Kenwood R-2000 User's Manual
Contents
1. 4 100 4567321 058 15 141312 110916 R109 Oy 8 36 470 18435 470 8421 470 8123 109 100K 135 047 047 C132 047 RHO 100K 834 134 47 180 8132 22K 0145 8128 Ol 1 35 470 H 182 10K 55 gt VHF SW 14 7v for 2 cae FE 2 R268 100 o gt gt 056 osc 82 895 So C225 C224 9 NOD VD Of Of C238 3 6 8 19 900 16 we 25 amp 053 of Lex 8 5 2 4 3 5 227 1 47K o9 5 83 a 45 000001 2 2m 558 5 274792 col gt 551 5 8 3154 8 s710V 955 15185 418272 Oir 32 7 77 912 ELST z 415188 17 1 Q gt 9 7 2 gt s 8 ala AF PA d T d 7 T 2 ORE 4 60 75 OER 81 6 M 648421 TIAN 494 43662062 190 d8SeWi 151 2 1 LIH 48490821 9121 vv cva 436664252 27097291490 rri 99 48490831 190 ZA lA 83019652 2606 BREE FEE 2 269228448 240 2X ova 8v 9v Gees Lu2. 2 Ne 3 Re ceptacle Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch PLL PLL PLL PLL PLL Switch Switch PLL PLL PLL Smeter Phone jack Phone jack Switch Switch REC jack Receiver input NB IF output NB Switching pulse input CW 9V line input AM 9V line input AM wide 9V line input SSB 9V line input CW narrow 9V line input 14V input 6V input Muting control signal input SSB squelch Adj input AGC select SSB SLOW AGC select AM SLOW AGC select AM FAST AGC select SSB AGC reference voltage AGC select AM AGC reference voltage FM squelch Adj input AF pre amp output AM 9V input FM 9V input USB 9V input LSB 9V input CW 9V input 9V line output BUSY LED G Program scan stop signal output High when VHF RX Beeper control input S meter 4 Band data input Band data input Band data input Band data input VHF converter Band data output VHF converter Band data output VHF converter Band data output VHF converter AGC output AF output AF power input 1st Local OSC input 2nd Local OSC input 3rd Local OSC input VHF converter IF 2000 562052 v x 48110501 190 3 028 n 123135 2121 BAY DE
3. 21 d ets quem 1 i i t Aa CONTENTS SPECIFICATIONS etait Mere ro dh 2 CIRCUIT DESCRIPTION Ad INE DUE 3 PARTS LIST PC BOARD VIEW AND SCHEMATIC DIAGRAM RX UNIT 55 1340 00 16 PLL UNIT 50 1920 00 18 SWITCH UNIT 41 1480 00 20 SCHEMATIC DIAGRAM 2 21 DISASSEMBLY tanc hd PACKING UTEM 9 ADJUSTMENT teint ap ee ADJUSTMENT POINT TERMINAL 5 lt 525 555852 notanda DCK 1 BACK COVER R 2000 SPECIFICATIONS Frequency Range 150 kHz 30 MHz 150 kHz 26 MHz W2 type 2 MHz 30 MHz X type Mode AM FM SSB USB LSB CW Sensitivity dBu 1 Ed ___ __ tam Selectivity 7 AM NARROW 2 7 kHz 6 dB with YG 455C optional CW crystal filter Image Ratio Better than 70 dB IF Rejection Better than 70 dB Frequency Stability Within 300
4. 15 8 edes rota S 50 mV 120 48 05 24 i a a ___ ____ R 2000 ADJUSTMENT Adjusting PLL Section Measurement Adjustment Item Condition Specifications Test Unit Ter Method equipment minal Reference POWER ON Frequency 36 000 000 Hz oscillator counter frequency 2 VCO 1 MODE AM DC VM PLL T3 7 5V 0 05V f ee kHz 3 VCO H 1 e AM DC VM TP13 0 05V 29 999 9 kHz W2 type 25 999 9 kHz 2 17 0000 0 17 000 0 kHz 4 VCO M 1 ______ AM DC VM PLL TP13 0 05 16 999 9 kHz 1 MODE NNNM 7 8V 0 05V f 7 999 9 kHz 2 100 0 kHz 2 or more W2 type f 150 0 kHz 88 00958 9089 96690990 000000200004 40 990 90 4800606000 06466066066660 6 4406000000056 66 06 0 6 f 2 000 0 kHz 3 0V or more Encoder 1 Remove the MAIN knob and motor drive the encoder at Point C may be lo approx 300 rpm cated anywhere When motor drive is not available manually turn the MAIN control to check the duty ratio 2 EN1 duty ratio adjustment Encoder After adjusting with Turn a motor clockw
5. 70 9080 919 x 100 1334S 22 en e itae Ros _ 2000 PACKING AC Cable ASSY 0 1645 05 Protective bag H25 0105 04 DC Cable ASSY E30 1646 05 AC Cable ASSY E30 1643 15 AC Cable ASSY E30 1647 05 Accessory AC Cable ASSY E30 1644 15 AC Cable ASSY E33 1531 00 Protective bag H25 0029 04 7 Pin DIN plug E07 0751 05 Phone plug E12 0001 15 Fuse 0 1A FO5 101 3 05 Warranty card Fuse 1 5A FO5 1521 05 B46 0058 10 Instruction manual B50 4022 00 K W W2 M X B50 4023 00 T Cushion 12 1320 04 Packing fixture 1 H10 2570 02 Packing fixture R H10 2569 02 2 00 77777 23 i f i Protective cover H20 1419 03 Packing carton 01 4463 04 K W W2 M X 01 4464 04 23 rr T PAESE UE rester ner nr ttem mem R 2000 ADJUSTMENT REQUIRED TEST EQUIPMENT PREPARATION 1 VTVM or DVM DC VM Unless otherwise specified set the controls as follows 1 Input resistance More than 1 MQ RAS ON 2 Voltage range 1 5 to 1000V DC NOTE high precision voltmeter may be used FUNCT ON FREQUENCY However accurate readings can not be ob NARROW WIDE eee WIDE tained for high impedance circuits TUNING SPEED 5 SLOW ES 2 AF VTVM AF VM
6. 0959 A A SS 0 SHA SASH 2 94 2 58 a 921 210 29 5 St vest 210 01 E Si vi EL 2t 016 12 5 ENSERES 44 808 495 885 8 E c M eE eee et 1 HH 446414 400 891 4 2612 220 0123 t 42 2002 t 4 392 xrv 2 406 49 42 2 oct cata CER E P z Bicicicicio e o H e AS A A 00 0261 OGX INDQ Tid v 2 Bunsnipy 0 2 jeuBis ou GSN ZH 929 7 70814 00 0261 09 490 SILVINSHOS 0002 4 8 ino 8 1061 9852 69619282 81819250 8261252 3 84419856 8101952 608ZNV 908 dvcELV L epis 00 0691 vSX LINN 5195 e 60205 yd ie zuo e 55 gt lt 25 1015 SW
7. The PG SCAN indicator yellow should light P should be displayed on the MEMO indicator and the USB indicator should light The scan shouid start from 10 615 0 at 5 kHz interval When 10 635 0 is reached a beep should sound and the scan should restart from 10 615 0 1 PG SCAN ON 2 HOLD ON Turn the tuning control clockwise and counter clockwise Scan should stop The frequency should change from 10 615 0 to 10 635 0 11 AUTO 1 AUTO M ON Press channel 1 and store 17 000 0 then press channel 2 and 1 The AUTO M indicator green should light and 17 000 0 should be di splayed 12 Reset 1 POWER OFF Keep the power cable connected to the receiv er and disconnect the lithium battery termi nal Disconnect the power cable and ground 12 40 1 12 uPD80C49C 022 Reconnect the power Indication cable POWER ON MEMO AUTO ON f 150 055 0 Disconnect then recon Indication nect the power cable MEMO 1 f 15 000 0 POWER OFF Reconnect the lithium battery terminal POWER ON Indication MEMO 1 f 15 000 0 Disconnect the power The memory contents cable Reconnect the should be retained and the power after approxima above should be displayed tely 30 minutes MEMORY 1 Indication MEMO 1 f 15 0
8. ace 1 Frequency range 50 Hz 10 kHz MODE 2 Input impedance 1 greater E OFF 3 Voltage range 10 mV to 30V 3 AF DUMMY LOAD DIMMER reas OFF 1 Impedance 82 AF GAIN DENS MIN 2 Dissipation 3W or greater a duci Wea Ga Ei beo i er NE S CENTER 4 OSCILLOSCOPE SQUELCH Requires high sensitivity and external synchronization capa RFA TT ERE 0 bility OFF 5 STANDARD SIGNAL GENERATOR 886 2 1 Frequency range 100 kHz to 80 MHz 2 Output 20 dB O 1 uV to 120 dB 1V 3 Output Z 50 Q pa 4 Should have AM modulation capability Generator must be frequency stable Japanese 556 American SG 6 FREQUENCY COUNTER AB EAEE 0 25 1 Minimum input voltage 50 ir 0 5 2 Frequency range Greater than 80 MHz d de pea acu Ni 2 7 NOISE GENERATOR T Must generate ignition like nose containing harmonics 30 dB 15 8 beyond 30 MHz 50 158 BO UB oui ations 22 E 1 58 mV BU dB ois ete 5 mV BO dB
9. 09 0305 04 Encoder slit D21 0824 05 Shaft ass y N30 2606 46 Screw J21 2792 04 431 0502 04 442 0428 05 Connector metal fittings PC Board collar PC Board bush R12 2409 05 Trim pot 5k2 B L19 0323 05 L32 065 1 05 L32 0652 05 L32 0653 05 134 0540 05 L34 0863 05 L34 2058 05 L34 2147 05 L34 2148 05 L34 2149 05 L40 1001 03 L40 1001 14 L40 101 1 03 OSC transformer DC DC OSC coil VCO L OSC coil VCO M OSC coil VCO H Tuning coil 455 2 Tuning coil 455KHz Tuning coil VCO Tuning coil 9 42MHz Tuning coil 9 42MHz Tuning coil 36MHz Ferri inductor 10uH Ferri inductor 10 Ferri inductor 100 RX UNIT X55 1340 00 CCA5CG1H221J C 220P C165 CC45CH1HO20C C 2P 0 25P C110 45 1 050 C 5P 0 25 45 1 5 0 5 0 25 C95 CC45CH1HO70D 7P 0 5P 96 CC45CH1H150J C 15P C111 45 1 151 1 175 CC45CH1H220J C 22P C188 CC45CH1H270J 27 C164 CC45CH1H330J 33P C169 CC45RH1HO20C C 2P 0 25P CC45RH1HO70D C 7P 0 5P C90 CC45SL1H101J 100P C141 144 CC45SL1H120J 12 234 235 CC45SL1H151J 150P 29 31 36 37 67 CC45SL1H220J C 22 205 207 CCA5SL1H241J C 240P C27 29 45511 270 27 109 CC45SL1H301J CC45SL1H331J C 330P C19 21 CC45SL1H511J C 510P 16 18 CC45SL1H680J C 68P C38 CC45SL
