Service manual Handic 235
Contents
1. 70 FCR 120 MC 70 MC 70 CE04W1D3R3 MC 100 FCC 120 FCC 150 FCC 80 70 FCC 50 FCC 100 FCC 80 MC 70 FC 90 60 FC 60 CE04W1H010 70 CE04W1H010 CE04W1C100 FC 80 cn D 2 handic MFR S escription Stock Number Parts Number Tantalum 22 3 15 WV 20 990169 CS15E0F220M Ceramic 150 pF 20 990309 FC 80 Mylar 0 002 uF 20 96 990092 Electrolytic 220 uF 16 WV 10 50 96 990057 CE04W1C221 Mylar 0 01 uF 20 990099 Mylar 0 1 uF 20 96 990134 Electrolytic 470 uF 16 WV 10 96 50 96 990064 CE04W1C471 Not used Mylar 0 001 uF 20 96 990085 Ceramic 0 01 uF 20 96 80 990477 MC 70 Ceramic 120 pF NPO t 10 990435 FCC 120 Ceramic 82 pF NPO 10 990421 100 Ceramic 0 01 uF 20 80 990477 MC 70 Ceramic 39 pF NPO 10 90 990400 FCC 80 Ceramic 0 01 uF 20 80 990477 MC 70 Ceramic 150 pF 20 990456 FCR 120 Ceramic 0 01 uF 20 4 8096 990477 MC 70 7 5 pF NPO 0 5 pF 990372 FCC 50 Ceramic 150 pF 20 990456 120 Ceramic 5 pF NPO 0 5 pF 990372 FCC 50 Ceramic 0 01 uF 20 80 990477 MC 70 Polystyrene 470 pF J 20 990197 Ceramic 0 01 uF 20 96 80 990477 MC 70 Polystyrene 470 pF J 20 990197 Ceramic 15 pF NPO 10 96 990386 FCC 60 Polystyrene 470 pF J t 20 96 990192. s SERVICE MANUAL FOR handic 235 CITIZEN S BAND TRANSCEIVER MOBILE TYPE 23 CHANNELS 5 WATT bolagen Telex 2558 Telephone 031 450180 Box 156 S 42122 V Frolunda Sweden CONTENTS Page 1 SPECIFICATIONS _ _ EECH 1 2 SELECTIVE 1 DISASSEMBLY INSTRUCTIONS AND DIAGRAM 2 4 GENERAL ALIGNMENT INSTRUCTIONS 3 5 ALIGNMENT POSITIONS nee 3 6 TRANSMITTER ALIGNMENT CHART M m 4 7 CRYSTAL FREQUENCY CHECK 4 8 B P F SECTION ALIGNMENT s 5 9 TRANSMITTER SECTION ALIGNMENT emen rennen 5 10 RECEIVER ALIGNMENT 6 11 RECEIVER IF SECTION ALIGNMENT mmm 6 12 RECEIVER SECTION ALIGNMENT 6 13 BLOCK DIAGRAM sss 7 14 CRYSTAL POSITION DIAGRAM mme 7 15 PRINTED CIRCUIT BOARD ____ 8 16 PRINTED CIRCUIT BOARD BOTTOM VIEW HR 9 17 WIRING DIAGRAM EE 10 18 TROUBLE SHOOTING 11 19 PARTS LISIT eer 12 20 TRANSISTORS LEAD IDENTIFICATIONS mmm 19 21 SCHEMATIC DIAGRAM 20 9 2 k H RH 4 UM SPECIFICATIONS 26 965 27 255 MHz Adjustable to 31 MHz Less than 0 003 Less than 0 005 13 8 V DC 15 13 8 V DC 10 5 watts 3 watts Below 100 50 Q unbalanced Less than 0 7 uV at 10 dB S N N 80 dB at 10 kHz 45 d
3. CONNECTOR
4. MHz BUFFER 016 TRANSMIT OSC ji E SEL CALL J3 Y 1 6 NLU S DET TACE FUSE 2A Q20 ANTENNA 019 DRIVER COUPLING d 3 NET WORK FIGURE 9 CRYSTAL POSITION DIAGRAM 223 ONLY X12 10 635 X13 10 625 X9 10 170 FIGURE 10 FIGURE 11 PRINTED CIRCUIT BOARD BOTTOM VIEW O V669vSz SLO _ CIV669V592 viO FIGURE 12 a ur i 214 LHM 7039 n gt H3 lalN 49 6 LIN CS 0 3 x Nug X VI 439 7 I3NNVHO H3MOd 11 2 13S Lid P seu EE K 318V9 3HIM