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Icom IC-Q7 Service Manual

1. line to control the AF mute switch 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHON AMPLIFIER CIRCUIIT LOGIC UNIT The microphone amplifier circuit amplifies the audio signals from the microphone within 6 dB octave pre emphasis characteristics 300 Hz 3 kHz to a level needed for the modulation circuit The microphone amplifier circuit is used for both the VHF and UHF bands The AF signals from the microphone are amplified at the microphone amplifier Q12 and the limiter amplifier Q2 which has a negative feedback circuit for 6 dB octave pre emphasis The amplified signals are applied to the low pass filter Q7 to filler out RF components and are then applied to the RF unit as the MOD signal 4 2 2 MODULATION CIRCUIT RF UNIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone AF signals e VVCO The applied signals from the limiter amplifier changes the reactance of D45 to modulate the oscillated signal at the VVCO circuit Q32 The modulated signal is amplified at the buffer amplifiers IC4 Q40 and is then applied to the drive amplifier circuit for VHF band UVCO The applied signals from the limiter amplifier changes the reactance of D54 to modulate the oscillated signal at the UVCO circuit Q28 Q30 The modulated signal is amplified at the buffer amplifiers IC4 Q40 and is then applied to the drive amplifier circuit for UHF band 4 2 3 DRIVE POWER AMPLI
2. SERVICE MANUAL VHF UHF FM TRANSCEIVER IC Q7A IC Q7E Icom Inc INTRODUCTION This service manual describes the latest service information for the IC Q7A IC Q7E at the time of publication MODEL VER SION SYMBOL eee To upgrade quality all electrical or mechanical parts and internal circuits are subject to change without notice or oblig ation DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 3 5 V Such a connection could cause a fire hazard and or electric DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when con necting the transceiver DO NOT apply an RF signal of more than 20 dBm 100mW to the antenna connector This could damage the trans ceiver s front end ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER 8930046580 LCD Contact IC Q7 LOGIC UNIT 5 pieces 8810009560 Screw PH BO 2 6 ZK 1C Q7 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES Make sure a problem is internal before disassembling the transceiver DO NOT open the transceiver until the transceiver is disconnected from it
3. Input port for the low battery detection Input port for the RSSI signal from the FM IF IC RF unit 2 12 to detect receiving signal strength Input port for CTCSS decoded signal Outputs CTCSS and T CALL signal while transmitting and control signal TSTCTU tor VHF UHF tunable BPF while receiving Description Outputs T3V and VHT2V regulators control signal Low Transimit VHF Outputs 3S regulator control singal Outputs 3V regulator control signal Outputs LCD backlight control signal High Lights ON Outputs T3V and UHT2V regulators control signal Outputs BUSY LED control signal High The BUSY LED is ON Input port for the PTT switch High While PTT switch is pushed Input port for the RESET signal Outputs data signals to the EEPROM IC LOGIC unit 2 4 Outputs clock signal to both PLL IC RF unit IC3 and EEPROM IC 2 43 ECK I3 Outputs clock signal to EEPROM IC 10 FSET Output signal to adjust the RIT Outputs control signal for the CTCSS 12 SQL Pulse signal input port for the squelch 44 45 12 11 Input ports for Initial matrix 46 PSTB IO Outputs strobe signals for the PLL IC Outputs data signals to the PLL IC Input port for the FUNC switch Low While FUNC switch pushed Input port for the SQL switch Low While SQL switch is pushed is
4. TX RX BWR 271 aen Sw Sw cave 0502 XP1113 lt 118 175MHz VHF3V Q14 FH102 Q503 XP1113 Q32 Fi G3V 045 1 D1 HVU350 Q15 25 1588 800M3V D2 HVU350 Q16 XP1214 Q25 2SA1588 017 28 3356 018 25 3356 040 15 308 019 25 3356 021 25 3356 1 a 330 469 995MHz D27 MA2S077 Q20 283356 038 MA2S111 Q22 2505277 CONT xt Q3 XP4312 043 2805231 CRAS Q42 28C4617 19 200 MHz 026 MA132WK 300 470MHz 283 00 429 995MHz 30 000 282 995MHz 451 000 494 195MHz 163 300 184 295 2 D gt 833 000 1066 695MHz 274 850 549 8475 2 5 430 000 450 995MHz 035 05 D4 HVU350 025 15V308 052 18V308 3 D5 HVU350 029 15 308 RXLOSW PASS 050 15V308 011 18V308 bay 160308 FIL 1C3 Q2 2SK880 SZ x BANDSW 013 1SV308 UPD3140GS 045 2504117 M32WK D42 MA2S077 Di axLosw VCO PDAUI D43 25077 Dee 25077 Q6 FH102 A 62 024 2SC5277 052 18 55 065 MA2S077 D17 1SV305 Q37 28C4617 1 2 053 MA2S111 470 1026 695MHz 036 1SV308 1 57 047 9 9115 057 MA728 D20 65718 7 A Pass D21 MA6S718 Q33 XP1113 Q46 XP4312 044 XP4312 090 29077 Q4 XP6501 061 MA2S077 43S LOSW Q31a FH102 CONT 30 117 995MHz 175 329 995MHz 25 Di LPF D IC10 AM N UPC2757T JK DET 058 MA28
5. 3 47k rigs 050 1SV308 68k C184 qoo 047 1SV308 C257 256 22 C107 C108 UPD3140 GS 020 uHT2v 229 15308 R67 10k UHF3V 660186 R154 1k R50 C221 oe 2 0 01 CFWM450E 6429 173 Fi IL 4 Q46 mm 058 25077 001 12 FL 293 0 ot 0 01 WE XP4312 27 IC10 6 IC27 5485 UPC2757T E3 C18 M 25077 MA2S077 2 L77 R207 R203 o PS e 820H 10k C507 150P IC1 C158 L56 3 C234 C71 y 000 UPC2757T E3 2 017 EFCH226MKOP1 ie as ND IFO alio PS C70 C206 5 000 T m 1 2 0553 io LI 044 4312 047 22k UN9115 062 29077 063 MA2S077 ES 1 8222 2 2M 064 28077 L7 amp 27mH 179220 ww D65 R220 C508 C509 Secr 020 2207 3726 18 5 X C268 C269 22P 126 Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Phone 06 793 5302 Fax 067930013 Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 Icom Canada A Division of Icom America Inc 3071 5 Road
6. D34 013 154308 33nH 22 nH 0 m 19 308 Rea 30 118M 8 1 UPC2757T E3 C24 22k 175 330M 0001 68nH 0001 C40 E os ye MA132WK 1 1 R4 12k L I C46 C5 026 2565277 D2 1 3P 470P C147 15 036 1SY308 c cso 1 4P 134 L44 18 0H 1027 1300M t12 C4 C51 47k 9112 10 nH 1sPT ose 22 x 9110 12k R221 22k 062 25077 063 25077 1026 7 1309 995 2 96 82 64MM2507 178270 L7922nH 0414 0 001 C267 C270 can ovn 2 C268 22 12 11 2 SHIFT OFF 274 380MHz UVCO SHIFT ON 380 550MHz C166 0 001 223 R124 25077 168 L62 183 054 0165 1 120 953 4 C236 Q29 50 105044 16 286 2P cg 0 001 05P UPC2746T OH f EN AE I XI 040 00011 pas 9001 2142 2178 2 C157 C160 F319 C244 28C5231 C8 25 JA gt em qw Sask R186 10k R104 are RUN Tk hid Q28 2P i 47k 2SC5006 5 1 R123 C224 R161 C262 8160 0 001 47k 80 0001 220 Wes C164 0 001 120 Q16 R211 15k XP1214 au 5 7 212 Hs IB 4 ais C169 10k 9001 052 15 208 06 VVCO 136 183MHz D42 zu 0 001 10k map 188 C175 Wigs DBL1 Q33 22k 22k 15 0001 XP113 147 0 15 R178 4 n 08L1 679 E Ra oo 05 F 6r
7. Output signal to adjust the TX modula tion level and RX volume level input port for clock signal from the DIAL Outputs AM mode select signal Low When AM mode is selected Outputs WFM mode select signal Low When WFM mode is selected PDA UL 47 48 Input port for PLL unlock signal from PLL IC RF unit IC3 Output control signal for the doubler circuit Outputs band pass filter select signal Low When frequencies 30 0 to 118 0 MHz or 175 0 to 330 MHz are displayed Output band pass filter select signal Low When frequencies 1027 to 1300 MHz are displayed Output band pass filter select signal Low When frequencies 470 to 1027 MHz are displayed Outputs beep audio signals Input port for the UP DOWN signal from the DIAL Input port for the POWER switch Low While POWER switch pushed is Outputs contro signal for the AF amplifier requlator circuit High Activates the AF amplifier cir cuit Outputs R3V regulator control signal while receiving Output band pass filter select signal Low When frequencies 330 to 470 MHz are displayed Output band pass filter select signal Low When frequencies 118 to 175 MHz are displayed Outputs shift signal for the VCO shift switch RF unit Q29 High Shift ON 380 550 MHz Low Shift OFF 274 380 MHz
