SECTION 1 SPECIFICATIONS SEC HON: 2 FEATHERS i sz SECTION B INSTALLATION 3 L SECTION 4 OPERATING CONTROLS FRONT PANEL oo g 42 CONTROLS UNDER ACCESS COVER. o g 4.3 BEAR PANEL CONNECTIONS o0 il 10 SECTION 5 OPERATING INSTRUCTIONS HOWE YO TUNE sl DRESSER OPERATION o 18 Ba3 COOPERATION (oo 1% 54 NONOPERATIONAL ol il Ha5 OTHER OPERATIONS il i 17 SECTION 8 THEORY 0 ool i gy Gl RECEIVER i G2 TRANSMITTER G2 PEEL H Phase: Locked : Loaf engages 26 B4 DRIVER UNIT oo 28 OVERPOWER BIN FT ORHNERICIRCHEERM SECTION .
SECTION 3 INSTALLATION BE SURE TO READ THE FOLLOWING INSTRUCTIONS BEFORE USE. 3:1 UNPACKING Carefully remove our transceiver from the packing carton and examine it for signs 0f shipping damage. Should: any; be apparent, nonfood the: delivering Ga trier ‘or ‘dealer i immediately, stating the full extent of the damage. . R is recommended you keep the: shipping cartons. Initiate pent storage; moving; o reshipment ‘becomes’ necessary they: willies handy. Accessory cables, pigs, ete.
‘effective in reducing interference from nearby signals: For example, wheels receiving in the LSE mode; if vou get interference from a:lower frequency {interfering signals are. high pitched tones), narrow the band width by furring the P.B. tuning control taunter-Clockwise, | When the Interfere: ing signals are low pitched tones; they are from a:higher frequency, and “vou should Harrow the band width by turning the P. B. tuning contra clockwise. When' receiving Tni the USB mode.
CONNECTION:OF ‘A SEPARATE RECEIVER SEPARATE RECEIVER @) ANTENNA TERMINAL @ MUTE TERMINAL ¥ Enterprise & 12V snail relay between Sing 2 and 3ot ACC sonny, and control the separate receiver by contacts of the relay. CONNECTION OF SEPARATE ANTENNAS 5:5:7 CONNECTION OF A LINEAR AMPLIFIER i S Connect: the ‘output: connector (ANTE 16 the input of the ifigfi"fl;x linger amplifier © If ‘the: linear does: not Rave an. RE sense fine, it will be necessary: to use the circuit shown blow to key:the: Amplifier.
I the receiving mode ‘Using the: transverse +8 :Volts DG 1 applied though a 470 ohm resistor 1o 4, superimposed on commingling signalization: the transverse Then DIS: D19, and D40 are turned ON shd D28 1o D33 of the RE amplifier circuit for gate band are turned DFE by 9 Solis DC from J4; and: D41 i¢ wined OFF by +8 Vol DC from pin i of WL Thus the commingling signal from the tarn: vertebrates fad 1o the mixer circuit composed of D11 10 BI4; toughie, D18, D18, and D40 n:the transmitting mode, 4 is grounded f
counter for the A and B Veg 'the digit selector to control the Lu-down: counters: by parallel: data, [A/B counter selector, etc. The ‘CLOCK {CKY and: UP/DOWN {UD) signals, whirligigs the Output from the fining chaperonage circuital fed 1o Pins: 12 and 18 “respectively. | The clock signal is in: proportion. tithe rotation: of the tuning Knob; -and:the uptown signal i dependent on the direction of rotation of 'the tuning ko \When it UD signal s BI kith up/down counter increases the frequency in proportion o t
6:3: 8 RIT ON/OFF CONTROL CIRCUIT 09 and 1017 make lup i the RIT ENJOIN ‘control recruit. The voltage ‘of the BIT 1C intermingle ‘of 46 & fed 10 the emitter of Q17 through RE1. The terming 18 0 Vol when the: Rites ON and 5 Solzhenitsyn: QR F. Q17 prevents: the reverse flow from the has of 08 The collector gt Q9 is:fed voltage from the RIT control and shunt to ground when the RITES OFE, 6:4 DRIVER UNIT G501 FREQUENCY DISPLAY. ICH40B are the 7 segment LED indicators for the frequency.
