Service Manual
Contents
1. ch 9319 SWITCHING 030 SWITCHING IDEAT PROOF 0302 SWITCHING BEAT PROOF SELECT REC EQiMetgl SPEED C EQ TPS AMP M pn ken kee Seet res 1 d 104 105 019 110 7 7420115 r7 1 4 d 2 BU4065BF E2 DECK 1 2 SELECT 008 333 SWITCHING 1 BECK 1 2 SELECT 51167 8 AMP ALC 5 DI 8976 DOLBY NR L LG g ta 1 1 be E Se A E E E E FE ER ER Ee Sg Sege pl WGL EE gt EE bo e e e RX DT707 RX DT707 D SELECTOR 9 lt lt lt 1 1 mmm mm wm e E Fe gg emm gt gt e pt zg PM Pn SES EE get gent ame TR Kr rn Mm EC dum qu e km dumb dert eam E unum Set E dui get Kum qum EM 94 0 Sen Set dinh gn mum of2. Je mem mem WI mus beer Car ban 080 500 TRANSISTOR um oe ae am bar mem be Wir bs ae us Lg np m Fan mem JI oe een E kogebenm og 09 707 m pum P mee ee kr be ee wem Jet ez be em EE EE pus mum LI prm pou mes qom om mm j n en pr peessipwwmrommcs len TRANSISTOR O om em ______ TRANSISTOR mi mp ken En oo ee Ee E 52 JE kee p ken pk Ren a po 1 mmm ko jm a re Ss m ws ms drm pi m ws mm IR merg 5 Jm at mra be Keeser p ks ls em Baer jus be uem game p m we qu In Im m um gx In ke
3. 12 TOC M fais 9 42 TO M 1L gt 4 ES uu TUNER H _ Preset equalizer mode indicator 9 Surround indicator TECHNO SURROUND PRESET EQUALIZER 3 Link edit indicator LINK 4 CD edit stereo indicator EDIT STEREO 5 Title button TITLE 8 Beep sound button BEEP The beep sound beep will be emitted each time the operation button is pressed The beep function can be turned on and off by pressing this button 7 Super extra bass system button S XBS LEVEL Q Preset equalizer button PRESET EQ 9 Aux button AUX Compact disc edit button CD EDIT Press this button to select the desired edit mode Surround function button T sunnouND 42 Automatic tape level setting button ATLS Press this button to begin the recording from a CD B Cancel button CANCEL SET button SET 45 Jog dial Al JOG Top panel 4 Speakers Woofer 10 2 70 Speakers Squawker Tweeter 8 80 Remote control sensor 60 Disc tray 61 Headphones jack PHONES 23 5 320 02 Display section A CD mode indicator Track display Playing time display Volume level display VOLUME Program indicator Random indicator Over mark indicator Repeat indicator Operation switch OPERATION OFF ON Volume control
4. C2 S6 e Headphones CS4601 CS8001 58011 2 Remove 3 screws 3 Release 2 claws in the direction of arrow 4 Remove the cassette panel in the direction of arrow 1 Release 3 connectors CS4601 CS8001 CS8011 Procedure 1525 6 Boss J971 Main P C B CD unit holder 4 Remove 6 screws 2 Remove 2 screws 5 Release 3 claws in the direction of arrows 3 Remove the CD unit holder Procedure Mechanism unit 13524 3 Release 4 connectors J951 J971 CP301 302 5 6 gt 10 1 Remove 6 screws 4 Resolder 2 solders 2 Remove mechanism unit 5 Remove the screw 6 Release the claw 7 Release 2 bosses Removal of the CD Unit _ 8 Release 4 hooks Procedure lt Bottom view gt 132457 Top panel _ CS8001 CS8011 9 Remove 2 screws 1 Release 2 connectors CS8001 58011 2 Remove 8 screws Q Q 3 Remove the spring and holder 4 Remove top panel the direction of arrow 1 Release the connector CP790 5 Remove the spring B 2 Release the connector CN702 6 Remove the holder 3 Remove the CD unit 7 Remove the lock lever o ede RX DT707 RX DT707 KE Removal of the Top Panel Holder Removal of the Open Close Unit Top panel holder Procedure Procedure 1 24 124 55 6 510 511 512 5 gt 6 gt 10 gt 11 1 Release the connector C
5. sevzstl well 32 eri et S i 55 1 TAPE DECK To B rower openeen KC BATTERY 408 3 GATTERIES 6Y IR6P LR amp GA EQUIVALERT na i oi 29 28 LCD CIRCUIT RXDTZ7 29 30 31 32 33 34 RBOT 8806 8805 R802 12x 2 15K o5 2 gt 4 Se gt m 9 9 4 J 2419 19 10 less BS 5 5 an LCDI 4 15067 1 81848 31 54 be u 4 3 5 514 la lo 8 lo end 213122 81 1 2 5 LCD DISPLAY E 5 B E o d B u x gt 5 H 5E TAPE CONTROL H ROOD 8809 RBIF RAI RAG 9815 RBM DR 8812 ID SOK 127 22k 95K 19 fO 0 n wfO 9 o O 0 tO Oo 21 s 54 54 54 54 94 54 84 5 5 v n a 10 10609 e 1813181818181 15221 5 BU 2040F T2 8 2 550 ze E LED ORIVE t 8 a tod d 2 2 d z ro woUCH EDIT 5 b RB23 322 R 2 c g Q 5 5 0 81 1 8 2 hal 0801 802 LELE 3 8 be cor 25033 RTA ur 5 S
6. 35 41 eREPLACEMENT PARTS LIST 69 78 85 86 eWIRING CONNECTION DIAGRAM 42 43 ePACKAGING Leg wi e 72 ePREPARATIONS FOR CHECK AND ADJUSTMENT OF eCABINET PARTS 79 80 eSI 44 48 MECHANISM PARTS LOCATION 81 84 eMEASUREMENTS AND ADJUSTMENTS 49 52 eLOADING UNIT PARTS LOCATION 87 PRECAUTION OF LASER DIODE CAUTION This product utilizes a laser diode with the unit turned on invisible laser radiation is emitted from the pick up lens Wave length 780 nm Maximum output radiation power pick up 100 uW VDE Laser radiation from the pick up unit is safety level but be sure the followings Do not disassemble the optical pick up unit since radiation from exposed laser diode is dangerous Do not adjust the variable resistor on the pickup unit It was already adjusted Do not lock at focus lens using optical instruments Recommend to lock at pick up lens for a long time ACHTUNG Dieses produkt enthalt eine laserdiode eingeschalteten zustand wird unsichtbare laserstrahlung von der lasereinheit abgestrahit Wellenl nge 780 Maximale strahlungsleistung der laserinhelt 100 uW VDE Die strahlung an der lasereinheit ist ungef hrlich wenn folgende punkte beachtet werden
7. EIS SS gt En di 55 5128 53 2 8 ES 85 583 LR 00 810103 010 470 100 2298 ICT DU 11000 1800 02 85 10108055 HOI FRICLEIAR DIR 16103 E lt gt lt gt amp ES 25 53 54 53 53 53 23 23 88 53 53 31215 51555 515 515 mei Rb m gt gt 2 1 Ee 4 8 5 2 8 5 amp 5 c gt 5 gt si wu D 5 5 FCFIRIC2Z2MR ECBTIRIO2 CBT1MT 945 FRLCZ20MR FRICLZ3ER 30 5 fef Ho 100K 1005 1 5 OY 1000P Vm 4 aH 4 1 48 D V 4 1 44 1 48 47 21 VN LAN 1 8 1 8 V LX yn ym 41K ym E 507 Ue 1 ya n 1 4 220 1 8 100 1 10 10 A A4 AR 5 47 CAPACITORS 472 J154 J HU 10223 13103 105210474 1103 13472 T1472 11221 11320 8211472 52122721 521472 IRSCH 211470 HHH 0521410
8. e 50253 LOADING MOTOR CONTROL AGCLK3 AGCLXI 0 AGDATA 4 JOG N2 466 12915 LOADING MOTOR DRIVE 5800 306 RX DT707 RX DT707 BLOCK DIAGRAM TA8I32AFET 71 SWITCHING FM AM IF AMP DET AM OSC ST MONO AC ge mm wm de T wn zg zb zm zc 920 jy SWITCHING switching 7 LW HW ON TAT358FMATEL FM FRONTEND on D ONGSSIALB Q324 33 HALL 2301 303 TELESCOPIC ANTENNA 5951 952 971 974 MECHANISM CONTROL CIRCUITIDECKI 2 0 69 514168 HALL 1C 061 POWER 9612 SUPPLY 07 9 05 67 TUNER 06 06 ii CONVERTER GB FILTER CIRCUIT BUFFER FM OSC 50253 C305 Arum 893 SYSTEM CONTROL XRA3932 ect 02 i a 2 2 0 POWER SUPPLY CONTROL Ke b SS 1 6 lt 9 ze D l lt lt 98 12 2 MCLK Z Ch von 60 468 2 o
9. me 9 m ee oe o DRECHEN m mu la ma __ STIEDIT STE REO TuneryEDIT CD LED drive signal output LINK LINK LED drive signal output VOCAL ER VOCAL LED drive signal output SOFT SOFT LED drive signal output CLEAR ER CLEAR LED drive signal output EN HEAVY LED drive signal output RSC 6 RX DT707 BLOCK DIAGRAM OPTICAL PICKUP Loser power drive GA Semiconductor l ser Photo detector 4 83895 SPINDLE MOTOR Tracking Tracking coll Shel TRAVERSE MOTOR SPIH LE MOTOR 20005 COIL TRACKING signal COIL TRAVERSE MOTOR ee coll Y Traverse Y Spindle drive ANBB8O2SCEIY SERVO AMP 8 10 H 5 s 3 LPD Level HPF 22 9 BEE 1 Phase BEST EYE ADJUSTMENT o e 222777 Rese WRES RESET VREF OS 22 oat t 2003 IH3 4 01 18 02 ss ren 1 PGND2 se 62 conver
10. z BEIEBBERRBEBBBEEEESEE slels sielSlelslslslsleleisiSisigis Ba 5 25 25 lt gt gt 534 3 zi 2 zz amp 5 22 2 2 212 5 828 i gt c3 Ges SS EE lt CM c3 E HE EIE Be 52 gt 38 38 2 28 zd 75 RX DT707 _ GC ni Hose uw 0 oss ee un 0 0745 C894 ECBTIIM70JS 83714 716 EQUEIHSGIKBN cass 82715 ERJBGEYOROQA 1 108 0 s we puse ECUVIC224KBM C3452 3453 ECEAICKIOOB 169 100 RJ721 1 10 0 ks az mun aw 27 ECUEIHIGODCN 509 10 3455 3456 827248 eier 1 10H 0 e aen E uem am 71 sv Je es E Femeeg Se aus bus amer sv oa ow am 28 ECEANHRADI0I 50V Op ECEA
11. gt ees ae 1818 EIE 8 SHE 3 EIFEIEIEIE IS Sjela 22 2 2 28 232 BE 883588 8 8 31818 25 25 25 x ES 686 e Ke 3 JACK OUL AUX IN SS ws pues ew ge run PLAY ma 95 6208 bag CORNECTOR GP bes be ACK HEADPHONES H JACK AC IN S650 J3DT01 18 RJJISED 0 CONNECTOR BP 102 04 CONNECTOR AP HI CONNECTOR 3P RJT0574008 1 CONNECTUR mz ew CONNECTOR 1060808 1 te SY REY PLAY Sy STOP Sy PHD FAST TPS 9 FAST IPS 2 SW LOADING CLOSE DETECT 14058 See 9 14005 DN SW LOADENG OPEN DETECT RJTO288010 2 10 ec SH CONNECTOR BP RITOSPHOLO 1 CONNECTOR RIPGGL ZA P9 gt FOS12B au E 6 2 PACKAGING gt dell L a e 5 SET SH CANCEL 14058 Q21409K 84 TIMER GLOCK 14058 E E m S REC TIKER SH PLAY TIER 5 ATLS SH P
12. Jab 9 498 ei KC 3 814 Hi NORMAL E 5812 89 DECK 1 2 HIG WW SC oan EW E d D m Ki d LM D X i D AL m DR TEIAS ECONS TUNER 664 0583 0682 Dk d E D D n 4 LG 38 RX DT707 RX DT707 E PRINTED CIRCUIT BOARD DIAGRAM 1 2 3 4 5 6 7 MAIN P C B Bee Sr 4 IR ch fL ch 1 et EN So ud 9 Ek 3 Fon melt A 405 C606 NT Ken WEE keck be el E Co WI DS Dech AN A V 9505 Y 2504 RA MSS Is 1604 OD Te Mut ep E jj S de 399 SK L Ny RT pes A S S EL RN EN x 257 E oram Sir d4 4 nt ie B 1 d cll qu r 9 4 A it 1 0612 4602 05002 05001 603 0614 0615 0613 we 0601 i Sach RX DT707 0 707 WIRING CONNECTION DIAGRAM 9951 1971 TUNER P C B LCD P C B KN p CF309 2307 PWG B tare DECK W306 1 we