8. The 1st mixer circuit converts the received RF signals to a fixed frequency of the 1st IF signal with a PLL output fre quency By changing the PLL frequency only the desired fre quency will pass through the bandpass filter at the next stage of the 1st mixer The filtered RF signals are mixed with 1st LO signals at the 1st mixer IC1 to produce a 266 7 MHz 1st IF signal The 1st IF signal is output from pin 6 and passed through the band pass filter 1 to suppress unwanted harmonic compo nents The filtered 1st IF signal is applied to the 2nd mixer circuit The 1st LO signals are generated at the V VCO Q32 D45 or U VCO Q28 Q30 D54 circuit according to the receiving frequency and are applied to the 1st mixer IC1 pin 3 directly or passing through the doubler circuit Q31 after being amplified at the buffer amplifier IC4 Q40 4 1 7 1ST IF AND 2ND MIXER CIRCUITS RF UNIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal The filtered 266 7 MHz 1st IF signal from the bandpass filter 1 is mixed with the 2nd LO signal at the 2nd mixer 10 to produce a 19 65 MHz 2nd IF signal The 2nd IF signal passes through except WFM mode or bypasses WFM mode the bandpass filter FI3 and is then amplified at the buffer amplifier Q5 The amplified signal is applied to the demodulator circuit 4 1 8 DEMODULATOR CIRCUITS RF UNIT The demodulator circuit converts the 2nd IF signal into AF sign
9. MA8068 M Symbol 6 8 v Dy 25 4081 Symbol BS B 25 5277 D2 Symbol D2 B 25 4117 GR Symbol DG B 25 4617 5 Symbol BR B 25 144 Y Symbol VX S FH102 Symbol 102 E2 B2 B1 XP1401 AB Symbol 5V B1 E B2 15 308 Symbol TX 65718 Symbol M2N UN9115 Symbol 6A B XP4214 Symbol BR E1 B1 C2 HVU350 Symbol 4 2SK880 Y Symbol XY S D 805 T Symbol T82 E2 B2 B1 MA132WK Symbol MU A1 A2 MA728 Symbol 2A d E 9 MA729 Symbol 2B a 5 E T Inside 1 gt t lt surface SECTION 9 9 1 LOGIC UNIT TOP VIEW BOTTOM VIEW Inside 2 Underside Inside 1 Surface ET J1 to unit Ji ABLE 9 2 RF UNIT VIEW Surface Inside 1 77 Inside 2 7777 Underside 29 ge 4 3D VC BOTTOM VIEW Surface Inside 1 Inside 2 Underside SECTION 10 BLOCK DIAGRAM 7 9 2SC3356 03 25077 010 2SC3356 0501 DTATA4EE 06 15 308 Q11 2563356 E 9 015 25077 Q13 2803356 D23 25077 09 18V308 016 MA2S077 ONE 2903950 039 MA2S111 Q23 2505231 028 25077 J BAND
10. TWN 146 000 MHz ITA SEA USA USA 1 Connect the audio generator to the SP MIC connector and set as 50 mV 1 0 kHz Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector 2 Transmitting Displayed frequency 435 000 MHz EUR TWN ITA SEA 445 000 MHz USA USA 1 Transmitting TONE CALL DEVIATION VHF EUR ITA only Displayed frequency 145 000 MHz EUR 146 000 MHz ITA Apply no audio signal to the SP MIC connector Set an FM deviation meter as HPF OFF LPF 3 kHz De emphasis OFF Detector 2 Transmitting Displayed frequency 435 000 MHz EUR ITA Transimitting Displayed frequency 145 000MHz EUR TWN 146 000 MHz ITA SEA USA USA 1 Apply no audio signal to the SP MIC connector Set an FM deviation meter as HPF OFF LPF 3 kHz De emphasis OFF Detector 2 e CTCSS tone 88 5 Hz TONE ON Push CALL key while transmit ting Displayed frequency 435 000 MHz EUR TWN ITA SEA 445 000 MHz USA USA 1 Transmitting MEASUREMENT LOCATION Connect an FM deviation meter to the antenna con nector through an attenuator ADJUSTMENT POINT R214 Connect an FM deviation meter to the antenna con nector though an attenuator Connect an LM 0 5 kHz 1 0 kHz deviation meter to the antenna con ne
11. 144 304081 T 00022 R128 10 R119 180k 06701 A116 47k ans 8166 i 9136 e 8165 220k 18k ne I Q30 470k 222k ge an2 82K XP6501 AB f 120k 33k 33k C90 0 0047 2164 R118 066 10k A133 1 Sk 9 WFMS 01 180k D17 01 25111 01 0 0047 5122 ma Loes 1588 GH 2 2 d 180M 470k T SA 92 C81 R125 01 38140 15 mer 47k gt 180 k 180 0 627 C76 R130 C74 01 01 15k 01 1 2504001 5 i I R109 R132 C93 254144 Y pens R150 R153 115 TA31056F 330 47k NEM 2f vcc j 47 100 47 11 1 11 2 RF UNIT L57 44 nH L58 60 nH 016 25077 076 119 AE P 282nH L59 VHF PA Rist 14 2 META 013 2SC3356 R25 923 7 C925P 1015 2194220 cl1515P 29 5231 C8 75 28077 0 001 cn C67 Tee ze R76 C56 22k 475M LPF 90 7 0001 25077 870 Tc 278 2 R184 10k 0001 0001 900 R186 10k C262 0 001 V F Q15 C211 LI 118 175M 28 1588 15 C121 025
12. S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ2GEJ 102 X 1 ERJ2GEJ 153 X 15 ERJ2GEJ 682 X 6 8 kQ ERJ2GEJ 152 X 1 5 kQ ERJ2GEJ 101 X 100 Q ERJ2GEJ 104 X 100 ERJ2GEJ 104 X 100 kQ ERJ2GEJ 101 X 100 ERJ2GEJ 101 X 100 Q ERJ2GEJ 101 X 100 Q ERJ2GEJ 153 X 15 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 223 X 22 kQ ERJ2GEJ 332 X 3 3 kQ ERJ2GEJ 471 X 470 Q ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 152 X 1 5 kQ ERJ2GEJ 104 X 100 ERJ2GEJ 334 X 330 MC ERJ2GEJ 820 X 82 C ERJ2GEJ 102 X 1 MC E
13. S TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H100CCQ ECUE1H100CCQ ECUE1H050BCQ ECUE1H1R5BCQ ECUE1H020BCQ ECUE1H020BCQ ECUE1H150JCQ ECUE1H050BCQ ECUE1H070CCQ ECUE1E102KBQ C1005 JB 1C 103K T A C1005 JB 1C 103K T A ECUE1H030BCQ ECUE1H010BCQ ECUE1H040BCQ ECUE1H030BCQ ECUE1H010BCQ ECUE1H1R5BCQ ECUE1E471KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H020BCQ C1005 JB 1C 103K T A ECUE1E102KBQ ECSTOJY106R ECUE1H151JCQ ECUE1H150JCQ C1005 JB 1C 103K T A C1005 JB 1C 103K T A ECUE1H330JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H040BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E471KBQ ECUE1H390JCQ TESVSP 1C 334M 8R ECUE1E102KBQ ECUE1H470JCQ ECUE1E102KBQ ECSTOJY106R ECUE1E102KBQ ECUE1H180JCQ C1005 JB 1C 103K T A ECUE1H470JCQ ECUE1H470JCQ ECUE1H470JCQ C1005 JB 1C 103K T A C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ C1005 JB 1C 103K T A C1005 JB 1C 103K T A ECUE1E681KBQ ECUE1E681KBQ C1005 JB OJ 104K T N ECUE1H100CCQ ECUE1E102KBQ C1005 JB 1C 103 C1608 JB 1E 103K T A
14. freq deviation Spurious Emissions FM 200 channels x6 ppm max 10 C to 60 C 5 6 25 10 12 5 15 20 25 30 50 and 100 kHz 50 Q 2 x AA R6 Ni Cd or alkaline cell Negative ground 5 kHz 6 kHz Standby 95 mA typical Max audio 170 typical Power saved 38 mA typical VHF 440 mA typical UHF 380 mA typical 10 C to 60 C 14 F to 140 F 58 W x 86 H x 27 D mm 9962 VV x 838 x 1V6 D in 170 g 6 oz 4 conductor 3 5 d mm 18 2 kQ 8 Q VHF 350 mW UHF 300 mW Variable reactance modulation x5 kHz less than 40 dB RECEIVER Receiver system Tripple super heterodyne Intermediate frequency 1st 266 7 MHz 2nd 19 65 MHz 3rd 450 kHz Sensitivity 032 118 0 136 0 except spurious points typical values 247 0 330 0 330 0 380 0 FM and WFM are measured at 12 dB SINAD AM is measured at 10 dB S N Squelch sensitivity less than 0 18 pV 144 148 MHz 430 450 MHz less than 0 22 uV Selectivity FM AM more than 15 2 6 dB less than 30 2 60 dB WFM more than 150 kHz 6 dB 100 mW typical at 10 dis tortion with an 8 Q load Audio output power All stated specifications are subject to change without notice or obligation 1 1 SECTION2 INSIDE VIEWS LOGIC UNIT AF power amplifier IC15 TA31056F AF mute switch Q37 28J144 3 2 reg
15. lt gt 030 25 5006 Q24 2541588 D54 15 286 D D Q19 DTC144EE 1 DIS HVUSSO IC14 M5222FP LOOP CONT VRIC C 4 DTC144EE rm 3 25585660 XP6501 02 XP5601 C12 X06501 6 UPD3140GS Q45 2804117 LPF MIC PDAUL PCK IS PSTB 5 RIPPLE Rav A 537 25 4617 L 563 M 25111 77 020 MA6S718 923601 S8 JFM1990 2013R 021 MA6S718 501 046 XP4312 Q38b XP5601 war ome MA2S077 Q1 XP6501 RENS AX 017 25111 Q31 2504081 37 25 44 sw A 058 DLC 7995 TA31136FN D16 MAT32WK Q30 XP6501 A Q18 DTA144EE IFIC D55 gt MA132WK o d 056 MA132WK Y Q10 XP6501 081 SEC2422C RED CERAMIC LED BPF GREEN V LED RX RTONE Q38a V TONE XP5601 082 CL 200YG C TS FIL LIGHT LIGHT LED xi DET 5 CR613 TCON IC1 HD74LVOOT TbEr 4 935 2 935 2541588 IC9 NJM2904V 2 08 DTA144EE Y gt b 1611 m E 2 M38267M8L 8 lt 0115 4213 5 5 807255 01 28111 014 MA2S111 913 0 114 BATT MATRIX 2 X251605 D H 040 25 1588 MA2S111 D9 MA2S111 010 MA2S111 011 25111 012 25111 013 25111 Q11a XP4213 SECTION 11 VOLTAGE DIAGRAM 11 1 LOGIC UNIT 1 1 DS 4 Y 2 058 0CL 7995 RS d Q10 XP6501 AB 1
16. 10 SQUELCH CIRCUIT LOGIC AND RF UNITS NOISE SQUELCH The noise squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch A portion of the AF signals from the FM IF IC IC2 pin 9 are applied to the active filter section IC2 pin 8 The active fil ter section amplifies and filters noise components The fil tered signals are applied to the noise detector section and output from IC2 pin 13 as the SDET signal The SDET signal from IC2 pin 13 passes through the noise detector LOGIC unit IC1 and is then applied to the CPU LOGIC unit IC11 pin 12 via SQL line The CPU ana lyzes the noise condition and outputs the AMUTE signal to AF mute switch Q37 Even when the squelch is closed the AF mute switch Q37 opens at the moment of emitting beep tones TONE SQUELCH The tone squelch circuit detects AF signals and opens the squelch only when receiving a signal containing a matching subaudible tone CTCSS When tone squelch is in use and a signal with a mismatched or no subaudible tone is received the tone squelch circuit mutes the AF signals even when noise squelch is open A portion of the AF signals from the FM IF IC IC2 pin 9 passes through the low pass filter LOGIC unit IC9 to remove AF voice signals and is applied to the CTCSS decoder inside the CPU LOGIC unit IC11 pin 8 via the
