Service manual Handic 305
Contents
1. scription Stock Number 599575 599582 599589 599596 599603 599610 599617 599624 599631 599638 599099 599428 599645 599652 599659 599169 599666 599673 599680 599687 599694 599701 MFR S Parts Number GE 19C 4655 GE 18D 4453 UD 11 GE 17D 3521 GE 19D 46b7 GE 19D 4785 A GE 19D 4785 B GE 19D 4661 GE 19D 4784 GE 19D 4789 52 101 50239 5 260 SJ 296 1 15 SR 3P 4 5 6 015 19 4683 3 A SEMICONDUCTORS LEAD IDENTIFICATIONS 25 495 0 2SC371 0 2SC371 R 2SC372 Y 2SC373 2SC784 R 254699 25 1018 D 25 756 25 1364 E A B C D E e 2221 Emitter 1 Base 1 Collector 1 Emitter 1 Emitter 2 Collector 2 Collector Tab 2 Base 2 COF 3 Base 3 Emitter 3 Emitter 3 Collector 3 Base i 2 dy SCHEMATIC DIAGRAM 04 25 372 2SC372 Y 02 25C371 R7 220 01 2SC784 R 2 1 072 828 SELECTIVE CALL 4U3N3Z AL SQ e 91 L 420 NEGATIV GND ONLY 13 8V DC 20 10915 9d C24 1 0010815 ora MOL 22H Lv 9zu 9L 029 R 9L 0Zb 170 C0 999 MS 7 EMS 2 Y co 792 7 L c22 3 3 16 D4 1N60 MOL NS o NOL EZH PL MOD IND 91 Z v2. EU SERVICE MANUAL FOR handic 305 _ CITIZEN S BAND TRANSCEIVER MOBILE TYPE CHANNELS 5 WATT N U 1 Pd i 2 i bolagen Telex 2558 Telephone 031 450180 Box 156 S 42122 V Fr lunda Sweden Oo DWN OOF WN gt oa RO DD CONTENTS Page SPECIFICATIONS en ee 1 DISASSEMBLY INSTRUCTION Ne 2 CRYSTAL INSTALLATION 3 SELECTIVE COND een 3 ym GENERAL ALIGNMENT INSTRUCTIONS ee AAA LL LL 4 ALIGNMENT POSITION rtt 4 TRANSMITTER SECTION ALIGNMENT CHART nn 5 A RECEIVER SECTION ALIGNMENT CHART 6 a BLOCK DIAGRAM een een ee 7 PRINTED CIRCUIT BOARD TOP 8 PRINTED CIRCUIT BOARD BOTTOM VIEW 9 WIRING DIAGRAM asseu 10 TROUBLE SHOOTING 11 PANIEN ate O nen 12 16 SEMICONDUCTORS LEAD IDENTIFICATIONS ann WA 17 SCHEMATIC DIAGRAM une nee nn ame 18 SM E NE x n SPECIFICATIONS 26 965 27 225 MHz Adjustable to 31 MHz Frequency range Less than 0 003 96 Less than 0 005 96 Frequency tolerance Operating voltage 138 V DC 1596 13 8 V DC 10 DC power input 5 watts RF output at 13 8 V DC 3 watts 2 5 watts Modulation AM below 100 96 0 7 uV
3. o al o o o t r I 5 4 CHASSIS ANT CONNECTOR CORD CONNECTOR d 2 A m a 5 a Sn lt 5 H 5 z ZE o EO 5 Su d Ov zo ea S Ed 55 NO CRYSTAL INSTALLATION Channel 13 27 115 MHz is supplied with the unit Other channels can be operated by installing suitable crystals in the internal crystal sockets Crystal sockets are located inside the case on the printed circuit board Pull out the chassis as shown on the figure below Plug crystals into the sockets on the printed circuit board Plug Transmit TX crystals into TX sockets and Receiver RX crystals into RX sockets Do NOT interchange or mix RX and crystals Do always have a matched pair in the crystal sockets Order crystals from handic stating channel number and frequency handic is not responsible for poor operation when crystals of another manufacturer are used PULL OUT SCREWS CHANNEL TRANSMIT RECEIVE SELECTIVE CALL Selective call 6P DIN jack is provided on the back of the cabinet This jack is matched for handic S 10 and S 12 selective call units GENERAL ALIGNMENT INSTRUCTIONS Test equipment required 1 RF standard signal generator S S G 6 Oscilloscope 2 signal generator 7 Frequency counter 23 V T V M AC 8 Monitor receiver 4 V T V M DC 9 1A DC ammeter 5 RF power meter 10 80 dummy load C3 ALIGNMENT POSIT
