For an experienced tech, the adcom can be repaired without a schematic.
For an inexperienced tech, you should not be doing this.
You should call adcom and ask for a free schematic.
ADCOM-USA
J&B Distribution
PO Box 54096
Phoenix, AZ 85078
Ph: 480-607-2277
Fx: 623-505-9523
Email: SALES@ADCOM-USA.COM
Monday - Friday, 9:AM-5
M Arizona Time
Parts & Product Repairs:
AFFILIATED Electronics
216 Route 206
Suite 15
Hillsborough, NJ 08844
Ph: 908-874-3799
Email: AFFILIATED@ADCOM-USA.COM