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ITEM

MAKER

VENDOR

ASS'Y

REMARKS

Location NO

NAME & DESCRIPTION

VENDOE CODE

Q'ty

116 CHIP TRANSISTOR

KTA1504S

SOT-23

KEC

SMD

4

Q164, Q233, Q912, Q924

117 CHIP TRANSISTOR

KTC3875S

SOT-23

KEC

SMD

9

Q151, Q181, Q182, Q183, Q234,
Q742, Q921, Q923, Q931

118 CHIP TRANSISTOR

KTC3880S

SOT-23

KEC

SMD

8

Q101, Q161, Q162, Q301, Q302,
Q303, Q701, Q702

119 DIODE ZENER

Z02W5.1V

SOT-23

KEC

SMD

1

DZ181

120 DIODE ZENER

Z02W4.3V

SOT-23

KEC

SMD

1

DZ931

121 DIODE ZENER

Z02W8.2V

SOT-23

KEC

SMD

1

DZ921

122 DIODE SI CHIP

KDS181

SOT-23

KEC

SMD

1

D401

123 DIODE SI CHIP

KDS184

SOT-23

KEC

SMD

10

D102, D103, D105, D171, D180,
D233, D741, D742, D921, D961

124 DIODE SI CHIP

KDS226

SOT-23

KEC

SMD

1

D101

125 DIODE VARICAP

KDV251S

SOT-23

KEC

SMD

2

D301, D302

126 IC PLL

LC7152NM

SANYO

YANG WON

SMD

1

IC301

127 IC OP AMP

KIA358F

KEC

SMD

1

IC102

128 IC OP AMP

KIA4558F

KEC

SMD

1

IC401

129 IC FM IF

TK14489V

TOKO

SMD

1

IC101

MAIN PCB MANUAL ASS'Y

130 FILM RESISTOR  

2.2

1/2W  5%  ST  MINI

MAN

1

R712

131 FILM RESISTOR  

10

1/2W  5%  ST  MINI

MAN

1

R921

132 FILM RESISTOR  

470

1/2W  5%  ST  MINI

MAN

2

R953, R954

133 FILM RESISTOR  

1K

1W    5%  ST  MINI

MAN

2

R951, R952

134 CHIP RESISTOR

10K

1/16W 5% T 1608

PHILIPS

SMD

1

R713

135 METAL OXID RESISTOR

10

2W    5%  ST  BULK

MAN

1

R208

136 RESISTOR SEMI

47KB

PH0630NOX0X-HA1-B4SOUNDWELL

MAN

1

RV131,

137 RESISTOR SEMI

2.2KB

PH0630NOX0X-HA1-B2SOUNDWELL

MAN

1

RV231

138 RESISTOR SEMI

22KB

PH0630NOX0X-HA1-B2SOUNDWELL

MAN

1

RV401

139 RESISTOR SEMI

4.7KB

PH0630NOX0X-HA1-B4SOUNDWELL

MAN

1

RV911

140 ELECT CAPACITOR

1UF

KR1-16V010MA 5X11 DONGXIANG

MAN

3

C167, C407, C408

141 ELECT CAPACITOR

10UF

KR1-16V100MA 5X11 DONGXIANG

MAN

9

C208, C210, C232, C331, C332,
C333, C913, C921, C931

142 ELECT CAPACITOR

100UF

KR3-16V101MA  5X11 DONGXIANG

MAN

2

C821, C923

143 ELECT CAPACITOR

1000UF

KR1-16V102MF 10X20 DONGXIANG

MAN

4

C207, C213, C217, C912

144 ELECT CAPACITOR

0.22UF

KR1-16VR22MA 5X11 DONGXIANG

MAN

1

C124

145 ELECT CAPACITOR

2.2UF

KR1-16V2R2MA 5X11 DONGXIANG

MAN

1

C741

146 ELECT CAPACITOR

22UF

KR1-16V220MA 5X11 DONGXIANG

MAN

0

147 ELECT CAPACITOR

220UF

KR1-16V221MB 6.3X20 DONGXIANG

MAN

2

C953, C954

148 ELECT CAPACITOR

4.7UF

KR1-16V4R7MA 5X11 DONGXIANG

MAN

2

C411, C960

149 ELECT CAPACITOR

47UF

KR1-16V470MA 5X11 DONGXIANG

MAN

5

C143, C185, C206, C233, C933

150 CHIP CERAMIC

100PF

1608

PHILIPS/SAMSUNG

SMD

1

C735

151 DIP TRIMMER

20PF

KCVN620

FOKITS

MAN

1

CT301

Содержание TCB-660

Страница 1: ...SERVICE MANUAL MULTI CHANNEL AM FM TRANSCEIVER TTI Tech Co Ltd Downloaded from www cbradio nl TCB 660...