10. El z 121 way 0 269208084 6 2121 0SO ZX 1061252 9219 0 A NN 1 48130921 41111921 2 0 26 252 2 28169195 vot 66645601 89 9 296686 5 80 137 44483522 6 01 80 Sic J 16899409 21 186464 1544 418 2562 52 119 Ba 221 DLPIONN 251 399 S1 va 244296656669 2 6084NV 0221 NELSTPLNS 91 4514 22 02 042115 96 VN iat 2344 8 AG mn n A 00 0691 95 11 0 3 d AO6 0 Ht 841 lt 2 Y 100 032 NZZ 57 190 6912 a Uu 2 160 55 2 23 a E 290 188 5 T E i 258 9 52 H 308 Mar AM 22 JASI 55 210 ve lt b HSE OL 100 022 v9u AS 49 lt 92 Ai 329 900000 seer 00 57 an i a 5028 2023 ROLE OF 924 323 28 d 698 898 9815 69883 19 198
11. Up operation Operation abe E Encoder output 1 TE Encoder output 2 1C7 8 Gate output 10 on the Control circuit is an astable multivibrator circuit controlled by the PG SCAN switch Both its output and the clock signal are applied to the micro processor 1 port During scan the multivibrator oscillators output pulse train is accessed by ICs 9 1 4 10 1 4 and 11 1 2 while the oscillator stops in the HOLD mode and only the Encoder clock pulse is available The oscillator frequency is determined by C173 C174 R145 and VR1 When the tuning speed is SLOW or MID the oscillator frequency is approximate ly 10 18 Hz When it is FAST Q34 turns on and the oscillator frequency is approximately 5 9 Hz 3 Clock circuit A 1 kHz clock signal is output from PLL IC2 pin 6 waveform shaped by IC17 1 4 and applied to the mi croprocessor INT port pin No 6 to count the time When the HOUR and MINUTE switches are de pressed simultaneously the time display shows 00 00 In CLOCK 1 mode the time display stops flashing and the clock begins counting the seconds which are not shown when the switches are de pressed When the display is flashing the HOUR and MINUTE switches cannot be used to set the time When the Function switch is set to any position other than FREQUENCY depressing the HOUR switch will increment the HOUR digit by one When the HOUR switch is held ON the Hours digit increases contin uously The Mi
12. frequency change MR 3 235 00 AM gt 4 182 00 USB 2 3 235 00 AM CH5 CH5 4 M SCAN function 1 ALL scan When the M S switch is pressed the M S indicator lights When the switch is released the scanning Operation starts The scanning interval is 1 5 seconds M1 2 gt gt e gt 9 gt gt 1 gt ee When the M S switch is pressed again the M S indicator goes off the scanning operation stops and the unit dis playes the frequency and mode which were displayed be fore the scanning operation was started 2 Select scan When the desired M CH switch is pressed with the M S switch kept pressed the stored data is recalled When the switch is released only the selected memory fre quency is scanned When the desired M CH switch is pressed twice in cession the M CH display shows and memory fre quency scanning is cancelled Example MCH cancelled MS gt 25856256542 MS Released Keep pressed Then scan starts Scan 2 4 gt M8 M2 M4 8 2 The scanning release operation is the same as that in all scan and the selected memory channel is cleared 3 HOLD When the HOLD switch is pressed during the memory scan operation the HOLD indicator lights and the scan ning operation stops in the hold mode the mode can be changed and memory storage is possible The memory data does not change without memory input even when the mode is changed 4 When the
13. T1 input Stabilized oscillating period Fig 1 Encoder output to micro processor E Fig 2 Micro processor power supply circuit input timing and waveforms 2000 CIRCUIT DESCRIPTION 5 Dimmer circuit The dimmer functions by controlling power to the DC DC converter When the main power is on ap proximately 12V is supplied to 041 and 042 by 061 072 Q73 and 040 When the main power is off or the DIMMER switch is ON 073 turns off and the vol to 041 and 042 is decreased to approximately 8 5V to reduce the display voltage resulting in a dimmed display 6 Display circuit The seven segment and digit signals are output from 14 to drive the 8 digit display As the output cur rent is active low IC15 1 16 038 039 and 040 used 3 Noise blanker circuit Pulse noise is obtained through Q11 on the Receiver unit It is amplified 062 063 and 064 rectified by D43 and D44 and DC amplified by Q66 to drive the Re ceiver unit NB gate circuit The NB is ON when Q66 is emitter is grounded through 045 varistor 065 is the NB AGC amplifier Nominal center frequency within 9 420 MHz 30 kHz 3 dB bandwidth within 130 30 kHz 20 dB bandwidth 350 kHz or less 8 dB or less Spurious response within 9 420 2 MHz 30 dB or more within 8 510 25 KHz 40 dB or more Input and output impedance 3302 Table 7 Ceramic filter L72 0337 05 PLL unit CF1 Microprocessor Operationa
14. The audio signal having passed the VOLUME and TONE controls is power amplified by 57 HA1368R to drive the speaker Do As accessory circuits a BEEP oscilator circuit Q55 and 56 and standby mute circuit Q49 60 and 61 are provided in the mute mode Q49 2SC1815 Y decreases the RB re ceive B line to 6V to mute all modes except FM The RB line then controls Q60 and 61 to disrupt FMB FM B to 033 which effectively mutes the FM mode The power supply circuits consists of a 9V AVR automatic voltage regulator 054 7809 and a 14V ripple filter Q53 Nominal center frequency within 9 875 MHz 30 kHz 3 dB bandwidth 20 dB bandwidth Spurious response within 9 875 2 MHz within 8 965 25 KHz 30 dB or more 40 dB or more Input and output impedance Table 1 Ceramic filter L72 0338 05 RX unit F1 R 2000 CIRCUIT DESCRIPTION Guaranteed attenuation 55 dB or more within 455 100 kHz Spurious attenuation within O 1 to 1 0 MHz 45 dB or more for 600 to 700 kHz 40 dB or more matching impedance 20 Table 2 Ceramic filter L72 0332 05 RX unit F3 SSB AM N CW W Nominal center frequency 6 dB band width 455 kHz 3 kHz or more from 455 kHz 50 dB band width 9 kHz or less from 455 kHz within 455 100 kHz Table 3 Ceramic filter L72 0319 05 RX unit F4 AM W Table 4 Ceramic filter L7
15. 001 10 10 50 Less than 10 pF E77 Capacitor Mylar Ceramic Styren Electrolytic Tantalum Mica L than 10 75 N New Parts SN16913P SN74LS145N SN74LS73N TA7060AP TA7324P TC4011BP TC5065BP TC5067BP 77 TLY205 25 1015 25 1675 1 25 1775 25 1815 25 1907 25 1923 25 1959 25 2240 88 25 2878 250235 uPD80C49C 022 uPD82C43C Varistor MV 13 2SK192A GR 3SK73 GR 3SK74 L 1SV53A 1 546 Vari cap AN7805 FIP9D7 AN7809 HA1368R M54459L MN6147C NJM4558D Display tube Surge ERZDO3DK331 Absorber 11 2000 l PARTS LIST Re GENERAL Band x 3 Nylon band x 20 461 0019 05 461 0401 05 01 0939 02 2 A01 0940 02 Case lower 01 0411 05 Carring handle A20 2465 03 Panel K21 0769 04 Main knob A23 1472 02 Rear panel K23 0738 04 Knob FUNCTION K23 0755 04 Knob x 4 AF TONE SQL ATT x 03 0529 04 Carring handle back plate K27 0426 14 Band knob x 2 03 0530 14 Switch name plate NAR WIDE K29 0758 04 Push knob x 2 POWER TIMER 0531