WIRING DIAGRAM gt 13 FIGURE TROUBLE SHOOTING 1 Channellamp and meter lamp does Reverse connection of DC Power line Defective Power switch Fuse blown A not light and or set fails to Faulty Power cord operate when Power is ON D 2 Fuse blows when Power switch ON Defective of O14 or 015 B Defective TX final 019 or 020 C Defective C69 3 Pilot lamp lighted but no sound A Defective Speaker or defective Ext speaker on any channel Jack J1 B Defective 012 O13 014 and O15 or associated circuit components Defectiv
5. TEST FIGURE 5 FIGURE 6 RECEIVER ALIGNMENT CHART Note Alignment of Receiver Section must not be done until Transmitting Section Signal generator Ref to Setting Frequency MF1 T4 455 kHz T6 Fig 7 Peak wave form T1 the best Fig 8 point of S N alignment is completed Slow sweep generator Power switch ON Vacant Channel CH22 23 or CH22 11A Dial Setting 8 S S G Oscilloscope V T V M 8 Q dummy load Power switch ON CH10 Vol Max Frequency 27 075 MHz T2 T3 the best sensitivity Power switch ON R58 500 signal input to open SQ Frequency 27 075 MHz RECEIVER IF SECTION ALIGNMENT Connect the instrument as shown in Figure 7 ALIGNMENT WAVEFORM V 455 kHz BEST V CURVE D V OSCILLOSCOPE FIGURE 7 RECEIVER SECTION ALIGNMENT Connect the instruments as shown in Figure 8 DUMMY LOAD 89 STANDARD SIGNAL 04 06 GENERATOR handic 235 UNDER TEST OSCILLOSCOPE 2 50 Q ANT JACK FIGURE 8 BLOCK DIAGRAM MF 1 01 Q2 04 05 D4 DB RF AMP 1ST MIX 2ND MIX TENERE IF 455 kHz IF 455 kHz SQUELCH Q7 010 Q11 Q15 AF POWER 012 013 b MIC AMP 1ST AF AMP AF AMP ech Ze DYNAMIC MICROPHONE W P T T SW ag AMC D15 D16 Q17 018 27
6. 0 C37 1007 X6 37 850 gt 7 37 690 C39 27 R38 1K 2 40 C71 0 001 R80 4 7K Vi R84 68K R86 47K C76 39P C FUNCTION 41 EXTERNAL SPEAKER JACK 42 ANTENNA JACK 50 239 TYPE 43 SEL CALL JACK J4 SUPPLY CONNECTOR R35 VOLUME CONTROL WITH POWER SWITCH R57 SQUELCH CONTROL 51 53 CHANNEL SELECTOR S4 POWER SWITCH PL1 POWER CHANNEL INDICATOR PL2 METER INDICATOR Mi S RF METER C38 150P C 017 35 45 R85 470K R40 100 C42 10P C 02 25 371 0 06 07 25 371 0 8 6 8 10 180 2 m 5 X9 10 170 L lt t 52 O gt G 53 910 PAS 5 X10 10 160 Uo Locke X11 10 140 041 x M 0 001 lt 9 ke che El DYNAMIC MICROPHONE 018 25 735 R92 82 5 C78 0 01 C84 0 01 R89 2 2K C85 0 01 C86 0 01 2 RESISTANCE VALUES IN OHM 1000 M 1000K CAPACITANCE VALUES IN MF 4 RATING OR TYPE NUMBER OF COMPONENT PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT WITHOUT NOTICE 5 X7 37 690 USE FOR CHANNEL 11A ONLY 6 CRYSTAL FREQUENCIES IN MHz 7 DMARKS DC VOLTAGE MEASURED BY V T V M C SCHEMATIC DIAGRAM TP7 R106 470 C 514 C47 0 01 0 73 87 70 04 05 25 372 R14 470 C51 0 1 1 4 D8 C52 50 R51 4 7K R61 10M C56 1 50 e R47 47K R58 10K R48 1 5 Ge R4
