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TC-265365 Service Manual

1. AT24C16 9 8 Tz i e SIN a 10 27 34 als Ao C32 100p amp d 4 2 NC NC 5 c 5 E 06 R107 25 4988 R112 C109 1103 0 1000 33NH 5 2 j 12 7 5 R811 IRO 4 63 2SK1875 V 28 5108 m 28 5108 Cum 28077 d ES 13 Ju csn 1 4 N TOM zie 1 14 3 0 5 Zu 15 1 See D100 ig Main DT 5 3 579545 Vdd I AN 8 123 C125 amp E E bd o 25111 R2 LS 2 18 18 AN S S 3 C709 R718 D7 Ik 1 3 E m di 5V ANTENNA SW PST9140NR Ke 5 5 28111 28 4617 28 1824 BIS 150k aa 5 SE R404 0106 5 134 100p 10100 18 di E els 1 em j T R133 DTA144EE 8 5 BS 1 150k ge 330k Sin Sin AN 40 x 235 5 5 A a ETE S
2. Lan 5 00 C520 ANTENNA SW C309 1C14 MATT C211 124 123 422 SIN vss 5 i OUT NC gie Je 6 C239 R233 C236 R229 TA 5 lt TN KS Ke AT241610812 5 Q139 25077 470p C210 Co07 C205 KE CU er 28 5108 28 5108 245 0112 10 470p 5 3 m NC CNL E a gt DT ag 3 579545 Vdd CK C307 C308 CMX823 5 25111 8501 E 2m ios 18p 18p e Sp 81243 3 3 3 100k E eu Ik 100k 28376 C527 231 pu tz 28 N 1 22 FMMT717 2 RE 22k 125 g Gm 20 28 10 R78 a S mS N R201 Q127 als 5 seg 0 SO SE 33K DTA144EE m zm fis ep He En 015 oa Isa EIS 4 PST9140NR SCT 28 33 e 8 2 suB 25 5 Zr E Sf a 08 106 R80 aV d 219 EK DTCII4EE 7 7 7 E AUDIO MUTE SW R301 0107 FMMTS91 0108 8 10K 9112 4 1 n R36 33k DTA143ZE s Va MM D askista 100463 4 1 2 3 g _ du 2 28 5 C75 4 4 7 6 3 257 125 R50 270k D RIIS 28C5343E e is m Q100 B
3. Function Function Setting Defaults are Display Remarks No Name underlined 1 Monitor OFF 1 OFF Disable Monitor Momentary 1 1 AF channel opens when MONI is held down Monitor Lock 1 2 Squelch opens when MONI is held down Switches each time MONI is held down SQ OFF Momentary 1 3 Squelch opens when MONI is held down and compatible signal is received 2 Channel OFF 2 OFF Disable Scan CO 2 CO Carrier operated scan resume TO 2 TO Time operated scan resume 3 Priority OFF 3 OFF No priority setting ON 3 1 Set priority channel 4 Priority 0 1 16 4 1 Priority Only valid when fixed Channel 0 4 16 priority is enabled 5 Look 0 5 5 0s 5 05 The period that radio checks a priority Back A 1 0s 5 5 0 channel from a normal channel when step 0 15 there is no activity on priority channel 6 RX Dwell 0 5 5 0s 6 05 Time until scan resumes when it is Time 3 0s stopped by signal input Only valid in 6 5 0 step 0 15 time operated scan 7 Dropout 0 1 5 0s 7 0 1 Time until scan resumes when there is Delay 3 0s no signal after it is stopped by signal Time step 0 15 7 50 input 8 TX Dwell 0 1 5 0s 8 0 1 Time until scan resumes after transmit Time 3 0s stops without compatible channel step 0 1s 8 5 0 associated signaling Scan resume time is decided by dropout delay time RX dwell time and carrier operated time operated scan mode if compatible channel associated si
4. Switching diode DAN222 TL SOT 560 3303020100020 Switohing diode 2511100 SS 06 2 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 No Waterai No Description Address 567 900 0 02 0025308 800303 08 580 3401002000990 Transistor 25 5108 585 3411002000020 Transistor 25c5343EG NEN AU as Transistor DTA114EE TL PNP Transistor DTC114EE TL NPN Transistor DTC114EE TL NPN Transistor DTC114EE TL NPN Transistor DTC144EE TL NPN Transistor DTC144EE TL NPN Transistor DTC144EE TL NPN Transistor UMC4 NTR NPN PN 600 3403009000010 Transistor UMG3N N TR NPN 1 044 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 Description Address 606 3503010000010 FET 2822433 05 3503020000010 3503020000030 FET 25 1824 1 N 3503020000030 25 1824 1 TN 3503020000030 3503020000030 FET 25 1824 1 N 3504990000010 RDO1MUS2 T113 3501020000030 FET 3SK318YB TL E Q Power management IC regulator XC6201P5 Temperature compensate crystal oscillator x1 B2B 632 3701012850010 12 8MHz 5 0 1 Few 4100265100000 265 120 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1
5. Specifications e rh 13 19 21 36 55 58 59 60 62 63 65 67 68 69 HYV TC 265 365 SERVICE MANUAL Revision History 2004 6 2006 10 1 302 is changed from TA7368F to KIA6278F Q203 Q203 is changed from 3SK320 to 35 318 0102 is changed from 25 2596 to RD01 0105 is changed from 25 2595 to RDO7 Changes also be made on the corresponding peripheral circuits HYV TC 265 365 SERVICE MANUAL Manual Scope This manual is intended for use by experienced technicians familiar with similar types of communication eguipment It contains all service information reguired for the eguipment and is current as of the publication date Safety and General Information The following general safety precautions as would normally apply should be observed during all phases of operation service and repair of this eguipment This eguipment should be serviced by gualified technicians only DO NOT operate the transmitter of radio unless all RF connectors are secure and any open connectors are properly terminated Do not modify the radio for any reason Use only HYT original batteries and chargers Use only the supplied or an approved antenna Do not use any portable radio that has a damaged antenna If a damaged antenna comes into contact with your skin a minor burn can result For vehicles with an air bag do not place a radio in the area over an air bag or in t
6. 642 3104071060010 Ta capactor 0805 10UF M63V a 660 capacitor 0803 0 033UFK 1 caos 606 3 579546MHeNx125 A HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Bescipton Lo Adaress 217 s001050000000 chip resistor 0402 00116 11 R207 R 300105100000 300105100000 3001051000000 resistor 0402 100 J 1 16 N 7 8 WIN 3001051010000 resistor 0402 1000 J 1 1 R104 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 MaterialNo Description aty Ref No Address e 3001051840000 hip resistor 0402 19060 Fi A 3001051850000 Chipresistor 0402 18 11 7 1 22 3001052220000 Cnipresistor 1022260411 1 RES 3001052220000 hip resistor 0402 2260 141 1 TIE ao 3001053320000 hip resistor 0402 14 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 Description Lo RefNo Adress 217 30010553300 0 Chip resistor 0402 11 R N 5 21212 5 N
7. R B4G 660 3503020000030 2681824 __ 10050 666 3605002054590 amplifier TA75W01FU TE12 1 68 669 3104072250010 0805 2202 M 10 1 C87 0 0 TC 265 365 SERVICE MANUAL Adjustment Description This radio has different kinds of adjustment parameter The adjustment parameters are divided into different items according to wideband narrowband and center low and high freguency You can adjust the radio by programming software or through manual adjust mode 1 Instruments 1 Communication analyzer 1 set 2 Frequency scanner 1 set 3 3A 10V DC power source 1 set 4 Digital multi meter 1 set 5 3A Ammeter 1 set 2 Adjustment 1 Initialization It is necessary to initialize the radio because there is useless data in EEPROM Short out the two SELF points the radio enters all reset mode Use channel selector knob to select radio destination Press PTT and MONI simultaneously the radio data are all initialized Please refer to 5 1 All Reset Mode in Radio Modes for more details 2 Adjustment TC 265 365 can be adjusted by manual adjust mode or through PC programming software The following table describes the adjustment details of manual adjust mode 3 Manual Adjust Mode Measurement Adjustment 12012 Item Condition Test Specifications bin Condition Terminal Parts Method Rem