16. 04 Ornamental plate Meter K29 0767 04 Push knob x 2 DIM NB B30 0817 15 Lamp 14V 80mA K29 0768 04 Push knob AGC B31 0641 05 Meter K29 077 1 04 Knob ring B39 0407 04 Spacer x2 K29 0772 03 Knob 55 B42 1722 24 FTZ plate W2 K29 0773 04 Push knob MODE B43 0686 04 Badge K M W W2 X K29 0774 04 Push knob NAR WIDE B43 0687 04 Badge T K29 0775 04 Push knob LOCK 46 0058 10 Warranty card K K29 0776 04 Push knob x 3 TUNING SPEED 50 4022 00 Instruction manual K M W W2 X B50 4023 00 Instruction manual T LO1 8064 05 Power transformer B58 0637 00 Voltage warning paper 2 B58 0638 00 Warning paper T NO9 0256 05 Ground screw ANT B58 0653 00 Warning paper W2 09 0641 05 Screw x 7 Panel B58 0654 00 Warning paper X N14 0508 04 Spanner nut Panel N15 1040 46 Washer x 2 Carring handle C91 0079 05 0 01 125 C1 N30 2608 41 Screw x 2 DC N30 3006 41 Screw x 7 Lamp PLL DIN 04 0152 05 type receptacle 30 3008 41 Screw x 2 07 0751 05 7P DIN plug accessory N30 301 2 46 Screw Panel m d E12 0001 15 Phone plug accessory N30 4006 46 Screw x 2 Carring handle i 18 0351 05 Inlet power 32 2606 46 Flat screw x 4 Meter E30 1643 15 AC Cable 55 35 3006 41 Bind screw 16 Case 0 1644 15 Cable ass y N87 2606 46 Bind tapping screw x16 0 1645 05 AC Cable WW N87 2608 46 Self tapping screw x5 E30 1647 05 AC Cable ass y
17. 1 VR3 1 R12 1040 05 Trim pot 4 7KQ VRS 1 12 1414 05 Trim pot 1 VR1 1 R12 2409 05 Trim pot B VR4 1 12 3045 05 Trim pot 10 0 VR7 8 2 12 3046 05 Trim pot 47KQ B VR6 1 R12 5030 05 Trim pot 1 B VR10 1 R12 6401 05 Trim pot 470 2 VR9 1 R90 0522 05 Resistor block 47 0 6 RA 1 1 M R92 0150 05 Short jumper 590 0406 05 Slide switch ATT 15 9 1 lt gt lt Tre dq uus En i 0 a a 4 gt 5 n o 22 ea a gt a x 5 2 c 3 2 PEN 2 S z i t N s 2 e 125 5 924 C 4m 3 e S 277 T 19 0 oe gt 21 gt gt 9 te 0 hdi omen 2 2 022 8123 0198 2 oe TRENE gt TG 1013 59992992 lt 005 2 50 un 18 P NANNAN SIF E ec e Piet 1 i B D F H SCHEMATIC DIAGRAM RX UNIT X55 1340 00 R 20 Measurement conditions Signal Freq 14 525 MHz USB no signal Control otes N Common DC line Se 1 1 5 2 0 Squelch open close FM Mode 91 3 4 9 10 12 13 3SK73 GR Q30 48 51 61 2SA1015 Y 054 AN780
18. 10 047551 64 65 151555 T gg oje neo XI 5 ee 271 1 P 524 523 1 523 2 523 5 525 4 S RX UNIT 55 1340 OO NARROW WIDE SLOW FAST d 062 151555 b 2 a p uana Q1 2SA1015 Y 0 9 amp Q2 2 282 SW UNIT 2 2 m X41 1480 XX 0 10 S28 29 527 4233 SW UNIT SW 41 1480 F 10 41 1480 1 10 A AAEM d OT ELIT 515 514 513 512 514 522 521 510 59 58 57 56 55 54 53 52 51 AUTO HOLO P S M S M IN HOUR MINUTE 9 8 7 6 5 4 3 2 530 2 FUNCTION 530 1 __ 2 4 31 5 DEEE pen 5 gt ____ L D Q 1 es eie P aren SES UN Q AN 5 CONVERTER REMOTE EXT SP 8 OSTA Ta i AAA BAM 22 24 2 a 22221222 5 22212 205 22 52 ee 059 2 FREQ QON TIME 252515 pelo cot eh ee eh ee MORE CART ee 6 J a wien OFF TIME 9999 516 517 518 95
19. 2406 05 542 4402 05 550 1409 05 550 1411 05 550 1412 05 Rotary switch FUNCTION Voltage select switch Push switch NB DIM AGC Push switch NAR WIDE Push switch power timer Push switch tuning speed Tact switch BAND Tact switch MODE Tact switch 530 540 527 29 524 531 523 525 26 516 20 51 15 21 22 CK45B1H102K oN woe 45 1 221 CK45F1H103Z CK45F1H223Z 45 1 4732 CQ92M1H103K CQ92M1H104K PLL UNIT X50 1920 00 CO92M1H123K CO92M1H333K CQ92M1H472K 05 0013 15 Ceramic trimmer CC45CH1HO10C CC45CH1HO30C CC45CH1HO50C C 1P 0 25 C 3P x 0 25P C 5P 0 25P C88 C15 22 37 38 57 58 87 154 C31 134 136 23 33 53 117 121 122 126 127 151 C116 C90 0817 05 91 0456 05 CC45CH1HORBC CC45CH1H100D 5 0 25 10P 0 5P 4 0154 05 06 0752 05 CC45CH1H120J METER NS th AERE SV Sal TDI C 15P C 22P C 1P 0 25 C 2P 0 25P 0 25P 0 5P 7 0 5 10P 0 5P C 22P C 33P C 47P C 56P C 100P C 120P C 18P C 180P C 33P C 56P E 100 10V E 47 10V E 100 16V 22 16V 220 16V 10 25V E47 25V 0 1 50V E 1 50V E 10 50V 0 47 50V E47 50V C 0 001 C 220P C 0 01 C 0 022 C 0 047 ML 0 01 ML O 1 ML 0 012 M
20. 25 33 34 42 43 52 53 61 62 72 74 75 77 79 85 86 91 103 106 108 114 120 132 135 137 140 142 177 184 185 187 180 195 198 66 88 89 244 246 C90 0817 05 C91 0131 05 E 1000 16V C 0 01 25V 91 0456 05 0 047 25 91 0490 05 1000P 50V 04 0154 05 04 0157 05 21 0461 05 23 0512 05 29 0434 05 40 0273 05 40 0373 05 40 0473 05 40 0573 05 Coax connector Mini pin jack A 4P pusch terminal Terminal 1 connector Mini connector 2P Mini connector 3P Mini connector 4P Mini connector 5P J13 0039 05 J31 0502 04 J42 0428 05 Fuse holder PC Board collar PC Board bush L19 0324 05 L30 0503 05 130 0504 05 132 0646 05 134 0540 05 Wide band width transformer IFT 455KHz IFT 455KHz OSC coil 455KHz BFO Tuning coil 455KHz m L34 0858 05 Tuning coil 46MHz 1 L34 0864 05 Tuning coil 455KHz 4 1 L34 0865 15 Tuning coil 455KHz T15 1 L34 0866 15 Tuning coil 455KHz T16 1 L34 0868 05 Tuning coil 455KHz T18 1 L34 2068 05 Tuning coil 46MHz T6 7 2 L34 2109 15 Tuning coil 46MHz T3 1 L34 2148 05 Tuning 9 42MHz T13 1 L34 2149 05 Tuning coil 36MHz T9 1 L34 2150 05 Tuning coil 46 MHz T8 1 L34 2151 05 Tunin
21. 92 j 6561252 viva GNve 5181262 AWG SOBLNY CST Ss 5 E SOQLNV Viva WAY As 1HWSOS 66 6161252 6181252 6161252 oa 6 gt 250 3308 3308 mM X s 5261552 6441252 1 915 4015 01680 2435 NVOS d 114 221 65181252 5181252 5181252 021 1402 4015 1 024045 9181252 08559 5720 8 8 252 iNO 1N32 Q 6181252 6181252 asna Stoivsz 3308 96169145 taeda 6 v2t 9181556 os sigs 6181252 299 N 270276 siginsz 608LNY BAY 3308 p n 6 5181252 5191552 41252 6181250 8561252 YAY NOD MS dWv 20 dv 3SION NOD MS Y 9 t90 ti U313W lt 1HWSOSBC 6 6 6181252 2 5181252 1 4 0922250 wa 31 cme u ams a e m pr 4 45 U89CL VH THAL 997 850 6181252 6161252 dy 4v NIVD dv tSv 851 250 1 P 1 2545 XIN PIE 0922252 5 5181258 61252 9181252 rz mews ED CORE STEN eR mm 25 12 X 108100 031 HOIVOIONI ICON HOLIMS ONILv 3sdO Ingino 10311 00 0261
22. CLOCK Display changes 10 kHz and TIMMER Display changes in 500 Hz step Changes 100 kHz Changes in 5 kHz step Changes 1 MHz The MHz digit scans up in 1 MHz steps and stop when the display indicates 29 995 0 kHz W2 type stops tuning at 25 995 0 The MHz digit scans down to 0 10020 at a 1 MHz step W2 type stops tuning at 0 150 0 and X type stops at 2 0000 The display should not change Adjustment MIN R 2000 Specifications 1 or less Typical 10 11 Repeat steps 1 and 2 so the NB functions on noise which is below the minimum 1 POWER OFF FUNCTION CLOCK 1 2 TIMER ON 3 TIMER ON Simultaneously press both the HOUR and MI NUTE TIME SET swit ches 4 FUNCTION CLOCK 2 Keep the HOUR and MI NUTE switches depres sed Set the hours digit 5 FUNCTION ON Set the TIMER display to 0 02 6 FUNCTION OFF Set the TIMER display to 0 03 7 FUNCTION CLOCK 1 Set the TIMER display to 0 02 Set the TIMER display to 0 03 70 dB or more Tone should remain audible even when the AF GAIN is redu ced to MIN The S meter and display il lumination should be redu ced The clock should function Tha illumination should be dim TIMER ERROR red indi cator should light CLOCK display flashes CLOCK display should be 0 00 TIMER ERROR red indi cator should go off The display should conti nuously advance The display should in
23. Dual time When power is supplied the clock indication blinks When CLOCK 1 is reset the indication stops the blinking 2 Setting time Reset CLOCK 1 to stop the blinking At that time the se conds digit is set to 0 When the indication 18 blinking the time cannot set Resetting CLOCK 2 does not stop the indication blinking CLOCK 1 ON ON Reset to 0 00 ON OFF The minutes digits are maintained the hours digit 46 incremented and the se conds digits count The hours digit is maintai ned the minutes digits are incremented and the se conds digits count R 2000 CIRCUIT DESCRIPTION CLOCK 2 Reset to 0 00 and the se conds digits count The minutes digits are maintained the hours digit is incremented and the se conds digits count The hours digit is maintai ned the minutes digits are incremented and the se conds digits count ON ON The clock employs the 24 hour system 0 00 23 59 2 0 00 3 15 gt 3 16 Each time the HOUR or MINUTE switch is pressed the corresponding digit is incremented by 1 When the switch is kept pressed the digit is continuouly incremen ted at an interval of 0 12 seconds 3 When the power is shut off the CLOCK 1 and CLOCK 2 are reset to 0 00 When the power is supplied again the indication blinks 7 Timer function 1 TIMER switch When the TIMER switch is set to ON regardless of the POW
