Please help, require schematic diagram of power amplifier ROYAL L1200

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SUMMARY

The forum discussion centers around the request for a schematic diagram of the ROYAL L1200 power amplifier. Users express difficulty in locating this proprietary schematic, suggesting that it may not be publicly available. The conversation highlights the importance of identifying specific components, such as power transistors, and understanding the symptoms of the amplifier's issues for effective troubleshooting. A related schematic and additional resources can be found at elcircuit.com.

PREREQUISITES
  • Understanding of power amplifier circuitry
  • Familiarity with troubleshooting techniques for audio equipment
  • Knowledge of electronic components, particularly power transistors
  • Ability to interpret circuit board layouts and schematics
NEXT STEPS
  • Research power transistor types used in the ROYAL L1200 amplifier
  • Learn about common troubleshooting methods for audio amplifiers
  • Explore the schematic provided at elcircuit.com for similar amplifiers
  • Investigate the impact of date codes on amplifier components
USEFUL FOR

Audio engineers, electronics hobbyists, and technicians involved in repairing or reverse engineering power amplifiers, particularly those working with the ROYAL L1200 model.

apolo2580
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TL;DR
royal amp l1200 circuit schematic
Hi to all much appreciation for you all,please is there anyone who can help me the schematic diagram of power amplifier ROYAL L1200
 
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apolo2580 said:
Summary:: royal amp l1200 circuit schematic

Hi to all much appreciation for you all,please is there anyone who can help me the schematic diagram of power amplifier ROYAL L1200

Welcome to PF.

It looks like your question on allaboutcircuits.com isn't getting replies either. If you can't find it with a Google search (like I'm not able to find it), then most likely the schematic is proprietary. Why are you wanting a schematic? Do you need to fix one, or are you trying to reverse engineer it?

1649782545864.png

http://www.mynke.com
 
i want to fix a related amp
 
apolo2580 said:
i want to fix a related amp

I don't know what that means. Which "related amp"?
 
Fault finding does not usually need a schematic diagram.
Most amps are the same on the inside with only minor changes.

What power transistors are used, and how many per channel ?
Do you know when it was built, date codes ?
Can you produce a photo of the circuit board and the power supply.

What are the symptoms ?
There are several people on this forum who can tell you what to check next.
 
  • Informative
Likes   Reactions: berkeman
berkeman said:
I don't know what that means. Which "related amp"?
royal L1200
 

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