Check Bk5V; Check Adc3.3V; Check Bk3.3V - Denon DHT-S514 Service Manual
Hide thumbs
Also See for DHT-S514:
- Owner's manual (16 pages) ,
- User manual (4 pages) ,
- Quick start manual (11 pages)
Table of Contents
Advertisement
4. Check BK5V
Start (MAIN PWB)
Check the input voltage 1 pin of U23.
Is the voltage in the specification? (5V±5%)
Is the 5V output from 5 pin of U23?
5. Check ADC3.3V
Start (MAIN PWB)
Check the input voltage 1 pin of U25.
Is the voltage in the specification? (5V±5%)
Is the 3.3V output form 5 pin of U25.
6. Check BK3.3V
Start (MAIN PWB)
Check the input voltage 3 pin of U26.
Is the voltage in the specification? (5V±5%)
Is the 3.3V output form 3 pin of U26?
YES
YES
Finish
YES
YES
Finish
YES
YES
Finish
NO
Check the soldering of L44.
NO
Check the soldering of the U23.
NO
Check the soldering of the L44.
NO
Check the soldering of the U25.
NO
Check the soldering of the D6.
NO
Check the soldering of the U26.
20
Hide quick links:
Advertisement
Table of Contents
