President_Johnny_III_ASC_ENG.pdf

上传人：cc518

文档编号：198153

上传时间：2025-03-08

格式：PDF

页数：60

大小：5.59MB

《President_Johnny_III_ASC_ENG.pdf》由会员分享，可在线阅读，更多相关《President_Johnny_III_ASC_ENG.pdf（60页珍藏版）》请在收音机爱好者资料库上搜索。

1、 JOHNNY III ASC HARRY III ASC SERVICE MANUAL -TECNNICAL CHARACTERITICS JOHNNY III ASC ( config: E EU PL ) HARRY III ASC ( config: E d EU EC U PL ) 1-GENERAL: -Multiconfiguration(E,d,EU,EC,U,PL) -E 40 channels AM/FM 4W (from 26,965Mhz to 27,405Mhz) -d 80 channels FM 4W (from 26,565Mhz to 27,405Mhz) 4

2、0 channels AM 1W (from 26,965Mhz to 27,405Mhz) -EU 40 channels FM 4W/AM 1W (from 26,965Mhz to 27,405Mhz) -EC 40 channels FM 4W (from 26,965Mhz to 27,405Mhz) -U 40 channels CEPT FM 4W (from 26,965Mhz to 27,405Mhz) 40 channels FM UK 4W (from 27,60125Mhz to 27,99125Mhz) -PL 40 channels AM/FM 4W (from 2

3、6,960Mhz to 27,400Mhz) -Channel step -10KHz -Class of emission -AM(A3E)/FM(F3E) -Power supply -13,2V (from10,8V to 15,6V) -Antenna impedance -50 -Dimensions(in mm) -125(L)x45(H)x150(D) -Weight -0,7Kg 2-TRANSMISSION: -Frequency allowance -200Hz -Transmission interference -Inferior to 4nW(-54dBm) -Aud

4、io frequency response -From 300Hz to 3kHz in AM/FM -Emitted power in the adjacent channel -Inferior to 20W -Microphone sensitivity -Inferior to 10mV -Current drain -1,7A(in transmission mode with modulation) -Modulated signal distortion -Inferior to 2% 3-RECEPTION: -Maximum sensitivity at 20dB sinad

5、 - 0,5V(- 113dBm) AM/FM -Audio frequency response - From 300Hz to 3kHz in AM/FM -Adjacent channel selectivity - Superior to 60dB -Frequency image rejection - Superior to 60dB -Intermodulation response - Superior to 54dB -Maximum audio power - 3W -Squelch sensitivity - Threshold 0,2V(- 120dBm)/Tight

6、1mV(- 47dBm) - Current drain - 300mA nominal/750mA maximum ALIGNMENT PROCEDURE (JOHNNY III ASC/ HARRY III ASC) * VCO/PLL PORTION - Alignment procedure - Test points - Frequencies chart * TRANSMITTER - Alignment procedure - Test points * RECEIVER - Alignment procedure - Test points Test equipement re

7、quired Frequency counter 200 Mhz HF Generator DC Volmeter BF Volmeter Distortiometer HF Volmeter Wattmeter - Dummy load Osilloscope FM linear detector Load 8 AF generator Sinad meter Conditions of Measurements on HF Generator Reception AM mode: Level - 107 dBm Frequency 1 KHz with 60% of modulation.

8、 FM mode: Level - 107 dBm Frequency 1 KHz with 1,2KHz of deviation. Transmission Frequency1 KHz 30mV. ALIGNMENT VCO/PLL 1 - Alignment procedure(13,2V;configuration”EU,E,d”) STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT 1 AM/FM(EU,E) RX mode Channel 20 CT301 Connect a frequency counter to TP200,and

9、 adjust CT301 to reach 37,900MHz. 2 AM/FM(EU,E) TX/RX mode Channel 40 Connect a voltmeter to TP 103,and check: Tx Channel 40=3V0,1V Rx Channel 40=2,8V0,1V 3 AM/FM(EU,E) TX/RX mode Channel 1 Connect a voltmeter to TP 103,and check: Tx Channel 1=2,6V0,1V Rx Channel 1=2,4V0,1V 4 AM/FM(EU,E) TX/RX mode

10、Channel 1 to 40 or 1 to 80(d) Connect a frequency counter to TP200,and check frequencies. TP200 TP103 CT301 ALIGNMENT VCO/PLL - FREQUENCY LIST (EU,E,EC) CH Channels Frequencies (MHz) VCO Frequencies (MHz) 1 26,965 37,660 2 26,975 37,670 3 26,985 37,680 4 27,005 37,700 5 27,015 37,710 6 27,025 37,720

