Panasonic KX-T2388 Скачать руководство пользователя страница 3 | Manualshive

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Содержание KX-T2388

Страница 1: ...Ibs 0 9 kg without cassette tapes 12 telephone numbers up to 30 digits for each station 3 telephone numbers up to 30 digits for each Direct Call Button Tone OTMF Pulse 10 pps Last dialed telephone num...

Страница 2: ...ment Flat Package IC 32 IG Block Diagram ccccccccccceceecssseseeeseeeees 7 Trouble Shooting Guide c cee 33 40 Measurement and Adjustment Method 8 Cassette DECK Parts Location 0 41 Schematic Diagram fo...

Страница 3: ...one line by pressing it firmly for 1 2 seconds You can dial next phone J number without hanging up REDIAL button Used to redial the last dialed phone number AUTO STORE button Used to store phone numbe...

Страница 4: ...8 EC OOO CI O2eO O oO DISASSEMBLY INSTRUCTIONS ayy Fig 4 Fig 5 Fig 6 Fig 7 fi i K i Woy LL lis oKe i L eo 1 Fig 8 Fig 9 Fig 10 Peles 2 568 iisse Remove the cabinet cover Remove the Main Printed Circui...

Страница 5: ...OM 4K Internal RAM 128 x 4 Kbit Clock Frequency 4MHz Power Supply Voltage 5 4V or 5V 23 NC eo ae ee Osc2 Leey ietive Auto Active Lae a a _ on__ OFF _ ON ORR oe ae Ec ieee s _ T_ Remote ats Ph Nee eee...

Страница 6: ...p Signal Key Tone Output Pull Up Power Output GND Terminal DTMF Signal Output OONOGA WN Active Key Tone Output Active System Clock System Clock System Reset Signal Line Power Input Key Scan Output Key...

Страница 7: ...own below 1 Head azimuth adjustment Record playback head Test tape Playback mode VTVM Oscilloscope Fig A 1 Play back test tape QZZMWA 2 Adjust VR4 for 2990 10 Hz on frequency counter reading 2 Tape sp...

Страница 8: ...x _Kx T2as8 KX T2 8t SCHEMATIC DIAGRAM fr Jd H S JACK Backup O 4 26 M0 04 7 RSO 56K a A resort ig S gra S...

Страница 9: ...2 me 10 ee ee ee Le PB SI POWER NENG 4 OGn Pry 5 i i i OC JACK ESAT OS REGULATOR T2024 Os 6 BY eee Sere ee eee neh obo eee O20 gen 2soo or WBE v9 TH T obs Ea Q wo a Jed z e e 909 g JS e x E or i Oe o...

Страница 10: ...ca tesa ir sa a ae fe ye a onsen Cl mM fat 5 i H i i cormes i pmteaesomncronsiimetcerantonencnacennientererontt Pt a rmmpmonmeeenermated ang iia sone MoT Snce nane nnne nttg sp ann er ry f anceauasre...

Страница 11: ...ECTION DIAGRAM for CRADLE i 10 j eset a 42 i sevepotrersebaetctrcenScante bnonsets petra eNsnrssenraerict alte ate wie bse 4 Component View educates Ae SEINE REDE CERES ESHOP OAEBAR ISERIES AONE At ow...

Страница 12: ...wer switch 2 82 Redial switch 3 S3 Rewind switch 3 3 Program switch Commode 4 S4 Memo 2 way switch 4 94 Pause switch 5 S5 OGM play switch 5 S5 Flash switch H 6 S6 OGMrec switch 6 S6 Dialing mode selec...

Страница 13: ...AL GUIDE OF IC S TRANSISTORS AND DIODES coat om PQVTKSO261DY woo 2SA1625 2802240 3 igsw 2 LEG I 16 PQVDSLZ13582 PQVIBAS215SL 2SK1398 POVDSLZ235R3 wo i Cathode pod baat a Anode Anode Cathode pQvDMZu2RO...

Страница 14: ...escent sceysvianannounsort UM IA queuodwieS SCHERER o a Wa saNv H 403 WHD VIO NOLL OSNN OO ONTL IM aNv quvo g LINDH IO...

Страница 15: ...BAU JOIOW aoeyaiul WV L vO LtO ZtD ZOl COLD LOLO a a Ee eae palo tan F 1S Seck Woo 7 40 08 8Q Bulg YNIID 104UOD l ag pue 1ndino 4WLG f i r MOWwayy ym SF 1 6 1 I 0 1 1 8 sd Lols I 1 i 10ju0D euBis sseu...

Страница 16: ...Q3 is OFF Q2 is ON Q1 is ON make The ring signal is outputted from pin 8 of IC3 and its volume is adjusted in 3 steps H L OFF by Ringer SW then impressed on the ceramic sound generator and so is gener...

Страница 17: ...requencies Low group and three high frequencies High group Circuit Operation When a dial key is presses a DTMF signal is outputted from pin 16 of IC1 as an analog synthetic wave The signal flow to the...