7. 0875 950511 950455 950623 950735 950455 950343 950455 950679 950455 950651 950637 950623 950679 950959 950679 984046 950371 950875 950511 950399 950343 950595 950665 950511 950399 950427 950679 950791 954179 950847 950259 950623 950679 950511 984018 950707 984053 984018 950763 950595 950679 950721 950679 950833 950483 950637 ERD 14TJ 102 ERD 14TJ 471 ERD 14TJ 184 ERD 14TJ 273 ERD 14TJ 154 ERD 14TJ 102 ERD 14TJ 471 ERD 14TJ 472 ERD 14TJ 223 ERD 14TJ 471 ERD 14TJ 101 ERD 14TJ 471 ERD 14TJ 103 ERD 14TJ 471 ERD 14T J 682 ERD 14T J 562 ERD 14TJ 472 ERD 14TJ 103 ERD 14TJ 474 ERD 14T J 103 VM1R5M1111 ERD 14TJ 151 ERD 14TJ 154 ERD 14TJ 102 ERD 14TJ 221 ERD 14TJ 101 ERD 14TJ 332 ERD 14TJ 822 ERD 14TJ 102 ERD 14TJ 221 ERD 14TJ 331 ERD 14TJ 103 ERD 14TJ 473 ERD 14TJ 155 ERD 14TJ 104 ERD 14TJ 330 ERD 14TJ 472 ERD 14TJ 103 ERD 14TJ 102 P6S2A ERD 14TJ 153 VR10R 5KC P6S2A ERD 14TJ 333 ERD 14TJ 332 ERD 14TJ 103 ERD 14TJ 183 ERD 14TJ 103 ERD 14TJ 823 ERD 14TJ 681 ERD 14TJ 562 5 5 T handic Ref No escription Stock Number R106 Carbon film Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor R67 Carbon film R68 Carbo
8. 19C 4664 GE 19C 4665 GE 19B 4666 GE 19B 4667 GE 19D 4668 GE 17D 3405 GE 19B 4669 GE 19D 4670 GE 19D 4652 GE 19D 4671 GE 19D 4672 GE 16D 3166 GE 19D 4673 GE 19D 4674 GE 19D 4646 GE 18D 3956 GE 19D 4773 GE 19D 4774 Microphone case A Microphone case B Mic holder Model label handic label Switch Knob Element MS holder Cable 7 MM handic escription Stock Number 18 599575 599577 599582 599617 599610 599922 599603 599589 599624 599596 MFR S Parts Number GE 17D 3521 GE 19C 4655 GE 19C 4656 GE 18D 4453 GE 19D 4785B GE 19D 4785A 2P 012 GE 19D 4657 UD 11 GE 19D 4661 TRANSISTORS LEAD IDENTIFICATIONS RER 2SC784 O 2SC371 O 5 699 25 1018 25 756 2SK30A GR 3SK45 A 1 Emitter 2 Collector 3 Base B C D 222 19 o3 123 123 1 Base 1 Collector 1 Emitter 2 Collector Tap 2 Base 2 Base 3 Emitter 3 Emitter 3 Collector FIGURE 14 de 2SC372 Y 2SC373 2SC735 Y E F m m 100 III 3 1 1 1 2 Gate 2 Gate 2 3 Drain 3 Gate 1 4 Source 7502 2000 __ __ NOTES 1 Q1 25 784 0 TP1 C1 10 I1 01 151555 C5 0 01 D2 1M60 1 47005 C2 0 01 X1 37 600 R39 220 X2 37 650 R37 150K X3 37 700 X4 37 750 51 X5 37 80