24. FUNCTION switch is set to position other than FREQUENCY during the memory scanning opera tion or the POWER switch is set to OFF the scanning operation is released and the unit displayes the reception frequency and mode which were displayed before the scanning operation was started 5b P SCAN function 1 Scan When the P S switch is pressed the P S indicator lights and the data stored in channel 9 is recalled When the switch is released the frequencies between channel 9 and channel are scanned The reception mode stored in channel 9 is used as a refe rence and the scanning direction is from channel 9 to 0 When the scanning operation reaches channel 0 it starts from channel 9 again At that time a beep signal sounds to indicate that the P SCAN operation has finished one Cycle The scan step can be selected with scan step switch and the reception mode can be changed When the mode is change the mode does not change until one cycle of P SCAN operation is finished When the P SCAN operation is finished When the P SCAN switch is pressed again the P SCAN indicator goes off the scanning operation stops and the unit displays the frequency and mode which were dis played before the scanning operation was started 2 HOLD When the HOLD switch is pressed during 5 tion the HOLD indicator lights the scanning operation stops and the VFO shifts the frequency within the range of the P SCAN frequency At th
25. OSX LINN 314 pud SNS viva indN CA 6181252 9 8 252 3308 3 dWYv 38 SP0 905 7 Wk eH HH LLY 38 ol Le AT S1i0tvst 2603452 D V Y lt WEN IHWt St 0 00 OPEL SSX XY V P M MY AS OS AS A 2018 Ll Ls oes 1 D C OPERATION KIT OPTION PARTS LIST Re Ref escription B50 2703 00 instruction sheet 08 0203 25 Cable with 2P connector E31 2027 05 Cable with terminal 0 1646 05 DC cable 55 05 1023 05 Fuse UL 1A x2 H25 0029 04 Protective bag 60 mm x 110 mm 25 0117 04 Protective bag 80 mm x 250 mm E 3 MANU UA LMAN P A Phone 732 238 8964 27 Walling St Sayreville NJ 08872 1818 e Web http manualm e mail manualman jt Quality Is The Number ic ustomer product of TRIO KENWOOPD CORPORATION 2 _ 17 5 2 Shibuya shibuya ku Tokyo 150 Japan Za TRIO KENWOOD COMMUNICATIONS 1111 West Walnut Street Compton California 90220 U S A TRIO KENWOOD COMMUNICATIONS GmbH D 6374 Steinbach TS Industriestrasse West Germ
26. a PLL IC2 Display SEGMENT output b Beep output Display SEGMENT output c TIMER error Display SEGMENT output d SCAN Display SEGMENT output PG SCAN LED output Display SEGMENT output f HOLD Display SEGMENT output g AUTO Display SEGMENT output point Latch clock output Active L R 2000 PARTS LIST CAPACITORS Rating voltage 45 TH 1H 220 J 4 1 2 3 4 5 6 1 n ceramic electrolytic 4 Voltage rating Que Shape found square etc 5 Value ne 24 seats ul coefficient Example CC45TH 470 60ppm Tolerance Cod Resistors not listed in this parts list are standard fixed carbon composition 1 4W or 1 8W The resistance values in ohms are indi cated on the schematic diagram SEM CONDUCTOR 1N60 1N4448 181007 151555 151587 152588 282 RD4 7EB3 WZ 061 WZ 071 WZ 110 2 060 0 1110 LM358P 562380 SR538D SY438D TLG205 TLR205 o Te onc 96 0 25 0 5 2 5 10 20 40 E 20 201 0 Fs p ow Capacitor value CC45 103 0 01 1 Color 3X 220 22pF 100 10pF 7 e 1st number Multiplier 1 0 1 100pF 2nd number 1 0 2 1000pF 0
27. t8 20 0960 10 8525 70 0180 89 47 0 20 x mains 60 2 10 623 Zx oojsaqgny 801003 198 A sse qouy 21 1 0 61 61 9790 914 ysew 5 m 91 9650 4041 0 8920 6220 Z 9004 usnd 88 2 16 17 900 Jeau dS Z X P L 92vO Z2 l 0 1920 623 NMOG 2 qoux x qouy pap SIR ov 9092 OEN X 12 08 1 19 27 Bus N ANO 80 1190 103 Wee o 8910 620 10 087 L LYX ojpueu 25415 qoux usndfeji 00 087 1 17 C gt 01 3 YMS Se gt 05 2 qe 90 1790 158 2 RSS LA AR 22 3 T We N STOP LUE KS N qe WS o gt sy Joued qng Ra 3 9v 900 88N maas 4 dey 70 6290 208 9v c LOE 8N x maus 1481 deL OL V HUN iun Ajddns 3 40 5908 101 1y 900 48N x mains jaued 97 2 LOE 28N 17 900 9 6 x mados 1481 de x DISASSEMBLY 20 6 60 10 1 49 8525
28. 00 0 vetoseseosoensvevovevececeeseveeececceccesdosoesoossoneteesonensvsossosshaoseeccecccno MEMORY 2 MEMO 2 15 000 0 errr rer rer rrr rrereereeere 60840060000 MEMORY 0 15 000 0 ADJUSTMENT POINT TOP VIEW L od6n T2 LO2 vco 7 VR PG SCAN 2 SPEED PLL UNIT X50 1920 00 BOTTOM VIEW TIG VR4 NS Ti4 2 T18 T17 016 8136 a RX UNIT X55 1340 00 M M M E Nn NN R 2000 ENCODER UNIT 54 1690 00 29 R 2000 PLL unit gt gt gt 00 02 00 ANANA 4 00 01 00 Connec Terminal tor No Name Destination unction AX RX RX Switch Switch Switch Switch Switch RX RX RX Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Switch Encoder Encoder Encoder Encoder Phone jack Phone jack RX Switch TERMINAL FUNCTION 3rd Local OSC ou
29. 00K 41 100y 100K R214 8217 C207 22 2 2K C205 22 2 7K 6 who R216 8 8213 2 8V va gt C S 0022 6 2 20 C108 047 42 100 1 44 1005 coa 01 C86 047 C85 047 3 4 81 R230 100 206 0 19 6 028 240 027 240P R286 100 4 UVF 8 0 3 8V F 1 5 558 am 558 d SCAN SCAN A 4 1V F 7 6 0V 0 7 V F 3 49 RIGS 100 aoe 58 oY Cl s 27P BFO LEVEL 9 020 250mv rms x 3 RIGO 47K 22 5 38 668 sis 8500 1 J 5 9 68 40By d 2520 28 248 5 y 7 8 01 558 AMP 7 6 6 2 o 3 o gt 2 Ie C246 047 1 OMH t7 MH C243 047 R284 47 R225 100K L22 23 9 010 R255 47K 22y R229 520 R197 6 R261 47K lt 2 lt 1 50 R168 us A A 5 lt C168 C167 033 lt 170 48 99 im P lt 8186 3 3M 47K eo gs R161 R162 2 3 30 82 ASMH IMH RAL 47 6 roa ERE 1 1 8
30. 030 46 N30 2606 46 N30 3006 46 N30 3008 46 R12 6401 05 RS14AB3D101J Trim pot 470K B Metal film 1002 5 2W 1 1 RS14AB3D150J Metal film 1542 5 2W 1 04 1 010 1 50V 890 0162 05 Inline block 47kQx 8 3 155 157 159 R92 0563 05 Inline block 150kQx 5 2 172 197 255 R92 0150 05 Short jumper 19 CEO4W1HR22M 0 22 50V 2000 PARTS LIST 4 1 282 2 2 50 152 178 179 CEO4W1H3R3M E 3 3 50V C209 CEOAW1HRA47M E 0 47 50V C146 151 153 180 C211 C87 94 100 107 196 245 C8 10 20 C73 92 98 113 115 116 121 122 131 136 163 171 186 22 1 232 241 CEO4W1H4R7M CK45B1H102K E47 50V C 0 001 CK45B1H681K CK45F1H103Z C 680P 0 01 CO92M1H102K ML 0 001 C5 7 168 200 254 CQ92M1H103K ML 0 01 C206 222 225 CO92M1H104K ML 0 1 C219 220 239 253 CQ92M1H122K ML 0 0012 C9 48 50 CO92M1H183K ML 0 018 C201 0 92 1 222 1 0 0022 C47 202 204 208 CQ92M1H272K ML 0 0027 C49 57 59 CQ92M1H333K ML 0 033 C55 56 167 173 174 CQ92M1H392K ML 0 0039 C45 46 230 CQ92M1H393K ML 0 039 C203 CQ92M1H473K ML 0 047 C199 213 229 CQ92M1H562K ML 0 0056 C58 CQO9FS1H561G ML 560P 2 C166 C236 4 65 70 81 84 97 99 101 102 143 145 154 189 216 227 C82 248 249 12 14 23
31. 147 and a loop filter consisting of Q8 Q9 and 010 25 1775 The VCO output is buffered 012 divided 1 100 to 395 05 455 00 kHz by MN54459L buffered 013 and mixed with the 9 MHz reference signal by 4 SN16913P to obtain the 9 39505 9 445 MHz third local oscillator fre quency This is filtered CF1 and amplified Q15 then sent to the Receiver unit 5 Unlock muting The output from PLL IC2 pin 2 unlock becomes an unlock signal through 21 TA7324P 071 and is used to control the audio muting circuit on Switch unit B to reduce or eliminate any pulse noise which may be generated when the frequency is changed and the PLL momentarily resets 2 Control unit 5 1 Rotary encoder input circuit On the Encoder unit a 50 slit rotary disc and 2 pho tointerruptors generate 2 clock signals having a 90 phase difference which are input to the Control unit via the EN1 and EN2 lines These clock signals are waveform shaped by IC6 quadrupled by the gate cir cuit consisting of IC7 and 8 the 50 pulse rev signal is changed to a 200 pulse rev signal and applied 12 through Flip Flop 9 1 4 to the microprocessor No 39 T1 port At the same time the 5 rota tional dirction is detected from the clock pulses by the FF circuit IC9 1 4 and is input to microprocessor pin 29 Port 37 The waveforms at each point are shown in Fig 1 Encoder rotates for Rotates for Down 4