Страница 2: ...AND FUNCTION 4 DESCRIPTION OF FREQUENCY DETERMINING AND STABILIZING CIRCUIT 5 TEST EQUIPMENT SETUP AND ALIGNMENT INSTRUCTIONS SECTION 5 3 VOLUME PCB 3 PART LIST SECTION 5 1 MAIN PCB 5 2 FRONT PCB 4 ME...

Страница 3: ...ge without prior notice T R A N S M I T T E R R E C E I V E R G E N E R A L 40 See the frequency band chart 26 96 MHz 27 99125 MHz F3E FM A3E AM PLL Synthersizer 0 002 10 to 55 C Plug in Type 13 2V DC...

Страница 4: ...asic Synthesis Scheme 4 3 Descriptions of Each Block 4 3 1 Introduction 4 3 2 Reference Frequency 4 3 3 VCO 4 3 4 Programmable Divider and Its Control 4 3 5 Phase Detector and VCO Control 4 3 6 Transm...

Страница 5: ...Squelch Adjustable from 0 2 uV to 100 uV Sensitivity FM 20 dB SINAD under 1 0 uV RF Signal or less AM 10 dB S N under 1 0 uV RF Signal or less Intermediate Frequency 1st IF 10 695 MHz 2nd IF 455 KHz...

Страница 6: ...for use of the Citizen Radio Service z Front Panel Controls LCD Channel and RX TX Receiver Audio Control With Power ON OFF Control Volume Squelch Control Volume Channel UP Down Key Switch AM FM Select...

Страница 7: ...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 z AM 4 0 W z FM 4 0 W 2 5 DC Iin...

Страница 8: ...KEC AF Mute Q202 KRC202S KEC AF Path Q233 KTA1504S KEC Automatic Level Control Q234 KTC3875S KEC Automatic Level Control Q301 KTC3880S KEC VCO Q302 KTC3880S KEC RX TX VCO Buffer Q303 KTC3880S KEC VCO...

Страница 9: ...Q962 KRC111S KEC MIC AF Path at AM Mode 3 2 IC Ref No Description Manufacturer Function IC101 TK144889V TOKO IF IC IC102 KIA358F KEC AGC Squelch Control IC201 TDA2003 ST AF Power Amplifier IC301 LC715...

Страница 10: ...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 div...

Страница 11: ...btained 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...

Страница 12: ...2 16 46 5431 13 5775 17 27 165 3294 16 47 5433 13 5825 18 27 175 3296 16 48 5435 13 5875 19 27 185 3298 16 49 5437 13 5925 20 27 205 3302 16 51 5441 13 6025 21 27 215 3304 16 52 5443 13 6075 22 27 225...

Страница 13: ...Pin 11 PLL Data Pin 12 PLL Enable Pin 13 of IC801 Each input signal to control the PLL ic is done with provide key input Pin 18 19 25 26 27 28 29 32 33 34 35 37 For each key input an internal code co...

Страница 14: ...er Q102 Q103 in the 1 st IF mixer section z SECOND MIXER The output of 10 24MHz oscillator circuit with X101 is injected into the IF IC IC101 internally Incoming IF signal and 10 24MHz signal are mixe...

Страница 15: ...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 outp...

Страница 16: ...filtered by L108 and crystal filter CF101 The first IF is again mixed with a second local oscillator of 10 24MHz With the 10 240MHz signal IC101 FM IF IC converts the incoming signals to generate 2 n...

Страница 17: ...re Step Setting Connection Adjuster Adjust for 1 RX VCO voltage Adj Channel Frequency 1CH 26 956 MHz Mic Receive Volume Optional Squelch Optional RF Gain Optional Mic Gain Optional DC voltmeter to VCO...

Страница 18: ...1 2 Frequency Adj Channel Frequency 19CH 26 956 MHz Function AM or FM Mode CB ANL Off DX Mic Transmit No Mod Volume Optional Squelch Optional RF Gain Optional MIC Gain Optional Connect dummy load and...

Страница 19: ...tional RF Gain Optional MIC Gain Max Connection the audio generator set to 1 KHz to the microphone Connect the modulation meter through the RF attenuator to the ANT Connector Adjust the audio signal l...

Страница 20: ...educe output from SSG until the audio output becomes about 2V 2 FM Audio Output Adj Channel Frequency 19CH 27 185MHz MIC Receive Function FM Mode CB ANL Off DX Volume Full clockwise Squelch Turn to co...

