
Model: M34xvc20f3aa
RF board: HLE8300A
Contoler: HLN 8074C
Date: 9528MAL
It's a 16 pin board without an EPROM. Beeps when I turn it on. Maxlab will read 64 blocks and then give an error 53. Trying to get into the service menu to change volume/squelch gives a not-supported error.