8. resistor 0402 2700 a 3001052720000 Chip resistor EE 1 so 3001083340000 Chip resistor 0402 af Chip resistor 0402 150 J 1 3001051530000 resistor 0402 15KQ J 1 1 1 8 4 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 MateriaiNo Descipion 817 200105209000 2 800105471000 3 300105472000 300105472000 300105472000 300105472000 3001054720000 resistor 0402 4 7KQ J 1 R507 3001054720000 Chip resistor 0402 4 7KQ J 1 3001054730000 Chip resistor 0402 47KQ J 1 1 A 300105473000 300105473000 300105473000 300105473000 300105473000 300105473000 300105473000 300105473000 3001054740000 hip resistor 0402 4700 1 3001055130010 Chip resistor 0402 1 O A HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 121 22 N 3001060000000 3001060000000 3001061000000 3001061000000 2 1 41 1 5414 41 444 44 41 1 41 41 1 1 41 1 8 o om HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 No Wem
9. 21 8 3001053340000 resistor 0402 J 1 3001053910000 resistor 0402 3900 J 1 1 N N N NIN 3001054710000 3001054720000 T T5C T2J 3001054720000 4C 7 3001054720000 Chip resistor 0402 4 7K0J4 99 3001054730000 Cnip resistor 0402 47KQ J11 1 R209 3001053930000 Chip resistor 0402 39 J 1 1 lt 2722 292 gt HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 Description Lo RefNo Adaress 217 s001060000000 cnip resistor 0608 00 s 170w N N 2 N N O O 3001060000000 resistor 0603 00 J1 10w 1 B 3001060000000 resistor 0603 00 J 1 10Ww 1 B 3001060000000 resistor 0603 00 J 1 3001060000000 resistor 0603 00 J LI 1 R512 128 3001060000000 Chip resistor 0603 00 J 1 52 R61 3001060000000 resistor 0603 00 J 1 8610 131 3001060000000 resistor 0603 00 J How 1 RB R1 3001061000000 Chip resistor 0603 100 110 1 134 3001061000000 resistor 0603 100 J 1 0 1 2 300106100000 B2 300106101000 R19 B5E 138 3001061010000 Chip resistor 0603 1000 J 1 1 B3D 149 3001061020010 Chip resistor 1
10. N Oo HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 ay 1900 02 Transistor PRF957 NPN PHILI 03 3406001000090 Transistor 25C4988FRTR E NP B3G 04 3411002000020 25C5343EG NPN AU 3411002000020 28 534 NPN AU RIO ransistor 28C5343EG NPN AU 0 ransistor 25C5343EG NPN AU 0121 608 341100200002 B2F B1F 3499000000170 Transistor UFMMT591 PNP SOT B21 611 B21 ransistor UFMMT717 PNP SOT T2J 14 B2E B1F 330321020000 B2E 617 930321020000 B1F o o 0 9 N 9149149 w N o 8 3303020100070 Switching diode MA2Z07700L SOD 0111 3307110100070 LED KPT 1608SRC D104 Transistor DTA114EE TL Transistor DTA114YE TL PNP HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Address 642 3403008000070 Transistor DTC144EE TL NPN 43 3403008000070 Transistor DTC144EE TL NPN 3403009000010 Transistor UMG3N N TR NPN Ba 45 3403009000010 Transistor UMG3N N TR NPN 646 3304060300050 R 647 3304060300050
11. capacitor 0603 0 1UFK16 1 408 3101061040010 Chipcapacitor06030 1UFK 16 1 B 0 B3G 3101061040010 capacitor 0603 0 1UFK16 1 B O N 55 O N N N N 8 O N O UJ 411 3101061040010 Chipcapacitor06030 1UFK 16 1 B5 5D 3101061040010 capacitor 0603 0 1UFK16 1 414 3101061040010 45 O gt w B B O 1 417 3101061040010 capacitor 0603 0 1UFK16 1 8 3101061040010 capacitor 0603 0 1UF K 16 1 6550 ABRIR O HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Description Lo RefNo Address 3101063330030 Chi capacitor 0603 00330FK 1 4817 3101063330030 Chip 0603 0035UFK 3101068830030 chip capacitor 0603 0 033UFK SIE N amp E B B B O O O TI 3C N O 48 3101063330030 Chip capacitor 0603 0 033UF K B2H 3101063690000 capacitor 0603 3 6PF 50 B 5 3101063690000 Chip capacitor 0603 3 6PF B 50 O O 3101064700000 Chip capacitor 0603 47PF J50V 1 5 454 3101064710000
12. HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 No MaterialNo Description 101 310106102000 oa 370108102006 310108102006 370108102006 os 310106102000 370108102006 N 0 0 3101061020000 capacitor 0603 1000PF K 5 08 3101061020000 Chip capacitor 0603 1000PF K 5 0 3101061020000 capacitor 0603 1000PF K 5 AYA 310106102000 310106102000 310106102000 310106102000 310106102000 310106103001 417 310106103001 mel 310106109001 310106102000 N AB N SIE lt o HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 MaterialNo RetNo Address 142 s101061040010 Chip capacitor 0603 01UFK16 1 44 s101061040010 Cnip capacitor 0603 0 1UFK16 1 456 s101061210000 Cnip capacitor 0803 120PF450 1 02 me HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 MaterialNo ag 310106300001 82 s101063300000 Chip capacitor 0803 33PF J50v 1 s101063300000 Cnip capacitor 0803 33PF 1507 i 210106931000 210106932000 310106390000 IO 14 8 3101063900000 Chip capacitor 0603 J 50V 88 3101064700000
13. g E a 23 5 MONI eval coo Ap 5 152 C99 4 g 8 Zeg essit ses t 54 T 2 d SELF T ISR154 400 amp x 3 R610 1 WERT ns 15 2nd Local 255787 lor 25 Am PTT 450FW CF100 xs ma R92 47k R88 B NC RI M38039FFFP HP 17 86 0 10 0124 12 MICROPROCESSOR e 25 4619 A ue ST R112 20 d 5 8P SEN 49V CA 5 1227 143 R6 C105 3900 R32 C62 tan gt m IRQ R314 Late 5 5 2 245 IK ei css amp Je ks E S S 215 52 A AUDIO MUTE SW Lg 8 1 120 R60 4 DT TK 259089 60 5 2 Ol 82K C63 8 RD IK R814 CS rd x a gt CHANNEL SWITCH 5 MT 00 ER POWER SWITCH R105 RSS 27 fd 7 R145 AUDIO VOLUM E C60 AX LOOK pu R104 1000 HVC350B 10063 470 100 SP 100 N 1 132 4 470p A R401 C402 R402 C403 R403 N 10K obi IK N si 33K 2 HYT Freguency Range MHz TC265 365 SERVICE MANUAL TC 265 146 174 TC 365 440 470 Channel Capacity 16 Channel Spacing KHz 25 12 5 N Antenna Impedance 50 Microphone Impedance 2 T Operating Voltage V 7 5
14. 00 O 39 37 36 wm MO 35 ec 34 33 2 21 31 29 265 365 Parts List 2 TC 265 365 SERVICE MANUAL No Material No Description Oty 1 Antenna 1 2 6000158000040 Volume knob 04 RoHS 1 3 6000160000040 Volume knob 04 RoHS 1 4 7207001200000 Nut 00 RoHS 1 5 6201006000000 Knob inner liner 0 25mm 00 RoHS 2 6 7206002000000 Nut M6 0 2 0mm 00 RoHS 1 7 6000163000000 Light guide pip 00 RoHS 1 8 7500140000000 Dual adhensive glue for light guide pipe 00 RoHS 1 9 6000155000000 Waterproof cover 00 RoHS 1 10 6000150000010 Rear cover 01 RoHS 1 11 4301040000020 PTT switch RoHS 2 12 5002110000030 Mic RoHS 1 13 7400074000000 PVC cushion 00 RoHS 1 14 5205000000090 Louderspeaker jack HSJ1102 0105109 RoHS 1 15 5205000000080 Mic jack HSJ0861 0104109 RoHS 1 16 6201061100000 Battery positve plate 0 20mm SUS304 00 RoHS 1 17 6000117000020 Positive plate bracket ABS 02 RoHS 1 18 6100090000000 Waterproof rubber cushion for jack 00 RoHS 1 19 7500145000000 Bracket waterproof cushion 00 RoHS 1 20 6100087000000 End face waterproof cover 00 RoHS 1 21 4400100008000 SMA connector antenna pedestal RoHS 1 22 6000166000030 Switch bracket 03 RoHS 1 23 6100096000000 FET cushion 00 RoHS 1 24 740007200
15. ABI O N 55 3101064710000 capacitor 0603 470PFK50 1 C BSH C B3E 457 3101064710000 Chip capacitor 0603 470 50 1 C 458 3101064710000 capacitor 0603 470 50 1 C211 0 1 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Description Lo RefNo Adress m O N N UJ N N O 3101064710000 capacitor 0603 470PF K 50 3101064710000 Chip capacitor 0603 470PF K 50 3101064710000 capacitor 0603 470 K 50 C81 92 3101064710000 capacitor 0603 470 K 50 31010647 10000 Chip capacitor 0603 470 50 494 3101065600000 AYA N 9 497 498 3101066820000 0 1 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Bescipton Lo RefNo Adress 22 2 3213306332000 Multi layer inductor 0603 1 145 3213306332000 Multi layer inductor 0603 3 3uHMLF1 147 14 5 L7 L51 27 N O1 N IN NM 14 UJ 3210306221000 Multi layer inductor 0603 2200HLQM1 1 528 3210306221000 Multi layer inductor 0603 2200 LAMI 1 3210306561010 Multi layer inductor 0603 560nHLOM1 1 30 3221507600000 ferrite bead 0
