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Service Manual TTI TCB-1100 (www.cbradio.nl)

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3. 173 142 151J 000 CHIP RES 0603 1500HM 5 SAMSUNG PHILIPS 1 00 CHIP RES 0603 220KOHM 5 PHILIPS 100 res 9 9 7 7 142 471J 000 CHIP RES 0603 4700HM 5 PHILIPS H 78 142 472J 000 CHIP RES 0603 4 7KOHM 5 PHILIPS 79 142 473J 000 CHIP RES 0603 47KOHM 5 PHILI U H 142 681J 000 CHIP RES 0603 6800HM 5 PHILI CHIP RES 0603 6 8KOHM 5 PHILI P RES 0603 82KOHM 5 PHILI 83 212 100C 6J0 CHIP CERAMIC CAP 0603 NPO 50V 5 PHILIPS 84 212 104B 3K0 CHIP CERAMIC CAP 0603 0 1UF X7R 16V 4 10 PHILIPS 85 212 220C 6J0 CHIP CERAMIC CAP 0603 22PF NPO 50V 5 PHILIPS 1 P 9 92 142 682J 000 CH H U 82 142 823J 000 C H H 7 221 106h Mo0 CHIPTANTAL GAP our ova SUE IO 305 0101 000 c 305 0404 100 c 8 8 P TR SWITCHING SOT 23 P TR KRC101S SOT 23 P TR KRC404 KEC CPU OTP HD64F38124WV RENESAS 92 IC EEPROM AT24C16N 10SI 2 7V ATMEL 93 DIODE ZENER Z02W3 0V SOT 23 KEC 94 LED DUAL GREEN AMBER BL HJCGK36J TRB BRT LED 95 CHIP LED BLUE AOT 0603P B01 V BLUEWIZ LCD SDM8A4971B SANTECH 97 CRYSTAL 3 6864MHZ HC 49 S DTRON 500 1100 100 LCD PCB FR 4 2 LAYER 1 67 LCD BACKLIGHT PCB L 200 LCD BACKLIGHT PCB R 201 B TO B CONNECTOR F127 F 08DSG SMD FINE CONNECTOR SWITCH TACT KFC 821 GABOU 07 zEBRA SILICONE 38 2x7 91x1 0T INA SILICONE 38 2x7 91x1 0T 1
4. 0603 2 2KOHM 5 PHILIPS 9 0 R173 R206 R246 R249 R351 R356 R404 R453 R112 R131 R152 R153 R172 R201 R227 R229 R232 EN 142 223J 000 CHIP RES 0603 22KOHM 4 5 PHILIPS 14 00 8247 R250 R300 R312 R406 R446 R447 111 126 8176 R208 R304 R365 R401 aas 9 EN 7 I El 32 142 472J 000 CHIP RES 0603 4 7KOHM 5 PHILIPS 10 0 Ri11 R126 R176 R208 R304 R365 R401 R403 R433 42 473J 000 CHIP RES 0603 47 5 PHILIPS 14 00 E iba ns Eds 5 33 142 474J 000 RES 0603 470KOHM 5 PHILIPS 6 00 R117 R142 R188 R189 R314 R364 34 142 563J 000 CHIP RES 0603 56KOHM 5 PHILIPS 5 00 R103 R136 R233 R235 R239 35 142 682J 000 CHIP RES 0603 6 8KOHM 4 5 PHILIPS 00 R115 36 142 683J 000 CHIP RES 0603 68KOHM 5 PHILIPS 00 R137 37 142 823J 000 CHIP RES 0603 82KOHM 5 PHILIPS 00 R166 38 142 824J 000 CHIP RES 0603 820KOHM 5 PHILIPS 2 00 R397 R414 39 162 102V 000 TRIM POTENTIOMETER WS0612 B102 000 G36 CTR 00 CTR RV106 40 162 103 000 TRIM POTENTIOMETER WS0612 B103 000 G36 CTR 00 CTR RV101 41 162 104 001 TRIM POTENTIOMETER WS0612 B104 000 G36 CTR 3 00 CTR RV100 RV103 RV104 42 162 222V 001 TRIM POTENTIOMETER WS0612 B222 000 G36 CTR 00 CTR RV102
5. 2 External Speaker Jack 3 5mm 3 External S meter Jack 2 5 mm 4 Microphone Connector 6 pin Type of emission AM A3E FM F3E Receiver Audio Control Volume With Power ON OFF Control Squelch Control Volume With DSS ON OFF Control TTI 2009 02 20 TCB 1100 Circuit Description Page 4 2 3 Frequency Table Channel Frequency MHz Channel Frequency MHz 1 26 965 21 27 215 2 26 975 22 27 225 3 26 985 23 27 235 4 27 005 24 27 245 5 27 015 25 27 255 6 27 025 26 27 265 7 27 035 27 27 275 8 27 055 28 27 285 9 27 065 29 27 295 10 27 075 30 27 305 11 27 085 31 27 315 12 27 105 32 27 325 13 27 115 33 27 335 14 27 125 34 27 345 15 27 135 35 27 355 16 27 155 36 27 365 17 27 165 37 27 375 18 27 175 38 27 385 19 27 185 39 27 395 20 27 205 40 27 405 2 4 RF Power Output AM 4 0 W FM 4 0 W 2 5 DC Iinput Voltage and Current with 13 2V DC Input to Power AMP Transmitter Power Amp Voltage 12 0 V Current 900 mA Transmitter Driver Amp Voltage 12 0 V Current 130 mA 2 6 Receiver IF and Local Oscillator Frequencies First IF 10 695 MHz Second IF 455 KHz First Local Oscillator 10 695 MHz Upper Receiving Frequency Second Local Oscillation 10 240 MHz TTI 2009 02 20 TCB 1100 Circuit Description Page 5 3 Semiconductors and Function 3 1 Transistor Ref No Description Manufacturer Functio
6. 00 KEC Q113 Q122 Q125 Q127 Q152 Q154 01 305 0102 000 CHIP TR KRC102S SOT 23 KEC 00 KEC Q145 02 305 0110 000 CHIP TR KRC110S SOT 23 KEC 00 KEC Q131 03 305 0111 000 CHIP TR KRC111S SOT 23 KEC 7 00 KEC Q117 Q118 Q132 Q133 Q146 Q147 Q151 04 305 0112 000 CHIP TR KRC112S SOT 23 2 00 KEC Q110 Q112 05 305 9101 000 CHIP TR KRA101S SOT 23 00 KEC Q153 06 311 1610 000 POWER FET RD16HHF1 MITSUBISHI 00 MITSUBIS Q138 07 331 0324 A02 IC OP AMP KIA324F KEC 2 00 KEC IC 14 IC5 08 331 0358 A00 IC OP AMP KIA358F KEC 00 KEC 2 09 332 2003 000 AUDIO TDA2003 ST 00 ST IC3 10 333 2576 A00 IC REGULATOR KIA2576FPOO SMD TYPE KEC 1 00 KEC IC11 11 335 7152 A00 IC PLL LC7152NM SANYO 00 SANYO IC4 12 336 5019 A00 IC IF SL5019 AUK 00 DAYTRONICS IC1 13 33C 0138 A00 IC CTCSS CMX138 CML 00 CML IC8 14 33C 2576 A00 IC DD CONVERTER KIA2576PI00 1 00 1 00 16 340 0230 A00 DIODE ZENER Z02W3 0V SOT 23 KEC 2 00 D106 D122 40 0256 A00 DIODE ZENER Z02W5 6V SOT 23 KEC 1 00 4 41 0251 A00 DIODE VARICAP KDV251S SOT 23 4 00 SCHOTTOKY DIODE SMAB33 KEC 342 0181 A00 CHIP DIODE SWITCHING KDS181 SOT 23 KEC 100 bar ET 23 CHIP DIODE SWITCHING KDS226 SOT 23 KEC 5 00 25 343 1060 000 DIODE 1N60 2 00 07 D109 i ila x 7 CRYSTAL 4 5MHZ HC 49S R49SDA 004500 FA 12 30 TA YOKETAN 02 CRYSTAL FILTER 10 695MHZ 49T 3L 10L08A DTRON 1 00 DTRON xrto FR 132 400 0019 000 TRANSFORMER CHOC