4. 8096 mA lt 990377 990477 990491 990036 990099 990477 990372 990099 990491 990295 990519 990491 990477 990561 990554 990491 990554 990498 990043 990274 990295 990491 990533 990519 990491 990568 990477 990008 990008 990519 990008 990309 990008 990309 990043 990477 990519 990064 990477 990253 990295 990477 990365 990358 990386 990365 990477 MFR S Parts Number FCC 50 MC 70 MC 100 CEO04W1C 100 MC 70 FCC 50 MC 100 FC 70 SCP 60 MC 100 MC 70 CE04W1C4R7 CE04W1C3R3 MC 100 CE04W1C3R3 MC 135 CE04W1C470 FC 60 FC 70 MC 100 MC 70 SCP 60 MC 100 CE04W1C330 MC 70 CE04W1H010 CE04W1H010 SCP 60 CE04W1H010 FC 80 CE04W1H010 FC 80 CE04W1C470 MC 70 SCP 60 CE04W1C471 MC 70 FC 50 FC 70 MC 70 FC 100 A FC 90 c B FCC 60 FC 100 MC 70 Ceramic Ceramic Ceramic Ceramic Electrolytic Electrolytic Ceramic Ceramic Electrolytic Ceramic Ceramic Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Not used Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Ca
5. ELR 25K 471 ELR 25J 271 ELR 25J 223 ELR 25J 224 ELR 25J 101 ELR 25J 822 ELR 25J 221 ELR 25J 474 ELR 25J 102 ELR 25J 102 ELR 25J 221 ELR 25J 222 ELR 25J 273 ELR 25J 823 ELR 25J 102 ELR 25J 152 ELR 25J 472 ELR 25J 273 ELR 25J 151 ELR 25J 221 ELR 25J 471 ELR 25J 103 ELR 25J 474 ELR 25J 472 ELR 25J 103 ELR 25J 271 ELR 25J 154 ELR 25J 103 ELR 25J 124 ELR 25J 271 ELR 25J 222 ELR 25K 471 ELR 25J 103 ELR 26J 682 ELR 25J 472 ELR 25J 221 Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Not used Carbon film Carbon film Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Diode Diode Diode Diode Diode Diode Diode Diode Diode Thermistor 18 K 10 K 120 470 4 7 10K 100 82 220 56 1 5 2 2 2 2 100 18 K 33 100 82 33 330 1 8 33 silicon silicon silicon silicon silicon silicon silicon silicon silicon silicon silicon silicon germanium silicon germanium zener silicon zener silicon silicon 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 2W 1 2W 1 4
6. at 10 dB S N N 50 mW 1 5 4V at 10 dB S N N 50 mW Sensitivity 35 dB at 10 kHz 1 input 30 dB at 10 kHz 1uV input Selectivity Intermediate frequency 455 kHz with ceramic filter 45 dB at 1mV input Singnal to noise ratio 40 dB at 1mV input Squelch sensitivity Threshold Tight Less than 1uV 50 uV 3 mV 500 uV Audio output 10 distortion Max power 0 65 W 0 8 W Semiconductors 15 transistors 10 diodes and 2 thermistors Frequency control Crystal control Microphone Dynamic type with PTT switch handic 44 Controls Volume with power switch squelch and channel selector Jacks External speaker selective call and antenna S0 239 DC powt cable length More than 3 feet with in line fuse Speaker 809 57 mm Dynamic type Size 42 H x 116 W x 166 D mm DISASSEMBLY INSTALLATION Removal of the cabinet 1 Remove the car mounting bracket screws A one from each side of the unit and remove the Mounting Bracket as shown 2 Remove two screws B and pull out the chassis as shown VR KNOB SQ KNOB 5 MICROPHONE INDICATOR LAMP FRONT PANEL SQUELCH CONT VOLUME CONT 5 s cc o wi 3 x o us I cc E amp g x 5 o 72 a ao 6 cc E o S ui a ul o lt 5 gt x o