16. Frequency Stability ppm Transmitter RF Power Output W Modulation Sensitivity mV 5 UHF 4 VHF Modulation Distortion Modulation Limiting KHz lt 5 W 2 5 N Audio Response 6dB Octave 3 RF Spurious Emissions dBm 36 lt 1GHz 30 gt 1GHz Adjacent Channel Power dB 70 W 60 N Receiver Reference Sensitivity uV lt 0 25 W 0 28 N Audio Squelch Sensitivity uV lt 0 4 Audio Power mW 500 Audio Distortion lt 5 Bandwidth KHz gt 7 W 3 5 N Audio Response 6dB Octave 8 2 Co channel rejection dB 2 8 Blocking dB 284 Adjacent Channel selectivity dB 270 W 60 N Spurious Response rejection dB 270 Intermodulation dB 265 W 60 N Specifications are tested according to TIA EIA 603 and subject to change without notice due to continuous development
17. Kaia 60 3 65 9 7 8 99 2 0 E Riak a 62 A N Ti Ps Ta 0 0000 28 D ea N een 20 ed Bul us Joy Jo e 995 91 TC 265 Schematic Diagram C140 14 47 d d d LH cia 22077 3 1114 L115 L117 AT 470p 0101 2SC5108 Y RII8 C116 L107
18. 216 000 223 000 219 000 38 85 219 100 219 000 216 100 216 000 222 975 222 900 219 100 219 000 7 365 1 330 000 350 000 340 000 38 85 340 100 340 000 330 100 330 000 349 975 349 900 340 100 340 000 8 TC 365 2 350 000 370 000 360 000 38 85 360 100 360 000 350 100 350 000 369 975 369 900 360 100 360 000 9 TC 365 3 370 000 390 000 380 000 38 85 380 100 380 000 370 100 370 000 389 975 389 900 380 100 380 000 10 TC 365 4 400 000 420 000 410 000 38 85 410 100 410 000 400 100 400 000 419 975 419 900 410 100 410 000 11 TC 365 5 400 000 430 000 415 000 38 85 415 100 415 000 400 100 400 000 429 975 429 900 415 100 415 000 12 TC 365 6 420 000 450 000 435 000 38 85 435 100 435 000 420 100 420 000 449 975 449 900 435 100 435 000 13 TC 365 7 440 000 470 000 455 000 38 85 455 100 455 000 440 100 440 000 469 975 469 900 455 100 455 000 14 TC 365 8 450 000 470 000 460 000 38 85 460 100 460 000 450 100 450 000 469 975 469 900 460 100 460 000 15 TC 365 9 470 000 490 000 480 000 38 85 480 100 480 000 470 100 470 000 489 975 489 900 480 100 480 000 16 TC 365 10 480 000 520 000 500 000 38 85 500 100 500 000 480 100 480 000 519 975 519 900 500 100 500 000 17 Factory 100 000 500 000 300 000 38 85 300 100 300 000 100 100 100 000 499 975 499 900 300 100 300 000 adjustment
19. 35 2 50 2 frequencys50H group 1 balance 2 narrowband 4 3 CDCSS 754 Adjust CDCSS balance at VR500 T m 45 20 Wideband T 8 Tone hannel Communication upward 3 5KHzx100Hz Adjust at any deviation Tone signalin ME MONI channel a 9 PF 15KHz down Narrowband i i ward 1 5 2 2 0 2 Adjust Hes come 5 Tum to Adjust nis channel Adjust Digital multi voltage to 2 ladjust so that red ud under maximum meter 8096 of the LED flashes N alert level maximum transmit power rate transmit power voltage 5 8V TC 265 365 SERVICE MANUAL Disassembly for Repair Remove the case assembly from the chassis 1 Remove the two knobs 1 and three ring nuts 0 2 Remove the two screws 3 3 Expand the right and left sides of the bottom of the case assembly lift the chassis and remove it from the case assembly Remove the latch Raise the latch on the bottom part of the case assembly insert a small flat screwdriver into the space between the case and latch open the case carefully and remove the latch Note Do not force to separate the case from the latch TC 265 365 SERVICE MANUAL Exploded View 2 51 50 49 lt 3 W 48 O 47 N 46 45 44 43 42 41 40 2 OV ch An 9
20. Description O N 300106104001 300106104001 300106104001 300106104001 300106105001 300106123000 300106124001 300106124001 300106124001 300106151000 300106151000 18 2001061810000 Chip resistor 150010 1 3 dd sch 3 3 3 A A wech NIN IN IN IN IN IN IN N 5 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 MaterialNo Description _ RetNo Address 001062710000 resistor 0603270001 1 225 01063340000 resistor 0603 s30ka 31 1 R 232 s001064700000 Chio resistor 0603 a70 1 Eoo ssa men ee aw 001064720000 resistor osos azka s 1 235 soot064720000 Chip resistor oe HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 MaterialNo Description _ RetNo Address 246 s001065620010 Cnip resistor 0603566047 1 Rs BF 247 s001065620010 Cnip resistor 0603 56 0317 1 R HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 List 1 Descripton 281 310105102001 120 82 s101051020010 Cnip capacitor 0402 1000PFKS caor el s101051020010 Cnip capacitor 0402 1000PFKS
21. IC to create a 450KHz second IF signal The second IF signal is then fed through a 450KHz ceramic filter to further eliminate unwanted signals before it is amplified and FM detected in IC200 265 IC10 TC 365 4 AF amplifier The recovered AF signal obtained from IF processing IC is amplified by IC300 1 4 TC 265 IC9 1 4 CTC 365 filtered by the IC300 TC 265 IC9 TC 365 low pass filter 2 4 and 1 300 TC 265 9 TC 365 high pass filter 4 4 and de emphasized by R47 and C56 265 R36 and C53 TC 365 The processed AF signal is then passed to a WIDE NARROW switch and its output is applied to an AF volume control circuit and is amplified to a sufficient level to drive a loud speaker by an AF power amplifier 5 Squelch Part of the AF signal from IF processing IC re enters IC and the noise component is amplified and rectified by a filter and an amplifier to produce a DC voltage corresponding to the noise level The DC signal is injected to the analog port of the microprocessor MCU compares the voltage with the preset value and determines whether to output sounds from the speaker MCU sends a high level signal to the MUTE and AFCO lines and turns IC302 TC 265 IC7 TC 365 on through Q302 Q304 0305 0306 and 0307 265 0115 0116 0117 0118 TC 365 See Fig 3 HYV TC 265 365 SERVICE MANUAL kg A d MUTESW AFPFAMP AFCOSW SP AFCO SW MPU 2 Fig 3 AF
22. J 1 0 R60 o 212 NIN ojo Ba 1 41 41 41 41 N jo 212 92 N T2 B2 B md pus N 212 5 4 3 gt 2 O d N N TI B B w Oo 2121 N HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Bescipton Lo Address el 0010610400 0 Cripresistor 0608 1 411 41 41 1 o o o o o N O 68 N 71 3001061240000 2 N O 71 3001061240000 177 178 3001061520000 wech 4 o 5 o HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Bescipton Lo RefNo Address 3001062720000 Chip resistor 06032 s001062740000 Chip resistor 0603 180 3001062740000 Chip resistor 0608 270K D 11 Cer e 2 ES ES S N O 3001063310010 resistor 0603 3300 J 1 1 208 3001063310010 resistor 0603 3300 J 1 1 0 3001063310010 resistor 0603 3300 J 1 1 1 8526 gt 212 NIN amp B
23. NIM2904V els 15 R137 RI38 2 STE puo 5 2 9 68 915 2 150k 150k R406 0108 SIS R200 2nd Local 10 C200 amp 601 254 257 C414 DTA123JE NTF 2 5 1 C205 m 5 25 R600 Tz 515 im Sp e Sau TP M 5 0402 10404 1000P E 220p IstIF38 85MHz 518 ws 2 ANS 8 o C606 C605 81 DTA114YE XC6201P502R N 0 R202 206 OTS 4 R63 4 TA75WOIFU IN R540 8500 501 R5 4 E 100K SZ 001203 10 A S 1 5 4 7k 15k E C604 T ROOD 680K a 848 5 5 S gis EX eiu 2 S 3 00120 010 SE CA 1 5 2 812513 2191 5 253 Fa SS 8 5 R222 C243 1204 R213 11000 SEE 518 a e ET El a AUDIO MUTE SW 38608 5 DTC144EE 214317 8181 gor 1K EI als A 8 4 5 TA31136EN ae J Mn 25 1588 C337 5 334 D R AUDIO SACINE FILTER 2 St Aur Ox Cid 100 6 3 ER 602 C601 120k D a O EI Alea SK 202 Taru AMP ACTIVE 2 S E 1 E 2 FILTER 8 2 E S els 1 0 033u 1 N 28 4617 8 R326 i 3 4 hl DIS EE n S