17. 5 24220 817 10k Q4 2SA1588 GR qu R3 PT Hi M38267M8L 209GP gt i ie 013 0IC14466 a S echa qot UP ho 220 irs ONJO R86 1M L 51 8 E E 8 hore HI rl 20138 Sf 13 ir gt KFUNC we Q11 XP4214 ION Q40 25 1588 GR E 82k 2SC4081S 5 qe BEEP 1C2 X25650 2 5 1614 M52 voc INE OUTZ iN2 GNO RIBI 2 33x HD74LV00 94 shah 8114 4 I 1745 023 2 1588 GR e Rx 2 99 ma C100 p 041 IOP at SDET gt px ose x 2564617 S 4 We 115 1056 22 8 LX Q24 pa vee z 3 1 3 TB 3 5 5 wa 2 1588 GR 5 ess 4 m wI 184 x ev Q28 XP1401 AB CL 200YG C TS Q21 4 6501 8146 8145 33k 47k DTC144EE 5 agg 220K Q6 25 1588 g 2912 R68 POWERC 1 RES 013 DTC144EE 4 TL R87 220K 5 Q5 XP1113 100k DC DC CONV f 15 al 9 I 1M 0 001 E LL S 80725SL AN 2 1 S took 817 C25 99 2k 150P 68P 470 MA8068 a Q18 4 11014 5222 Jg
18. DISASSEMBLY CABINET PARIS 2 2 22 5 uve SEMI CONDUCTOR INFORMATION BOARD LAYOUTS LOGIC UNIT eat aap aaa REUNIT fics seca ean alone eed be 8 Rude Sese BLOCK DIAGRAM VOLTAGE DIAGRAM LOGIC UNIT ke Ege qa Rey MRE aie eie ace HISUNIT 5 Dose obs Es AL ES etos As SECTION 1 SPECIFICATIONS GENERAL Frequency range U S A Version Transmit MHz 144 148 440 450 Receive MHz 30 0 823 995 849 0 868 995 894 0 1309 995 Europe 144 146 430 440 30 0 1309 995 Italy Asia TWN 136 174 430 440 144 148 430 440 30 0 1309 995 30 0 1309 995 144 148 430 450 30 0 1309 995 Specifications guaranteed 144 148 MHz Specifications guaranteed 30 1300 MHz Mode No of memory channels Frequency stability Tuning steps Anntena Impedance Power supply requirement Polarity Frequency resolution Current drain at 3 0 V DC Receive Transmit Usable temperature range Dimensions projections not included Weight with antenna and battely MIC SP connector 8 TRANSMITTER Output power at 3 0 V DC Modulation system Max
19. S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C210 4550000530 C211 4030013850 4030013850 C219 4030013850 C220 4030013850 4030009820 4030009820 DESCRIPTION ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H060CCQ ECUE1H060CCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H050BCQ ECUE1E471KBQ ECUE1E471KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H070CCQ ECUE1E471KBQ ECUE1H050BCQ C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1E471KBQ ECUE1H1R5BCQ ECUE1E471KBQ ECUE1E102KBQ ECUE1H040BCQ ECUE1E102KBQ ECUE1H100CCQ ECUE1H050BCQ ECUE1HORS
20. TEMSVA 1E 105M 8L C1608 JB 1C 104K N C1608 JB 1A 224K T N C1608 JB 1A 224K T N ECUE1E102KBQ ECUE1H100CCQ ECUE1H100CCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H150JCQ ECUE1E102KBQ ECUE1H050BCQ ECUE1E102KBQ S Surface mount RF UNIT 4030013850 4030013850 4030013850 4030013850 4030013850 C126 4030014090 C127 4030014090 C128 4030013850 C129 4030013850 C131 4030014080 C132 4030014220 C133 4030014220 C134 4030013850 C135 4030013850 C136 4030014100 C138 4030014220 C139 4030014080 C141 4030009820 C142 4030013850 C145 4030014220 C147 4030014000 C148 4030014220 C150 4030013850 C151 4030014070 C153 4030013850 C154 4030014120 C155 4030014080 C156 4030014420 C157 4030013850 C158 4030013850 C160 4030013850 C162 4550006200 C163 4030013850 C164 4030013850 C165 4030014020 C166 4030013850 C167 4030013850 C168 4030013850 C169 4030013850 C170 4030013850 C171 4030013850 C172 4030013850 C173 4030013850 C174 4030014120 C175 4030013850 C176 4030014240 C177 4030013850 C178 4030013850 C179 4030013850 C180 4030013850 C181 4030014140 C182 4030013850 C183 4030014000 C184 4030013850 C185 4030014150 C186 4030013850 C188 4030013850 C190 4030014000 4030014020 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC
21. TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR uPC2757T E8 TA31136FN EL uPD3140GS E1 088 2746 2757 TC7SO4FU TE85R XP6501 TX AB 2SK880 Y TE85R XP4312 TX XP6501 TX AB 28C5231C8 TL FH102 TL 2SC3356 R25 T2B 25 3356 R25 T2B 25 3356 R25 T2B 2SC3356 R25 T2B 25 3356 R25 T2B FH102 TL 2SA1588 GR 5 XP1214 TX 25 3356 R25 T2B 2SC3356 R25 T2B 2 3356 R25 T2B 25 3356 R25 T2B 2SC3356 R25 T2B 28C5277D2 TL 28C5231C8 TL 28C5277D2 TL 2SA1588 GR TE85R 28C5277D2 TL 1401 25 5006 1 DTC144EE TL 25 5006 1 FH102 TL FH102 TL XP1113 TX UPA805T T1 2SC5231C8 TL 25 4617 TLS 2SC5231C8 TL DTA144EE TL 25 4617 TLS 28C5231C8 TL XP4312 TX 25 4117 TE85R XP4312 TX UN9115 TX DTA144EE TL 1720000370 1720000370 1790001260 1720000370 1720000370 1790001620 1790001620 1790001620 1790001620 1790001260 1790001260 1720000700 1720000370 1790001590 1790001590 1790001260 1790001620 1790000850 1790001260 1790001260 1790001620 1790000850 1790001620 1790001620 1790001620 1790001250 1790001250 1790001620 1720000650 1790001260 1790001620 1790001620 1790001620 1790001250 1720000650 1790000850 1790000850 1790000660 1790001260 1790001260 1790001260 1790001260 1790001260 1790001260
22. Unit 9 Richmond B C V6X 214 Canada Phone 604 273 7400 Fax 604 273 1900 Icom Australia Pty Ltd A C N 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 02 2559 1874 Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 URL http Awww icomeurope com Icom Telecomunicaciones s l Edificio Can Castanyer Crta Gracia a Manresa km 14 750 08190 Sant Cugat Del Valles Barcelona SPAIN Phone 93 589 46 82 Fax 93 589 04 46 E mail icom lleida com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http www icomuk co uk Icom France S a Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 56136 03 03 Fax 561 36 03 00 URL http www icom france com Count on us Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan 54911 Printed in Japan 1998 by Icom Inc
23. pin 9 4 1 4 RX BAND SWITCHING CIRCUIT RF UNIT The signals from the antenna connector pass through the antenna switching circuit D6 D9 The signals are then applied to the RX RF circuit via RX the band switching circuit D11 D13 D31 which suppress out of band signals 4 1 5 RX RF CIRCUIT RF UNIT The RX RF circuit amplifies the received signals within the range of frequency coverage and filters out of band signals 1 470 0 MHz 1026 995 MHz signals RF signals 470 MHz 1026 995 MHz from a band switching circuit 011 pass through a bandpass filter L7 L8 L42 C32 C33 C35 C39 C145 and are amplified at an RF amplifier Q24 The amplified signals are then applied to the 1st mixer circuit IC1 through the band switching diode D32 2 30 0 MHz 117 995 MHz 175 MHz 329 995 MHz The 30 0 MHz 117 995 MHz 175 MHz 329 995 MHz sig nals pass through a low pass filter L9 L10 C40 C43 via the band switching diode D13 and are then amplified at the RF amplifier Q36 The amplified signals are applied to the 1st mixer circuit IC1 via the band switching diode D34 3 1027 0 MHz 1309 995 MHz The 1027 0 MHz 1309 995 MHz signals pass through a bandpass filter L11 L12 L43 C4 C5 C45 C51 via the band switching diode D13 and are then amplified at the RF amplifier Q36 The amplified signals are applied to the 1st mixer circuit IC1 via the band switching diode D36 4 1 6 1ST MIXER CIRCUIT RF UNIT
24. 05120 7030007270 7030009140 7030005120 7030009140 7030004990 7030005040 7030005710 7030005000 7030005080 7030004990 7030007340 7030005050 7030005050 7030005090 7030005120 7030007340 7030005300 7030005120 7030005120 7030005050 7030005050 7030005120 7030005120 7030004990 7030007270 7030004990 7030005720 7030008010 7030009290 7030005050 7030004990 7030005050 7030005050 7030005050 7030004980 7030005050 7030005050 7030005030 7030007260 7030007340 7310003630 7030005220 7310003630 7030007260 7030004970 7030009530 7030007570 7030007290 7030007290 7030005530 7030005530 7030005090 4030014340 4030011810 4030014120 4030014000 4030014220 4030013850 4030014160 4030014030 4030014000 4030014160 4030014180 4030014160 4030013850 4030013980 4030013850 4030009820 4030014130 4030014170 4030014050 4030014100 4030014080 4030014100 4030013850 4030014220 4030013850 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S TRIMMER S RESISTOR S TRIMM