7. 615 O11 12 2SA699 A DEE 994 YL EE 92 AGL 198 AG L 084 99 6PM DEN LHL 912 R47 220 D9 1N34A VVENL 09 1 292 dir 199 4002 099 4 i 0 2 699 d 199 7 EX 4 100 GLO 5022 091 010 25 373 ALY BLY Q9 2SC373 Q8 2SA495 LEY Q7 25C373 Q15 25C756 06 2SC373 Q14 25 1018 10 82 09 1999 IR i vu Sg i e x E yzz u W LO 99 O9NI za 05 25C371 013 25C1364 2 1 027 LU 99915 LQ 1 O o o rr gt ET MA E52 CZ 75021000 18 SW2 PUSH TO TALK SWITCH SW3 POWER SWITCH VR2 SOUELCH CONTROL RESISTANCE VALUES IN OHMS K 1 000 CAPACITANCE VALUES IN P MMF C_ gt MARKS DC VOLTAGE MEASURED BY V T V M SW1 CHANNEL SWITCH VR1 VOLUME CONTROL REMARKS 1 2 3 4 5 6 7 8
8. ION CF1 CRYSTAL SOCKET LL AR TRANSMITTER SECTION ALIGNMENT CHART ARE 1 TX CH A position 27 115 MHz POWER 10 EQUIPMENT SUPPLY ADJUST REMARKS CONNECTION VOLTAGE Power meter 500 ammeter Oscilloscope Supply voltage to ANT Jack 13 8 volts in series with lead between modulation winding of T6 and collector of O15 to monitor receiver Max power output Peak on the power meter and dip on the ammeter to get max output at ANT Jack Power meter 50 9 to ANT Jack 1A ammeter in series with lead between modulation winding of T6 and collector of O15 If no output adjust T7 to assure output Vary supply voltage from 15 to 12 volts extremes Audio freguency generator to C28 or talk into Microphone Reset the supply voltage to 13 8 volts T7 8 Lb 6 T7 Repeat steps 2 to 4 if necessary 50 2 DUMMY LOAD handic 30b UNDER TEST 13 8 VOLTS DC POWER SUPPLY MONITOR RECEIVER OSCILLOSCOPE at both voltage Check modula tion RECEIVER SECTION ALIGNMENT CHART TEST SIGNAL m CONTROL EQUIPMENT GENERATOR ADJUST SETTING CONNECTION SETTING Volume control V T V M Freq 455 kHz T3 Max output Fully clockwise Parallel with 8 9 Mod 1 kHz 3096 T4 on voltmeter SO control dummy load Ma
9. NVH3 JJA AHD NYS 9HO nig 9795 WIRING DIAGRAM T TROUBLE SHOOTING 1 Pilot lamp does not light and set does not operate when power is on A Faulty power cord B Defective power switch SW3 Fuse blown Fuse blows when power A Defective electrolytic capacitor switch is on B Defective audio power amplifier transistor Q11 or Q12 Defective TX final transistor Q14 or Q15 Defective zener diode D7 A Defective pilot lamp or resistor R65 B Open circuit in the B Circuit Pilot lamp does not light A Faulty EXT speaker jack B Poor crystal socket contact or crystal loose in socket Pilot lamp comes on but no sound on any channel Defective zener diode D5 Weak crystal Transmitter does not operate or no modulation A Faulty P T T switch B Defective microphone cartridge C Faulty transistor 013 14 or 015 D Faulty microphone cord E Defective T6 transformer modulation winding F Defective resistor R59 61 or R67 Faulty transistor Q6 Defective transistor Q7 or Q8 B Faulty VR2 or VR3 6 Squelch control does not operate ge TY us PARTS LIST RE handic Stock Number Ceramic Not used Ceramic Ceramic Electrolytic Mylar Ceramic Ceramic Mylar Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic Electrolyti