7. 0603 0 10 16V 10 PH 81C 6J0 C P 0603 180PF NPO 50V 5 PH soo C102 C179 C186 C205 C229 C404 C428 C430 C116 C121 C123 C124 C125 C126 C129 C135 C143 C152 C163 C171 C204 C234 C239 C245 C301 C302 C306 C351 C353 C356 C358 C364 C416 C417 C422 10 C130 C133 C134 C136 C139 C142 C144 C151 36 00 54 C155 C156 C162 C169 C206 C231 C235 C240 248 C252 C342 C343 C402 C405 C407 C408 C410 411 C412 C413 C414 C421 C424 C426 C427 C433 2 00 P 0603 22PF NPO 50V 5 PHIL 2 220C 6J0 C 2 00 2 221C 6J0 C N N 4 00 C254 C333 C222 C242 C249 C309 C319 C332 H H H P 0603 220PF NP0 50V 5 PH H H 2 223B 3K0 CHIP CERAMIC CAP 0603 0 022UF X7R 16V 10 PHILIP 5 00 46 C167 C173 C178 C403 12 224B 3K0 CHIP CERAMIC CAP 0603 0 22UF X7R 16V 10 PHILIPS 4 00 70 C175 C376 C379 T P 0603 39PF NPO 50V 5 PHIL 2 00 2 273B 3K0 CHIP CERAMIC CAP 0603 0 027UF X7R 16V 4 10 PHILIP 1 00 C439 14 C241 P 0603 390PF NPO 50V 5 PH 3 00 323 C325 C326 66 67 68 69 70 71 72 73 74 75 76 79 P 0603 47PF NPO 50V 5 PHIL H H H H H H 2 473B 3K0 CHIP CERAMIC CAP 0603 0 047UF X7R 16V 10 PHILIP P 0603 0 47UF X7R 16V 10 P 8 00 C C101 C106 C109 C113 C132 C246 C253 C305 2 471C 6J0 CHIP CERAMIC 0603 470PF NPO 50V 5 PHILIPS x 00 C118 C313 71 90 6141 C164 165 0166 C226 C310
8. 43 162 223v 001 TRIM POTENTIOMETER WS0612 B223 000 G36 CTR 00 CTR RV107 44 172 102J 000 THERMISTOR 0603 1KOHM 18XQ102JOSRB MURATA 00 MURATA 45 172 103J 800 NTC THERMISTOR 10KOHM NCP18XH103J03RB MURATA 00 MURATA TH2A 46 201 2272 00 ELECT CAP 220UF 10V 5x10 KOSHIN 00 KOSHIN C425 47 202 1059 00 ELECT CAP 1UF KR1 16V010MA 5x11 DONGXIANG 00 DONGXIANG C168 48 202 1065 00 ELECT CAP 10UF 16V 4x7 20 6 00 C147 C182 C203 C354 C372 49 202 1070 01 ELECT CAP 100UF 16V 5x11 KOSHIN 9 00 KOSHIN C120 C137 C250 C300 C352 C357 C377 C401 C432 50 202 1080 M00 ELECT CAP 1000UF 16V 8x16 KOSHIN 5 00 KOSHIN C181 C184 C185 C359 C362 51 202 2249 M00 ELECT CAP 0 22UF KR1 16VR22MA 5x11 DONGXIANG 1 00 DONGXIANG c138 52 202 4759 M00 ELECT CAP 4 7UF KR1 16V4R7MA 5x11 DONGXIANG 1 00 DONGXIANG c255 53 202 4769 M00 ELECT CAP 47UF KR1 16V470MA 5x11 DONGXIANG 4 00 DONGXIANG 153 C202 C355 C415 54 5 a EJ 61 N 204 4770 00 ELECT CAP 470UF 35V 10x16 vo Bs 212 010C 6C0 CHIP CERAMIC CAP 0603 1PF NPO 50V 0 25 P H LI H El 51 H 212 101 6 0 CHIP CERAMIC CAP 0603 100PF NPO 50V 5 PHILIPS 9 0 c115 C223 C224 C225 C243 C244 C307 C329 N 1 02B 3K0 CHIP CERAMIC CAP 0603 0 001UF X7R 16V 10 PHILIPS 03B 3K0 CHIP CERAMIC CAP 0603 0 01UF X7R 16V 10 PHILIPS N 1 N 1 CAP
9. 5006 se SERAL no san a 28 87 0001 000 opp rave nion 99 200 s2s 0051 001 cun CORD scono 1SHELDANE tod 2 1 1 2 2 3 1 0 0 250 25 55 65 SCREW TAP 5X12L 1S ZN PLATING TH 1209 545 0253 000 LEAD WRE YELLOW 2 2 Tomm AWG28 167 120 1205 s01 1108 100 Jonmen TACT wro seronsoun 3 Enum non sesso E pe ac nen e _ o su TT neoan 307 9 11997 CUSHION SPK20X24X8 0T 1SIDE DOUBLE TAPEJEVA SPONGE 10 BONSO 308 FUN mic SPONGE 30X7XST NO TAPE EVA SPONGE BLACK BEE ii Re r di SECTION 4 MECHANICAL DISASSEMBLY PART NAME DESCRIPTION QTY Bracket set W REMARK N BsBm Ni Ploted cryl gt NN Double tape 22 Block Q4 1 7x0 2t SPTE 0 34 ic connector ord stopper asher for Ant connector ut for Ant connector crew mach 2 6x5L Ni plated FH 3 Ni plated 3 SS41 Ni Plated r ee 2 po E LCD Bracket SPTE 0 4t r p SEE For Bracket fe eet rss For main pcb gt 5 et i 3 3 2 lt un O U 555 Y o x 1 or Moin bod 2 1 U 7 A 4 A 0 44 SPTE 0 4t M3xSL tatite BH Ant connector i Zi M3x10L
10. C311 C312 C321 00 2 560C 6J P 0603 56PF NPO 50V 4 5 PHILI 22 2 680C 6J P 0603 68PF NPO 50V 5 PHILI N 2 681C 6J P 0603 680PF NPO 50V 5 PHI 4 gt P 0603 82PF NPO 50V 5 PHIL P CERAMIC CAP 0603 820PF NPO 50V 5 PH 2 820C 6J 2 821C 6J 221 2243 00 TANTAL CAP 0 22UF 10V A SIZE 20 H H H H H P 0603 0 068UF X7R 16V 10 H H H H 221 2254 M00 CHIP TANTAL CAP 2 2UF 16V A SIZE 20 22D 101C J00 DISK CAP CC1HCH101J 100PF 50V 5 SAMIL 22D 470C J00 DISK CAP 47PF 50V 4 5 230 2000 000 DIP TRIMMER CAP 6DIA 20PF KCVN620 FOKITS FOKITS 300 0211 000 CHIP TR KTK211GR KEC KEC Q102 Q103 300 1504 000 CHIP TR KTA1504S SOT 23 KEC Q116 Q120 300 1505 100 CHIP TR SWITCHING SOT 23 15055 KEC Q141 300 3875 000 CHIP TR SWITCHING KTC3875S SOT 23 KEC Q107 Q108 Q109 Q111 Q119 Q142 Q144 300 3880 000 CHIP TR KTC3880S SOT 23 KEC Q114 Q115 Q129 Q130 Q134 Q135 96 301 4226 000 CHIP TR RF 28C4226 R24 NEC NEC Q101 Q128 97 302 1241 000 TRANSISTOR KTA1241 KEC 00 KEC Q121 98 302 2314 000 25 2314 SANYO 00 SANYO Q136 99 302 3205 000 TR DIP TYPE KTC3205 KEC 00 KEC Q143 00 305 0101 000 CHIP TR KRC101S SOT 23 KEC 6
