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TH-79 Service manual

1. 3RSU 3RSV 3R36 3R43 3H14 power supply AF AVH reference voltage microphone amplifier bias Transmission circuit drive ANT switch power supply microphone amplifier power supply Microprocessor power supply power supply LCD power supply reset circuit power supply shift register power supply AVR reference voltage cross point switch IC power supply voltage detector voltage 7C charge pump power supply Band shift circuit voltage TX BUSY LED illumination circuit power supply R434 10310 2 C325 z gt IC307 F INT V DET IC301 Q311 3C N E Hy pe SAVE n 3T 3TU c9 0307 TU K Q308 1 TX 0332 AMP EX Boas T 333 Pod 213 ds PPE E AFC IN AFC EX Fig 8 Power supply circuit 9 A E GIRCUIT DESCRIPTION 6 Microprocessor and peripheral circuits 6 1 Reset backup circuit When SB is turned on microprocessor IC304 s Voo and INT bocome 3 5V H as C235 charges At this time simulta neously with the microprocessor s actuation RST become ac tive after which R340 C333 are cleared a few minutes later When SB is set OFF voltage detect IC307 detects the 3M line voltage drop 3 0V and sets the INT port to L when this happens the microprocessor enters backup mode sends data to IC302 While C325 is discharging the
2. NAESMPOL n xL asss 191 NI 39 Ni 60221 9 JA10 03 J 088 6 1 gs SWE SWE A ASn8 LG LAW 991 Ou 51 621 4821 L z 8 081 01 10 10 Jav du MS 1 L 0 LSX 404 141 026 91 H 1135 wA 069 H 21 5 10 T 81691 goed 269 HdW3 3ud WE AL fl Al AL REALM p PA a E L v LSX 1121 nan 980 LOEBA Addl 910 1 3NOL I sd 0 016044 l p i 13895 51 310004 H3WOd MS LNY 80521 I JHA 1 26 D POEBA 2908vn WE H3A1HO NLE nodv id ER 6 21808912 21 ASW ASW LM adaa NLEALE l SZLVA 985 082 995 Lgnv s EUN 395 l SEN 252 455 00121 33n00W H3MOd MS LNV l sne 9037099121 L 831113 5 i 10851 9 4001 Noe ni ow l 24 00 702 618 485 19 VUE 1489 1891 Vott 8150 odv mies 99471 1Sn Ov H3wOd as as 31dd uH nae 1 mulu cm I EE M Li
3. A AA C C2 C C lt KG gt XTMM2 M3M4E E2E3E9 2 M3MAE EZESE9 XTMM 2 M3M4E 2 2 M3M4E E2E3E9 27 TH 9 A E PARTS LIST Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No no sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address New Parts No Description Desti Parts nation SHES f SB d HY 8 C180 73 102 CHIP C 1000 C181 CK73HB1EA71K CHIP A70PF K C182 ICC73HCH1E150J CHIP C 15 4 C183 x 1 73 1 600 CHIP C D C184 10 73 1 102 CHIP C 1000 K C185 7 1 471 CHIP C 4 70 C186 73 1 1000 CHIP C C187 CK73HB1EA71K CHIP C 470 C188 CC73HCH1EO0A0C CHIP C APF C188 7 1 406 CHIP APF C188 CC73HCH1E0A40C CHIP C C189 CC73HCH1E220J CHIP C 22PF C190 CK73GR1C473K CHIP C 0 04708 C191 1 0 CHIP C 3PF C192 1 73 1 4704 C193 CHIP C 0 01UF K C194 CK73HB1EA71K CHIP A70PF K C195 HIP C 0 01UF K C196 CK 4HB 21 02K C197 CG7 3HCHTRT01J C198 CK73HBIE102K CHIP C
4. CONTROL UNIT X57 440 7 VOUENC UNIT S A X57 440 D 7 2 2j 57 440 F 7 PS VOL UNIT VR308 gt ey 700 CONTROL DAUGHTER UNIT 41 adi Ss X57 440 G 7 i uj Parts with the exploded numbers larger than 700 are not supplied 43 TH 9 EXPLODED VIEW C B N09 2240 05 M2 6x6 30 2606 46 D M2x4 BLK N39 2040 45 M2x5 5 39 2055 46 M2x4 79 2040 46 H d2x8 Tap BLK N80 2008 45 2x24 Tap BLK N80 2024 45 oe a O RF UNIT X57 440 B 7 RF DAUGHTER UNIT 57 440 E 7 ae I BATTERY CASE BT 9 44 Parts with the exploded numbers larger than 700 are not supplied TH 9 A E PACKING X M4 Type 51 Carton Board m H13 0952 04 TH 79A X Instruction Manual 18 B62 0423 00 TH 79A X M4 20 B62 0425 00 TH 79A M4 21 Instraction Manual B62 0467 00 TH 79A 4 54 Carton Case 52 0608 02 TH 79A 4 Battery case 9 TH 79A X M4 53 Bag Main H25 0103 04 79 4 59 Hand Strap J69 0327 04 TH 79A X M4 UPC Card Label 47 Fixture H12 1466 03 TH 79A 4 Antenna T90 0483 05 TH 78A 4 58 Hook J29 0465 04 TH 79A 4 45 TH 9 PACKING EXCEPT X M4 Type instraction Manual 18 B62 0423 00 TH 79A K P
5. K C199 CC73HCH IEA470J CHIP C APF J C200 7 1 102 1000PF K C201 xk CC73HCHI1EO070D CHIP C D C202 CC73HCHIE100D CHIP D C203 CC73HCHIE120J C C204 GC73HCHIEOBOD GHIP C BPF C205 CC743HCH1E330J CHIP 3 J C206 GCC73HCH1EU605D CHIP D C208 ICK7 3HBTETU2K CHIP C209 200 C G C210 CC73GCH1H020C ICHIP 2 0PF C211 CK73HB1EA71K CHIP C C212 1 73 1 30 CHIP C C C213 214 73 1 102 CHIP C 1000PF K C215 1 73 1 1203 CHIP C 12 C216 CC73HCH1E030C CHIP 3PF C217 CC73GCH1H020C CHIP 2 C218 730 1 040 CHIP C APE C221 CC73HCH1EO070D CHIP C222 CGC73GCH1H1R5C CHIP 1 5PF XTMM2 0229 CC73GCHIH1RS5C CHIP 5PF M3M4E C222 CGC73GCH1H1R5C CHIP SPE E2E3E9 C223 CC736CH1H180J CHIP C224 CUC73HCH1EO080D CHIP C BPE C225 i CK 73HB1E102K CHIP 1000PF C226 34566 1 050 CHIP SPE C227 UG 7 3GCHIHIRSC CHIP 1 BPF C227 1 6227 CHIP ta C228 COV 4GCHIHUAUC CHIP 228 GG7 4G6GHI1H060D CHIP C228 GC74GCH 1 HU6UD CHIP C228 CC 7 3GCHI HUGO CHIP 2 9 C229 TH 9 2 5 LIST Par
6. re ceives data which is written internally As the 3M line voltage SB 06 T Reg zm 3M Ta 470 u IC303 Reg 220 u 3MS e Q303 falls further to below 2 3V voltage detect IC310 detects the volt age drop 2 3V sets the RST port to L and the RST becomes active 6 2 Battery voltage detection circuit This divides the power supply voltage and inputs it to the microprocessor 5 analog port It outputs a warning sound if the power supply voltage exceeds about 17 5 22 0V The voltage input to the microprocessor during transmission is linked to the A D converted LCD BATT display C302 1 310 Det IC307 1 Det PSW Fig 9 Reset backup circuit TH 9 A E CIRCUIT DESCRIPTION 7 Battery save circuit When a condition of squelch off scan off and no key opera a result each section s power supply is also turned on off in tion input continues for 10 seconds the battery save mode is the same fashion reducing power consumption while in the entered wait mode The signal output from the microprocessor s SAVE terminal turns Q312 on off at a period of 200msec 800msec 200msec 200msec when DTSS basic functions are on As Q311 NIS gio I 3 SB Q 9 9 3843 s d o 3R80 Q7 5 2 0 E i or RD 9 3RSU ul 3MS 0 9 O o o 3814 m Q o 3RSV 5 Q5 O SS Q3 3RV 3RU Fig 10 B
7. signal that data is sent to the microprocessor The microprocessor decides matching codes and regulates audio output MIC n 0301 IC305 KM PD PD AUDIO SD iub SD INPUT STD STO ACK ACK TONE IC304 COM CP DP 00 During DTMF signal transmission the DTMF signal is output from the microprocessor port pin No 6 Microphone in put is regulated by the KM terminal The DTMF signal is modu lated through the microphone amplifier During DTMF signal transmission the signal can be monitored from the SP through the cross point switch DTMF decode timing The single DTMF decode IC actuates both operated and non operated bands During single band operation only the main band is checked During dual band operation the circuit switches to and checks the busy band Accordingly there may be occasions when if both the operated and non operated bands are busy at the same time one band cannot be checked MIC AMP AUDIO OUTPUT to SP TSU 8 CTCSS UNIT Fig 14 Auxiliary circuit wiring diagram CTCSS BEEP AUDIO INPUT TH 9 DESCRIPTION OF COMPONENTS FM AM IC 2nd mixer quadlatcher wave detect AF output noise amplifier output S meter output FM IC 2nd mixer quadlatcher wave detect AF output noise amplifier output S meter output Shift register Reception power sup
8. 1500PF K C48 CK 7 4GR1C333K CHIP K CAS 9 VS Ets TANTAL LUF 6 3WV C50 2 30 1 0506 SPF B 65 A AGCH THOBUD URTE f get D 52 533 434 4 SEE C 0 03301 K C54 57 ICKY 4HB1CTOAK CHIP CG 0 01UE K C58 2 lcK7 3HBIET1027K ICHIP C 1000PF K C59 a7 1K CHIP C 470 K C60 LOS 544605 CHIP TAN UF C61 CHIP 470 C63 CK73HB1EA71K CHIP C 4 7 C64 k C92 0542 05 20WV C65 730 1 473 CHIP C 0 04 UF G6 73 1 103 CHIP 0 010 25 TH 9 Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX 26 Address New Parts No Description Desti Parts nation 5 too og as 4 a 08 55 68 CK73HBIE471K CHIP 470PF K C69 92 0507 05 4 7UF 6 3WV 70 72 CK73GR1C473K CHIP 0 047UF C73 CK73HB1E471K GRIEG 470PF K C74 925050 05 4 TUF 6 3WV E79 CC73HCHIEO030C CHIP C 76 69205079095 CHIP TAN 4 7UF 6 3WV 77 59220566505 TANTAL 6 3WV C78 79 CK73HB1E471K CHIP C 4 70PF K 92 05027 05 4 70 6 3WV C81 CK73HB1E102K CHIP 1000PF K C82 83 7 1 471 CHIP 470PF K C84 CK73GR1C473K CH
9. 40 5630 CN307 4t e PIN 41 566 t PIN ASSY Al 5 N ASSY 15 J5 J b655 1 CN309 23 0486 05 TERMINA DC JACK J2 03 0170 05 J301 211 W301 0457 05 05 PHONE E33 1885 PENTSRED A2 A303 304 x 21 25 54 04 pets 8B n RIMMER 2 2 1610 i 0 0 5425 KJ 31 47 HIP 2430 0 047UF 2431 KV SHB LEAT IK OPE 3 33 E 437 438 jt 4 0 O47UR 16102 UTD 0 0 447 i SLECTRSN 16 TC 05 0 380 05 RIMMER CAPACITOR LOPE oN 1 Ig 6 CABLE 2 ES 4666 05 N ASSY SNCKE EKA40 5667 0 i 155 E24 U486 0 TERMINAL 5 24 0965 TERMINAL 302 FL T CABLE CGNNECTGSRC26P ON 3O 21 SS SEC iTC22F S9 ji en 05 E JAC 8 33 1B8B885 05 SHED WIRE SET KPETM 10 2135 14 S 5 NG PLATECUHF 30 20 115 INSULATING SHEETCENC Al GU2 0759 04 EARTH SPRING CRE A3 k 1013 14656 04 CUSHION 12 8MHZ X TAL A5 011 0682 04 SEAL 51 6 G11 0732 04 SHEET IC31 A302 GU07 0762 14 EARTH SPRING 6 7 227 A305 x JADA SGPACERCCPU CDI 79 1113 05 FILTERCABSOKHZ GD2 719 13 05 Eu 2 CF1 X L72 0902 05 CERAMIC FILTERCASUKHZ CF2 Le 05 CERAMIC FILTER Z L1 2 92 0147 0
10. AMP LPF Phase comparison After amplifying the VCO output at Q22 VHF and Q21 UHP the comparison frequency is distributed at pulse swallow type PLL ICs ICA and IC5 Through phase comparison with the reference frequency ob tained by dividing X2 a PLL synthesizer of 5kHz 10kHz 12 5kHz 15kHz 20kHz and 25kHz steps is configured 4 MB1511PFV G BND toQ4 TRIPLE IC5 OSC IN UNLOCK DETECTION 3MS Fig 5 PLL VHF VCO circuit TH 9 GIRGUIT DESCRIPTION Lock voltage VCO regulation voltage Due to the phase difference between the reference voltaqe and the comparison voltage the pulse output from the 18th and 20th pins of IC4 is passed through the charge pump Q1 7 Q19 has ripples removed at the LPF and becomes the lock voltage The charge pump power supply is stepped up from 3M at the DC DC converter raising to approximately V VHF VCO 16 VHF VCO 16 FET directly oscillates the target fre quency at the Colpitts oscillator circuit of Q102 The VCO regula tion voltage is applied to varicap D101 and D102 changing the oscillation frequency Also during reception the T R terminal be comes H turning on Q101 and 0104 and switching the oscilla tion frequency During transmission the audio signal is applied to varicap D103 to modulate the oscillation frequency VCO KCH17 3C UHF VCO KCH17 VCO KCH 1 7 bipolar transis