32. 1H820J 82 40 170 243 T1 2 122 39 167 68 L6 11 19 40 44 46 50 57 65 L58 66 L51 56 L7 9 12 20 23 27 59 60 132 L29 31 34 L26 113 15 45 121 140 1011 13 140 1011 14 140 1021 03 Ferri inductor 100 Ferri inductor 100uH Ferri inductor1mH L40 1092 14 L40 1292 14 L40 1501 03 140 151 1 03 140 1541 27 140 1801 03 140 1892 14 140 2201 03 140 2211 03 140 2225 04 L40 2282 14 140 3982 14 140 4701 03 140 4711 03 172 0337 05 L77 0984 05 L78 0005 05 Ferri inductor 14H Ferri inductor 1 2 Ferri inductor 154H Ferri inductor 150uH Ferri inductor 150uH Ferri inductor 18 Ferri inductOr 1 Ferri inductor 22uH Ferri inductor 220 Ferri inductor 2 2mH Ferri inductor 0 22uH Ferri inductor 0 39uH Ferri inductor 47 Ferri inductor 470uH Ceramic filter 9 42MHz Crystal 9MHz Ceramic oscillator 5 745MHz Qi N N m WN CEO4W1A101M E 100 10V C233 247 CEO4W1A470M E 47 10V C156 158 160 226 231 237 251 252 CEO4W1C100M E 10 16V C11 15 22 26 32 35 41 44 z 51 54 60 63 64 71 76 78 83 112 117 119 123 130 147 148 150 176 181 210 212 214 228 240 r CEO4AW1C101M 100 16V 04 1 102 1000 16V 04 1 221 220 16V CEO4W1HOR1M EO1 50V X ON ae 9 2 Screw Screw Screw Screw Screw 09 0641 05 10 2
33. 2 0316 05 RX unit F5 FM 80 dB or more at 100 Hz to 455 1 kHz and 456 3 kHz to 2 MHz imput and output impedance 2kQ 15pF Table 5 CW Crystal filter L71 0206 05 Y G 455C Option Guaranteed attenuation 80 dB or more at 100 Hz to 455 3 kHz and 456 1 kHz to 2 MHz Input and output impedance 2kQ 15pF Table 6 CW Crystal filter L71 0207 05 YG 455CN Option Guaranteed attenuation PLL Phase locked loop unit X50 1920 00 The PLL unit houses the PLL oscillator circuit microproces sor control circuit and the NB amplifier circuits In the PLL circuit there is a 9 MHz reference frequency crystal oscilla tor the first local oscillator 45 90 75 85 MHz second local oscillator 36 MHz and third local oscillator 9 395 9 445 MHz which are output to the Receiver unit The digital circuit peripheral to the microprocessor controls the PLL circuit frequency display clock timer input inter face rotary encoder mode speed and memory 1 PLL circuit 1 Reference frequency oscillator 01 operates at a reference frequency of 9 MHz which is supplied to the second and third local oscillator cir cuits through buffer Q2 Via buffer Q3 4 5 MHz signal divided 1 2 by IC1 is supplied through buffer Q4 to the first local oscillator PLL circuit The reference frequency is also buffered Q6 and divided down to 1 kHz by IC2 for use as a clock refer
34. 8 519 158 20 LLL G 2 BER D56 57 58 W 59 X 63 154555 PLL UNIT X50 1920 00 0 1 35 45 46 151555 037 39 TLG 205 040 41 562380 TLY 205 038 8 205 042 44 574380 SW UNIT X41 1480 XX A 10 20140 010240104 2077 3 H Hof sre 41 1480 6 10 Ill 9 44 5 3 72 124 ENCODER UNIT 1 X54 1690 00 GNO NACE eC 1 5 054 2 mE E 9 2SA1015 Y 4 052 54 151555 SR538D 21 1 7 900 SEN 8 x 5 yoeq ajpuey R 2000 E EIAN YS ORI MINER E EI 30 5550 0 vO 1 L0 62 gt 0 42 127 qouy gx 1004 0 82 0 20 100 JuRISIssy v0 69 0 L2 qou uen v0 9 20 62 x qoux usnd 0 49 2 02 jaued 0 9 0 20 0 8 10 624 gx qouy x 1004 70 2090 668 zx 4a0edS 3QIAMHVN 9004 usnd 71 0590 508 auigu YOUMS v0 410 625l AGOW qou usnd 70 1290 208 i pO 8ELO EZX NOLLONNS gt NS lt B qoux A 1 70 4890 9 v0 9890
35. 9 01 14 8 282 043 033A Test point RAT 02 5 5 11 14 20 28 31 37 38 032 1 6 055 25C2878 015 20 24 151587 054 047 2 XXmVrms Level UR 24 40 47 49 56 59 60 033 25616754 057 HAIS68R D21 23 451007 057 20030 331 Adjusting point 9 LOW IMP son 25 1815 Y Q34 2 5 058 SN74LS145N D25 29 37 38 41 2 E GND 27 8 3SKTA L 035 36 1 25 1775 42 44 45 INGO Q GNO Q15 18 52 1 4 939 NJM4558D 030 36 46 48 51 53 2 2 C Tono 29 50 25 192 68 453 28C1959 Y 60 61 2151555 eee 9 HIGH IMP 5000 NB BUFF Ras 100 2 6 3 sov 4 RX UNIT 55 1340 00 n n ai 51 10 449 1669 40 875 IF TRAP _2 6 7 136 5 7 7 9 0 Sor 33u 33u 07 043 150 TO 8 18 23 12 5 a gt milan 2P 01 8 Q7 2 3v i8 cro o1 215 g 2 41 588 1 R275 8 8 89 ie 35 548 9 35 248 2 ea Kr ie a 3 3v 16281 LN BUFF 2 2 me SMH tol 29m 9 t o o x 3 5 a Ma n 81 2 SIS c 07 75 8 6 5 0 R58 470 R64 1
36. ER switch setting the power is turned off and the ti mer functions The CLOCK 1 and ON TIME are compa red and power is supplied when the set times coincide Then the CLOCK 2 and OFF time are compared and power is shut off when the set times coincide Output pass Tr Over current protection Differen te voltage protection VIN VOUT Fig 4 AN7809 RX unit Q54 PLL unit 1220 AN7805 PLL unit 1218 19 When the and OFF times are the same the power is not turned on 2 When CLOCK 1 indication blinks setting the TIMER switch ON will not operate the timer and the TIMER ER ROR indicator will lights 2 Time setting ON OFF Reset to 0 00 N OFF The minutes digits maintained and the hours digits are incremented OFF ON The hours digit is maintai ned and the minutes digits are incremented The HOUR and MINUTE switches function in the same way as for the clock 3 The CLOCK and ON OFF TIME are displayed regardless of the POWER switch setting 8 BACK UP When the memory back up lithium battery is loaded the data frequency and mode stored in the memory last recep tion frequency and mode and ON OFF TIME are backed up even when the power is shut off 9 Dimmer function When the DIMMER switch is set to ON or the POWER switch is set to OFF the brightness of the digital display and meter decreases r
37. Hz during the first hour after 1 minute of warm up Within 50 Hz during any 30 min utes period thereafter Frequency Accuracy 10 x 10 6 or better at normal temperatures Squeich Sensitivity threshold dBu 1 AM SSB CW Less than 3 12 uV FM Less than 0 5 uV Audio Load Impedance 42 to 162 Audio Output Power 1 5W 82 load 10 distortion Antenna Impedance 502 5002 Power Consumption at no signal 14W 13 8 DC 0 6 with optional DCK 1 at Memory Back up 3W AC 13 8V DC 0 1A with optional DCK 1 Power Requirements 100 120 220 240V AC 50 60 Hz 13 8V DC with optional DCK 1 Dimensions 375 14 8 W x 115 4 5 H x 210 8 3 D mm inch Weight 5 5 kg 12 1 Ibs approx R 2000 CIRCUIT DESCRIPTION RX unit X55 1340 00 R 2000 is a triple conversion general coverage receiver with a first IF of 45 85 45 90 MHz 9 85 9 90 MHz second IF and a 455 kHz third IF Both low 50 2 or high 5002 impedance antenna termin als are provided for all bands The signal supplied through the antenna terminal goes to the antenna fuse 100 mA and three step RF attenuator 10 20 and 30 dB It next enters the BPF Band Pass Filter which divides the 0 15 30 MHz range into 6 bands 0 15 MHz 1 MHz 1 MHz 2 MHz 2 MHz 4 MHz 4 MHz 8 MHz 8 MHz 17 MHz and 17 MHz 30 MHz Q58 SN74LS145N converts the BCD band data signal from the PLL control circuit to select the appropriate BPF for the fr
38. ITCH UNIT X41 1480 Component side view 02 00 0881 d 1480 00 F 10 v4 Ln 7 9 wow am oan ee 01 00 0891 ipx 41 1480 00 6 10 X41 1480 00 3 10 105 01 8 00 SCHEMATIC DIAGRAM R 2000 Signal line Gdi SW UNIT W UNIT SW UNIT 52 Low 1 41 1480 9 10 41 1480 10 SW UNIT X41 1480 XX 10 41 1480 10 ANT nd OEE ERETO EEEE 5 a MENT 6 1 0 4 100 PHONES 805 67 31 Tole z O P y 5 fF ofl 2199 2 oy y Uo ir Ib d gt D gt gt 5 potan X 5 i WAP AL Y TU 6 5 E V RU oq os piane ES a 2 gt 3 M X 8 20 EN Haa il exl mE 2 ama 2 0 Kayo wor 26 00 2 Ais xd dite 3 sjo RHONE SW UNIT X41 1480 XX