11. counter Coupler e Modulation meter Page 14 Step Setting Connection Adjuster Adjust for 1 RF Power Adj Connect dummy load and RF Maximum Channel 19CH Power Meter to the EXT ANT L701 indication on Function AM or FM Mode connector on the set Figure 3 the Power L703 Meter 4 0W MIC Transmit If indication is Volume Optional not in 4W Squelch Optional range ACP Adjustment R V104 2 Frequency Adj Connect dummy load and CTI Be sure that Channel amp Frequency Frequency Counter through the indication 19CH 27 185 MHz Coupler to RF Power Meter of the Function AM or FM Mode Connect RF Power Meter to transmitter EXT ANT connector on the frequency is Mic Transmit No Mod set Figure 2 27 185MHz Volume Optional 300 Hz on Squelch Optional the Frequency Counter 3 AM Modulation Adj Connection the audio RV102 80 9096 Channel amp Frequency generator set to 1 KHz to the 19CH 27 185MHz microphone MIC Transmit Connect the modulation meter Function AM Mode through the RF attenuator to the ANT Connector Adjust Volume Optional the audio signal level to obtain Squelch Optional by 50 modulation When you increase the audio signal by 20 dB the modulation should not exceed 90 Modulation Figure 3 TTI 2009 02 20 TCB 1100 Circuit Description Page 15 4 FM Deviation Adj Connection the audio RV107 1 8KHz Channel amp Frequency generator set to 1 KHz to the
12. in FM Mode Audio Output Power 2 0W 8 Ohm Audio Distortion Less then 8 1KHz Image Rejection 60 dB Adjacent Channel Rejec 60 dB tion Less than 57dBm Conducted Spurious 300 to 2500Hz Frequency Response 8 Ohms round Built in Speaker Adjustable Threshold less than 1 microvolt DSS Less than 2 microvolt SECTION 2 CIRCUIT DESCRIPTION 2 4 2 6 4 1 4 2 4 3 4 44 4 5 4 5 2 5 5 1 2 5 2 5 2 2 5 3 5 3 2 General Receiver Transmitter Technical Description General Type of emission Frequency Table RF Power Output DC input Voltage and Current with 13 2V DC Input to Power AMP Receiver IF and Local Oscillator Frequencies Semiconductors and Function Description of Frequency Determining and Stabilizing Circuit Introduction Basic Synthesis Scheme Descriptions of Each Block Introduction Reference Frequency VCO Programmable Divider and Its Control Phase Detector and VCO Control Transmitter Receiver Buffer AMP Transmitter Buffer Amp Switching of Turning Capacitor in VCO Receiver Local Oscillator Outputs Frequency Stability Description of other Circuits Transmitter Receiver Test Equipment Setup and Test Procedure with Alignment Instructions General Section Test Procedure with Alignment T ransmitter Section Test Procedure and Alignment at TX Receiver Section Test Procedure and Alignment at RX TCB 1100 Ci
13. 104 100 292007 Lem AFN OUTD 1 dcm em 5 Tem 022 18 RUS ca roles 902 Lo 1000 16 EE 10 KTKZIIOR F 9 pe i or cus um 202 47 17 2 1000 18 sv s560 0r c Tot 8 asses ds 2811 103 R179 225 3 AN Krems 8176 3 100 5 y V ce kov2s s L I 186 SRBI 1204 102 Foen 28 co 5 EU GY pa T a TRA eM PWR LOW 1 0 E 205 oos 55 sectors KT038758 T i KDV2515 13 5 0108 E A i 220K NA Te enel ios 0204 Zum 0135 106 T 7 103 prot IK 1637 05226 RIN 15K 4277 1 2 8 TEST POINT a ss eau 241165 4 corsa 165 our I To i BE mo as 5 A ong 25 5d 5 300 S METER DET ens Tom THEL T Losas skis 2snas ONE e VA AL T 7 vs mw om ons p 7 le vola 2 309 el L CH 239 A SW 1229 1704 0312 3 ons mi c omg TU L SIT TA g 70 2 ci 3 0136 330P 2SC2314F C REG_8 8 2V1 330K R395 220K n REG_BFLB 2V1
14. 2 0KHz 19CH 27 185MHz microphone MIC Transmit Connect the modulation meter Function FM Mode through the RF attenuator to the ANT Connector Adjust Volume Optional the audio signal level to obtain Squelch Optional by 1KHz deviation When you increase the audio signal by 20 dB the deviation should not exceed 2 0KHz deviation Figure 3 Frequency Counter Figure2 RF Power ANT Connector Meter upply Modulation Meter Figure 3 Audio Generator TTI 2009 02 20 TCB 1100 Circuit Description 5 3 Receiver Section 5 3 1 Test Equipment Required e Standard Signal Generator SSG DC power supply 13 8V 3A AC Level Meter e Distortion Meter Oscilloscope e SINAD Meter e 8 ohm Dummy Load 5 3 2 Test Procedure with Alignment Page 16 Step Setting Connection Adjuster Adjust for 1 AM Audio Output Adj Channel amp Frequency 19CH 27 185MHz MIC Receive Connect RF Signal Generator to EXT ANT Connector Connect AC Level Meter and Distortion Meter and SINAD L101 L103 L104 L105 Maximum indication on AC Level Meter Reduce Function FM Mode SSG 27 185MHz 1KHz 100uV 1 2KHz Dev Volume Full clockwise Squelch Full clockwise clockwise Meter across EXT SPK jack with 8 ohm Dummy Load Figure 5 Function AM Mode Meter across EXT SPK jack L107 output from with 8 ohm Dummy L108 SSG until the Volu