11. JH ANY L O Xx SX 2 9 3 XX SX SX J V 6 Mvu5via 8 L8 for 1 sanw AS 6033 ga bM l 2337 00 04808131 1v 1SOELOR S 854 l 1 2 01621 ZHWGOS 3 iot Bou 021011 v rini 686 110 2088081 180 ELE HdW3 3Q HNGO ZAN ead 251 lt AZLEEON pe E 8 igzavav 686 910 209408 ead 150 23 98 19 H318103H LIIHS v0 21 584 RE H3OHvH2 NHE AHE ADENDE ASHE NSHE 9 O8H SH HNI 31 Ik nan 39v ol d LNO N 24 7281 NO gt asz 240 s28 8 0 10 plug bzgl 222 0 m liinn 045 3217552 11 4 18 1 1 145 129 H30 AIQ L 11182 AWS N 215551 1160 HdWa aa di 9818 5018 uH n3CSMPOI 114 E 2151 _ NO Mv AHE AUS N B SWE 51 Wad Q 802 LOW 921 33yt 1210 7 50 uut 1187 282 91 9 5 6 2220 o UE akuspa HdW3 30 912 0902 LH 33vv 1010 4 8338 Sou 688 Pereo An 7 3 HN SAN 4001
12. Sub VHF reception The Sub VHF is mixed with the 1st LOCAL upper hetero made by the halving of U VCO to become IFU 45 05 MHz Sub UHF reception The Sub UHF is mixed with the 1st LOCAL lower hetero made by the doubling of V VCO to become 38 85 MHz Audio circuitry Audio signals AFU detected at IC1 and 2 enter cross point switch IC312 and are switched to either AFL or AFR AFL and AFR pass through VOL A and VOL BH re enter 1C312 andare switched to either IN SP or EXT SP These sig nals are amplified by independent audio amplifiers IC315 and IC316 and are output either by the internal or the external speaker C312 s control signal beep sound and signal are out put from microprocessor 304 Specification Nominal center frequency fo 38 850MHz Insertion loss 2 O0dB or less 5200 2 Terminal impedance Table2 MCF L71 0439 05 characteristics TX RX unit XF1 Specification Center frequency fo 450kHz within 1 5kHz 6dB bandwidth 7 5kHz or more 40dB bandwidth 15kHz or less Ripple 20dB or less 450 within 1 5 Guaranteed attenuation 100kHz 27 dB ormore Insertion loss orless I O impedance 1 5kQ Table3 Ceramic filter L72 0902 05 characteristics TX RX unit CF1 Specification Nominal center frequency 45 050MHz fo Pass bandwidth t7 5kHz or more at 3dB Attenuation bandwi
13. 16 Label NS B42 5526 04 TH 79A K UPC Card Label arz 54 Item Carton Case H52 0522 02 TH 79A K P 52 0523 02 TH 79A 2 3 H52 0524 02 2 9 46 79 A E ADJUSTMENT Required test equipment 1 Stabilized Power Supply 1 The supply voltage can be changed between 5V and 18V and the current is or more 2 The standard voltage is 13 8V 2 DC Ammeter 1 Class 1 ammeter 17 ranges and other features 2 The full scale can be to either 300mA 3 A cable of less internal loss must be used 3 Frequency Counter f counter 1 Frequencies of up to 1GHz orso can be measured 2 The sensitivity can be changed to 250MHz or below and measurements are highly stable and accurate 0 2ppm or so 4 Power Meter 1 Measurable frequency Up to 500MHz 2 impedance 500 unbalanced 3 Measuring range Full scale of 10W or so 4 standard cable 5D2W 1m must be used 5 RF VTVM RF V M 1 Measurable frequency Up to 500MHz or so 6 Linear Detector 1 Measurable frequency Up to 500M Hz 2 Characteristics are flat and CN is 60dB or more 7 Digital Voltmeter 1 Voltage range FS 18V or so 2 Input resistance 1 or more 8 Oscilloscope 1 Measuring range DC to 30M H7 2 Provides highly accurate measurements for 5 to 25MHz 9 AF Voltmeter AF V M 1 Measurable frequency to 1 1 2 Maximu
14. Ref No Address New Parts No Description Desti Re Parts nation 5 m Gk E 5 m 5 E f 035 DISRD D301 MA728 DIGRD D302 25111 DISRD XTEE2 D302 MA2S111 DIGRD 9 302 305 MA2S111 DIGRD KP D302 303 25111 01680 MM2M3 0304 306 25111 DISRD X D304 307 25111 0180 E2 0304 308 25111 01980 9 0305 307 25111 DIGRD M2M3MA D305 308 MA25111 DIGRD M 0307 308 25111 0309 310 034227 0180 D315 25111 0181 0316 9 DISRD D317 25111 0 I GRD D318 MABUS2 IDI ORD 0319 320 830 2131 05 LED 2321 25111 D322 323 0324 DAN 0325 MA728 IARD IC x iTK1U930V 169 M 337 2M FG IC3 rk IBU2O09O0FS 10 ICA 5 MB1511PFV G BND FREGBUENCY SYNTHESIZER 106 120830 1 IC9 1 17 HICCUHF IC10 x KCH165 VEN 1011 x TCTSUO4FU TE IC12 TC4WS3FU 10301 TCT660MEQA IC IC302 94 16 108512 5 JIC IC303 S 81335HG KI 12304 i78056GC 016 389 j IC CPUD 2 10304 x 1780560 016 389 1 M3MAE IC304 x 78056GC 016 3B9 IC CPUD 2 9 IC304 78056GC 017 389 IC CPU D KP IC305 1 273881 IC IC306 S 81235PG PI JG IC307 x S 80730SL AT IC IC308 TA75W558FU IC IC309 5 81340HG KJ I C 10310 9123 IC IC312 x TILGOl555E IC IC313 TC4W53FU LG IC314 x BU2090F5 IC IC315 316 NJM2070M ICCAF 16317 LM3
15. R112 RK 3HHB1 J680J CHIP R 68 J 1 16 R113 HK73HB1JA72J CHIP R 4 J 1 16W 114 HK73HB1J1243J CHIP R 12 J 1 1609 115 x IRK73HB1J272J CHIP R 2218 J 1 16W R116 73HB1 392 J CHIP R 3 9K J 1 16W R117 RK 3HB1J220J CHIP R 22 J 1 16W R118 HK73HB1J680J CHIP R 68 J 1 16W 119 HK73HB1J471J CHIP R 470 J 1 16W R120 HK73HB1J104J CHIP R 100K J 1 168 R121 1 1220 R 22 J 1 16W R122 RK73HB1J472J CHIP R A J 1 16W R123 RK73HB1J561J CHIP R 560 J 1716W R124 RK73HB1J104J CHIP R 100K J 1 16W R125 RK73HB1J272J CHIP R 2211 J 1 16 2 R125 RK7 3HB1J272J CHIP R 2 7K J 1 16W M3M4E R125 RKY3ZHBII272J CHIP R 2231 J 1 16W E2E3E9 R126 RR SHE 111514 CHIP R P50 J 1 16W R127 RR SHB 622 CHIP R 1 6K J 1 16W R128 RK73HB1J680J CHIP R 68 J 1 1640 R129 HK73HB1J102J CHIP R IN J 1 16W R130 RK73HB1J391J CHIP R 390 J 1 16W R131 KKCLSHHIJ272J CHIP R 2 7K J 1 16W R132 RK73HB1J680J CHIP R 68 J 1 16W R133 Rk 3HB1 J 272 J R J 135 RK 3HB1J101J CHIP R 100 J 1 16W XTMM2 134 135 RK Z3HBIJ10LJ CHIP R 100 J 1 16W M3M4E 134 135 RK 3HB1J1013J CHIP R 100 J 1 16W IE2E3E9 R135 RK73HB1J101J CHIP R 100 J 1 16W R136 RK73HB1J220J CHIP R 22 J 1 16W R137 RK73HB1J270J CHIP R 27 J 1 16W R138 RK 3HB1J391J CHIP R 390 J 1 16 R139 RK 3HB1J1025 CHIP R t 0K J 1 16W R140 RK73HB1J270J CHIP R 27 J 1 16W R141 RK73HB1 J 392 iCHIP R 3 9K J 1 16W R142 IRR
16. Distortion factor meter SSG ANT Panel LCD ANT SP SSG EXT SP Oscilloscope AFVM Adjustment point Specification Method Confirmation 34dB or more Confirmation 12dB SINAD or more Distortion factor meter Ammeter 4 S meter 1 Frequency 435 050MHz E M T X 444 050MHz SSG 121dBm 3dBm 5 Tight squelch 1 Frequency 435 050Mt iz E M T X 444 050MHz SQL level MAX SSG OFF 2 SSG 113dBm 0 5pV SUB VHF receiver section 1 Frequency 145 050MHz E T 146 050MHz K P X M SSG 73dBm 50yV 1 Large input S N 2 Sensitivity 1 Frequency 145 050MH E T 146 050MHz K P X M SSG 117dBm 0 32yV 2 Frequency 144 050MHz 3 Frequency 145 95 2 147 950MHz K P M X 1 Frequency 144 050MHz SSG 120dBm 3dBm 3 S meter 50 Confirmation Y OCC XX 1 group or more illuminates Confirmation 3443 or more Confirmation 124 SINAD or more Confirmation SOmA or less SSG ANT LCD SSG EXT SP Oscilloscope AFVM Distortion factor meter Confirmation 1 group more illurninates After pressing SQL key rotate the encoder right to make the display becom EENEN Close squelch Confirmation SQL level
17. IC314 Pin connection diagram ePin description Pin Name VO Description 55 VDD 1 DATA Serial dala DATA Qt j CLOCK Data shift lock rise ecige trigger 010 When the clock falla if the data I the CLOCK him rogiotor oontonto are latoh 5 8 4 15 cava output SIDO 5 5 Latch data Q1 5 Q8 Output FET 02 5 07 19 Power supply Q3 Q6 Q4 05 decoder IC LC73881M 1C305 ePin connection diagram ePin description Description An input coupling condenser is required Internally biased to VDD 2 By setting this pin to H power down mode is entered 4 19430MHz quartz oscillator or ce ramic gcncrator conncctcd between these terminals to confiqur the s illa tion circuit Decoded output is output as 4 bit The ACK pinis used to shift out data to the SD pin Four pulses are needed to needed to shift out DTMF characters comprised by four bits The first pulse has a function that latches data before shift ing H indicates the existence of a sig nal Compared with the EST pin this pin has a slower response to input signals but it is insensitive to burst waves and the like H indicates the existence of a sig nal This pin provides external monitoring After an appropriate period of time has passed it applies four pu
18. 1806 03 SPECIFICATIONS rant rre BACK COVER 02 1807 03 M MZ M3 M4 X 12 1844 03 9 1 KnobiLOCK k20 4010 04 1 Photo is TH 79A TH 9 DISASSEMBLY FOR REPAIR How to remove the printed circuit board 1 Open the case e After removing the case fastener screw open the upper and lower halves of the case e When you pull out flat cable and pin connector the main unit separates into two parts A and B 2 Remove the holder e Placethe edge of a flat screwdriver against the holder and re move it by prying upward 3 How to remove the A unit e After pulling out the dial remove panel Don t break the tabs at both ends e Remove the cap and LOCK key e From the arrow sections float the unit and separate it from the case e e gt DISASSEMBLY FOR REPAIR How to remove the shield cover and the B unit Remove the rubber ring and the panel Cut the cushion waterproof sheet with a cutter The shield cover apart when the five screws and the three solderings see arrows are removed Remove the one soldering holding the ANT terminal The B unit separates from the lower case when the two screws fastening the BNC receptacle are removed Pull out the holder and the BATT terminal while being careful not to bend them remove the LCD ASSY Aft
19. 2uV 128dBm 122 112dBm 208 127dBm UN 12048 110dBm VHF 145 94MHz Sub U 439 94MHz 0 1nV Sub V 145 94MHz 300 FM 380 025MHz Nd 122dBm 380 025 2 18 122 AIR AM 120 025MHz 122dBm 800 860 080 2 o Nr 4 Excessive voltage warning reference voltage 13 8V recog nition setting Apply a terminal voltage of 13 8V 0 05V from a stabilizing power supply connected to the external power supply termi nal DC IN and press key C4 Next presskey 5 and confirm that a warning sound can be heard 5 The Set Mode is cleared when the power is turned off 6 Turn on the power supply while pressing and reset Note 1 Each setting overwrites the previous data so they pe set independently and in any order Note 2 Even if reception expansion is not done the 300 800 and AIR squelch settings can be done Note 3 Switching from AIR can be operated from VHF by the encoder TH 9 A E ADJUSTMENT Common section Measurement point Adjustment point D Condition Test H Specifications est equipment 1 Setting and 1 External power supply connection resetting DC IN terminal voltage 6V LCD total illumination display Initial value setting display after all resetting 2 Total illumination display confir mation Turn the power switch on while pressing the F