Страница 18: ...KX T2388 Tone Frequencies 697 Hz 1209 Hz 1 5 1 5 ee Hz 1336 Hz 1 5 1 5 852 Hz 1477 Hz 1 5 1 5 941 Hz 1 5 Naa Circuit Diagram C6 Telephone Line ict 43 C12 R18 C1 co...

Страница 19: ...Line Output C1 Signa Mi REMOTE SIGNAL DETECTOR Function The remote control signal passes through C24 then amplified by the amplifier consisting of IC6 and detected by 1C4 and IC5 tone detector ICs The...

Страница 20: ...he CPU The voltage needed to reset the CPU is supplies from the collector of Q8 When Q8 becomes ON and the reset terminal voltage drops the CPU has been reset and the set can operate beyond point A in...

Страница 21: ...AY REC rt cee STOP PLAY MTR Forward a RMTR Reverse pater FF MTR iene bee 100 ms 200 ms 2 REW MODE PLAY MTR rFMTR FF Sennen TEEN PL T ____ ie PL L 3 FF MODE PLAY MTR eee eee RMTRO FF MTR eee ae PL T PL...

Страница 22: ...ant speed Fast Forward IC1 pin 44 and 41 become H Q16 Q17 ON Q12 ON and the motor current flows through Q12 Motor Q16 and the motor is rotated at high speed Rewind When IC1 pin 42 becomes H Q15 goes O...

Страница 23: ...ded tape is being played back Beep tone Pin 9 of IC1 C35 R71 pin 15 of IC2 pin 7 of C2 C41 SPEAKER Mi PLAYBACK CIRCUIT OGM and ICM MESSAGE Circuit Operation Playback signal flows as following Head C39...

Страница 24: ...35 will go High hence this condition will be detected Circuit Diagram R10 DS IC1 less than 5 ms less than 350 ms Mi VOX CIRCUIT Function The vox circuit is designed to detect cyclic signals is which...

Страница 25: ...uit IC2 pin 12 sound output a low level no sound a high level The sensing tape detection system is judged by pin 14 of IC1 Circuit Diagram IC1 IC6 Vox Circuit Tape Progress R P Head 1 t No Sound recor...

Страница 26: ...f operation Circuit Operation When a ring signal is inputted from the telephone line a tone ring signal will be outputted from IC3 pin 8 See telephone line interface The signal flows through R80 R5PC1...

Страница 27: ...ier in IC2 Then go to pin 16 of IC2 C46 R78 pin 15 of IC2 pin 2 of IC2 C39 Head The other output goes to the MONITOR CIRCUIT The all circuit are consists of R68 and C36 Signal The beep tone generated...

Страница 28: ..._ __ 1 Remote Control Detect Recording Circuit Playback oe RSS C33 ME POWER SUPPLY CIRCUIT Function Power from the AC adapter Passes through the 2 stage regulating block consisting of Q5 and proviedes...

Страница 29: ...HIGH and pin 9 becomes HIGH as shown in Fig b The internal block diagram is shown in Fig c The logic of each switch is shown in Fig d The input signals on each operation are shown in Fig a LINE REC L...

Страница 30: ...IC2 BLOCK DIAGRAM PRO BUF ALC CPI cpa LNO VLC SKI SKG SKO Fig d Circuit Diagram VOX Circuit AC DC Inverter Line in Head Line out Red C39 Re R55 C33 C37 6 VDC R77 HE C47 R71...

Страница 31: ...eter eatev Bickesacheter Hi115 Specific gravity 0 863 Original flux will be replaced daily Mi PROCEDURE 1 Temporary fix FLAT PACKAGE IC by Soldering on marked 2pins r ere Temporary soldering point Mos...

Страница 32: ...cut off Chenge C26 from 0 042uF to 0 033uF or 0 022uF OGM recording distorted Check for cold solder joints on IC1 No PWR AFTER PWR fixed no plunger a activation Check R34 Q10 and Q9 Intermittent rewi...

Страница 33: ...eard from the handset YES Is transmission possible YES Does a signal appear at the pin 15 of 1C2 NO YES is the side of the MIC DC bias Check the Mic Is Q1 ON YES YES Does a dial tone appear at the col...

Страница 34: ...4 Switch S6 a HIGH logic level Do pins and NO of IC1 have a clock pa oi C16 frequency of 480 kHz and CF1 Does the dial key operate ae Ne Do pulse 0 6 Vp p Ne eth Pe SeSs pie rae appear at source of Q3...

Страница 35: ...D8 30 of IC1 4 5 V D24 and R27 Is the voltage at pin 24 of IC1 high logic level NO Check Q5 R25 and R26 Is the voltage at pin 25 of IC1 high logic level Check IC1 NO Check Q4 D7 and R23 Check the con...

Страница 36: ...dle 1 NO FUNCTIONS OPERATE Is the AC Adapter inserted into 120 V outlet Is Q5 emitter voltage 6V Check Q5 and D11 Is pin 21 of IC1 alow level after the AC adapter is plugged in Check Q8 Does pin 24 an...