13. SWITCHING BEAT PROOF 0909 5 el 0322 9309 31 UN4214TA 2SD965RTA SWITCHING MOTOR DRIVE 5 930 318 BEAT PROOF a MOTOR SHEED COHT MOTOR DECK 24 B RX DT707 RX DT707 6 7 8 9 10 14 12 13 19 WX SEEN ov cot TH b ur ov 35 ov 5 8 165304 CXANO2M T 4 DOLBY HR J 01 21 0107 207 0533 I UN4210TA 2917405 UN42I0TA at SWITCHING IPLAY ONT BUFFER AMP SWITCHING a 8 55 2507 1 12303 9108 208 MIC IN 5 BU406GBF E2 25 40 DECK 1 2 SWITCHING 3 our E Uo 9 Zeie Paqe 28 9327 328 330 331 25C331IRTA INTERFACE 5225 R343 10K Q324 326 25033118 0329 UN42I5TA INTERFACE 9320 321 UNAIIFTA MOTOR DRIVE 0819 R P SELECT REG ON UN4210TA DECK 1 2 SELECT 12305 oan jaar 0515 318 89 78 95 um g h UN4ZISTA SOLENOID DRIVE 5 M50253P SG bes 495 3 SYSTEM CONTRO Wel OI ME E 3 g SERIAL 5 55 PRRALLEL vo iam A 45 51 4 2 62 4
14. 9 DECK P C B REPISOBE 0314 0316 0333 1 304 0207 0107 0111 d ae C VREF 0104 01050110 0109 0103 1 301 0102 0202 0101 12302 0201 0211 Tevescoric ANTENNA ES MAIN BATTERY 10 515 IR20P LR2O OR EQUIVALENT f 05 03 082 B 6 PANEL OPEN CLOSE P ASP B REP 13088 H CONNECTOR 2 P TARU a EN B REPI304B MEMORY BACK UP FOR COMPUTER CLOCK tL BATTERY 4 UM 3 55764 er RGP LAG OR EQUIVALENT F 0 9 1 7530735 53093 35 e 36 RX DT707 RX DT707 12 13 14 15 LCD P C B UREPI302C 0304 0329 9328 0330 4327 d dr CER 0321 Y k 5 021 4209 0204 0203 Q205 0303 9301 0302 0306 0312 0318 0310 5 0322 KARAEZ N HEADPHONES 0 SC 0409 0509 28020 37 CONNECTOR 1 P C B 4 16 17 18 19 1 805 UIZSTEREO qux VOCAL Tor CLEARY HEAVY ELATI TECHNO SURROUND E Ww et COR e ei EE ioo DHO 3 d 5 3806 E 14 1 1 D e
15. L ch To Headphones To Measuring jack instrument Rch Remove 6 screws 0 0 d 4 Remove 4 screws 9 b 3 Remove the mechanism unit Headphones jack RT ERI elf you wish to measure the audio output from the speaker without using the measuring instrument i e output from the headphones make connection in the way shown below e e Front cabinet Power supply connector 5 Lift up the top panel 5 Open the top panel E 6 7 Release the 4601 connector CP605 8 Connect the power supply connector for power P C B i i CP650 i Be especially careful not to bend or break tuner Antenna plate 4 Lee 1 Remove 2 screws 6 to remove the speaker 3 Connect ihe speaker connector with the speaker oulput Adjust the ge K connector connector CP605 2 Remove the speaker cable from the boss used for wire arrangement i i o Use the extension cable kit as shown below when checking and adjusting the unit s P C B Part No 20024 set of 4 extension cables dishes Ge dps gei Verri of 9 Place the main unit and top panel shown above 10 Remove 2 screws IL p hhe tape deck P C B 7 eCheck the tuner P C B 11 Release 2 claws in the direction of arrow
16. 0515 RVTOTAI43 EJST SWITCHING CONTROL d 15 NI sv 45004 05005 Yr UNATISTA UN42I3TA 1 SWITCHIHG SWITCRING n CONTROL sy EN 9500 5003 0408 407 508 507 War 25233 HUTING 467 52258 9410 411 510 511 UNITA ga 28C331 AIRTA MUTING COHT w ATTERUATOR he PARALLEL CONV I sry b d 0696 UNAIIFTA POWER SUPPLY 080 123 JST WUTING 19 miggy RX DT707 RX DT707 17 18 19 20 21 22 23 24 25 26 27 10605 657071 XRA3932 Leh IR E 00 EN om 5 e EE HE MM XT roe sw 167 TEE 5 5008 EX 5 Le 4 Gi E EE Te Paza 888 A feed I NES H o L LI IET ET i B LOADING MOTOR CIRCUIT 1018 T o 16790 X D 95005 16606 P UN4214TA LA5605N H SWITCHING POWER SUPPLY CONT 1606 0812 UN4213TA POWER SUPPLY CONTROL UNSIIFTA POWER SUPPLY POWER Lag gt vet LA pst 5 5 adi 4 RE 21 Sc
17. 1 Die lasereinheit nicht zerlegen da die strahlung an der freigelegten laserdiode gefahriich ist 2 Den werksseitig justierten einstellregler der lasereinreit nicht verstellen 3 Nicht mit optischen instrumenten in die fokussierlinse blicken 4 Nicht ber l ngere zeit in die fokussierlinse blicken ADVARSEL USYNLIG LASERSTRALING VED ABNING NAR SIKKERHEDSAF BRYDERE ER UDE AF FUNKTION UNDG UDSATTELSE FOR STR LING DANGER Invisible laser radiation when open AVOID DIRECT EX POSURE TO BEAM VORSICHT Unsichthare Laserstrahlung wenn Abdeckung ge ffnet Nicht dem Strahl aussetzen CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT VARO Avattaessa ja suojalkitus ohitettaessa olet alttiina nakymaton lasersiteilylle Ala katso s teeseen VARNING Osynlig laserstr ining n r denna del Sr ppnad och sp rren urkopplad Betrakta ej str len ADVERSEL Usynlig laserstr ling n r deksel sikkerhedstis brytes nng eksponering for str len LOCATION CONTROLS RX DT707 The functions indicated by the numbers with black back ground for example can also be activated from the remote control transmitter See page 5 eCD GENERAL CONTROLS 05 29 26 CO EDT FUMODE ort PRESEN d 19 TwESCLOCK EDIT ONE TOUCH EOT TAPE CONTROL
18. ben mg Il mm g ems pass Il n je mus JL In OT bag owe 1 ar e been js eem IL fase WUERIS Y mg IL Inn em Ee m umi em reor meum Im m TI 1 n posi e meom eme m ae mer m mex em m jam um Jm er s mu e Sea or SEH EE m gm ll en m gei mew 1 e mo ome pe zl sS mm jm EE EE m or Le s 8 EE 78 RX DT707 RX DT707 CABINET PARTS LOCATION MECHANISM PLAYBACK F650 _ NN 2 76 5 REC PLAYBACK 1 1 CS3073 CS3093 Sirm EE S ee RX DT707 RX DT7
19. 18 8 8 8 1618 8158 5 2 8 2 35 8 123 8 2 2 8 2 2 5 EE EE EE EE E EE EE EI Ez 55 56 3 3 512 25 23 83 lt gt 81512181518 Bs B BIBINIBIES SNISISISIBSISISISIS 8 25 Ap 180 HN 167 0 010 NN 1000P 1000P 0 010 16 18 0 0229 100 16 0 010 19V 0 022 0 0221 DY 330P 10V 0 058 167 0 0820 16V 0 012 WW 67 0 0220 167 0 024 167 10V 0 024 HI 1000P 470 1000P 330P 18V 0 034 167 0 018 167 0 047 10V 35 S EE lt gt 33 22 A 25 23 55 52 55 25 23 23 3 3 58 gt Sis 23 138 lt gt lt gt Ge gt lt gt lt gt amp gt le 25 25 25 2 2 B 2 5 fet Cag CLJ Cad f f tad E Bis 5 22 4 SIS 58 23
20. CD 1 kHz 0 dB schematic diagram may be modified at any with the development of new technology FM Signal Line AF Signal Line Mic Signal Line Exp CD Signal Line w mm LB Line K 27 Recording Signal Line RX DT707 RX DT707 MAIN CIRCUIT 20 115 9405 505 25 3312 BUFFER 3K501 1 A x E Gy gt E 48 O 86 le ub Sx EWI Lounen 5011502 ap 29 28633 L Wi ary Lch i Ss 95006 2SAI309AIR TA SWITCHING 10601 MCI4052BCP INPUT SELECTOR JK602 0 CD OUT Cb 048 CONNECTOR 2 al CIRCUIT sr 4 83072 0 9 Creme SY exo en tare pen WI aen GIRCULT 62307 Page 26 d Co PANEL OPEN CLOSE CIRCUIT 10460 729 5 SCHEMATIC DIAGRAM MAIN CONNECTOR PANEL OPEN CLOSE ASP LOADING M 0405 404 503 504 MOTOR DRIVE 16602 MCTAHCOAAN POMA 4601 SELECTOR 7g p UN4IIITA CONTROL 25 E MUTING CONT 293 53 ___ MOTOR PARKER 9656 R 65 684 VK 62K 56K 662 368 OPERATION 685 ko to 3
21. kv jm mobs mmm 1 1 Iesgkammn TI nee jemun mt K s eme mus uv di oa oi m je m m m je jm Jew m mem wm e pm uer mem p IIe ee m mmm mma EID Ei m mm berne mw 70 RX DT707 RX DT707 5 a 8 E E 5 25 52 E Sei s 8 gt gt 855 8 2 T aim Ee HOLDER FUSE HOLDER DISPLAY 160 AB EYP S2BC JE 5 T f 15087 1 a E ut TRIMMER CAPACITOR pt Part amp Description Renarks S SUR a ATS CrO2 DECK WENN gp Ir PROTECTOR Dk 02 ze musco bmeueg zg 5 5 5 5 BIB e SIE 515 2 S
22. mw aun TI mm mw RFKNLPG440 K DRIVE RACK ASS gt vi S ARE S 5 2 2 2 2 n 260 31 118 118 121 m 127 128 a T eer LEVER LEVER ASS Y t 8 8 e eg gt 5 2 Ss ez ez 8 8838 1818 E 2 gt 7 E B B S BS 2 e E 5 ala S EE 5 Bim 8 18 53 5 188181 5 8 2 8 2 2 EE 231 1 A a 5 e em 7951 REEL TABLE ASS REEL TABLE ASS Y PINCH ROLLER ASS Y PINCH ROLLER ASS Y FLYWHEEL ASS Y b i SCREW MOTOR 55 Y PLUNGER ASS Y GEAR 1098903828 10003728 san aw LEVER 103009828 108008778 309 00157 XYC2 RHED15228 15001878 12001778 Ref Part Part Name amp Description RNL1802B us es 201 1 21 b
23. 2 Remove the cassette holder by keeping the d ribs 1 Press the eject button and then open the cassette holder pressed in the direction of arrow Eject fever Cassette hokler DECK 2 DECK 2 DECK 1 1 Press the eject button to open the cassette holder DECK 1 and DECK 2 Eject spring spring DECK2 DECK 1 2 2 Remove the eject spring 3 Remove the eject lever in the direction of arrow Illustration cf DECK 1 Wests 27 2 5 Fit 2 claws into the groove af the eject 6 Remove the rod in the direction of arrow 4 Remove the eject button in the direction of arrow NOTE Please refer to pages 10 13 in the service manual for Model SL CH550 Order No AD9208264C8 for information on INSTALLING SERVO CD P C B INSTALLING OF GUIDE SHAFT UNIT ASSEMBLY INSTALLING DISC TRAY UNIT and INSTALLING DISC TRAY Er RX DT707 eINSTALLATION OF CASSETTE HOLDER Cassette holder Spring 1 Install the spring of he cassette holder 2 Fit the spring of the cassette holder into the groove ee ee 3 Fix the rib INSTALLATION OF MECHANISM UNIT mechanism unit by connecting the connectors correctly elNSTALLATION OF FRONT PANEL install the front panel by connecting the speaker connector correctly Speaker connector 605 e MEASURE FOR TAPE TROUBLE cassette tape cannot be removed from the deck