24. VHF 18 Factory 200 000 600 000 400 000 38 85 400 100 400 000 200 100 200 000 599 975 599 900 400 100 400 000 adjustment UHF TC 265 365 SERVICE MANUAL Circuit Description 1 Freguency configuration The receiver utilizes double conversion superheterodyne The first IF is 38 85MHz and the second IF is 450KHz The first local oscillator signal is supplied by PLL circuit The PLL circuit in the transmitter generates the necessary frequencies Fig 1 shows the circuit configuration TC 265 frequency range 146MHz 174MHz TC 365 frequency range 440MHz 470MHz CF ANT ANT SW RF AMP MIXER MCF SP AF AMP IF MIX 00 N LPF HPF TCXO multiply 12 8M PLL MIC MIS k Tx AMP AMP 6 Fig 1 Circuit configuration 2 Receiver The receiver employs double conversion superheterodyne 1 a Front end RF amplifier TC 265 The input signal of antenna is applied to RF amplifier 0203 after passing through a transmit receive switch circuit and a 3 stage low pass filter The amplified signal is filtered through a band pass filter a 3 stage LC filter to eliminate unwanted signal before it is applied to the first mixer The voltage of varactor is provided by MPU 1 403 See Fig
25. amplifier and squelch 6 Receiving signaling CTCSS CDCSS MCU output signal is filtered by 300Hz low pass filter and the filtered signal is input to the microprocessor MCU determines whether the CTCSS or CDCSS matches the preset value and controls the MUTE and AFCO and the speaker sounds output according to the squelch results 2 Tone 5 Tone IF processing IC output signal is filtered by IC9 265 14 TC 365 and then applied to the microprocessor MCU compares TTS with the preset value and controls MUTE and AFCO and speaker output according to squelch results 3 PLL frequency synthesizer PLL circuit generates the first local oscillator signal for receive and the RF signal for transmission 1 PLL The frequency step of the PLL circuit is 2 5 or 6 25 KHz A 12 8MHz reference oscillator signal is divided at PLL by a mixed counter to produce 2 5 or 6 25 KHz reference frequency The voltage controlled oscillator VCO output signal is buffer amplified and then divided in PLL by a dual module programmable counter The divided signal is compared in phase with the 2 5 or 6 25 KHz reference signal in the phase comparator in PLL The output signal from the phase comparator is filtered through a low pass filter and passed to the VCO to control the oscillator frequency See Fig 4 HYV TC 265 365 SERVICE MANUAL PLL DATA S 12 8MHz PUMP Fig 4 PLL circuit 2 VCO The operating frequency is genera
26. b APC system 5 ANT switch and LPF The RF amplifier output signal is passed through a low pass filter network to filter the second harmonic components and then applied to a transmit receive switching circuit before it is passed to the antenna terminal The transmit receive switching circuit is comprised of 0100 0200 and 0101 0102 and D103 TC 265 0108 D112 D111 D109 and D110 TC 365 is turned on conductive in transmit mode and off isolated in receive mode 6 APC The automatic power control APC circuit stabilizes the transmitter output power at a predetermined level by sensing the drain current of the final amplifier Field Effect Transistor FET The voltage comparison circuit compares the voltage obtained from the above drain current with a reference voltage which is set using the microprocessor The APC voltage is proportional to the difference between the sensed voltage and the reference voltage output from IC100 265 IC11 365 1 2 This output voltage controls the gate of the FET power amplifier which keeps the transmitter output power be varied by the microprocessor which in turn changes the reference voltage and hence the output power 7 Temperature protection circuit When the thermistor TH100 TC 265 TH102 365 reaches about 80 the protection circuit turns on 0107 265 Q126 TC 365 to protect the final stage amplifier from overheating 5 Power supply reference power suppl
27. capacitor 0603 47PF J 50 8 3101064710000 capacitor 0603 470 K 50 AYA so 310106471000 s10106471000 el 310108271000 ss 310106471000 oal s101061720000 Cnin capacitor 0608 4700PF ks 35 310106560000 sol 310706680000 497 310106680000 C51 428 31010568200001 capacitor 0603 6800PFKS 1 538 Trimmer capacitor 3 2 2 5 1 25 B2E ARI HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 Description Address 525 _3221606601000 Chipferriter bead 0603 6000525 4 11 537 3210306470000 Mult layer inductor 0603 47nH 18 1 508 321040647 1000 Multi ayerinduotor azon tamt 539 3210308680000 Mut tayornductor 0603 1 540 8210306820000 ult iayer inductor 0603 62 1 826 nem inductor E2 0 35 1 6 4TL Air core inductor E2 0 35 1 6 5TL Air core inductor E2 0 35 1 6 5TL Air core inductor E2 0 35 1 6 5TL Air core inductor E2 0 35 1 6 6TR Air core inductor E2 0 35 1 6 7TR Air core inductor E2R 0 5 1 6 3T 551 3303010500290 Switching diode 185372 0500 552 _sa040tor00re0fVaractor SV2T4CTSEM 0 553 3304010101090 VaractorTSV283 TPH3F 1 m 554 3304010101090 Varaotor
28. mode points FCPY on PCB to enter dealer clone mode 4 You can clone the following data in wired clone mode General parameter User channel data Factory channel data only available in factory clone mode Center low and high frequency only available in factory clone mode 2 Tone frequency 5 Tone frequency Adjustment data only available in factory clone mode 5 6 User Mode Turn the radio on a beep sounds and green LED flashes indicating that the radio enters user mode This mode is used for normal operation 6 Appendix Initial data table TC 265 365 SERVICE MANUAL No Model Frequency Center IF MHz 1CH C 2CH L 3CH H 4CH Range MHz Frequency MHz Rx MHz Tx MHz Rx MHz Tx MHz Rx MHz Tx MHz Rx MHz Tx MHz 1 TC 265 1 136 000 150 000 143 000 38 85 143 100 143 000 136 100 136 000 149 975 149 900 143 100 143 000 2 TC 265 2 136 000 174 000 155 000 38 85 155 100 155 000 136 100 136 000 173 975 173 900 155 100 155 000 3 TC 265 3 146 000 174 000 160 000 38 85 160 100 160 000 146 100 146 000 173 975 173 900 160 100 160 000 4 TC 265 4 150 000 174 000 162 000 38 85 162 100 162 000 150 100 150 000 173 975 173 900 162 100 162 000 5 TC 265 5 155 000 164 000 160 000 38 85 160 100 160 000 155 100 155 000 163 975 163 900 160 100 160 000 6 TC 265 6
29. radio on while shorting AIl Reset Mode out the two SELF points Mode mode is enabled and enters user down MONI and then mode if manual adjust mode is N M press PTT in 2 seconds to save prohibited the value and return to the upper menu Wired Clone Press MONI for 3 seconds Press PTT to transmit Mode while turning the radio on 4 Prohibit Entering Manual Adjust Mode Manual adjust mode can be prohibited by programming to prevent users from changing the parameter with self programming function or with external programmer The factory or the dealer should prohibit this mode after setting and cancel the prohibition before entering this mode 5 Operation in Radio Modes In the following modes when the two SELF points are shorted out the radio enters all reset mode if the two points are disconnected the radio enters other modes 5 1 Reset Mode In this mode you initialize the radio parameters or enable disable manual adjust mode Operation Short out the two SELF points the radio enters all reset mode and manual adjust mode is enabled at the same time Use channel selector to select radio destination number Please refer to the initial data table for destination number of each model 1 Press PTT and MONI simultaneously the radio data are all reset 2 Press PTT for 2 seconds the manual adjust mode is prohibited 3 Turn the radio off to exit from all re