25. 077 102 A D59 MA2S077 TA31136FN 226 2805277 1066 700 1309 995MHz 41 1026 700 1309 995 2 494 200 832 995MHz 056 gt gt MA132WK J o IC1 UPC2757T D56 MA132WK gt A BPF Q5 1113 Fl2 CFWM450E aN CONT TENES PENES WFMS Q6 28A1588 3V 4 SDET NOISE DE 1 1 HD74LV 035 2SA158 Y 35 35 lt cont K Q3 2541588 039 6501 R3V RX R3V lt 1 CON IC3 XC62FP3002MR Q4 2SA1588 1 5 S 80725SL D14 25111 gt VHT2V m Q13 DTC114EE 2VREG Sw y 4 pene 6 EA Q28 XP1401 Q32 2SA1588 Q21 XP6501 10 X6371A351PR D4 MA729 RIPPLE VP S Ei 3 pcc K Q26 2SC4081 D3 155372 015 156372 05 188372 10 1 2501 144 RXBAND sw 2602 XP1113 E 300MC COMMON DATA 1 RX 4 Q32 FH102 I 045 15V286 35 21 227 XP1401 Nu ICA VVCC VCOSW UPC2746T lt MOD q y Uvco AFREG xt 3 2505231 023 2SA1588 CR593 Q36 25 4081 1015 TA31056F 19 200 MHz 028 2565006 Q41 284617
26. 16 435 100 8 81100 RS 9 NOTE Adjustment frequency data must be programmed into proper channels don t turn the order of channels other wise adjustment value will be wrong Europe and italy versions only Depending on the versions Cannel 11 145 000 EUR 146 000 ITA Cannel 13 145 000 EUR TWN 146 000 ITA SEA USA USA 1 Cannel 14 435 000 ITA SEA TWN 445 000 USA USA 1 When the adjustment is finished the transceiver must be cancelled adjustment mode to use normal operation otherwise trans ceiver does not work properly D Turn power OFF 2 Push and hold FUNC and V M then turn power ON NOTE All memory data except adjustment value will be cleared at this operation CLONING CABLE MODIFICATION Connect to RS 232C port Connect to SP MIC jack Change the value of the resistor R2 from 33 to 10 CONNECTION to the antenna connector RF power meter 1 W 50 0 Attenuator 30 dB or 40 dB FM Deviation meter Frequency counter Standard signal generator to SP MIC jack Audio generator CAUTION DO NOT transmit while an SSG is connected to the antenna connector AD 92SMA Optional SMA BNC adaptor DC power supply 3 0 V 1 0A 5 2 PLL ADJUSTMENT 1ST 2ND VCO LOCK VOLTAGE must be verified on the normal mode
27. 1790001260 1790001260 2040001200 2020001270 2010002280 6050010210 6200007740 6200008580 6200008230 6200008210 6200008330 6200005700 6200005630 6200005720 6200005700 6200005610 6200005660 6200005620 6200007750 6200005730 6200007170 6200004480 6200008210 6200005740 6150004840 S VARICAP S VARICAP S DIODE S VARICAP S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE S VARICAP S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S SAW CERAMIC S MONOLITHIC S XTAL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL DESCRIPTION 0502 1590001810 S TRANSISTOR XP1113 TX 0503 1590001810 S TRANSISTOR 1113 TX HVU350TRF HVU350TRF 25077 HVU350TRF HVU350TRF 1SV308 TPL3 ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 MA2S077 TX MA2S077 TX 1SV305 TPL3 HVU350TRF MA6S718 TX MA6S718 TX MA2S077 TX ISV308 TPL3 MA132WK TX MA2S077 TX 25077 ISV308 TPL3 MA132WK TX ISV308 TPL3 15 208 TPL3 15V308 TPL3 MA2S111 TX 25111 157308 TPL3 25077 MA2
28. 2 1 0 001 0 001 15308 qp 1 1 en L 31 m VV ae 025 8 25 1588 GR R21 L 22k 22k R214 118 174 995 2 96 47k m 0 15 uH piis peream C213 03 C216 15 0001 25077 12 2320 15 M 15V308 470P 017 021 8137 L _25C3356 R25 i CV us SCI DE 022 mise 220 1 C19 C218 8P 2 335 2 15 nH C210 Wace d beum 12 2 cos n 25 5277 D2 27k 0 82 uH C132 220 130 ig To 0001 082kH 12 4 32 0H 5 4 886 A202 220 150 3P ET Q18 18k 4 ims 25C3356 R25 gt IC TM NT con D38 26000 UPD3140 GS 2220 TL MA2S111 C1290001 a F T cus Ded gt 019 0 001 10k 25C3356 R25 C240 A21 R24 47k 10k 5P 133 7 5 ee en eee ey C26 Q35 1 4706 225 226 189308 Ree C437 C128 8176 UPA805T 0 047 0 047 Stor PEELS wr O42 so Riy PAY 428C4617 139 30 47k Ris C59 XX 2e 0 001 47k 7P D29 1SV308 c31 care 0 001 0 001 C124 160 05 04 amp 8nH HVU350 HVU350 891 C265 22k R23 0 001 Tom 22k C409 0 o U I 330 470 330 469 995 297 8 2 470 1026 695 2 96 8 8 8 0001 i C36 n 011 15V308 22k abo 10P 5 56 I 470 1027 024 2565277 02 i 059 C435 7 C38 UPC2757T E3 919 2907 22nH 2P 2 1 RFI Fols 19
29. 2GEJ 103 X 10 MC ERJ2GEJ 153 X 15 ERJ2GEJ 224 X 220 kQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 MC ERJ2GEJ 222 X 2 2 ERJ2GEJ 332 X 3 3 ERJ2GEJ 562 X 5 6 kQ ERJ2GEJ 184 X 180 KQ EUR ITA only ERJ2GEJ 103 X 10 kQ EUR ITA only ERJ2GEJ 221 X 220 Q ERJ2GEJ 474 X 470 kQ ERJ2GEJ 123X 12 ERJ2GEJ 104 X 100 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 102 X 1 kQ ERJ2GEJ 332 X 3 3 kQ ERJ2GEJ 104 X 100 kQ ERJ2GEJ 100 X 10 Q ECUE1H101JCQ C1005 JB 1H 182K T N C1005 JB OJ 104K T N TEMSVB2 1A 336M 8R ECUE1E102KBQ C2012 JF 1C 105Z T A C1005 JB OJ 104K T N EUR ITA only ECUE1H100CCQ ECUE1H100CCQ C1005 JB 1E 472K T N C1005 JB OJ 104K T N C1005 JB 1A 393K T N C1005 JB OJ 104 C1005 JB 1H 152K T N ECST1AD107R ECUE1E102KBQ C2012 JF 1C 105Z T A TEMSVB 1E 335M 12L C2012 JF 1C 1052 ECUE1H101JCQ ECUE1H470JCQ ECUE1H470JCQ ECUE1H470JCQ ECSTOJY106R ECUE1H151JCQ ECUE1E471KBQ LOGIC UNIT DESCRIPTION 4030013920 S CERAMIC 4030013850 S CERAMIC 4550006200 S TANTALUM 4030013850 S CERAMIC 4030008680 S CERAMIC 4550006320 S TANTALUM 4030013850 S CERAMIC 4030008680 S CERAMIC 4030013850 S CERAMIC 4030011810 S CERAMIC 4030013970 S CERAMIC 4030013850 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013850 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4550006200 S TANTALUM 4030008680 S CERAMIC 4030013850 S CER
30. 5 0 MHz are passed through the low pass filter L57 L59 8 11 C67 and are applied to the VHF RF circuit RF signals 330 0 2 469 995 MHz The 330 MHz 469 995 MHz RF signals are passed through the bandpass filter 13 15 C21 C24 C218 and are applied to the UHF RF circuit 4 1 3 VHF UHF RF CIRCUIT RF UNIT The VHF UHF RF circuit amplifies the received signals with in the range of frequency coverage and filters out of band signals 1 VHF RF CIRCUIT The filtered signals from the low pass filter circuit are ampli fied at the VHF RF amplifier Q14 through the Tx Rx swich ing diode D15 and are then passed through the two stages of tunable bandpass filters D1 D2 L28 L1 The filtered sig nals are applied to the 1st mixer circuit IC1 pin 1 via the band switching diode D25 2 UHF RF CIRCUIT The filtered signals from the bandpass filter circuit are ampli fied at the UHF RF amplifier Q35 via the Tx Rx switching diode D27 and are passed through the two stage of tunable bandpass filters D4 D5 L61 L60 The filtered signals are applied to the 1st mixer circuit via the band switching diode D29 The filtered signals are applied to the 1st mixer circuit IC1 pin 1 The tunable bandpass filters employ varactor diodes D1 D2 D4 D5 to tune the center frequency of the RF passband for wide bandwidth receiving and good image response rejec tion These diodes are controlled by the CPU LOGIC unit IC11
31. 5 JB OJ 104K T N ECUE1E102KBQ C1005 JB 0J 104K TN C1005 JB OJ 104K T N ECUE1E102KBQ C1005 JB 0J 104 C1005 JB 0J 104K T N ECSTOJY106R C2012 JF 1C 1052 ECUE1E102KBQ ECUE1E102KBQ C1005 JB OJ 104 ECUE1E102KBQ ECUE1E102KBQ C1005 JB 0J 104 ECST1AC476R TEMSVD 0G 227M 12R ECUE1E102KBQ C1005 JB 0J 104K T N C1005 JB OJ 104K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 1C 183K T N C1005 JB 1E 472K T N C1005 JB 1E 472 C1005 JB 1H 222 C1005 JB 1E 472K T N C1005 JB OJ 104K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB OJ 104K T N C1005 JB 1A 473K T N ECUE1H101JCQ C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB OJ 104K T N C2012 JF 1C 105Z T A C2012 JF 1C 1052 ECSTOJY475R ECSTOJY475R C1005 JB 1E 472K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 1C 183K T N C2012 JF 1C 1052 ECSTOJY475R C1005 JB 0J 104K T N TEMSVB2 1A 336M 8R ECUE1H680JCQ C1005 JB 0J 104K T N ECUE1E102KBQ ECUE1H101JCQ C1005 JB 0J 104 C1005 JB 0J 104K T N EUR ITA only C1005 JB 0J 104K T N C1608 JB 1A 224K T N ECUE1E102KBQ C1005 JB 0J 104K T N C1005 JB 0J 104K TN TEMSVA 1E 105M 8L ECST1EY474R SEC 2422C CL 200YG C TS DLC 7995YBGF S Surface mount LOGIC UNIT 2230000900 2250000390 2230000900 6510020560 6450001910 7030003860 7030003860 7030003860 8970023220 7700002310 0910050820 NO S SWITCH ENCODER
