Sony TC-D6C User's Manual
Contents
1. MAIN BOARD z E y T 327 ev A 002 03 2SC2458L 030 2SC2458 LED BOARD 1 3 am 755 300 AMP RIPPLE FILTER 801 0043 10 FFI BArT LINE IN A LED DRIVE A C803 S 030 A K gt C 2 28V RIOS CIO em ae Ph U Z _ 002 6001 rl Ox 3 652 Ey l 3301 via V25V RV30I I d 65 SOLA 6V 0801 2SC2458 0801 805 51 VOLTAGE CONTROL GL9PRIO RIGO REC LEVEL ies PLUG IN POWER 75 885 3802 o caros X LEVEL B 10k 65 CX20068 m 8806 INDICATOR DOLBY B C NR 01592 R04 10154 r CE IC301 NJM4558M J 0107 251623 LINE AMP L pa S ce MS 5302 1 poten PB EQ SWITCH 26v m 1 0101 25410481 0305 258810 EY ATT SWITCHING LCH 440120020 s OR gt iL CS 02 NJM386M C HRP 901 1 VOY oie HEADPHONE AMP C134 560p RI25 1303 PA259 3602A gt 63v tt cie Sr TOV x REC PB HEAD TINO 613 CI09 000472. EAD E ka Fife Dolby and the double D symbol are the trade marks of Dolby Laboratories Licensing Corporation Noise reduction system manufactured under license from Dolby Laboratories Licensing Corporation Refer to MDR 40L Service Manual issued previously for information WM D6C Refer to ECM 939LT Service Manual issued previous ly for information of headphones supplied with TC D6C of headphones supplied with WM D6C US Model Canadian Model AEP Model UK Model E Model TC D6C US Model Recording System Wow and Flutter Tape Speed Deviation Speed Tuner Variations Frequency Response S N NAB at peak level Total Harmonic Distorsion Inputs SPECIFICATIONS 4 track 2 channel stereo 0 14 DIN 0 04 WRMS 0 3 speed tuning OFF Approx 4 DOLBY NR OFF e With TYPE IV cassette Sony METALLIC 40 15 000 Hz 3 dB e With TYPE cassette Sony UCX 40 15 000 Hz 3 e With TYPE I cassette Sony BHF or HFX 40 15 000 Hz 3 dB Power Output DOLBY NR C TYPE IV cassette Sony METALLIC 71 dB TYPE Il cassette Sony UCX 71 dB TYPE I cassette Sony BHF or HFX 67 dB DOLBY NR B TYPE IV cassette Sony METALLIC 65dB TYPE Il cassette Sony UCX 65 TYPE I cassette Sony BHF or HFX 61 dB DOLBY NR OFF TYPE IV cassette Sony METALLIC 58dB TYPE cassette Sony UCX 58dB TYPE I cassette Sony BHF or HFX 54
3. adjustment for repair B bus e Voltages dc with respect to ground unless otherwise noted Readings are taken under no signal conditions no mark playback I NORM record H CrO TAPE switch rewind IV METAL lt gt fast forward pause e Voltage variations may be noted due to normal produc tion tolerances AC voltage readings with a VTVM Total current is measured with no cassette installed Note Voltages are measured with VOM 50 2 WM D6C TC D6C SECTION 4 WM D6C TC D6C WM D6C TC D6C ADDITIONAI INFOF SEE 20 DIAGRAMS n Ad 20 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 4 1 MOUNTING DIAGRAM Refer to 26 for semiconductor lead layouts Refer to page 19 for notes Conductor Side 108 208 104 207 107 105 601 702 704 0 0 103 102 203 301 204 205 303 f T d 202 201 206 1 202 109 209 106 02 304 302 1c301 C201 309 396 308 305 307 IC601 703 701 IC p m 805 804 803 802 801 303 302 10 201 301 R CH 2 REC PB HEAD B PACS IV TV ACI4 SVR 37 38 39 40 42 DC DC BOARD SPECTRAL SKEWINGIR BOARD 26 25046030261 E 14 13 599 26v 10 11 HE90I me ERASE HE
4. S eos es 9791 08V 10 8V ON TRv602 pega 50k 9308 TAPE SPEFO 20k B 150k gt C35 5903 TEMPORARILY TURNS O 0302 151555 Ea 33k SWITCHING 5301 3 mm Op 9902 PLAYBACK iA Q T teot 8W 22kll 8W oe AUTO OFF BOARD L m WD MUTE OR RECORD MODE I a r gt 10 6 po 4 BE SC2458 E C E e T 0 05 0309 25 245 T I Y 10 S90 1 PLAYBACK FAST FORWARD EF201 36 k 10 464 Q ERASE HEAD 100 EIE 005v BIAS TIMING L l 0703 704 25 1623 POWER REWIND RECORD MODE I SWITCHING 4 IV 0 504 c 35 1 4V 070 702 25 1623 PH70I SUDO taoa 070 192837 AUTO OFF 1 25 50 1 COMPARATOR WW CN30 4664 R802 DOLBY NR RTS m 0 DC BOARD _ CP304 X XA DC IN EV 22kll 8W PL i gt EE 1 660 0307 25 2001 000 I BIAS 0SC R704 7 070 2 5 1 1545 8 R7IO a L 1 V i 1 3 8V 2 I5Ok 8W 00025 pat 1 T T D P ue o vao Ee Ls 0305 306 2501020 065 5 5814185 ES 6202 16V 1 BIAS SWITCHING 0 CRYSTAL 0SC DIVIDER w NJLSIAIE 1 1 0V PHASE CO
5. P 1 4X3 45 7 627 850 58 SCREW PRECISION P 1 4X3 5 B 2 lt a NOTE The mechanical parts with no reference number in the exploded views are not supplied CAPAC tems marked are not stocked since they are seldom required for routine POSES service Some delay should be antici COILS pated when ordering these items MMH mH UH Due to standardization parts with part numbers or SEMICONDUCTORS may be different from those used in the In each case U set UA UPA If there two or more same circuits in a UPD sss tgp set such as a stereophonic machine only typical circuit parts may be indicated and capacitors and resistors in other same circuits may be omitted 3 1 ITORS All capacitors are in F pacitors are omitted following lists for their part numbers Ec P GENERAL Part No 9 911 837 XX 9 911 841 XX 9 911 845 XX A 3043 068 A X 3305 801 0 X 3305 818 0 X 3305 834 1 X 3305 835 1 X 3564 820 0 3 703 707 01 3 305 968 01 Part No A 1 463 138 00 1 555 658 00 3 305 935 00 3 305 972 00 3 305 973 00 3 305 981 00 3 305 975 00 3 305 938 00 3 305 980 00 3 305 940 00 3 305 970 00 3 570 631 71 3 701 618 00 3 701 625 00 3 773 736 11 3 773 736 21 3 773 736 31 3 773 766 21 3 795 748 21 8 810 036 90 8 951 173 90 for e
6. 0 9 with Sony METALLIC MIC PLUG IN POWER stereo minijack x 1 0 25 mV 70 dB with low impedance microphone LINE IN stereo minijack x 1 77 5 mV 20dB 47 kilohms Battery Life Power Requirements Tape Transport Mechanism Type MT D6C 20 LINE OUT stereo minijack x 1 output level 0 25 V 10 dB less than 4 7 kilohms Headphones stereo minijack x 1 load impedance 8 300 ohms Outputs Headphones mW 30 mW at 10 harmonic distortion load impedance 32 ohms See page 2 6 V dc four batteries IEC designation R6 size AA BP 23 battery pack optional External power input jack required power 6 V dc accepts Sony ac power adaptor optional listed on page 2 for use on appropriate ac power or Sony DCC 127A car battery cord optional for use on 12 V car battery 181 40 x 95 mm w h d 71 4 x 15 5 x 33 4 inches including projecting parts Dimensions Weight Approx 640g 1 Ib 7 oz including batteries OdB 0 775 V STEREO CASSETTE CORDER ON Y WM D 52 en 6C TC D6C Battery life continuous continuous recordin 9 playback E TYPE I IV Sony BHF HFX METALLIO type of cassette TYPE IV TYPEI Sony Sony METALLIO HFX batteries Sony Eveready AM3 alkaline batteries Sony SUM 3 NS New Super batteries hours OTHER POWER SOURCES HOUSE CURRENT Use the appropriate ac power adaptor
