Roadstar CLT-700 Service Manual Download Page 1 | Manualshive

Page: 1 / 32

background image

Service Manual

- CL

T-700

Service Manual

- CL

T-700

CLT-700

R

1
2
3
...
»

Summary of Contents for CLT-700

Page 1: ...Service Manual CLT 700 Service Manual CLT 700 CLT 700 R...

Page 2: ...CHANNELS A BASE UNIT CT1 CT1 TX 959 0125 959 9875MHz 930 0125MHz 931 9875MHz RX 914 0125 914 9875MHz 885 0125MHz 886 9875MHz B HANDSET TX 914 0125 914 9875MHz 885 0125MHz 886 9875MHz RX 959 0125 959...

Page 3: ...e line modular jack goes pin 1 of U1 speech network through bridge diode composed of D1 D2 D3 and D4 C814 and switching transistor Q3 After being amplified in speech network it comes out from pin 4 an...

Page 4: ...IGNAL signal to pin 31 of U4 CPU Then the base unit sends a ringing data through the sending data path to the handset 7 Line detect circuit If the telephone line is connected the Q2 will be on LINE_DE...

Page 5: ...dentification code which are inherent to pair of base unit and handset to safe guard against interference It also stores telephone numbers for memory dial 11 Reset circuit Reset is applied by connecti...

Page 6: ...2 457 24375MHz 20CH cf Base unit fRX 914 4875MHz fTX 959 4875MHz 20CH Handset fRX 959 4875MHz fTX 914 4875MHz 20CH CT1 RX VCO Base unit fVCO fRX 21 7MHz 2 432 14375MHz 40CH Handset fVCO fRX 21 7MHz 2...

Page 7: ...oes to pin 1 of U302 via C363 The doubled frequency of the 450MHz is taken out from the Q308 doubler collector side and fed to the transmission section of the next stage composed of Q309 driver amp an...

Page 8: ...emodulated audio signal is filtered by low pass filter composed of R301 and C301 5 Transmitter RF section The modulated output carrier from TX VCO is frequency doubled to TX frequency by Q308 and ampl...

Page 9: ...set to high and then CPU pin 17 25 send warning tone command to BZ1 buzzer 3 Receiving audio signal from base unit Received RF signal from base unit is detected in the RF block and the demodulated au...

Page 10: ...witched ON so BS2 remains low level even after SW1 is released In case of setting power OFF if SW1 is pushed pin 10 of CPU PWR_OFF becomes high level and CPU makes BS0 BS1 and BS2_CON open state then...

Page 11: ...D Handy RF Block Section The RF part of handset is same as base unit...

Page 12: ...K R342 300R D303 KDV153 C357 100P C331 22P C335 33P X301 21 25M B rank CV301 10P C349 2P C348 NA C351 1U C352 100P Q305 2SC5620 Q306 2SC4226 D302 KDV153 C359 5P C360 2P R347 33K R349 33K C371 1P R351...

Page 13: ...9 220P C51 100N TP9 C39 33N R35 NA FS U4 TMP87C807U 3A92 P73 1 P72 2 P71 3 P70 4 P07 5 P06 6 P05 7 P04 8 P03 9 P02 10 P01 11 P00 12 TEST 13 RESET 14 XIN 15 XOUT 16 VSS 17 NC 18 P60 19 P14 33 P13 32 P1...

Page 14: ...3 DI 4 AGIC 5 CRC 6 CPI 7 CPI 8 CB 9 GND 10 CMUTE 11 BYPATH 12 EMUTE 13 EB 14 EPI 15 EPI 16 DO 17 ERC 18 EO 19 VCC 20 Q2 KRC106S TP2 C24 1U Q4 KRC106S Q7 KRC105S Q5 KRC105S C7 100N R35 39K R6 10K R44...

Page 15: ...348 NA C351 1U C352 100P Q305 2SC5620 Q306 BFQ67 D302 KDV153 C359 5P C360 2P R347 20K R349 27K R351 20K Q310 2SC4226 R323 22R C321 33N R320 2K2 C320 6N8 R312 3K3 C336 33N C340 5P C341 2P C343 4P C344...

Page 16: ......

Page 17: ......

Page 18: ......

Page 19: ......

Page 20: ...60 C61 C67 C77 7 10N 10 C10 C27 C34 C46 C50 C72 C75 C80 C81 C82 8 220N 10 2 C13 C11 9 100N 10 2 C12 C18 10 1N 3 C14 C28 C47 11 220P 2 C15 C49 12 47N 1 C17 13 100U 16V E 2 C19 C76 14 100P 4 C20 C22 C71...

