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KAWAI Q-80

INSTRUMENT - SERVICE MANUAL
Type: (PDF)
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4.4 MB
Page
11
Category
INSTRUMENT
SERVICE MANUAL
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  • Also known:
    KAWAI Q-80 Q80 80
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Relevant INSTRUMENT forum topics:
LED lámpa - Mennyi az annyi?
Hali, ma vettünk vásárban egy LED lámpát. 19 LED van párhuzamosan kötve, 3 V-ról működnek. Az egész egy szép nagy villanykörte formájú dobozban van és a 220-as lámpa foglalatba lehet betekerni. A dobozban van egy aksi is. Otthon szétszedtem és nem találtam benne trafót! Csak dióda meg kondi, meg egy tranyo van benne! Ez még nem lenne nagy baj, mert az egyen irányított 220-t rávezetve egy zener diódára meglenne a 3 volt. De zener sincs benne!! CSak 6 1n4007-es dióda. Ebből 4 gondolom a greatz-híd. Létezik olyan diódás kapcsolás ami 220V egyenből 3-t csinál?? A tranyo kapcsolóként müködik. A lápma oldalán levő kapcsolót lehet DC-AC állásba tenni. AC -ban az villanykapcsoló ellentétesen müködik (tehát ha felkapcsolód - normál égő ég- ez akkor kapcsol ki). Szerintem ezt a forditott kapcsolást csinálja a tranyó. Van valakinek ötlete, hogy hogy lesz a 220-ból 3??
Villanypásztor javitása
Sziasztok Abban szeretnék segitséget kérni hogy van egy " Vetis 25 " tip. villanypásztotom ami kapott egy ki csapadékvizet és jónéhány elem és nyákrész megégett , a segitség az volna hogy ha valakinek lenne ilyen tipusu készükéke és megtenné hoy lefényképezné jol látható modon az áramkört és az alkatrész oldalt akkor lehet hogy tudnám beazonositani az alkatrészeket és készitenék egy uj nyáklapot .De ha esetleg valakinek megvan a kapcsolási rajza az mégjobb lenne. Teszek fel néhány fotot is. Üdv : János
Quick User Guide for Sipeed Lichee NanoKVM — Features, Usage & FAQs

Hello everyone,

I wanted to share a helpful resource I recently came across — a quick user guide for the Sipeed Lichee NanoKVM. For those interested in remote system control, RISC-V development boards, or KVM-over-IP devices, this guide contains a lot of useful information. I thought it might spark good discussion or help others who are exploring similar hardware.


What’s in the Guide

1. Overview
The Sipeed Lichee NanoKVM is a compact KVM-over-IP device built on a quad-core 64-bit RISC-V chip (TH1520). It supports 1080p@60Hz video input and encoding, along with USB and Ethernet interfaces.

2. Ports & Interfaces

  • HDMI input

  • USB-A and USB-C

  • Gigabit Ethernet
    USB-C is used for both power and debugging, while Ethernet provides stable network access.

3. Performance & Applications
The device delivers good video clarity with low latency, making it useful for remote maintenance, server control, and situations where physical access to a system is not possible.

4. Technical Specs

  • Quad-core 64-bit RISC-V CPU at ~2.0GHz

  • 1080p 60fps video support

  • Encoding with MJPEG (H.264 in development)

  • Virtual USB storage and media functions

  • Onboard OLED display

5. Use Cases

  • Remote server administration

  • BIOS/UEFI-level access before the OS loads

  • Emergency troubleshooting without being physically present

  • Portable system management for IT engineers


Questions & Discussion Points
  1. How smooth is the real-world latency (reported around 90–230ms) for tasks like typing, GUI navigation, or remote installations?

  2. Has anyone tested its reliability over less stable networks, such as WiFi or WAN?

  3. Any setup or compatibility issues with different host systems (especially BIOS/UEFI or USB devices)?

  4. How does it compare to PiKVM or other open-source KVM solutions in terms of cost, features, and ease of setup?

  5. Is anyone here using it regularly for professional IT/remote work scenarios?


Looking forward to hearing your thoughts, feedback, and real-world experiences with the Sipeed Lichee NanoKVM!

energiamegtakarító
üdv. múltkoriban erről volt szó? http://www.vatera.hu/item/view/index.php?cod=190304693 Bálint
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