7. 313 3 305 865 00 PLATE LOCK 314 3 305 901 00 SPRING TENSION 315 3 305 902 00 SPRING TENSION 316 3 305 903 00 SPRING TENSION 317 3 305 908 00 BUTTON REC 318 3 305 910 00 BEARING A CAPSTAN 319 3 305 914 00 SPRING TENSION 320 3 305 915 00 PLATE LOCK PAUSE 321 3 305 917 00 PLATE B RELEASE PINCH 322 3 305 925 00 WASHER 323 3 305 926 00 POLY WASHER 1 7DIA 324 3 305 952 01 SCREW SWITCH 325 3 305 953 01 SPRING 326 3 305 956 01 BUTTON FWD 327 3 305 957 01 BUTTON STOP 328 3 305 958 01 BUTTON FF 329 3 305 959 01 BUTTON 330 3 305 960 01 BUTTON PAUSE 331 3 309 729 00 SHEET LEAF SWITCH 332 3 314 576 00 WASHER 333 3 480 136 00 BELT B 334 3 513 237 01 PLATE 335 3 527 189 00 SPRING TENSION 336 3 527 190 00 SPRING TENSION 337 3 305 971 01 TERMINAL PLATE 338 3 547 666 00 SPRING TENSION 339 3 547 667 00 SPRING TENSION 340 3 547 669 00 SPRING TENSION 341 3 547 686 00 CLAMP WIRE 342 3 554 103 00 BELT DRIVING 343 3 556 269 00 BRACKET B M 344 3 557 402 00 LEVER C RELEASE 345 3 557 405 00 LEVER SPRING HOOK NOTE MECHANISM SECTION No Part No 346 3 557 408 00 347 3 557 439 00 348 3 557 440 00 349 3 557 495 00 350 3 557 497 00 351 3 557 498 00 352 3 557 509 00 353 3 557 514 00 354 3 557 515 00 355 3 557 516 00 356 3 557 579 00 357 3 557 581 00 358 3 557 805 00 359 6 3 557 813 00 360 3 558 708 21 361 3 559 408 00 362 3 570 894 00 363 3 701 436
8. 00 CARBON 330 5 1 6W R164 1 247 859 00 CARBON 15K 5 1 6W R119 1 247 857 00 CARBON 12K 5 1 6W R165 1 247 851 00 CARBON 6 8K 5 1 6W R120 1 247 835 00 CARBON 1 5K 5 1 6W R166 1 247 867 00 CARBON 33K 5 1 6W R121 1 247 881 00 CARBON 120K 5 1 6W R167 1 247 879 00 CARBON 100K 5 1 6W NOTE The mechanical parts with no reference CAPACITORS number in the exploded views are not All capacitors are in Common ca supplied pacitors are omitted Refer to the Teens marked are not stocked since following lists for their part numbers they are seldom required for routine service Some delay should antici COILS pated when ordering these items MMH mH UH uH Due to standardization parts with part numbers XX or SEMICONDUCTORS may be different from those used in the In each case U for example set UA uA UPA uPA UPC UPC If there are two or more same circuits a UPD uPD set such as a stereophonic machine only typical circuit parts may be indicated and capacitors and resistors in other same Circuits may omitted 35 WM D6C TC D6C p E s i RES RO va mto yn ELECTRICAL PARTS ELECTRICAL PARTS Ref No Part No Description Ref No Part No Description R168 1 247 877 00 CARBON 82K 5 1 6W R714 1 216 230 00 METAL CHIP 22K 5 1 8W R169 1 247 852 00 CARBON 7 5K 5 1 6W R715
9. 00 CARBON 8 2K 5 1 6W Q203 8 729 205 84 TRANSISTOR 2SC2458L BL R124 1 247 857 00 CARBON 12K 5 1 6W Q204 8 729 205 84 TRANSISTOR 2SC2458L BL R125 1 247 861 00 CARBON 18K 5 1 6W Q205 8 729 205 84 TRANSISTOR 25C2458L BL R126 1 247 895 00 CARBON 470K 5 1 6W Q206 8 729 205 84 TRANSISTOR 2SC2458L BL R127 1 247 843 00 CARBON 3 3K 5 1 6W Q207 8 729 100 66 TRANSISTOR 25 1623 R128 1 247 850 00 CARBON 6 2K 5 1 6W 0208 8 729 102 03 TRANSISTOR 2SD1020 R129 1 247 848 00 CARBON 5 1K 5 1 6W Q209 8 729 100 66 TRANSISTOR 25 1623 R130 1 247 874 00 CARBON 62K 5 1 6W 0301 8 729 245 83 TRANSISTOR 2SC2458 R131 1 247 838 00 CARBON 2K 5 1 6 0302 8 729 245 83 TRANSISTOR 25 2458 R132 1 247 867 00 CARBON 33K 5 1 6W Q303 8 729 800 83 TRANSISTOR 2SB808 R133 1 247 838 00 CARBON 2K 5 1 6W Q304 8 729 245 83 TRANSISTOR 25 2458 R134 1 247 861 00 CARBON 18K 5 1 6W Q305 8 729 102 03 TRANSISTOR 2501020 R135 1 247 888 00 CARBON 240K 5 1 6W 0306 8 729 102 03 TRANSISTOR 2501020 R136 1 247 888 00 CARBON 240K 5 1 6W Q307 8 729 100 13 TRANSISTOR 2SC2001 R137 1 247 837 00 CARBON 1 8K 5 1 6W Q308 8 729 800 83 TRANSISTOR 2SB808 R138 1 247 862 00 CARBON 20K 5 1 6W 0309 8 729 245 83 TRANSISTOR 2SC2458 R139 1 247 859 00 CARBON 15 5 1 6W Q601 8 729 801 83 TRANSISTOR 2SB1013 R140 1 247 867 00 CARBON 33K 5 1 6W Q701 8 729 100 66 TRANSISTOR 2SC1623 R141 1 247 825 00 CARBON 560 5 1 6W Q702 8 729 100 66 TRANSISTOR 25 1623 R142 1 247 838 00 CARBON 2K 5 1 6W Q703 8 729 100 66 TRANSISTO
10. 216 230 00 METAL CHIP 22K 5 1 8W T301 1 433 244 00 TRANSFORMER OSCILLATOR R709 1 216 222 00 METAL CHIP 10K 1 84 22 2 R710 1 216 250 00 METAL CHIP 150K 5 1 8W 701 1 527 957 00 OSCILLATOR CRYSTAL R711 1 216 206 00 METAL CHIP 2 2K 5 1 8W R712 1 216 246 00 METAL CHIP 100K 5 1 8W R713 1 216 270 00 METAL CHIP 1M 5 1 80 NOTE The mechanical parts with no reference CAPACITORS number in the exploded views are not All capacitors are in ca supplied pacitors are omitted Refer to the Items marked are not stocked since following lists for their part numbers they are seldom required for routine service Some delay should antici COILS pated when ordering these items MMH mH UH LH Due to standardization parts with part numbers 4 AAL L XX or SEMICONDUCTORS may be different from those used in the In each case U for example set UA uA UPA uPA UPC If there two or more same circuits in a UPD 0 set such as stereophonic machine only Enqlish typical circuit parts may be indicated and e capacitors and resistors in other same Sony Corporation 84B06154 1 Circuits may be omitted Printed in Japan 9 951 11 36 1984