24. 299 2116 9 4482 d 2 RA Loh OUT tt 8 De epp g 0 2Y 01Y 0 li emn our e H 6 E asi te 2 0 oun Send 9 0 PLAY H PIT LO sw 7 i en 9 OS ps DN d mt fo 6 B II gare ul FIT L s 1703 M ANB3895EI d 8 4 MCLK 0 c e 4 SPINDLE MOTOR ORIVE 5 SO ze come 8 amp Ces s 2 4 2 i SENSE z TPIO Q 65 z F 2 FLOCk 2 x E 6 9 7 TLOCK 0 a D 5 TPA H B LKCK dd f TPT 0 E A S 7 sack A g 4 6 SUBQ 5 O MUTE stor FPA PLAY 7 35 L o Em ve D gt Ve S Pte e PESE Ze mro2vrDIV N 330 80 n rj sw 701 REST m TPG in RX DT707 Notes Tuner circuit gt switches VRs for CD circuits 5701 Rest switch eVR70i Besteye adjustment VR lt for Tape deck and Mechanism circuit gt 95951 Deck 1 mode detect switch 85976 Deck 2 Metal tape detect switch 95952
25. TUNER el a DECK 2 motor contro signal output ow Caen Tuer aal DECK 1 motor control signal output 5 ws High speed editing control DES 12 13 4 7 Beat proof control signal output EC DECK 2 plunger control signal output el wm DECK 1 plunger contro signal output d RX DT707 1 701 AN8802SCE1V PD A channel signal input with delay PD channel signal input without delay use bem Em D pU AGC loop filter connection spac Terminal Name PDAD PDA PD AMPI e CAGG ARF CENV CEA EE rcr H L OFF H shunt zeen T NN ooa Deme Leen Ee egene Tracking error output Focus error output age Potentioamplifier output no use open LDON TES PLAY WVEL BDO RFDET CROSS OFTR 21 VDET ENV TEBPF m 0080080060 Potentioamplifier inversion input 27 PTI use open TBAL Tracking balance input Focus balance input VREF output PD B channel signal input without delay PD B channel signal input with delay FBAL VREF PDB PDBD 702 MN66271RA Terminal Name Bit clock output for serial data E used open 1
26. 10 611 85 A SIBIEIBISISISISIS lt e eim NEBEREREEN 55 g 3 5 2 2 lt gt gt C p Cc gt lt gt Ext 53 53 e gt lt gt Se lt gt lt gt gt lt gt La 25 sg C648 52 16V 0 024 KAN 47 21 47 501 90V 100P 509 0 220 90 330P 90 100P y 2W 470 00 10 amp N 4 IN 100 E 25 S pe 22 BI SIS 3 5 5 5565 5 5 5 2 21122 22 EA JE SIRI 8 SS 8 18181888 EIE 2 25 2 2 5 2515 BEBE 2 3
27. 7 S D K BUFFER 8 ce OSC vl xls 92529 015 14 25633 9 Pee ni 12 Ql LW MW SELECT XIN CE CL 860 802 25 1309 5 291 LW MW SELECT E Vos PD2 PO FM IK ANIM 51 25 5 2 12 WI E ER Ra ra mmc 05 RVYTDTAI43XST SWITCHING E 06 ton i PLL FREQUENCY o 23 SYNTHES ZER 25033 e 5 FM LV MW 5 6 LOOP FILTER 5 98 419 07 e 09 10 oe 25633 1 WI DC DC CONVERTER F 19 RX DT707 RX DT707 11 12 13 14 15 16 17 18 19 circuit A OPTICAL PICK UP CIRCUIT 2 25B709STW 2o LASER POWER gt DRIVE 0 I0K18 3 PLAY 4 otrie Ka 16701 a 8025 20 0 5y r 02wQIY 58 p SERVO AHP v K580f E Ai E jaov P p d 8 1 702 am Ur Kov MN6527IRA 6546 SERVO PROCESSOR DIGITAL s SIGNAL PROCESSOR OIGITAL in 1 FILTER O A CONVERTER Sra O ag 8 3 A 6 x i N 48799 GEO OU Eh 16702 TRACKING Cu TP39 1 d Focus 91 Un coe J
28. 9 2 by moving coil along and radiate a signal into A Coil the ferrite core connect lhe wires o the loop ant of receiver the plug thomeasuring Ninstrument 1 Fix antenna coil with wax after completing alignment e ALIGNMENT POINT LW ANT MW ANT 94 Headphones Jack Fig 1 Fig 2 Ss 4 eALIGNMENT INSTRUCTION READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT 5 volume control to 5 eQuiput of signal generator should be no higher than necessary to obtain an output reading e Sat power source voltage to 15 V DC Set power switch to function switch to AZIMUTH ALIGNMENT INDICATOR TEST TAPE ELECTRONIC VOLTMETER ADJUSTMENT SPECIFICATION REMARKS or OSCILLOSCOPE Headphones Jack 320 QZZCFM 8 kHz 20 dB Azimuth Screw Refer to Fig 3 1 Playback mode maximum 2 Adjust for maximum output and then connect the lead wires of the plug to the measuring instrument TAPE SPEED ALIGNMENT INDICATOR TEST TAPE FREQUENCY COUNTER ADJUSTMENT REMARKS 1 Insert test tape QZZCWAT in DECK 1 and slart playback in forward direction Adjust VR303 until the frequency is set to 3000 20 Hz DECK 1 This frequency is defined as F1 NORMAL Start playback DECK 1 in reverse direction Adjust VR303 until the frequency is set to 1 40 Hz Short the test point and to set the h
29. CN701 Note Insert a short pin into the flexible cable for traverse unit Flexible cable Short pin Loading motor P C B Loading motor T Loading motor Terminals 3 Remove the screw 4 Unsolder the 2 terminals of loading motor Traverse unit 2 Release the claw and then remove the traverse unit in the direction of arrow 14 RX DT707 RX DT707 _ _ Procedure 1323475 222425 Procedure 1 Remove the spring 12224 7 2 Push the claw in the direction of arrow 22 324 925 926 1 and then move the slide plato 1 in the direction of arrow 2 3 Remove the conversion lever the direction of arrow Slide plate 1 Claw 1 Remove the spring 2 Release the claw in the direction of the arrow and then remove the lock lever in the direction of arrow 2 Removal of the Traverse Chassis Procedure 19234475 22 24 25 Traverse chassis Slide plata 1 1 Push the claw in the direction of arrow 0 and then move the slide plate 1 in the direction of arrow 2 Ref No Removal of the Slide Plate 1 and 28 Slide Plate 2 Procedure 129224515 2223245255 26 2728 2 Push 2 claws B in the direction of arrow 3 and then remove the traverse shassis Slide plate 2 E Removal of the Slide Plate 1 Removal of the Slide Plate 2 e
30. Play an ordinary musical program disc 2 Press the manual search button to check for smooth manual search operations at eilher low or high speed in both the forward and reverse directions 52 RX DT707 NEW DIGITAL SERVO CIRCUIT This model employs a new digital servo circuit Compared to the old digital servo circuit the following points have been improved 1 Reduced operated noise Loading mechanism 2 level speed reducer 2 Reduced access time 010 2 9 seconds new 1 9 seconds Change of traverse gear 3 Improved vibralion resistance Rubber and spring 2 level floating mechanism 0 50 Hz old 20 Hz new 4 Reduced number of parts Use of a single super tip 3 chips MN6626 6650 MN6475 are reduced to single chip MN66271 DIGITAL SERVO SYSTEM OLD S Only 1 VR requires adjustment best eye adjustment MN6626 MN6475 D To EMF demodulation _ pigital __ Digital audio Au MN6650 Digital servo processor 2 1 1 1 1 4 1 1 1 1 1 1 1 Focus coil Lens Tracking coil a ae d ok A D conversion Focus error output signal Soft microprogram processi Tracking error Y oulput signal Traverse coil Ee am Microcomputer DIGITAL SERVO SYSTEM NEW 9 6271 Only 1 requires adjustment best eye adjustment Digital servo processor 2 CH 42 EFM Digital audio
31. RF signal gt playback demodulation Digital Filler A D conversion Focus coil Lens Focus error signal Tracking coil y Soft microprogram processing Tracking etror output signal Microcomputer Refer to the service manual for Model No SL CH7 Order No AD9104084C3 for information on DIGITAL SERVO SYSTEM and CHECKING THE OPERATION PROBLEMS ON THE TRAVERSE DECK OPTICAL PICKUP 53 RX DT707 SELF DIAGNOSTIC FUNCTION The Self Diagnostic Function is equipped with RX DT707 Use this function only when you wish to check the following items It is necessary to use the remote controller supplied with RX DT707 for the self diagnostic function eCheck of malfunction of switches tact switch on the cobra top Use the diagnostic function when a switch on the cobra top is inoperrative eCheck of all indications on the LCD a the diagnostic function when an LCD is not displayed correctly eCheck of LCD short circuit B How to set the self diagnostic function Follow the procedures outlined below to set the self diagno 1 Connect the AC power cord of the RX DT707 to an AC and Wumion m ul 2 Press 4 button and aflerward 7 button the remote controller while keeping the button pressed The indication in Fig 1 will be displayed OF MALFUNCTION OF SWITCHES Tact switch on the cobra top 1 Press the 3 b
32. UR identification signal output no use open SRDATA Serial data output no used open Power supply input for digital circuit 5 GND ior digital circuit Digital audio interface signal output Microprocessor command clock signal input Latches data at first transition MDATA Microprocessor command data signal input SENSE Microprocessor command load signal ITLOCK input ET Sence signal output OFT FESL MAGEND NAJEND POSAD SFG Focus servo feeding signal output L Feed Tracking servo feeding signal output Fead Sub code block clock signal output IBLKCK 75 Hz during normal playback SQCK External clock signal input for sub code Q register Sub code Q code output Status signal output 17 STAT CRC CUE CLVS TTSTVP FCLV SQCK 1 2 divided clock signal of crystal oscillating at MSEL H ISMCK 8 4672 MHz 1 4 divided clock signal of crystal oscillating at L fSMCK 4 2336 MHz 1 192 divided clock signal of crystal oscillating 88 2 KHz use open a ww 9 Deepen TVD Traverse drive output Spindle motor ON signal output CU ON Spindle motor drive signal output forced mode output Spindle motor drive signal oulput servo error signal output Kick pulse output Tracking drive output Focus drive output D A driv