9. 6 10K 1 0 001 R56 15K 857 5 C48 M 0 01 C49 250 34 R50 33 9 gt 249 100 SE R52 10K C53 1 50 C54 1 50 Q9 2SK30A GR i 2201 MEET 5 3 3 zt el O gt C89 C91 S 470P T T12 MUS c57 10 16 0 67 gt 04750 647 50 77 R22 470 R62 18 _ D8 10 HV80 D14 AW01 33 Sit 920 01 C94 50P R63 10K R25 10K C26 100P z N 29 R285 6K R27 6 8K 08 Q10 013 25 373 R66 5 6 C55 0 01 R55 15 D11 1N60 95 5 250 a R33 470K 06 c34 M 0 01 C33 3 3 25 R34 10K C35 M 0 001 H 014 015 25 699 0 ces 220 16 01004 R70 220 C67 M 0 01 aah EE 017 98 5 R99 18K B 42 ANT D16 x gt in 26 S a gt 13 219 8415 8 z 8T T8 9 X JW D15 D17 1N60 a a TH2 M30 PL2 METER IND 015 CE Rear TH3 M30 MOO R102 47 C68 10 1 mm b R78 2 7 1 R77 22 1 D18 SIB 01 02 R35 50K A C69 470 16 C101 0 02 9 0 R36 150 07 209 1EB 1 S RF METER VOLUME J1 EXT SPEAKER JACK SPEAKER 1 N 2 On 2A FUSE RED e S 12 15 BLK s o J4 SUPPLY
10. 7 Ceramic 0 01 uF 20 96 80 990477 MC 70 Ceramic 200 pF NPO t 10 990575 FCC 150 Ceramic 50 pF 10 76 990281 FC 60 Polystyrene 250 pF J 20 96 990176 Polystyrene 330 pF J 20 96 990183 Ceramic 22 pF t 5 990253 50 m Ceramic 5 pF 0 5 pF 990218 FC 50 3 Electrolytic 1 uF 50 WV 1096 75 96 990008 4 1 010 J Ceramic 0 01 uF 20 80 990477 MC 70 Mylar 0 02 uF 20 990106 Electrolytic 1 UF 50 WV 10 96 75 96 990008 4 1 010 B RESISTORS Carbon film 470 1 2 W 10 954123 ERD 12TK 471 Carbon film 270 1 4 W 5 950413 ERD 14TJ 271 Carbon film 3 3 K 1 4 W 5 950595 ERD 14TJ 332 Carbon film 220 K 1 4 W 5 950903 ERD 14TJ 224 Carbon film 100 1 4 W 5 950343 ERD 14TJ 101 Carbon film 470 1 4 W 5 950455 ERD 14TJ 471 Carbon film 27 K 1 4 W 5 950749 ERD 14TJ 273 Carbon film 470 K 1 4 W 5 950959 ERD 14TJ 474 i Carbon film 1 K 1 4 W 5 950511 ERD 14TJ 102 Carbon film 470 1 4 W t 5 950455 ERD 14TJ 471 Carbon film 10 K 1 4 W t 5 950679 ERD 14TJ 103 Carbon film 470 K 1 4 W 5 950959 ERD 14TJ 474 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 fil
11. B 1st 10 595 10 635 MHz 2nd 455 kHz 45 dB at 1 mV input Frequency range Frequency tolerance Operating voltage DC power input RF output at 13 8 V DC Modulation 2 5 watts Antenna impedance Sensitivity Less than 1 uV at 10 dB S N N 40 dB at 10 kHz 40 dB Selectivity Cross modulation Intermediate frequency Signal to noise ratio 40 dB at 1 mV input Squelch sensitivity Threshold Less than 1 uV Tight 500 50 uV 3mV Audio output 10 3 watts 2 watts distortion Semiconductors 18 transistor 2 FET 18 diodes 2 diodes and thermistors 23 channels Channels Frequency control Crystal control Frequency synthesized Controls Volume with power switch Squelch and Channel switch Jacks External speaker Selective Call and Antenna S0 239 Indicator Pilot lamps for channel indication meter P T T Accepted type Automatic noise limiter Series type Speaker 8 2 75 mm Dynamic type Size x 155 W x 190 0 mm SELECTIVE CALL Selective call 6P DIN jack is provided on the back of cabinet This jack is matched for handic S 10 and S 12 selective call units 22 1 FIGURE YOLOSNNOO GIEL N N 3513 W MN Remove the Car Mounting Bracket Screws and remove the Car Mounting Bracket Re