39. Knob ass y x 5 87 3006 41 Self tapping screw x 25 FO5 1013 05 Fuse x 2 0 1A accessory Push switch etc FO5 1521 05 Fuse 1 5A accessory N87 3008 41 Self tapping screw x 2 ANT SP 15 0646 04 Switch mask Piano switch N87 3010 46 Self tapping screw x 3 SP F19 0610 04 Connector mask DC13 8V N87 301 2 46 Tap tight screw x 24 PC boad 19 0622 04 Rear cover N88 3006 46 Tap tight screw x 10 Sub panel etc G13 0669 04 G16 0506 04 G53 0510 04 Cushion MODE Anti vibration sheet Case Packing x 2 Case 90 0405 05 Rotary remote switch ATT TO7 0225 15 Speaker 01 4463 04 Packing carton K M W W2 X X41 1480 00 Switch unit 1 4464 4 packing carton T X41 1480 61 Switch unit H03 2098 04 Packing carton X41 1480 71 Switch unit PR H10 2569 02 Packing fixture R X50 1920 00 PLL unit H10 2570 02 Packing fixture L X54 1690 00 Encoder unit H12 1320 04 Cushion X55 1340 00 RX unit H20 1419 03 Protective cover H25 0029 04 Protectivebag 60x100 H25 0105 04 Protective bag 150 350 J02 0323 05 02 0403 04 02 0428 05 J19 1369 04 J19 1372 14 J21 2573 04 J21 2788 04 J32 0767 04 Foot x 4 Case lower Rubber foot x 4 Case Assistant foot Case lower Knob metal fittings Piano switch Knob metal fittings Piano switch Foot metal fittings x 2 Case Speaker metal fittings x 3 Hex bos
40. L 0 033 ML 0 0047 C52 76 150 C14 155 C135 C133 142 C138 C140 143 146 C51 115 120 125 C144 C141 C49 118 C113 C13 16 26 C147 C181 182 C68 C11 C65 67 112 C175 C177 185 C222 C18 47 55 97 100 C186 C187 189 C213 217 C180 C178 231 C190 191 C227 230 C201 C40 60 64 66 70 79 80 82 90 148 153 157 159 166 172 198 202 234 236 12 25 36 54 63 98 99 111 131 132 137 149 152 156 160 188 203 211 235 24 28 29 39 56 59 74 83 84 85 89 129 193 197 204 210 237 21 35 41 42 61 62 69 77 91 167 170 176 179 184 199 212 216 224 225 228 232 238 1000 16V 0 047 25V 19 46 71 73 96 162 168 169 171 183 192 200 223 226 229 Coax connector DIN connector 7P REMOTE C92 93 C45 95 214 215 218 221 C43 44 94 C173 174 C48 128 C130 WAH HAH Oo ANH 2 uum R 2000 LS PARTS LIST im m 06 1051 05 551 2408 05 1 09 0323 05 Lithium battery 1 ENCODER UNIT 54 1690 00 CEO4WOJ101M E 100 6 33V DIN connector 10P V CONVERTER MIC jack EXT SP Square terminal Mini connector 2P Mini connector 3P Mini connector 4P Mini connector 5P Mini connector 6P Mini connector 7P E11 0408 05 E23 0046 04 E40 0273 05 E40 0373 05 E40 0473 05 E40 0573 05 E40 0673 05 E40 0773 05 N
41. any p TRIO KENVWOOD ELECTRONICS Leuvensesteenweg 504 B 1930 Zaventem Belgium TRIO KENWOOD AUSTRALIA PTY LTD 4E Woodcock Place Lane Cove N S W 2066 Australia 1983 1 PRINTED IN JAPAN 51 0981 00 T W X 6 1700
42. bandwidths are 2 7 kHz 24 6 kHz and F5 15 kHz Filter is used the AM narrow 55 CW wide modes F4 in the AM wide mode and F5 in the mode Filter position F2 is provided for the CW narrow mode and an optional YG 455C or YG 455CN filter can be used _ third IF amplifiers are divided into two systems one for the FM mode and one for all other modes in the FM mode the signal passing through F5 is amplified by 032 TA7060P 033 25 1675 4 Q34 577 then detected by ceramic discriminator F6 and diodes 041 and 42 The noise component of the detected signal is amplified by 035 and 036 2SC1775 E rectified 044 45 DC am plified 037 and 38 then applied to squelch gate switch 041 2SC1815 Y center stop control 040 25 1815 and BUSY LED switch 042 and 043 25 1815 The DC voltage which is generated from the discriminator F6 is fed to window comparator Q39 NJM4558D which forms an AND circuit together with Q40 and generates the Program Scan center stop signal which is applied to the PLL control circuit 046 2SC1815 Y The FM IF signal from 033 is amplified by 059 2SC1815 Y and detected by D39 and 040 1 60 to drive the 5 meter in all modes other than EM the signal which has passed F2 through F4 are amplified by Q12 and Q13 3SK73 GR A sample of the IF signal is buffer by Q14 2SC1815 Y and is AM detected by D29 1N60 buffered by 015 a
43. dicate the time difference from CLOCK 1 Power should turn on and the unit should function Power should shut off 27 R 2000 ADJUSTMENT 6 RECALL POWER ON and TIMER OFF MODE FUNCTION FREQUENCY The MEMO indicator should change from 1 through The frequency display should indicte 15 000 0 for each channel Press MODE AM FM The green indicators USB LSB and CW swit should light for AM ches and FM modes The yellow indicators should light for USB LSB and CW modes Press memory switches 1 through 7 MEMORY MODE USB Press the M IN switch The beep should be heard and store 10 615 0 in when data is stored in channel 9 channels 9 and 0 Press the M IN switch and store 10 635 0 in channel 0 8 M SCAN 1 M SCAN ON The M SCAN indicator green should light and each channel should be scanned for 2 seconds 2 HOLD ON Release after test The scan should stop and the HOLD indicator red should light When the HOLD switch is again depressed scanning should resume 9 Select SCAN 1 M SCAN Press channels 1 through 3 and then channel 2 again twice C should be displayed the MEMO indicator and channels 1 and 3 should be scanned continuously
44. e 1st MIX BALANCE 1 f 187 3 kHz MODE USB TUNING STEP SLOW AF VM Oscillo Rear EXT SP RX panel Rear ANT panel EXT SP Rear ANT RX T21 panel EXT SP Set to S meter starting point mia d NEN 2 f 14 525 0 kHz SSG Rear S 1 SSG output 8 dBu 5 meter panel Adjust CCW from the peak 4 MODE FM VR6 44048 SSG output 30 48 1 MODE FM Between 1 and 3 AGC SLOW Squeich level SQUELCH Threshold BUSY indicator BFO Fine ad justment 1 f 14 525 0 kHz MODE USB then LSB Alternate MODE bet ween USB and LSB and adjust for equal noise tone Equal highs and lows Receive the 14 525 MHz generator signal in USB mode tune for 1 kHz beat frequency and AF output at 0 63 80 Set to LSB mode adjust for 1 kHz beat and mea sure the AF output diffe rence 2 SSG output 14 525 MHz 0 48 AF VM Oscillo FMsensitiv 1 f 14 525 0 kHz S N 20 dB or more ity MODE FM FM IF amp SSG output 6 dBu Oscillo MODE 1 kHz Scope DEV 5 kHz 2 SSG output 6 to 100 48 AF dummy load Confirm that the output is constant from 6 dB to 100 dB Specified output 7 S meter 1 MODE USB AGC FAST Zero adjustment 8 Squelch 2 MODE USB 3 f 14 525 0 kHz MODE USB SQUELCH Threshold SSG output 20 dBu The squelch should open at less t
45. e end frequency the ope ration stops in the HOLD mode memory storage is possible When new data is input to channel 9 the stored data can be used as the P SCAN range When the HOLD switch is pressed again the HOLD indi cator goes off and the scanning operation is resumed 3 BUSY signal stop When the squelch is opened during the P SCAN opera tion the BUSY indicator lights and the scanning opera tion stops When the squelch is closed the BUSY indica tor goes off and the scanning operation starts again Pressing the BAND UP DOWN switch when the scan ning scanning is stopped due to the squelch function will restart the scanning operation When the BAND UP DOWN switch is kept pressed the scanning operation does not stop even when the squelch opens The BUSY signal stop functions in all modes 4 When the FUNCTION switch is set to a position other than FREQUENCY or the POWER switch is set to OFF the scanning operation stops and the unit displays the received frequency and mode which were displayed be fore the scanning operation was started 5 When a converted is connected and the data stored in both channels 9 and O is not an HF or VHF frequency the M CH display shows E and the P SCAN does not func tion When the M CH display of the channels 9 and O shows E P SCAN does not function 6 Clock function 1 When the FUNCTION switch is set to CLOCK 1 or CLOCK 2 the unit display the time CLOCK 1 Reference time CLOCK 2
46. ence signal 2 First local oscillator circuit LO 1 The first local oscillator is obtained from the PLL Phase Locked Loop circuit Three VCOs Voltage Controlled Oscillator controlled by the microproces sor through Q20 22 cover the 45 90 75 85 MHz frequency range The VCO output is amplified by 026 027 028 Part of the signal 15 applied to buffer 016 25 1907 and 125 MN6147C The spurious component is eliminated from the remaining signal by a BPF and is output via buffer 029 and 030 25 1707 as the 01 signal 5 MN6147C consists of a programmable fre quency divider reference frequency divider and phase comparator which compares the reference and VCO frequencies comparision frequency 25 kHz The programmable dividers ratio 1836 3034 only even number is controlled by the microprocessor _ The phase error signal from the comparator is applied to the VCO by active filter Q17 Q18 and Q19 29614 79 3 Second local oscillator LO2 The reference frequency is quadrupled by Q5 2SC1815 to obtain the 36 MHz second local oscilla tion frequency R 2000 CIRCUIT DESCRIPTION 2 Program scan circuit 4 Third local oscillator LO3 This circuit consists of PLL 122 MN6147C which in corprates a 5 kHz PLL and mixer One VCO is provid the frequency range is 39 505 44 500 MHz and the dividing ratio range is 7901 8900 This PLL circuit is composed of VCO 011 2SC1923 PLL 2 6