33. VOL Top panel open close button TOP PANEL OPEN CLOSE Play button gt Press this button to start the disc play 6 CD mode stop button CD D Press this button to listen to the CD or to stop the playing 68 AC connection indicator While the AC mains 5 nad it lights as an AC connection indicator 09 Play mode operation battery check indicators It functions as a battery check indicator when the unit is operated on batteries 6 CD open close button CD OPEN CLOSE RX DT707 eTUNER CONTROLS 3 Tuning mode button TUNING MODE Tuner band button TUNER BAND Press this button to s 3 Display section Dm OO D P eDECK CONTROLS elect the desired radio band Band indicator FM MW LW Frequency display Channel number indicators Program indicator PROGRAM Tuning indicator Stereo indicator SE a dM DER _ cp Edit recording buttons ONE TOUCH EDIT Press one of these buttons to start the synchronized edit recording Deck 1 2 selector DECK 1 2 Press this button to select the operation deck deck 1 2 Reverse mode select button REV MODE 87 Counter reset button COUNT RESET Press this button to reset the tape counter Rec pause button 11 Dolby NR button DOLBY NR Deck 1 cassette eject button 4 EJECT Deck
34. 1 cassette compartment cover Deck 2 cassette compartment cover Deck 2 cassette eject button 4 EJECT D program sensor buttons lt lt gt gt Press one of these buttons to fast forward or rewind the tape during stop condition or to skip to the beginning of the next or present tune during playback D Tape mode stop button Press this button to listen to tapes or to stop the tape D Reverse side playback button lt Press this button to begin the playback or recording from the reverse side of the tape Forward side playback button gt Press this button to begin the playback or recording from the forward side of the tape Display section Tape mode indicator TAPE Running indicator Deck 1 2 indicators Reverse mode indicator Dolby NR indicator Recording indicator 29 Tape direction indicators 44 TR CONTROLS Timer play button Press this button for timer play Timer recording button REC TIMER Press this button for timer recording Sleep button SLEEP Press this button when you wish to fall asleep while listening to music 62 Timer clock button TIMER CLOCK 63 Display section Timer ON indicator ON Timer play indicator TIMER Timer recording indicator TIMER REC Timer OFF indicator OFF Sleep timer indicato
35. MW Vcap Control Signal Line mum Tape Playback Signal Line gs Mic Signal Line FM Signal Line ech LW MW OSC Signal Line CD Signal Line Recording Signal Line m B Line RX DT707 E SCH EMATIC DIAG RAM eTAPE DECK AND MECHANISM CIRCUIT Parts list on pages 69 77 12K ceu 4109 003 105 9101 0 4210 EQ REC EQ d HIGH SPEED 001 201 2SJ40CDTA HEAD SELECT PB EQ REG IREC 08 ALG TPS AMP 002 202 2SU40CDTA HEAD SELECT PLAY ON R P HEAD ME 318 ERASE HEAD x H 212 MO D4T R328 319 R35 R38 Ca 3 3K 12302 55 2 SELECT 34 00 192 ae ST 4 9303 Be 25014505 SWITCHING 1 ON 33 215 Imm 9 SI 4203 205 0204 4210 EQ REC EQ REC HIGH SPEED Cro 0307 308 250145087 open BIAS OSC oY 5 oy 23053 xo J 2 mn CZ com v 25 55 4 oam 458224 859 CH 2704 305 9304 arn UN4210TA asiz 9322 EIAS 056 CONT di s im 1 0304302 25 238955
36. On es 15 Er aa 113 Ai 5 5 2 An Jasu ev 5 Yin fo x A o Ein Eig 15951 effet 4 DNGESIALE Te 9915 94 2 f 16951 HALL IC 2SBIOJORTA 5854 5 Ss 24 Se SOLENOID DRIVE US MECHANISM DECK2 CIRCUIT MECHANISMIDECKI CIRCUIT d p 25 26 ME Notes tor Main circuit 3650 AC DC select switch 85681 Disc iray open close switch CD OPEN CLOSE 85682 pane open close swilch OPEN CLOSE 89683 Volume up switch VOL 5684 Volume down switch VOL 5685 Operation switch OPERATION 5686 CD stop switch 5687 CD playback switch P 55588 Function select switch TUNER BAND 9689 Deck forward side playback switch gt 3590 Deckreverse side playback switch 4 95891 Deck stop switch 95692 Deck fast TPS switch 25893 Deck fast TPS switch 44 15 3790 Disoireyclosedetectswitch 5791 Disc tray open detect switch 4 54601 panel open detect switch 54602 panel close detect switch LCD circuit 45800 AI jog dial Ai JOG E 45801 Program switch SET 45802 Cance switch CANCEL 5803 Timer ctock switch TIMERICLOCK 5804 Sleep switch SLEEP 5805 Timer recording switch REC TIMER 5806 Timer pl
37. atc are used When replacing any of components be sure to use only manufacturer s specified parts shown In the parts list The parenthesized indications in tha Remarks columns specify the areas Refer to the cover page for area Parts without these indications can be used for all areas Remote Control Ass y Supply period for three years from termination production 5 sm i 1 ww pers be LI 12 FM mg EXD musst Seat ben emm 1 6 PLL FREQ SYNTHESIZER 16800 euro 00 05 Mons IP Di Vera pm kon be EE Du E Il ass 0305 Tag TRANSISTOR emm ica petz aus Lan mem es Leem ee TEUCONICI I mp pm ues owes IS eu em pm ba Is am D mom kw es jem maen Deeg km Wee ees RER x mm bes LI km em ae LI bm beier TI ber Je Reg mm bes LI m e ker EE mme hu m m km wes ooo mes
38. check the tape deck under this condition 4 oq d 1 check and adjustment of CD P C B t Follow the disassembly instructions of Ref No 7 Removal of the CD unit to remove the CD unit Referto page 9 CD unit holder 2 Remove 2 screws 0 4 Slide t the lever fully in the direction of arrow 1 and pull the CD P C B 3 Remove the CD unit holder toward you 5 Connect the extension cable 20008 to the CD CS7021 x power supply TT PCB 650 To power supply CP650 Check and adjust the CD on this side 6 Connect CD unit to the main P C B 11 Place the CD unit as shown above 7 Connect the power supply connector to the power supply P C B sure to check and adjust the CD P C B under this condition 650 8 Press the CDI button Power i is turned on and the deck is set to the CD function mode 9 Press the CD OPEN CLOSE button to open the disc tray 10 Load the test disc into the disc tray and press the CD OPEN CLOSE button to close the disc tray Check of electronic volume P C B Follow the disassembly instruction of Ref No 4 Removal of the main unit to remove the main unit Refer to page 8 Top panel Mechanism unit RX DT707 Be sca hot te bend or braak the C3854 Release the connector 54601 Connect the power supply connector
39. gt 5 6 gt 1 52 55 56 5 10 516 517 518 10 gt 16 517 gt 18 1 Remove 6 screws 2 Remove the holder Al control button 1 Remove the jog dial e Release 5 claws in the direction of arrows 2 Release 2 claws in the direction of arrows 12 Procedure 124 7 gt 20 1 52 54 7 gt 20 gt 21 1 Slide the lever fully in the direction of arrow D The traverse unit goes down 4 Lift the disc tray in the direction of arrow 5 Unfasten the rib from the claw of the chassis Magnet holder Magnet Plate 1 Release 3 claws in the direction of arrows 2 Disassemble the disc clamper as shown above 2 Move the disc tray slightly in the direction of arrow 2 and unfasten the claw and the rib 3 Remove 2 screws 6 Remove the screw 7 Remove the slider and the shaft 13 1 gt 2 4 Terminals of traverse motor e Terminals of spindle motor 1 Remove the 3 screws 0 6 2 Unsolder the 2 terminals of spindle motor 3 Unsolder the 2 terminals of traverse motor Procedure 1222437 320 521 23 1 Remove the belt 2 Remove the 2 screws Procedure 122247 gt 22 gt 24 1 Widen 3 bosses by using a screwdriver and remove 3 pins Slide the top of the connector in the direction of the arrow 1 and dissconnect the flexible cable in the direction of the arrow 2 4 Remove the flexible cable
40. since the tape is caught by the capstan or pinch roller during playback or recording rotate the pulley in the direction of the arrow to remove the tapa SCHEMATIC DIAGRAM eTUNER AND CD CIRCUIT pages 9 77 RX DT 07 RX DT707 1 2 3 4 5 6 7 8 9 10 TUNER CIRCUIT 019 019 14157 MUTING 25033 IRTA MUTIAG E 018 RVTDTAIA3XST SWITCHING 5 ST 358 i 1 FM FRONT END 2 MUTE Glo our Ca TT AD c 5 8 32 1 C T 70 v Y Y 88 38 z Ge 91S a STT Vir o 000 dei GY 19 44 88 H Can Y 5822 49 os FW ir Aw SE 11 05 5 mii A RVTDTAI43XST TELESCOPI POWER SUPPLY ANTENA 25 ICI TABI32AFET AM IF AMP DET xt OSC MIX 4 2 C ax 2 6 gt 5 23 Te ST LED consec onc i CIRCUIT 2513 ei Ki 8 E sid 5 ds Page 32 9 9 PLL CL ST sE 25C2786LTA dee