20. 7 SAB 156 14 CHIP R 560 J 1 16W R143 144 RK SHB ST BOT CHIP R 18 J 1 16W R145 HK73HB1 1043J CHIP R 10K J 1 16W R146 147 RK73HB1J561J CHIP h 560 J 1 16W R148 RK 73HB1J104J CHIP R 100K J 1 16W R149 RK73HB1J681J CHIP R 680 J 1 16W XTMM2 R149 RK73HB1J681J CHIP R 680 J 1 16W M3MAE H149 RK73HB1J681J CHIP R 680 J 1 16W E2E3E9 R150 RK73HB1JA70J jCHIP 47 J 1 16W R151 HK AS3HBTJ3SVJ CHIP R 390 J 1 16W R154 RK73HB1J332J CHIP R 3 28 J 1 16W XTMM2 R154 RK73HB1J332J CHIP R 34 38 J 1 16W M3M4E TH 9 PARTS LIST Parts without Parts No are not supplled Les articles non mentionnes dans le Parts No ne sont pas fourni Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address New Parts No Description Parts B a om d 7 H R154 RK73HB1J332 J CHIP R 3 3K J R155 RK73HB1J222J CHIP 2 2K R156 157 RK73HB1J100J CHIP 10 J R158 RK73HB1J332J CHIP R 3 3K J R160 IRK73HB1J472J R 4 7K J R160 RK73HB1J472J CHIP R 4 7K J R160 RK73HB1J472J CHIP R 4 7 J R162 RK73HB1J221J CHIP R 220 1 R163 RK73HB1J472J CHIP 8 4 7 1 R164 RK73HB1J820J CHIP R 82 J R164 RK73HB1J820J CHIP 8 82 J R164 RK73HB1J820J CHIP R 82 J R165 RK73HB1J270J CHIP R 00 J R166 RK73HB1J224J CHIP R 220K 1 R167 X RK 73HB1J124J CHIP R 120 1 R168 RK73HB1J102J CHIP R
21. LEE ELECTRONICS LTD Unit 3712 3724 Level 37 Tower one Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS CANADA INC 6070 Kestrel Road Mississauga Ontario Canada L5T 158 and PB 32 included
22. R 56K J 1 16W R517 518 RK 73HB1J103J CHIP R 10K J 1 16W R519 522 RK 73HB1 222 CHIP R 2 2 J 1 16W R524 IRK73HB1J222J CHIP R 2 2K J 1 16W R525 IRK73GB1 474 1 CHIP R 470 J 1 1609 8526 9527 HK73GH1J1024J ICHIP R 1 0 J 1 16W R528 533 RK73HB1J104J CHIP R 100K J 1 16W R534 2 683 CHIP R 68K J 1716W VR301 302 R12 6717 05 TRIM POT 47K VR303 12 6713 05 10K 304 305 R12 6705 05 TRIM POT 470 VR306 30 R12 5701 05 TRIMMING 100 VR308 05 3469 05 POTENTIOMETER 10 VOL A PS VR309 R33 0501 05 10 VOL B ENC 5303 S401 117 05 TACT SWITCH S304 S67 02715 SLIDE SWITCH 5305 306 570 0438 05 TACT SWITCH D1 DA221 DISRD D2 SFPB 72VL DISRD 03 4 MATA DI RD 05 8 25111 DIGRD 09 12 01680 D13 368 DIGRD 015 DA204U DIGRD D16 DIQRD D16 MA DIGRD D16 MA DIGRD D17 DAN22 2 DI amp RD 018 363 DIQRD 019 MA DISRD D20 HZU2 0 DIGRD D21 IDISRD D22 MA368 DIQRD D23 25 01680 D26 27 09 101680 D28 30 iDI RO 031 4884317 IDIGRD 032 2 iO LORD 133 4794 PAS DIGRD 39 TH 9 40 x New Parts Parts without Parts No are not supplied Les articies non mentionnes dans Parts No ne sont pas fournis Teile ohne Parts No werden nicht gellefert PARTS LIST TX RX UNIT X57 440X XX
23. dans Parts No no sont pas fournis TH 79 A E Teile ohne Parts No werden nicht geliefert CTCSS UNIT X52 3290 00 TSU 8 Ref No Address Parts No Description Desti Re Parts nation marks FG f ep d 4 SB d z Z RM 1t 2 NB8U 7005 46 SCREW H aC N80 2008 45 SCREW CASE I AG k 1 80 2024 45 SCREW CASE SP 1107 0317 SPEAKER ANT 790 0483 05 2B T91 0504 m MIC ELEMENT D200 20 ERHH 3 004 I DISRDCBT 9 MAX 16101 2 PF03110 201 144MHZ MODULE 10100 2G lt 1157 430 440 7 PSWER MODULE 68 s PON ADAPTER C12U0V ACSY 68 1 ADAPTER 240V tACSY 47 68 WO ADAPTER 240V F E2E3 68 08 0440 ADAPTER 230V ACSY 18559 68 ADAPTER 120 230V ACSY IM 69 109 0825 15 BATTERY ASSYCPB 34 ACSY M3 69 W09 0826 05 BATTERY ASSY FH 32 56057 IKM 69 9 0826 05 BATTERY 5 5 32 JPE E2 69 W S 0826 05 BATTERY ASSY CPB 32 ACSY E3FE9 70 2 1 52 3290 00 CTCSS UNIT COPTION TSU 8 KP 700 57 4400 1 TX RX UNIT A 7 G 7 700 X57 4400 2 TX RX UNIT tA 7 6G 7 M 700 x X57 4400 22 TX RX UNIT A 7 6 7 M2M3M4 700 x 57 4400 71 TX RX UNIT A 7 6 7 X 700 x X57 4202 71 TX RX UNIT 7 6 7 ITE 700 1 57 4402 72 TX RX UNIT A 7 6 7 22 700 X57 4402 73 TX RX UNIT e E
24. j RK73HB1J272J CHIP R 2 J 1 16W R398 HK73HB1JA73J CHIP R 47 J 1 16W R399 RK73HB1J102J CHIP R 1 0K J 1 16W R400 RK73HB1J222J CHIP R 2 2K J 1 16W R401 RK73HB1J2 2J CHIP R J 1 16W 402 RK73HB1J100J CH LPS R 10 J 1 16W R403 R92 0679 05 CHIP R 0 GHM XTMM2 R403 R92 0679 05 CHIP R OHM M2M3E R403 R92 0679 05 CHIP R 0 HM EZESE9 R404 HK73GB1J104J CHIP R 100K J 17168 R405 332 CHIP R 3 3K J 1 16W R406 HK73HB1J104J CHIP R 100 J 1 16W R407 30811043 CHIP R 100K J 1 16W R408 HK73HB1J100J CHIP R 10 J 1 16W R409 RK73GB1 104 CHIP R 100K J 1 16W 410 411 3GB1 680 CHIP R 68 J 1 16W R413 7 50811044 CHIP R LOOK J du 5p6W R414 1103 1 CHIP R 10K 17168 R415 HK 73GB J474 ICHIP R 470 J 1716W R416 417 IRK73GHB1 1054 ICHIP R J 1 16W R418 RK73FB2A2R2J R 2 2 J 1 10W R419 2 CHIP R 1 8K J 1 16W RA20 RK73GB1J820J CHIP R 82 J 1 16W R421 HK73536B J680J CHIP R 68 J 1 16W R423 HK73HB1J182J CHIP R 1 8K J 1 16W 8424 425 RK 3HB1J100J CHIP R 10 J 16W R426 7 3 1 7682 CHIP 6 8K J 1 16W R427 2730 CHIP R 217K J 1 16W R428 HK73GB1J102J CHIP R 1 0K J 1 16W R429 RK 3HB1J222J CHIP R 2 2K J 1 16W R430 R 4 7 J 1 16W R431 HK73HB1J103J GHIP R LOK J 1 16W R432 7 1 is CHIP R 4 K J 1 165W R433 RK73HB1J274J CHIP R 270K J 1 16W R434 436 RK73EB 2ER
25. key 3 All resetting and initial value set ting Press the F key once again within 10 seconds after total illumina Example E T Type TP TX RX L19 Adjust to the maximum Refer to Fig 1 ANT 3 7 L36 level with the two markers within 2dB After confirming the 40dB or more e 455 227 145 VHF receiver section 1 Helical BPF 1 Trajene output 45dBm Center 146 0MHz Span gt Ref 20dBm Trajene TX RX spectrum analyzer 1 Frequency 145 050MHz 2 Large input S N 146 050MHz K P X M SSG ANT S N confirm the audio 1 3V or more SSG 73dBm EXT SP SP output AF VR MAX 5OpV Oscilloscope 3 Sensitivity 1 Frequency 145 050MHz E T AFVM m 146 050MHz K P X M _ Distortion Confirmation 12dB SINAD or more SSG 122dBm factor 0 18pV meter 2 Frequency 144 050MHz 3 Frequency 145 950MHz E T 147 950MHz K P X M 4 Frequency 128 025 2 SSG 113dBm 0 5 AM MOD 1kHz 60 1 Frequency 145 950MHz E T 147 950MHz K P X M S N 10dB or more SSG ANI LCD 1 group more illuminates After pressing SQL VR rotate the encoder right 4 Consumption current SSG OFF 1 Frequency 144 050MHz SSG 122dBm 3dBm 5 S meter 6 Tight s
26. m YR R Desti jRe nation marks 08 55 BLNCKCA35MHZ BLSCKCA35MHZ BLOCK 435MHZ BLOCKCAAAMHZ INDUCTSRC82NHD INDUCTSRCIBNH INDUCT R 390NH INDUCTGSRtI2NH INDUCTSRC22NH INDUCTGRC6 8NH INDUCTOR 6 8NH INDUCTSRC6 BNH INDUCTSRC18NH INDUCT R 22NH INDUCTORCTBNH INDUCT RC1GONH INDUCTOR S6NH INDUCTOR 1 2NH INDUCTOR 15NH INDUCT RC15NH INDUCTOR 15NH TNDUCT R 27NH INDUCTSRC27NH INDUCT R 3 9NH INDUCT R 3 9NH INDUCTSRC3 9NH INDUCTOR 4 INDUCT R 4 7NH INDUCTQR CA 7NH INDUCTSRCS6NH INDUCTSRC27NHD INDUCTGSRC6BNH INDUCTSRCI2NH INDUCTRRCISNH INDUCT RCISNH INDUCTSRCISNH INDUCTRRCITUH INDUCTGR 100NH INDUCTGRCIBNH INDUCT amp RC22NH CZ DUCTGRC 6BNH 2 UH INDUCTOR i NDUCTRRC270NH INDUCTGH IOUNH FILTER 146 440MHZ INDUCT R 3 9NH INDUCTOR 3 9NH XTMM2 M3M4E E2E3E9 KP XTMM2 M3MAE E2E3E9 XTMM2 M3MAE E2E3E9 XTMM2 M3M4E EZE SES XTMM2 M3M4E 2 9 2 M3MAE E2E SES XTMM2 M3MAE x New Parts Parts without Parts No are not ohne Parts No werden nic Ref SMBS 85 61 X 162 163 L64 1 65 66 67 68 69 68 69 X L68 69 E L301 309 L310 L312 316 L319 320 L321 322 X1 X2 X301 1 x XF2 CP 301 302 CP 303 CP 304 CP 305 R1 R2 4 R5 R6
27. supply control L SAVE H Save power supply regulation L ACTIVE L L side modulation regulation UHF side modulation regulation RUNE MN O MSU O tv o seme SSS UV 2 VHF side PLL unlock detection H LOCK 11 07 UHF side PLL enable H ACTIVE _______ Sw O _ UU UHF side PLL unlock detection H LOCK LCD driver register selection DATA REGISTER RD WR INSTRUCTION REGISTER WR BUSY ADDRESS R PW O LCDdriver RAN selection L WR H ELCD ESAE LCD driver enable LCD driver data output LCD driver data output LCD driver data output VO 587 VO D E INT EN1 O MV M QV SQU 9 22 D 5194715 5 Pull up resistor contact through S software PTT switch detection DTMF detection input Power supply detection L L DETECT H actuated mode L Non actuated mode Encoder clock input interrupt side ncoder data input TMF data input power down regulation H Power down connect L Normal mode External speaker connection detection Battery voltage input VHF side S meter voltage input U V U HF side S meter voltage input HF side SQ voltage input HF side SQ voltage input 19 TH 9 A E SEMICONDUCTOR DATA Shift register BU2090FS IC3
28. supply regulation ON Left VOL side high bypass filter power supply H ON Shift register 1 CONT side data output Microphone amp speaker attenuator H ON Right VOL side high bypass filter power supply H ON E PROM data in out put Microphone mute Lighting illumination regulation L lighting off lighting on LOCK switch input L ACTIVE P46 B 52 0 P121 P122 P123 P124 P125 P126 127 70 70 9 9 9 5 9 4 9 6 7 8 9 P47 35 P6 49 2 Pes P31 46 o Pas P36 P37 52 53 54 95 96 58 99 01 Q C O gt N I 99 N 64 INTP3 04 T J G J J C 7 7 7 8 9 gt gt gt 2 5 EE 5 sS lt TH 9 SEMICONDUCTOR DATA u COM Port O Back Ca pa 11s s ee EEE RICO Key matrix input Key matrix input Key matrix input Key matrix input Destination input Destination input Key matrix output Key matrixoutput Key matrix output Key matrix output Key matrix output Serial data output Serial lock output Shift register 2 RF side data VHF transmission power supply control L UHF transmission power supply control L H Transmission main power
29. voltage circuit switch Waveform shaping TH 9 A E SEMICONDUCTOR DATA Microcomputer 78056GC 016 3B9 IC304 78056GC 017 3B9 IC304 ePin connections 1 101 100 uw 4 c gt 399229 0 z Z Z Z Z lt lt lt lt lt o 2222 2 2 2 4 1 7 q OG EE gt G x gt gt Gr O O 0 Q O n Q Q lt lt x x x x gt x a a a n O O O O O O O O O O O O O O O O P15 ANI5 o 1 O RESET P16 ANI6 o 2 P127 RTP7 P17 ANI7 o 3 AVss o P125 RTP5 P130 ANO0 O P124 RTP4 P131 ANO1 O 6 AVREF1 O 7 O P122 P2 P7O SI2 RxD 8 O P121 RTP1 P71 SO2 TxD o 9 P120 RTPO P72 SCK2 ASCK o O P37 P20 SM O O P36 BUZ P21 SO1 O O P35 PCL P22 SCK1 O P34 TI2 P23 STB O P33 TI1 P24 BUSY o 9 P32 TO2 P25 SIO SBO o O P31 TO1 26 500 581 O P27 SCKO P67 ASTB P40 ADO P66 WAIT P41 AD1 P65 WR Vss O P60 o P61 P62 o P63 O P64 RD o P44 AD4 o P45 AD5 o P46 AD6 P47 AD7 o P50 A8 P51 A9 o P52 A10 O P53 A11 O P54 A12 O P55 A13 O P56 A14 O P57 A15 O O lt lt cO Mo Back Cowan up ontents DTMF clock output TSU 8 enable output RS 232C reception TSU 8 detect input L ACTIVE RS 232C transmission Cross point switch LOAD Main power