47. equency selected Exiting the BPF the signal is fed to RF amp 1 3SK73 GR first IF trap operating at 40 875 MHz and emitter follower Q2 2SC1815 Y The RF signal is mixed with the first local oscillator 45 9 75 85 MHz and converted to the 45 85 45 90 MHz first IF by balanced mixer Q3 and Q4 3SK73 GR Q3 and O4 drain voltage is supplied through a switching cir cuit consisting of Q5 and Q6 controlled by Q47 and O48 2SC1815 Y will turn off when the VHB signal is applied from the PLL control circuit in the optional VHF reception mode At the same time the first IF circuit input is switched to the converter by switching diodes D13 and D14 182588 After passing the first IF LC filter the signal is converted to the 9 85 9 90 MHz second IF by the second balanced mixer O7 and 08 3SK74 L using the 36 MHz second local oscillator injection signal The second IF signal passes through ceramic filter F1 fo 9 875 MHz and is converted to the 455 KHz third IF by the third balanced mixer 09 and 010 3SK73 GR using the 9 445 9 395 MHz third local oscillator injection signal The signal is applied to the NB gate 015 16 A part of the _ signal is also applied to the NB Noise Blanker amplifiers on the PLL unit via buffer 011 2SC1815 Y The signal output from the NB gate is switched to the appropriate bandwidth third IF filter F2 F5 of 455 kHz then fed to the third IF amplifiers _ The IF filter
48. esulting in a dimmer effect Fig 5 HA1368R RX unit Q57 CIRCUIT DESCRIPTION CLOCK EQUIVALENT OF TYPICAL OF ALL EACH INPUT OUTPUTS INPUT OUTPUT Fig 6 SN74LS73N PLL unit IC1 2 veut gt a gt pre scaler FMLO 6 9 bd Swallow counter lt a FW AM 9 CPL s 13 DAI 02 Data Latch Phase DA2 9 comparator PD 09 Reference frequency 20 0501 0562 NC CK2 Fig 7 MN6147C PLL unit IC2 5 VOD VSS Dividing ratio 3 select input 7 Power supply Vec input reference 5 bias CML TTL Level converter O To Output VREFO Open collector output Dividing data output 1 20 1 100 Fig 8 544591 PLL unit 1 4 4011 XzA B VDD 4011 LATCH imn INPUT PORT 7 Fig 10 uPD82C43C PLL unit IC13 14 9G 88 7G 66 5G 46 36 26 16 Terminal No 1 2 3 4 5 6 7 9 10 11 12 13 14 Connection NC 9G NC NC 8G Pig P f 7G Pid 66 NC Terminal No 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Connection 56 NP NP 4G 3G 2G Pla NC 1G NP 2000 CIRCUIT DESCRIPTION 4 4 TOO 4 7 XTAL 2 O 3 P27 Operating voltage Vss 0 3 10 RESET 4 one 83 5 P25 input
49. g coil 9 9MHz T10 1 L34 2152 05 Tuning coil 9 9MHz T12 1 1134 2153 05 Tuning coil 9 9MHz T11 1 L40 1001 02 Ferri inductor 10 L24 26 2 L40 1011 03 Ferri inductor 100 141 42 44 45 4 140 1021 03 Ferri inductor 1mH L39 40 46 7 48 51 52 L40 1205 25 Ferri inductor 124H 131 32 2 L40 1092 02 Ferri inductor 1 154 1 140 1292 02 Ferri inductor 1 2 L9 10 14 16 4 L40 1892 02 Ferri inductor 1 112 13 2 140 2282 14 Ferri inductor 0 22 120 1 140 2791 02 Ferri inductor 2 7 uH L3 4 8 11 4 L40 3382 14 Ferri inductor 0 33yH L36 1 L40 3392 02 Ferri inductor 3 3uH L6 7 2 L40 3982 14 Ferri inductor 0 39 L22 23 2 L40 3991 02 Ferri inductor 3 9 4H L38 1 L40 4701 03 Ferri inductor 47 uH L43 50 2 L40 4711 03 Ferri inductor 47 L33 35 37 4 L40 4782 02 Ferri inductor 0 47 uH L19 21 2 L40 4791 02 Ferri inductor 4 7 uH 12 5 25 3 L40 4791 14 Ferri inductor 4 7 uH L53 1 L40 6825 04 Ferri inductor 6 8mH L49 1 L40 6882 02 Ferri inductor 0 68yH 115 17 18 3 L40 6891 02 Ferri inductor 6 8 127 28 2 L40 8209 25 Ferri inductor 82 129 30 2 L72 0316 05 Ceramic filter CFW 455E F5 1 L72 0319 05 Ceramic filter CFW 455 4 1 L72 0332 05 Ceramic filter CFWA455K1 F3 1 L72 0338 05 Ceramic filter SFE9 8MK F1 1 L79 0446 05 Ceramic discriminator F6 1 CFY455S 09 0641 05 10 2030 46 N30 3008 46 N30 3010 46 Round screw Screw Screw Screw 12 1038 05 Trim pot
50. han 20 and the BUSY indicator should light 4 MODE FM SQUELCH Threshold SSG output O dBu The squelch should open at less than dBy and the BUSY indicator should light 26 1 f 14 525 0 kHz MODE AM Condition WIDE NARROW WIDE _ Noise generator output level S meter indicator 5 1 SSG output 45 875 MHz 10 1st IF 1 29 525 0 kHz trap MODE USB 90 dBy 1 Encoder bes Dial 3 F LOCK SQUELCH Closed No noise T 11 1 AFGAIN Center TONE Center Connect R259 and R273 Disconnect after adjustment ADJUSTMENT Measurement Test it rt a Noise Rear generator panel S meter level SSG AF VM Oscillo Oscillo Scope AF dummy load 1 TUNING SPEED SLOW Display changes in Turn the tuning control clockwise and counterclockwise Turn the main tuning 1 turn 2 TUNING SPEED MID Turn the tuning control clockwise and counterclockwise Turn the main tuning 1 turn 3 TUNING SPEED FAST Turn the tuning control clockwise and counterclockwise Turn the main tuning 1 turn 1 TUNING SPEED FAST Keep the UP switch de pressed until tuning stops Then turn the tu ning control clockwise Keep the DOWN switch depressed until tuning stops Turn the tuning control counterclock wise F LOCK ON Turn the tuning control and BAND knob 100 Hz steps 6
51. ise and the MAIN control counterclockwise turned CW check that intervals D and E are also identical when the MAIN control is turned CCW 3 EN2 duty ratio adjustment Turn a motor in the both Adjust until intervals D direction and E are equal to each other with point C placed at the center 4 EN1 EN2 phase difference 1 EN2 Within adjustment Same as above 90 20 The dif ference between CW and CCW rota tion must also be within this specifi cation The phases of EN1 and EN2 may be re placed with each other as indicated in the brackets 7 PG SCAN 1 f 15 000 0 kHz SPEED MEMORY CH 9 Write in with M IN switch 2 f 15 010 0 kHz MEMORY CH 0 Write in with M IN switch 3j PG SCAN ON Turn clockwise counter clockwise to check scan speed change Set to mechanical center R 2000 ADJUSTMENT Adjusting Receiver Section Condition Test Specifications Unit Unit Method equipment 2 NI 1 MODE USB Frequency 456 500 Hz 50 Hz Coarse counter adjustment Sensitivity f 14 525 0 kHz SSG Rear ANT T1 amp MODE USB AF VM panel T2 T4 AGC FAST Oscillo T5 SSG output 0 dBu MAX Perform adjustment in the following order T5 T6 T7 T8 T7 T6 T5 T9 T10 T11 T12 T11 T10 T11 T12 T11 T10 T13 T14 T15 T16 T18 MIN Heterodyne S N 10 dB or mor
52. l Description 1 Digital VFO 1 Reception frequency The VFO continuously covers 100 kHz 29 999 95 kHz and stops at the end W2 type 150 kHz 25 99995 MHz X type 2MHz 29 99995 MHz 2 Frequency step wp som The step changeover frequency does not change When the VFO is operated with an increased step fre quency frequencies lower than the step frequency are rounded and the VFO scans up or down referring to that frequency Example SLOW step FAST step 1 3 160 45 MHz 3 160 4 MHz 3 165 00 MHz 3 165 0 MHz UP 3 155 00 MHz 3 155 0 MHz DOWN 2 3 163 45 MHz 3 163 4 MHz 3 170 MHz 3 170 0 MHz UP 3 160 00 MHz 3 160 0 MHz DOWN 3 3 168 45 MHz 3 168 4 MHz gt 3 170 00 MHz 3 170 0 MHz UP 3 160 00 MHz 3 160 0 MHz DOWN The above frequencies are displayed frequency the 10 Hz digits are not displayed 3 BAND function The frequency changes by a 1 MHz step when the BAND switch is operated When the switch is kept depressed the frequency changes continuously every 0 2 seconds A beep signal sounds every step The BAND function stops at the fequency limit and the beep signal does not sound When the down operation below the receivable range the final displayed freuency is the minimum receivable frequency Example DOWN UP 1 034 6 kHz 0 1000 2 1 100 0 kHz 4 F LOCK The VFO and BAND switch operation stop when the F LOCK switch is