11、 7 27,035 37,730 8 27,055 37,750 9 27,065 37,760 10 27,075 37,770 11 27,085 37,780 12 27,105 37,800 13 27,115 37,810 14 27,125 37,820 15 27,135 37,830 16 27,155 37,850 17 27,165 37,860 18 27,175 37,870 19 27,185 37,880 20 27,205 37,900 21 27,215 37,910 22 27,225 37,930 23 27,255 37,950 24 27,235 37,

12、930 25 27,245 37,940 26 27,265 37,960 27 27,275 37,970 28 27,285 37,980 29 27,295 37,990 30 27,305 38,000 31 27,315 38,010 32 27,325 38,020 33 27,335 38,030 34 27,345 38,040 35 27,355 38,050 36 27,365 38,060 37 27,375 38,070 38 27,385 38,080 39 27,395 38,090 40 27,405 38,100 - FREQUENCY LIST (PL) CH

13、 Channels Frequencies (MHz) VCO Frequencies (MHz) 1 26,960 37,655 2 26,970 37,665 3 26,980 37,675 4 27,000 37,695 5 27,010 37,705 6 27,020 37,715 7 27,030 37,725 8 27,050 37,745 9 27,060 37,755 10 27,070 37,765 11 27,080 37,775 12 27,100 37,795 13 27,110 37,805 14 27,120 37,815 15 27,130 37,825 16 2

14、7,150 37,845 17 27,160 37,855 18 27,170 37,865 19 27,180 37,875 20 27,200 37,895 21 27,210 37,905 22 27,220 37,915 23 27,250 37,945 24 27,230 37,925 25 27,240 37,935 26 27,260 37,955 27 27,270 37,965 28 27,280 37,975 29 27,290 37,985 30 27,300 37,995 31 27,310 38,005 32 27,320 38,015 33 27,330 38,02

15、5 34 27,340 38,035 35 27,350 38,045 36 27,360 38,055 37 27,370 38,065 38 27,380 38,075 39 27,390 38,085 40 27,400 38,095 - FREQUENCY LIST (U) CH CEPT Channels Frequencies (MHz) VCO Frequencies (MHz) 1 26,965 37,660 2 26,975 37,670 3 26,985 37,680 4 27,005 37,700 5 27,015 37,710 6 27,025 37,720 7 27,

16、035 37,730 8 27,055 37,750 9 27,065 37,760 10 27,075 37,770 11 27,085 37,780 12 27,105 37,800 13 27,115 37,810 14 27,125 37,820 15 27,135 37,830 16 27,155 37,850 17 27,165 37,860 18 27,175 37,870 19 27,185 37,880 20 27,205 37,900 21 27,215 37,910 22 27,225 37,930 23 27,255 37,950 24 27,235 37,930 25

17、 27,245 37,940 26 27,265 37,960 27 27,275 37,970 28 27,285 37,980 29 27,295 37,990 30 27,305 38,000 31 27,315 38,010 32 27,325 38,020 33 27,335 38,030 34 27,345 38,040 35 27,355 38,050 36 27,365 38,060 37 27,375 38,070 38 27,385 38,080 39 27,395 38,090 40 27,405 38,100 - FREQUENCY LIST (U) CH UK Cha

18、nnels Frequencies (MHz) VCO Frequencies (MHz) 1 27,60125 38,29625 2 27,61125 38,30625 3 27,62125 38,31625 4 27,63125 38,32625 5 27,64125 38,33625 6 27,65125 38,34625 7 27,66125 38,35625 8 27,67125 38,36625 9 27,68125 38,37625 10 27,69125 38,38625 11 27,70125 38,39625 12 27,71125 38,40625 13 27,72125

19、 38,41625 14 27,73125 38,42625 15 27,74125 38,43625 16 27,75125 38,44625 17 27,76125 38,45625 18 27,77125 38,46625 19 27,78125 38,47625 20 27,79125 38,48625 21 27,80125 38,49625 22 27,81125 38,50625 23 27,82125 38,51625 24 27,83125 38,52625 25 27,84125 38,53625 26 27,85125 38,54625 27 27,86125 38,55

20、625 28 27,87125 38,56625 29 27,88125 38,57625 30 27,89125 38,58625 31 27,90125 38,59625 32 27,91125 38,60625 33 27,92125 38,61625 34 27,93125 38,62625 35 27,94125 38,63625 36 27,95125 38,64625 37 27,96125 38,65625 38 27,97125 38,66625 39 27,98125 38,67625 40 27,99125 38,68625 - FREQUENCY LIST (d) CH