41. the player Play mode and place it as shown In the figure on the right 4 Altemalely adjust the two mechanical adjusting 1 screws with the 2 0 mm allen wrench 522 11010 Ok JUIN NV V until the RF signal amplitude on the oscilloscope is CY GEET maximize Shown 7 LIT EE ig d 5 Alter completing the adjustment lock the mechanical adjustments wilh lock paint 8220101 Maximize the W 2 BEST EYE BALANCE ADJUSTMENT 1 the 1 probe across EL 2m VREF on the Servo CAAA AT setting e m LN VU 1 on test disc SZZP1054C 3 Adjust VR701 the RF signal eye pattern ampli tude is maximized Shown in Fig 6 VN VN the 3 CHECK OF PLAY OPERATION AFTER ADJUSTMENT Checking Skip Search 1 Play an ordinary musical program disc Checking Playability 1 Play the 0 7 mm black dot and the 0 7 mm wedge on 2 Press the skip button to chack for normal skip search the 051 disc 922 1054 and verify that no sound operation in both the forward and reverse direc Skip noise occurs tions 2 Play the middle tracks of the uneven test disc and Checking Manual Search verily that no sound skip or noise occurs 1
42. 07 MECHANISM PARTS LOCATION 1 PLAYBACK 165 eREAR VIEW eFRONT VIEW 126 t 2 i SCH a the specified grease to areas marked When changing mechanism parts apply as shown in the drawin Note 116 RZZOLO9 FLOIL 947P RZZOLO2 FLOIL GP 501A FLOIL AK 152 SZZOL18 82 RX DT707 RX DT707 MECHANISM PARTS LOCATION 2 RECORD PLAYBACK FRONT VIEW VIEW NS Note When changing mechanism paris apply the specified grease to areas marked as shown in the drawing No FLOIL AK 152 5770118 zz HE NL Y d Der EPA d d C Zi 7 A his dr pa D Y Y 5 5 2 7 FLOIL m ap soia 8220109 e FLOIL 947P 8220102 RX DT707 wen RUBBER BELT SCHER PIN A PIN B TRAVERSE CHASSIS SCREW aa ae ee _ Exi WEE po 2 2 TREES aise oT uud NE poa ui mp prev mem pa TANSWTESY 2 00 9000112
43. 37 8062129 emm mn 5 wm 808070802 Vun m nm 14 o fa mmer ym hzs men i ma emm ym FERE up 1 esiss Pen a Ian er eum x mm VN 10 ym m Roo 1 Mr ee ye LEX Femme Ms eum um mp eum mm pos mem gx e VN 427 428 1 2 beer vs ben vs i o eau PE VN mem ig mn eum Tun 10 wm moss m meum vw Qmm ue i em Fee DEI R2 o em L R ma Perm 022 025 5 em vu ur kee Fee ks yr ix ur e mes pe beer M5 sms 14 a pm era mp asp um e er Feuer DU 9 em 9 mp RAM bp LN 81 be 2 RAS eu e 3 em Rm5 Bun ION m une m e mp jaso kene ve mn ee m eene oa emm Tu TET R50 em wn mes ug 4 BI mmm ww m _ Gk Ws ya az es ve m vs sx e been beem E mm vs es eg ms vs s E um sr e eru e be mr es beem 1 T mem e e beer be men ege m Fam vs wc jux pene vr p
44. 4 5 5 OPEN CLOSE ICD cios TOP PANEL f 95001 UNA2IFTA SWITCHING g 55 55 D 569 pp 29652 1 59 CBS 44 5 3625 TAF 95002 0802 C 344 aec tuner 34 601 2S8C33 IAIRTA POWER SUPPLY POWER SUPPLY CONT OPE RATION CIRCUIT TE 28 RX DT707 RX DT707 3 MOTOR OPERATION HEADPHONES POWER SUPPLY AND LCD CIRCUIT paristist on pages 69 77 6 7 8 9 10 11 12 13 14 ASP CIRCUIT 16604 12565 SURROUND AHP pe 135FP E C3553 1690 C320 5040 22 d t 420 5010 22 x 4505 soyt SESULATOR 6547 E405 moor KIDOP 51 K A 8v 38Y 38v 3 84 SY T TS 9408 508 25233 SWITCHING TECHNO SURROUMD 60 5691 XIDO 3456 34 2604 618 A 5 25C3312RT BUFFER 54 45 aw h TERI 8 Sl Ste 0618 28633I2RTA 1918 MIXING e ofj AT 3 0605 35 053 23033 QEOROKORONONO zg 6 SWITCHING Sek zs LA4845N P 2 Ti POWER AMP ne Ec E d o 12607 RESRASOAA TZ REGULATOR 9504 612607 3 504
45. 8 e short circuited Measure voltage Below 0 4 V failure or disconnected across R701 i test disc NG Is there output NG Are there outputs at pin of 177022 pins 9 and 46 of Turn on close 703 switch 5790 0 4 Optical pickup failure Remains at IC 702 failure 703 failure HU Check of uh Above 0 6 V Measure voltage RFDET between and i of Q701 ts there an output i at pin 6 of IC702 TRV Remains at D Check CN702 E FLOCK Changes from Hor SCH 703 failure 1 702 failure 1C703 failure 701 failure TAT tian LN ickup is efective Ay 3 56 RX DT707 FUNCTION OF IC TERMINALS 603 M50253P The Is employed IC305 and 12603 mum me RU Name Name e ___ 1 Function contro signal output 6 TUNER L STERE o VOLATT EN Electric volume muting 10 dB 13 1 LD CLOSE ris a fw 1C305 M50253P The same is employed IC305 and IC603 Eil e EE Function select at TAPE position 4 TAPEL
46. AUSE SH COUNT RESET SH REY MODE SH SH AUX 1409K 1409K 109K 1409 1409 1409K 409K 1409K 1409K 5 1 D PES B SF TITLE 1409K PRG OQ asc P2 n RX DT707 RX DT707 d E usta s Wi mp emm ji a 67 Peng Lx mor 05 527 528 Peer 047 Resistors 5 eps 20 88082718237 zs Am RT eu ms us ii i eum 148 mp Im 2 807 mus LAN Lg pui Fee Ier meter R673 bes ys us a eng hs i qmm em o mis UA 18 us 5854 Ve 1 Bs us m ene us im bu Faas vm su gum ve s e ue ix s va um ben vs 2 ws mnm us o vs s ua X mem Riza Fenn Raz Dem AD 12 par gem 9 5 A ben vs tr ea e xz S bem Re es sten 560 H 2 Ros meuz pus um mi gem em ies Get lg wm je ge IAN R
47. Deck 1 cassette tape insertion detect switch VR301 Deck 2 tape speed adjustment VR HIGH 55953 Deck 1 CrOJMETAL tape detect switch eVR302 Deck 2 tape speed adjustment VR NORMAL 95971 Deck 2 mode detect switch eVR303 Deck 1 tape speed adjustment VR NORMAL 3972 1 Deck 2 cassette tape insertion detect switch e VR101 85973 Deck 2 record praventlon tab detect switch REV 8974 Deck 2 record prevention tab detect switch FWD 9201 Reh playback level Dolby adjustment VR eVA202 Deck 2 playback leveliDolby adjustment VR 3975 Dech 2 tape detect switch General gt m de 1 voltage measurements taken with electronics voltmeter The negative terminal of the battery provides negative meter connection paint Deck 1 Lch playback level Dolby adjustment VR eVR102 Deck 2 Loh playback level Dolby adjustment VR 4MMN lt gt 00 _ No mark TAPE PLAYBACK DECK2 TAPERECORDING lt lt gt gt SPEED EDITING Important safety notice E We eg 25 24 Components identified by markihave special characteristics important for safety When replacing any of these components use only manufacturer s specified parts MEE This schematic diagram may be modified at any time with the development of new technology Ex FM OSC Signal Line FM LW
48. ICKI00B 15V 10 eweg aam uar pees Soe 0733 ECUZIEI04MBN 3552 3553 ECEAICKLOOB 16 100 Ee sl Ce GE EEN ILI IE pr agoe CNET GEEK ee _ 018 pee bu Frae CNET EVER nol pee GE LR w mp casos p am hie EC bem tad C804 ECALAKF820B 10V 820 5001 BEER 00 89 810 w 22 ee pem gemens sw e eo A Dm am MM OMNE bun Fame we 0 E bs ams 1 e usech 0 EE DESS EE NEEN agoe BEE EE e mmm Jee 0 LS E mm tg 0 Moo dele se vm o Fouen AM 0 du Ie RX DT707 nes mms mu pee EE EE p eer kam Femmes Se coven b mam me rer JI LC mam e JE en jump Pom e b mmm IR em _ sm emma m eu wm b Kean bom rea Chance escher
49. III T1J 22T T3331 S EJ121 44172 82165 BELL 02585 HLDZKBS THRPKCS WERKES 521103 280521102 10521103 14272 JE 5 1 lt gt HURT 2199241 3 c LLJ ea 5 c Ez e E gt xxix 2121518 Si 5 gt 5 95 Se m a a TVS 5 5 35 335 3 21 5 Gs Ge E es 65 s S SISISIEISIS EISISISIS 2 SISIB 2 2 2 2 8 2855 8 c3
50. ORDER 0930205002 Service Manual Portable Stereo CD System Radio Cassette MASH RX DT 707 alice Colour DIGITAL AUDIO Areas DECK RX FD55 MECHANISM SERIES AR300 TRAVERSE DECK SL CH550 MECHANISM SERIES 01112 SPECIFICATIONS General Radio Section Power Requirement AC 230 240 V 50 Hz Frequency Range FM 87 5 108 MHz Battery 15 V 10 R20 LR20 1 LW 144 288 kHz batteries MW 522 1611 kHz Memory Back up for Computer Intermediate Frequency FM 10 7 MHz Clock AM LW MW 459 kHz 6 4 6 3 batteries 5 0 1 mW output Power Consumption 57W 3 dB Limit Sens Power Output Low ch 14 6 Wx2 PMPO LW 100 uV m 0 1 mW output High ch 4 2 Wx2 MW 56 3 uV m 0 1 mW output Speaker Woofer 10 PM Dynamic speaker Tape Deck Section 2 70 30 16 000 Hz with normal tape Squawker Tweeter 8 cm PM Dynamic 30 17 000 Hz with CrOz tape speaker 8Q 30 18 000 Hz with METAL tape Inputs 2 5 mV 200 6000 23 5 Recording System AC bias AC erase Deck 2 AUX 200 mV 47 Tape Speed 4 8 cm sec Outputs HEADPHONES 320 3 5 Monitor System Variable sound monitor CD OUT 1 V CD O dB Track System 4 track 2 channel stereo recording and Dimensions 710 W x205 263 D mm playback When the top panel is open W
51. Push the claw in the direction of the arrow 3 and remove the slide plate 2 in the direction of tha arrow 2 e Move the slide plate 1 in the direction of the arrow 1 and remove the slide plate 1 in the direction of the arrow 2 15 Procedure 142 437 32032129 the disc tray in the direction of arrow by keeping the 2 claws pressed 58 Removal of the Power Removal of the Battery P C B 9 Procedure Procedure 12224231 124532 1 Release connector 651 2 Remove screws 0 0 1 Remove the connector CP651 2 Remove the battery P C B in the direction of arrow by keeping the claw pressed in the direction of arrow 0 4 6 Removal of the Back up Battery P C B ATTA Ref 33 Procedure ie Baton cover 1 Remove the battery cover 2 Remove the back up battery P C B in the direction of arrow 2 by keeping the claw pressad in the direction of arrow D eRamove 8 screws Ref No Ref No Removal of the Speaker Procedure 122235 e 20 1 Corers Speaker connector Tweeter speaker Tweeter speaker 1 Remove 8 screws 9 2 Remove 2 covers eRemove 2 screws 0 16 RX DT707 n Removal of the Cassette Holder Procedura 1225 37 Cassette holder DECK 2
