Does anyone have a TR-4C with a serial number below 34150? Or a TR-4 ABOVE 34150?? Possibly a schematic of either numbered "around" 34150?? I believe the schematic date is 32473, but not clear. Thanks for looking! -- 73, Garey - K4OAH Glen Allen, VA Drake 2-B, 4-B & C-Line Service Supplement CDs <www.k4oah.com>