Страница 37: ...k pin 1 and 2 of IC1 NG When pin 1 of IC1 is high level collector of Q10 is low Check Q10 Check IC1 level YES Is emitter of Q9 more than 12V Check AC Adaptor YES When pin 2 of IC1 is high level does e...

Страница 38: ...C Silence D Cyclic signals A Check CPC DETECTOR CIRCUIT Q4 R14 R20 B C D Check VOX DETECTOR CIRCUIT R47 R48 R51 C26 C27 C28 C29 D18 D19 IC2 IC6 1C3 REMOTE CONTROLLER DOES NOT WORK RESPONSE IS POOR Th...

Страница 39: ...e Head 8 NO OR LOW OGM PLAYBACK Press OGM button or Playback Button At max volume is noise produced when R P Head terminal is touched with a screwdriver Check RECORD CIRCUIT MIC IC2 and Q18 Does the t...

Страница 40: ...KX T2388 CASSETTE DECK PARTS LOCATION 17 10FN 3 XTN17 6FZ 3 N umm XS XTN17 7FN 3 Mi2 This washer lock flywheel Actual Size of Screws eFor DECK Part No Actual Size i i ou je Fig 16...

Страница 41: ...KX T2388 CABINET ELECTRICAL PARTS LOCATION XTW3 W6F _ XTW26 10F 2 pes XTW3 W10P 2 pes K6 en XTW26 10F 2 pes Fig 17 Actual Size of Screws For Unit Actual Size f XTW3 W6F Fig 18 N wv...

Страница 42: ...Fig 19 EXTENSION CORD CONNECTING METHOD TM S Cassette Deck NZ Extension Cord Cord No PQJS9K2Z is Main P C Board...

Страница 43: ...4R10XJ224 220K RS PQ4R10XJ104 100K AV R25 PQ4R10XJ474 470K R6 PQ4R10XJ152 1 5K R26 PQ4R10XJ474 470K Ref No Part No Part Name Description R7 PQ4R10XJ272 2 7K R27 PQ4R10XJ100 10 Nats R8 PQ4R10XJ154 150K...

Страница 44: ...mic ECQM ECQV ECQE ECQG Poiyester ECEA ECSZ Electrolytic EECW Electric Double Layer 50 1H 50V WJ 63V Motor Ass y with Pulley Pinch Roller Ass y Flywheel Ass y Washer Gear Ass y Washer Takeup Reel Tabl...

Страница 45: ...TJ123 PQ4R10XJ563 PQ4R10XJ563 PQ4R10XJ113 ERDS2TJ273 PQ4R10XJ273 PQ4R10XJ823 PQ4R10XJ473 PQ4R10XJ471 PQ4R10XJ473 PQ4R10XJ471 ERDS2TJ681 PQ4R10XJ473 PQ4R10XJ221 PQ4R18XJ681 ERDS2TJ103 PQ4R10XJ221 PQ4R1...

Страница 46: ...ebessew du jo pus ou 0 ade au YOR Aejd 0 u0WNG ASNVd MOVEAV 1d 8U SSA1d ade au JO UOIISOd peulsap auj Jaye 40 aBessew paps0de Jse au Jaye sobessoyy Bulwoou x9u By P4ooe 0 JUeM NOA UdUM SAPS O juem no...

Страница 47: ...asned jou og auoydosoilu ay wody Aeme g wo og jnoge dasqayyseye qnNo Wy aary 146u Ajeajo pue Ajpno yeeds SI SIU O 9H SUSE JOyeEdIpU SSN NI HSMOd 84 pue daaq Buoy e Aq pamo jo pueou aq IIM Sdaeq ous J...

Страница 48: ...lease use this manual together with the Service Manual for model No KX T2388 Order No KM49008259C1 CHANGES Suffix B C 8HAQB12345 Serial No Label 5 Be Sutfix Reason for suffix change A B The main P C B...

Страница 49: ...eSSe Pa A MotB lIQ fesb2136_ 2S8D1994A Transistor Si _ tT MidB POVDMTZ6R8 ssen Diode Si of 2 6 MdofB PQYF1053Y8 PQYF1053X8 Lower Cabinet Assemb 1 3B B ELECTRICAL PART E8 _ PQWP1T2388M_ PQWP1T2388M1_...

Страница 50: ...88M _ PQWP2T2388M1_ P C Board Assembly NLA i BB R4__ ERDS1TJ470__ ERDFS1TJ470 Resistor 47 CT TCT TCU CY CAPACITOR C50 PQCUV1H102J Capacitor 0 001nF es ey eee oe Notes 1 Part with mark 3 has been chang...

Страница 51: ...KX T2388 m CASSETTE DECK PARTS LOCATION Page 41 XSNI7 10FN 3 iaXSN17 6FZ 3 j 4 AE OSE Ny XSN17 7FN 3 M14 M26 Supplement 1 msSC with metal Original Supplement 1 aoe...

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