11. 9 Hz Deliver the standard input signal level to the 5 Set SPEED TUNE switch to ON and SPEED input jack and set the REC LEVEL control to TUNE control toate center position obtain the standard output signal level 6 Turn RV603 so that frequency reading be Standard Input Level comes 3 000 Hz 10 Hz 7 Set SPEED TUNE control to maximum posi tion in 5 direction Now frequency reading so imped I should be below 2 884 Hz input level 8 Set SPEED control to maximum stop in F direction Now the frequency should be Standard Output Level above 3 120 Hz HEAD 9 Set SPEED TUNE control back to center posi load impedance 47kQ 322 Adjustment Location main board 0 254 0 25V output level 984 104 RV601 RV603 S601 RV602 SPEED TUNE SPEED TUNE 5 Record playback Head Azimuth Adjustment Setting RV101 201 playback level mechanical mid Procedure 1 Mode playback test tape P 4 A063 6 3 kHz 10 dB f L CH 47k Q oscilloscope LINE OUT Screen pattern in phase 45 90 135 180 good wrong 2 Turn the adjustment screw for the maximum output levels If these levels do not match turn the adjustment screw until both of output levels match together within 0 5 dB N L CH within _ peak output 0 528 within levels 0 5 R CH Screw peak position e a
12. RECHARGEBLE SIZE BATTERY 23 DESIGNATION R6 4PCS 6V x WM D6C TC D6C SECTION 2 DISASSEMBLY CASSETTE LID cassette lid lt poly washer 1 2 precision screw P 7 4 x 3 REEL PANEL precision screw P 1 4 x 1 6 reel panel Note When installing the reel panel insert this protrusion first to under the head chassis WM D6C TC D6C UPPER AND LOWER PANEL precision upper panel screw P 1 4 x 2 5 When installing the upper panel slightly hend the center portion at the part shown by arrow and install it from the switch knob side NE precision screw P f 4x 2 5 precision screw P 1 4x 2 5 switch cover precision E screwP1 4x2 A lt s nut plate This part is affixed to the cabinet Do not lose this precision screw P 1 4x 3 5 lower panel When installing the lower panel first align the heads of jacks with the holes of the panel then install it from the jack side LED HOLDER AND LED BOARD precision screw P 1 4 3 5 PEAK BATT knob This knob is merely put Precision on the switch knob screw P 1 4x 3 5 LED board selector knob DOLBY NR knob WM D6C TC D6C MAIN BOARD Note When installing the main board set screw P 1 4x 3 SW 1 4 ground spring precision screw 1 4 3
13. main board main board cabinet Note When installing the main board slightly open the main board and preparatory install SPEED TUNE knob on the slide switch knob then completely install the main board to the cabinet with groove of SPEED TUNE knob properly set on the edge of the cabinet And check that the knob smoothly moves and the switch securely operates CABINET precision screw P 1 4x 3 5 precision screw P 1 4x 3 5 cabinet Note When installing the cabinet dress lead wires from the LED board to inside so they are not damaged by the boss of the cabinet WM D6C TC D6C DC DC BOARD Note When C316 is replaced bend its lead diagonally and lay it on the DC DC board not to touch components on the main board DC DC board Pod lt gt gt 22 REC PB ERASE HEAD AND PINCH LEVER precision screw P 2 x 4 5 erase head lead wire REC PB head head height adjustment plate WM D6C TC D6C MOTOR precision screw P 1 4 x 2 v bration proof rubber motor bracket motor shield case vibration proof rubber E 1 c P m m mmm EE E PPP GENERAL NOTES SERVICING Secure the lead wires and shielded wires to the main board with sections of adhesive tapes as shown below otherwise prope
14. 00 TANTALUM 33MF 20 6 3V C150 1 107 323 00 MICA CAPACITOR UNIT C704 1 163 161 00 CERAMIC CHIP 15PF 5 50V L201 1 408 682 00 MICRO INDUCTOR 10MMH C151 1 163 988 00 CERAMIC CHIP 180PF 5 100V C705 1 163 169 00 CERAMIC CHIP 33PF 5 50V C104 1 131 408 00 TANTALUM 1MF 20 35 C152 1 102 074 00 CERAMIC 0 001MF 10 50 C706 1 123 617 00 ELECT 10MF 20 16V L202 1 408 704 00 MICRO INDUCTOR 33MMH C105 1 131 408 00 TANTALUM 1MF 20 35V 301 1 408 557 00 MICRO INDUCTOR 3 3UH C106 1 102 074 00 CERAMIC 0 001MF 10 50 C153 1 102 115 00 CERAMIC 560PF 10 50 C801 1 124 255 00 ELECT 1MF 20 50V C154 1 163 181 00 CERAMIC CHIP 100PF 5 50 C802 1 124 238 00 ELECT 4 7MF 20 25V M901 X 3305 830 1 MOTOR ASSY MNF 1601A C107 1 123 615 00 ELECT 4 7MF 20 35V C155 1 102 115 00 CERAMIC 560PF 10 50V C803 1 123 618 00 ELECT 22MF 20 6 3V C108 1 161 011 00 CERAMIC 0 0068MF 10 25V C804 1 131 418 00 TANTALUM 1MF 20 10V PH701 8 719 751 42 DIODE NJL5141E C109 1 102 116 00 CERAMIC 680PF 10 50V C156 1 107 208 00 MICA 18PF 5 500V C301 1 124 228 00 ELECT 22MF 20 10V CN301 1 507 749 00 JACK EXTENTION POWER DC IN 6V Q101 8 729 204 83 TRANSISTOR 2SA1048 GR C110 1 131 375 00 TANTALUM 4 7MF 20 10V C302 1 131 371 00 TANTALUM 10 20 16V 0102 8 729 205 84 TRANSISTOR 2SC2458L BL Clll 1 102 074 00 CERAMIC 0 001MF 10 50V CP101 1 235 317 11 FILTER LOW PASS 0103 8 729 205 84 TRANSISTOR 2SC2458L BL C112 1 131 375 00 TANTALUM 4 7MF 20 10V C303 1 123 617 00 ELECT 10MF 20 16V CP1
15. 01 364 3 701 437 01 365 366 3 703 502 22 367 3 703 502 32 368 3 831 441 369 7 621 255 15 370 7 621 255 25 371 7 623 203 11 372 7 624 101 01 373 7 624 102 04 374 7 624 104 04 375 7 627 451 08 376 7 627 451 27 377 7 627 551 57 378 7 627 551 78 379 7 627 553 57 380 7 627 850 07 381 7 627 850 47 382 7 627 851 27 383 7 671 111 01 384 3305 804 0 385 3305 806 0 386 3305 807 0 387 6 X 3305 808 0 388 3305 809 0 389 3305 810 0 390 3305 811 0 Common to the The components identified by shading and mark Avare critical for safety Replace only with part number specified Les composants identifi s par une trame et une marque Asont critiques pour la securit Ne les remplacer que par une piece portant le num ro specifie The mechanical parts with no reference number in the exploded views are not supplied tems marked are not stocked since they are seldom required for routine service Some delay should be antici pated when ordering these items Due to standardization parts with part numbers 2 242 272 or 5 555 A Ss X may be different from those used in the set If there are two or more same circuits in a set such as a stereophonic machine only typical circuit parts may be indicated and capacitors and resistors in other same circuits may be omitted CAPACITORS All capacitors are in ca pacitors are om
16. 02 1 235 318 11 FILTER SP SK C304 1 124 228 00 ELECT 22MF 20 10 201 1 235 317 11 FILTER 10 55 0104 8 729 205 84 TRANSISTOR 2SC2458L BL C113 1 102 115 00 CERAMIC 560PF 10 50V C305 1 131 391 00 TANTALUM 22MF 20 3 15V 0105 8 729 205 84 TRANSISTOR 2SC2458L BL C114 1 130 487 00 MYLAR 0 022MF 5 50 CP202 1 235 318 11 FILTER SP SK 0106 8 729 205 84 TRANSISTOR 2SC2458L BL C115 1 131 408 00 TANTALUM 1MF 207 35V C306 1 124 224 00 ELECT 47MF 20 6 3V CP301 1 464 177 00 CIRCUIT UNIT MUTING C307 1 123 618 00 ELECT 22MF 20 6 3V CP302 1 464 176 00 CIRCUIT UNIT SWITCHING Q107 8 729 100 66 TRANSISTOR 2SC1623 C116 1 130 479 00 MYLAR 0 0047MF 5 50V C308 1 131 375 00 TANTALUM 4 7MF 20 10V 0108 8 729 102 03 TRANSISTOR 2501020 117 1 102 106 00 CERAMIC 100 10 50V CP303 1 464 176 00 CIRCUIT UNIT SWITCHING 0109 8 729 100 66 TRANSISTOR 25 1623 C118 1 130 483 00 MYLAR 0 01MF 5 50 CP304 1 464 183 21 CONVERTER UNIT DC DC NOTE NOTE The mechanical parts with no reference CAPACITORS The mechanical parts with no reference CAPACITORS number in the exploded views are not All capacitors are in Common ca number in the exploded views are not All capacitors are in Common ca WM D6C TC D6C ELECTRICAL PARTS ELECTRICAL PARTS Ref No Part No Description Ref No Part No Description Q201 8 729 204 83 TRANSISTOR 2SA1048 GR R122 1 247 851 00 CARBON 6 8K 5 1 6W 0202 8 729 205 84 TRANSISTOR 2SC2458L BL R123 1 247 853
17. 1 216 278 00 METAL CHIP 2 2M 5 1 8W R301 1 247 857 00 CARBON 12K 5 1 6W R716 1 216 180 00 METAL CHIP 180 5 1 8W R302 1 247 855 00 CARBON 10K 5 1 6W R801 1 247 855 00 CARBON 10K 5 1 6W R303 1 247 857 00 CARBON 12 5 1 6W R802 1 247 855 00 CARBON 10K 5 1 6W R305 1 247 865 00 CARBON 27K 5 1 6W R804 1 247 879 00 CARBON 100K 5 1 6W R306 1 247 863 00 CARBON 22K 5 1 6W R805 1 247 855 00 CARBON 106 5 1 6W R307 1 247 879 00 CARBON 100K 5 1 6W R806 1 247 879 00 CARBON 100K 5 1 6W R308 1 247 847 00 CARBON 4 7K 5 1 6W R807 1 247 855 00 CARBON 10K 5 1 6W R309 1 247 879 00 CARBON 100K 5 1 6W R808 1 247 857 00 CARBON 12 5 1 6W R310 1 247 863 00 CARBON 22K 5 1 6W R809 1 247 873 00 CARBON 56K 5 1 6W R311 1 247 865 00 CARBON 27K 54 1 6W R810 1 247 875 00 CARBON 68K 5 1 6W 8312 1 247 823 00 CARBON 470 5 1 6W 8811 1 247 847 00 CARBON 4 7K 5 1 6W R313 1 247 821 00 CARBON 390 5 1 6W R812 1 247 853 00 CARBON 8 2K 5 1 6W R314 1 247 847 00 CARBON 4 7K 5 1 6W R813 1 247 783 00 CARBON 10 5 1 6W R315 1 247 847 00 CARBON 4 7K 5 1 6W R814 1 247 813 00 CARBON 180 5 1 6W R316 1 247 795 00 CARBON 33 5 1 6W R815 1 247 813 00 CARBON 180 5 1 6W R317 1 247 871 00 CARBON 47K 5 1 6W 816 1 247 813 00 CARBON 180 5 1 6W R318 1 247 867 00 CARBON 33K 5 1 6W R817 1 247 813 00 CARBON 180 5 1 6W R319 1 247 867 00 CARBON 33K 5 1 6W R818 1 247 813 00 CARBON 180 5 1 6W R320 1 247 881 00 CARBON 120K 5 1 6W R819 1 247 831 00 CARBON 1K 5 1 6W R321 1 247 831 00
18. 305 868 00 KNOB SPEED CONTROL 6 3 305 871 11 KNOB TAPE SELECTOR 7 3 305 872 00 KNOB SWITCH SPEED CONTROL 8 3 305 873 00 TERMINAL BOARD BATTERY 9 3 305 874 00 SPRING 10 3 305 875 00 CHASSIS CLAW LOCK 11 3 305 887 00 COVER SWITCH 12 3 305 888 00 RETAINER 13 3 305 889 00 SHAFT BELT CARRYING 14 3 305 891 00 KNOB CONTROL SLIDE 15 3 305 892 00 CLAW LOCK 16 3 305 896 00 CASE BATTERY 17 3 305 897 00 HOLDER LED 18 3 305 947 00 LABEL DOLBY 19 3 305 961 01 KNOB DOLBY 20 3 305 962 01 LABEL FRONT 2 3 305 963 01 WM D6C PANEL UPPER 2 3 305 969 01 TC D6C PANEL UPPER 22 3 305 966 01 KNOB 23 3 305 967 01 PLATE ORNAMENTAL 24 amp 3 308 430 00 RETAINER REFLECTOR PHOTO 25 9 910 840 XX CUSHIUN RELEASE t 3 26 3 527 126 00 MARK BATTERY CASE 27 3 557 575 00 SPRING COMPRESSION 28 3 570 615 00 POLY WASHER DIA 1 2 29 3 570 903 00 LEG 30 3 572 862 00 SPACER 31 3 574 744 00 PLATE B NUT 32 3 701 999 00 LABEL SERIAL NUMBER 33 3 831 441 SPACER t 0 5 34 3 831 441 XX CUSHION t 0 5 35 3 884 171 00 STOPPER 36 7 623 203 11 SW 1 4 TYPE 1 37 7 624 106 04 STOP RING 3 0 TYPE E 38 7 627 451 38 SCREW PRECISION K 1 4X2 39 7 627 551 08 SCREW PRECISION P 1 4X1 6 40 7 627 552 37 SCREW PRECISION P 1 7X3 41 7 627 850 08 SCREW PRECISION P 1 4X2 42 7 627 850 18 SCREW PRECISION P 1 4X2 5 43 7 627 850 27 SCREW PRECISION P 1 4X3 44 7 627 850 28 SCREW PRECISION
19. 41207 27k LHACS gt 680 0 001 HID 03v LIM 5301 1 rm OP RV302 1 1304 t PB 32 I mo ET 50k C 2 HEADPHONES 4 lov 82 47k HE ADPHONE VOLUME 0104 106 2SC2458L 1 302 NJM4558M Ov 47 PB EQ REC EQ AMP 4 inte LEVEL 2 2 OV o LONE E UU 5 TE p 39 3 62V o 55 a 505 0301 HZ3ALL 0108 2501020 0302 25 2458 0304 25 2458 000 w i eS D RVIO2 RaO SAB 3v HEADPHONE AMP VOLTAGE DETECT HEADPHONE AMP 2 l MUTI MUT 0 56k 9 cigg lt 28 ua 00 mee 5V 2 4 qp 2831 T 55 i 22209 220 22935 V 5 144 1 0109 25 1623 EE AN 0303 151555 EQ MUTING 7 0k i 960 2SBI063 1 601 20084 _ MOTOR DRIVE SERVO MNF I601A 4 33k 6 KON 26901 py R CH R CH IS THE AS L CH REF No 200 R CH 15 THE AS L cH HRP90I 2 E REF Na 200 LE DOUBLE amp PA259 3602A A LD 7 JINTEGRATOR of A REC PB HEAD RV60 IE ACIA SV G 0 85V h T 65V gt 220k logan YY S60 RV602 1 SPEED TUNE 5904 WHILE STOP B p s 00157 850 Hn du STOP MUTE Sona is PUSHED 605 0606 L se clc sx k xa au a A e u a au TRO 00037 10
20. 59 700 43 IC NJM4558M Ref No Part No Description C141 1 102 116 00 CERAMIC 680PF 10 50 C608 1 131 361 00 TANTALUM 2 2MF 20 20 7 j C142 1 131 341 00 TANTALUM 0 1MF 20 35 C609 1 161 013 00 CERAMIC 0 01MF 10 25V 1601 8 759 909 45 IC CX20084 501 1 611 493 11 PC BOARD NC DC C143 1 131 361 00 TANTALUM 2 2MF 201 20V C610 1 130 482 00 MYLAR 0 0082MF 5 50V IC701 8 759 958 14 MSM58141RS 502 4 amp 1 611 495 11 BOARD LED IC801 8 759 909 40 IC CX10043 503 1 611 909 11 PC BOARD SPECTRAL SKEWING R C144 1 131 375 00 TANTALUM 4 7MF 20 10 C611 1 130 483 00 MYLAR 0 01MF 5 50V C145 1 130 483 00 MYLAR 0 01MF 5 50 C612 1 130 483 00 MYLAR 0 01 5 50V J301 1 507 794 31 JACK SMALL TYPE WITH SWITCH 504 4 1 611 910 11 PC BOARD SPECTRAL SKEWING L C146 1 130 485 00 MYLAR 0 015MF 5 50V C613 1 130 485 00 MYLAR 0 015MF 5 50V J302 1 507 929 21 JACK LINE IN 505 3068 070 MOUNTED PCB MAIN 2303 1 507 929 21 JACK LINE OUT 506 A 3068 074 A MOUNTED AUTO OFF 147 1 130 484 00 MYLAR 0 012MF 5 50V C701 1 163 077 00 CERAMIC CHIP 0 1 50V 9304 1 507 929 11 JACK HEAD PHONES C148 1 130 485 00 MYLAR 0 015MF 5 50 C702 1 123 618 00 ELECT 22MF 20 6 3V C101 1 124 499 00 ELECT 1MF 20 50V C149 1 107 042 00 MICA 2 2PF 500V C703 1 163 161 00 CERAMIC CHIP 15PF 5 50V 1101 1 408 682 00 MICRO INDUCTOR 10MMH C102 1 102 074 00 CERAMIC 0 001MF 10 50V L102 1 408 704 00 MICRO INDUCTOR 33MMH C103 1 131 386
21. AD UE 8702 43 ACIB Sv 1AC25 5V N IAC64V 4 RECHARGEABLE 23 i DIV roos E rater a eee ERE BLK BLK 1 I 2 1 ma 09v SIZE AA 1 407 tao 005v 1 V H 5801 ATT 5903 f TEMPORARILY TURNS MON IN RECORD MODE u SS 5 C pn mE sas 4 5 oR RECORD E SS BLK 7 l 53 Se 2 3 S904 WHILE PUSHING STOP BUTTON RED 4 STOP MUTE stor LEVER IS CONTACT WITH 5 TERMINAL PLATE 6 5901 ON IN PLAYBACK FAST FORWARD el REWINO OR RECORD MODE 1 2 3 4 5 6 8 gt BRN 18 lt 23 24 29 30 31 gt TERMINAL PLATE J 25 26 27 gt STOP LEVER CHASSIS GROUND E dz i 14 15 16 20 21 22 WM D6C TC D6C WM D6C TC D6C WM D6C TC D6C WM D6C TC D6C 4 2 SCHEMATIC DIAGRAM
22. CARBON 1K 5 1 6W RV101 1 226 710 00 RES ADJ SOLID 10K R322 1 247 855 00 CARBON 10K 5 1 6W RV102 1 230 035 00 RES ADJ CARBON 10K R601 1 247 840 00 CARBON 2 4K 5 1 6W RV201 1 226 710 00 RES ADJ SOLID 10K R602 1 247 873 00 CARBON 56K 5 1 6W RV202 1 230 035 00 RES ADJ CARBON 10K R603 1 214 781 00 METAL 150 1 1 49 RV301 1 230 275 11 RES VAR R604 1 214 781 00 METAL 150 1 1 48 RV302 1 228 545 00 RES VAR SLIDE 50K 50K R605 1 247 855 00 CARBON 10K 5 1 6W RV601 1 230 351 11 RES ADJ METAL GLAZE 50K R607 1 247 879 00 CARBON 100K 5 1 6W RV602 1 228 607 00 RES VAR CARBON 20K R608 1 247 855 00 CARBON 10K 5 1 6W RV603 1 230 351 11 RES ADJ METAL GLAZE R609 1 247 887 00 CARBON 220K 5 1 6W 301 1 554 029 00 SWITCH SLIDE REC PB SELECT R610 1 247 876 00 CARBON 75K 5 1 6W 5302 1 554 222 00 SWITCH SLIDE MIC R701 1 216 206 00 METAL CHIP 2 2K 5 1 8W 5601 1 554 142 00 SWITCH SLIDE SPEED TUNE R702 1 216 258 00 METAL CHIP 330K 5 1 8W S801 1 554 746 11 SWITCH SLIDE PEAK BATT SELECT R703 1 216 246 00 METAL CHIP 100K 5 1 8W 5802 1 552 642 00 SWITCH DOLBY NR R704 1 216 252 00 METAL CHIP 180K 5 1 8W S803 1 552 642 00 SWITCH TAPE SELECT R705 1 216 252 00 METAL CHIP 180K 5 1 8W 5901 1 553 226 00 SWITCH LEAF POWER R706 1 216 238 00 METAL CHIP 47K 5 1 8W 5902 1 552 181 00 SWITCH LEAF FWD MUTE R707 1 216 222 00 METAL CHIP 10K 5 1 8W 5903 1 553 198 00 SWITCH LEAF R708 1
23. ECHANICAL C129 1 161 009 00 CERAMIC 0 0047MF 10 25 319 1 102 074 00 CERAMIC 0 001MF 10 50V 0805 8 719 909 10 DIODE GL9PR10 402 3557 407 0 IDLER ASSY FWD C130 1 124 252 00 ELECT 0 20 50 C320 1 124 224 00 ELECT 47 20 6 3V FG901 3164 245 SUB ASSY FG 403 3557 408 0 LEVER B ASSY F R C131 1 131 408 00 TANTALUM 1MF 20 35V C321 1 102 074 00 CERAMIC 0 001MF 10 50V 404 3557 409 0 PULLEY ASSY F R C132 1 131 408 00 TANTALUM 1MF 20 35 C322 1 102 074 00 CERAMIC 0 001MF 10 50V HE901 8 825 724 00 HEAD ERASE EF 201 36 405 X 3557 411 0 LEVER A ASSY F R C133 1 130 483 00 MYLAR 0 01MF 5 50V C601 1 123 607 00 ELECT 0 1MF 20 50V HRP901 8 825 529 60 HEAD REC PB 259 36024 406 X 3557 433 0 BRACKET ASSY COUNTER C134 1 102 115 00 CERAMIC 560PF 10 50V C602 1 123 610 00 ELECT 0 47MF 20 50V 407 3568 702 0 LEVER ASSY STOP C135 1 131 408 00 TANTALUM 1MF 20 35V C603 1 123 607 00 ELECT 0 1MF 20 50V IC101 8 752 006 80 IC CX20068 C136 1 131 408 00 TANTALUM 1MF 20 35 604 1 102 120 00 CERAMIC 0 0018 10 50V IC102 8 759 700 50 NJM386M IC201 8 752 006 80 IC CX20068 C137 1 124 224 00 ELECT 47MF 20 6 3V 605 1 130 865 00 FILM 0 0033MF 5 50V C138 1 123 661 00 ELECT 100MF 20 6 3V C606 1 131 389 00 TANTALUM 10MF 20 3 15V 1 202 8 759 700 50 IC NJM386M ELECTRICAL PARTS C139 1 124 257 00 ELECT 2 2MF 20 50 C607 1 123 822 00 ELECT 47MF 20 10V IC301 8 759 700 43 NJM4558M IC302 8 7
24. ECT 47MF 20 6 3V 0101 8 719 815 55 DIODE 151555 392 X 3305 813 0 LEVER B ASSY REC C120 1 131 389 00 TANTALUM 10MF 20 3 15V C310 1 123 612 00 ELECT 2 2MF 20 50 0201 8 719 815 55 DIODE 151555 393 X 3305 814 0 LEVER ASSY REC C121 1 161 017 00 CERAMIC 0 022MF 10 25V C311 1 130 896 00 FILM 0 0082MF 5 400V 0301 8 719 942 31 DIODE HZ3ALL 394 X 3305 821 0 LEVER ASSY PAUSE C122 1 124 257 00 ELECT 2 2MF 201 50V C312 1 131 361 00 TANTALUM 2 2MF 20 20V 0302 8 719 815 55 DIODE 151555 395 3305 823 0 5515 55 HEAD C123 1 131 342 00 TANTALUM 0 15MF 10 35 C313 1 130 479 00 MYLAR 0 004 7MF 5 50V D303 8 719 815 55 DIODE 151555 396 X 3305 824 0 FLYWHEEL BLOCK ASSY C124 1 131 400 00 TANTALUM 0 047MF 20 35V C314 1 161 005 00 CERAMIC 0 0022MF 10 25V 0701 8 719 100 05 DIODE 152837 397 amp X 3305 826 0 LEVER ASSY PREVENTION SO C125 1 131 400 00 TANTALUM 0 047MF 20 35V C315 1 123 320 00 ELECT 100MF 20 16 0801 8 719 909 10 DIODE GL9PR10 398 3305 827 0 PINCH LEVER ASSY 126 1 131 400 00 TANTALUM 0 047MF 20 35V C316 1 123 320 00 ELECT 100MF 20 16V 0802 8 719 909 10 DIODE GL9PR10 399 X 3305 828 0 TABLE ASSY EJECT LEVER C127 1 131 342 00 TANTALUM 0 15 10 35V C317 1 123 308 00 ELECT 220MF 20 10V 0803 8 719 909 10 DIODE GL9PR10 400 3305 832 1 TABLE COMPLETE ASSY BEARING C128 1 131 342 00 TANTALUM 0 15MF 10 35V C318 1 123 827 00 ELECT 220MF 20 0804 8 719 909 10 0100 GL9PR10 401 3305 833 1 CHASSIS ASSY M
25. MPARATOR BATTERY RECHARGEABLE J 1 105 T SIZE BATTERY PACK Me 703 C704 705 IEC DESIGNATION R6 BP 23 07 10 4PCS 6V O O 4 2 8 DAS E 27 WM D6C TC D6C WM D6C TC D6C SECTION 5 EXPLODED VIEWS AND PARTS LIST 5 3 5 2 B gt 8 figure 5 5 lt 5901 including 28 27 26 cathode f B anode Ce N i 2501020 151555 HZ3ALL GL9PR10 NJL5141E Y 2SC2458L BL N s 5 10 gt lt o o z N CX10043 CX20068 CX20084 NJM386M 258808 2SC2458 2SB1013 2SC2001 2SC1623 WM D6C TC D6C WM D6C TC D6C Semiconductor Lead Layouts x WM D6C TC D6C 4 5 6 7 8 N p 7 7 MA figure 5 5 qu ale WM D6C TC D6C 5 oly W o 999 7 0 3 3 gt MEM VIA 66 figure 5 3 contain in 4A E mark and C mark of figure 5 3 GENERAL SECTION No Part No Description 1 3 305 801 00 SPRING 2 3 305 802 00 PLATE NUT 3 3 305 804 00 SPRING 4 3 305 867 00 KNOB A CONTROL REC 5 3
26. R 25 1623 R143 1 247 835 00 CARBON 1 5K 5 1 6W Q704 8 729 100 66 TRANSISTOR 25 1623 R144 1 247 871 00 CARBON 47K 5 1 6W Q801 8 729 245 83 TRANSISTOR 2SC2458 R145 1 247 873 00 CARBON 56K 5 1 6W R101 1 247 879 00 CARBON 100K 5 1 6W R146 1 247 855 00 CARBON 10K 5 1 6W R102 1 247 865 00 CARBON 27K 5 1 6W R147 1 247 839 00 CARBON 2 2K 5 1 6W R103 1 247 855 00 CARBON 10K 5 1 6W R148 1 247 839 00 CARBON 2 2K 5 1 6W R104 1 247 811 00 CARBON 150 5 1 6W R149 1 247 865 00 CARBON 27K 5 1 6W R105 1 247 867 00 CARBON 33K 5 1 6W R150 1 247 863 00 CARBON 22K 5 1 6W R106 1 247 835 00 CARBON 1 5K 5 1 6W R151 1 247 821 00 CARBON 30 5 1 6W R107 1 247 845 00 CARBON 3 9K 5 1 6W R152 1 247 787 00 CARBON 15 5 1 6W R108 1 247 863 00 CARBON 22K 5 1 6W R153 1 247 847 00 CARBON 4 7K 5 1 6W R109 1 247 895 00 CARBON 470K 5 1 6W R155 1 247 867 00 CARBON 33K 5 1 6W R110 1 247 903 00 CARBON 1M 5 1 6W R156 1 247 873 00 CARBON 56K 5 1 6W R111 1 247 849 00 CARBON 5 6K 5 1 6W R157 1 247 879 00 CARBON 100K 5 1 6W R112 1 247 829 00 CARBON 820 5 1 6W R158 1 247 845 00 CARBON 3 9K 5 1 6W R113 1 247 877 0G CARBON 82K 5 1 6W R159 1 247 851 00 CARBON 6 8K 5 1 6W R114 1 247 877 00 CARBON 82K 5 1 6W R160 1 247 855 00 CARBON 10K 5 1 6W R115 1 247 809 00 CARBON 120 5 1 6W R161 1 247 816 00 CARBON 240 5 1 6W R116 1 247 849 00 CARBON 5 6K 5 1 6W R162 1 247 811 00 CARBON 150 5 1 6W R117 1 247 879 00 CARBON 100K 5 1 6W R163 1 247 817 00 CARBON 270 5 1 6W R118 1 247 819
27. TC D6C Replacing chip components All chip components should be connected and disconnect ed using a tapered soldering iron temperature of the iron tip less than 280 C 536 F a pair of tweezers and braid ed wire Precautions for replacement 1 Do not disconnect the chip component forcefully Otherwise the pattern may peel off 2 Never re use a disconnected chip component Dispose of all old chip components 3 To protect the chip component heating time for attach ing the component should be within 3 seconds Removing chip components 1 solder at electrode Remove the solder at the electrode using a thin braided wire Do not remove the solder of the part chip component attached adjacent to the electrode Pattern P Soldering iron Braided wire 2 Disconnecting chip components Turn the tweezers with the soldering iron alternately applied to both electrodes and the chip component will be disconnected Take careful precautions while disconnecting because if the chip component is force fully removed the land may peel off Never re use a disconnected chip component Turn Tweezers 3 Smoothing the soldered surface After disconnecting the chip component remove the solder by using a braided wire to smooth the land surface O Connecting chip components The value of chip components is not displayed on the main body Take due precautions to avoid mixing new chip components with
28. e holding Spring Adjustment 1 Pull the spring scale outward until the cassette holding spring releases from the cassette half Slowly return the spring scale back to the cassette half until the spring just touches the edge of the cassette half Read the spring scale at this instant 3 Adjust the spring by bending back and forth to satisfy the spring scale value spring scale 130 2609 4 59 9 17 oz cassette half V cassette holding spring Pause Action Adjustment 1 Insert a cassette tape and put into playback mode 2 At this time confirm that the pinch release plate A does not touch on the pinch release plate B and the pause lever 3 Check for the lock timing when the pause button is pushed in playback mode Lock timing The tape is stopped without placing in cue mode and is not reversed after the pinch roller is detached from the cap stan 4 When pushing the pause button again to restart the set make sure that the pinch roller is con tact with the capstan after the unit begins to take the tape up without placing in cue mode Make sure that the take up reel table does not rotate after the pinch roller is contact with the capstan When putting the pause Adjustment of the pinch release plate A button ON or OFF In case of CUE mode Bend to A side Bend to side In case of reversing pinch release plate A capstan pinch
29. eldom required for routine MESES they seldom required for routine is service Some delay should be antici COILS service Some delay should be antici COILS pated when ordering these items pated when ordering these items MMH mH UH MMH mH UH uH Due to standardization parts with part Due to standardization parts with part numbers or 5 SL5AL S4 5 X SEMICONDUCTORS numbers 2 442 22 or A AAAL AAS X SEMICONDUCTORS may be different from those used in the In each case U u for example may be different from those used in the In each case U for example set UA UPA GPA UPC set UA UPA UPC uPC If there are two or more same circuits in a UPD PD If there are two or more same circuits in a UPD PD set such as a stereophonic machine only set such as a stereophonic machine only typical circuit parts may be indicated and typical circuit parts may be indicated and capacitors and resistors in other same capacitors and resistors in other same circuits may be omitted 33 circuits omitted 34 MECHANISM SECTION ELECTRICAL PARTS ELECTRICAL PARTS ELECTRICAL PARTS Part No Description Ref No Part No Description Ref No Part No Description Ref No Part No Description 391 3305 812 0 CHASSIS ASSY PAUSE C119 1 130 483 00 MYLAR 0 01MF 5 50V C309 1 124 224 00 EL
30. itted Refer to the Description SHAFT LOCK PLATE GEAR A F R GEAR B F R SPRING TENSION ARM JOINT SPRING TENSION GEAR 3 LEVER FWD LEVER FF LEVER REWIND SPRING TENSION SPRING TENSION CASE SHIELD M RUBBER VIBRATION PROOF WASHER STOPPER POLY WASHER 1 2 DIA SPRING TENSION WASHER 1 6 t 0 13 WASHER 2 t 0 13 SCREM SCREM SPACER t 0 5 SCREW P 2X3 SCREM P 2X4 SW 1 4 TYPE 1 RING RETAINING 1 2 STOP RING 1 5 TYPE E STOP RING 2 0 TYPE E SCREW PRECISION K 1 4X1 6 SCREW PRECISION K 1 4 3 SCREW PRECISION P 1 4X3 SCREW PRECISION P 1 4X4 SCREW PRECISION P 2 4 5 SCREW PRECISION P 1 4 2 SCREM PRECISION P 1 4X1 6 SCREW PRECISION P 1 4X5 STEEL BALL 1MM PULLEY ASSY MIDWAY BRACKET ASSY MOTOR SHAFT LEVER A ASSY MOTOR BRACKET ASSY MOTOR LEVER C ASSY MOTOR LEVER B ASSY MOTOR CHASSIS ASSY SO following lists for their part numbers PFopuF COILS MMH mH UH uH SEMICONDUCTORS In each case U for example UPA 27 32 uPC WM D6C TC D6C WM D6C TC D6C Items marked amp supplied are not stocked since pacitors are omitted Refer to the following lists for their part numbers Items marked supplied are not stocked since pacitors are omitted Refer to the following lists for their part numbers they are s
31. listed below available in the countries where the set is used First connect adaptor to DC IN 6 V jack and then to a wall outlet Before connecting be sure to read the instruction manual for the adaptor ac power adaptor AC 66 456 input voltage of adaptor 220 V ac 50 Hz 110 220 V adjustable 50 Hz 240 V ac 50 Hz 120 V ac 60 Hz E 110 120 220 or 240 V ac adjustable 50 60 Hz 120 V ac 60 Hz location Canadian PARTS IDENTIFICATION Peak battery indicator and indication selector Tape counter and reset button DOLBY NR selector TAPE selector REC LEVEL recording level control RECORD button MIC ATT microphone attenuator switch MIC PLUG IN POWER jack stereo minijack HEADPHONES jack pause button gt gt fast forward CUE button 44 rewind REVIEW button gt PLAY playback button eject stop button HEADPHONE VOLUME control LINE IN jack LINE OUT jack SPEED TUNE selector and control DC IN 6 V jack eceoeoeeoeeceeocoooococeo FEATURES Quartz lock capstan servo system assures accurate and stable tape speed In addition to the conventional B type Dolby NR system the WM D6C or TC D6C employs the C type Dolby NR system which reduces tape noise twice as effectively as the B type system Speed control adjusts the tape speed accurately approx 4 in the playback mode DC DC converter boosts the lo
32. lt 8 2 6V B y NORM 1 5301 4 I 1021 BIAS METAL TIMING a menee a j pe 9309 CRYSTAL 05 PHASE COMPAR DIVIDER 0 XTOI 34 7 kHz WM D6C TC D6C 0801 805 LED DRIVE VOLTAGE Mm i 40 CONTROL 8 2 6 5 LEVEL IND a PEAK OFF gt J303 LINE OUT a ja O A i Al _ P IET 5304 HEADPHONE MUTING J HEADPHONES HEADPHONE S IC301 02 302 1 L HEADPHONE QI08 MUTING UNIT AUTO OFF Q701 702 5904 STOP MUTE 903 REC MUTE a WHILE STOP TEMPORARILY TURNS BUTTON 15 PUSHED ON IN RECORD MODE A eee amp e t 7 8 3110 8V APE SPEED ADJ 904 903 Rv603 M901 SWITCHING RV602 mt MOTOR DRIVE 0704 SPEED TUNE 060 NE DRIVE MOTOR OFF al s _ 560 T 6901 SPEED TUNE gt gt 5902 PLAYBACK TUNE FWD OR RECORD MODE PH70I 2 8 2 B I 6v 6v 1 I Y 5901 5901 POWER 843 J 0 8 CONVERTER 1 ON IN PLAYBACK FAST FORWARD L REWIND OR RECORD MODE CN30I x n DC IN 6V SWITCHING Q703 t BATTERY
33. ngle L CH R CH peak peak 3 After adjustment apply locking compound to the adjusted screw Adjustment Location PROFESSIONAL manis STEREO CASSETTE G adjustment screw Playback Level Adjustment Procedure Mode playback test tape P 4 L 300 315 Hz 0 dB VTVM k LINE OUT Specification LINE OUT level 0 25 0 26 V 10 to 9 6 dB Check that the LINE OUT level does not change in playback mode while changing the mode from playback to stop several times Adjustment Location main board WM D6C TC D6C WM D6C TC D6C Record Bias Adjustment Setting REC LEVEL control standard record LINE IN 10dB LINE OUT 9 8 dB Procedure l Mode record af osc blank tape CS 15 Ol b 6002 gt LINE 1 1kHz 2 25mV 3048 2 Mode playback recorded VTVM portion LINE OUT Confirm that the LINE OUT level of 10 kHz signal is 0 0 5 dB relative to that of 1 kHz 3 If it is not within 0 0 5 dB change the pattern connection and repeat the steps 1 and 2 Note When the conductive patterns are connected and VTVM does not read 0 50 5 dB disconnect the pattern 6 Repeat the steps 1 3 Adjustment Location main board O F268 250 Record Level Adjustment Setting TAPE switch changes over according Proced
34. other ones 1 Applying solder to land on one side Apply a thin layer of solder to the land on one side where the chip component is to be connected Too much solder may cause bridging Small quantity of solder 2 Speedy soldering Hold the chip component at the desired position using tweezers and apply the soldering iron in the arrow marked direction To protect the chip compo nent heating time should be within 3 seconds Soldering iron CM Land Printed circuit board 3 Speedy soldering of electrode on the other side Solder the electrode on the other side in the same way as in 2 above WM D6C TC D6C SECTION 1 BLOCK DIAGRAM RIPPLE FILTER B 3 10 8V 030 MIC 0101 102 LOW PASS FILTER PB EQ AMP QI04 106 RVIOI PB LEVEL ADJ LINE IN RV30I 1 u z REC LEVEL QI03 CPIO PB EQ SWITCHING 0107 IC201 R CH v PIN k paa PB OFF 5301 3 580 TES TES B TYPE t i DOLB EQ Aulos 1 5301 1 HE9O ERASE HEAD 1301 R CH IS OMITTED BIAS OSC Q307 BIAS SWITCHING Q306 BIAS SWITCHING Q305 REC LEVEL ADJ IC 302 009 REC EQ al MUTING 5803 SWITCHING REC OO INE 0308 d B 3 10 8V CP302 303 E EA 657
35. r operation of the unit may be degraded Wii gt M d ei WM D6C TC D6C SECTION 3 ADJUSTMENTS 3 1 MECHANICAL ADJUSTMENTS AND MEASUREMENTS Pinch Roller Pressure Measurement PRECAUTION Playback Mode Clean the following parts with a denatured alcohol moistened swab Ses FAY q UE siowly return the pinch roller record play back head pinch roller and read the spring scale just when erase head rubber belts the pinch roller starts rotating The capstan should capstan idlers first contacts here 2 Demagnetize the record playback and erase head with a head demagnetizer center capstan 3 Do not use a magnetized screwdriver for the pinch roller adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted O spring scale 5 The adjustments should be performed with the 200 280g rated power supply voltage unless otherwise 7 05 9 88 oz noted Flywheel Thrust Play Adjustment Playback Mode DC ammeter terminals of the battery holder 1 Turn the thrust screw counterclockwise until the screw tip leaves from the fly wheel shaft 5 Gradually turn the thrust screw clockwise to the position where the motor current suddenly Increases 3 Then turn the thrust screw counterclockwise about turn from the position obtained in step 2 Cassett
36. roller pinch release plate B pause lever WM D6C TC D6C WM D6C TC D6C Motor Pressure Measurement Playback Mode 1 The motor pulley s inner edge large side should not extend from the edge of the fly wheel s rubber ring fly wheel surface of rubber ring motor pulley 2 When the mode is changed from playback by slowly pressing the stop button the motor pulley and rubber surface of the flywheel should have clearance clearance N E more than 0 3 3 In playback mode put a spring scale vertically on the edge of the motor bracket as shown below push the spring scale down vertically until the motor pulley just detaches from the flywheel s rubber ring and read the spring scale at this instance spring scale position 80 120g 82 4 2302 spring scale position Torque Measure ment Torque Meter Meter Reading Back Tension 102 25 43 0 35 0 6 oz inch 1 5 3 5 0 02 0 05 FF REW CQ 201B Tape Tension Measurement Tension Me ter more than 75 g cm more than 1 04 oz inch Meter Reading CQ 403A more than 65g more than 2 29 oz MAN o STEREO CASSETTE CO Tape Path Adjustment 1 21 Insert a mirror cassette CQ 009C In playback mode and viewing from the front confirm tha
37. t there 15 tape curl and tape twist at portions shown by If there is tape curl and tape twist adjust the head heights by using the adjustment plate Specifically no tape curls should exist at the lower sides of the tape guides erase head REC PB head pinch roller 3 513 237 01 t 0 1 head height adjustment plate WM D6C TC D6C WM D6C TC D6C 3 2 ELECTRICAL ADJUSTMENTS Tape Speed Adjustment Note The adjustment should be performed in the order given in this service manual The adjustments should be performed for both L CH and R CH Note Perform this adjustment after the Record playback Head Azimuth Adjustment Procedure Set the switches according to the tape as Mode playback follows end of the test tape digital frequency test tape counter TAPE switch WS 48B us 3 kHz dB NORM CrO METAL d LINE OUT e Switches and controls should be set as follows unless otherwise specified l Set SPEED TUNE switch to OFF DOLBY NR switch OFF 2 Unsolder the solder bridge and open the TAPE switch NORM bridged patterns shown below MIC ATT 2 2 3 Turn RV601 so that frequency reading be PEAK BATT MM ET comes in 3 090 Hz 10 Hz SPEED TUNE switch OFF SPEED TUNE control center 4 Resolder the adjustment patterns opened in step 2 above Now frequency reading should be e Standard Record 3 000 Hz
38. ure as tape type l Mode record Blank tape ae 1 5 15 2 5 26 C 3 CS 40 attenuator oL To ooo MIC 315 Hz 77uV 80 dB 2 Mode playback recorded VTVM portion LINE OUT Insert a NORM tape CS 15 and put into play back mode adjust RV102 L CH and RV202 R CH to obtain the specified output level Next insart a tape CS 26 METAL tape CS 40 and put into playback mode confirm that the output level is specified value Specification TAPE switch Standard Output Level 24 26 5 mV cb 30 3 to 29 3 dB CS 40 METAL 31 3 to 28 3 dB Adjustment Location main board RV102 L CH RV202 R CH WM D6C TC D6C Note FOR MOUNTING DIAGRAM Color code of sleeving over the end of the jacket O parts extracted from the component side e parts extracted from the conductor side part mounted on the conductor side B pattern signal path signal path R CH signal path Note FOR SCHEMATIC DIAGRAM e Components for right channel have same values as for left channel Reference numbers are coded from 201 e capacitors are in uF unless otherwise noted pF 50WV or less are not indicated except for electrolytics and tantalums All resistors are in ohms 1 6 W unless otherwise noted 1000 2 MQ 1000 signal path
39. w voltage of DC 6V and maintains sufficient power Amorphous head for recording playback provides a wider dynamic range and a more extended fre quency response Tape selector for optimum recording with standard tapes as well as high performance tapes Microphone attenuator eliminates the distortion which may be caused by high level input signal MIC PLUG IN POWER jack can supply power to an ECM 102 electret condenser stereo microphone optional Four different power sources batteries house current rechargeable battery pack and 12 car battery 5 LED peak battery indicator shows both the peak level and the battery strength Stereo minijacks can be used for connecting to audio components WM D6C TC D Chip components Chip components include resistors capacitors transistors diodes coil and adjustable resistors In this section the types of resistors ceramic capacitors transistors and diodes which are used most frequently will be described Dimension of transistors and capacitors Unit mm y 3 2 16 pid 2125 20 125 0 35 0 5 Identification resistor layer side wide black color electrodes M narrow electrode ceramic base side white color Resistor Laminated Ceramic Capacitor 2 Collector Y 77 4 Pa 2 5 1 7 5 L 7 Emitter 7 2 3 2 3 1 2 3 1 Diode Transistor WM D6C
40. xample uPA UPC WM D6C TC D6C SECTION Description SPACER 1 CUSHION B t CUSHION A t n 5 5 PANEL SUB ASSY REEL ARM ASSY LID ASSY CASSETTE CABINET ASSY PANEL ASSY LOWER HOLDER ASSY BATTERY STICKER SONY SYMBOL 21 TC D6C LABEL MODEL NUMBER ACCESSORY amp PACKING MATERIAL Description TC D6C ADAPTOR AC 9W CORD CONNECTION RK 129 WM D6C SPACER TC D6C SPACER TC D6C INDIVIDUAL CARTON WM D6C INDIVIDUAL CARTON TC D6C CUSHION WM D6C CUSHION WM D6C COVER ACCESSORY BAND SHOULDER CASE CARRYING BAG POLYETHYLENE FOR SET BAG POLYETHYLENE FOR CONNECTION CORD BAG POLYETHYLENE FOR INSTRUCTION MANUAL AEP MANUAL INSTRUCTION US MANUAL INSTRUCTION Canadian AEP UK E MANUAL INSTRUCTION cie ds entr MANUAL INSTRUCTION US SAFETY INSTRUCTIONS HEADPHONE TC D6C ECM 939LT SET WM D6C MDR 40L SET WM D6C TC D6C MECHANISM SECTION Part No Description 301 1 548 516 41 TIMER TAPE 302 3 305 807 00 RING MOTOR LEVER 303 3 305 808 00 SPRING 304 3 305 810 00 SCREW THRUST ADJUSTMENT 305 3 305 812 00 LEVER C REC 306 3 305 815 00 LEVER MUTING 307 3 305 839 00 ROLLER SMALL 308 3 305 846 00 RETAINER THRUST 309 3 305 856 00 SPRING 310 3 305 857 00 RETAINER FG LEAD WIRE 311 3 305 858 00 CLAMP LEAD WIRE 312 3 305 863 00 HOLDER LEAD WIRE
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