32. AMIC 4030013850 S CERAMIC 4030013970 S CERAMIC 4030013850 S CERAMIC 4030013850 S CERAMIC 4030013970 S CERAMIC 4550006690 S TANTALUM 4550006550 S TANTALUM 4030013850 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013930 S CERAMIC 4030013910 S CERAMIC 4030013910 S CERAMIC 4030013880 S CERAMIC 4030013910 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013960 S CERAMIC 4030014200 S CERAMIC 4030013970 S CERAMIC 40300139701 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030008680 S CERAMIC 4030008680 S CERAMIC 4550006320 S TANTALUM 4550006320 S TANTALUM 4030013910 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013930 S CERAMIC 4030008680 S CERAMIC 4550006320 S TANTALUM 4030013970 S CERAMIC 4550006760 S TANTALUM 4030014190 S CERAMIC 4030013970 S CERAMIC 4030013850 S CERAMIC 4030014200 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4030011810 S CERAMIC 4030013850 S CERAMIC 4030013970 S CERAMIC 4030013970 S CERAMIC 4550003220 S TANTALUM 4550006140 S TANTALUM 5040001760 S LED 5040002230 S LED 5030001610 LCD ECUE1H470J6G C1005 JB 1C 183K T N C1005 JB 1C 822K T N ECUE1E102KBQ ECSTOJY106R ECUE1E102KBQ C2012 JF 1C 1052 ECSTOJY475R ECUE1E102KBQ C2012 JF 1C 1052 ECUE1E102KBQ C1608 JB 1A 224K T N C100
33. AMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CONNECTOR JUMPER S JUMPER PCB TUBE DESCRIPTION C1005 JB 1C 103K TA ECUE1E102KBQ C1608 JB 1C 473K T A C1608 JB 1C 473K T A C1608 JB 1C 473K T A C1005 JB 1A 473K T N ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H1R5BCQ C1005 JB 1C 103K T A ECUE1H050BCQ C1608 JB 1A 224K T N C1608 JB 1A 224K T N ECUE1H180JCQ ECUE1H050BCQ ECUE1H060CCQ TEMSVA 1E 105M 8L C1005 JB 1C 103K T A ECUE1H080CCQ ECUE1H040BCQ ECUE1H080CCQ ECUE1H390JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H101JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H030BCQ ECUE1H180JCQ ECUE1H220JCQ ECUE1H120JCQ ECUE1H3R5BCQ ECUE1H100CCQ ECUE1H470JCQ ECUE1H470JCQ C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H270JCQ TEMSVA 1
34. BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECSTOJY106R ECUE1E102KBQ ECUE1E102KBQ ECUE1H020BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H100CCQ ECUE1E102KBQ ECUE1H180JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H150JCQ ECUE1E102KBQ ECUE1H1R5BCQ ECUE1E102KBQ ECUE1H220JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H1R5BCQ ECUE1H020BCQ ECUE1H040BCQ ECUE1H080CCQ ECUE1H220JCQ ECUE1H1R5BCQ ECUE1H020BCQ ECUE1H3R5BCQ ECUE1H060CCQ ECUE1H120JCQ C1005 JB 1C 103K T A ECUE1H3R5BCQ ECUE1H330JCQ ECUE1H470JCQ ECUE1E102KBQ TESVA 1V 104M1 8L ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H120JCQ ECUE1H020BCQ ECUE1E102KBQ ECUE1E102KBQ C1005 JB 1C 103K T A C1005 JB 1C 103 RF UNIT 4030009820 4030013850 4030008920 4030008920 4030008920 4030013960 4030013850 4030013850 4030013850 4030013850 4030014000 4030009820 4030014080 4030011810 4030011810 4030014240 4030014080 4030014090 4550003220 4030009820 4030014110 4030014070 4030013850 4030013850 4030013850 4030014050 4030014240 4030014150 4030014130 4030014060 4030014120 4030014180 4030014180 4030014020 6510020550 7120000380 7030003860 0910050476 9029703901 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CER
35. E 105M 8L C1005 JB 1C 103 ECUE1H560JCQ C1005 JB 1C 103K T A C1005 JB 1C 103K T A C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1E102KBQ C1005 JB 1C 103K T A ECUE1H010BCQ ECUE1H040BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H151JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H020BCQ ECUE1E102KBQ ECUE1H080CCQ ECUE1H080CCQ ECUE1H010BCQ ECUE1H020BCQ AXK6S40445P JPW 01 R 01 ERJ3GE JPW V B 5171F IRRAX 0 7 d L 5mm S Surface mount SECTION 7 MECHANICAL PARTS AND DISASSEMBLY 7 1 CABINET PARTS CHASSIS PARTS Eee ODER NO DESCRIPTION 6510020950 Connector SMA R226 2510000960 Speaker K036NA500 26A27 8210015650 1995 Front panel A 8210015660 1995 Front panel B 8210014981 1995 Rear panel 1 8110006280 1995 BATT cover 8930044211 1995 7 Key 1 8930046410 1995 PTT rubber 8930044181 1995 Jack cap 1 8310041810 1995 Window plate 8010017352 1995 Chassis 2 8930011900 Sheet SP net A 8830000570 Screw A 8830001090 Screw D 8110006290 1995 Lock cover 8610010520 Knob N 262 8930044250 1995 BATT seal 8810009790 Screw PH BO 1 7X4NI ZU 8810009560 Screw PH BO 2X6ZK BT 8930047470 1995 Mic Sheet 8930043440 Sponge EY N Q lll LOGIC UNIT FEM ODER NO DESCRIPTION 5030001610 LCD DLC 7995 8930046581 LCD Contact 1995 LCD Holder 1995 LCD Sheet 1995 Refle
36. EJ 472 X 4 7 7030005240 ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 100 X 10 Q ERJ2GEJ 330 X 33 Q ERJ2GEJ 473 X 47 kQ ERJ2GEJ 333 X 33 kQ ERJ2GEJ 474 X 470 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 153 X 15 kQ ERJ2GEJ 184 X 180 7030007290 S Surface mount LOGIC UNIT 7030008300 7030005170 7030008300 7030005310 7030005050 7030007340 7030008290 7030008290 7030005530 7030005240 7030007340 7030005050 7030008300 7030005220 7030005240 7030009290 7030008300 7030008300 7030005040 7030005220 7030007300 7030007290 7030007290 7030009270 7030005240 7030005060 7030005310 7030005060 7030005210 7030005050 7030005050 7030005050 7030007340 7030005110 7030005050 7030005050 7030005050 7030007290 7030007300 7030009290 7030008300 7030005050 7030004990 7030005170 7030008010 7030005090 7030005050 7030005120 7030007300 7030005090 7030005530 4030014200 4030013900 4030013970 4550006760 4030013850 4030008680 4030013970 4030014120 4030014120 4030013910 4030013970 4030013950 4030013970 4030013890 4550006670 4030013850 4030008680 4550003240 4030008680 4030014200 4030014180 4030014180 4030014180 4550006200 4030014210 4030014220 DESCRIPTION S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESIS
37. ENT ADJUSTMENT CONDITION Displayed frequency tk ch 145 600 MHz Connect an SSG to the antenna connector and set as Level 11 IV 107 dBm 1 kHz 3 5 kHz Modulation Deviation Receiving Displayed frequency tk ch 435 600 MHz Receiving MEASUREMENT LOCATION Connect the DC voltmeter to the check point SEN Displayed frequency RS ch 145 100 MHz Connect the SSG to the antenna connector and set as Level 0 4 115 dBm 1kHz 3 5 kHz Modulation Deviation Receiving Displayed frequency RS ch 435 100 MHz Set the SSG as Level 0 5 113 dBm Receiving Displayed frequency RS ch 230 100 MHz Set the SSG as Level 0 5 IV 113 dBm Receiving Displayed frequency RS ch 851 100 MHz Set the SSG as Level 0 5 IV 113 dBm Receiving Displayed frequency RS ch 1280 100 MHz Set the SSG Level 11 IV 107 Receiving This output level of the standard signal generator SSG is indicated as SSG s open circuit ADJUSTMENT Maximum DC voltage LOGIC DIAL Push and hold the CALL key e Verify that S Meter shows S4 3dots 5 4 TRANSMITTER ADJUSTMENT The following adjustment must be performed on the normal mode ADJUSTMENT FM DEVIATION VHF ADJUSTMENT CONDITION Displayed frequency 145 000 MHz EUR
38. ER S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC DESCRIPTION RF UNIT ERJ2GEJ 102 X 1 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 102 X 1 ERJ2GEJ 151 X 150 Q ERJ2GEJ 272 X 2 7 KQ ERJ2GEJ 102 X 1 kQ ERJ2GEJ 272 X 2 7 ERJ2GEJ 221 X 220 Q ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 121 X 120 Q ERJ2GEJ 471 X 470 ERJ2GEJ 823 X 82 ERJ2GEJ 221 X 220 ERJ2GEJ 153 X 15 kQ ERJ2GEJ 103 X 10 MC ERJ2GEJ 103 X 10 MC ERJ2GEJ 104 X 100 kQ ERJ2GEJ 102 X 1 ERJ2GEJ 153 X 15 kQ ERJ2GEJ 150 X 15 Q ERJ2GEJ 102 X 1 kQ ERJ2GEJ 102 X 1 kQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 102 X 1 kQ ERJ2GEJ 102 X 1 kQ ERJ2GEJ 221 X 220 Q ERJ2GEJ 151 X 150 Q ERJ2GEJ 221 X 220 0 ERJ2GEJ 563 X 56 MC ERJ2GEJ 123 X 12 ERJ2GEJ 562 X 5 6 kQ ERJ2GEJ 103 X 10 MC ERJ2GEJ 221 X 220 0 ERJ2GEJ 103 X 10 ERJ2GEJ 103 X 10 MC ERJ2GEJ 103 X 10 ERJ2GEJ 101 X 100 Q ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 152 X 1 5 kQ ERJ2GEJ 330 X 33 C ERJ2GEJ 153 X 15 EVM 1XSX50 804 473 Q ERJ2GEJ 223 X 22 kQ EVM 1XSX50 804 473