15. 206 722 7997 WHITE SHEET 64 20x23 20x0 1T 210 540 0607 000 WIRE HARNESS PH 6PIN TO OPEN UL1007 NO 26 L 70mm 541 0166 002 CONNECTOR SOCKET FD MIC6PIN F NINGBO 47 0415 000 HEAT SINK TUBE DIA4 0MM X 15MM 570 0901 001 RO9710NS KQ15A6 0 A103 015 CTR 5A0 1100 300 SQUELCH PCB ASS Y TCB1100 500 1100 300 PCB SQUELCH FR 4 2 LAYER 1 07 570 0902 001 VR R09710N0 KQ15A6 0 3B103 015 CTR 00 400 CHANNEL PCB ASS Y TCB1100 500 1100 400 PCB CHANNEL FR 4 2 LAYER 1 01 560 9017 000 SW ROTARY TP90N17AE20 15SK TOCOS 00 01100 COVER ASS Y TCB1100 220 ADO 2 520 4500 000 SPEAKER 45PHI 4 4W UPPER COVER SPC 0 8T BLACK UV COATING 21 223 0211907 BOTTOM COVER SPC 0 8T BLACK UV COATING 228 ILLUMINATOR VOL ACRYL CLEAR 229 11007 ILLUMINATOR CH ACRYL CLEAR 00 0 230 ILLUMINATOR SQ ACRYL CLEAR 7 CH KNOB ABS BLACK COLOR Q KNOB ABS BLACK SPRAY a a KEYPAD SILICONE NATURAL PU SOFT COATING 234 09 499095 SCREW MACH M2 6XSL Ni PLATED FH N H 712 M70NI 001 RING NUT BsBm Ni PLATING 236 SPK FELT MESH BLACK 41 7 0 12 237 9 997 WINDOW 2X18X0 15T 3M ONESIDE DOUBLE 238 TV MAIN BODY ASSY TCB1100 239 543 1600 000 POWER CORD 2PIN PLUG ASS Y UL1015 16 CABLE KTA1505S Y KEC N SI a gt 218 219 A zm Rss 2 7 De he e De qe
16. 5 Ph I AT TUNE Zu PME D100 D102 lt SW Q114 Q116 D107 ya POWER AMP IC3 5 BUFFER MIC AMP VOX AMP 9130 A L C AM MOD TRANS 3 5 JACK vco RV102 2e D109 101 0145 0121 gt 2202 0119 0120 D108 D126 LOOP FIL 00128 0129 AM MOD ADJ D112 D113 ZR 12V B 1 2 5 JACK lt S METER VCO SW Q125 D103 RF DRIVER L P F 0127 0104 ZN 0136 L711 L714 SHIFT REGISTER AF MUTE IC10 AM FM SW SPEAKER IC5 D116 D117 J501 gt FM MOD FM MOD ADJ 5V REGULATOR RV107 Q144 LCD LIGHT LIGHT SW pris D1 D20 91 95 lt A Main 12v inc Regulaator PWR SW lt KEY PAD N TUNE V IC11 D120 2 5V B SW4 SW9 METER SQ OUT EEPROM VOX DET PTT SW Ic13 SQ IN 8 2V TX RX SW Vo REGULATOR 0141 0143 0143 119 LOGIC UNIT SECTION 7 SCHAMETIC RX OUT gt AFNUN R
17. EC RX B Q141 KRA1504S KEC TX B Q144 KTC3875S KEC 5V Regulator Q147 KRCIIIS KEC TX Call SW TTI 2009 02 20 TCB 1100 Circuit Description Page 6 Ql KTA1505S KEC Back Light LED Control Q2 015 Back Light LED Control Q3 015 Back Light LED Control 04 015 Back Light LED Control Q5 KRC110S KEC Back Light LED Control 3 2 Ref No Description Manufacturer Function ICI SL5019 AUK IF IC IC2 KIA358F KEC AGC Squelch Control IC3 TDA2003 ST AF Power Amplifier IC4 LC7152NM SANYO PLL IC5 KIA4558F KEC FM TX AF IC8 CMX138 CML Tone IC IC10 4094B Rohm Shift Resistor IC11 KIA2576 KEC SwitchIng Power Supply IC12 H8 38124 Renesas CPU IC13 AT24C16 ATMEL EEPROM IC14 KIA324 KEC Auto SQ Amp DSS 3 3 Manufacture Information KEC Co LTD SANYO SANYO Semiconductor Co LTD TOKO TOKO Inc TOSHIBA Toshiba Semiconductor Co LTD ATMEL ATMEL Co LTD NEC NEC Semiconductor AUK Semiconductor Rohm Rohm Co Ltd Renesas 444444 Renesas Tech Nology Corp TTI 2009 02 20 TCB 1100 Circuit Description Page 7 4 Description of Frequency Determining and Stabilizing Circuit 4 1 Introduction The Frequencies for transmitter and receiver first local frequencies are all derived from a signal 4 5MHz crystal by mean
18. K T1 FINE 1 00 NE 133 400 0028 000 TRANSFORMER El 28 MOD T2 FINE 1 00 NE TROIDAL COIL 13X100UH 0 6X64T 100 FINE COIL SPRING 2 5X0 8X7T 0 11UH FINE COIL SPRING 5X0 6X13 5T R 0 5UH FINE 1 00 FINE COIL SPRING 6X0 8X5T R 0 225UH FINE 1 00 FINE de COIL 28MHZ RX22 FINE FINE FT COIL 10 7MHZ RX B RX3 FINE FINE FT COIL 16 5MHZ VCO VCO1 FINE FINE FT COIL 16 5MHZ VCO11 FINE FINE L301 FT COIL TX 30MHZ TX11 FINE FINE L701 FT COIL TX 30MHZ TX22 FINE NE L703 FT COIL DETECTOR 455KHZ RX4 FINE F L109 FT COIL 455KHZ B RX5 FINE F L110 COIL AXIAL 1 5UH AL0305 MATSUTA L102 L106 COIL AXIAL 1UH ALO305 MATSUTA COIL CHOCK 6UH BOBBIN CORE L111 MAIN PCB FR 4 2 LAYER 1 6T SWITCH G5V 1 9V RELAY RE1 RE2 lbs 169 142 103J 000 RES 0603 10 5 PHILIPS 201 RsReRz R8 R10 R11 R12 R13 R22 R37 R44 R49 170 142 104J 000 CHIP RES 0603 100 5 PHILIPS 400 182 83 R25 171 142 1054 000 CHIP RES 0603 1 5 PHILIPS 100 ra 1172 142 123 000 CHIP RES 0603 12 5 PHILIPS to 1713 18 340 0291 A00 DIODE ZENER Z02W9 1V SOT 23 1 00 19 3 2013 7 8 9 0 21 22 o gt x Jojo x d o Emil 1 ta ES m E Lg Leg m Ei Slololo o o 12131 11 z U 9