6:43 MEMORY CONTROL CIRCUIT. Pin 5 of 105 Is connected 1o the VEO switch on the front BAND panel: and: changes from H to L Lori to Hif the switch changed.: The delay: circuits: 817 and C5 are connected 1o & < Pin 6 5o pulses of positive edge and negative sags are taken 3.5MHz H L L out and fed 10 Pin 13 ot IC4. "The nonadjustable multi vibrator 7 MHz L H L is:made up of 104 8 NOR gate circuit, and an: inverter, The: Low level pulse output is taken farm Pin 11 and the Glitch Revel puss from Pined.
goes LOW and Pin 1 goad HIGH: When the band i 1.8MHz, Inc 13 ot 101 1 i HIGH: and Bin 11 disconnected with Pict of 1610, 50 iris HIGH, As: Pin: 12 Is connected 1o the front of the Inverter of tha oscillator: circuits; the: three input gates of {011 ire gt HIGH i the: next half vole; and the cutout from: Pin 10 goad LOW. SIC% output HIGH level pulse is fed 1o 101 in the PLL & K8, therefor the 100KH2 digits sear 8. Hes the band is 3.
nd BELEM bands From other bands since their 100KHz Towelette digits are not 0. D245 detect ‘the Tower ‘two Figures (9.9} nd D40 and DAY detect {83 of the 10K Hz Jewell it is necessary tn distinguish these from others since the lower: two figures are root 1o 0 when the dial tuning speed butter is pushed.
enough to prevent damage. To indicate the dangerously. High' temperature ali the luminous indicators on the front sleepwalking: blinking. & This el done by the latecomer circuit composed of 014, and 1% The-output ot the free inning: vibratory, SO 11 and 1Q12) land driven: by:the: Voltage through Q10 s applied to the chromatic §:6.2 AUTO DIMMER CIRCUIT R0 o the driver Uit ig g cad maim sulfide (G485} element directorate brightness of the surrounding light.
5242 VX0 FREQUENCY ADJUSTMENT Connect' the! input ‘terminals iof the ‘frequency counter across CPT and ground: of the (A’ Unit and: perform the following adjustments. {a): Place the stein receive in the CW. (P8 TUNE control centered): and: adjust coil L1 fora: frequency. of 19.76330MH . (b} Then et the mode 1o USB or LS8 and adjust R28 VXO: Frequency: Adjustment LA Adjust core for 19.
With' the "MODE: switch: in: USB, stadium ‘the | AF oscillator outpoint feel to obtain: 20 Watts output on the Watt meter. Then sangs: the: mode to LSR and adjust R2 in the 7:-4 PLL UNIT ADJUSTMENT T4 FREQUENCY ADJUSTMENT This adjustment ‘can be performed without removing the BlLiunirsesl.: Remove the plug from d2 in the RF unit and Connect: the: counter: 10 -coax: 2w output: of NCO How A unit to obtain: the same 20 Watts.
SECTION 10 VOLTAGE CH 10-1-1 A" UNIT TRANSISTORS TRANSMIT RECEIVE R No | BASE COLLECTOR|EMITTER | BASE COLLECTIVIZATION REMARKS GATED AGATE | DRAIN [SOURCE AGATE 'GATE | DRAIN SOURCE [Compass Gnp | NOSTALGIA GND.
1012 A UNFEIGNED IN TRANSMIT MODE PIN No, i€ No. REMARKS lion windfall ic1 151150 € |83 83 COMP ON ic2 ics 0 |70i63/35 23/GNDjl0 o0 23 [35]35 35 830 COMP DN e 0 35]35 B30 COMP ON s i initial sl piecemeal [salon [34]32 69 0 GND ice 0 16 w916 0 0 |80 10:1-3 “A” UNIT IC IN RECEIVE MODE PIN:Na; 1C No.
10-2:2 “B" UNIT IC IN TRANSMIT MODE PIN N CNo. REMARKS too2i3lal s By isle oo it 190w 1023 B UNIT IC IN RECEIVE MODE Pin No. iC No. REMARKS TLC 3 a2l sie iy sale i o o nibble i1 18 14 male 103 REUNITE TRANSMIT RECEIVE Car Bg\gs saga EMITTER | pareses GATE 1 AGATE || DRAIN |SOURCE AGATE [GARTER | DRAIN | SOURCE GND 05 b7 a GND NEON asm 011 o 25 GND GND o 013 DELETED 014 » DELETED a1s ath a17 018 azo
10-4 RELAY SWITCH UNIT | TRANSMIT RECEIVE nne | BASE COLLECTIVIZATION | BASE COLLECTIVIZATION | oy nie GATE AGATE | DRAIN | SOURCE AGATE [GATE | DRAIN SOURCE GND 06 07 0 GND 162 GND «High impedance: * multi meter dares contraindicated actual voltage. & Pulse activated. 106 PA UNIT TRANSMIT RECEIVE S BEDSORE COLLECTOR EMITTER Bé.gE gene REMARKS GATE AGATE DRAIN source GATE! [GATE | DRAIN | SOURCE Qi 0.7 160 GND PA BOARD ) 07 160 GND " a3 13 160 mfisggg%m 139 GND. a7 [ 130 q 129 139 139 0 138 GND .