30. 00J CHIP R 10 J R355 RK73HB1J472J R 4 7 J R360 RK73HB1J104J CHIP R 100K J R366 RK73GB1JA472J CHIP R 4 7K J R368 R92 2539 05 CHIP R 330K R369 RK73HB1J100J CHIP R 10 J R370 RK73GB1J913J CHIP R 91K J R371 x IRK73HB1J272J CHIP R Dek JJ R372 RK73HB1 222 R DUM J R373 7 1 33217 R 3 3K J R374 RK73HB1J102J CHIP R 1 0K 1 R375 RK73HB1J224J CHIP R 220K J R376 RK73HB1J472J CHIP R 4 7 J R377 RK73HB1J222J CHIP R 1 R378 RK73HB1J122J CHIP R 1 2K J R379 RK73HB1J182J CHIP R 1 8K J R380 HK73GB1J102J CHIP R 1 0 3 8381 382 8 73 81 683 CHIP 68K J R383 HK 73HB1JA472J CHIP R 4 7 J 37 TH 9 A E x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address New Parts No Description Desti Parts nation marks SMES m a 8B d 2295 s 0855 R384 RK 73HB1J332J CHIP R 3 3K J 1 16W R385 RK73HB1J102J CHIF R 1 J 1 16W R386 j RK73HB1J272 J CHIP R 2 7K J 1 16W R387 388 RK73HB1J222J CHIP R 2 2K J 1 16W R389 RK73HB1J472J CHIP R 4 7 J 1 16W R390 391 7 3 1 7221 CHIP R 220 J 1 16W R392 393 RK73HBIJ154J CHIP R 150K J 1 16W R394 RK73HB1J102J CHIP R 1 0K J 1 16W R395 RK73GB1J473J CHIP R 47K J 1 16W R396 HK 73HB1J222J CHIP R 2 2K J 1 16W R397
31. 01AD IC318 TC7SU04FU IC 91 2501483 TRANSISTOR 93 x UPA573T 94 2504619 TRANSISTOR 95 UMAY TRANSISTOR 96 7 UPAS73T FET x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No sont pas fournis Teile ohne Parts No werden nicht geliefert PARTS LIST Ref No Address New Parts No Parts HR 5 B5 S oda E Q8 9 25CA619 910 11 25CA738CGR 912 x UPA573T 914 2SC4617 R 916 25 466197 917 18 25418326 919 20 25C4738 GR 921 25C5066 CQ 922 2504726 923 572 924 25 5066 925 25 1824 926 25C5066 Q 927 25 4726 0 928 25C4226 R24 929 25C4083 N P Q30 25C5066 0 830 31 25050666 930 31 28C5066 Q 930 31 25C5066 932 2504738 33 34 2965396 935 25CA726 P 0 936 25 1215 937 38 25C5066 Q 937 38 2505066 lt 0 937 38 2565066 6 938 2505066 0 939 35 274 840 25 1824 941 25506660 941 25506660 941 25506666 842 2551275 ED 943 25050666 944 25 4726 092 9301 UPAS72T 9302 25 1588 9303 UMC5 9305 UPAS72T 9306 307 DTB113ZK 9308 UMW1 9309 x 25 1188 9 9310 2SCA61 7 CR 8311 258118225 0 9324 9325 326 UMW 0 144 25046178 25 1824 UPAS73T 572 257243 UPAS72T UPAS73T 251243 D TRANSISTGR TRANSISTGR FET TRANSISTGR TRANSISTGR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR FET TRANSIST
32. 1 0K J R169 RK73HB1J392J CHIP R 3 9K J R169 RK73HB1J392J CHIP R 3 9K J R169 RK73HB1J392J CHIP R 3 9K J R170 RK73HB1J561J CHIP R 560 J R171 HK73GB1J680J CHIP R 68 J R172 IRK73HB1J270J 8 27 R173 7 1 3923 CHIP R 3 9K J R174 HK73HB1J101J CHIP R 100 J R175 RK74HB1J683J CHIP K 68K J R175 RK73HB1J6834J ICHIP R 68K J R175 RK73HB1J683J CHIP R 68K R176 177 HRK73HB1J101J CHIP R 100 R179 IRK73HB1J152 CHIP R 1 5K R180 RK7 3GB1J680J CHIP 68 J R182 o RK73HB1J222J CHIP R 2 2K R183 7 473 R 477 J R184 73 1 1174 CHIP 2UK R185 IRK 3HBT1J2227 CHIP R ND J R186 SHB 1214 CHIP R 121 R187 o TRK SHB S432 CHIR R 3 R188 1K 7 3HHB13J3913 CHIP 390 R188 HK 73HB1J391J CHIP R 390 J R188 RK73HHB1 391 1 390 8189 RK 74HB1J182J CHIP R 1 8K 1 R189 RK73HBJ J182J CHIP R BK 7 R189 RK73HB1J182J ICHIP K R190 191 RK HETJ220J IGHIP R 22 R192 RK73HH1J102J CHIP R SOK R193 R92 1 468 05 iCHIP R 0 OHM R194 92 0670 05 ICHIP R OHM R195 RK73HB1JA73J CHIP R 47K J R196 RK73HB1J103J CHIP R 10K J R198 RK73HB1J221J CHIP R 220 R200 RK73HB1J223J CHIP R 22K J R301 RK73HB1J101J CHIP R 100 d R302 303 RK73HB1J104J CHIP R 100K J R304 RK73GB1J103J CHIP R 10K J R305 RK73HB1J222J CHIP R DOR J R306 RK73HB1J102J CHIP R DK J 36 TH 9 x New Parts Parts without Parts No are not supptied Les articles non mentionnes dans le Parts No r
33. 1 34 40 1271 34 L34 L40 1571 34 L34 L40 1571 34 L34 L40 1571 34 1 35 1140 2771 40 L36 L34 4359 05 L37 40 2771 40 L38 L92 0138 05 1 39 k LA40 3961 398 L39 1140 3961 38 1 39 L40 3961 3 40 L92 0138 05 L41 140 4761 L41 L40 4761 P L41 140 4761 42 40 5671 43 L40 2771 L44 AU 6871 35 L45 L45 L40 1571 34 L45 i L40 15 71 34 L45 40 1571 34 146 1 40 11095 34 1 47 LAU 1085 34 LAB L40 1871 36 L50 1 40 2271 36 L51 1 34 1264 52 Res L53 L40 6871 34 L54 40 1095 34 L 55 L46 5371 36 L56 1 4 7 24785 34 H L57 58 1 34 1264 05 159 140 1085 34 60 11 79 1101 05 L61 11 40 3961 38 L61 iL40 3961 38 32 gt SMALL SMALL SMALL SMALL SMALL ISMALL SMALL SMALL SMALL SMALL SMALL SMALL SMALL COIL SMALL CORE SMALL SMALL SMALL CORE SMALL SMALL SMALL SMALL SMALL SMALL SMALL SMALL SMALL SMALI SMALL SMALL SMALL CNIL SMALL SMALL SMAI SMALL COIL SMALL SMALL SMALL HELICAL HELICAL HELICAL HELICAL FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED FIXED PARTS LIST sle Parts No ne sont pas fourris TX RX UNIT X57 440X XX Description
34. 122J GHIP R x OK J 1 16W RA2 RK73HB1J221J CHIP R 220 J 1 16W R43 RK 73HB1J274J CHIP R 270 J 1 16W R44 RK73H81J561J CHIP R 560 J 1 16W R45 RK73HB1J274J CHIP R 270K J 1 16W R46 47 RK73HB1J561J CHIP R 560 J 1 16W R48 49 IRK73HB1J152J ICHIP R 5 J 1 16W R50 HK73HB1J332J CHIP R 3 J 1 16W R51 RK73GB1J32324 CHIP R 4 3K J 1 16W R52 53 HK73HB1JA70J CHIP R 47 J 1 16W R54 RK73HB1J472J CHIP R 4 7 J 1 16W R55 HK73GB1J472J CHIP R 4 7 J 1 16W R56 RK73HB1J102J CHIP R 1 0 J 1 16W R57 7 1 7472 R 4 7 J 1 16W R58 RK73HB1J102J CHIP R OK J 1 16W R59 RK73HB1J103J CHIP R 1 OK J 1 16W R60 RK73HB1J472J CHIP R 4 7 J 1 16W R61 RK73HB1J103J CHIP R LOK J 1 16 R62 RK73HB1J101J CHIP R 100 J 1 16W R63 RK73HB1JA472J CHIP R 4 7K J 1 16W R64 RK 7 1 7183 CHIP 18K J 1 16W KPXM2 R64 RK73HB1J183J CHIP R 18K J 1 16W 3 4 R65 RK 3HB1J122J CHIP R Took 1 1 16W R66 67 x RK73HB1J564J CHIP R 560K J 1 16W R68 RK73HB1J2243J CHIP R 22K J 1 16W R69 RK73HB1J103J ICHIP R 10K J 1 16W 870 IQK73HB1J473J CHIP R 4K J 1 1698 R71 x HK73HH1J152J CHIP R 1 5K J 1 16 72 7 1 101 HIP R 100 J 1 16W R73 HK73HB1J473 CHIP 4 K J 1 16W R74 x RKVSHBIS2 72 UHIP R dam J 1 16W R75 7 3 1 392 R 3 9K J 1 16W R76 77 x a i CHIP R 7K J 1 169W R78 IRK73HB1J101J CHIP R 100 1 16W R79 HK gue 1681 CHTP R 680 J 1 168 R80 82 IRK 4HB1J 397 CHI
35. 144 430 440 MHz rM DUAL BANDER KE NWOOD TH 79 A E SERVICE MANUAL 1994 6 PRINTED IN JAPAN B51 8273 00 B 1401 CONTENTS Antenna TS0 0283 05 DISASSEMBLY FOR REPAIR 2 CIRCUIT DESCRIPTION A DESCRIPTION OF COMPONENTS srera 15 r 29 4008 04 SEMICONDUCTOR 18 Me PARTS LIST iaa a EE MEC 22 EXPLODED a 43 PACKING Mi ADJUSTMENT 47 TERMINAL FUNCTION 63 WIRING 1 55 PC BOARD VIEWS 29 4009 09 TX RX UNIT X57 440X XX G 7 TX RX UNIT X57 440X XX D 7 57 TX RX UNIT X57 440X XX E 7 69 x TX RX UNIT X57 440X XXYF T cies 60 2E ME ooo TX RX UNIT X57 440X XXY G T M Wi L4 TX RX UNIT X57 440X XX A T eum 6 A beca TX RX UNIT X57 440X XX B T 87 SCHEMATIC DIAGRAM 71 BLOCK DIAGRAM 81 KENWOOD CTCSS UNIT X52 3290 00 TSU 8 5 SC 41 42 43 SOFT CASE 9 We BMC Plastic cabinet AD2
36. 20 1 HNWSS 8t 63 3d8 nl ZHIW0S0 Sr tL HOM QUE 338 JY MS JY 9 dS 1X3 9129 2020 ZHWOF 8C 1 201 ex 18951 6550 gt _ _ _ sda X dY 4 m XIN 2 3067 HdW3 3d Ses 2I W3 LOI pe 82 4338 SIHON MS 21591 ZHW8 7I 250 434 ODA JHN Tid HN n ZHAWSOS SP gt 250 199507 i aeo 90 i 38011 L I _ a 9 34 233 Ol W4 23 Fig 2 Receiver section configuration TH 9 A E CIRCUIT DESCRIPTION UHF reception The 1st LOCAL signal lower hetero made from the direct oscillation of the U VCO s IC9 KCH 1 7 is mixed with the desired signal to become the IFU s 45 05 2 It is further mixed with the 2nd LOCAL signal upper hetero from the X1 s quartz crystal oscillation circuit to become 455kHz is quadlatcher detected at IC2 and becomes an audio signal VHF reception The 1st LOCAL signal upper hetero made from the direct oscillation of the V VCO s IC10 16 is mixed with the de sired signal to become the IFV s 38 85MHz It is further mixed with the 2nd LOCAL signal lower hetero to become 450kHz is quadlatcher detected at IC1 and becomes an audio signal
37. 39K CHIP R 0 39 1 AW R437 RK73GB1J562J CHIP R 5 6K J 1 16W R438 RK736B1J103J CHIP R 10K J 1 16W R439 RK75GB1J473J CHIP R 47 J 1 16W R440 RK73HB1J123J CHIP R 12K J 1 16W R441 RK73HB1J471J CHIP R 470 J 1 16W R442 445 7350 1 7121 R 120 J 1 16W R446 RK73HB1J182J CHIP R 1 8K J 1 16W R447 RK 73FB2A101J CHIP R 100 J 1 10W R448 RK 73HHB1J101J CHIP R 100 J 1 16W R449 RK73GB1J472J CHIP R A K J 1 16W 38 79 A E x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address Parts No Description Parts f Eb gn 5 HS HB R450 453 RK73HB1J104J CHIP R 100K J 1 16W R454 458 RK73HB1J472J CHIP R 4 7K J 1 16W 459 464 73 1 222 CHIP 2 2K J 1 16W RA65 467 RK73HB1J104J CHIP R 100 J 1 16W R470 RK73HB1J100J CHIP R 10 J 1 16W R471 RK73HB1J222J CHIP R 2 2 J 1 16 R501 502 RK73GB1J222J CHIP R 2 2K J 1 16W R503 505 RK73HB1J104J CHIP R 100 J 1 16W R506 507 RK73HB1 333J CHIP R 33K J 1 16 R508 RK73GB1J103J CHIP R 1 OK J 1 16W R509 RK73GB1 223J CHIP R 22K J 1 16W R511 RK736BH1J474J CHIP R 470 J 1 16W R512 RK 73GB1J104J CHIP R 100K J 1 16W R513 RK73HB1J223J CHIP R 22K J 1 16W R514 515 RK73HB1J100J CHIP R 10 J 1 16 R516 HK7368H1J5563J CHIP
38. 3E9 UNIT 52 3290 00 2 8 7 1 103 C 1Uk K KP 2 C 73 1 22041 CHIP C 22PF J CK73HB1C103K CHIP K KP 73 1 1057 jCHIP C 2 92 0507 05 4 7UF 6 3WV KP GC73HCHIE101J CHIP C 100PF J KP CHIP 0 10UF K KP CK73HB1E102K CHIP 1000PF K CK736GR1CA73K CHIP 0A47UF KP L77 1530 05 CRYSTAL RESSNATSRC3 6856AMHZD KP RK73HB1J563J CHIP R 56K J 1 16W RK73HB1J473J CHIP 47K 5 1 16W 7 3 1 224 CHIP R 220K J 1 16W IKP HK 7 3HB1 J101 CHIP R 100 d 1 16W RK73HB1J105J CHIP R 1M di 1 16W KP RK73HB1J274J CHIP R 270K J 16W KK73HB1J101J CHIP R 100 J 16W IKP RK73HB1J562J CHIP R 5 6K J 1 16W RK73HB1J333J CHIP R 33K J 1 16W RK73HB1J123J CHIP R 12K 7 1 16W RK73HB1J104J CHIP H 100K J 1 16W KP 3 1 822 CHIP R 8 2K d 1 16W RK73HB1J682J R 6 8K J 1 16W 24 TH 9 A E PARTS LIST x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis CTCSS UNIT X52 3290 00 TSU 8 Teile ohne Parts No werden nicht TX RX UNIT X57 440X XX Ref No Address New Parts No Description Parts Fa 8 R14 R92 1252 05 CHIP R 0 QHM 615 RY 1368 05 CHIP R 0 GHN 1 16W R16 1
39. 472 03 PACKING FIXTURE 49 x H12 1472 03 PACKING FIXTURE 49 H12 1472 03 PACKING FIXTURE 51 13 0951 04 CARTON BOARD 51 x IH13 0952 14 CARTON BOARD 52 H25 0085 04 BAG 52 H25 0085 04 BAG 52 25 0085 04 53 H25 0103 04 BAG 54 k H52 0522 02 ITEM CARTSN CASE 54 s k H52 0523 02 ITEM CARTQN CASE 54 k H52 0524 02 ITEM CARTSN CASE 54 52 0524 02 ITEM CARTON CASE 54 H52 0608 02 ITEM CARTON CASE 55 10 J19 1552 03 H LDER 56 2B k J19 1553 13 HOLDER KEY 57 2 J21 4456 04 HARDWARE FIXTURE VQL ENC 58 e 429 0465 04 ACSY 59 J69 0327 04 HAND STRAP ACSY 60 3C J69 0333 05 RING BNC 61 2B 1482 0030 05 PRINTED FLAXIBLE BOARD 62 1 29 4906 04 KN amp H VOL 63 29 4907 04 KNQB ENC 64 x K29 4908 04 KNOB VQL PWR 65 1 Ix 29 4909 02 KNOB 66 18 k 1 29 4910 04 KNGB LOCK 67 28 29 4912 03 KN amp B KEY T amp P 1 09 2238 05 SCREW M2x7 B 3 1 09 2240 05 SCREW BELT HOOK C 3C N30 2606 46 PAN HEAD MACHINE SCREW BNC D 3C N39 2040 45 PAN HEAD MACHINE SCREWC CASE E 1C N39 2055 46 PAN HEAD MACHINE SCREW CPCB F 1C N79 2040 46 SCREW RF TH 9 A E PARTS LIST 23 TH 9 A E x New Parts Parts without Parts No are not supplied PARTS LIST Les articles non mentionnes