19. SERVICE MANUAL MULTI CHANNEL AM FM TRANSCEIVER TCB 1100 TTI Tech Co Ltd TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 CIRCUIT DESCRIPTION 2 1 GENERAL 2 2 TECHNICAL DESCRIPTION 2 3 SEMICONDUCTORS AND FUNCTION 2 4 DESCRIPTION OF FREQUENCY DETERMINING AND STABILIZING CIRCUIT 2 5 TEST EQUIPMENT SETUP AND ALIGNMENT INSTRUCTIONS SECTION 3 PART LIST SECTION 4 MECHANICAL DISASSEMBLY SECTION 5 BOARD LAYOUT 5 1 MAIN PCB 5 2 LCD PCB 5 3 LED PCB 5 4 VOLUME PCB 5 5 SQUELCH PCB 5 6 CHANNEL PCB SECTION 6 BLOCK DIAGRAM SECTION 7 SCHEMATIC SECTION 1 SPECIFICATIONS Channel 40 See the frequency band Frequency Range chart Operating mode 26 96 MHz 27 99125 MHz Frequency Control F3E FM AM Frequency Tolerance PLL Synthesizer Operating Temperature 0 002 Range 10 to 55 C Microphone Plug in Type Input Voltage 13 2V DC 15 Size 190 W x 165 L x 58 H Weight 978 5 g Power Output Duty cycle 10 4 Watts 13 8V Modulation DC AM from 85 _to 95 Frequency Response FM 1 8KHz to 2 0KHz Output Impedance 300Hz to 3000Hz Harmonic Suppression 50ohms Unbalanced Current Drain Less than 36dBm Receiver Receiving System Dual conversion superheterodyne IF Frequencies Double Conversion 1st 10 695MHz 2nd 455KHz Sensitivity 0 7 UV for 10dB S N N in AM Mode 0 7 U V for 20dB SINAD
20. Toptite BH rew crew Tap 3x8L Taptite FH or Main bod 110 00 Zn 4 A or Main bod or Mic Bracket 6 Ea 281 55 7 53 SECTION 5 BOARD LAYOUT 5 1 Main PCB Top Side L r L r L r L Main PCB Bottom Side T E re n LJ LJ CA D 2 ON 4 2 e 5 IE Tus pt v O a 4 DI 3 pe Z M Ld b A b s iT tes 8 7 Er no 5 2 LCD PCB Top Side LCD PCB Bottom Side 5 3 LED PCB Top Side LED PCB Bottom Side 5 4 Volume PCB Top Side PCB 1 0 T Volume PCB Bottom Side T 0 1 899 5 5 Squelch PCB Top Side PCB 1 0 T Squelch PCB Bottom Side un T 0 1 899 5 6 Channel PCB Top Side PCB 1 0 T Channel PCB Bottom Side nul T 0 1 899 SECTION 6 BLOCK DIAGRAM AUTO SQ IC14 VR2 SQ VOLUME VRI AF VOLUME EH PWR o AF AMP 7 SQ AMP IC2 l st MIXER l st gt 0102 0103 101 0111 0112 A X101 AGC 4 5 8 ul AF MUTE 0108 010
21. ector 4 4 Frequency Stability Let Fo Crystal oscillator frequency Fr Phase detector reference frequency Fvco VCO frequency Ft Transmit frequency Then Receiver Fr Fo 900 Transmitter Fr Fo 900 And under locked conditions Fr Fvco Where N is the programmable divider divide ratio Then Fvco N X Fr From which it can be seen the percentage error in Ft is the same as the percentage error in Fo The stability of the crystal oscillator is determined primarily by the crystal itself and having lesser deviation by the active and passive components of the oscillator The choice of crystal and components is such that the required frequency stability is maintained over the required voltage and temperature range TTI 2009 02 20 TCB 1100 Circuit Description Page 11 4 5 Description of other Circuits 4 5 1 Transmitter A RF Amplification RF carrier frequencies are obtained at the output of buffer amplifier Q134 and turning IFT coil L701 The input of VCO frequencies 26MHz is selected at the buffer output The output of buffer amplifier Q134 is fed through turning IFT coil L701 L703 to the base of pre driver amplifier Q135 It s output 27MHz is coupled to RF driver amplifier Q136 a low level class C power amplifier Driver Q136 supplies the necessary power gain to operate RF final Q138 at the maximum efficient The output of Q138 is supplied to the antenna through L C turning circuit B Circuit for Suppr
22. ession of Spurious Radiation The turning circuit between the output of final amplifier 0138 and antenna 4 stage Tt network C322 C323 C324 L711 C325 C326 L712 C328 C329 L713 C331 C332 C333 L714 C334 serves as a spurious radiation suppressor This network also servers to match the impedance between TX power amplifier Q138 and the antenna C Circuits for Limiting Power After finished all alignment the constant voltage supply circuit limits the available power 4W or slightly less RV106 and corresponding three transistor control supply voltage of RF power amplifier When power low switch function Q145 changed the supply voltage Tune all the trimming parts for maximum indication of RF power meter and adjust RV104 to make 4W indication of RF power meter After finishing the above adjustments check the RF power meter reading is changed 1W under LOW state The turning is adjustment so that the actual power is from 3 8W to 4 0W There are no other additional controls for adjusting the TX output power D Modulation Control Modulation of the RF is a process that begins with the audio picked up by the microphone FM The microphone input is fed to mic audio amplifier IC5 that drives modulation vricap diode D113 in the VCO circuit RV107 limits the incoming modulation audio levels to inhibit over modulation While reading the modulation factor on the modulation analyzing equipment adjustment RV107 shall not exceed 2 0KHz deviatio