12. F 1 IL 50 VVV 0 04 uF 0 01 uF 150 pF 0 01 uF 0 01 uF 470 pF J 0 04 uF 2 pF 0 04 uF 0 04 uF 0 04 uF 0 04 uF 0 01 uF 100 pF 0 01 uF 0 47 uF 0 02 uF 3 3 UF 0 01 uF 0 001 uF 0 04 uF 100 pF 150 pF 27 pF 0 01 uF 50 WV 25 WV 10 pF 0 001 uF 68 pF 33 pF 0 01 0 01 WF 250 pF 0 001 uF 0 1 uF 50 pF 0 01 uF 1uF 10 uF 0 01 uF 1uF t5 20 80 1096 50 20 96 80 96 10 96 75 96 20 80 96 20 80 20 20 80 20 80 20 0 25 pF 20 20 20 20 t 10 20 96 10 96 75 96 20 96 1096 75 96 2096 2096 20 96 t 1096 1096 10 96 20 96 10 t 20 t 10 t 10 t 20 96 t 20 20 96 t 20 96 t 10 96 10 96 75 96 2096 80 96 10 96 75 96 10 96 50 96 20 96 1096 75 96 10 96 75 24 2 2 handic Stock Number 990239 990477 990036 990477 990008 990491 990477 990456 990477 990477 990197 990127 990211 990127 990491 990127 990491 990477 990295 990099 990001 990106 990603 990099 990085 990491 990428 990442 990610 990477 990377 990085 990414 990393 990477 990099 990330 990463 990099 990281 990008 990477 990008 990036 990099 990008 990008 MFR S Parts Number FC 50 MC 70 CE04W1C100 70 CE04W1H010 100
13. W01 33 Diode germanium 992143 1N60 Diode silicon 992171 SIB01 02 Diode germanium 992143 1N60 Thermistor 992213 M 10K TH2 3 Thermistor 992262 M 30 COIL TRANSFORMER FILTER ANT coil 995150 TKXN23345X RF coil 995157 23344 151 IF 995164 TKXN23346X IF coil 995171 YXE10857A1A IF coil 995178 VOC15001A IF coil 995185 YMC15002A OSC coil 995192 10PNP 091 Input transformer 995381 E6228 Output transformer 995402 E3791 Band pass filter 995199 TKXC15950N Drive coil 995206 TKXC23343N Drive coil 995115 8SND 061 995213 235712 Band pass filter Peaking coil 995220 4LNC 054 T NET coil 995227 8SNF 064 NET coil 995031 10PNP 028 995143 6LNC 053 EF A8 MFH 71T Choke coil Ceramic filter Mechanical filter 995346 SWITCHES CH Switch 11A 994004 5 21 2224 CH Switch 23 CH 994004 S 21P 2224 CRYSTALS Crystal 37 600 MHz 452298 Crystal 37 650 MHz 452305 Crystal 37 700 MHz 452312 Crystal 37 750 MHz 452319 Crystal 37 800 MHz 452326 Crystal 37 850 MHz 452323 Crystal 37 690 MHz 452340 Crystal 10 180 MHz 452347 16 Crystal 10 170 MHz Crystal 10 160 MHz Crystal 10 140 MHz Crystal 10 635 MHz Crystal 10 625 MHz Crystal 10 615 MHz Crystal 10 595 MHz MISCELLANEOUS P C Board Main P C Board Switch Ante