Страница 21: ...TCB 660 Circuit Description Page 18 TTI 2007 02 23...

Страница 22: ...5 PCB DISPLAY FR 4 R 1 CAPITAL MAN 1 16 CHIP RESISTOR 1K 1 16W 5 T 1608 PHILIPS SMD 1 R810 17 CHIP RESISTOR 10K 1 16W 5 T 1608 PHILIPS SMD 5 R1 R805 R806 R811 R814 18 CHIP RESISTOR 100K 1 16W 5 T 1608...

Страница 23: ...R 1 1 16W 5 T 1608 PHILIPS SMD 2 R711 R206 44 CHIP RESISTOR 10 1 16W 5 T 1608 PHILIPS SMD 2 R133 R301 45 CHIP RESISTOR 100 1 16W 5 T 1608 PHILIPS SMD 6 R104 R109 R134 R168 R314 R401 46 CHIP RESISTOR 1...

Страница 24: ...8 PHILIPS SMD 5 R138 R205 R406 R704 R962 70 CHIP RESISTOR 47K 1 16W 5 T 1608 PHILIPS SMD 9 R122 R139 R174 R176 R300 R303 R409 R411 R415 71 CHIP RESISTOR 470K 1 16W 5 T 1608 PHILIPS SMD 2 R154 R178 72...

Страница 25: ...C108 C302 C318 C707 97 CHIP CERAMIC 330PF 1608 PHILIPS SAMSUNG SMD 5 C715 C723 C725 C726 C729 98 CHIP CERAMIC 39PF 1608 PHILIPS SAMSUNG SMD 1 C705 99 CHIP CERAMIC 47PF 1608 PHILIPS SAMSUNG SMD 6 C103...

Страница 26: ...ESISTOR 1K 1W 5 ST MINI MAN 2 R951 R952 134 CHIP RESISTOR 10K 1 16W 5 T 1608 PHILIPS SMD 1 R713 135 METAL OXID RESISTOR 10 2W 5 ST BULK MAN 1 R208 136 RESISTOR SEMI 47KB PH0630NOX0X HA1 B4SOUNDWELL MA...

Страница 27: ...5T R 0 5UH FINE FINE MAN 1 L707 171 CORE SPRING 5 5TX0 45XM5E X2 3 0 17UH FINE FINE MAN 3 L103 L104 L105 172 COIL CHOKE 6UH BOBBIN CORE FINE FINE MAN 1 L201 173 TRANSISTOR 2SC2314F SANYO MAN 1 Q703 1...

Страница 28: ...BsBm SAME AS TCB770 Bonso 3 For channel Rf on off 22 DOUBLE SIDE TAPE FOR DIFFUSER 29 3 5 0 2T SAME AS TCB770 Bonso 2 For diffuser MAIN BODY ASS Y 23 MAIN BODY EGI 1 0t SAME AS TCB770 DESHAN 1 24 CORD...

Страница 29: ...1 14 Name label PE 22 12 0 2T BONSO 1 PACKING 1 POLYBAG PE 100 900 0 05T BONSO 1 ACCESSORY 1 BRACKET SET DESHAN 1 2 STUD BOLT ABS M6 8L BLACK same as TCB880 Yisheng 2 3 BRACKET MIC SUS304 1 0t same as...

Страница 30: ...SECTION4 MECHANICAL DISASSEMBLY...

Страница 31: ...ud bolt ABS BsBm 2 Packing rubber NBR 2 1 6t Main PCB 1 S W PCB 1 6t 1 Felt Cover 0 3t 4 Cushion EVA sponge 1 TX shield can 1 SPTE 0 3t 1 VCO shield can SPTE 0 3t 1 Cu tape 2 Cu 77x15x0 1t 1 Cu tape 1...

Страница 32: ...5 1 MainPCB Top side SECTION5 BOARD LAYOUT...

Страница 33: ...Main PCB Top Silk...

Страница 34: ...Main PCB Bottom side...

Страница 35: ...Main PCB Bottom Silk...

Страница 36: ...5 2 Front PCB Top Side...

Страница 37: ...Front PCB Top Silk...

Страница 38: ...Front PCB Bottom Side...

Страница 39: ...Front PCB Bottom silk...

Страница 40: ...5 3 Volume PCB Top Side...

Страница 41: ...Volume PCB Bottom Side...

Страница 42: ...SECTION6 BLOCK DIAGRAM...

Страница 43: ...SECTION7 SCHEMATIC...

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