52. S4601 2 Remove the top panel holder in the direction of arrow Remove 4 screws 0 0 Procedure 1225495 5565105 11 12 13 3 4 Release the hook the direction of arrow and remove the gear in the direction of the arrow 2 5 Remove the gear B 1 Remove 3 screws 0 6 2 Remove the holder and plate 6 Remove the screw Chassis Shield plate 11 Remove the screw 12 Remove the shield plate in the direction of the arrow 9 Resolder 4 solders 10 Remove the 7 Remove ine screw 8 Remove the chassis Procedure 12254555 651051114 1 Remove 2 screws 0 _ 2 Remove the earth plate 3 Release 2 claws in the direction of arrow SES Removal of the ASP and Ref No 16 Procedure Procedure 1222495 122555 789 415 6510516 Pull out 3 P C B s in the direction of the arrow Removal of the LCD P C B Procedure 2 Remove 4 screws 0 0 Display panel 3 Press the claw in the direction of arrow and then remove the display panel in the direction of arrow 2 4 Slide the display panel in the direction of arrow 3 Ref No of the AL Control Ref No Removal of the Jog Dial and 18 Button 19 Cancel Set Button Procedure Procedure 7 1 gt 2
53. WITCHING HBP i er 4 STEM CONTROL o gr tto LCD DRIVE e 5 8 815 ART 22 580 5 qw won a KE ee EE E Jet 5B053HN8 T wierd SEENEN ag Srel b CIRCUITICS 8001 B d 31 9 MDATA 5 510101146 NT suba 029 k roek 1 a woe az 9465 ukata 230 tren ER sense by pma EK ax d 298 22 44 18v 300 a i8 x P 996 a 9998999 50868 gt gt gt gt gt gt gt gt 1 gt gt 7 gt sz 52 9 al ebe 85 E SEI gt 5 3 i 852 3 Tv b 2 56801 D aped efghl ur 25033 CR BUZZER DRIVE To ve oer CIRCUITACS D 1 pe bg S pus D HUTE 13 b 29 ADIN Magy 55 34 35 RX DT707 RX DT707 E PRINTED CIRCUIT BOARD DIAGRAM 2 3 4 5 6 7 8 9 10 22211 1 P C B 1316 LE 04 7
54. ag output m CH Interpolation no use open erum H E rough servo no use open CRC Sub code CAC checked oulput OK L no use open De emphasis ON signal output H ON no use open RESY Frame resynchronizing signal output no use open Reset input through MASH circuit ome omma 71 e ow few oun RER signal polarity assignment input 76 RSEL at H level RSEL H at L level 85 i 7 16 9344 MHz 33 8688 MHz 78 PSEL Test input normally L Output frequency switching for terminal SMCK 8 4672 MHz L SMCK 4 2336 MHz no use open SSEL Output mode switching of SUBQ terminal H Q code buffer mode Spindle servo phase synchronizing signal output Crystal oscillating frequency designation input 59 1797 801 MND2410READ yo Pi Vo Function Division Division Function Audio signal control clock output 3 Clock input 4 MHz Sub code block clock input STATUS Ss status signal input 34 CDRESET CD reset signal input System reset signal input CD signal process strove signal 36 MLD PLL CL WO input PLL tuner clock signal AD converter input output Tape deck switch CD signal process data s
55. ay switch 5807 ATLS switch ATLS 45808 Recording pause switch 8 M 5809 Auxiliary input select switch AUX gt 5810 Tape counter reset switch COUNTER RESET 5811 Reverse mode select switch REV MODE 5812 Deck select switch DECK1 2 5813 Edit recording switch HIGH 5814 Edit recording switch NORMAL 5815 T SURROUND switch T SURROND 5816 Beep on off switch BEEP 5817 CD edit switch CD EDIT S818 Dolby NR swilch DOLBY S819 Preset equalizer select switch PRESET 5823 8 level control switch 5 5 LEVEL 45824 Tuning mode select switch TUNING MODE S825 Title switch TITLE General voltage measurements are taken with electronics voltmeter The negative terminal of the battery provides negative meter connection point Nomark TAPE PLAYBACK DECK2 TUNER UL WOH 1 0 current Vo 420 Vol 1010 mA FM 410 mA LCIWIMW 690 LW MW 490 1800 620 mA 2140 important safely notice Components identified by A mark have special characteristics important for safety When replacing any of these components use only manufacturer s specified parts Measurement instruction LWIMW 74 dB m 30 Mod FM 6048 30 Mod TAPE 315Hz 0 dB
56. e 4 fen tue ww ee Ip kee a 2222 pu PULLEY ASS Y FLYWHEEL ASS CHANISM PARTS PINCH ROLLER ASS Y PINCH ROLLER ASS Y DECK 1 FLYWHEEL ASS Y MOTOR ASS Y m me le bei LEVER REEL TABLE ASS RUA7832F HEAD HEAD ASS Y Part Part amp Description 109001878 104001728 108008828 18008778 RFKPAAN309 125 126 80659272 127 1 128 mi bere 129 RHES 15228 RUQSOZC RZLAR300 RUW 432A 00501420 10 00377 10003878 106000578 RUW1487A RKQ0051 2 Ref No emus 101 1 103 1 104 1 06 86 RX DT707 LOADING UNIT PARTS LOCATION Note as p c 2 gt c e o c 5 specified grease to areas marked shown in the drawing A RefNo 52201 30 di Printed in Japan F930211500HS KH 87 4
57. e output TVD ECS FOD FBAL TBAL Reference voltage Tracking error signal input analog input RF envelope signal input Vibration detection signal input H detection OFT Off track signal input H offtrack Track cross signal input RF detection signal input D E 47 detection Dropout signal input H Dropout ao LDON Laser on signal output CH ON TES Tracking error shunt signal output UHT shunt Double speed status signal oulput MEE nm H Double speed DSL top fiter PLLF PLL filter VCOF VCO loop filler no use open 50 1 Power supply input for analog circuit 3 PCK fPCK 24 321 MHz during normal playback no use open comparison signal of EFM and PCK signals no use open Sub code serial data output no use open SBCK Clock input for sub code serial data no use open Crystal oscillating circuit input f 16 9344 MHz x2 Crystal oscillation circuit output 216 9344 MHz Power supply input for oscillating circuit 61 BYTCK PLL extraction clock output Byte clock output no use open 2 RX DT707 Terminal o Sub code frame clock signal output ICLDCK ICLDCK 7 35 kHz during normal playback Crystal frame clock signal output Jo fFCLK 7 35 kHz double 14 7 kHz Interpolation fl
58. e sheet Caution The static electricity of your clothes will not be grounded through the wrist strap So take care not to let your clothes touch the traverse deck optical pickup the front cabinet when removing the front cabinet 2 Be careful not to bend pins of the speaker output connector CP605 Procedure go E ron plate or some metals to conduct electricity E DISASSEMBLY INSTRUCTIONS eUse a phillips screwdriver whose blade is 13 cm long and eBe sure to place the unit on soft cloth or similar material to ESCH over to remove screws fixing the rear cabinet prevent scratches when disassembling it A H cm long and over 3 Remove 2 screws 1 Release 5 claws 4 Remove 2 claws in the direction ef arrow 2 Remove the operation button 5 Remove the operation P C B in the direction of arrow E Removal of the Handle Hold the CD unit so as not to slip it down 3 Since the CD unit is not mounted on the main unit be 1 Release the connector CP650 sure to hold the CD unit so as not to slip it down and 2 Remove 2 screws remove from rear cabinet as shown above 2 Slide out the handle in the direction of the arrow RX DT707 _ RX DT707 emn 12255 122458 1222495 P AREE SUUS
59. eight 8 0 kg without baiteries 1Dolby noise reduction manufactured under license from Dolby Disc Player Section Laboratories Licensing Corporation Sampling Frequency 44 1 kHz Dolby and the double D symbol are trade marks of Dolby Decording 16 bit linear Laboratories Licensing Corporation Beam Source Semiconductor laser wavelength 780 2Technics Panasonic developed the world s first MASH No of Channels 2 channels stereo type DAC and ADC MASH technology was invented by NTT Frequency Response 20 20 000 Hz 1 2 dB LSI Labs Wow and Flutter Unmeasurable MASH is a trademark of NTT D A Converter MASH 1 BIT DAC Notes 1 Weights and dimensions shown are approximate 2 Design and specifications are subject to change without notice Panasonic _ 0 707 5 ePRECAUTION OF LASER DIODE 2 eNEW DIGITAL SERVO CIRCUIT 53 OF CONTROLS se 3 5 eSELF DIAGNOSTIC 54 eTIME 5 6 eTROUBLESHOOTING GUIDE 55 56 5 71 18 eFUNCTION OF IC TERMINALS DECIDES 57 61 eSCHEMATIC DIAGRAM 19 34 DIAGRAM 62 68 ePRINTED CIRCUIT BOARD
60. el to 5 Output of signal generator should be no higher than necessary to oblain an output reading Sel power source voltage to 15 V DC Sal power switch to ON function switch to TUNER MW or LW The parts other than the ones listed below are aligned at the factory before they are supplied oe MW RF ALIGNMENT alignment of those paris is unnecessary when used for replacement INDICATOR RADIODIAL ELECTRONIC ADJUSTMENT SETTING VOLTMETER r RefertoFig 2 Qua OSCILLOSCOPE SIGNAL GENERATOR or SWEEP GENERATOR REMARKS CONNECTIONS FREQUENCY Headphones Jack 320 Fabricate the pog as Adjust for maximum output Adjust L9 1 by moving coil along the ferrite core 1 19 1 MW several lums of wire and radiate a signal into the loop of receiver Tune to signat shown in Fig 1 and than connect lead wires of the plug to the measuring instrument 4 Trimmer 1 Fix antenna coil with wax after completing alignment LW RF ALIGNMENT SIGNAL GENERATOR or INDICATOR SWEEP GENERATOR RADIO DIAL ELECTRONIC ADJUSTMENT SETTING VOLTMETER or Refer to Fig 2 CONNECTIONS FREQUENCY OSCILLOSCOPE Headphones Jack Fashion a loop ot 320 3 Adjust for maximum output several turns of wire Tune to signal ratricatethe pg as 71 L9 2 LW ANT