39. ERJ2GEJ 103 X 10 MC ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 473 X 47 kQ ERJ2GEJ 473 X 47 ERJ2GEJ 223 X 22 MC ERJ2GEJ 105 X 1 MQ ERJ2GEJ 474 X 470 kQ ERJ2GEJ 152 X 1 5 ERJ2GEJ 102 X 1 RF UNIT REF ORDE NO NO DESCRIPTION R34 7030005120 R35 7030007340 R36 7030005290 R37 7030005030 R38 7030004980 R39 7030005090 R40 7030005090 R41 17030004980 R42 7030004980 R43 7030004980 R46 7030007340 R49 7030005050 R50 7030005050 R54 7030005220 R55 7030007300 R56 7030005000 R57 7030005050 R58 7030005050 R59 7030005030 R60 7030005090 R61 7030005230 R62 7030005570 R64 7030005120 R65 7030009290 R66 7030005220 R67 7030005050 R68 7030005240 R69 7030005050 R70 7030007270 R72 7030005590 R73 7030007280 R74 7030004970 7030008290 7030007290 7030007280 7030005040 7030007290 7030005050 7030005590 7030007280 7030008290 7030007290 7030007280 7030005040 7030007290 70300057 10 7030007290 7030007290 7030005050 7030008010 7030005240 7030007290 7030005050 7030005040 7030005590 7030007340 7030007290 7030008010 7030007290 7030004970 7030005100 7030005040 7030007280 7030005240 7030005710 7030005040 7030005120 7030005010 7030005050 7030005120 7030005120 7030005220 7030005220 7030005040 7030005050 7030005040 7030004990 7030005070 7030005040 7030007290 7030005110 7030005120 S RESISTOR S RESISTOR S RESISTOR
40. ERJ2GEJ 330 X 33 C ERJ2GEJ 470 X 47 ERJ2GEJ 270 X 27 ERJ2GEJ 122X 1 2 kQ ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 100 X 10 0 ERJ2GEJ 100 X 10 9 ERJ2GEJ 104 X 100 ECUE1H390JCQ C1608 JB 1A 224K T N ECUE1H100CCQ ECUE1H1R5BCQ ECUE1E471KBQ ECUE1E102KBQ ECUE1H270JCQ ECUE1H2R5BCQ ECUE1H1R5BCQ ECUE1H270JCQ ECUE1H470JCQ ECUE1H270JCQ ECUE1E102KBQ ECUE1H010BCQ ECUE1E102KBQ C1005 JB 1C 103K T A ECUE1H120JCQ ECUE1H330JCQ ECUE1H030BCQ ECUE1H070CCQ ECUE1H050BCQ ECUE1H070CCQ ECUE1E102KBQ ECUE1E471KBQ ECUE1E102KBQ DESCRIPTION 4030013850 4030013850 4030013850 4030013850 4030013850 4030014220 4030014340 4550006910 4030013850 4030014180 4030013850 4550006200 4030013850 4030014240 4030009820 4030013970 4030014120 4030013850 4030009820 4030006900 4550003220 4030011600 4030011810 4030011810 4030013850 4030014120 4030014120 4030013850 4030013850 4030014140 4030013850 4030014080 4030013850 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC
41. FIER CIRCUITS RF UNIT The amplifier circuit amplifies the VCO oscillating signal to the output power level VHF PA The signal from the buffer amplifiers IC4 Q40 is passed through the Tx Rx switch 023 and is amplified at the driver amplifiers 023 013 and the power amplifiers 09 012 to obtain 350 mW of RF power The amplified signal is passed through the antenna switching circuit D16 and low pass filter and is then applied to the antenna connector UHF PA The amplified signal from IC4 Q40 passes through the Tx Rx switch D28 and is amplified to 300 mW of RF power at the driver amplifiers Q22 Q21 and the power amplifiers Q17 Q20 The signal is applied to the antenna connector via the anten na switching circuit D40 4 3 PLL CIRCUITS 4 3 1 PLL CIRCUIT RF UNIT A PLL circuit provides stable oscillation of the transmit fre quency and the receive 1st 2nd LO frequencies The PLL cir cuit compares the phase of the divided VCO frequency to the reference frequency The PLL output frequency is controlled by the divided ratio N data of a programmable divider An oscillated signal from the 1st VCO via the buffer amplifiers IC4 043 is applied to the PLL IC pin 19 and is prescaled in the PLL IC based on the divided ratio N data The reference signal is generated at the reference oscillator X1 and is also applied to the PLL IC pin 16 The PLL IC detects the out of step phase using the refer
42. ING THE ADJUSTMENT MODE D Connect a PC with an OPC 478 and OPC 782 to the SP MIC jack 2 Boot up DOS 3 Type the following to start up the adjustment program A gt CLONE Enter Main Menu appears at the top side of the cloning pro gram select the sub menu Edit Adjust Memory ch then input adjustment frequency at right Select Write transceiv of the Cloning on the Main Menu Application writes adjustment frequency data to the connected transceiver 5 Disconnect the cloning cable then start the adjust ments OPERATING ON THE ADJUSTMENT MODE Change the value DIAL BAND BAND Change the channel UP Change the channel DOWN M EXITING THE ADJUSTMENT MODE 50 DC or better 300 3000 Hz 1 500 mV 0 1 300 MHz 0 1 uV 32 mV 7127 to 17 dBm DC 20 MHz 0 01 20 V 10 mV 10 V 30 or 40 dB DC voltmeter Input impedance Frequency range Measuring range Audio generator Frequency range Standard signal Output level generator SSG Oscilloscope Frequency fange Measuring range AC millivoltmeter Measuring range Attenuator Power attenuation ADJUSTMENT FREQUENCY MHz Channel No 20 11 439 800 145 000 146 000 1 2 435 000 18 145 000 Frequency Display ch N F C R R 146 000 0 A tk tk S S RS RS RS 14 435 000 445 000 15 145 100
43. IODE S DIODE S DIODE S XTAL S COIL DESCRIPTION HD74LVOOTELL X25650 2 5 XC62FP3002MR S 81332HG KC T1 S 80725SL AN T1 NJM2904V TE1 XC6371A351PR LOGIC UNIT M38267M8L 209 GP M5222FP 600C 1056 TP1 25604081 T107 5 XP5601 TX AB EUR ITA only 2SA1588 GR TE85R 2 1588 TE85R XP1113 TX 28A1588 GR TE85R XP6501 TX AB DTA144EE TL XP6501 TX AB XP4214 TX XP6501 TX AB DTC114EE TL 25 144 TE85R DTA144EE TL DTC144EE TL XP6501 TX AB 2SA1588 GR TE85R 2SA1588 GR TE85R 28 4081 T107 S XP1401 TX AB XP6501 TX AB 25 4081 T107 S 28A1588 GR TE85R 2SA1588 GR TE85R 28C4081 T107 S 2SJ144 Y TE85R XP5601 TX AB XP6501 TX AB 2SA1588 GR TE85R 28C4617 TLS MA2S111 TX MA8068 M TX 199372 TE85R MA729 TX 155372 TE85R 25111 MA2S111 TX MA2S111 TX MA2S111 TX 25111 25111 25111 MA2S111 TX MA2S111 TX 188372 TE85R MA132WK TX MA2S111 TX TWN only except EUR TWN SEA only except ITA TWN except ITA SEA except ITA SEA TWN only USA only CR 613 4 935 MHz CD54 101KC 7030005090 7030005710 7030005310 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR
44. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION LOCATION UNIT ADJUST Displayed frequency Connect the 1 5 2 5 145 000 MHz voltmeter to the L68 Transmitting Displayed frequency less than 7 2 V 449 980 MHz Receiving Displayed frequency 19V 2 9V 493 300 MHz Receiving Displayed frequency less than 11 0 V 282 900 MHz Receiving Displayed frequency 1 8 2 8 283 000 MHz Receiving Displayed frequency less than 9 2 V 493 295 MHz Receiving Displayed frequency voltmeter to 0 2 12V 430 000 MHz Receiving Displayed frequency less than 2 5 V 433 500 MHz Receiving Displayed frequency Top frequency counter 439 8000 MHz DIAL FR ch 439 800 MHz Pannel to the antenna con Transmitting Displayed frequency voltmeter to the tk ch 145 600 MHz check point QUAD Connect an SSG to the antenna connector and set as Level 1 47dBm Deviation 3 5 kHz Modulation 1 kHz Receiving This output level of the standard signal generator SSG is indicated as SSG s open circuit L21 Detector output voltage adjustment SEN VHF and UHF sensitivity check point L68 QUAD T lock h Detector output voltage check point i 2nd VCO lock voltage check point A 5 3 RECEIVER ADJUSTMENT ADJUSTM
45. Outputs control signal for the 1st VCO circuit SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION Some adjustments must be adjusted on the adjustment mode after programmed adjustment frequency data into transceiver s memory channel When you program adjustment frequency data into memory channel an adjustment program optional OPC 782 PLUG ADAPTOR CABLE and OPC 478 are requird NOTE OPC 478 is a modified optional OPC 478 CLONING CABLE see illustration at CLONING CABLE MODIFICATION on page 5 2 REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE 3 0 V DC or more Output voltage DC power supply Current capacity Measuring range 1W Frequency range 100 600 MHz Impedance 50 Q SWR Less than 1 2 1 Frequency range 0 1 600 MHz Frequency accuracy 1 ppm or better Sensitivity 100 mV or better 30 600 MHz 0 to 10 kHz RF power meter terminated type Frequency counter Frequency range FM deviation meter Measuring range ADJUSTMENT FREQUENCY DATA When program the adjustment frequency data at right into memory channel back up the original memory data using the adjustment program OPC 478 and OPC 782 and re pro gram it after adjustment CAUTION When program the adjustment frequency data into the transceiver the transceiver s memory channel wiil be overwritten the data and deleted original memory data at the same time ENTER