14. ba Toshiba Toshiba Toshiba Toshiba Toshiba Toshiba Matsushita Toshiba Hitachi Toshiba Mitsubishi SONY 55465 950679 950833 950329 950399 950525 950287 954095 950525 950287 954095 954165 954158 954123 950623 950651 950511 950455 950819 950959 950791 950287 950455 950567 950707 950063 950329 950179 950315 950357 954130 95037 1 954130 950721 950637 954116 951015 950245 950455 992101 992038 992059 992038 992066 992276 992066 992017 992038 992003 992087 992122 992094 MFR S Parts Number ERD 14TJ 103 ERD 14TJ 823 ERD 14TJ 820 ERD 14TJ 221 ERD 14TJ 122 ERD 14TJ 470 ERD 12TK 1RO ERD 14TJ 122 ERD 14TJ 470 ERD 12TK 1RO RN 1B RN 1B ERD 12TK 471 ERD 14TJ 472 ERD 14TJ 682 ERD 14TJ 102 ERD 14TJ 471 ERD 14TJ 683 ERD 14TJ 474 ERD 14TJ 473 ERD 14TJ 470 ERD 14TJ 471 ERD 14TJ 222 ERD 14TJ 153 ERD 14T J 2R2 ERD 14TJ 820 ERD 14TJ 100 ERD 14TJ 680 ERD 14TJ 121 ERD 12TK 102 ERD 14TJ 151 ERD 12TK 102 ERD 14TJ 183 ERD 14TJ 562 ERD 12TK 470 ERD 14TJ 105 ERD 14TJ 270 ERD 14TJ 471 25 784 25C371 0 25C372 Y 25 371 25 373 2SK30A GR 2SC373 25 699 25C371 0 35 45 25 735 25 1018 25 756 handic MFR S Ref N Descripti Diode silicon 992150 151555 Diode germanium 992143 1N60 Diode zener 992206 RD9 1EB Diode silicon 992164 HV 80 Diode germanium 992143 1N60 Diode silicon 992171 SIB01 02 Diode zener 992185 A
15. e or associated circuit components D Defective 07 or associated circuit components E Faulty Volume control 4 Does not receive A Defective O7 or associated circuit components Transmitter OK Faulty P T T switch 5 Reception sensitivity low A Faulty RF amplifier or Mixer circuit components B Faulty IF amplifier circuit C Faulty Mechanical filter 6 Squelch control does not operate Defective 010 or 011 B Faulty R58 or R57 7 Does not transmit Faulty P T T switch Receiver OK B Defective 016 or associated circuit components RF power low Mismatched antenna Dummy load operating OK Mismatched network Low supply voltage Defective microphone cartridge Receiver OK Faulty microphone cord Defective 08 09 or associated circuit components Defective modulator transformer No modulation LS PARTS LIST LO oa CAPACITORS Ceramic Ceramic Electrolytic Ceramic Electrolytic Ceramic Ceramic Ceramic Ceramic Not used Ceramic Polystyrene Mylar Ceramic Mylar Ceramic Mylar Ceramic Ceramic Ceramic Mylar Electrolytic Mylar Electrolytic Mylar Mylar Ceramic Ceramic Ceramic Ceramic Ceramic Not used Ceramic Mylar Ceramic Ceramic Ceramic Mylar Ceramic Ceramic Mylar Ceramic Electrolytic Ceramic Electrolytic Electrolytic Mylar Electrolytic Not used Electrolytic 10 pF 0 01 uF 10 uF 16 WV 0 01 u
16. m Carbon film Volume control 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 Potentiometer Carbon film SQUELCH control Potentiometer Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Carbon film Description 1K 1 4 W 470 1 4 W 180 K 1 4 W 27 K 1 4 W 150 K 1 4 W 1 K 1 4 W 470 1 4 W 4 7 K 1 4 W 22 K 1 4 W 470 1 4 W 100 1 4 W 470 1 4 W 10 K 1 4 W 470 1 4 W 6 8 K 1 4 W 5 6 K 1 4 W 4 7 K 1 4 W 10 K 1 