61. epair of the traverse deck optical pickup Variable resistor o xis CAI ak dota xu i es Ee NOTU caeca LUE Xue 4 5 eHandling of traverse deck optical pickup Optical pickup a 1 Do not subject the traverse deck optical pickup to static electricity as it is extremely sensitive to electrical shock 2 To prevent the breakdown of the laser diode an anti static shorting pin is inserted into the flexible board FPC board When removing or connecting the short pin finish the job in as FPC 3 Remove the front cabinet short time as possible Handle it carefully 3 Take care not to apply excessive stress to the flexible board FPC board 4 Do not turn the variable resistor laser power adjustment It has lt _ already been adjusted Be sure to short this portion Battery cover eGrounding for electrostatic breakdown Use the shorting pin or clip 1 Remove the battery cover prevention NE 2 Remove 6 screws 1 Human body grounding mE ieee 9 Use the anti static wrist strap to discharge the static electricity c Notes from your body 1 LES ER 1 Note that the two claws shown in the right figure hook Work table grounding Put a conductive material sheet or stee sheet on the area where the traverse deck optical pickup is placed and ground th
62. es 5 01 050055006 2 E n II GA B SYNTHESIZER 5 u i ur DE 1 4 1001 j LASGOSN 1850 0650 655 50255 05003 5004 p ms seso POWER SUPPLY CONTROL SYSTEM CONTROL 11 RK aa re BATTISY o man hil POWER DET ZBVC ce He 75 Yeo LO d 1 b 4 1 it 5 9 FL A SOLENOID l INPUT SELECTOR CONTROL peos i RESRASOAA 12 7 Eu M 5 REGULATOR d SOLENOID Wy hom amp 95001 LE it 5 9609 9322 CONT ___ eu EN CLOCKS IT KND2 410 COMPUTER IL 4 SYSTEM CONTROL L ee lt gem emm mmm 5 gt gg vg wm rm Zeit vm mm mmm mmm mmm reg m e 1 our lt INPUT ICD SIGNAL DECKI PLAYBACK HEAD DECK2 X HEAD 0101 102 HEAO SELECT 1 BAT755 R P SELECT R102
63. g is performed YES Does gt appear on the display Below 700 mV no output TJ701 ARF Playing time appear on the display Check output At about 1 Vp p pin D 3 of C702 is 69 of IC702 at HIGH or LOW CLVS Wes Check output pin of CN7Q2 7 Is of CN702 at HIGH Gr LOW there an output at pin 69 of 702 KICK Check the unit R726 failure 702 failure C702 failure waveform or upper lower amplitudes are Upper and lower Check 69 of IC701 A gt 5 amplitudes of wavelorm are equal Optical pickup E failure IC701 failure 1 BB RX DT707 RX DT707 Remove the test disc Turn on close switch 5790 Does optical pickup move Optical pickup moves toward 1 inner track once and then toward outer track slightly 2 or 3 mm Check the position of optical pickup At outer or around middle track NO Does lens make vertical movements s pin of CN702 t HIGH or LOW 5 pin of CN702 at HIGH or LOW Are there outputs at pins and of 703 Does laser diode come on OK Inner track limit El Inner track li tch Optical pickup switch is defective N A m SW
64. h n AE tom om NEP QUI IC SPEAKER Bon AA SQUAWKER TWE 1 aN 063 815 0409 509 PM DYNAMIC 143 5 25014505 SPEAKER INTERFACE MUTING Der BRENT ru M tel 15 5 D NANIC PEAKER aqu DN 4 KEE EE EES 9 THECTERD Sarees a eS DET SPEAKER item 298 PME hate gt edi Noct H Mik Uhgtedabaon d 4h 2 45 e e e Lr Li e e G EA gt Gel 653001 i E RE SEEN f Ausso 74 4 pore d HL 5 0 vaL BATTERY 0 1 UZOP LR20 EQUIVALENT lt x 2 MKOATR x 6 h E H kai D STATUS d Geet e e 2 Kei KA mose p les GI 55 TECH 5 4 C mm NN lt d REST 0 MUTE H d gt 4 e 3 Si Su 5 lt ____ 2 08000000 9000960 KK el CIRCUIT t F 1s El Lee 0 oer cesso Betten
65. ier 1 Synchronizing Lo LH Syachren ziv iMerphletion protection address Sub cede RX DT707 6527 SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR DIGITAL FILTER D A CONVERTER Digita interface e CIRC decodor i D gt 6 5E 9 Ze gt a Qu a 4 dernodulalor CREC check Timing ganerotor Q code register Servo port A gt 8 EI gt E 0 0 st en En P rs z 28 27 26 23 n 13 14 Mictocomputer interfoce BLKCK 991 RX DT707 32 39 M 4 d 2 os ME 2 gt KND24IOREA0 Ze SYSTEM CONTROL 15 SENSE x v hep a z 5 W M Set A o 55 2 3 E M ul n ST 5222 E 58053 159 4 m Renet 701 Y 8790 5791 9 REST I0PEN genaralar J Q p 8 KEY WATRIX SC 5681 695 2900 801 809 3823826 54601 4602 CD OUTPUT OUTPUT shift registor Remate control recal vet REMOTE STANDBY From 12606 4 PIN
66. igh speed mode QZZCWAT 1 iiri 1 Start playback DECKI in forward direction 3 kHz 10 dB then connecttholead wires eThis frequency is defined as F2 e the plug to the measuring Insert test tape QZZCWAT in DECK 2 and start NORMAL playback In forward direction SPEED Adjust VR301 until the frequency is set to 2 40 Hz Open the test point and set the normal Shown in Fig 4 speed mode 10 Start playback DECK 2 forward direction 11 Adjust 02 until the frequency is set to 3000 20 Hz eThis frequency is defined as F3 12 Start playback DECK 2 in reverse direction 13 Adjust VR302 until the frequency is set to F3 40 RECORD BIAS CHECK INDICATOR TEST TAPE ELECTRONIC VOLTM dab ADJUSTMENT SPECIFICATION REMARKS or OSCILLOSCOPE Use METAL tape ate CrO tape and calf Normal tape Shown Fig 5 METAL 27 2mV Cr0 185x2my Record mode Mama 131 mV ePLAYBACK LEVEL ALIGNMENT INDICATOR TEST ELECTRONIC ae ADJUSTMENT SPECIFICATION REMARKS or OSCILLOSCOPE Shownin Fig 4 MN DECK 1 1 meet lest tape QZZCFM and L ch VR101 start playback QZZCFM T Rch VR201 11dBV 280m 2 Adjust VR until the electronic 315 Hz 0 08 SE DECK 2 1dBV voltmeter reaches the value of Lch VR102 114 280 mV 1 RX DT707 e ALIGNMENT POINT Please refer to Circuit Board Diagram for tes
67. ignal AD converter input jnput PLL tuner strove signal Tape deck switch output AD converter input Cobra top open close AD converter input Equalizer switch AD converter input anaratinn owiteh qm NNI waren Di AD converter input CD operation switch CD tracking signal input PLL tuner III tuning signal input AD converter input Operation switch CD focus lock signal input PLL tuner stereo signa input AD converter reference voltage Jog dial signal input 2 Remote control sensor power control Dese control signal output AGCLK2 Audio signal control clock output 2 10703 AN8389SE1 mo ses Name Power supply VREF input Motor driver 4 input Motor driver 3 input Ground connection No connection Reset Ground connection Motor driver 2 input PC2 m 5 n gt DND w Data input Ee Clock input Surround LED drive signal output Presel tone LED drive signal output Surround IN OUT Beat proof contro bit 2 m Beat proof control bit 1 RX DT707 Name 1 Ground connection 1 for driver m 417
68. ion for Adjustment 1 Setup the unit following the procedure described in Checking and Adjusting the CD P C B See page 47 Ud 2 After completing the setup procedure switch the unit off then switch it again to adjust the unit wilh the CD unit placed in an right eLocations of Adjustments Mechanical Mechanical adjustment es Besteye PD balance adjustment CDP C B Note The elevation angle adjusting potis accessible only after track 19 ona testdisc SZZP1056C has bean played Hexagonal wrench key SZZP1101C Fig 7 dx RX DT707 Measuring Instruments and Special Tools disc wrench 2 0 522 11016 1 Playability test disc S22P1054C eOscilloscopa 2 Uneven test disc SZZP1056C 1 MECHANICAL ADJUSTMENT When the traverse deck is replaced making adjustments is nol necessary traverse deck any S already justed eMake adjustments to improve playability when the traverse deck has not been replaced Make the electrical ments first 1 Connect 5 CH 1 probe across and VREF on the Servo P C B E Oscilloscope Ka SE MN m VOLT Koeune MEAE XX AA SWEEP 0 5 1580 ANNUS 0199 AA 22 Inputcoupling AC M AX Al 2 Switch the player power ON and ply track 19 the IVY V test disc SZZP1056C tat 3 Leave
69. m a LA 305 CP301 CP302 DECK1 PLAYBACK HEAD TELESCOPIC ANTENNA Gas Le Roh Ren a E nm 0 E MOTOR MOTOR DECK DECKS e HEAD H ERASE MAIN P C B ge oPenscose pies 522 E 9 Power SUPPLY rier d 913 650 Power transtormer rj LI M CERERI 53073 053095 CF3071 P3091 OPTICAL PICKUP F C B TRAVERSE MOTOR MEMORY BACK UP p t FOR COMPUTER CLOCK R6P LRG OR EQUIVALENT R DYNAMIC ges 8 TWEETER PM DYNAMIC SPEAKER 1 2 7 WOOFER lt RED MARK MAIN BATTERY 10 BATTERIES 215 R20P LR20 OR EQUIVALENT DYNAMIC SPEAKER f Sem 8 SQUAWER TWEETER E DYNAMIC SPEAKER 2 7 0 WOOFER 42 43 RX DT707 RX DT707 PREPARATIONS FOR CHECK AND ADJUSTMENT OF P C B eCheck and adjustment of Tuner P C B eFabricate the measuring instrument as shown below to measure the audio output via the 1 Follow the disassembly instructions of Ref No 4 Removal of the main unit to remove the main unit Refer to page 8 headphones jack for check and adjustment of the P C B
