Reporting question for Board - Marshall, Replacement for JCM 2000 DSL 100

Product:
Board - Marshall, Replacement for JCM 2000 DSL 100

Question:
Replaced board and now the power tubes keep blowing the main fuse when turning off standby. Tubes are newer. why might this be?

Answer:
Hi, unfortunately at this time we do not offer tech support. You may need to take your amp to a qualified tech to troubleshoot your amp.