Re: [TenTec] Schematic for Orion

["Pfizenmayer" <pfizenmayer@worldnet.att.net>]

Its buried on the web site - I forget how to navigate to it - but its there 
! You probably want  A9 when you find it. Here is a breakdown of all the pdf 
files to save you some looking.

73 de Hank K7HP

A0                    81908-1 Input/Output 
remote antenna pinouts

                        81908-2 Input./Output 
Drivers

                        81908-3             " 
Ant Switching / Splitter

                        81908-4             " 
More Drivers

                        81908-5             " 
Rear Panel connectors

                                                                             
                    dc power in.



A1                    81909               lowpass filter 
Dir Wattmeter/LPF



A2                    8194DA2           Orion Power Amp



A3                    81906-1 RF Converter Block Diag

                        81906-2 RF Converter A2 Schematic

                        81906-3 RF Converter Schematic T-R



A4                    81910               9Mhz IF - Filters



A5                    81911-1 IF Cnverter Block

                        81911-2 ALC Circuitry

                        81911-3 AGC DET Schematic

                        81911-4 2ND LO Schematic

                        81911-5 Transmit Chain



A6                    81907-1             SUB RX BD

                        81907-2             PLL 2nd/3rd LO

                        81907-3 Preselector SUB

                        81907-4 Rcvr- sub



A7                    81917-1 ORION CPU/DSP CPLD's- Dragonball 68EZ328

                        81917-2 more CPU/DSP CPLDs

                        81917-3 Motherboard connectors

                        81917-4 Drivers-PTT/TR/AMP Loop

                        81917-5 DSP

                        81917-6 Main CODEC

                        81917-7 SUB CODEC

                        81917-8             BLANK

                        81917-9 Mic Preamp

                        81917-10           A to D , D to A  FWD/REF, Tx 
Power, Meter,  volume

                        81917-11           Power - DC Regulators

                        81917-12           Power Decoupling

                        81917-13           Memory

                        81917-14           RS232

                        81917-15           LCD

                        81917-16           SWEEP



A8                    81913               Keypad/Mic jack



A9                    81936               Power Dist Board



A10                  81912               565Sync -565 Synthesizer



A11                  81916               Motherboard



A12                  81915               Rear Connector board



A13                  81957               Sweep Amp.






> Are there any schematics for the Orig. Orion posted anywhere? Im in need 
> of
> the Power Board schematic. My Orion's power board failed and need a parts
> list of the smaller components in order to repair it.  Anyone have a 
> similar
> problem?
> Ben K8DIT
>


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