30. the reference OSC does not modulate the loop characteristic freguency or higher modulation is performed at the VCO side by adjusting the balance See Fig 6 3 2 Tone 5 Tone encoder The necessary signal for 2 Tone 5 Tone encoding is generated by MCU The signal is sent to IC500 TC 265 IC1 365 2 2 and then applied to 3KHz low pass filter The resulting signal is applied to VCO for direct modulation See fig 6 MIC PRE EMPHASIS IDC LPF MAX DEV meD gt gt N E vco LS 2 MUTE SW 2 TN 5 TN Balance Decoder TCXO MCU TO REFERENCE OSC MUTE Fig 6 Transmit audio CTCSS CDCSS 4 a RF amplifier TC 265 The RF signal obtained from the VCO buffer amplifier Q100 is amplified by Q101 and Q102 This amplified signal is passed to the power amplifier Q102 and Q105 which consists of a 2 stage FET amplifier and is capable of producing up to 4 5W of RF power See Fig 7 a AMP DRIVE AMP FINAL AMP ANT SW LPF Fig 7 a APC system 4 b RF amplifier 365 The RF signal obtained from the VCO buffer amplifier Q136 is amplified by Q135 and Q134 This amplified signal is passed to the power amplifier Q131 and Q129 which consists of a 2 stage FET amplifier and is capable of producing up to 4W of RF power See Fig 7 b HYV TC 265 365 SERVICE MANUAL AMP DRIVE AMP FINAL AMP ANT SW LPF Fig 7
31. 0000 Aluminum chassis insulation sheet 00 RoHS 1 25 Battery 1 26 6201035000010 Belt clip shrapnel 01 RoHS 1 27 6300010000000 Belt clip mental holder 00 RoHS 1 28 7000018000020 Belt clip spring O2 RoHS 1 29 6000190000050 Belt clip 00 RoHS 1 30 7000020000010 Belt clip shaft 1 31 6100101000010 Battery connector 01 RoHS 2 32 6201059100000 Battery negative connector 0 20mmSUS304 00 RoHS 1 33 6201068000000 Flexible washer 00 RoHS 2 34 6300020000000 Aluminum chassis 00 RoHS 1 35 7500181000000 Cushion 00 RoHS 1 36 4302020000030 Volume knob RoHS 1 37 7500143000000 Sponge cushion for encode switch 00 RoHS 1 38 4304030000010 Gray code channel switch RoHS 1 39 6100088000000 Waterproof ring for aluminum chassis 00 RoHS 1 40 7500010000000 Soft cushion 00 RoHS 1 41 PCB 1 42 4210080000000 Black lead RoHS 1 43 4210080000300 Red Lead RoHS 1 TC265 365 SERVICE MANUAL 44 5001010000020 Speaker 426539 036523 40 0 5W D 36mm RoHS 1 45 6100078000000 Speaker gasket 00 RoHS 1 46 7400065000010 Grill cloth O1 RoHS 1 47 6000112100010 Battery latch PC ABS1200HF 01 RoHS 1 48 6201060000000 Battery latch metal sheet 00 RoHS 1 49 7000030000010 Battery latch spring 01 RoHS 2 50 6000147000060 Radio unit front case 06 RoHS 1 51 6100085000010 PTT key O1 RoHS 1 52 6000157000000 PTT key cover PC ABS 00 RoHS 1 53 720900220
32. 0000 Nut M9 0 2 2mm 00 RoHS 1 A 7103006001000 Machine screw M3 0 6 0mm 00 RoHS 1 B 7102004020050 Self tapping screw ST2 0 4 0mm 05 RoHS 13 C 7103006001010 Machine screw M3 0 6 0mm 01 5 2 D 7102504000300 Machine screw M2 5 4 0mm 00 RoHS 2 E 7102604020000 Self tapping screw ST2 6 4 0mm 00 RoHS 1 F 7102506000200 Machine screw M2 5 6 0mm 00 RoHS 2 HYV TC265 365 SERVICE MANUAL Owner s Manual Wrist Strap Belt Clip EN lt a Main Unit Charger Antenna Battery Adapter Package Lining Package Box 59 sposi 0568 BEL 12125 Ex 4 A E Jo e dot 6492 21 79 Ol Eu S 2028 8338 eae Si Eg gg PA kapea DA E 00102 o ooze 5028 o 9 5 480501 12g teg gg Bog 4 bia Fe 8 28 boa be e kI ED Br 6 18 58 1021 e Te Er a Gee N S B i go CR E2612 P
33. 180 before TOT is time out and then call alerts every 10 seconds 14 TOT OFF 1 120s 14 OFF Transmission is allowed immediately after the Rekey OFF radio returns to receive mode by TOT Time step 1s 14 1 Transmission is prohibited until preset time 14 120 elapses 15 TOT OFF 1 60s 15 OFF TOT is immediately reset after transmission Reset OFF stops Time step 1s 15 1 TOT won t reset until preset time elapses 15 60 even if transmission has stopped 16 Select Low 16 Low Low transmit power is selected transmit High 16 High High transmit power is selected power 17 Battery Disable 17 OFF No battery save function Save Enable 17 ON Enable battery save function 18 Beep OFF 18 OFF No beep tone ON 18 Beep tone sounds 19 Data Disable 19 OFF Prohibit data clone Clone Enable Enable 19 ON Permit data clone 20 Manual Disable 20 OFF Prohibit manual adjust mode Adjust Enable 20 ON Permit manual adjust mode Mode 21 End 21 End HYV TC 265 365 SERVICE MANUAL 5 4 PC Adjust Mode The following parameters can be adjusted through PC only for factory adjustment Adjustment data Maintenance record 5 5 Wired Clone Mode Turn the radio on while holding down the MONI after two seconds a beep sounds and red LED flashes indicating that the radio enters wired clone mode Operation 1 Press PTT to begin cloning and red LED flashes 2 Short out the clone mode points FCPY on PCB to enter factory clone mode 3 Disconnect the clone
34. 1F 53 NIN N 2 N 3001063320000 resistor 0603 3 3KQ J 1 4 2241 3001063320000 resistor 0603 3 3KQ J 1 3001063320000 resistor 0603 3 3KQ J 1 R24 2 2 3001063320000 1 217 218 3001063320000 219 3001063320000 resistor 0603 33KQ J 1 R99 220 3001063330010 Chipresistor0603 33 1 R 9 NIN 0 1 14 3001063320000 Chip resistor 0603 3 3KQ J 1 R247 3001063310010 Chip resistor 0603 3300 J 1 1 2 3C 3G 3F 2B 3F 2E 2E 2E 3B 4B 5B 2 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Bescipton Lo RefNo Adaress B 2 O 2 E E i B 3001065620000 Chip resistor 0603 5 6 D 1 3001065630000 Chip resistor 0603 56 J 1 1 gt E 3001065630000 Chip resistor 0603 56 J 1 1 3001066810010 resistor 0603 6800 J 1 1 R 5 3001066830000 Chip resistor 0603 68 J 1 1 2 B gt N IN IN IN ho SISIKIN 3001066830000 resistor 0603 1 B3 5 B5 3001068210010 res
35. 2 a ANT CF200 ANT SW RF AMP MIXER IF AMP AWA AF PA AMP maa A X3 MCU 1st Local OSC PLL Fig 2 a Receiver configuration 1 b Front end RF amplifier TC 365 The input signal of antenna is applied to RF amplifier 0122 after passing through transmit receive switch circuit and a 3 stage low pass filter The amplified signal is filtered through a band pass filter a 3 stage LC filter to eliminate unwanted signal before it is applied to the first mixer The voltage of varactor is provided by MPU IC3 See Fig 2 b HYV TC 265 365 SERVICE MANUAL CF100 ANTSW BPF RF AMP BPF MIXER MCF IF AMP AFPAAMP gp AF AMP IF MIX LPF HPF X5 TCXO multiply APC 1st Local OSC MCU Fig 2 b Receiver configuration 2 First mixer The signal from the RF amplifier is heterodyned with the first local oscillator signal from the PLL frequency synthesizer circuit at the first mixer to create a 38 85 MHz first IF intermediate frequency signal The first IF signal is then applied to two monolithic crystal filters to further remove spurious signal 3 IF amplifier The first IF signal is amplified by 0201 265 Q124 TC 365 and then enters IF processing The signal is heterodyned again with a second local oscillator signal within IF processing
36. 208 C206 C204 d
37. 25 5 Sin RIPPOUT N bo Fr d 107 55 m 27k 220 SST 092 chs e 3 C306 25 5343 92 ab AQ 33k 10p NJM2100V 9 01201 8303 R302 TA75WOIFU 201 2 a R123 si 0105 Ti 0103 2 ii i 0121 3 2 5 RIIO RIII 33K oR 2 124 Cas 13 PACA 7 MES AE x pus 2047 mE R130 C117 28 KIAGZ7SF Sos sa al Les MG Zr Gg AUDIO 304 C303 STS e 9 aS UMG3N N k R125 33k 0 047u 610 T de Sd S S E Q106 RAS VDD 33k 100 AME N oT 5 Col 264 330p T C136 tly sly om SIS o x 0010 7390k D C108 22K m Q101 8308 535 518 OLI RO GAL x10 gm gm x 2 10k 25 5343 SISCH 1 8 DTCIA4EE PT 73728 18415 m in 2 gt 2 a visi 2 a 5 7 T 820p 59 R613 5506 OUT o gt gt EN A n 169 74 47 4151 218 NJM2902 R Zenn La J cxi AUDIO sw als AUDIO AMP _ T 1000P AMP ACTIVE 2 0 STE oy 8 ACTIVE FILTER R69 8 FILTER C90 R86 00330 1 0220 N OD 47 LE 5 60 ase BST E RAS 5 OR 25 40 0119 24 8615 DTA144EE R611 S 2 9 Rw PAM BI 10014 Sr cae 208 10k