23. me Full clockwise Load Figure 4 L110 audio output Squelch Turn to counter becomes about clockwise 2V 2 FM Audio Output Adj Connect RF Signal Generator 1109 Maximum Channel amp Frequency to EXT ANT Connector indication on 19CH 27 185MHz Connect AC Level Meter and AC Level MIC Receive Distortion Meter and SINAD Meter Reduce Function FM Mode Meter across EXT SPK jack output from with 8 ohm Dummy SSG until the Volume Full clockwise Load Figure 4 audio output Squelch Turn to counter becomes about clockwise 2V 3 Squelch Adj Connect RF Signal Generator 101 Adjust until Channel amp Frequency to EXT ANT Connector the audio 19CH 27 185MHz Connect AC Level Meter and output MIC Receive Distortion Meter and SINAD appears TTI 2009 02 20 TCB 1100 Circuit Description Page 17 DC Power Supply AC Level Meter Distortion Meter SINAD Meter 8 Ohm Dummy Load SSG TTI 2009 02 20 SECTION 3 PART LIST NO PART NUMBER DESCRIPTION QTY VENDOR LOCATION NO 1 42 000 000 CHIP RES 0603 5 PHILIPS roof 42 101J 000 CHIP RES 0603 1000HM 5 PHILIPS ie Med 42 102J P RES 0603 1KOHM 5 PH 16 00 a ise fiUo R225 R226 R29 R42 R43 R11 3 R184 R194 R223 42 103J P RES 0603 10KOH 25 00 R237 R245 R248 R412 R416 R422 R423 R424 R426 R428 R435 R445 42 221J 000 CHIP RES 0603 2200HM 5 PHILIPS R105 8106 R302 42 222J 000 CHIP RES
24. n AM Modulation signals are filtered with RC network and goes to the audio power amplifier IC3 in to make normal signal level to achieve wanted modulation IC3 drives T101 which is a combination AF output modulation transformer During transmit one of the secondary windings of T101 is tied between the 13 2V DC supply and the collectors of RF driver Q136 and RF power amplifier Q138 As the audio passes through T101 it causes the collector supplies of Q136 and Q138 to vary with audio producing an AM signal at carrier frequency To avoid over modulation of the carrier a protection of the modulating signal is fed back from the T101 through the AMC circuit Q119 and Q120 to control the gain of IC3 and sets the maximum level of modulation Form the center tab of RV102 and Q120 the feedback signal is rectified by diode D109 filtered by C202 and supplied the Q119 The collector of Q119 is tied directly TX audio input to control gain That is when the audio output is higher that the preset level of RV102 the information is reflected through Q119 and Q120 reducing the gain of IC3 TTI 2009 02 20 TCB 1100 Circuit Description Page 12 4 5 2 Receiver Overload protection is provided to receiver s semiconductors by diode D101 These diodes have a little effect on the incoming signal from another CB station they protect the receiver from stray transmitter energy In the receiver mode of operation Q142 transistor is turned on Also bias v
25. n Q101 25 4226 RX Amplifier 0102 KTK211 KEC 1 st Mixer 0103 KTK211 KEC 1781 Mixer Q107 KTC3875S KEC RX RF Mute at TX Q108 KTC3875S KEC AGC 0109 KTC3875S KEC AGC Q110 KRC112S KEC S Meter Dectector Q112 KRC112S KEC FM AF Mute at AM Mode Q118 KRC111S KEC RX AF Mute at TX Mode Q114 KTC3880S KEC AM IF Amplifier Q115 KTC3880S KEC AM IF Amplifier Q113 1015 RX AM B switch Q116 KTA1504S KEC Automatic Noise Level Control Q111 KTC3875S KEC RX FM AF Amp Q121 KTC1241 KEC TX AM 1W SW Q132 KRC111S KEC TX AM AF SW Q201 1015 AF 117 KRCIIIS KEC AF Path Q120 KTA1504S KEC Automatic Level Control Q119 KTC3875S KEC Automatic Level Control 0128 2504226 0129 KTC3880S KEC RX TX VCO Buffer Q130 KTC3880S KEC VCO Buffer Q127 015 VCO Control 0133 KRC111S KEC TX Call Switching Q125 015 2 Switching 0155 115 TX Mode Switching Q146 KTC3875S KEC FM TX AF Mute at AM TX Q134 KTC3880S KEC TX Buffer Q135 KTC3880S KEC TX Pre Amplifier Q136 2SC2314F SANYO TX Driver Amplifier 0138 RD16HHF1 Mitsubishi TX Power Amplifier Q153 1015 SW Q8 KRC404 KEC CPU Reset 0152 1015 RX TX Control Q154 1015 TX SW 0122 015 FM AM Switch Q154 1015 TX Switch 0151 115 AM FM SW Q145 KRC102S KEC Power Low Control Q143 KTC3875S KEC 8 2V Regulator Q142 KTC3875S K
26. nce frequency oscillator with internal amplifier 4 3 3 VCO Q128 and surrounding parts are consisting a clap oscillator works as a VCO of IC4 With appropriate control voltage on D112 the VCO can be oscillate over the required range of 26 965MHz to 38 10MHz 4 3 4 Programmable Divider and Its Control The programmable input for each channel are stetted by the PLL Clock Pin 56 PLL Data Pin 55 PLL Enable Pin 58 of IC12 Each input signal to control the PLL ic is done with provide key input Pin 73 74 75 For each key input an internal code converts EEPROM appropriate control to the programmable divider for that channel Since the change transmit and receive and additional bit is required at Pin 66 of ICI2 to allow the ROM to recognize the status TX or RX During transmit the push to talk switch makes Pin 66 ground PLL IC works under transmit status The programmable divider output fed to the phase detector for compare with the 5KHz reference frequency IC4 See table 1 for actual input and divide ratio on all channels 4 3 5 Phase Detector and VCO Control The phase detector is a digital phase comparator witch compares the phase of the reference signal with programmable divider output square waves and develops a series of pulses whose dc level depends on the phase error of each signal The phase detector pulse output is fed to an active low pass filter and RC low pass filter output signal of IC4 is filtered and fed to varicap D112 c