4 W 470K 1 4W 10 K 1 4 W 50 K 150 1 4 W 150 K 1 4 W 1K 1 4 W 220 1 4 N 100 1 4 W 3 3 K 1 4 W 8 2 K 1 4 W 1 K 1 4 W 220 1 4 W 330 1 4 W 10 K 1 4 W 47 K 1 4 W 1 5 M 1 4 W 100 K 1 4 W 33 1 4 W 4 7 K 1 4 W 10 K 1 4 W 1 K 1 4 W 100 K 15 K 1 4 W 5K 10 K 33 K 1 4 W 3 3 K 1 4 W 10 K 1 4 W 18 K 1 4 W 10 K 1 4 W 82 K 1 4 W 680 1 4 W 1 4 W 5 6 K 5 5 t 5 96 t 5 t b 96 t b 96 t 5 96 t 5 t 5 96 t b 96 t 5 t 5 t5 5 15 359 5 5 5 5 5 5 t 5 5 5 5570 t5 5 5 96 5 t 5 t b 96 t 5 t 5 t 5 16 t5 t5 t b 96 t 5 t b 96 t b 96 t b 96 t5 t5 5 5 E WC handic MFR S Stock Number Parts Number 950511 950455 950889 950749 95
17. move 4 screws 2 from each side of the unit SOd 2 M3HOS 1 ONILNNOW KAS DISASSEMBLY INSTRUCTIONS AND DIAGRAM Removal of the Bonnet Step 1 Step 2 8398015 0302 HOJO3NNOO LMV 401 i GENERAL ALIGNMENT INSTRUCTIONS Test equipment required RF standard signal generator S S G Slow sweep generator 27 MHz 455 kHz AF signal generator V T V M RF power meter Oscilloscope Monitor receiver Frequency counter D O O PWN gt 80 dummy load 50 9 dummy load ALIGNMENT POSITIONS R58 TP3 O O O TP5 O TP2 O TP7 TP4 C O TP6 LI R54 FIGURE 2 TRANSMITTER ALIGNMENT CHART Test Equipment Test Equipment Frequency counter See Note As shown in Figure 3 below Sweep generator Frequency L1 L2 amp Oscilloscope 27 075 MHz T10 Peak waveform Transmitter Section Control Setting 1 Power switch ON CH 1 23 or CH1 11A Power switch ON CH 10 Power switch ON RF power meter Supply voltage L5 L6 Fig b CH 10 Monitor scope 13 8 V 11 T12 Frequency counter for RF Max Power switch ON AF generator AF generator R54 CH 10 RF power meter Frequency 2 5 But notso Fig 5 6 Monitor scope kHz Mod 50 that over 16 dB mod occurs Mod 90 100 96 Note Turn back the core appr
18. n film R69 Carbon film R70 Carbon film R71 Carbon film R72 Carbon film R73 Carbon film R74 Carbon film R75 Carbon film R76 Carbon film R77 Metal film R78 Metal film R79 Carbon film R80 Carbon film R81 Carbon film R82 Carbon film R83 Carbon film R84 Carbon film R85 Carbon film R86 Carbon film R87 Carbon film R88 Carbon film R89 Carbon film R90 Carbon film R91 Carbon film R92 Carbon film R93 Carbon film R94 Carbon film R95 Carbon film R96 Carbon film R97 Carbon film R98 Carbon film R99 Carbon film R100 Carbon film 101 102 Carbon film R103 Carbon film 104 105 Carbon film 10 K 82 K 82 220 12 47 12 47 22 2 7 470 4 7 6 8 1 K 470 68 K 470 K 47 K 47 470 2 2 K 15 K 2 2 82 10 68 120 1 K 150 1 K 18 K 5 6 K 47 1M 27 1 4 W 1 4 W 1 4 W 1 4 W 1 4 W 1 4W 1 2W 1 4 W 1 4 W 1 2W 1W 1W 1 2 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 2 W 1 4 w 1 4 W 1 2 W 1 4 W 1 4 W SEMICONDUCTORS silicon Silicon silicon silicon silicon silicon silicon silicon silicon silicon silicon silicon silicon 5 5 t b 96 5 96 t 5 t b 96 t 10 5 5 10 10 t 10 10 5 5 559 5 5 5 5 5 5 t5 t5 t5 5 5 5 t 5 10 5 10 t5 5 10 t b t b 96 Toshi