38. 805 60Q 25 1 3231351630000 inductor E2 0 35 1 6 3TR BaF 34 3231351630000 Air core inductor E2 0 35 1 6 3TR 5E 3 537 3231351630000 inductor E2 0 35 1 6 3TR 18 B4E 538 3231351630000 inductor E2 0 35 1 6 3TR Air core inductor E2 0 35 1 6 8TR 555 _ 4100365100200 TC368PCBFR4 1276 Trimmer capacitor 3 2 2 5 1 25mm E T T 3210306221000 Multi layer inductor 0603 220nH T B E B BAG N O e 1 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 No Description RetNo Address Trimmer capacitor 3 2 2 5 1 25 62 6 6 8002994730020 Trimmer resistor 3 3nm 47 0 1 1 4 4 4 3210306101000 Multi layer inductor 0603 100nH LQG1 L N 3210306150000 3210306220000 9 N 135 3213212102000 MultHayerinductor 1008 HUET 7 577 3221506601000 ferrite bead 0603 6000 25 13 578 3221506601000 Air core E2 0 35 1 6 4TL Air core inductor E2 0 35 1 6 4TL Air core inductor E2 0 35 1 6 4TL 600 3303020100020 Switching diode MA2811100LSS 1 0114 N N
39. AL Part List 1 TC 365 Part List 1 wl Description Lo RefNo Adress 3101060800010 Chip capacitor 0603 50 1 el s101060600010 Chipcapaoitor 0603 8 504711 O 510 91 TI B B2E 111 1919 N 368 3101060600010 capacitor 0603 6PF B 50V 3101060600010 capacitor 0603 6PF B 3101060600010 capacitor 0603 6PF B 16 N 3101060600010 capacitor 0603 6PF B B B2F B3 B2 2 4 N TI 3101060700020 Chip capacitor 0603 7 BSOV 1 3101060900010 capacitor 0603 9PF BSOV 1 374 3101061000000 O N N N amp ale B B 75 3101061000000 B2 B2C 377 3101061000000 capacitor 0603 1 B2F 378 3101061010010 capacitor 0603 100 J50 1 N HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Description Lo RefNo Address 3101061040010 Chip capacitor 0603 0 1UF K16 1 3101061040010 Chip capacitor 0603 01UF K16 1 ml 3101061040010 capacitor 0603 01UFK16 7 c1 a AJN TI N jo 3101061040010
40. C 30 SDA EEPROM data cable 31 SCL EEPROM clock cable 32 UL PLL unlock detector L unlock 33 DT Common data output 34 CK Common clock output 35 LE PLL IC H lock up 36 5MC Power control except for CPU and EEPROM L unlock 37 AFCO AF amplifier H unlock 38 RX TX RX VCO H receive 39 GLED Green LED control H light 40 RLED Red LED control H light 41 SAVE Battery save control H battery save OFF 42 MUTE mute control H mic squelch L AF squelch 43 5RC Receiver power control L unlock 44 5TC Transmitter power control H unlock 45 NC NC 46 NC 265 365 SERVICE MANUAL 47 NC 48 49 50 51 52 53 54 55 TSO AF signaling encode output 56 APC TX APC output RX tune output 57 VCC CPU power supply 5V 58 VREF Connect with 59 AVSS Connect with VSS 60 NC 61 L model set 62 MODE Additional mode L enable 63 NC 64 CTCSS CDCSS exterior circuit central input HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 Address R291 B3E R327 T2E R404 T2B R431 T4J R531 R539 R542 R710 T2 R714 T2C R826 R334 T2F R412 T3B R430 T4J R530 R537 R538 T5H R405
41. Contents Revision HISTOTy ceci etaed eoa ee alaan TES GON Calis indes aie tec bat tara lacu KA The AST ACE Radio 5252 2 sa n kansain Na SERRE oua a dap REPRISE DPI Circuit Description ers Ne SEN AEN nnn nnne tee en ira Wa suma a CPU AUTEM TC 265 Parts E en RE TC 365 Parts EECH GE Adjustment Disassembly for nee cae Exploded Gel EC 1 265 365 Parts List 2 onore chaine ben KNN NSN den EDD TC 265 PC Board severe eo i Pa EFE REX karisma kama e TC 365 PC VIEW hee es ENEE TC 265 Schematic nnn rnm nn TC 365 Schematic
42. R407 T2E R413 T2D R508 T3E R536 T5J R608 R703 TAI R713 R810 R811 R812 R814 R140 R511 T3F R516 T3 R601 R603 R605 T1B R701 T4H R146 T1H R323 T2 R325 T3A R341 T1F e ojo O O Ojojojoijojo ojojo N N 1 300105102001 2 300105102001 3 300105102001 4 300105102001 5 300105102001 6 300105102001 7 300105102001 8 300105102001 9 300105102001 300105102001 1 300105102001 2 300105102001 300105102001 4 300105102001 5 300105102001 6 300105102001 7 300105104001 8 300105104001 9 300105104001 40 300105104001 J ojo HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 No wenn bosonin Jay e 3001051240000 Chip resistor 0402 120 J 1 R509 Chip resistor 0402 1 5KQ J 1 300105152000 3001051530000 Chip resistor 0402 15 J 1 1 R526 300105153000 Chip resistor 0402 15KQ J 1 1 3001051540020 Chip resistor 0402 150KQ J 1 3001051540020 Chip resistor 0402 150 J 1 300105154002 300105154002 300105154002 z 300105162000 B 3001051820000 cnip resistor 0402 1860417 1 eo 3001061840000 Chip resistor 0402 180K0J17 Im 3001052230010 Chip resistor 0402 2260410 v el
43. a rS Sis amp x 5 6k D STS ET in gi REI m m 245 gia BFS 1000 235 MONI 249 ASS pus ii 1000p a lt R329 A A o 0 4 15 21 4515 2 T R DTC114EE DTCII4EE 47k SE 0400 olu gio ga MIS 35 R826 36 47 48 0 R73 re I 4 8503 8505 C318 68K 68K 54 AVSS 0 221 R413 C308 R316 1C30 0 033 Ses 5 BER 4 i 5600 301 24 R514 R815 IK 1400 270K VR500 68K 2 0502 1 500 12 J 5 R313 SE 0501 el 33k 28C5343 IKRA 022 ore Se 45 218 28 4617 8 53 0504 S m DTA143ZE 10U 63V 100K 180K R318 CHANNEL SWITCH each 3 AN E als R508 C507 pen C509 Trans Com 520 514 524 525 1500 POWER SWITCH 227015 2 Bua 33k 33k 33k 3 AUDIO VOLUM NIM2904 56 Sts Ik 3300p 29 0047 0 047u i Six 0027 701 702 C703 317 25 ol a E cs D g 2 702 C703 R703 R323 100k sns E 2 8 51 01 ST Nm th BOIU 209 217 915 oy 8525 C518 a th ou IK gt E lu 820 m 1 di St 519 1000 15k 0022 aie R530 d AUDIO MUTE SW 9042 d 815 R53 Assa 0502 1 4 76 3 EE 5 5343 m 2SK1824 763 t S 0500 5 2501 188372 DAN222 6800 TC 365 Schematic Diagram IP LSP C
44. a cao e 285 310105102001 31010102001 287 3101051020010 Chip capacitor 0402 1000 5 1 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 No Beste RefNo Address 358 capacitor osos PF esov Fasr capactor osos osPF B50 0 358 capactor 0503 05 0 359 s101067000000 Chip 0503 ioeF Sov 360 s101061000000 Cnip 0603 10PF 50 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 265 Part List 1 MaterialNo Description _ RetNo Address Faso s101061000000 Chip capacitor 0803 iprjsov as s101061000000 Cnip capacitor 0803 iprjsov 1 co 365 s101061010010 Cnip capacitor 0803 100PF450 1 2 Fase capacitor 0603 100PFJ50 1 395 3101081020000 18 capacitor 0803 1000PFKS 0256 1 1 397 3101081020000 capacitor 0603 1000PFK5 1 399 1 20000 capacitor 0603 1000PFK5 028 5
45. arks equipment 2 Communication ANT Frequency y analyzer stabilitys5PPM heck L 2 Receive VCO high frequency 2 xd adjustment Digital CV TC2 13 8 0 1 ST dix Release PTT Multi meter 1 PLL frequenc high frequency quency CO Digital g requency stability E 1 3 8 0 1 and VCO adjustment multi meter Press PTT lock Communication AF R 1 3 2 501 3 2 wideband 4 Transmit tone FILTER 12mvx3mv 1 5KHz narrowband deviation 0 3 3 4KHz adjustment and heck lt i j chec LPF 15KHz 1KHz 4 3KHz wideband Adjust at low 120mv lt 2 2 2 narrowband frequency HYV TC 265 365 SERVICE MANUAL SSG Adjust TC 201 Se TC 202 and 119dBm TC 201 Adjust undee at the TC 203 at MOD TC 202 scanner to the top center low and Freguency 1 203 with proper Wideband high frequency scanner DEV bandwidth narrowband at 2 RF BPF Receiver Communication 3 0KHz ANT PTT sign of center low and sensitivity can analyzer SPK upward low center high high frequency be tested in FILTER band MONI frequency is on the SINAD 12dB adjustment 0 3 3 4KHz left middle right of or higher mode the undee N respectively DEV 1 5KHz PTT 3 Squelch CONGR Communication SS ANT upward Adjust to close the level 9 low and hi