40. 7 RK73HB1 J 4723 CHIP R A K J 1 16W IC AK2341 IC KP TX RX UNIT X57 440X XX ei T T CHIP C 0 01UF 22 nV a OAK CHIP C Q 10UF K CA iCC73HCH1E150J CHIP 15PF J 65 1 73 1 2707 CHIP C 27PF J C6 CC73HCHIE820J CHIP C 2 a C7 9 GK73FBIETOAK CHIP C C10 CHIP 0 01UF K C11 k CG73HCHT1E680J CHIP C 68PE J C12 X CC73HCH1E820J CHIP C 82PF J C13 CC73HCH1E101J CHIP C 100 J 14 15 1 0 100 C16 x CC73HCHIE180J CHIP C J C 17 k ICC73HCH1E270J GHIP 27PF J C18 CC73HCH1E390J CHIP C 39PE J C19 CK73FB1E104AK CHIP 0 10UF K 20 21 CHIP C 0 01UF K C22 23 KUAHB1E4 71K CHIP C A 70PF K C24 73081 471 A 70PF K C25 1 CHIP 0 C26 C92 0576 U5 TANTAL 6 3WV C27 CK73GR1C 333K CHIP 0 033UF K C28 CK736GR1CA7 CHIP 0 047UF C29 Gh LOSK CHIP 0 01UF K C30 0 10UF K C31 GK73HBIEA71K HIP C 47 OPE C32 k 1 120 CHIP 12 J C33 CC73GCH1H070D CHER D TPE D C34 CK73GRI1CA74K CHIP G 0 047UF K C35 40 1 47 IK CHIP 470PF K C41 CHIP 1000 K C42 43 CK23HBTEA71K CHIP ATOPE K 44 3 154 ICHIP 1500PF K C45 CKZIGRITC335K CHIP C Oats K 46 US T6105 4 6 3WV C47 CK 3GB1H152K
41. 8 CORE L3 10 92 01 38 08 CORE L11 40 1035 34 2 FIXED INDUCTGRCTUM L 12 40 1281 434 SMALL FIXED INDUCTOR t20NH L13 4 5681 4 SMALL FIXED INDUCTSRCO S56UH L14 A40 13091 37 SMALL FIXED INDUCT RC1UH L15 40 5681 47 SMALL FIXED INDUCTQRCO S56UH L16 L40 1871 36 SMALL FIXED INDUCTGRCTIBNH L17 x 49 1 271 36 SMALL FIXED INDUCTSRCI2NH L18 LA40 1971556 SMALL FIXED INDUCTQR 18NH L19 L 34 4360 05 COIL ABLE T CABLE ABI CABLE SHIELDING TH 9 PARTS LIST TX RX UNIT X57 440X XX Description 470PF K 0 047UF K K ATOPE K 0470 47 0 220UF Jt 6 3WV 470PI K U47Ur K OTUF K 2 2Ul 6 C26P REF CONT UNIT CANNECTAR 26 SNUCK ET BATT 22 COUNNECTAR 26P 6 SUCKET CAP SUCRE Te 22P 22P JACK FILTER 45S0KHZ FILTER 455KHZ 31 TH 9 A E x New Parts Parts without Parts No are not supplied Les articles non mentionnes dan Teile ohne Parts No werden nicht geliefert Ref No Address New Parts No Parts ERES f 8 s5s 8 d L20 L79 1108 05 L20 x L79 1108 05 L20 L79 1108 05 L20 L79 1109 05 21 L40 8271 35 L22 L4U 1871 36 L23 40 3985 34 1 24 40 1271 35 L25 140 2271 36 1 26 140 6861 36 1 26 140 6861 36 L26 L4U 6861 36 L27 L34 1373 05 128 29 140 1871 36 L 30 1 40 2271 36 31 L40 1871 36 L32 40 1085 34 L33 L40 5671 34
42. BINET ASSY KP 4 1B 02 1807 03 PLASTIC ASSY MM2M3 4 1B AU2 1807 03 PLASTIC CABINET ASSY MAX 4 1B A02 1844 03 PLASTIC CABINET ASSY TEE2 4 1B 02 1844 03 PLASTIC CABINET ASSY E3E9 5 1 A13 1610 02 FRAME 6 3C A62 0334 02 PANEL REAR 7 462 0348 13 PANEL ASSY FRONT 1A B09 0342 03 CAP 9 1 09 0343 03 CTCOSS2 10 1B 81 0 1214 24 FRONT GLASS B11 1106 04 REFRECTG amp R GN AIR 12 2 B38 0716 05 LCD ASSY 15 1B B42 3343 04 S NS LABEL 14 20 B42 3394 14 LABEL FCC K 15 3D B42 5074 04 LABEL CNI CD K 16 B42 5526 04 LABEL HYATT K 17 B46 0310 03 WAHHANTY CARD ACSY IE E2E3 17 B46 0310 03 WARRANTY CARD ACSY 9 17 B46 0410 30 WARRANTY CARD ACSY 17 846 0422 00 CARD ACSY 18 B62 0423 00 INSTRUCTION MANUAL 5 19 B62 0424 00 INSTRUCTISN MANUAL 5 JE 20 B62 0425 00 INSTRUCTION MANUAL ACSY M M2M3 20 E B62 0425 00 INSTRUCTISN MANUAL 5 M4PE3 20 B62 0425 00 INSTRUCTISN MANUAL ACSY 9 21 B62 0467 00 INSTRUCTION MANUAL ACSY M M2M3 21 B62 0467 00 INSTRUCTION MANUAL ACSY 21 B62 0467 00 INSTRUCTION MANUAL ACSY 9 22 20 280572 14 MODEL NAME PLATE 81 09 MAX 23 3D B72 0648 04 NAME PLATE KP 23 3D B72 0649 04 MODEL NAME PLATE M M2M3 23 3D B72 0649 04 MODEL NAME PLATE MAX 2 3 3D 72 0650 04 MODEL PLATE 2 22 3D 2 0651 14 MODEL NAME PLATE ES 24 3C E04 0181 05 RF COAXIAL CABLE RECEPTACL
43. E 25 E19 0254 05 PLUG ACSY M M2M3 26 2D E23 0944 04 TERMINAL BT 9 M4X 27 2D E23 0945 04 TERMINAL BT 9 MAX 28 2D E23 0946 04 TERMINAL BT 9 M4X 29 2D 23 0947 04 TERMINAL 9 30 20 23 0948 04 TERMINAL BT 9 31 20 E23 0949 04 TERMINAL BT 9 M4X 32 2 229 1123 05 INTER CONNECTOR LCD ASSY 33 2 29 1124 05 INTER CONNECTOR LCD ASSY 34 2D E37 0424 05 LEAD WIRE WITH CONNECTOR 35 1D F10 2107 33 SHIELDING COVER P MODULE F20 1110 04 INSULATING SHEET RF DAUGHTER 22 x New Parts Parts wlthout Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert Ref Description RH AB 37 F20 1145 04 INSULATING SHEETCDC IN 38 F20 1155 04 INSULATING SHEET DAUGHTER 1 20 1159 04 INSULATING SHEET L27 FRAME 39 3D G11 0701 04 SHEET 40 2 G11 0722 04 SHEET 41 G13 1307 04 CUSHIGN 42 2D G13 1375 04 CUSHION BT 9 43 2A 1013 1467 04 CUSHION LED 44 1613 1469 14 CUSHIGN PANEL 45 613 1474 04 CUSHISN PANEL 46 x 1053 0769 04 PACKING VQL ENC 47 H12 1466 03 PACKING FIXTURE 47 E 12 1467 03 PACKING FIXTURE 47 12 1467 03 PACKING FIXTURE 47 12 1467 03 PACKING FIXTURE 47 k 1 12 1468 03 PACKING FIXTURE A8 u 12 1471 03 PACKING FIXTURE 48 u 12 1471 03 PACKING FIXTURE 48 12 1471 03 PACKING FIXTURE 49 H12 1
44. HB1EA471K CHIP 470PF K 2 C121 7 1 104 CHIP C 0 10UF K C122 CC73HCH1E680J CHIP 68PF J C123 CK73GB1H102K 124 7 1 102 CHIP 1000PF K C125 CC73GCH1H220J CHIP 22PF d C126 7 1 102 CHIP 1000 x New Parts PARTS LIST Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert Ref No Address LTEM f if C127 C128 C129 1 21 04 32 C134 11 39 C136 C138 C138 C138 C 139 C140 C141 C142 C143 C143 G143 C144 C146 147 C148 C149 C150 C151 61521 C151 G152 C153 C154 C154 C154 C155 C157 C158 C159 C160 C161 C162 C163 C165 C168 C169 170 OI C172 C173 C174 175 C176 C177 C178 C178 6178 C179 New Parts C t C Parts No 8D dh d a ita ene 73 1 471 CC 73HCH1E120J CC 3SHUHTESSD CK73HBIEA471K CC73HCHIE120J CC73HCH1EO60D CO 736CH1H030C CK73HB1EA471K 1 1000 CC73HCHIE101J GCC73HCHIE101J CC73HCHT1E101J 2 1 502 CK73HBIC103K 471 CUT 3ZHCHIEL 2 A HUGE S 2 73 1 1 73 1 306 K73HBIEA 71K GC 753HCHTEU2Z 0C k CER UC TIE 22016 eG SAR C
45. IP 0 047UF C85 1 102 CHIP 1000PF K C86 C92 0542 05 CHIP TAN D UP 20WV C87 92 0587 05 TANTAL 24200 AWV C88 CK73HB1C103K CHIP UO UB K C89 90 CK73HB1EA471K CHIP 470PF K C91 1 030 CHIP 3PF C C92 CK73HB1C103K UR TEE 0 010 K C93 CC73HCH1EA470J CHIP 4 J C94 CK73HB1C103K CHIP 0 C95 1 050 CHIP C SEP C C96 CC73HCHIEO030C CHIP C SPE C C97 CK73HB1E102K CHIP 1 C98 CC736CH1H070D CHIP D C99 CC73HCHIE180J CHIP C 8PF J C100 CK 7 3HB1E471K CHIP C K C101 1 050 CHIP 6 102 1 030 CALE E 3PF C 1 C102 CC73HCH1E030C CHIP C JPF C M3MAE C102 CC73HCH1E030C CHIP Spp C B2535V C102 CC73HCHIEO050C 103 CK73HB1C103K CHIP U U1UF K C104 CC73HCH1E120J CHIP J C105 7 1 103 CHIP C106 1 010 CHIP C C Cr 1 471 470 C108 CC73HCHTE101J G 100PF J C109 CK73HB1E102K CHIP 1 K C110 CC73HCH1E101J CHIP CITI CK 3HB1E471K CHIPE TOPE K 113 114 CK73HB1E102K CHERE 1000PF K C115 CK73HB1E471K CHIP C K CITE CC73GCH1HO70D CHIP PF D C117 119 7 1 102 CHIP 1000PF K C120 7 1 471 C 47 K 2 C120 7 1 471 CHIP C 47 0PF M3MAE 120 CK73
46. IP R 2 J 1 164 RK73HB1 472 CHIP R 4 7 J 1 16W RK73GB1J102J CHIP R 1 di J 1 16W RK73HB1J103J CHIP R 10 J 1 16W RK73HB1J470J R 47 J 1 16W RK73HB1J334J CHIP R 330K J 1 16W RK73HB1J103J CHIP R LOK J 1 16W RK73HB1 7222J CHIP R J 1 164 HK73HB1J102J CHIP R J 1 16W 1 4721 ICHIP R 7 J 1 16W RK 3HB1J104 J CHIP H 100K J 1 16W RK73HBH1J182 CHIP R 1 8K J 1 16W 7 1 5672 R 5 6K J 1 16W HK 3HB1 103 ICHTE R 10K J 1 16W IRK 73HB1J823J CHIP R 82K J 1 16W RK73HB1J152J CHIP R 1 5K J 1 16W RK73HB1J154J CHIP R 150K J 1 16W HK73HB1J681J CHIP R 680 J 1 16W 7 3HB1 1152J R 1 5K J 1 1643 HK 43HB1J154 CHIP R 50K J 1 16W RK 3HB1J103J CHIP R 10K J 1 16W IRK73HBH1J473 1 CHIP R 47 J 1 16W RK73HB1J472J CHIP R 4 7 J 1 16W 3 1 334 R 330K J 1 168 2 2 M3M4E B2E 359 33 TH 9 x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans Parts No sont pas fournis Teile ohne Parts No werdon nicht geliefert TX RX UNIT X57 440X XX Ref No Address Parts No Description Desti Re Parts nation marks iS dh 22934 tt 825 R39 7 1 14722 CHIP R 4 7 J 1 16W R40 RK73HB1J334J CHIP 330K J 1 16W R41 RK73HB1J
47. K SH o CK 3H 13K HH II CK 73HBICTUAK K 73HH1C103K 73 1 30 UK 73HBTCIOSK CK 73HB1EA71K CK73HB1E102K CK736B1H102K CG TSHGHUBUBUD UC T3HUHTE S30 CC73HCH1E680J CC73HCH1E220J 7 1 471 GO 7 3HCH1E010C C92 0585 05 7 1 471 CO 23HCH1B AUDC CC73HCHT1E330J CK73HBIC103K GK73HHB1E471K CC TSHCHTEO SUC GC7ZSHGHIEBUSUC COT SHOBHTBUSUC CK LUSK CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP CHIP GRIP CHIP CHIP CHTP CHIP CHIP CHIP ICHIP ICHIP CHIP CHIP E spa CET Can e wee le Om Row Ae qM cae A ab E 1G UE Au Cat Cu K qap S TANTAL Description 5 470PF 2 68PF 470 3PF 470 1 LOOPE 100PF 1 FORF 0 01UF 470PF 100 1 2 470 PASES BPH QOOBPF 470 1000PF 1000PF 68PF 22 47 IPFE 4 Ub 4PF 33PF 0 010 470 2 0108 TH 9 TX RX UNIT X57 440X XX UKUU J
48. M M2 M3 TH 79bE T E E2 ES E9 Carton Board 19 862 0424 00 TH 79E 50 13 0951 04 TH 79E 20 1B62 0425 00 79 P M M2 M3 51 H13 0952 14 TH 79A K TH T9E 9 TH T9E T 21 Instraction Manual 17 Warranty Card B62 0467 00 9 P M M2 M3 B46 0310 03 TH T9E E E2 E3 E9 EJ ED B46 0410 30 79 K B46 0422 00 TH 79A P 52 Protection Bag H25 0085 04 TH 79A 2 3 59 Hand Strap gt 2 TH T9E T E E2 ES E9 J69 0327 04 TH 79A 58 Hook e T SRTM MEMA 29046504 T aS TH 79A K P M M2 M3 2 3 9 2 49 Packing Fixture H12 1472 03 TH 79A 2 3 79 2 3 29 A T90 0483 05 TH 79A 2 3 TH 79E T E E2 E3 E9 7 5 Plug E19 0254 05 TH 79A 2 3 2 69 Battery Ass y be W09 0825 15 TH 79A W09 0826 05 TH 79A M M2 TH 79E 2 Fi Packing Fixture E3 E9 47 12 1468 03 TH 79E 48 H12 1471 03 TH 79A K P M M2 M3 TH 79E 2 9 47 Packing Fixture H12 1467 03 TH 79A K P M M2 M3 TH T9E 2 9 68 AC Adapter W08 0437 05 120V TH 79A W08 0438 05 240V TH T9E W08 0440 05 230V TH 79E E E2 E3 E9 08 0441 05 120V 230V 79 2 3
49. OR FET TRANSISTGR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR FET TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR FET FET TRANSISTOR TRANSISTOR TRANSISTOR FET TRANSISTOR TRANSISTOR PET FET TRANSISTOR Description r AA DIGITAL TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR DIGITAL TRANSISTOR TRANSISTOR EET FET PET FET TH 9 A E TX RX UNIT X57 440X XX Re nation marks E2E3E9 X TMM2 M3MAE E2E 3E KP 41 TH 9 PARTS LIST Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont oas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Address New Parts No Description Parts ig i 4X BYR R 9327 DTC144EE DIGITAL TRANSISTOR 9328 2SK879 Y FET 0329 330 25C4617CR TRANSISTOR 0331 332 25 1188 0 TRANSISTOR 0333 334 DTA144WE DIGITAL TRANSISTOR 9335 25J204 FET 9336 25 879 9337 UPA572T FET 0338 25C4738 GR TRANSISTOR 0339 25K1588 FET 9340 25 1824 TH1 TN1035472JT THERMISTOR 301 302 ITN103S472JT THERMISTQR TH303 304 ITN103F102JT THERMISTOR 42 79 A E EXPLODED VIEW M2x7 N09 2238 05 2x5 P Tap N80 2005 46