19. nna Connector Sel Call jack Speaker jack Line cord strain relief Meter Pilot lamp 14 V 80 L 110 Pilotlamp 14 V 80 L 220 mm Pilot lamp holder Lamp jewel Test pin Wrapping post DC cable RED DC cable BRK Fuse 2 Speaker Poly case Rear label Fuse label 2A Chassis Front chassis Front escutcheon holder Bonnet Top Bonnet Bottom Mounting bracket Heat sink Front rubber escutcheon Front panel VR knob CH knob CH dial plate 235 11A d 235 23 Mounting bracket screw Styrofoam pad for mounting bracket Fiber for mounting bracket Speaker cloth Earth lug M type Speaker mounting bracket Fiber for bonnet Fiber for crystal Wires 1kit Screws 1 kit 452354 452361 452368 452375 452382 452389 452396 599708 599715 599428 599645 599652 599659 599722 599729 599736 599743 599750 599449 599757 599666 599680 599764 599761 599768 599775 599782 599789 599796 599803 599810 599817 599824 599831 599554 599838 599845 599852 599547 599859 599866 599873 599880 599887 599894 599901 599908 599915 a 5 handic MFR S ef No escription Stock Number Parts Number GE 19B 4681 GE 19D 4685 50 239 CS 260 SJ 296 1 15 3P 4 220 BU 687 EAX C P T 59BS3015 DX 104 DX 106 PD 960ST GE 19D 4784B 2 GE 19B 4663 GE
20. oximately one rotation from the stopping point of the oscillation CRYSTAL FREQUENCY CHECK Connect the instrument as shown in Figure 3 TEST POINT UNDER TEST Y COUNTER capacitor TRANSMIT osc 3 pF TABLE 1 FIGURE 3 Receiving or Test point Test point Test point Transmitting TP 1 TP 8 TP 7 Channel Frequency Master Osc Transmit Osc RX 2nd Osc cO C0 4 O gt 01 CO N gt 26 975 26 985 26 005 27 015 27 025 27 035 27 055 27 065 27 075 27 085 27 105 27 115 27 125 27 135 27 155 27 165 27 175 27 185 27 205 27 215 27 225 27 255 27 095 26 965 MHz 37 600 MHz 10 635 MHz 10 625 10 615 10 595 10 635 10 625 10 615 10 595 10 635 10 625 10 615 10 595 10 635 10 625 10 615 10 595 10 635 10 625 10 615 10 595 10 635 10 625 10 595 10 595 Only used for set handic 235 11A without CH 23 TABLE 2 B P F SECTION ALIGNMENT Connect the instrument as shown in Figure 4 Connect the instruments as shown in Figure 5 01 uF TEST POINT TP6 DUMMY 2 2 K TYPICAL SCOPE WAVEFORM 10 180 MHz 10 170 10 160 10 140 10 180 10 170 10 160 10 140 10 180 10 170 10 160 10 140 10 180 10 170 10 160 10 140 10 180 10 170 10 160 10 140 10 180 10 170 10 160 10 140 ALIGNMENT WAVEFORM 27 075 MHz handic 235 UNDER
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