53. nd diode switched by to the squelch controlled switch Q16 Output from Q14 is also rectified by D37 and 038 1N60 This signal is also split the rectified output is both AGC am plified by 023 28C1815 Y and squelch amplified by Q28 2SC1815 Y 029 2SK192A GR 030 25 1015 and 031 2SC1815 Y 024 CW and SSB and 025 25 1815 select the AGC slow time constant by mode AGC is applied dack to the RF and IF amplified The AGC voltage is also amplified by Q50 2SK192A GR and 051 2SA1015 Y to drive the S meter 026 and Q27 2SC1815 Y switch off power to the AM CW and SSB IF amplifiers and squelch amplifiers in the FM mode The out put of the squelch amplifiers Q31 is applied to the BUSY LED switch 044 2SC1815 Y scan stop switch O45 2SC1815 Y and squelch gate 016 2SC2240 GR 021 2SC1815 Y is the BFO circuit oscillator and Q22 2SC1815 Y the buffer The BFO output is applied to the product detector 025 028 1N60 020 2SC1815 Y is the LSB frequency shift switch The AM signal detected by D29 is buffered by Q15 25 2240 and the audio signal is selected according to mode by either for AM or D31 for SSB and CW This is fed through switch Q16 to audio amplifier Q17 28C2240 GR FM audio signal passes squelch gate 052 2SC2240 GR and then goes to Q17 Audio amplified by 017 is first fed to the VOLUME and TONE controls 018 2SC2240 GR provides output to the REC jack
54. nutes digit does not change during HOURS set Each time the MINUTE switch is depressed the Min utes digit increases by one When the switch is held ON the Minutes digit advances The Hours digit does not change during Minutes set To program the timer set the timer ON time and place the timer switch ON Receiver power remains off until the timer preset time is reached when the relay is activated and the power is switched on When the timer OFF time is programmed the power is turned off at that preset time When the timer switch is ON the power switch is inoperative The timer relay output is available at the Remote control terminals on the rear panel 4 Microprocessor power supply circuit When the microprocessor 12 uPD80C49C is in operation 5V should be applied to Vcc pin No 40 When the microprocessor is in the back up standby mode 2V should be applied When the power switch is turned off Q35 and Q36 change the level of RESET pin No 4 to low to protect the RAM the pin No 26 becomes low to stop the oscillator and the con tents of the RAM are maintained by the low standby voltage Vcc When the power is turned on 5V is applied to the Vcc pin the pin becomes high while the RESET pin is held low to activate the oscillator then the RESET pin 2223 TT returns to a logic high and the program is reset Oscillator stop Oscillator starts pud UP DOWN signal RESET e Ti inn i
55. s x 4 Meter 12 PARTS LIST Description 00 T W SWITCH UNIT 41 1480 00 61 We 71 X CC45CH1H150J CC45CH1H220J CC45RH1HO10C CC45RH1HO206 CEO4W1C100M E 10 16V CEO4W1H4R7M 47 50V CO92M1H102K ML 0 001 CC45RH1HO40C CO92M1H104K ML 0 1 C1 13 CC45RH1HOGOD 092 1 683 CK45F1H103Z CK45F1H473Z C90 0814 05 ML 0 068 C 0 01 C 0 047 C 4700 25V C3 C6 7 9 12 C21 23 24 C22 CC45RH1H220J CC45RH1H330J CC45RH1H470J5 CC45RH1H560J5 45511 101 CC45SL1H121J CC45SL1H180J CC45SL1H181J CC45SL1H330J 45511 560 AH E11 0413 05 E11 0414 05 23 0512 05 40 0273 05 40 0442 05 US jack phones US jack REC Terminal Mini connector 2P Power connector FO5 1521 05 Fuse 1 5A CEO4W1A101M 4 1 470 4 1 101 4 1 220 J13 0401 05 J30 0514 14 Fuse holder LED spacer RO1 3421 05 RO6 9406 05 RS14AB3A220J RS14AB3A470J R92 0150 05 Pot 10KQ A AF tone Pot Q2 B 10KQ B SQL Metal film 222 590 1W Metal film 472 5 1W Jumper wire CEO4W1C221M 4 1 100 4 1 470 4 1 CEO4W1H010M CEOAW1H100M CEO4W1HR47M 4 1 487 529 1429 05 529 1430 05 540 2440 15 540 2442 05 542
56. set to ON 5 BACK UP When the memory is not backed up the unit enters 15 000 00 kHz MODE AM after initial setting When the memory is backed up the unit enters the last reception frequency mode 2 MODE function With the mode select operation the 151 local oscillation fre quency is shifted and the displayed frequency is received 1st local oscillation frequency shift width Reference 0 1 7 kHz 1 7 kHz 0 7 kHz 3 MEMORY function 1 Memory contes Built in 10 channel memory Frequency and mode infor mation is stored 2 M IN function When 1 0 switch is pressed with the switch kept pressed the selected memory channel data is dis played the beep signal sounds and the displayed fre quency and mode are stored At that time the previously stored data i replaced with new data 3 MR function When M CH 1 O is pressed the stored memory con tents are recalled to the VFO enabling frequency shifting 4 AUTO M function When the AUTO M switch is pressed the AUTO M indi cator lights and the auto memory function turns on When the switch is pressed again the indicator goes off and the auto memory function turns off Auto memory ON The shifted frequency and mode are stored in the displayed memory channel Auto memory OFF The displayed memory channel con tents are not changed even when the frequency is shifted or the mode is changed R 2000 CIRCUIT DESCRIPTION Example
57. tput 2nd Local OSC output 1st Local OSC output 5V line Pulse input Pulse input Program SCAN speed adjust terminal 5V line AM 9V line FM 9V line USB 9V line LSB 9V line CW 9V line CW LED Y light LSB LED Y light USB LED Y light FM LED 6 light AM LED G light AUTO M LED 6 light HOLD LED R light P SCAN LED Y light M SCAN LED G light 5V line BPF select signal BPF select signal select signal BPF select singal 6 line MUTE control Speaker line RX 14V line 14V line 14 line 14V line 14V line Program SCAN stop input VHF signal output VHF H BEEP control output BEEP H Timer error LED R light 5V line Output common bus Output common bus Output common bus Output common bus Input data bus Input data bus Input data bus Output common bus Output common bus Input data bus Input data bus Output common bus Input data bus Input data bus Input data bus input data bus Input data bus Input data bus Input data bus Unlock A output VHF converter Band input VHF converter Band input VHF converter Band input converter AGC input VHF converter IF output NB IF input NB switch GND ON NB switching pulse output Dimmer switch 5V line X unit Connec Terminal Destination Function torNo
58. voltage Vss 0 3 0 3 D pos Output voltage Vss 0 3 0 3 5 vd Operating temperature 40 85 2 p 9 5 DT iss uPD80C49C S p 65 150 22112 08 O Pit Table 9 uPD80C49C 022 Max Rating P10 083 voo 084 PROG 085 P23 084 P22 Pet P20 Fig 12 uPD80C49C 022 Terminal name uPD80CA49C 022 TERMINAL FUNCTIONS Power ON OFF DATA input Microcomputer CLOCK 5 74MHz input EXPANDER control output RESET input Normally H Normally 5V Clock signal 1KHz input Normally GND STBY control input N lly ot used DATA input Program SCAN stop input EXPANDER SELECT L EX O H EX 1 TIMER OUT output Encoder UP DOWN input H UP L Down VHF signal output VHF H Encoder amp program SCAN clock pulse input Microcomputer 5V amp Back up power supply Mode output EXPANDER 0 1 13 uPD82C43C EXPANDER 1 1C14 PD82CA43C Terminal Terminal Ril 2 P40 Display DIGIT output 100HZ Display DIGIT output 1K Display DIGIT output 10K Display DIGIT output 100K Display DIGIT output 1M Active L Display DIGIT output 10M Display DIGIT output 100M Display DIGIT output CH B P F Data BCD PLL dividing ratio data address output amp DATA SELECTOR output PLL IC5 Display SEGMENT output
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