10. W 1 4 W 1 4 W 1 4 W 1 4 W 1 2W 1 4 W 1 2W 1 4 W 1 4 W 1 4 W 1 4 W t 96 t 5 t 5 5 96 t 5 t 5 t b 96 5 5 175 5 t 10 10 t5 t 5 5 5 t 5 10 5 10 t 5 5 t 596 t 5 handic Stock Number 951743 951701 951883 951477 951645 951701 951869 951351 951421 951323 951561 954102 954172 951589 951365 951743 951281 951365 951533 951351 951533 951281 951449 951071 951281 992108 992045 992059 992045 992066 992010 992066 992017 992129 992122 992094 992150 992143 992164 992143 992199 992171 992185 992136 992171 992262 MFR S Parts Number ELR 25J 183 ELR 25J 103 ELR 25J 124 ELR 25J 471 ELR 25J 472 ELR 25J 103 ELR 25J 104 ELR 25J 820 ELR 25J 221 ELR 25J 560 ELR 25J 152 ELR 25K 2R2 ELR 25K 080 ELR 25J 222 ELR 25J 101 ELR 25J 183 ELR 25J 330 ELR 25J 101 ELR 25K 102 ELR 25J 820 ELR 25K 102 ELR 25J 330 ELR 25J 331 ELR 25J 1R8 ELR 25J 330 SEMICONDUCTORS 2SC784 R 2SC371 R 25 372 2SC371 R 250373 2SA495 O 256373 25 699 25 1364 25 1018 25 756 151555 1 60 80 1 60 EQA01 07 S 51801 02 01 33 1N34A SIB01 02 M 30 pues _ handic MFR S Stock Number COILS TRANSFORMERS FILTERS coil 995101 113CN 2544 RF coil 995045 1624 IF coil 995052 7551 089 IF coil 995059 4202 Input transformer 995381 E6228 Output transformer 995395 E5950 OSC coi
11. c Ceramic Electrolytic Not used Ceramic Electrolytic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Electrolytic Not used Electrolytic Ceramic Electrolytic Ceramic Electrolytic Ceramic Electrolytic Ceramic Ceramic Electrolytic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic 10 pF 0 01 uF 0 04 uF 0 01 uF 0 01 uF 5 pF 0 01 uF 0 04 uF 100 pF 0 001 uF 0 04 uF 0 01 uF 4 7 uF 3 3 uF 0 04 uF 3 3 uF 0 1 uF 47 uF 47 pF _ 100 pF 0 04 uF 0 01 uF 0 001 uF 0 04 uF 33 uF 0 01 uF 1uF 1uF 0 001 uF 150 pF 1 UF 150 pF 47 uF 0 01 uF 0 001 uF 470 uF 0 01 uF 22 pF 100 pF 0 01 uF 500 pF 350 pF 15 pF 500 pF 0 01 uF CAPACITORS 16 WV 16 WV 50 WV 50 WV 50 WV 50 WV 16 WV 0 5 pF 20 80 20 80 10 5096 20 20 80 96 0 25 pF 20 96 20 80 10 t 10 20 80 20 80 10 50 10 75 96 20 80 96 10 75 96 20 8096 10 50 96 10 96 10 96 20 80 96 20 8096 t 10 20 8096 10 50 10 80 10 75 10 75 96 t 10 96 20 75 96 t 20 96 10 75 96 20 96 10 50 20 80 t 1096 10 5096 20 80 5 10 20 80 96 10 20 5 10 20