46. downwards Tone signaling is 1860Hz 9 Low battery alert Turn to any channel Adjust under maximum transmit power Adjust power supply voltage to 8096 of the rate voltage 5 8V Press PTT MONI so that red LED flashes Note 1 TC 265 365 radio has 16 channels Every four adjacent channels is a group There are four groups and they are marked as group 0 group 1 group 2 and group 3 respectively The channel frequency of each group is arranged as center low high and center frequency Channels of group 0 and group 1 are wideband and channels of group 2 and group 3 are narrowband You can adjust low frequency of CTCSS CDCSS CTCSS 67 0Hz CDCSS 023 at group 0 and group 2 and high frequency of CTCSS CDCSS balance CTCSS 250 3Hz CDCSS 754 at group 1 and group 3 2 If the radio destination is not included in the initial data table you can select VHF or UHF according to the frequency range and IF and initialize the radio data through PC programming software 5 3 PC Mode You can make the following settings via PC Refer to the following table for more details Machine serial number parameter General parameter User channel data Factory channel data only for factory adjustment Center low and high frequency only for factory adjustment 2 Tone frequency 5 Tone frequency Initial data only for factory adjustment Maintenance record Function Setting TC 265 365 SERVICE MANUAL
47. e This mode is used for the dealer to set the following modes All Reset Mode Manual Adjust Mode Wired Clone Mode All Reset Mode This mode is used to initialize the radio function settings channel data and destination and to enable disable manual adjust mode Manual Adjust Mode This mode is used for the factory or dealer to make the following adjustment frequency stability RX sensitivity squelch level transmit power CTCSS CDCSS deviation tone deviation and low battery alert reference value Wired Clone Mode This mode is used to transfer data from one radio to another by an interface cable Test Mode Spare HYV TC 265 365 SERVICE MANUAL 3 Keyboard Entry for Mode Startup Mode Key Remarks User Mode Conventional Turn the radio on to enter Power on conventional mode Connect the radio with You can program the radio via PC Mode through interface cable PC in user mode Short out the two SELF points while turning the radio Manual adjust mode is enabled Press PTT and MONI simultaneously to reset Press PTT for 3 seconds to disable manual adjust mode In this mode you can operate in Dealer Made Press PTT for 3 seconds while mode 10510010 men press PTT to enter submenu turning the radio on The radio PTTVIMONI Manual Adjust enters manual adjust mode if this to adjust upwards downwards Turn the
48. gh analyzer output SPK MONI squelch center low and frequency 116dBm down high frequency ward PTT 4 Squelch Communication ANT Adjust to close the level 3 low and high analyzer output SPK MONI center low and frequency 123dBm down high frequency ward Communication 5 Transmit Adjust at center analyzer upward 3 8WsPos4 5W Adjust at power low and high ANT MONI 1 lt 1 6 center low and frequency Digital ammeter down high frequency ward Adjust at center low and high frequency Adjust wideband at group 0 narrowband upward Difference of BE MON Widebana CTCSS CTCSS signal down 0 75KH7 50Hz deviation at 6 CTCSS 67 0Hz analyzer ward AA ANT center low and deviation the value Narrowband high 2 2 0 35KHz 50Hz freguency lt 50H group 1 and balance narrowband at VR500 group 3 CTCSS signal is 250 3Hz Adjust CTCSS balance at VR500 265 365 SERVICE MANUAL Adjust at center low and high frequency Adjust PTT wideband at group 0 a narrowband down Difference group 2 ward Wideband CDCSS 7 CDCSS CDCSS is 023 Communication 0 75KHz 50Hz deviation at deviation Save the value ANT center low and Adjust LPF 300Hz Narrowband high Adjust wideband at 0
49. gnaling appears 9 Talk Back Current 9 0 It s the current channel during scan Start Last Stopped 9 1 Its the channel where scan resumes during scan its the channel where scan is stopped during scan 265 365 SERVICE MANUAL Priority 9 2 5 priority channel during scan It s the Last Stopped channel where scan is stopped during scan Assignment 9 3 It s the assignment channel during scan It s Last Stopped the channel where scan is stopped during scan Last call 9 4 Its the latest channel at pause during scan Its the channel where scan is stopped during scan It s the channel where scan starts if scan never stops Last used 9 5 It s the latest transmit channel during scan It s the channel where scan is stopped during scan It s the channel scan starts if scan never stops 10 Assignme OFF 10 OFF You can select any channel as revert channel nt 1 16 ON 10 1 or talk back channel Channel 0 10 16 11 Squelch 0 9 5 11 0 Sguelch level is set higher as the figure Level step 1 11 9 increases 12 Time Out OFF 30 600s 12 OFF The maximum time of continuous Timer 60 12 30 transmission When OFF in order to protect step 10s power amplifier time of continuous 12 600 transmission is set as 10 minutes TOT Alert OFF 10 180s 13 OFF TOT off 13 Time OFF 13 10 The radio will call an alert at the set time step 5s 13
50. he air bag deployment area Air bags inflate with great force If a radio is placed in the air bag deployment area and the air bag inflates the radio may be propelled with great force and cause serious injury to occupants of the vehicle Turn off your radio prior to entering any area with a potentially explosive atmosphere Do not charge your battery in a potentially explosive atmosphere To avoid possible interference with blasting operations turn off your radio when you are near electrical blasting caps in a blasting area or in areas posted Turn off two way radio Obey all signs and instructions Do not expose the radio to direct sunlight over a long time nor place it close to heating source When using your radio hold the radio in a vertical position with the microphone 3 to 4 centimeters away from your lips If you wear a radio on your body when transmitting ensure that the radio and its antenna are at least 2 5cm away from your body TC 265 365 SERVICE MANUAL Radio Overview any e S A J 2 IS 123 22 CH pr 1 Mode User mode Turn on the radio to enter the mode PC mode Set and adjust radio data with PC software or programmer in this mode 2 Parts description 1 Antenna 2 Channel Selector Knob Turn the selector knob to select channels 1 S channel S can be programmed by dealer as scan function 3 LED Indicator Used t
51. istor 0603 8200 J 14 1 B3 54 3001068210010 B5 O1 WIN 55 3001068220000 resistor 0603 8 2KQ J1 dp P 257 3001068220000 Cnip resistor 0603 82KQ 1 R84 BK 258 ___ 3001068230010 Chipresistor060382KQ J 1 1 8806 NIN 4 3001065620000 resistor 0603 5 6 D 1 HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 3101051030020 Chip capacitor 0402 0 01UF K 2 C118 82 3101051030020 Chip capacitor 0402 0 01UF K 2 1 C403 T T 83 3101051030020 capacitor 0402 0 01UF K2 1 84 3101051030020 Chip capacitor 0402 0 01UF K2 1 85 3101051030020 capacitor 0402 0 01UF K2 1 3101051030020 capacitor 0402 0010 2 1 3101051030020 capacitor 0402 0010 2 1 N IN N O O O oO c T T T NIN IN IN IN 14 92 O O O O 92 TAI 3101051040060 capacitor 0402 0 1UF K 16 3101051040060 capacitor 0402 0 1UF K 16 3101051040060 capacitor 0402 0 1UF K 16 O N gt N O O gt 3101051040060 capacitor 0402 0 1UF K 16 T5E 4 2 2 3101051040060 capacitor 0402 0 1UF K 16 3101051040060 capacito
