Service manual

SERVICE MANUAL (BSV-4251 BSV-4251A )
MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE
VSC POWER SEQUENCE
Display Enable
Relay On
VaVs On
1. After Relay On
• 2. Continue 5Volt Monitoring – If there is no 5Volt more than 10 minutes, then
• power “Off”
• 3. Check if it is OK the 5Volt Mnt first. And then VaVs “On” after 3 seconds .
• 4. VaVs “On” --> waiting 3 seconds --> Display Enable “On”.
5. If 5Volt Mnt “Low” or AC-Det “Low”, immediately Display Enable “Off” and
then VaVs “Off”, Relay “Off”.
BSV-4251/4251A RD(1) 00 03/10/23 42/75