Check the listing for details. Sun Electric Engine Analyzer Board Testing, Units 1015 & 1115. Listed at 275.00 USD. This a testing service not a repair service. These boards are commonly found in a Sun 1015 and a 1115. They are often the problem when a Sun Analyzer fails to produce a horizontal deflection trace line. If you send them to me, I will test them in a known operating analyzer to determine which or how many of the boards are defective. After that, you can decide how you want to proceed. If you use this testing service, I will give at least a 10% discount on repair/replacement services. Please contact me before purchase and sending the boards to me. We must decide if your unit is a good candidate for this type of testing. Send Boards:7. Logic Board 18. Logic Board 29. Vertical Preamp 10. Sweep Board Please Note: This procedure is meant to solve only one problem, Find one or more defective boards.