21、 Channels VCO CH Channels VCO D Frequencies Frequencies D Frequencies Frequencies (MHz) (MHz) (MHz) (MHz) 1 26,965 37,660 41 26,565 37,260 2 26,975 37,670 42 26,575 37,270 3 26,985 37,680 43 26,585 37,280 4 27,005 37,70 44 26,595 37,290 5 27,015 37,710 45 26,605 37,300 6 27,025 37,720 46 26,615 37,3

22、10 7 27,035 37,730 47 26,625 37,320 8 27,055 37,750 48 26,635 37,330 9 27,065 37,760 49 26,645 37,340 10 27,075 37,770 50 26,655 37,350 11 27,085 37,780 51 26,665 37,360 12 27,105 37,800 52 26,675 37,370 13 27,115 37,810 53 26,685 37,380 14 27,125 37,820 54 26,695 37,390 15 27,135 37,830 55 26,705 3

23、7,400 16 27,155 37,850 56 26,715 37,410 17 27,165 37,860 57 26,725 37,420 18 27,175 37,870 58 26,735 37,430 19 27,185 37,880 59 26,745 37,440 20 27,205 37,900 60 26,755 37,450 21 27,215 37,910 61 26,765 37,460 22 27,225 37,930 62 26,775 37,470 23 27,255 37,950 63 26,785 37,480 24 27,235 37,930 64 26

24、,795 37,490 25 27,245 37,940 65 26,805 37,500 26 27,265 37,960 66 26,815 37,510 27 27,275 37,970 67 26,825 37,520 28 27,285 37,980 68 26,835 37,530 29 27,295 37,990 69 26,845 37,540 30 27,305 38,000 70 26,855 37,550 31 27,315 38,010 71 26,865 37,560 32 27,325 38,020 72 26,875 37,570 33 27,335 38,030

25、 73 26,885 37,580 34 27,345 38,040 74 26,895 37,590 35 27,355 38,050 75 26,905 37,600 36 27,365 38,060 76 26,915 37,610 37 27,375 38,070 77 26,925 37,620 38 27,385 38,080 78 26,935 37,630 39 27,395 38,090 79 26,945 37,640 40 27,405 38,100 80 26,955 37,650 ALIGNMENT TRANSMITTER 1 - Alignment procedur

26、e(13,2V;configuration”EU,E”) STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT 1 FM/AM(E)TX Channel 20 RT201 Connect a wattmeter to jack antenna, adjust RT201 to reach 5V0,2V on the DC voltmeter connected to TP104. 2 AM(EU)TX Channel 20 RT203 Connect a wattmeter to jack antenna, adjust RT203 to reach

27、1W on the wattmeter. 3 AM(E)TX Channel 20 RT204 Connect a wattmeter to jack antenna, adjust RT204 to reach 4W on the wattmeter. 4 Same as 2 Connect a dummy load to jack antenna. Check that the “RF meter” display S1 5 Same as 3 Connect a dummy load to jack antenna. Check that the “RF meter” display S

28、9 6 FM(EU)TX Mod 30 mV 1 KHz CH 20 RT206 Adjust RT206 to reach 1,2KHz of deviation. 7 AM(E)TX Mod 30 mV 1 KHz CH 20 RT202/RT205 First: Adjust RT202 and RT205 to the maximum of modulation, then adjust RT205 to reach 90% of modulation, then adjust RT202 to reach 85% of modulation. ALIGMENT TRANSMITTER

29、 TP104 ALIGNMENT RECEIVER 1 - Alignment procedure(13,2V;configuration”EU,E”) STEP CONDITION ADJUSTMENT REMARKS OF ADJUSTMENT 1 AM(EU,E) Channel 20 Middle volume level. No squelch active L1- L2- L3 L4- L6- L7 Connect HF generator to jack antenna adjusted at ( 107dBm 1KHz 60%), connect sinad meter to

30、jack EXT speaker and adjust coils for maximum sensitivity( 20dB sinad). 2 FM(EU,E) Channel 20 Middle volume level No squelch active L 8 Connect HF generator to jack antenna adjusted at ( 107dBm 1KHz 1,2KHz Dev),connect sinad meter to jack EXT speaker and adjust L8 for maximum sensitivity( 20dB sinad