46. Q ERJ2GEJ 823 X 82 kQ ERJ2GEJ 124 X 120 kQ ERJ2GEJ 334 X 330 ERJ2GEJ 124 X 120 kQ ERJ2GEJ 124 X 120 ERJ2GEJ 153 X 15 MC ERJ2GEJ 563 X 56 kQ ERJ2GEJ 124 X 120 kQ ERJ2GEJ 332 X 3 3 ERJ2GEJ 332 X 3 3 ERJ2GEJ 331 X 330 ERJ2GEJ 222 X 2 2 ERJ2GEJ 102 X 1 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 472 X 4 7 ERJ2GEJ 823 X 82 kQ ERJ2GEJ 563 X 56 ERJ2GEJ 562 X 5 6 ERJ2GEJ 471 X 470 Q ERJ2GEJ 154 X 150 kQ ERJ2GEJ 333 X 33 ERJ2GEJ 473 X 47 ERJ2GEJ 823 X 82 ERJ2GEJ 104 X 100 ERJ2GEJ 104 X 100 kQ ERJ2GEJ 104 X 100 ERJ2GEJ 473 X 47 kQ ERJ2GEJ 564 X 560 KQ ERJ2GEJ 103 X 10 kQ ERJ2GEJ 104 X 100 ERJ2GEJ 224 X 220 kQ ERJ2GEJ 105 X 1 MQ ERJ2GEJ 104 X 100 kQ ERJ2GEJ 105 X 1 MQ ERJ2GEJ 474 X 470 kQ ERJ2GEJ 474 X 470 ERJ2GEJ 224 X 220 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 471 X 470 Q ERJ2GEJ 333 X 33 EUR ITA 0 IV ERJ2GEJ 103 X 10 MC ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 104 X 100 ERJ2GEJ 104 X 100 ERJ2GE 391 X 390 Q ERJ2GEJ 105 X 1 MQ ERJ2GEJ 105 X 1 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR 7030005060 S RESISTOR 7030005080 S RESISTOR 7030005040 S RESISTOR 7030005240 S RESISTOR 7030005170 S RESISTOR 7030007340 S RESISTOR 7030008300 S RESISTOR ERJ2GEJ 333 X 33 ERJ2GEJ 823 X 82 kQ 7030005040 ERJ2G
47. RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR LQN21A 39NJ04 ACB1608M 600 T ELJRE 56NG F ELJRE 82NG F ELJRE R10G F LQN21A 68NJ04 MLF1608D R82K T MLF1608D R82K T LQN21A 18NJ04 MLF1608D R82K T 0 30 0 9 3TR 7 5N ACB1608M 600 T ELJRE 5N6Z F ELJRE 27NG F 0 30 0 9 3TR 7 5N LQN21A 39NJ04 ELJRE 5N6Z F ELJRE R10G F ELJRE 3N9Z F ELJRE 1N8Z F ELJRE 1N8Z F LQN21A 10NJ04 MLF1608D R15K T ELJRE 22NG F ELJRE 15NG F ELJRE 22NG F ELJRE 15NG F ELJRE 12NG F ELJRE 10NG F ELJRE 6N8Z F 0 35 1 6 7TL 44N 0 30 1 7 8TL 60N 0 30 1 7 8TL 60N LQN21A 6N8D04 LQN21A 6N8D04 0 30 0 9 4TR 10 5N 0 30 0 9 3TR 7 5N ELJRE 15NG F 0 30 1 7 8TL 60N ACB1608M 600 T ELJRE 22NG F LQN21A R10J04 LQN21A R15J04 MLF1608A 1R2K T ELJRE 39NG F ELJRE 22NG F ELJRE 3N9Z F ELJRE 8N2Z F ELJRE 27NG F ELJRE 22NG F ELJRE 5 62 ERJ2GEJ 331 X 330 Q ERJ2GEJ 122 X 1 2 kQ ERJ2GEJ 682 X 6 8 kQ ERJ2GEJ 121 X 120 ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 153 X 15 kQ ERJ2GEJ 682 X 6 8 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 473 X 47 ERJ2GEJ 151 X 150 Q ERJ2GEJ 153 X 15 kQ ERJ2GEJ 682 X 6 8 ERJ2GEJ 473 X 47 ERJ2GEJ 473 X 47 kQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 121 X 120 Q ERJ2GEJ 472 X 4 7 kQ
48. RJ2GEJ 562 X 5 6 ERJ2GEJ 223 X 22 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 473 X 47 ERJ2GEJ 103 X 10 ERJ2GEJ 151 X 150 ERJ2GEJ 680 X 68 Q ERJ2GEJ 331 X 330 C ERJ2GEJ 470 X 47 Q ERJ2GEJ 183 X 18 ERJ2GEJ 222 X 2 2 ERJ2GEJ 331 X 330 ERJ2GEJ 472 X 4 7 ERJ2GEJ 222 X 2 2 ERJ2GEJ 103 X 10 ERJ2GEJ 680 X 68 0 ERJ2GEJ 331 X 330 Q ERJ2GEJ 183 X 18 ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 331 X 330 Q ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 222 X 2 2 ERJ2GEJ 121 X 120 Q ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 123X 12 ERJ2GEJ 473 X 47 ERJ2GEJ 222 X 2 2 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 472 X 4 7 ERJ2GEJ 680 X 68 ERJ2GEJ 153 X 15 kQ ERJ2GEJ 222 X 2 2 ERJ2GEJ 123X 12 ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 470 X 47 Q ERJ2GEJ 154 X 150 ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 331 X 330 2 ERJ2GEJ 473 X 47 ERJ2GEJ 121 X 120 Q ERJ2GEJ 472 X 47 ERJ2GEJ 102 X 1 ERJ2GEJ 681 X 680 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 102 X 1 ERJ2GEJ 102 X 1 kQ ERJ2GEJ 223 X 22 ERJ2GEJ 223 X 22 kQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 221 X 220 ERJ2GEJ 683 X 68 ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 222 X 2 2 ERJ2GEJ 224 X 220 ERJ2GEJ 102 X 1 mount RF UNIT 7030005120 7030005050 70300
49. S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR 7030005060 S RESISTOR 7030005240 S RESISTOR 7030005080 S RESISTOR 7030005090 S RESISTOR 7030005090 S RESISTOR 7030005090 S RESISTOR 7030005240 S RESISTOR 7030008310 S RESISTOR 7030005050 S RESISTOR 7030005090 S RESISTOR 7030005110 S RESISTOR 7030005160 S RESISTOR 7030005090 S RESISTOR 7030005160 S RESISTOR 7030005170 S RESISTOR 7030005170 S RESISTOR 7030005110 S RESISTOR S RESISTOR S RESISTOR S RESISTOR 7030005310 7030005310 7030007340 7030005100 7030005060 7030005050 S RESISTOR 7030005040 S RESISTOR 7030005090 S RESISTOR 7030005090 S RESISTOR 7030009280 S RESISTOR 7030005160 S RESISTOR 7030005160 S RESISTOR DESCRIPTION ERJ2GEJ 104 X 100 ERJ2GEJ 121 X 120 9 ERJ2GEJ 124 X 120 2 ERJ2GEJ 272 X 2 7 ERJ2GEJ 154 X 150 ERJ2GEJ 223 X 22 kQ ERJ2GEJ 224 X 220 ERJ2GEJ 153 X 15 ERJ2GEJ 153 X 15 ERJ2GEJ 104 X 100 kQ ERJ2GEJ 153 X 15 kQ ERJ2GEJ 563 X 56 ERJ2GEJ 473 X 47 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 471 X 470 0 ERJ2GEJ 105 X 1 ERJ2GEJ 474 X 470 kQ ERJ2GEJ 823 X 82 kQ ERJ2GEJ 823 X 82 k
50. S SWITCH S CONNECTOR CONNECTOR S JUMPER S JUMPER S JUMPER CABLE MICROPHONE PCB LCD CONTACT TUBE TUBE DESCRIPTION JPM1990 2013R TP90NOOE20 16F 1995 JPM1990 2013R AXK5S40340P HSJ1594 010050 ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V FX1995 J lead set 1 LO except EUR ITA USA EM 140 B 5012J SRCN 1995 SP N W 1 IRRAX 0 7 d L 10mm IRRAX 0 7 d L 15mm DESCRIPTION RF UNIT 1110004020 1110003200 1130007610 1110003470 1110004020 1130006890 1590001190 1560000540 1590001660 1590001190 1530003580 1530003610 1530000371 1530000371 1530000371 1530000371 1530000371 1530003610 1510000670 1590001400 1530000371 1530000371 1530000371 1530000371 1530000371 1530003590 1530003580 1530003590 1510000670 1530003590 1590001160 1530003260 1590001940 1530003260 1530003610 1530003610 1590001810 1590002650 1530003580 1530003630 1530003580 1590002430 1530003630 1530003580 1590001660 1530003010 1590001660 1590001690 1590002430 S C S IC S C S IC S IC S IC S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S
51. S077 TX 25077 1SV286 TPH3 MA2S077 TX ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 MA2S111 TX 1SV286 TPH3 MA132WK TX MA132WK TX MA728 TX MA2S077 TX 25077 MA2S077 TX MA2S077 TX MA2S077 TX 25077 25077 25077 EFCH266MKQP1 CFWM450E FL 293 19 650 MHz CR 593 19 200 MHz LQN21A 47NJO4 0 30 1 4 6TL 32N 0 30 1 3 5TL 22N 0 45 1 5 5TL 23 2N 0 45 1 4 4TL 15N ELJRE 22NG F ELJRE 5N6Z F ELJRE 33NG F ELJRE 22NG F ELJRE 3N9Z F ELJRE 10NG F ELJRE 4N7Z F LON21A 56NJ04 ELJRE 39NG F MLF1608A 3R3K T MLF1608D R82K T 0 45 1 5 5TL 23 2N ELJRE 47NG F LS 510 S Surface mount RF UNIT DESCRIPTION 6910011690 6200005630 6200005710 6200008490 6200007730 6200005700 6200005610 6200005650 6200005710 6200005700 6200005630 7030007280 7030005040 7030005050 7030007290 7030005050 7030005240 7030005240 7030005220 7030005160 7030005170 7030005030 7030005120 S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S
52. TOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC ERJ2GEJ 184 X 180 KQ ERJ2GEJ 474 X 470 kQ ERJ2GEJ 184 X 180 KQ ERJ2GEJ 124 X 120 ERJ2GEJ 103 X 10 ERJ2GEJ 153 X 15 ERJ2GEJ 183 X 18 ERJ2GEJ 183 X 18 KQ ERJ2GEJ 100 X 10 Q ERJ2GEJ 473 X 47 ERJ2GEJ 153 X 15 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 184 X 180 KQ ERJ2GEJ 223 X 22 kQ ERJ2GEJ 473 X 47 ERJ2GEJ 562 X 5 6 kQ ERJ2GEJ 184 X 180 KQ ERJ2GEJ 184 X 180 KQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 223 X 22 kQ ERJ2GEJ 332 X 3 3 ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 821 X 820 Q ERJ2GEJ 473 X 47 kQ ERJ2GEJ 333 X 33 kQ ERJ2GEJ 124 X 120 ERJ2GEJ 333 X 33 kQ ERJ2GEJ 822 X 8 2 ERJ2GEJ 103 X 10 kQ ERJ2GEJ 103 X 10 ERJ
53. als The 19 65 MHz 2nd IF signal from the buffer amplifier Q5 is applied to the 3rd mixer section of the FM IF IC IC2 pin 16 and is then mixed with the 3rd LO signal for conversion into a 450 kHz 3rd IF signal IC2 contains the 3rd mixer limiter amplifier quadrature detector and S meter detector etc A frequency from the PLL reference oscillator is used for the 3rd LO signal 19 20 MHz 1 FM mode The 3rd IF signal is output from FM IF IC IC2 pin 3 and passes through the ceramic bandpass filter F12 The filtered signal is fed back and amplified at the limiter amplifier section pin 5 then demodulated into AF signals at the quadrature detector section pins 10 11 and detector coil L21 The demodulated AF signals are output from pin 9 and are applied to the AF circuit LOGIC unit 2 WFM mode The 3rd IF signal from the 3rd mixer bypasses the ceramic fil ter Fl2 and fed back to the limiter amplifier section pin 5 2nd IF AND DEMODULATOR CIRCUITS R56 AF signal WFMS 7095 The amplified signal is demodulated at the quadrature detec tor section pins 10 11 and detector coil L21 The AF sig nals are output from pin 9 and are applied to the AF circuit LOGIC unit By connecting R55 to R54 in parallel the output characteris tics of pin 12 RSSI change gradually Therefore the FM IF IC can detect WFM components 3 AM mode The filtered 3rd IF signal from the bandpass filter Fl2 is a