52. m is within the set range 2 RF BPF Adjust at center low and high frequency Adjust RF BPF at TC 201 TC 202 and TC 203 Pressing can adjust upwards downwards Receiver sensitivity can be tested in this mode 3 Squelch level 9 Adjust at center low and high frequency Pressing PTT MONI can adjust upwards downwards 4 Squelch level 3 Adjust at center low and high frequency Pressing PTT MONI can adjust upwards downwards 5 Transmit power Adjust at center low and high frequency Pressing PTT MONI can adjust upwards downwards 6 CTCSS deviation Adjust at center low and high frequency Adjust wideband at group 0 and narrowband at group 2 CTCSS signal is 67 0Hz Save the value Adjust wideband at group 1 and narrowband at group 3 CTCSS signal is 250 3Hz Adjust CTCSS balance at VR500 Pressing PTT MONI can adjust upwards downwards Adjust balance of CTCSS deviation at center low and high frequency HYV TC 265 365 SERVICE MANUAL 7 CDCSS deviation Adjust at center low and high freguency Adjust wideband at group 0 and narrowband at group 2 CDCSS is 023 Save the value Adjust wideband at group 1 and narrowband at group 3 CDCSS is 754 Adjust CDCSS balance at VR500 Pressing PTT MONI can adjust upwards downwards Adjust balance of CDCSS deviation at center low and high frequency 8 2 Tone 5 Tone deviation Turn to any channel Pressing PTT MONI can adjust upwards
53. o indicate operation status of the radio Different LED status indicates different operation status of the radio See the following table 265 365 SERVICE LED Red LED glows Indicates Transmitting Red LED flashes Green LED glows Low battery Monitoring or receiving Orange LED glows Transmitting 2 Tone 5 Tone signaling Orange LED flashes 2 Tone 5 Tone standby 4 Radio On Off Volume Control Knob MANUAL Rotate the knob clockwise to turn the radio on rotate the knob fully counter clockwise until a click is heard to turn the radio off Turn the knob clockwise to increase the volume or counter clockwise to decrease the volume b Speaker 6 Microphone 7 PTT push to talk Press and hold PTT to talk release to receive 8 Monitor Key Press MONI key to monitor activities on the current channel 9 Speaker Microphone Jack 10 Belt Clip 11 Battery 12 Battery Latch HYV TC 265 365 SERVICE MANUAL Radio Modes 1 Frame of Radio Modes Select the function from the modes and make settings according to your needs Conventional Mode PC Mode All Reset Mode Manual Adjust Mode Wired Clone Mode 2 Description of Mode Functions Dealer Mode Mode Function Conventional Mode This mode is used for normal operation PC Mode This mode is used to read write parameters from to the radio and to make settings via PC Dealer Mod
54. p 2224 I 02 EI 2025 141221 Gi gt gC Z R 5 N Ecc eg EE ES Cal SE ge E De e E 3 S e 923 o gizo Sus Ea N d 6028 EE 1573 x 2417 132 2 21 e sg amp m e TDI el N E OSH S tozi Bea TR N IN 638 8 On 1920 2648 969 8205 Ba ES 5 etr 2 C b 23 cory 5 78 ka 2 gt 008 mg S mg ier Boa Giri 10 4 ord Bova e 0 18 9278 El K 6902 21 99 CR ot Eug o seu 53 Ene EE Jo e 6496 21
55. r 0402 0 1UF K 16 94 3101051040060 Chip capacitor 0402 0 1UF K 16 N N N O 00 gt N 95 3101051040060 T2 T2 297 3101051230000 Chipcapacitoro4020 012UFK T2A 298 3101051800010 Chip capacitor 0402 18 J50V 1 C307 N O1 O K gt HYV TC 265 365 SERVICE MANUAL Part List 1 TC 365 Part List 1 wl Description Lo RefNo Adress T 3101054710010 Chip capacitor 0402 470F 1 3101054710010 Chi capacitor 0402 arope 50 1 3101054710010 capacitor 0402 a70PFKS0 1 O N O O w o o o N m Nm IN 1 N D O N T B 4 328 3101054710010 Chip capacitor 0402 470 K 50 3101054710010 Chip capacitor 0402 470PF K 50 O N O N O O O 331 3101054730000 capacitor 0402 0 047UF K 1 0117 334 3101054730000 T2 O O O O ech e N O N TI 35 3101054730000 T2 T2 337 3101054740000 Chipcapacitoro402047UFZO 1 C TIE 338 3101056820000 Chip capacitor 0402 6800PF K2 1 C404 o Q o O O i T 3 3101054710010 Chip capacitor 0402 470PF K 50 T HYV TC 265 365 SERVICE MANU
56. set mode and then enter other modes HYV TC 265 365 SERVICE MANUAL 5 2 Manual Adjust Mode In this mode the factory or the dealer can adjust the radio parameters in menu mode Operation Turn the radio on while holding down the PTT three beeps sound after 2 seconds and green LED flashes Release PTT a beep sounds and orange LED glows indicating that the radio enters manual adjust mode 1 In the main menu turn channel selector to select adjustment items Press PTT to enter the submenu 2 In the submenu use channel selector to select among center low and high freguency or narrowband wideband Press PTT to transmit or adjust upwards and press MONI to adjust downwards 3 After complete a setting hold down MONI and then press PTT in 2 seconds a beep sounds and orange LED glows The setting values are saved and the radio returns to the previous menu Press PTT MONI more than 2 seconds to adjust setting values upwards downwards Turn the radio off to cancel the setting 4 CH1 CH9 are defined as follows Note Freguency stability and VCO lock voltage should be adjusted before your adjustment to ensure the reliability of the adjustment 1 Freguency stability and VCO lock voltage Adjust at center frequency CH1 Press PTT to switch between transmit and receive Adjust frequency stability at VR1 receive VCO at TC2 and transmit VCO at TC1 Turn to low frequency CH2 and high frequency CH3 to check that the ite
57. ted by 4 265 Q141 TC 365 in transmit mode and TC 265 Q142 TC 365 in receive mode The oscillator frequency is controlled through applying the VCO control voltage which is obtained from the phase comparator to the varactor diodes The T R pin is set high in receive mode causing Q5 and Q7 to turn Q4 off and turn on TC 265 Q140 Q138 to turn Q141 off and turn Q142 on TC 365 The T R pin is set low in transmit mode The outputs are amplified by Q6 265 Q139 TC 365 sent to the buffer amplifiers 3 Unlock Detector If a low level signal appears at the LD pin of PLL IC an unlock condition occurs and the DC voltage obtained from D7 R2 TC 265 D114 R501 TC 365 and PLL IC causes the voltage applied to the UL pin of the microprocessor to go low When the microprocessor detects this condition the transmitter is disabled ignoring the push to talk switch input signal See Fig 5 5C AH PLL IC 1 MPU Fig 5 Unlock detector circuit 4 Transmitter 1 Transmit audio The modulation signal from the microphone is amplified by 500 TC 265 IC1 TC 365 1 2 and then passes through a pre emphasis circuit and a 3KHz low pass filter The resulting signal goes to the VCO for direct FM modulation See Fig 6 HYV TC 265 365 SERVICE MANUAL 2 CTCSS CDCSS encoder A necessary signal for CTCSS CDCSS encoding is generated by MCU and FM modulated to the PLL IC reference signal Since
58. y 5M for the control circuit is derived from an internal battery This reference power supply is used to provide a 5V supply in transmit mode 5T a 5V supply in receive mode 5R and a 5V supply common in both modes 5C based on the control signal sent from the microprocessor 6 Control system The MCU operates at 7 37MHz This oscillator has a circuit that shifts the frequency according to the EEPROM data 4 265 365 SERVICE MANUAL CPU control M38034M4 Pin No Port name UO Function 1 TI CTCSS CDCSS input 2 BUSY Input busy signal 3 BATT Detect battery voltage 4 NC 5 Output CTCSS CDCSS 6 BEEP output 7 8 Input encode 9 ENC1 Input encode 10 ENC2 Input encode 11 ENC3 Input encode 12 TSI AF signaling decode input 13 PTT PTT input connect with RXD 14 TXD 5 232 15 RXD RS 232C input 16 MONI MONI input 17 SELF L set up model 18 CNVSS 55 19 RST Reset input 20 INTO Power detection 21 NC 22 Oscillator 7 3728 2 23 Oscillator 24 VSS Grounding 25 SHIFT Clock frequency shift H enable 26 PABC MOS FET power H enable 27 WNRC Audio reference sensitivity L narrow 28 WNTC Max deviation control H narrow 29 N

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