50. P R 3 9K 1 16W R83 k RK 4HB1J272 CHIP R 2 7K J 1 16W R84 RK 7 4HB1 J683 CHIP R 68K 1 16W I i R85 86 IRK7AHB I1 392 CHIP RK 4 9K 1 16W R87 RK 3HB 1 1 014 CHIP h 100K 1 16W R88 4K74HB13104J ICHIP B J 1 16 R89 RK73HB1J104 j GHIP K 100K 1716W R90 HK743HH1 1105 CHIP R IM 1 16 R91 RK 3HB1J473J CHIP R 47 J 1 16W R92 RK74HB1J273J CHIP DOK J 1 16W R93 RK7368H1J561J CHIP R 560 J 1 16W R94 RK73HB1J680J CHIP R 68 J 1 16W R95 97 RK 73HB1J103J CHIP 10 J 1 16W R98 x RK73HB1J152J CHIP 5K J 1 16 R99 RK73HB1J332J CHIP R 3K J 1 16W R100 RK73HB1J151J CHIP R 150 J 1 16W R101 RK73HB1J223J CHIP R 22K J 1 168 R102 RK73HB1J154J CHIP R 50K J 1 16W 34 9 x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address New Parts No Description Re Parts nation 5 f Bg a oa 8 229 R103 Sana 2142 CHIP R 270K J 1716W R104 HK73HBH1 7561 j CHIP R 560 J 1 16 R105 RK 3HHB1 3332 CHIP R 3 3K J 1 16W R106 73 1 561 R 560 J 1 16W H107 RK753HB1J472J CHIP R 4 7 J 1 16W R108 73 1 5613 R 560 J 1 16W R109 RK73HB1J3924J CHIP R 3 9K J 1 16W R110 HK73HB1 J822J CHIP R 8 2K J 1 16W 111 RK73HB1J222J CHIP R 2 2K J 1 16W
51. PE K C312 iCg7 00U02 U5 3 0 22UF 35WV C313 x 10073 18 3901 ICHIP 39PH C314 GCC73HCH1ETUI1J CHIP 100PF J C315 CK73HB1C103K ICHIP 0 010 K C316 CK73GB1E223K CHIP C 0 022UF K C317 G92 0587 05 2 208 C318 CK73HB1C103K CHIP 0 01UF C319 CK73GB1HA71K CHIP C 470PF K C320 92 0587 05 TANTAL 2 2UE AWV 321 324 CK73HB16471K CHIP C 47 C325 C90 4017 ELECTRA 4700 C326 x CK73HB1ET82K CHIP 1800 327 CC73GCH1H151J CHIP C 150PF J C328 CK73GB1HA71K CHIP C 47 C329 C92 0587 05 ITANTAL 2 2UE AWV C330 CK73GB1H103K ICHIP C 0 01UF K C331 CK73HB1EA71K CHIP C 470 C332 C92 0507 05 CHIP TAN 4 7 6 3WV C333 CK73GB1C104K CHIP C 10UF K C335 692 0564 ELECTRO 22118 6 3WV C336 CK 7 3HB a IK CHIP A70PF K 337 2 TANTAL 1UF 6 3WV C338 ICK 2 3HB1 BATIK CHIP 47 C339 ICK 4HHIRT02K CHIP 1000PF K 29 TH 9 A E x New Parts Parts without Parts No are not supplled Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address Parts a Description abo d Parts 30 C340 C92 0576 05 TANTAL 6 3WV C342 CK73GB1H103K CHIP C 0 01UF K C343 CK73HB1EA71K CHIP C 47 C344 92 0594 05 TANTAL 4 7UF A
52. PE K C407 CK73GH1E224K D 0 022UF K C408 92 11594 0 FANTA 4 JUF AWV C409 x C92 056 7 05 TANTA 6 3WV CA10 ICKC23G6BTHA7IK CHIP 4 A UP E K C411 415 CK73HB1kA71K CHIP lt AUDI K G416 CHIP C 4 Q0PF K C4177 2 71K 4970 C418 419 ICK73GB1HA71K CHIP 4 70PF K C420 CK JAHBI EAK CHIP 470 0421 1092 0565 0 TANTAL 6 BUE 10WV C422 423 3471K 470 424 s 103 CHIP 0 01UF K C425 ICKY 1 471 ICHIP C 47 0PF K x New Parts Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert Ref No Address New Parts No Parts ERES dg C426 C427 C428 C429 C430 73 18471 736R1C473K 7 3HB GTUSK EA71K C431 C432 E47 C433 434 C pen u Sess K73HBIEA71K K746H1CA7 4K 0155 4565 C437 438 C439 i 1 K 30 7 25 3 CHIP ae LECTR T 4 CN CN3 CNA 3 7 E37 0425 15 1 240 5641 05 t 5666 LAT LA ASSY IN ASSY TERMINA 15 gt X 4t 65 5 23 0486 i 5 CN5 CN301 X 96 4 1840 5180 05 GN302 x IFE40 5641 05 CN303 IL 490 56190 05 CN304 5629 05 ERMINAI PIN ASSY FLAT EL AT PIN ASSY CN305 CN306
53. R Audio switch Audio AVR switch PC power supply regulation circuit Constant current circuit Modulation output band switch 5 meter temperature compensation Q338 circuit VHF Q339 16 Q340 Internal External Q3 Q334 Q335 Q336 Q337 nternal External gt T Internal Audio output mute switch LED illumination prevention switch 79 A E DESCRIPTION OF COMPONENT 0p 06 Copo 08 Waveform shaping sd UHF unlock detection circuit ee E Vain UHF 212 Sur D13 Band shift switch VHF 216 b IF Switch Sub VHF o 023 56011 025 Das VHF Das x os 092 vir vir D34 D35 Sub UHF Stetupdide D301 Startup diode D302 Backflow prevention destination D303 Backflow prevention destination D304 Backflow prevention destination D305 Backflow prevention destination D306 Backflow prevention destination D307 Backflow prevention destination D308 Backflow prevention destinatio D309 Backflow prevention D310 Backflow prevention destination D315 D316 2 destination Rapid discharge Fixed voltage circuit D317 Rapid discharge D318 Power module protection diode D319 LED D320 D321 D322 D323 D324 D325 Backflow prevention Internal AF AMP AVR External AF AMP AVH onstant voltage circuit onstant
54. R7 X R8 R9 R10 R11 R12 R13 R15 R16 R17 18 R19 R20 R21 R22 R23 R24 R25 26 R27 R28 R29 R30 R31 ox R32 R33 R36 R37 R38 Address New Parts 9 A E PARTS LIST Les articles non mentionnes dans le Parts No ne sont pas fournis suoplled TX RX UNIT X57 440X XX ht geliefert Parts No Description 4d 229098 L40 3961 38 SMALL FIXED INDUCTGR 3 9NH L40 1092 81 SMALL FIXED INDUCTOR 1 34 1333 05 COIL 8 5T 34 132 7 05 COIL 7 5 41 2271 39 FLEXED TNDUCTSRC22NHD 1 411 1871 356 FLEXED 1 0 18 0i 48 045 GRE LAUS LUZ PE 45 SMALL FIXED TNDUCTGSR CTONH I A0 107 36 SMALL FIXED INDUCTQSR CTONH A 1071 45 SMALL FIXED TNDUCTGSRCTONBD 92 01 1B8 0Uh5 CARE 1 33 0 CHOKE COIL 1 942 0138 E 192 0138 is CORE 92 131 05 CURE 77 14 38 45 iCRYSTAL RESONATOR 45 505MHZ L771 528 05 CRYSTAL RESWNATQR 12 8MHZ 0326 05 RESONATOR 4 19 7 1 71 0434 059 38 8501 2 1 71 0409 15 MCF 45 05MHZ R90 0724 05 MULTI COMP R90 0718 05 MULTI CGMP 4 7 4 90 0719 05 MULTI COMP R90 0718 05 MULTI CGMP 4 7 4 RK73FB2A120J CHIP R 12 J 1 10W RK73GB1J102J CHIP R 1 0K J 1 16 RK73GB1J103J CHIP R 10K J 1 16W RK73HB1J103J CHIP R 10K J 1 16W RK73HB1 1152 CHIP R 1 5K J 1 16W RK73HB1J473J CHIP R 47 J 1 16W RK73HB1J222J CHIP R DIOK J 1 16W RK73HB1J272J CH
55. Spurious emissions 60 dB or less 144 MHz Band 430 440 MHz Band Double conversion superheterodyne 1st intermediate frequenc 38 85 MHz 45 05 MHz 2nd intermediate frequenc 450 kHz 455 kHz Sensitivity 0 16 or less 12 dB SINAD 0 25 uV or less 0 25 uV or less 0 1 uV orless _ 12 kHz or more 28 kHz or less 200 mW or higher Specifications apply only when using the V or U band They do not apply to the V or LF band Specifications are subject to change without notice due to developments in technology and are guaranteed within Amateur bands only bud KENWOOD CORPORATION 14 6 Dogenzaka 1 chome Shibuya ku Tokyo 150 Japan KENWOOD SERVICE CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS DEUTSCHLAND GMBH Rembr cker Str 15 6056 Heusenstamm Germany KENWOOD ELECTRONICS BENELUX N V Mechelsesteenweg 418 B 1930 Zaventem Belgium TRIO KENWOOD FRANCE S A 13 Boulevard Ney 75018 Paris France TRIO KENWOOD U K LIMITED KENWOOD House Dwight Road Watford Herts WD1 8EB United Kingdom KENWOOD ELECTRONICS NEDERLAND B V Amsterdamseweg 35 1422 AC Uithoorn The Netherlands KENWOOD ELECTRONICS ITALIA S p A Via G Sirtori 7 9 20129 Milano Italy KENWOOD ESPANA S A Bolivia 239 08020 Barcelona Spain KENWOOD ELECTRONICS AUSTRALIA PTY LTD A C N 001 499 074 P O Box 504 8 Figtree Drive Australia Centre Homebush N S W 2140 Australia KENWOOD amp
56. TONE DEV 1 Frequency 430 000MHz Display confirmation 438 000MHz TONE DEV F Press TONE key to display confirmation T NIE NEM Frequency 430 000MHz M X TONE Push ON 5 DTMF DEV 1 Press the D key in transmission DTMF DEV 2 2 4 2kHz mode Confirmation VHF Transmitter section 1 Power 1 BATT TERMINAL 9 6V Power meter ANT VR306 Adjust to30mW Frequency 144 Ammeter G 7 HI LOW EL PTT ON 2 HI LOW HI Frequency 145 975MHz K P M X VH304 0 1W 147 975 2 confirmation 1 6A or less PTT ON 3 Frequency 144 975MHz 146 000MHz K P M X Frequency 144 000MHz Confirmation 5 0 6 0W Frequency 145 975 2 147 97 5MHz K P M X 4 BATT TERMINAL 4 8V Frequency 147 975MHz K P M X 1 0W or more 145 975MHz 2 6 3 5kHz 2 DEV 1 Frequency 147 975MHz K P M X Power meter ANT IX RX VR302 ON Oscilloscope 2 AG 20dB down AG 1kHz 3 5mV A PTT iii Other section 1 LCD contrast 1 Ta 25C Disital CONT TA CONT VR303 Adjust to 1 5V 0 1V voltmeter A 7 A 7 51 Adjust to 4 2kHz according to the larger Confirmation 2 6 3 5kHz Microphone sensitivity T display illumination 0 5 1 6kHz K P M X 2 5 4 5kHz Confirmation Reduce voltage Adjust to 4 2kHz accordin
57. WV C345 CK73GB1H103K CHIE 0 01UF K C346 347 CK73GB1HA71K CHIP C A70PF K C348 CK73HB1C103K CHIP C 0 01UF K C349 CK73GB1H103K CHIP C 0 01UF K C350 C92 0564 05 ELECTR 22UF 6 C35 7 1 471 CHIP C 470 C352 C92 0594 05 4 7UF AWV C353 7 1 471 CHIP 47 K C354 CK 73GR1C333K C U 033UF K C355 CK73HB1EA71K CHIP C 470PB K C356 358 CK73GR1CA73K CHIP G 0 047UF C359 C92 0618 05 ELECTRO 1 QUF 6WV C360 CK73GB1HA471K ICHIP C 47 C361 CK7 3GR1C333K CHIP 0 03302 C362 CK73GB1HA71K CHIP C 47 C363 CK73HB1EA71K CHIP C 470 C364 CK73GR1C333K CHIP C 0 033UF C365 366 CK73HB1EA471K CHIP C 470 C367 368 C333K CHIP C 0 033UF C369 2 05 ELECTRO 22UF 6 3WV C370 371 EA71K CHIP C 470PF K C372 373 C92 0587 05 TANTAL 2 2UF C374 375 CK73GR1C473K CHIP C 0 0470 K C376 377 CHIP C 0 01UF K C378 CK73GB1H103K CHIP C 0 01UF K C379 CK73HB1EA71K CHIP C A70PF K C380 381 C92 0566 05 TANTAL 10UF 6 3WV C382 383 C92 0593 05 ELECTRO 33UF 1 C384 CK73HB1E471K CHIP 470 K C385 386 CK73GR1CA73K CHIP 0 047UF K C387 C92 0567 05 68UE 6 3WV C388 391 73 1 471 G 470PF K C392 393 CK73GB1HA 71K CHIP C 470PF K 394 395 92 0576 05 TANTAL 1UF 6 3WV C396 400 7 1 471 CHIP 470P E K C401 CC23HCH1E1D1J CHIP C 100PF J 402 404 CK73HB1EA71K CHI A70PF K 0405 CK73GB1HA71K 470
58. a RA rC rus ul t 4 1 0 18 1 8 16 WVHOVIO 9078 AV 6 3 JV 6Z HL TH 9 A E CTCSS UNIT X52 3290 00 TSU 8 90 41 42 43 SOFT CASE BT 9 BATTERY CASE CTCSS UNIT X52 3290 00 TSU 8 The details refer to TSU 8 Service Manual B51 8248 00 SCHEMATIC DIAGRAM 2 32980 00 4 4 4 3 3 4 SC 41 EXTERNAL VIEW C 2 220K AK2341 RXIN BIAS RXINO AGND AGNDIN TO RXTO TLINO luni IN gt VDD TLINN XIN TLINP L 3 XOUT DREF 2 ux SC 42 EXTERNAL VIEW SC 43 EXTERNAL VIEW rr a m z UD a cdm a m T ee oe 95 BT 9 EXTERNAL VIEW S SIZE With PB 30 32 M SIZE L SIZE With PB 31 BT 9 With PB 33 34 83 TH 9 A E General 144 Band 430 440 Band Frequency range V V a U U SPECIFICATIONS 9 6 144 148MHz 144 148 438 450MHz 438 450MHz _ Europe 144 146 MHz 144 146 MHz 430 440MHz 430 440 MHz General market 144 148MHz 144 148 MHz 430 440 MHz 430 440 MHz Mode F3E FM Usable temparature range e 209C 609C 49 to 140 F NM _ Grounding Negative ground Dimensions W xH xD 96 mm x 129 5 mm x 24 5 mm 2 20 in x 5 10 i