54. ctor Screw PH BO 1 7X4NI ZU BT 1995 LOGIC Shield 8930044290 8930046400 8210015420 8810009790 8510011830 RF UNIT REF NO ODER NO DESCRIPTION J1 6510020550 S Connector AXK6S40445P Screw abbreviations A BO BT Self tapping PH Pan head FH Flat head BiH Bind head NI Nickel SUS Stainless ZK Black ACCESSORIES ODER NO 3030000420 3310002150 0800005090 8930044191 8010011960 DESCRIPTION 860 7 AAUR SAFT Antenna FA S270C BC 127A ACC Clip 1995 Belt Clip 1 Hand strap USA USA 1 only 2 USA USA 1 only MP5 C MP22 C MP4 L 1 L MP14 C MP6 C 8 27 MP1 C MP7 C UNIT abbreviation CHASSIS PARTS RF UNIT L LOGIC UNIT MP3 C MP15 C MP5 MP2 C MP22 C 4 L MP23 C 2 28 7 MP4 C Pa pent LOGIC unit a Pd SECTION 8 SEMI CONDUCTOR INFORMATION TRANSISTOR AND FET S 28A1588 GR Symbol ZG 25 3356 R25 Symbol R25 B 25 5006 Symbol 24 28C5231 C8 Symbol C8 B DTA144EE Symbol 16 XP1113 Symbol 7L B1 E B2 XP5601 AB Symbol 4N E1 B1 B2 DIODES 188372 Symbol N9 MA2S077 Symbol S DTC144EE Symbol 26 B XP1214 Symbol 9H BI E B XP6501 AB Symbol 5N E1 E2 B2 1SV286 Symbol T7 MA2S111 Symbol A
55. ctor through an attenuator R212 DIAL L L L L 1 r 1 R212 UHF FM Deviation adjustment R214 VHF FM Deviation adjustment 5 6 SECTION 6 PARTS LIST LOGIC UNIT 1110004790 1140007470 1110004520 1190000710 1530002280 1590001210 1510000670 1510000670 1590001810 1510000670 1590001190 1590002430 1590001190 1590002700 1590001190 1590002310 1590001390 1590002430 1590001940 1590001190 1510000670 1510000670 1530002280 1590001160 1590001190 1530002280 1510000670 1510000670 1530002280 1590001390 1590001210 1590001190 1510000670 1530003630 1790001250 1790001170 1790001560 1790000970 1790001560 1790001250 1790001250 1790001250 1790001250 1790001250 1790001250 1790001250 1790001250 1790001250 1790001560 1790000850 1790001250 6050010310 6200008630 SC S C SIC S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S DIODE S ZENER S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S D
56. ence frequency and outputs it from pin 13 The output signal is passed through the loop filter Q2 Q45 and is then applied to the VCO circuit as the lock voltage 4 3 2 1ST VCO CIRCUIT RF UNIT The 1st VCO circuit contains a separate V VCO Q32 D45 and U VCO Q28 Q30 D54 The oscillated signal is ampli fied at the buffer amplifiers IC4 Q40 and is then applied to the Tx Rx switching circuit D23 D28 042 043 D44 Then the Tx and Rx signals are applied to the pre driver Q23 for VHF Q22 for UHF and 1st mixer IC1 respectively A portion of the RF signal from buffer amplifier IC4 is ampli fied at the buffer amplifier Q43 and is then fed back to the PLL IC IC3 pin 19 as the comparison signal 4 3 3 2ND LO VCO CIRCUIT RF UNIT The 2nd LO VCO circuit generates the 2nd LO frequencies and the signals are applied to the 2nd mixer circuit The generated signals from the 2nd VCO Q6 D17 are applied to the 2nd mixer IC10 pin 3 then mixed with the 1st IF signal An oscillated signal from the 2nd VCO passes through the low pass filter C154 C250 C252 L69 and is applied to the PLL IC IC3 pin 2 and is then output from pin 8 e 2nd LO VCO circuit 037 053 Ripple filter to the 2nd mixer IC10 PLL circuit Loop Q2 045 filter 4 4 POWER SUPPLY CIRCUITS VOLTAGE LINE LINE DESCRIPTION The voltage from the attached battery Common 13 V c
57. mplified at the 3rd IF amplifier Q1 The amplified IF signal is applied to the AM detector circuit Q4 to convert into AF signals and the signals are applied to the AF circuit LOGIC unit 4 1 9 AF AMPLIFIER CIRCUIT LOGIC UNIT The AF amplifier circuit amplifies the demodulated AF sig nals to drive a speaker While in FM mode AF signals from the demodulator circuit RF unit are passed through the de emphasis R118 C66 C68 and bandpass filter Q30 and are then applied to the pre amplifier Q31 While in AM mode AF signals are pass through the band pass filter Q30 and are then applied to the pre amplifier Q31 While in WFM mode AF signals are applied to the pre ampli fier Q31 directly The pre amplified AF signals pass through the AF mute switch Q37 and are then applied to the electronic volume control circuit IC14 pin 6 The level controlled AF signals are output from pin 7 and are applied to the AF power ampli fier IC15 pin 1 via the buffer amplifier Q36 The power amplified AF signals are applied to the internal speaker via the EXT SP jack 3rd IF filter 50 kH 1 19 2 MHz IC2 TA31136F 2nd IF 19 65 MHz from Q5 SDET signal to the IC11 Logic unit RSSI signal to the CPU O WFM pin 7 Logic unit Q41 16242 The electronic volume control circuit controls AF gain there fore the AF output level is according to the VOL setting and also the squelch conditions 4 1
58. onverted from BATT line by the DC DC convertors IC10 and D3 D5 D15 The output voltage is applied to the PLL circuit RF unit VHF transmit 2V controlled by the 2 0 switch VHT2V e from the 2V regulator Q21 Q32 using VP the TXV signal from CPU IC11 UHF transmit 2V controlled by the 2 0 switch UHT2V 028 from the 2V regulator 021 Q32 using the TXU signal from CPU IC11 Receive controlled by the R3S regulator cir cuit Q4 using the RX signal from CPU IC11 Common 3V converted by the 3S regulator cir 43S Q3 039 using the 3 signal from CPU E 1 Common 3V controlled by the 3V regulator cir 43V Q6 using the signal from CPU E IC11 Transmit 3V controlled from 3V line by the 3V regulator circuit Q5 to transmitter circuit to 1st mixer circuit gt Programmable 9 Prescaler 13 Phase detector tothe FMIFIC 17 Programmable PSTB Shift register 15 CLK DATA divider 16 1 4 5 PORT ALLOCATIONS 4 5 1 CPU LOGIC UNIT IC11 Output control signal for the doubler circuit Outputs MIC mute control singal Input port for LOCK BAND VMC K2 switches Input port for FUNC switch and DIAL Output AF mute switch LOGIC unit Q37 control signal Low While squelched
59. s power source DO NOT force any of the variable components Turn them slowly and smoothly DO NOT short any circuits or electronic parts An insulated turning tool MUST be used for all adjustments DO NOT keep power ON for a long time when the transceiver is defective DO NOT transmit power into a signal generator or a sweep generator ALWAYS connect a 30 dB to 40 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment READ the instructions of test equipment thoroughly before connecting equipment to the transceiver oo ROLL Mo e SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 4 1 4 2 4 8 4 4 4 5 5 1 5 2 5 3 5 4 9 1 9 2 10 11 11 1 11 2 TABLE OF CONTENTS SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTIONS CIRCUIT DESCRIPTION RECEIVER CIRCUITS cee loas RR E a TRANSMITTER CIRCUITS POWER SUPPLY CIRCUITS PORT ALLOCATIONS ADJUSTMENT PROCEDURES PREPARATION ee REC I Rege PLL ADJUSTMENT A Td RECEIVER ADJUSTMENT TRANSMITTER ADJUSTMENT PARTS LIST MECHANICAL PARTS AND
60. urater IC4 S 81332HG AF filter 030 XP6501 3 Wai IC3 62 2 1 RF UNIT TOP VIEW BOTTOM VIEW end mixer IC10 uPC2757T E3 1st mixer IC1 uPC2757T E3 IF amplifier Q5 25C5231 FM IF IC IC2 1136 Tx amplifier Tx amplifier circuit circuit PLL circuit PLL IC IC3 wPD3140GS PLL reference oscillator X1 CR 583 19 200MHz SECTION 3 DISASSEMBLY INSTRUCTIONS REMOVING THE REAR PANEL REMOVING THE LOGIC UNIT D Unscrew 2 screws D Unscrew 2 screws 6 2 Remove the rear panel in the direction of the arrow 2 Unsolder 2 points CI and then remove the LOGIC unit Rear panel e REMOVING THE RF UNIT D Unscrew 1 screw 8 2 Remove 1 knob O Unscrew 2 nuts 3 Unsolder 5 points and then remove the RF unit SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT RF UNIT The RF signals from the antenna connector pass through the antenna switching circuit D3 D6 D9 The passed signals are then applied to either Duplexer or RX band switching cir cuit 4 1 2 DUPLEXER CIRCUIT RF UNIT The transceiver has a duplexer low pass and bandpass fil ters on the frist stage from the antenna switcing diode to separate the signals into VHF and UHF signals RF signals below 175 0 MHz The RF signals below 17

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