Orion Schematic Index

From the Ten-Tec Reflector December 6, 2004

On the Ten-Tec website, there is a ZIP file containing the Orion schematics. There are 44 separate drawings, but no index. Below is an index I created by looking at the title blocks of each drawing. I hope this helps the rest of the reflector.

Mark Erbaugh

I have updated the index with additional board details (12/13/10)

Barry N1EU

Click Here to Download All Schematics or Click each individual schematic below.

A0 - Input / Output
- 81908_1.PDF - 1 / 5 band data, ant switch
- 81908_2.PDF - 2 / 5 VFOA[0..9]
- 81908_3.PDF - 3 / 5 antenna relays
- 81908_4.PDF - 4 / 5 VFOB[0..9]
- 81908_5.PDF - 5 / 5 dc, rear panel

A1 - Lowpass Filter - T/R Relay
- 81909.PDF

A2 - PA
- 81940.PDF

A3 - RF Converter
- 81906_1.PDF - 1 / 3 Board connect
- 81906_2.PDF - 2 / 3 Band Pass Filters
- 81906_3.PDF - 3 / 3 Rx Preamp, ALC

A4 - 9 Mhz IF
- 81910.PDF

A5
- 81911_1.PDF - 1 / 6 IF Converter board connect
- 81911_2.PDF - 2 / 6 ALC Circuitry
- 81911_3.PDF - 3 / 6 AGC Detector
- 81911_4.PDF - 4 / 6 2nd LO
- 81911_5.PDF - 5 / 6 Transmit Chain – 3rd IF/2nd IF/Balanced Modulator
- 81911_6.PDF - 6 / 6 Main Rx 2nd IF/3rd IF

A6 - Subreceiver
- 81907_1.PDF - 1 / 4 Board connect
- 81907_2.PDF - 2 / 4 PLL
- 81907_3.PDF - 3 / 4 Band Pass Filters
- 81907_4.PDF - 4 / 4 Subreceiver IF Chain

A7 - CPU / DSP Logic
- 81917_1.PDF - 1 / 16 Dragonball CPU/Logic
- 81917_2.PDF - 2 / 16 CPLD
- 81917_3.PDF - 3 / 16 Connectors
- 81917_4.PDF - 4 / 16 Drivers
- 81917_5.PDF - 5 / 16 DSP
- 81917_6.PDF - 6 / 16 Main Codec, Audio PA
- 81917_7.PDF - 7 / 16 Sub Codec, Headphone amp, Aux audio in/out
- 81917_8.PDF - 8 / 16 Blank
- 81917_9.PDF - 9 / 16 Mic Preamp
- 81917_10.PDF - 10 / 16 ADC / DAC
- 81917_11.PDF - 11 / 16 DC Power
- 81917_12.PDF - 12 / 16 Power decoupling caps
- 81917_13.PDF - 13 / 16 Memory
- 81917_14.PDF - 14 / 16 RS-232
- 81917_15.PDF - 15 / 16 LCD
- 81917_16.PDF - 16 / 16 Sweep