59. attery save circuit 8 LED drive circuit The LCD illumination LED is built into the LCD ASSY and The BUSY LEDs are controlled by pulling the cathode regulates the Q317 at the microprocessor port Fig 11 sides of 2 color LEDs D319 and D320 to the shift register IC314 Fig 12 COM LED Fig 11 LCD illumination D319 IC314 SHIFT REGISTER u COM Fig 12 LED lamp circuit during TX BUSY 12 79 CIRCUIT DESCRIPTION 9 Key rotary encoder input circuit PTT EN1 EN2 Kyl2 Kyl3 Kyl4 KyOO 1 KyO2 KyO4 4 47 P50 P51 P52 P53 P54 P40 INTP0 INTP3 INTP4 Fig 13 Key rotary encoder input circuit 13 TH 9 A E GIRCUIT DESCRIPTION 10 Auxiliary circuits CTCSS This sets the tone frequency with data from the microproces sor IC304 Audio input is wave detection output entered to TSU 8 via the cross point switch IC 1 1 When the tones match the SDO terminal turns to the L level The microprocessor decides and regulates SDO terminal audio output X point and AFC IN AFC EX AI2 AE2 3RL each port During TONE signal transmission the TONE signal is output and modulated via the LPF from the microprocessor port pin No 5 DTSS code is done with serial data from the micropro cessor As with CT CSS audio input is entered from the cross point switch When it detects the
60. dth 22kHz or more at 25dB Guaranteed attenuation 80dB or more within 91 OkKHz Sprious 40dB or more Ripple 1 0dB less Terminalimpedance 800Q 2pF Table 4 MCF L71 0409 15 characteristics TX RX unit XF2 Specification Nominal center frequency 455kHz 1 5kHz or less of 65dB bandwidth fo mE 100kH2 27dB or more Insertion loss or less impedance 1 5kQ Pass bandwidth ripple Guaranteed attenuation Table5 Ceramic filter L72 0362 05 characteristics TX RX unit CF2 79 CIRCUIT DESCRIPTION 9 Transmission signal channel Thetransmission system diagram is as shownin Fig 3 144 MHz Band 430 440 MHz Band ANT L MIC Limiter amplifier TA75W558FU VCO UHF Buffer Buffer Buffer Excitation Excitation Power 2SC4839 amplifier amplifier amplifier amplifier amplifier amplifier 25 4808 25 5066 25 5066 25 4226 25 3356 S AU57 Buffer amplfier 2SC5066 PLL MB1511 CPU REF OSC pPD78056GC TC SUO4FU X tal signal Er 12 8 MB151 1 Buffer amplifier 25 5066 Buffer Buffer Excitation Excitation Power VCO VHF amplifier amplifier amplifier amplifier amplifier 25 238 25 4726 25 4726 25 4083 25 3356 10 01 Fig 3 Transmission system diagram 3 1 Modulation circuit The audio signal from the microphone is subjected to pre emphasis limiter amplification and splatter filtering by the 1 308 TA75W558FU VHF UHF swi
61. e sont pas fournis TX RX UNIT X57 440X XX Teile ohne Parts No werden nicht geilefert Ref No Address New Parts No Description Parts SMES t k B m d R307 RK73HB1J6H82 J ICHIP R 6 8K d R308 R92 2539 05 CHIP R 3 30K R309 ix 1 168 3D jCHIP R 68K D R310 311 RK 73HB1J100J R 10 J R312 RK73HB1J101J CHIP R 100 1 R313 RK73HB1J221J CHIP R 220 J R315 RK73HB1J122J CHIP R 1 2K J R316 RK73GB1J272J CHIP R 2 7K J R317 RK73HB1J182J CHIP R 1 8K J R318 RK73HB1J563J CHIP R 56K J R319 RK73HB1J153J CHIP R 15K J KPXMM2 R319 RK73HB1J153J CHIP R 15K J R320 RK73HB1J561J CHIP R 560 J R321 RK 3GB1J563J CHIP R 56K J R322 323 RK73HB1J103J CHIP R 10K 4 R324 RK73GB1J273J CHIP R 27K J R325 RK73HB1JA472J CHIP R 4 7 1 R326 328 RK73GB1J472J R 4 7 2 R329 RK73HB1J103J CHIP R 10K J R330 RK73GB1J391J CHIP R 390 J R331 RK73GB1J104J CHIP R 100K J R332 RK73HB1J472J CHIP R 4 7K J R334 335 RK73HB1J104J CHIP R 100 1 R336 RK73HB1J472J CHIP R 4 7 J R337 RK 73HB1 J102J CHIP R 1 0K J R339 RK73HB1JA472J CHIP R 4 7 J R340 RK73HB1 1334J CHIP R 330K J R341 RK73GB1J682J CHIP R 6 8K J R342 7 308112231 R 22K J R343 RK73GB1J103J CHIP R 10K J R344 RK73HB1J472J CHIP R 4 7K J R345 RK73HB1J103J CHIP R 10K J R347 348 RK73GB1J473J CHIP R 47 J R349 RK 3HB1J104J CHIP R 100K J 8351 352 RK73GB1 473J CHIP R 47 J R353 RK 3HB1J273J CHIP R 27K J R354 RK73HB1J1
62. er separating the A unit from the upper case remove the unit s two solderings The LCD ASSY separates from the A unit when the four claws fastening it are removed TH 9 A E TH 79 CIRCUIT DESCRIPTION 1 Frequency configuration The TH 79 A E has independent PLL circuits for the VHF and The VHF 2nd LOCAL is made by tripling the REF OSC UHF bands It also has two IF channels so both bands can 12 8 2 receive at the same time The frequency configuration is as shown in Fig 1 and Table 1 Each band has a sub reception circuit Sub VHF Sub UHF so both VHF and UHF waves can be received V x V U x U simultaneously The Sub VHF 1st LOCAL is made from the halving of UHF VCO The Sub UHF 1st LOCAL is made by doubling the VHF VCO IC 2 430 0 AF J DIVIDER de X1 2 T 384 95 394 945MHz 455kHz gt 144 0 145 995MHz 2nd LOCAL CS 45 505MHz 1 2 189 05 191 045MHz IC 1 144 0 VHF SUB UHF 38 85MHz gt 144 0 145 995MHz POWER 145 995MHz E jc L 450kHz 2nd LOCAL 38 4MHz 430 0 439 995MHz REF OSC 12 8MHz VHF PLL IC 144 0 145 995MHz Example E T type Fig 1 Frequency configuration Table 1 TH 9 CIRCUIT DESCRIPTION iver signal channel 2 Rece ZN INV 091 19 uG 19 0d Q MS LNY P d v 2 O 0c 1 820 420 6 JHN NIVA 9
63. g to the larger Confirmation Microphone sensivity 79 ADJUSTMENT Parts layout ANT VR304 vR305 eJ S vR307 BATT TERMINAL TX RX UNIT G 7 TX RX UNIT B 7 VR301 DEV UHF L19 36 VHF Helical VR302 DEV VHF TC1 Transmission frequency VR304 HI POWER VHF Helical adjustment VR305 HI POWER Spectrum analyzer VR306 EL POWER VHF VR307 EL POWER UHF TX RX UNIT A 7 TA LCD contrast point TB1 TB2 SET mode test point VR303 LCD contrast adjustment 52 TH 9 TERMINAL FUNCTION ser Each receiver circuit PLL power VHF modulation Data VHF enabe Clock VHF audio mm 70 AFV i rum VHF unlock UHF audio Lc GND SMRF UHF 1st AMP SW sau VHFsquelch UHF transmission power supply APCV VHF Lm pm VHF transmission power supply 26 MU __ UHF modulation mee mue 7 HD Tone input TSU 8 power suppy LEE Tone coincidence detection DT CN2 CN3 LO IN 1st local 3RSU Sub UHF power supply RF input IF output 360MHz power supply 10 53 TH 9 A E TERMINAL FUNCTION mee CN306 CN307 UHF transmissio
64. l illumination 4 Excessive voltage warning reference voltage 13 8V Levels set in the Set Mode are written to the As a result the written data is preserved even if the power supply is cut off or the unit is reset Also ifthe E7PROM is replaced all items need to be rewritten reset Setting procedures 1 Setthe dual band mode for use key 2 Open the main unit With the power on momentarily short the TX RX unit A 7 part surface test point TB 1 and TB 2 with tweezers equipment CD s non actuated band side displays Set Mode indicating that the Set Mode has been entered eKey functions during Set Mode are as follows C 1 2 Squelch critical point WO 0000 setting 72 D S meter first group illumination level setting dc s S meter total illumination level setting C4 Excessive voltage warning reference voltage 13 8V recognition setting 5 D Excessive voltage warning recognition mode warning sounds C 6 5 Cancellation of 5 turning the power off 15 also possible VxV Ux U changeover 430 800 or 144 300 s changeover SHIFT COUAL 300 s AM FM changeover During Set Mode the F MENU SQL REV 0 and 7 9 keys do not receive Example E T type 453 000 Mode Tweezers 3 Input each band s designated SSG level from the ANT termi nal and press each SET key Table below Band 128dBm 121 111dBm UHF A39 94MHz 0 09uV 0
65. lses to ACK to access data LC73881M lt SS D ACK 0 i D 9 c 22 rm Power supply terminal normally 2 7 5 5 20 SEMICONDUCTOR DATA eBlock diagram VDD VSS Bias generation Q High group Frequency bandpass filter detection circuit Aliasing Dial tone filter INPUT prevention filter Low group Frequency bandpass filter detection Timing circuit gt V generation circuit OSCI OSCO DCeDC converter TC7660MEOA IC301 ePin connection TC7860M NC NO INTERNAL CONNECTION Power module 10 01 S AU57 ePin connection D UN Signal descrimination circuit Pin assignment Pin Vpc Vdd Pout GNO flange TH 9 A E Output e EST signal control circuit e STO 5 2 oe 58 9 19 O register 21 TH 9 A E PARTS LIST Parts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teite ohne Parts No werden nicht geliefert TH 79 A E Ref No Address New Description Re nation marks BH 5 f Hl Ts 79 1 30 01 2089 02 METALLIC CABINET REAR 2 2D 02 1784 03 PLASTIC CABINET 9 FRONT M4X 3 2D 402 1785 02 PLASTIC 9 REAR 4 1B 02 1806 03 PLASTIC CA
66. m sensitivity 1mV or more Service jig for adjustment Connector PC board E29 1138 05 10 Spectrum Analyzer 1 Measuring range DC to 1GHz or more 11 Standard Signal Generator SSG 1 Maximum freauency 500MHz or more 2 Output 0 05uV 133dBm 0 1V 7dBm 3 Output impedance 500 12 Tracking Generator 1 Center frequency 50kHz to 200MHz 2 Frequency deviation 35MHz 3 Output voltage 100mV or more 13 Dummy Load 1 80 or more Preparation e Setthe unitin the receiving mode and controls as follows unless otherwise specified A Fale MIN BITES atus te cce ht u MIN Use non conductive rod such as a Bakelite rod for adjustment especially of trimmers and coils To protect the SSG do not send out signals while adjusting the receiving unit he indicted SSG output levels are for maximum output And whenever there is no modulation designation standard modulation MOD 1kHz DEV 3kHz is indi cated How to use the jig Control daughter unit G 7 Note Connect with the connector PC board inserted as shown in the figure 47 TH 9 ADJUSTMENT How to use the Set Mode About the Set Mode When this unitis placed inthe Set Mode the following levels can be set 1 Each band s squelch critical point 2 Each band s S meter first group illumination 3 Each band s S meter tota
67. n voltage APC current detection power module power supply Microprocessor power supply IC306 output Transmission power supply E Each receiver circuit PLL power supply STV 7C 3C 11 E PROM data E GND 13 Economic low power switch 14 LOW LOW power switch 15 VHFmodulation 16 Each AVR reference Xpoint switch power supply IC306 output 17 VHF modulation SW 18 UHF modulation SW 19 Power supply UHF modulation Microphone input Cross band repeater DTMF input VHF transmission voltage Charge pump voltage 20 21 MIN XIN 54 95 SS 0600 zgr 044 9991 SO 9140 858 DIN ASSY 921 Logo SOO SSK EEO 33moOOUUJOco Q AUR 222222225045 uve e 5 j ET CO ODA AHN Tow wove SWE 41 HOW OW 45 1X3 j QNO Loer Wad 2 L0 N5 100 3V AINCOW 4 AHN NOI LdO 1 8 18 ens AINO 00 0646 29 55242 LINN LINN TOXLNOO ODA AHA 21 XX 5 91 HOM OIH JINJOW YIMOd LO 016044 LNOO Id3 XX SX zzz moveo ponp 92290 gt 0 0 0 0 0 7 55 gt y C n 1NOO 10 8 n