70. r hi Pm Tun 14 Bii bes Tu 85 651 Fern esu ug Sp ba va sw Je bes From 1 4 ap E erun seu ge Fe m ene ls bes Wen Je us ex be eo am be ws is ve Perm R04 305 Ep 800272103 B Pen ue Ian ez vm Debut TNT T e em ya m baus an bas pe Se e kene ps em e 1 Ex eriw e bes ow up Fee kw eme we Pe berg is ren 47 MO ep Ki _ gu Ke Fuer up gr eu Tun 41 eo Hem 1 4 Ei Petri ess kuer 3 7 74 RX DT707 RX DT707 Values amp Remarks ECBTLELSOJC amp 2 8 JAHE ECH HE EA E 515 5 5 5 11 121 18 2 _ 8 18 2 2388158 8 8 215 2221255 5 5 5 E ARAB EJSIBISIBEIBIBIBIBSISISISISIBSIBISIBIS SISIS SS
71. r SLEEP Time display gt eREAR PANEL SECTION Telescopic antenna 65 Handle AC socket AC IN 67 Battery compartment cover Aux input jacks AUX IN 200 mV 4 7 kQ CD output jacks CD OUT 1 V CD 0 dB Mixing microphone jack MIX MIC 23 5 200 6000 Display button DISPLAY Press this button when you wish to confirm the present time while listening to CD radio and tape D Skip search buttons 44 44 P gt Press one of these buttons to skip backward or forward the tracks or to search backward or forward the desired portion of the disc RX DT707 TMERCLOCX PLAY T MEA SLEEP AUX DO r d d Numeric buttons 1 10 0 10 These buttons are used to specify the CD s track 1 10 10 and select the preset memory channel of the tuner 1 10 button Press this button to let the microcomputer make a random selection of the sequence Repeat button REPEAT Press this button to activate the repeat mode The repeat indicator will appear Program button PROGRAM Press this button for CD program play and for preset memory of the tuner mode beat proof button MODE B P The functions of this button change according to the selected radio band MW LW Beat proof for recording from the MW LW radio FM MONO STEREO Pause button 81 Press this b
72. s bend or break the Part No RFKZ0009 set of 2 extension cables For check and adjustment of the CDP C B use 34 A Geng D ER Greg j To 701 2 s i Ej Ke we CS702 MAIN P C B 37021 13 Connect the 8 pin connector and 7 pin connector of the extension cable RFKZ0024 4 Adjustment the tuner P C B 4 45 8 LE ep RX DT707 Ls e c eCheck adjustmet of tape deck P C B 1 Follow the disassembly instructions of Ref No 5 Removal of the cassetle panel to remove the cassette panel Refer to page 9 10 pin extension cable 307 309 Mechanism unit 2 Remove 6 screws Adjust the tape deck 3 Remove the mechanism unit P C B on this side 4 Connect the pin connector and 10 pin connector of the extension extension cable RFKZ0024 10 cable 5 Connect the power supply conriector for power supply extension 653003 P CB 650 Headleadwite PIPERIS IA Ge Release 4 hooks 6 Remove the screw 7 Release 2 bosses 8 Release 4 claws Check the tape deck 9 Place the tape deck unit as shown above P C B on this side 10 Release 2 head lead wires from hook 11 Place tape deck P C B as shawn above eBe sure to
73. t gg Qu 1 44 dum unum get dur mum E wp E 67 LATCH AGCLKZ 0405 BUFFER AMP d SWITCHING T3URROUNOI SWITCHING TECHNO QNAEF Fram 1805 1 16604 SURROUND AMP 1 d HUTING DRIVE 2 915 MOTOR DRIVE EK MOTOR Ce 99000 8 15i pot 9505 SWITCHING M 1135F P E ASP LA4645N POWER AMP gt Pub 68 0410 41 eet RE 4 0617 S D409 b MUTING FM SIGNAL LINE map OSC SIGNAL LINE ez LH MW OSC SIGNAL LINE It FMZUW MW CONTROL SIGNAL PLAYBACK SIGNALLDECKI 2 LINE CO SIGNAL LINE gt MAIN SIGNAL LINE REC SIGNAL LINE SIGNAL LINE 1 HEADPHONES DYNAMIC SPEAKER acm 6h cr TWEETER PM DYNAMIC SPEAKER 2 71 WOOFER RX DT707 X E REPLACEMENT PARTS LIST Hotes important notice Components identified by mark have special characteristics imporlant for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors
74. t point locations MECHANISM CONTROL DECK 2 DECK2 NORMAL HIGHSPEED SPEED DECK 1 PLAYBACK LEVEL Fig 3 DECK2 bn outpul point DECH DECK2 NORMAL PLAYBACK PLAYBACK PLAYBACK 123 LEVEL LEVEL LEVEL auo Rch Lech Le Keep these cords short Line capacitarice 3 pF of less LI Fig 4 In order not ol infiuence the bias oscillation divide the voltage with 1 and 1 resistors and measure the voltage across the 1 resistor Fig 5 lt CD SECTION gt Caution very dangerous to look at or touch the laser beam Laser radiation is invisible With the unit turned on laser radiation is emitted from the pickup lens Avold exposure to the laser beam especially when performing adjustments eThe CD P C B requires manual adjustment for all of the following items 1 Best eye pattern PD balance 2 Focus offset 3 Tracking offset 4 Focus 01707 CD P C B a servo processor 702 M automatically adjusts ilems 2 through of the seven items listed above Aulo adjustment is performed when EN gt i t ii TN 1 ACDis loaded or replaced or 4 2 The unitis turned on with CD in the drive auto adjustment procedure i is reset when the CD P C B is 5 Tracking gain 6 Tracking balance 7 Angle of elevation Preparat
75. to the power P C B CP650 9 Remove 2 screws 10 Release 2 claws in the direction of arrow 11 Remove the tuner P C B 12 Place the top panel as shown above eCheck the electronic volume P C B under this condition 3651 is attached tothereverse side soldered side of the electronic volume P C B Measure the terminal voltage of 1C3651 the surface of the P C B by referring to the terminal No indicated in C square on the surface 1 To power supply P C B Power Supply 650 connector 1 Open the panel Check of LCD 1 Fallow the disassembly instructions of Ref 4 Removel the main unit to remove the main unit Refer to 8 Her Internal panel 2 Remove 8 screws 0 3 Liftthe top panel 4 Keep the claw pressed in the direction of arrow At this time the two holders will be 9 and lift slightly the internal panel in the removed direction of 2 slide the panel in the Note Be especially careful not to direction of arrow 8 to remova breakthe FPC Check the LCD P C B Solder on this side ipi LCD P C B Spread soft cloth or similar material under the LCD P C B 1 Sh eld plate EE E MEASUREMENTS AND ADJUSTMENTS CASSETTE DECK SECTION gt lt TUNER SECTION gt ALIGNMENT INSTRUCTION READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT eSet volume lev
76. utton on the remote controller m All indications on the LCD will disappear and the LED onthe cobra top will blink sequentially from to right 2 if you press the buttons on the cobra top in the order of 7 9 and shown in fig 2 the LCD will appear in the oder ge shown in fig 3 The LEDs blink sequentially from left to right Fig 2 eCHECK OF ALL INDICATIONS ON THE LCD Press the 8 button on the remote coniroller All indications will appear for about 1 second on the LCO Refer to Fig 5 If an indication is not displayed the LCD or the LCD drive system is defective eCHECK OF LCD SHORT CIRCUIT ePross the 9 button on the remote controller The indications will appear as shown in Fig If another indication appears the LCD is defective stic function triode before the self diagnostic function Denotes 707 in the self diagnostic function Fig 1 eThe LCD appears in the order as shown in Fig 3 Fig 4 l the display appears as shown in Fig 4 the tact switch is normal part of the LCD is not lit set the self diagnostic function mode again to find the defective switoh cannot light the LCD TIMER REC OFF MEE SLEEP VOLUME OI Bel NIHIL epp H c09996909960683e CC MANDON uL DOLBY NR NR TROUBLESHOOTING GUIDE No CO playback Does the test disc rotate Check if TOC readin
77. utton to stop the disc temporarily 45 RX DT707 TIME ADJUSTING 1 TIMER CLOCK OPERATION Before operation press the operation switch to turn on 3 Turn the jog dial to adjust the correct minute the unit display Note that the minute 00 display appears following For example 59 but the hour display is not changed To set the time at 16 20 1 Press the timer clock button and then turn the jog dial to select the CLOCK mode The display will change to SLEEP CLOCK Flashing 4 Press the SET button to finish setting the time The display will change to the previous display When the SET button is pressed the clock is reset to 0 second When a wrong operation occurs while operations of steps 1 3 press the cancel button then the unit is returned to the previous mode Press the SET button 2 Turn the jog dial to adjust the correct hour display FWD Increase REV Decrease Flashing Press the SET button RX DT 707 RX DT707 Front cabinet HANDLING PRECAUTIONS FOR TRAVERSE DECK The laser diode in the traverse deck optical pickup may break down due to potential difference caused by static electricity of clothes or 023 human bod d 122 6 2 So be careful of electrostatic breakdown during r
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