27. oltage is applied to Q101 Q102 Q103 ICI Q101 is a 27MHz RF input amplifier and any excessive input signal is limited by diode D101 CB receiver is dual conversion super heterodyne type with the first IF 10 605MHz and the second IF 455KHz Receiver is separated to blocks 1 st IF section and 2 nd IF section The PLL synthesizer supplies 1 st local frequency 37 660MHz 38 10MHz The amplified 27MHz is mixed With the provide 1 st local frequencies Q102 Q103 mixes the incoming RF signal to generate 1 st IF signal The resulting first IF is 10 695MHz Q102 and Q103 is the first converter and 10 695MHz is sharply filtered by L108 and crystal filter XF101 The first IF is again mixed with a second local oscillator of 10 24MHz With the 10 240MHz signal IC1 FM IF IC converts the incoming signals to generate 2 nd IF signal and recovered audio signals 2 nd IF is filtered by a razor sharp ceramic filter CF101 coupled The 455KHz signal from the 2 nd IF filter was amplified and limits internally After amplification the signals fed to the quardrature detector loop L109 Then could see the recovered signals Pin 8 of ICI With the amplitude of recovered signals Q111 serves as an amplifier AM signals from the Pin 5 of IC1 were tapped with C135 and amplified two stage amplifier Q114 Q115 Q114 is a first 455KHz amplifier and the Q114 being the last amplifier D107 is a detector diode witch produce audio signal as well as negative DC voltage f
28. ontrol the VCO frequency 4 3 6 Transmitter Receiver Buffer AMP Output signal of Q128 is fed into the buffer amplifier Q129 L3 to generate TX carrier frequency and 1 st local frequencies TTI 2009 02 20 TCB 1100 Circuit Description Page 10 4 3 7 Transmitter Buffer The output signal of Q129 L3 goes to an amplifier with tuning circuit Q134 L701 which buffer incoming 26MHz signals 4 3 8 Switching of Turning Capacitor in VCO The VCO circuit must tune with a wide range of frequencies 26 965MHz 27 405MHz for transmitter and 37 66MHz 38 10MHZ for receiver To comply above range of VCO the tuning capacitance should switch for transmission The tuning circuit consists with L301 C232 C242 C243 and C244 When the VCO is working as a receiver Q127 becomes turn OFF So L301 and C232 D112 makes turning function When transmitting Q127 becomes ON S the o L301 an parallel capacitance of C232 and C241 make turning function 4 3 9 Receiver Local Oscillator Outputs FIRST MIXER The secondary output signal of L107 is injected to the sources of 1 st mixer Q102 Q103 in the lst IF mixer section SECOND MIXER The output of 10 24MHz oscillator circuit with X101 is injected into the IF IC IC1 internally Incoming IF signal and 10 24MHz signal are mixed inside the IF IC to extract 2 nd IF signal 455KHz FM audio Signals are recovered with the way of quadrature detector AM signals are recovered with envelope det
29. or AGC action The negative voltage also provides forward biasing to the emitter of ANL clipping transistor Q116 The biasing voltage has a time constant determined R162 and C168 Therefore any sharp negative going pulse from D107 will back bias Q116 and clipped The way to recover the AM information audio is envelope detector TTI 2009 02 20 TCB 1100 Circuit Description Page 13 5 Test Equipment Setup and Test Procedure with Alignment Instructions 5 1 General Section 5 1 1 Test Equipment Required e DC power supply 13 8V 3A e DC Voltmeter or Oscilloscope e RF attenuator 30dB 5 1 2 Test Procedure and Alignment Step Setting Connection Adjuster Adjust for 1 RX VCO voltage Adj DC voltmeter to VCO L301 1 9 2 1 V DC Channel amp Frequency Test point Figure 1 1CH 26 956 MHz Mic Receive Volume Optional Squelch Optional 2 TX VCO voltage Adj DC voltmeter to VCO L301 4 8 5 0 V DC Channel amp Frequency Test point Figure 1 1CH 26 956 MHz Mic Transmit No Mod Volume Optional Squelch Optional DC Voltmeter amp Oscilloscope VCO TP Figure 1 TTI 2009 02 20 TCB 1100 Circuit Description 5 2 Transmitter Section 5 2 1 Test Equipment Required e RF Power Meter e 50 ohms load non inductive e RF attenuator 30dB Oscilloscope e Audio generator 5 2 2 Test Procedure and Alignment DC power supply 13 8V 3A e Spectrum analyzer e Frequency