Page 21: ...C3KJB500TR 1 RV2 52 22K AXIAL 1 R1 53 15K AXIAL 1 R2 54 20K AXIAL 1 R3 55 27K 2 R4 R99 56 1M 1 R5 57 10K 18 R6 R9 R12 R30 R31 R36 R39 R61 R62 R87 R90 R92 R93 R94 R95 R98 R101 R623 58 470K 3 R7 R63 R68...

Page 22: ...2K 1 R103 88 8R2 3216 1 R104 89 5K1 1 R632 90 13R 1 R633 91 0R 1 R638 92 ERZV07D331 1 SG1 93 TM114B 1 SW1 94 STIT1 2M US4 6 1 TEL LINE1 95 DBL5021V 1 U1 96 TCET1103K 2 U2 U11 97 HT9200A 8DIP SOP 1 U3...

Page 23: ...C346 C352 C357 C365 C369 C373 13 47N 2 C321 C338 14 3P 3 C324 C342 C377 15 22P 5 C328 C329 C330 C331 C356 16 1U 4 C332 C351 C370 C375 17 68P 2 C334 C333 18 33P 1 C335 19 22N 1 C336 20 470N 10 2 C354 C...

Page 24: ...R314 53 10R 3 R315 R317 R337 54 2K2 1 R318 55 22R 1 R319 56 1K 1 R320 57 56K 1 R322 58 47R 3 R323 R335 R345 59 3K9 3 R326 R327 R328 60 20K 2 R338 R329 61 30K 2 R330 R339 62 390K 2 R331 R340 63 12K 1 R...

Page 25: ...C23 C30 C37 C39 C44 C45 C50 C51 7 10N 8 C5 C6 C16 C29 C31 C35 C49 C808 8 33N 3 C9 C10 C11 9 5N6 1 C13 10 180P 1 C14 11 2N2 3 C15 C33 C34 12 4N7 1 C18 13 1N8 1 C19 14 150P 1 C20 15 0R 2012 1 C21 16 22N...

Page 26: ...20K 3 R10 R27 R33 43 22K 1 R11 44 3K 1 R18 45 3K9 2 R20 R25 46 0R 3 R21 R352 R627 47 15K 1 R22 48 47K 1 R24 49 1M 1 R26 50 27K 4 R29 R30 R31 R32 51 5K6 1 R34 52 20R 2 R39 R42 53 2K 2 R40 R43 54 68R 1...

Page 27: ...C366 C369 13 5P 5 C319 C340 C359 C361 C377 14 6N8 1 C320 15 33N 3 C321 C336 C353 16 3P 5 C322 C347 C368 C809 C810 17 7P 1 C323 18 1P 4 C324 C345 C363 C364 19 22P 4 C328 C329 C330 C331 20 1U 4 C332 C3...

Page 28: ...R320 52 22R 2 R319 R323 53 27K 2 R349 R321 54 62K 1 R322 55 4K7 3 R325 R626 R631 56 3K9 3 R326 R327 R328 57 15K 1 R329 58 30K 2 R330 R339 59 390K 2 R331 R340 60 1K 1 R333 61 8K2 1 R334 62 100R 2 R336...

Page 29: ...CD VS R10 1 13 LCD CUSHION 30x10x1 2t VS R11 1 14 INTER CONECTOR YPS0 1 VS R12 1 15 SHIELD CASE BOTT SPTE t 0 3 VS R13 1 16 SHIELD PLATE SPTE t 0 3 1 17 SHIELD CASE COVER SPTE t 0 3 VS R15 1 18 CUSHIO...

Page 30: ...R15 1 11 CONTACT BASE NICO WIRE VS B37 2 12 BOTTOM COVER BASE ABS94HB VS B38 RD 1 13 TAPPING SCREW BLACK PH 3x10 BK 2 14 LABEL BASE YUPO PAPER VS B39 RD 1 15 RUBBER FOOT 10x1 6t VS B40 2 16 DATE CODE...

Page 31: ......

Page 32: ......

Reviews:

No comments

Related manuals for CLT-700

Brand: Olympia Pages: 40

Brand: Jabra Pages: 16

SP200 - QUICKSTART GUIDE 1

Brand: Jabra Pages: 372

JABRA FREEWAY HFS100

Brand: Jabra Pages: 40

Brand: Jabra Pages: 3

Brand: IBM Pages: 84

Brand: VTech Pages: 46

Brand: Tellumat Pages: 8

Brand: BELGACOM Pages: 37

Brand: Ozito Pages: 64

Brand: AEG Pages: 204

Brand: Panasonic Pages: 2

Brand: Panasonic Pages: 10

Brand: Panasonic Pages: 20

Brand: Panasonic Pages: 36

Brand: Panasonic Pages: 32

Brand: Panasonic Pages: 36

Brand: Panasonic Pages: 52

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands