the service manual here of the K92
Contents
1. Sh Ri 65 me er 815 HUWA R22 o e Sr gt 9522 gt 0 1 15 R25 5 253006 HEAD or KTAIONS PHONE 2 hd 0101 0102 2501012 R60 16 17 E i pay Se a 2 27 NT aes 1 02 NJM2068SD md x 5s Pin No Ci22 RISE 0 015 4 70 2 3 Rea 853 240 0 4 CIA RIIS Eb 5N 4 9216 LED 2 A608 REC KTAIOI5 METAL 9 10 11 EN 5 13 gt 8249 250 15 M oox 696 i Rizo mus Ecos 5 srok 78 0 og m 2 2 1 i TPA u Tm BIAS TRAP RESET SELECTOR OPE SW or 5 8254 QR2S6 100K SIEK 256 R546 603 our 50 4 2 2 D us 10 16 820 2 vot 0 082 2 EE TPi8 222 Qal NOTES i R238 109 150 25 608 8257 R258 1 ALL RESISTANCE VALUES ARE INDICATED OHMS khe 100 x Xi N or KTAIOIS C24 7 5K 7 58 222 ame 10716 3298 1050 3255 Rass 2 0212 Du teze 2 ALL CAPACITANCE VALUES ARE INDICATED IN F2A0S H i 250945 5 8263 7147 50 4 77502 R266 P 171 000 000 uF or KTCIBIS 12K 12 i 3 iG 2 BIAS CONTROL SW C3 H a N lese 25 4 SISK 47K L207 Pr rod 1260 R322. ow ov Law ew sv sv GNO HALL C OUT SOLENOID SOLENOID 2 PLAY SWITCH FF REW SWITCH TAPE DETECT SWITCH Cro2 SELECT SWITCH FWO REC SAFETY SWITCH Y 47710 C146 Cl48 1N4002 or 05135 C50 502 30 NPO NPO METAL SELECT SWITCH X50 4 0MMZ R542 1M 5v N 2 MEA 85 gt 593 5304 9522 SW 2 100 16 mF 5 5 25 608 509 or KTAIOIS 4 7 1 501 CN3 NJU4066BD 100K Ci22 8136 TOn OmOmD OO 5 0 015 4 7 zum RIS 5 8543 0512 22008 220K 144146 E R29 T CI21 R35 9 0 R82 R 35 240 T 0 015 47K 8547 560 5 5 8536 270 135 8548 560 PAUSE 4 7K 5v 9216 t zas 294608 02 8537 620 or KTAIOIS 8538 300 rad Ri 8539 300 METAL MU soka 0 TPs TPIG O 92 R544 RIBO 4 7K C228 SA BIOS to HP 82K 100K ee 0214 0215 246 v Tow R242 ov 10 1V 0518 052 1 I 1 5 SELECTOR 260945 T Y T uw or 8 5 1 1 1 6 47 gt 8252 234 Ee E REC im 6229 R303 R25 R253 C233 14255 C232 R254 28256 470 27K 100K 1800 218K 1008 218K ov 10 0V IDEA
3. Q801 48E05541S01 2501012 D Mechanism Q802 48E05541S01 2501012 D 40E05433S01 Switch Leaf FWD REC Safety for Mechanism Switch Leaf Metal Select for Mechanism Switch Leaf FF REWIND for Mechanism 40E05435S01 JK801 109505518501 Jack 6 3 Switch Leaf CrO2 Select for Mechanism Solenoid 1 for Mechanism Solenoid 2 for Mechanism TRANS Power 54 120 220 240V Switch Voltage Selector 40E05433S01 01 05399501 01 05399501 25 05931501 ELY 100 wF 16V 40 08064501 ELY 100 wF 16V ELY 22 4F 50V ELY 22 uF 50V CER 100pF 23 04635508 23 04635508 21 04638503 21E04638S03 23E04635S03 23E04635S03 23E04754S05 CER 100pF ELY 1 50 ELY 1 50 ELY 47 6 18 05520501 Rotary VR 50KB 18 05520502 Rotary VR 50KB 18 08065501 Rotary 50KB 18E08065S02 Rotary VR 50KB 28 Packing Assembly Parts List 56 08233501 56E05497S01 56 05498501 68 96552 73 28 04778502 Carton Packing IND Tray Packing Owner s Manual Cord Partch 2 A 29 92 Cabinet Assembly Parts List pud 03E05066S03 Screw Taptite M2 x 8 Note The parts without part number are not supplied 2 15E08074S01 Cabinet Top 03E
4. 31 to 32 Exploded View Cassette Deck sexe ad x esee n teinte 33 to 34 Cassette Deck Assembly Parts List gus beri e nk T E nes eae x 35 to 36 Semi Conductor Lead Identifications DESE ESE est 37 to 39 Specifications Power SOUE me e EC Machetes E NM RUE 5 8 qu AC 220 240V 50 60Hz Speed MTT 111 eue e e ARR RREERERTSEEEE EDI S RECETA SERERE ERES E TE 4 75cm sec 3 2 Wow amp Flutter MTT 111 JIS WRMS e erri e aue o VES Pa perpe UE kp C EN E EEUU lt 0 1196 FE REW TIME COOP SRSA RA P IAN E E PED ete Pte tiet eats 105 sec Frequency Response Playback 4 Normal 40Hz 14kHz CrO2 40Hz 16kHz Metal 40Hz 16kHz S N Ratio Over all JIS Weighted A curve Dolby NR OFF Normal z 50dB CrO2 Metal z 52dB Dolby NR B Normal CrO2 Metal z 57dB Dolby NR C Normal CrO2 gt 63dB Metal gt 65dB Input Sensitivity su u susu nue hr er Be ate nens sede m Line 100mV Output Level at odB playbacku u u u u rh nr u ea Line 500mV 1 5dB 47k ohm Headphone 100rnV 8 ohm Distortion 3rd OdBm input at 333 2 Norm
5. NZQUT QUT IN OUT IN INZOUT TCV1008 1C501 RAQ RAL RA2 SCK 51 50 I RESET TEST OSCl OSC2 VCC GND SERIAL SYSTEM CONTROL EXTERNAL 1NTER FACE INTERRUPT INTERRUPT CONTROL ROM 4096 x 108IT HMCS404C CL AC INSTRUCTION RAM 256 x 4BIT HMCS404C CL AC D PORT 151 1164 LESS SCK INTI RIO 03 Roo 215 211 510 R40 RJ 92 PST523E C502 MC7812CT 1 602 78 12 601 MC78MOSCT 603 CURRENT LIMITER SAFETY OPERATION PROTECTION s THERMAL PROTECTION 8 3 OUTPUT GNO INPUT TA7666P 815 CONSTANT VOLTAGE SOURCE
6. 51 94884 04 MC7812CT 48E04785S03 KTA1015 51E05537S01 MC78MOGCT 48 05541501 2501012 48 05541501 2501012 48T65363F02 25 608 48 04785503 1015 25 945 1815 25 945 1815 25 945 1815 48 05542501 48 04784504 48 05542501 48 04784504 48 05542501 48 04784504 48 05541501 2501012 48 05541501 2501012 4876536302 2SA608 48 04785503 1015 48 05542501 25 945 48 04784504 1815 25 945 1815 25 945 1815 25 945 1815 48 05542501 48 04784504 48 05542501 48 04784504 48 05542501 48 04784504 48 05542501 25 945 48 04784504 1815 48 05542501 25 945 48 04784504 1815 48 05542501 25 945 48 04784504 1815 2501012 25 945 1815 258808 258808 4805541501 48505542501 48504784504 48 05543501 48 05543501 48 05541501 12501012 48 05541501 12501012 48 05542501 25 945 48E04784S04 1815 48 05542501 25 945 48 04784504 1815 92 0512 48 05542501 25 945 or 48E04784S04 KTC1815 Q513 48 05542501 25 945 or 48 04784504 KTC1815 Q518 48E05542S01 25 945 48 04784504 1815 48 05542501 25 945 or 48E04784S04 KTC1815 Q520 48 05542501 25 945 or 48E04784S04 KTC1815 Q521 48E05542S01 25 945 48E04784S04 1815 2SA608
7. 712 Lch Rch VR203 VR204 Lch Rch VR203 VR204 Measurement Power Supply AD 220V 50Hz 3 Input 1 TAPE IN Signal Generator Output Impedance 600 ohms Conditions OUT Load Impedance 47k ohms HEADPHONE OUT Load Impedance 8 ohms G Test Point Load Impedance No load Adjust VR815 816 so that the 3dB point 00 mark on the level meter lights dimly Input level at 1 5dB Rec Level Meter Sensitivity Adjustment 400Hz VTVM Adjust VR209 210 so that TP15 7 16 7 measure 100mV 0 5dB When supply the input level at 90mV check that TAPE OUT for 500mV 40mv Rec Sensitivity Adjustment Rec PB Frequency Response Adjustment Adjust TAPE OUT for 500mV 25dB first by resistance attenuator Then adjust VRs 203 208 so that the rec play level is 0 1dB K 92 K 92 K 92 K 92 Figure 9 HEAD AZIMUTH ADJUSTMENT Figure 12 RECORD SENSITIVITY Adjustment Locations ADJUSTMENT TAPE IN SIGNAL GENERATOR RESISTANCE ATTENUATOR 9 ADJUSTING SCREW TAPE IN Figure 10 PLAYBACK SENSITIVITY ADJUSTMENT Figure 13 RECORD PLAYBACK FREQUENCY RESPONSE ADJUSTMENT RZP HEAD L 225 VR207 IN AC 512 VR205 AC 712 VR205 TAPE OUT TEST TAPE MTT 150 SIGNAL GENERATOR RESISTANCE ATTENUATOR TAPE OUT 40
8. S m 33K y 0802 1 Soo 2501012 56b E80 NE C807 H r 7 Reon Pubs 1 s 50 8 _ R806 JK801 65 el Y 10815 818 10819 826 PHONE 0801 7 SLR 560C3F x4 SLR 56MC3F x8 d s LEVEL 2501012 E HEAD PHONE 6 3 0 10872 874 875 Y SLR 400U x3 ware Laie 0820 10826 SLR 40446 0415 10817 9819 10825 Rch Lch i MAIN PCB CONSTANT vame SOURCE iMm wd VOLTAGE SELECTOR SW m E 6 R833 lt MN 47K METER MUTE T 12 0815 CORD Reg 28803 2005 28827 2 6629 T801 22 6817 50 470 470 680 680 680 s Leh TRANS PCB AC220V 50Hz R817 00 240V 50Hz 22 i sep 9815 28 E 77 2 or or lt KTA7666P KTC1815 x2 o2 9506380898558 VRAIS Si ag 58 4 5 5 228 5 9 82 eke s f a 8 6 8 8 tt 8 gt a 2 2 g 8 8 3 R816 VR816 9 5 20K B 22K 2 F a G 92 Resistor Carbon resistors under 1 4 watts are not mentioned in the parts list E P
9. 0 15 uF CER 1000pF ELY 10 uF 16V ELY 10 uF 16V MYL 0 082 uF MYL 0 082 uF 21E04734S09 23E04754S01 23 04754501 08 05500506 08 05500506 MYL 0 15 uF MYL 0 015 uF MYL 0 015 uF ELY 0 22 uFISOV ELY 08 05500501 08 04735506 08 04735506 23 04635505 23 04635505 08 04735515 08 04735515 23 04754501 23 04754501 08 04735508 MYL 1800pF MYL 1800pF ELY 10 2 16 ELY 10 16 MYL 5600pF MYL MYL 0 068 uF MYL 0 047 MYL 0 047 uF MYL 08 05500503 08 05500503 08 05500505 08 05500505 08 04735512 08 04735508 08 04735513 08 04735513 08 04735515 08 04735515 MYL 5600pF MYL 3300pF MYL 3300pF MYL 1800pF MYL 1800pF 08 04735512 08 04735505 08 04735505 23 04754501 23 04635507 MYL MYL 0 01 MYL 0 01 uF ELY 10 6 ELY 4 7 50 08 04735518 08 04735518 08 04735508 08 04735508 23E04754S03 1500pF MYL 1500pF MYL 5600pF MYL 5600pF ELY 100 16 9 lt E 18E05510S01 Semi fixed 5008 18 05511501 Semi fixed 5008 18 05510506 Semi fixed 18 05511506 Semi fixed 30kB 18E05510S06 Semi fixed 30kB 18 05511506 Semi fixed 30kB 23E04754S01 ELY 10 16 23E04754S04 ELY 22 16 23 047545
10. Board BLU Mechanism HALL IC 701 SRN SOLENOID 5 8 50701 I 1 f ORG WHT E I SOLENOID 2 Power Switch oj WHT 1 H 50702 Eabb TAPER PLAY Sw P C B sr SRY WHT lt N S_ORG WHT DETECT SW 5 EWD REC SAFETY SW WHT i 5704 1 hi Reo wat METAL SELECT SW 20 5 705 9 FF REW SW EE 5 706 oS CrO2 SELECT SW 5707 Motor i701 a a Schematic Diagram 1 2 2 us Rt 22 g x ID PNE PURUS DIS DU e I es vec 9207 88 MAIN 250012 anz 0102 yat 25 945 280945 or 0022 0508 or KTCIBIS 551012 8 5 2 Me 46 103 1 CX 20107 m FILT CONTROL Qus ay 2541015 SOLENOID Pt iC No 013 014 i n 2561615 DRIVER Pane i gt iy 2 9512 9513 256945 5 3 lc or 18 5 m ae GNO poses 1O1 HALL QUT PRN v2 SOLENOID i 2 L SOLENOID 2 9 iNPUT PLAY SWITCH FF REW SWITCH i TAPE DETECT SWITCH Cro2 SELECT SWITCH Pin No 3 101 FWO REC SAFETY SWITCH 2 2 METAL SELECT SWITCH 2 097507 501 4 0MHZ 3 4 3 7 1 9
11. KTA1015 25 945 1815 48T65363F02 48E04785S03 48 05542501 48 04784504 or Q845 1N4148 1N4148 1N4148 Zener RD3 6E Zener HZ3 C3 48 04616501 48 04616501 48 04616501 48T40732F08 48T52739F15 1N4148 1N4002 DS135D 1N4002 DS135D 48E04616S01 48540477002 48T44992F01 48540477002 48T44992F01 1N4148 1N4148 Zener RD4 7E Zener HZ5B 1 1N4002 DS135D 48E04616S01 48E04616S01 48 56372 21 48T52739F28 48540477002 48744992 01 134002 05135 134002 351350 1 4002 051350 48540477002 48T44992F01 48540477002 48 44992 01 48540477002 48144992F01 D603 48540477002 1N4002 48 44992 01 48540477002 1 4002 Coils Inductors 24E05523S01 Coil 22mH 24E05523S01 Coil 22mH 24 07997501 Coil 10mH 24E07997S01 Coil 10mH 24 05525501 Coil 6mH Coil 6mH Inductor 12mH Inductor 12mH Coil 1 72mH 24 05525501 24 05527501 Filters 91E05528S01 10PD MPX 91 05528501 1 MPX RCA Jack 09E07996S01 Resonator 48E05503S01 Resonator 4MHz 92 23 06052502 ELY 330 10 08 04735509 MYL 0 022 uF 08 04735509 MYL 0 022 08 04735510 MYL 2700pF 08 04735510 MYL 2700pF Symbol 10 Capacitors 21E04638S02 21E04638S02 21E0473
12. 01 Spring R 41E05412S01 Spring TG Arm 04E05377S01 P Washer 03E05376S01 Screw Tapping M1 2 M2 x 4 43E05355S01 Wire Clamp 04E05377S01 Washer 84 05439501 Relay Board M1 2 04E08250S01 P Washer 03E05365S01 Screw M2 x 5 M2 1 01 05416501 Pinch 04 05379501 HL Washer Roller Arm F M1 4 41 05417501 Spring Arm 44 05420501 Gear FL 45 05380501 Arm RF Trigger 49 05422501 55 Flywheel F Ass y FL Metal F Screw M2 x 6 Motor Rubber Screw Motor Collar Beit Main Pulley Motor 75 05381501 03 05382501 01 05423501 3 G 42 08252501 5 G 49 05384501 03 05424501 07 05386501 FL Patch Plate 04 05425501 Washer 2 1 Nylon 04 08282501 HL Washer M2 3 K 92 03E05376S01 Screw Tapping M2 x 4 2 48E05437S01 Protector 2 G 09E05443S01 Connector TXL P 12PM1 92 Semi Conductor Lead Identifications uPC1330HA IC101 SW R1 GNO SW P1 CONT GND vec Sw P2 GND SW R2 NJM2068 102 NJM4558S IC104 NJM4556S 801 755585 IC203 CX20187 IC103 MPX OUT V OUT V OUT 22 DRIVER ABSO PEAK DET V OUT V OUT 12 92 NJU4066B 205 SIG O SIG O IN ZOUT OUT IN QUTV IN RM SIG A SIG A SIG 8 516 8
13. 04 ELY 22 uF 16V 23 04635507 ELY 4 7 uF 50V 23 04635507 ELY 4 7 50 or or or ELY ELY CER CER CER 23 04635503 23 04635503 21 04734505 21 04734505 21 04631501 1 uF 50V 1 uFISOV 560 560 0 01 uF Semi fixed 5kB Semi fixed 5kB Semi fixed 5kB Semi fixed 5kB VR205 or VR206 or 18 05510502 18 05511502 18 05510502 18 05511502 R246 23E04635508 ELY 2 2 uFISOV or 18 05511502 Semi fixed 5kB 23 04635508 ELY 2 2 uF 50V 23 04635508 ELY 2 2 50 18E05510S02 Semi fixed 5kB 23E04635S08 ELY 2 2 50 18E05511S02 Semi fixed 5 23 04754505 23 06052503 23 04754501 23 04754501 21 04736506 21 04736506 23 04754503 08 04735511 23 04754508 23 04731502 23 04754505 23 04754505 21 05506501 23 04636503 23 04754506 23 04754507 23 06052503 ELY 100 10 21 04631504 CER 0 047 08 04663501 CAP Line 23 04635503 ELY 1 50 0 01 400 06 05508503 06 05508504 06 05508505 06 05508502 06 05508506 06 05508503 ELY 47 uF 16V 100 10 10 uF 16V 10 16 30pF 30pF ELY ELY ELY CER CER ELY MYL ELY ELY ELY 100 wF 16V 2200pF 33 uF 16V 10 u F 35
14. 04701S04 Screw Taptite M3 x 10 3 E 36E04672S01 Knob Dolby 03 04702509 Screw Taptite 3 F 03 04701504 Screw Taptite M3 x 6 M3 x 10 64E08256S01 Plate Door 2 5 72E05466S01 Counter 43E07210S01 Coller 15E08071S01 Assy Door 42 05491501 Belt 1 D 81 08066501 Assy Tape Mechanism 1 D 07 08262501 Holder 5 E 14 08306501 Sheet Insulation 07 05480501 Base 64 08257501 Window Door 03 05066502 Screw Taptite M2 x 5 04E05465S01 Washer M2 41 05448501 Spring Leaf 07E05451S01 Cover 41 05481501 Spring Coil 03E04701S03 Screw Taptite M2 6 x 8 2 E 07E05483S01 Lever Door Look 64 08068501 Assy Panel 2 F 46E05487S01 Stud Front 2 03 05490501 Screw M2 x 4 2 E 07 05485501 Lever Eject 36 04673501 Knob Power 36E05461S01 Knob Levei 36E04677S01 Knob Rec Level 2 43 05489501 Spacer 2 41 05493501 Spring Torsion 3 E 04 05494501 E ring 3 E 03505490503 Screw M2 x 12 15 08263501 Panel Back 03E04701S01 Screw Taptite M3 x 8 64E05445S01 Mirror Cassette 64E08258S01 Plate Indication 64 08259501 Window 75E08260S01 Cushion 15E08264S01 Panel Back 1 G 43E04688S01 Bushing Cord 3 F 02 05471501 Nut Flange 3 F 29E04693S01 Lug 29 08100501
15. 0Hz 10kHz Lea a Ie R P HEAD R 225 VR208 TAPE IN AC 512 VR206 AC 712 VR204 Figure 11 BIAS OSCILLATOR FREQUENCY ADJUSTMENT lf pin lt lt 2 25 2 1 FREQUENCY COUNTER R P HEAD 0121 d1 lt I 25021 141 9 Meter Board Main P C Board 11 i lp 92 Parts Layout on P C Boards and Wiring Diagram Main P C Board em E amp 8 capo 2X9 m 1 R201 6 QN kanaa L Ima R59 mAL Re 3 A 187 mL ij 1 He 2558 T 19825 10825 9 9 10816 0618 0820 Los22 L0824 pe a a ee ee 2 5685 1 g w CE Raie RBI it a R P HEAD 1 702 RED RED anar Cl Y She ry Meter P C Board ERASE HEAD 761 5 D E Bus G H 92 92 E 5 _ rFr Power Transformer P C Board REO YEL WHT BLU n 8 1 T i 1 I A RIT2 gt RIS pio2 RM 265 p XY RUG gt 0512 a pe Voltage Selector Switch Sw 800 Control Board Dolby Switch P C
16. 45E08238S01 Guide Tape Trigger 01 08239501 Head Base 44E05380S01 M Gear 44E05391S01 Gear RF Cam 41 08242501 Spring Pinch Roller 45E05392S01 Arm M Trigger 41 08243501 Spring Azimuth 47E05393S01 Plunger 41E08244S01 Spring EH 43E05394S01 Holder Plunger 15E08248S01 Head Panel A 01 05397501 Ass y P Kick 15E05357S01 Head Panel B Lever 41 05398501 Spring PK Lever 41E08245S01 Spring RC 41 08246501 Spring Panel 04 05400501 E Ring 22 0 03E08236S01 Screw M2 x 11 04 05401501 HL Washer 03E08237S01 Screw M2 x9 5 M1 55 04 08249501 Washer BS 04 05378501 HL Washer M2 1 M2 1 07 05441501 07 05442501 E Stopper A F E Stopper B F 41E08247S01 03E05366S01 Spring Plate Screw Tapping M2 x 5 RF Belt Protector SW Screw M2 x 5 15 05405501 03 05406501 42 05368501 01 08240501 Ass y RF Clutch 03 08235501 Screw M2 x 5 01E05370S01 Ass y T Reel F 41 05408501 Spring E Stopper 01 08241501 Ass y S Reel 43E05409S01 Collar E Stopper 01 05372501 Reel Base 44E05373S01 Gear FF 01 05410501 Ass y T Gear 41E05374S01 Spring FR Arm Trigger Arm 44E08251S01 T Gear 41 053755
17. 4S02 21 04734502 23 04635503 ELY 22 50 ELY 22 wF SOV CER 1000pF CER 1000pF CER 220pF 23E04635S08 23 04635508 21 04638510 21 04638510 21 04734508 23 04635503 21 04638503 21 04638503 21E04734810 21 04734510 21 04734508 21 05504501 21 05504501 08 04735509 08 04735509 CER 220pF CER 0 047 uF CER 0 047 uF MYL 0 022 uF MYL 0 022 uF 08 04735505 08 04735505 23 04754504 23 04754504 23 04754502 ELY 22 uF 16V ELY 22 wF 16V 220 wF 16V MYL 0 022 MYL 0 022 CER 430pF CER 430pF MYL 0 01 uF 08E04735S09 08E04735S09 21E04638S09 21E04638S09 08E04735S05 ELY 220 uF 16V ELY 220 uF 16V CER 0 01 uF ELY 10 wF 16V 10 4F 16V 23 04754502 23 04754502 21 05504502 23 04754501 23 04754501 MYL 0 01 ELY 10 wF 16V CER 10pF PP 2200pF 1500pF 08E04735S05 23E04754S01 21 04734501 08E05505S01 08E05505S02 MYL 0 015 uF MYL 0 015 uF 47 16 08 04735506 ELY 100 uF 16V MYL 0 01 uF MYL 6800pF MYL 0 01 uF CER 1000pF 23 04754503 08 04735505 08 04735512 08 04735505 21 04734509 08 04735516 23 04635504 23 04635504 08 05500501 ELY 0 47 wF SOV ELY 0 47 50 MYL
18. 6235 17 236 546 545 0 10 0 0 082 10 16 820 n m ov 10 0V NOTES 1 ALL RESISTANCE VALUES ARE INDICATED IN OHMS ov 10 2V ov 10 2V 1 4 1 5 1 4 8257 R258 R267 24 7 5K 7 5 20 3300 261 iur 147750 1 ms R259 lon 2 2 5600 or KTAIOIS 9212 2 ALL CAPACITANCE VALUES ARE INDICATED IN MICROFARADS P 1 1 000 000 uF at Du 0527 0522 4002 1 4002 05135 2 05135 C243 R261 10K 609 0 0 CAUTION SINCE THE COMPONENTS MARKED By ARE CRITICAL FOR SAFETY USE THOSE OESCRIBED ON PARTS LIST ONLY 8281 10x Q213 25 608 c25 Lezar cart or KTAIOIS 5600 1 50 0601 0604 8400206 05135 x lt 804 0209 290945 or 8 5 R291 5 ON OFF 180 Q221 Q226 25 945 Sw or KTCI8IS 92 i K 92 CONTROL PWB GND Leh dol m 689 Ra H MUTE 229 151 Is CN16 lt gt IC801 sA NJM4556S ME GNO 91 zz R ch 2 omm 8801 8835 8836 8802 5 To 100 1 2 100K 100K 100K 100K R810
19. L208 rad M y ve20 vR208 H 12mm 2 2K 2 8 5 6 826 6244 lj Y 10K 1800P P 0204 Q2 Q208 Ee AT KA r292 0222 CAUTION WZ A 8 cara case 246 SINCE THE COMPONENTS MARKED By ARE FOR croz MoRMAL SAFETY USE THOSE DESCRIBED ON PARTS LiT ONLY 030 7 R228 On uns amp 5 5 r F r7 Xl Ed CALO 0601 0604 mm em m9 Zvezos Zva2or 803660 ost 9 0279 14002 or T 30KB 5 8 5K18 T jt m 05135 4 m Ay arenas He Tgi a ae caos TP Dg T a204 Q209 00 10 207 TPIS 7 E 9021 5905 0047 i 25 945 226 or KTCIBIS 1 202 cas 30 1000 FoF 2292230 R23 8232 15235 18235 1297 9 01 4 7K 6 8K 4 7K 6 9 R207 206 BIAS ON OFF 9221 0226 25 945 Eo sw I or 8 5 220 E i K 92 2 ov ov ee MM w w 250101 565 0 02 256945 sw o 0 022 44148 0508 KTCIBIS e 12 0 120 m CN6 1 103 cise 11164 201 7 250410 25 0 5 0113 0114 2561815 SOLEN DRIVER 010 AN 6 16 8 2 9512 0513 556945 815
20. SERVICE MANUAL Stereo Cassette Deck K 92 92 Contents SPOCIICANONS MEM PET 3 Parts Locations and Disassembly Instructions 4107 Block Diagram onli 8 Adjustment Procedures is o e eut d I Ae DESC C NR E eK E US E RE SS 9 to 11 oeque Terr rA e ETE Hera 12 Parts Layout on P C Boards Wiring 13 to 16 Schematic Diagram 1 2 4 scc Ie ERA ON OE 17 to 19 Schematic Diagram 2 2 esee erm ex mt meque or y eo deste E he ege le ie RC ER ERN 20 to 22 Electrical Parts Listera reran IER Re TUE nae 23 to 28 Packing Assembly Parts List raqay Re nd Red aa rere UL REOR E LONE wie BE le eee 29 Packing Method View oie Le re p E RE aie vea ee parole dds wer LCS PRATER VS 29 Cabinet Assembly Parts Listu uu rc I RII aede du eie ER ENSE EE EE 30 Exploded View Cabinet Re T UNE ewan ka OU wie ac
21. Terminal Pin 05E04709S02 Rivet Nylon 03 04775502 Screw Taptite M3 x 6 01 08072501 Assy Damper 04E05467S01 Washer 2 6 03E04701S06 Screw Taptite M2 6 x 6 84E08281S01 PCB 31 4 G 75E05472S01 Cution 75 04521501 Foot Front 03E04702S06 Screw Taptite M4 x10 Foot Back 75E04678S01 41E05452S01 Spring Torsion 07 05455501 Holder Door 07E05486S01 Slider 43E05488S01 Spacer 03E05490S02 Screw M2 x 10 07E08307S01 Shield Cover 4 03E08004S01 Screw Taptite M3 x 6 4 29 04693501 Lug 36E05468S02 Knob Eject 07E08261S01 Holder 03 05066504 Screw Taptite M2 6 x 6 36E08070S01 Knob Play Pause 36 06178501 Knob Rew Stop FF Rec Note For West Germany model only AD For General Foreign model only EK Others Common 30 K 92 Exploded View Cabinet 1 NS OOS 9 Q Da Q x 7 5 ome 5 al gt U 5 92 Cassette Deck Assembly Parts List 5 41E05387S01 Spring Damper 03 05388501 Screw Tams Note The parts without part number are not supplied 41E05346S01 Spring Pack 03E05347S01 Screw Tapping M2 x 3 M2 x 4 43 08234501 Collar Panel 41 05389501 Spring
22. V 47 16 ELY CER ELY ELY ELY 47 16 0 047 3300 25 470 uF 16V 4700 uF 16V 4 1K ohm 1 2W 100 ohm 1 2W 4 30 ohm 1 2W 220 ohm 1 2W 180 ohm 1 2W F 1K ohm 1 2W Fuse 2 2 ohm 1 4W R601 06E05509S01 R602 06 05546501 Fuse 2 2 ohm 1 2W R603 06 05509503 Fuse 13 ohm 1 4W VR101 18 05510501 Semi fixed 5005 18E05511S01 Semi fixed 500B VR207 18 05510502 Semi fixed 5kB Semi fixed 50kB Semi fixed 50kB Semi fixed 50kB Semi fixed 50kB 18E05510S03 18 05511503 1805510503 18 05511503 18E05929S01 18E05930S01 Semi fixed 2kB Semi fixed 2KB as SW P C Board CapctrSwih SW895 40 04667501 Switch Push Power Meter P C Board TA7666P 7666 51 05538501 51 05547501 92 Transistors Capacitors 23 04635510 23 04635510 23 04635504 23 04635504 23 04635510 ELY 10 uF 16V ELY 10 wF 16V ELY 0 47 uF 50V ELY 0 47 uF 50V ELY 10 16 48 05542501 25 945 SLR 56DC3F Orange LD815 48 05928501 Resistors 48E05928S01 SLR 56DC3F Orange 18E05510S04 Semi fixed 20kB 48E05928S01 SLR 56DC3F 18E05511S04 Semi fixed 20kB Orange 18E05510S04 Semi fixed 20kB 48 05928501 SLR 56DC3F 18E05511S04 S
23. adphone Dolby Switch P C Board P C Board Front Panel REC LEVEL Knob Figure 4 5 Motor Belt Board Power Holder Fiare 6 92 4 Removal of Main Board Figures 5 and 7 Front Panel N 1 Remove the top cabinet 2 Disconnect all connectors from the main P C Board and the cassette deck 3 Remove a screw the RCA jack section Figure 5 4 Remove four screws from the P C Board Figure 7 5 Removal of Control P C Board Figure 6 1 Remove the front panel 2 Remove four screws H from the Board 6 Removal of Power Switch P C Board Figure 6 1 Remove the front panel 2 Make sure that the power switch is off not Main P C Board Trans Board depressed 3 Remove two screws that secure the power switch holder I Figure 7 4 Pullthe power switch P C Board with the holder strongly backward to remove the power switch shaft from the power switch knob 5 Remove one screw trom the holder 7 Removal of Dolby Switch P C Board Figure 8 1 Remove the front panel 2 Remove two screws L from the P C Board 8 Removal of Headphone P C Board Figures 4 and 6 1 Remove the front panel 2 Remove REC LEVEL knob from the front panel by pulling it Figure 4 3 You will find a nut with a washer in the hole after removing the REC LEVEL knob Remove the nut and washer 4 Remove one sc
24. al 2 5 CrO2 Metal 3 SemisGond ctots Gu uyu Vu ere ES RES 14 IC s 49 Transistors 14 Diodes 2 Zener Diodes 17 LED s Chassis DIMENSIONS u ORE EPA rr DE mem e Otras v 438 W x 100 H x 250 D mm LA E PAULI d el pue 3 8 kg NOTE Due to continuing product improvement specifications and designs are subject to change without notice K 92 Parts Locations and Disassembly Instructions Figure 1 Figure 2 Power Botton 2 Cassette Door 5 Tape Countor 2 Tape Countor Reset Button S Level Indicators 8 Play Button 2 Stop Button 8 Pause Button 9 Record Button Eject Button D Function Indicators 12 Dolby NR ON OFF Button 3 Phones Jack Level Control Knob 19 Dolby NR Select B C Button Fast Forward and Rewind Button D Rec Level Control Knob Input Jacks Output Jacks 69 Figure 3 Rec out e 8 6 56 Sortie enr Salida de Grabaci n Amplifier Verst rker Amplificateur Amplificador A LUXMAN 2 TERED ZASSET E Deck 98993 Monitor Monitor Monitor Monitor Her 2 LeBOR TOR garana NSO CD Player Record Player etc CD Spieler Platte
25. arts Li st please confirm them by schematic diagram Capacitor uF microfarads pF picofarads SCIEN 48 05542501 25 945 Abbreviations RES Resistor CAP Capacitor C F Carbon Film ELY Electrolytic M F Metal Film CER Ceramic 48 04784504 1815 Metal Oxide Film MYL Mylar 48E05542S01 25 945 Metal Plate TAN Tantalum 48E04784S04 KTC1815 CTM Cement Resistor POLY Polystyrol 48T65363F02 25 608 PP Polypropylene 48E04785S03 KTA1015 TRANS Transformer PLT Polyethylene CP Chip STR Styrene 48 05542501 25 945 M PL M Plastic 48E04784S04 KTC1815 Symbol 7 48 05542501 25 945 f Description 48 04784504 KTC1815 48E05542S01 2SC945 48E04784S04 KTC1815 Main P C Board 48E05542S01 48E04784S04 KTC1815 51 05529501 PC1330HA 48E05542S01 2SC945 51T73021F02 NJM2068SD 48E04784S04 KTC1815 48E05542S01 25 945 51E05539S01 CX20187 51E05531S01 NJM4558S D 51T72929F01 1297 48E04784S04 KTC1815 48T58776F02 2SD438 51E05533S01 755585 48T65363F02 2SA608 51E05532S01 NJU4066BD 48E04785S03 KTA1015 51E05534S01 TV1008 614042SK01 48E05542S01 2SC945 48 04784504 1815 51 05535501 PST523E 51 05536501 78 12 48T65363F02 25 608
26. emi fixed 20kB Orange 48 08062501 SLR 56MC3F Green 48 08062501 SLR 56MC3F Green Dolby SW P C Board I 48E08062S01 SLR 56MC3F 48E08062S01 SLR 56MC3F Green 40E05516S01 Switch Push 48E08062S01 SLR 56MC3F Dolby ON OFF Green 40 05516502 Switch Push 48E08062S01 SLR 56MC3F 40 05516501 Switch Push Dolby B C Green 40 05516502 Switch Push SLR 56MC3F 48E08062S01 Green 48E08062S01 51 56 Green Control P C Board 48 05512501 SLR 40MG3F 48505513301 40E08063S01 Switch Key PLAY 48 05514501 SLR 40VR3F 40 08063501 Switch Key PAUSE Switch Key REC Switch Key REW Switch Key STOP Red 40E08063S01 40E08063S01 40E08063S01 SLR 40DU3F Orange SLR 40DU3F Orange 48E05513S01 48E05513S01 40E08063S01 Switch Key FF 92 Miscellaneous eee re P C Board 801 51 05540501 NJM4556S 1 transistors 0 0 Hall LB9050TN for Mechanism Motor AC power Cord E Head Deck R P Head Deck 51 05436501 59 08255501 28 04687501 88 08253501 88 08254501 40 05434501 Switch Leaf PLAY for Mechanism Switch Leaf Tape Detect for 40E05435S01
27. nspieler usw Lecteur CD Platine Disque etc Reproductor de Discos Compactos Giradiscos etc Speaker System Lautsprecher Haut parleurs Sistema de altavoces Tuner Tuner Syntonisateur Sintonizador AC line Netzsteckdose Cordon secteur Alimentaci n de red de CA K 92 K 92 Removal of Front Panel Figure 5 Removal of Top Cabinet Flgure 4 1 Remove four screws and four screws marked 2 Slide off the top cabinet stretching the both sides slightly outside 1 Remove the top cabinet as shown above 2 Disconnect all connectors from the main Board and the cassette deck 3 Turn the unit upside down and remove four screws marked three nylon rivets marked the bottom cabinet 4 Remove the front panel by pulling it Removal of Cassette Deck Mechanism Figure 6 1 Remove the front panel as shown above 2 Open the cassette door by pressing the EJECT button 3 To remove the cassette deck mechanism remove the belt from the counter pulley on the mechanism Be carefull not to miss the 4 Remove four black screws Birom the cassette deck mechanism 5 Remove the cassette deck mechanism from the front panel Be careful not to miss the slider with spacer and screw shown by X in Figure 6 when removing the mechanism B Meter P C Board Control P C Board He
28. pe Blank Rec Volume Switch Position Adjustable Input Equipment t Test Val Test T B VRBO NA NR Bor C bou iiie i VTVM FER RR Maximum MTT 114 OFF Adjustment Screw OUT Adjustment See Fig 9 Tape spere 3000 30Hz MTT 111 OFF VR845 TAPE OUT Normal Speed Playback VR101 L Sensitivity 500 10 MTT 150 OFF TAPE OUT See Fig 10 VR102 Adjustment Bias Oscillator HOT TP 1 Frequency 105 0 5 2 AC 223 OFF L209 See Fig 11 GND TP 2 Adjustment HOT TP 5 Bias Tra a GND TP 7 dp Minimum AC 223 OFF EIE Apply lock paint after adjustment Frequency Counter Check at the halfway point of the tape length Adjust in REC mode Adjust in REC mode HOT TP 6 Rch L206 5 2 0 1 223 Leh Rch VR207 VR208 VR207 VR208 HOT TP 1 GND TP 2 PIAS UIN 6 2 0 1 512 OFF Lch Rch VR205 VR206 VTVM Adjustment TP 3 Adjust in REC mode AC 712 Lch Rch VR203 vR204 RCh GND TP 4 Lch VR815 jan ere Tee GND TP 14 3dB 223 Maximum OFF TAPE IN OZ TG Rch VR816 Rch duds GND TP 14 H Lch VR209 DITS GND 7 160 0 5dB AC 223 Maximum OFF TAPE IN 400Hz 8659 Fig 12 DES TP 16 ENTM VR210 7 223 E ILch Rch VR207 VR208 400Hz 0 1dB 512 Maximum OFF TAPE IN Lch Rch VR205 VR206 OUT 1988 89 13
29. rew from the headphone holder Figure 6 Dolby Switch D 9 Removal of Meter P C Board Figure 6 P C Board 1 Remove the front panel 2 Remove the P C Board by stretching the four detents slightly that secure the P C Board to the frame Figure 8 10 Removal of Motor P C Board Figures 6 and 7 1 Remove the cassette deck mechanism 2 Remove three screws from the P C Board 3 Unsolder the two solenoids and remove the P C Board K 92 Block Diagram 1 Nt adv 6 LNO 34 4 Ano 3NOHd Gv 3H 3NOHd OY3H MS HO LO3NNOO NOI LONNZA MHOSN3S ON3 WS VINYHO3 E V 5 ww M er pur 1 53 250 8 yoly MOI S Svi8 HOLY NDIY 5 ms ddO NO 34987450 SLOW 338 dvHl Svig Ano 238 IW NI Ms o3 338 2 8 Agoda NI ad MS S O3 8d 300233 30OIN3 QGION3 OS ann 84 322 3NOHd Ov3H 31 4 2 382 1 Adjustment Procedures TEST EQUIPMENTS 6 Test Tapes 1 VTVM Vacuum Tube Voltmeter MTT 111 Speed 3kHz 2 Signal Generator MTT 114 Azimuth 10kHz 3 Resistance Attenuator MTT 150 Dolby 400Hz Modulation 4 Screwdriver AC 223 Normal Tape Blank 5 Frequency Counter AC 512 CrO2 Tape Blank i AC 712 Metal Ta
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