31、). 3 AM(EU,E) Channel 20 Middle volume level No squelch active RT1(S- METER) Connect HF generator to jack antenna adjusted at ( 67dBm 1KHz 60%) and adjust RT1 so that the “S meter” display S9. 4 AM(EU,E) Channel 20 Middle volume level Squelch maximum clockwise RT2(SQ) Connect HF generator to jack an

32、tenna adjusted at ( 47dBm 1KHz 60%) and adjust RT2 so that the signal is audible . 5 AM(EU,E) Channel 20 Middle volume level Squelch maximum counterclockwise (ASC) Connect HF generator to jack antenna . Connect sinad meter to jack EXT speaker, adjust the ouput level of HF generator and check that th

33、e opening ASC sinad is 20dB2dB. RT2RT1 ALIGNMENT RECEIVER JOHNNY III ASC HARRY III ASC BLOC DIAGRAM JOHNNY III ASC HARRY III ASC SCHEMATIC DIAGRAM JOHNNY III ASC HARRY III ASC COMPONENT LAYOUT JOHNNY III ASC HARRY III ASC COMPONENTS LIST MODELJOHNNY III ASC ASSY CODEPARTS CODEDESCRIPTIONSPECREFNOASS

34、Y CODEPARTS CODEDESCRIPTIONSPECREFNO AT379BHBAEBCHL111016GC:ELECTROLYTIC100UF 10V M C-411C311 AT379BHBAEBCHL111016GC:ELECTROLYTIC100UF 10V M C-411C321 AT379BHBAEBCHL111016GC:ELECTROLYTIC100UF 10V M C-411C336 AT379BHBAEBCHL111026GC:ELECTROLYTIC1000UF 10V M C-411C333 AT379BHBAEBCHL112216GC:ELECTROLYTI

35、C220UF 10V M C-411C050 AT379BHBAEBCHL112216GC:ELECTROLYTIC220UF 10V M C-411C246 AT379BHBAEBCHL112216GC:ELECTROLYTIC220UF 10V M C-411C305 AT379BHBAEBCHL114716GC:ELECTROLYTIC470UF 10V M C-411C247 AT379BHBAEBCHL314716GC:ELECTROLYTIC470UF 16V M C-411C065 AT379BHBAEBCHL514706GC:ELECTROLYTIC47UF 25V M C-4

36、11C011 AT379BHBAEBCHL514706GC:ELECTROLYTIC47UF 25V M C-411C062 AT379BHBAEBCHL514706GC:ELECTROLYTIC47UF 25V M C-411C263 AT379BHBAEBCHL811006GC:ELECTROLYTIC10UF 50V M C-411C002 AT379BHBAEBCJW511026GC:ELECTROLYTIC1000UF 25V M C-440C304 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC026 AT3

37、79BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC027 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC028 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC029 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC032 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0

38、.1UF 16V K BC033 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC034 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC035 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC046 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC051 AT379BHBAEBCML311045GC:CERA

39、MIC M/L (1608) TAPE0.1UF 16V K BC053 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC059 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC063 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC064 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC071 AT379BH

40、BAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC072 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC215 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC226 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC235 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF

41、 16V K BC236 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC237 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC238 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC240 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC241 AT379BHBAEBCML311045GC:CERAMIC

42、M/L (1608) TAPE0.1UF 16V K BC245 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC248 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC253 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC318 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC334 AT379BHBAEB

43、CML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC335 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC337 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC338 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC345 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V

44、 K BC346 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC405 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC407 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC408 AT379BHBAEBCML311045GC:CERAMIC M/L (1608) TAPE0.1UF 16V K BC410 AT379BHBAEBCML811025GC:CERAMIC M/L

45、(1608) TAPE0.001UF 50V K BC003 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC004 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC018 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC048 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC058 AT379

46、BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC066 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC067 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC069 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC230 AT379BHBAEBCML811025GC:CERAMIC M/L (1608)

47、 TAPE0.001UF 50V K BC239 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC243 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC303 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC308 AT379BHBAEBCML811025GC:CERAMIC M/L (1608) TAPE0.001UF 50V K BC347 AT379BHBAEBCML811035GC:CERAMIC M/L (1608) TAPE0.01UF 50V K BC006 AT379BHBAEBCML811035GC:CERAMIC M/L (1608) TAPE0.01UF 50V K BC007 AT379BHBAEBCML811035GC:CERAMIC M/L (1608) TAPE0.01UF 50V K BC009 AT379BHBAEBCML811035GC:CERAMIC M/L (1608) TAPE0.01UF 50V K BC012 AT379BHBAEBCML811035GC:CERAMIC