12. l 995122 8SNC 055 Drive coil 995115 8SND 061 RF choke coil 995129 LF1 2R2K RF choke coil 995136 LF1 471K RF choke coil 995073 ALNC 029 RF choke coil 995220 ALNC 054 NET coil 995080 85 057 T NET coil 995031 10PNP 028 Choke coil 995143 6LNC 053 Ceramic filter 995318 LF A6 Ceramic filter EF A8 VOLUMES VR1 Volume 50 A 984046 VM11A 5M1111 VR2 Squelch 5 984025 VM10A 5KC VR3 Potentiometer 10 K 984018 P6S2A SWITCHES SW1 a b CH switch 994018 SL 223B4 SW2 P T T switch 994025 2P 012 SW3 Power switch on the VR1 CRYSTAL RX Crystal 26 660 MHz 452294 TX Crystal 27 115 MHz 452291 Panel Escutcheon assembly Cabinet Chassis Heat sink Mounting bracket MISCELLANEOUS Mounting bracket screw Knob CH switch spacer Cabinet saran net 599505 599512 599519 599526 599533 599540 599547 599554 599561 599568 GE 19D 4651 GE 19B 4649 GE 19B 4647 GE 17D 3405 GE 19D 4653 GE 16D 3166 GE 19D 4652 GE 19D 4490 GE 19D 4662 naar ELT 1707 a tT T oe aer eeno D ub nr gem PEDI US Fang ee MIC case MIC holder MIC element MIC cord MIC knob MIC label A MIC label B MIC switch holder Rear label PCB spacer Crystal socket ANT connector DIN Jack Speaker jack Cord stopper Speaker DC cord w Fuse holder Fuse 2A P C Board Screw 1 kits Wires 1 kits Pilot lamp 7V 50 mA 190 mm e AG
13. rbon film 70 pF 270 pF 300 pF 47 pF 1uF 50 WV 33 uF 16 WV 0 02 uF 0 02 uF 1uF 50 WV 33 pF 22 pF 270 22K 220 100 8 2 220 470 IK IK 220 2 2K 27K 82 1 5 4 7 27 150 220 470 10 K 470 K 4 7K 10 K 270 150 K 10 K 120 K 270 2 2 470 10K 6 8 4 7 220 1096 20 96 20 96 10 96 10 75 10 50 96 20 8096 20 80 96 10 75 96 10 5 1 4 W 1 4 W 1 4 W 1 4 W 1 AW 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 2 W 1 4 W 1 4 W 1 4 W 1 4 W zu 1 2W 10 96 t5 t5 t5 5 5 96 t b 96 b 96 t 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 10 5 5 5 5 We handic 990288 990337 990344 990274 990008 990568 990484 990484 990008 990267 990253 954123 951435 951757 951925 951365 951687 951421 951981 951533 951533 951421 951589 951771 951855 951533 951561 951645 951771 951393 951421 951477 951701 951931 951645 951701 951435 951897 951701 951883 951435 951589 951477 951701 951673 951645 951652 MFR S Parts Number FC 70 FC 90 FC 90 FC 60 CE04W1H010 CE04W1C330 MC 75 MC 75 CE04W1H010 FC 50 FC 50
14. x counter connected to EXT clockwise SPKR Jack CH A position Signal generator 27 115 MHz through 100 pF to the base of O2 lt 25 371 V T V M Freq 27 115 MHz 1 2 Max S N and Parallel with 8 2 Mod 1 kHz max output dummy load voltmeter KJ connected to EXT SPKR Jack Signal generator to ANT Jack Volume control V T V M Freq 27 115 MHz Adjust so squelch Adjust for Parallel with 8 2 Mod 1 kHz 30 Just opens desired audio dummy load or Output 500 uV level across speaker to SO control EXT SPKR Jack Fully clockwise Signal generator to ANT Jack Note Keep the input signal from S S G as low as possible during all alignment AM RX 80 DUMMY LOAD lt oe handic 305 SSG UNDER JACK 13 8 VOLTS DC POWER OSCILLOSCOPE SUPPLY BLOCK DIAGRAM 4745 NOVr TIVO 135 LLO Vd AV CLO Vd dV 8 HOLVOIGNI GOW Vd HJAIUG JSO XH XIN ISO XL eLO un 1 1 XH za IG LO TVLX XL PRINTED CIRCUIT BOARD TOP VIEW Er PRINTED CIRCUIT BOARD BOTTOM VIEW DHO 3HIM d3d13IHS 2207 31349 90 AdS 1 3 MS L L d LHM cope a T EN y Dana TASA V 30S LHA 1172 13S 9 CHA INV BARE WIRE LHM MS 13N
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