
FNIRSI DPOX180H
https://s.click.aliexpress.com/e/_DBX...
https://amzn.to/468oooT
BENCH PSU
NPS3010W
https://s.click.aliexpress.com/e/_DDP...
https://amzn.to/3rxsuIf
https://www.banggood.com/custlink/3DD...
SOLDERING
T12 Station with M8 9501 Handle
https://s.click.aliexpress.com/e/_DFV...
https://amzn.to/3FdG8Ul
SUGON T26D
https://s.click.aliexpress.com/e/_DFx...
QUICK 861DW
https://s.click.aliexpress.com/e/_DDo...
https://amzn.to/3PBOKZH
https://amzn.to/3RCSqNh
PROS'KIT SS-331H
https://s.click.aliexpress.com/e/_DDo...
THERMAL CAMERA
Infiray P2 Pro
https://s.click.aliexpress.com/e/_Dmu...
https://amzn.to/457PgEb
https://www.banggood.com/custlink/DDG...
MICROSCOPES
Amscope Optical Microscope (copy)
https://s.click.aliexpress.com/e/_Dlh...
https://uk.banggood.com/custlink/mKGy...
https://amzn.to/4675Qp0
https://amzn.to/459uvrY
ANDONSTAR AD407
https://s.click.aliexpress.com/e/_Dl4...
https://amzn.to/3PSQKxJ
https://amzn.to/48sxej4
EEPROM Programming
TL866 II+
https://s.click.aliexpress.com/e/_Dls...
https://amzn.to/3RTCRB9
https://amzn.to/3LDu3Lu
CH341A
https://s.click.aliexpress.com/e/_Dk0...
https://amzn.to/48IZiir
If you would like to support this channel
You can send donations
https://www.paypal.com/paypalme/youtu...
You can subscribe to Patreon
/ learnelectronicsrepair
You can click Join to become a channel member
Thank you
Richard