30. rcuit Description Page 2 1 1 1 1 2 6 General Receiver Display 40 Channels and other functions indication Frequency Range 26 965 to 27 405 MHz Frequency Response 300 to 2 500 Hz Power Source 13 2 V DC Audio Output Load 8 OHM Audio Output 4 0 W or More Squelch Adjustable from 0 2 uV to 100 uV Sensitivity 20 dB SINAD under 1 0 uV RF Signal or less 10 dB S N under 1 0 uV RF Signal or less Intermediate Frequency stIF 10 695 MHz 2ndIF 455 KHz Transmitter Carrier Power Conducted AM 4 W FM 4 W Current Drain 13 2 V Supply Voltage No Modulation 1 100 mA Max Modulation 1 600 mA Modulation Capabilities 90 FM 18 KHz Dev Spurious Radiation Less then 54 dBm Antenna Impedance 50 OHM Frequency Tolerance 0 002 TTI 2009 02 20 TCB 1100 Circuit Description Page 3 2 1 2 2 Technical Description General Model TCB 1100 is an mobile type AM FM radio transceiver for use of the Citizen Radio Service Front Panel Controls 1 LCD Channel and RX TX 2 3 4 Channel UP Down Rotary Switch CH9 Select Key Menu Key Scan Key S MEM Key DW Key Vox Key Comp Key Tone Key Back Light Select Key Lock Key 0 AM FM Key M Key ZZ LS 5 6 7 8 9 1 Accessorily Connectors 1 Antenna Socket
31. s of a phase locked loop PLL The first local oscillator frequencies are 37 660MHz CH1 to 38 10MHz CH40 The second local frequency is fixed at 10 240MHz to generate second IF 455KHz Transmit the VCO of the PLL operates 26 965MHz CH1 to 27 405MHz 40CH The VCO frequency goes to the Buffer Amp circuit Q134 L701 To transmitter 26 965MHz CH1 26 965MHz CH1 27 405MHz CH40 27 405MHz CH40 The VCO operating frequency for the receiver is 37 66MHz CH1 to 38 10MHz CH40 as the first local oscillator injected through the buffer amplifier Q129 into the first FET balanced mixer Q102 Q103 4 2 Basic Synthesis Scheme The crystal frequency 4 5MHz is divided by 1800 times to make 2 5KHz which is fed to one side of the phase detector The VCO output is divided by a programmable divider and fed to other side of the phase detector Pin 9 10 of IC4 Passing the phase detector output closes the feedback loop through an active low pass filter and using the output to control the VCO frequency through varicap diode D112 Under locked conditions both of phase detector input signal must be identical at 2 5KHz The VCO frequency is then given by Receiver Fvco N 0 005 MHz OR Fvco 0 005 X N MHz Transmitter Fvco 0 005 MHz OR Fvco 0 005XN MHz Since N is an integer the VCO frequency can be stepped up with in receiver mode 5KHz and transmitter mode 5KHz increments By suitable choice of N the desired outp
32. ut frequency can be obtained Channel 1 Channel 40 Transmit 5393 26 965 5481 27 405 Receiver 7532 37 660 7620 38 100 The VCO frequency goes to the Buffer Amp circuit VCO Output Frequency Buffer Output Frequency TTI 2009 02 20 TCB 1100 Circuit Description Page 8 Transmit CH 1 26 965 MHz 26 965 MHz Transmit CH 40 27 405 MHz 27 405 MHz Since all frequencies are obtained from the crystal controlled PLL oscillator all outputs are coherent with the crystal oscillator frequency and matching the sample percentage accuracy Note that the reference frequency of 5KHZ receiver and transmitter is obtained by dividing the 4 5MHz by 900 times and 1800 times TTI 2009 02 20 TCB 1100 Circuit Description Page 9 4 3 Descriptions of Each Block 4 3 1 Introduction The synthesizer is implemented with the following components PLL IC IC4 X TAL X102 VCO VARICAP DIODE D112 IC4 is CMOS LSI that includes most of PLL block The Q128 L301 C232 C242 C243 C244 varicap diode D112 are clap oscillator circuit to operate as a VCO of the IC4 Q127 is a switching transistor to connect or disconnect the tuning capacitor in the VCO oscillator tank circuit for transmitter or receiver Q129 works as a buffer amplifier for RX local frequencies 37 2 and TX carrier generating frequencies 26MHz 4 3 2 Reference Frequency The crystal X102 4 5MHz and other components at Pin 1 and 24 of IC4 can make a refere
33. ze hom gt Toe wesson ze Jesse 0000 Goe kr zs ess Q1 KEC KEC KEC KOSHIDA ATMEL KEC BRT LED IC12 S e o o a gt 1 00 1 00 1 09 1 00 10 00 Di D2 03 D4 05 06 07 08 09 010 011 012 013 014 015 016 017 018 019 020 DTRON LUCKYVIEW LUCKYVIEW LUCKYVIEW FINE CONNECTOR CON1 GABOU SW4 SW5 SW6 SW7 SW8 SW9 XINGTAI o ai j o j Lio roof forium 10 o se 1 00 NINGBO a o lt 20 LUCKYVIEW 4 LA LUCKYVIEW TOCOS gt e m DESHAN DESHAN BONSO 2 o o FOR UPPER BOTTOM COVER MOUNTING IUM IUM XING XING XING XING XING OLAR OLAR DAX 0 BONSO 3 00 BONSO i o am he ro so S S CH 1PCS SQ 1PCS zx e A FOR MAIN BODY ESCUTCHEON MOUNTING VU T awr renna too __ i PS some wach snn pipa eo __ 115 4501 501 WASHER _ sco 2 880 2110 000 Pan S 00 00 00 00 0 QOA 0 TW pacino russa 17 0580 000 POLYBAG Pe soxgoo 10 ara 110 000 5020 MIC LABEL PE 1275 0110 000

Service Manual TTI TCB-1100 (www.cbradio.nl)

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