68. n x 0 965in _ Dimensions projections included 202 63 5 144 0 mm x 31 0 mm 2 50 in x 5 67 in X 1 22 in Weight _ Approx 325g 11 502 _ Microphone impedance 2 2 Antenna impedance 2500 Supply voltage External power jack ______ 95V 160V 138V 2 Battery terminals 22 4 5 V 15 0 V 6 0 w RX no signal dual band 80 2 RX signal single band _ Approx 45 mA 20 mA TX HI 13 8 V DC jack 1 3 Approx 1 8 Current TX HI 9 6 V battery terminals 1 3 1 8 Approx 13 Approx TX 4 8 V battery terminals Approx 12 Approx 1 6 __ TX LO 6 0 V battery terminals 0 6 _ TX EL 6 0 V battery terminals Approx Transmitter 144 Band HI 13 8 V DC jack Approx 5W Approx 5 W 9 6 V battery terminals Approx 5 W NN 22 5 W Output Approx 2 7 W Approx 20W ______ HI 4 8 V battery terminals __ Approx 1 5 W o Approx 1 5 LO 6 0 V battery terminals OIW terminals TAM Approx mW _ Modulation Reactance Maximum frequency deviation OR Within 5 kHz a
69. ply regulation PLLIC 5 PLLIC UH IC10 VH IC12 VHF AF output FM AM switch 106 10 IC301 Input voltage 3 5V approximately double output 6502 C303 IC304 Refer to the I O port specification chart C306 0306 C307 NT IC308 Limiter amplifier active LPF 11 PLL reference transmission circuit C2 F F F microprocessor power supply IC309 4 0V regulator For LCD illumination IC310 2 3V detector RST IC312 Refer to the audio circuit explanation on page 6 IC313 Multiplexer X Band input changeover IC314 Shift register Audio AVR switch audio mute SW power switching TX BUSY LED switch shift SW 315 Audio amplifier For internal Speaker IC316 Audio amplifier For external Speaker IC317 APC differential DC amplifier IC318 Inverter Prevents instantaneous LED illumination when turning on power supply For C369 discharge 3RV 3RU switch VHF 2ndloca 3RSV 3R14 switch 3RSU 3R36 switch IF amplifier VHF IF amplifier UHF Q 111 Noise amplifier UHF 3H80 3R43 switch 016 UHF Q22 VHF fin amplifier O G O O OR I Q N NI RO 1 4 4 k O AIN N 5 UHF drive 1st local dual use 055 026 Main UH 027 Main VHF Q28 UHF 1st stage drive Q29 VHF drive 1st stage TH 9 A E DESCRIPTION OF COMPONENTS Function Refe
70. quelch 1 Frequency 144 050MHz SQL Close squelch SSG OFF to make the display become MEE HEHE 2 SSG 113dBm 0 5uV REF 20 dBm 10 dB view B blank odB r i MKR NW 20 00 MHz 20 00 8568 s F Wa sis s RUE X CENTER 146 00 MHZ SPAN 50 0 MHZ Fig 1 Helical BPF adjustment waveform VHF BAND 49 TH 9 A E SUB UHF receiver section Condition 1 Frequency 435 050MHz E M T X 444 050MHz SSG 50 1 Frequency 435 050MHz E M T X 444 050MH2 SSG 117Bm 0 32uV 2 Frequency 430 050MHz 438 050MHz 3 Frequency 439 950MHz E M T X 449 950MHz 1 Frequency 435 050MHz E M T X 444 OSOMHz SSG 120dBm Large inout S N 2 Sensitivity 3 S meter UHF receiver section 1 Frequency 435 050MHz E M T X 444 O50MHz SSG 73dBm 50uv 1 Large inout S N 2 Sensitivity 1 Frequency 435 050MHz 444 050MHz SSG 121dBm 0 2yuV 2 Frequency 430 050MHz E M T X 438 050MHz K P 3 Frequency 439 950MHz E M T X 449 950MHz 1 Frequency 439 950MHz 449 950MHz 3 Consumption current SSG OFF Oscilloscope ADJUSTMENT Measurement point SSG SP
71. ransmission output Also when the transmission is turned off Q324 turns off and Q305 turns on rapidly discharging the APC voltage for stable turning off of the power module Trans mission output switching is regulated by Q320 shift register varying the reference voltage to fix the transmission output at ap proximately 4 7W Hi approximately O 5W Low and approxi mately 30mW EL 3 4 Temperature protection circuit To prevent thermal destruction of the power module if the thermistor detects a temperature level of approximately 100 C Q32 is turnedon and the APC voltage is lowered to the level of the D20 zener diode voltage TH 9 A E CIRCUIT DESCRIPTION H434 9307 Q319 WO O Q Q320 di R420 VR305 R421 Q O om Q323 OOO O O LOW EL 7 3TU POWER MODULE DRIVE AMP 2 gt 10 Fig 4 Temperature protection circuit in the case of 4 PLL circuit The VHF and UHF bands each have independent PLLs and VCOs The Ref OSC makes an independent oscillation circuit applied oscillator signal to the V U PLL IC and the tripling bipolar transistor Reference oscillation circuit X2 the 12 8MHz quartz crystal oscillates at IC11 the output of which is distributed and applied to IC4 and IC5 The reference oscillation frequency is divided at IC4 VHF and C5 to ob tain 5kHz and 6 25kHz reference frequencies VHF 16
72. rence No Description Doubler circuit Sub UHF 360MHz 1st local 800MHz 1st local UHF only UHF drive second stage Q Doubler circuit 9 O 09 O 2 Temperature protection circuit Q33 RF amplifier Q34 Q35 1st mixer Q36 RF amplifier Q37 1st mixer Q38 1st mixer Q39 RF amplifier Q40 RF amplifier switch RF amplifier VHF drive second stage Sub VHF Main VHF reception second stage 00 MHz Sub UHF 360MHz Main amp Sub UHF 360MHz reception dual use VHF reception Co on 042 0301 0302 Audio output mute switch External speaker Q303 Q305 Q306 Q307 Reset circuit APC discharge 3TV switch 3TU switch Q308 3T switch 3 0310 Buffer Amplifier Tone Q311 3C AVR Q312 3C switch Q313 Left side HPF switch Q314 Right side HPF switch Q315 Left side active HPF Q316 Right side active HPF Q317 TX RX LED switch Q318 Full duplex switch Q319 Q320 Q321 Q322 Q323 Q324 Q325 Q326 Q327 Q328 Q329 Q330 Q331 Lowers the input level of the internal speaker audio amplifier Transmission power switch Low power Transmission power switch EL low power Transmission power switch EL power UHF APC switch UHF APC switch Q322 0326 switch APC switch APCV APCU Transmission power switch EL power VHF APC switch APC switch Constant current circuit Differential DC amplifier Comparator power switch Internal Differential DC amplifier External Audio AVR Audio AV
73. return BH XJ Open sqeulch Confirmation 344 or more Confirmation 12dB SINAD or more Confirmation X 1 group or more illuminates TH 9 A E ADJUSTMENT UHF Transmitter section Measure point Adjustment point Condition Yes p 22 est equipment Unit erminal Unit x Parts Method 1 Transmission 1 Frequency 439 975MHz M E T X Power meter ANT TX RX TC1 Match to display 200Hz frequency 449 975MHz f coumter 7 frequency ON z s 2 Power 1 BATT TERMINAL 9 6V Power meter ANT TX RX VR30 Adjust to 30mW 5mV Frequency 430 000MHz Ammeter G 7 438 000MHz OW EL meloa a PTT ON confirmation 1 8A or less 3 Frequency 434 975MHz M E T X 444 000MHz K P Frequency 439 975MHz M E T X 449 975MHz Specification 4 BATT TERMINAL 4 8V Frequency 439 975MHz M E T X 449 975MHz K P Confirmation Reduce voltage 4 5 7 3 1 95 less 5 DC IN 13 8V Frequency 434 975MHz 444 000MHz K P Confirmation PTT ON 3 DEV 1 Frequency 430 000 2 Power meter VRSO1 438 000MHz K P Linear 7 AG 1kHz 35mV detector ON Oscilloscope 2 AG 20dB down AG 1kHz 3 5mV AFVM 4
74. tching is done by Q337 and fre quency deviation is adjusted by VR301 and V302 The modulation signal is applied to the modulation varicaps of the VCOs for both VHF and UHF and undergoes reactance modulation When is used the input terminals are shorted at Q301 3 2 Driver final amplifier VHF band VCO output is amplified by a two stage and UHF band VCO output by a three stage amplifier after which they are each input to their respective power modules After passing through each band s antenna switches the output passes through the chip duplexer 60 and is supplied to the antenna 3 3 APC circuit The APC circuit is for stabilizing transmission output It de tects the power module s drain current and regulates the trans mission output We shall explain using the UHF band as an ex ample Fig 4 To differential DC amplifier C317 is applied the reference voltage obtained by potential division of voltage regulated zener diode D316 through transmission output adjustment 7 EL power R420 VR305 Hi power and R421 as well asthe detec tion voltage generated by R434 R435 and R436 in proportion to the power module s drain current The output of IC317 No 6 pin outputs voltage in proportion to the difference between the refer ence voltage and the detection voltage which is inverted at 2335 giving the APC voltage This APC voltage regulates the power module s power regulation terminal maintaining a con stant t
75. tor directly oscillates the target frequency at the Colpitts oscillator circuit of Q2 The VCO regulation voltage is applied to varicap D1 and D2 changing the oscillation frequency Also during reception the T R terminal be comes L turning off Q1 and D4 and switching the oscillation frequency During transmission the audio signal is applied to varicap 04 to modulate the oscillation frequency Unlock detection circuit When the PLL is unlocked the pulse output to IC4 s LD ter minal pin No 8 5 waveform shaped at D7 R66 and C71 turning UL terminal A to the L level the UL terminal voltage is detected at the microprocessor regulating the timing off transmission re ception switching Q3 Q4 AMP K BUFFER AMP BUFFER Fig 6 UHF VCO circuit 3CV Fig 7 Unlock detection citcuit TH 9 CIRCUIT DESCRIPTION 5 Power supply circuit 5 1 Ni Cd recharge circuit A constant current of approximately 7 is supplied to the Ni Cd battery from the external power supply connected to the DC IN terminal via the constant current circuit comprised by Q1 and 1 If an external power supply is not connected to the DC IN terminal the constant current circuit does not operate 5 2 Power supply switching circuit The power supply circuit is configured as shown in Fig 8 Its branches are as follows HB SB 3MS 4M 10 Power module power supply PLL BCV reception circuit
76. ts without Parts No are not supplied Les articles non mentionnes dans le Parts No ne sont pas fournis Teile ohne Parts No werden nicht geliefert TX RX UNIT X57 440X XX Ref No Address New Parts No Description Parts SMES Big 2j A R R C230 x CC JHCH18150J CHIP C 15PF J C231 CC73HCH1E330J CHIP 7 239 CC73GCH1H020C CHIP C 2 C232 CC73GCHIHT1RSC CHIP 1 5 239 5 1 5PF C C232 0 CHIP 1 5 C C234 CC73GCH1H0 CHIP 8PF D C235 ICHTE J C236 G7 386H1H050 C CHT C C237 UK 73GBTH112K ICHIP K C238 CG7 4HCHIET5UJ CHIP 15 7 C239 CGK74HBIEA71K GHIP C240 CC SHCHTE120J CHIP 1 COLD CK 3HBIEA71K CHIP 470PF K C242 CK 7 3HBIEATIK CHER 470 Coq ICK73HB1EA71K CHIP C A70PF K C243 CK73HB1EA71K CHIP C C244 CHIP C 0 10UE K C245 CK 7 AER LEATTK CHIP 470PF K 246 CHIRE 00051 2247 4K doe TES 0 011 C250 ik CJ2 0602 15 106 10WV C251 GC73HGHIEO08UD CHIP BPE D C301 302 092 0565 05 TANTAL 6 LOWV C303 C92 U587 09 TANTAL 2 2UF C304 iCK73HB1E TU2K 1000PF K C305 CK74HB1C103K CHIP 0 010 C306 73081 103 ICHIP C 0 01UF K 0307 Ix CC73HCH1E390J GHIP 1 C308 CK73HBTICTUA3K CHIP 0 01UF K C309 311 CK 3HB1E471K CHIP AO

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