WM-DD9 SM
Contents
1. 0303 za IDE icm d 2 uw qoum specified C117 Q303 R117 R116 C115 0401 E 68 40 100 6 0056p POWER XN1401 e indicates tolerance TA7T95FM 05 44 14 l SWITCH PB AMP F FL101 DOLBY C113 I LED DRIVE 45202 A L OUT R114 2k T 0 0 6 0056 B Line NM eue QD R302 C adjustment for repai ssp ey dy 208 adjustment for repair Bios croa 3 E RV501 d E M vas Total current is measured with no cassette installed 560k 560p 10k 7 10k 0403 E UNS115 18 On 2 4V e Power voltage is dc 1 5 V and fed with regurated dc power FWD R106 s SWIICH 8454 supply from external power voltage jack 1 8k Wem eee t 0 5 022 l 100k Voltages and waveforms dc with respect to ground 0 5 T playback mode REV NORM 0 1 5105 R109 C107 R110 Leu Ear 101 co NORM 0 MID 0 7 5704 no mark FWD R102 6 033 6 22 C304 6 0472 2k 510k 22 5 MID 0 MAX 0 7 HOLD 22k 390k sav NJM2065AM 33 ve REV 0 5 DOLBY NR AV UMS 0891 9047 J901 ro O 797171 MEGA BASS SWITCH 4 me Voltages are taken with a VOM 10 NORM 2 3 C316 2 891 C205 0 T 100k 33 4V Voltage variations may be noted due to normal production Eum E Be C tolerances j R717 FWD ot 330k 2 R202 amp ab C202 T R305 22. C305 C222 l e Signal path R206 83025 433 1 216 5 1 22k 470p Tak AV 9 35 PB R CH 0596 ee T N 1 404 Q718 REV R222 T gt 22 960 POL BY PLAY DIR LEVEL R204 R VA U K 0 59 201 SUB BOARD we H F 12 84075 D401 NORM 02 22 4N D METAL Ltd lt 8203 5501 S502 5503 5504 RA TEC 0590 R209 C207 R210 Ho th cai ima C201 CL 70SR j 06 330k 2k 510k 022 24k gt lt a302 35V NJM2065AM C OFF MAX MID NORM NORM METAL 2SA1362YG C311 R405 R406 1 303 DOLBY NR l RIPPLE FILTER 22 C318 680 680 Q718 t 01 rJ rJ rU C 22 UN5215 6301 C392 om A A AA A A A A AN 4V GND SWITCH wT c2o6tL 2 tL th tL gaia 54 J 0 22 FT 2 O _ ev 47 av T VT 4 Foe 855 EN EE gt O G eee E 20 5 4 2 4V 23 0304 2 4V a B 227 7 0702 SUB BOARD 124 l 002 1 2 8311 8309 IC 701 MUTE T82001FM E cud SYSTEM CONTROL FG901 asd FEM so 4 1 28624 4 2 Ee gt _ m B RE 13 13 B REY B REY R716 i 0703 1 5V R701 701 D703 Q804 Q605 606 0602603 100k i 47k 001 vcc 2 MA143 kn 13 G FG902 6 6 0 1 25 7980 2SD596DV4 13 D702 1 3 13 13 2 4V SWITCH FWD 210 i
3. SECTION 5 DIAGRAMS S 1 PRINTED WIRING BOARDS Note parts extracted from the component side parts extracted from the conductor side parts mounted on the conductor side Through hole B 3 407 3 SWITCH BOARD Pattern on the side which is seen Pattern of the rear side MAIN BOARD 2 F i A YS PY I L l Semiconductor Location Rat ini Tot tonis G 8 B 18 S701 REV FWD PL901 FWD PL902 REV lt gt 2 M REV 4 MG gt 4 FWD PL REV gt PLEWD Semiconductor Lead Layouts MM1046M MA729 NJL5161K B 1 ANODE 1 2 CATHODE 3 EMITTER 2B 4 COLLECTOR 2 XN4608 CL 70G Me am 4 5 6 CL 70SR 4 5 le 7 i8 tg KG croz NORM NORM MID OFF B E 2 5 reece REV EE be L cH REV Y Y y 32 3 E Y o Y FG901 FWD oo E R CH REV Y Y gy Yr ob ONG Y Y R CH FWD b J i L CH FWD l GND gt I 3 2 1 Ag J PLAYBACK HEAD 10 2 nk 45922 en ty an ne e aer Rode e cae een mods ERE E 52 e S m MR RO Praed E NEUE RO SCHEMATIC DIAGR
4. 1 4 1 4 8 pcs PLUNGER PL901 PL902 washer pulley N 3 5 X 1 0 cam gear washer pou lever No dud AE washer O pulley R s Q washer e5 reflector pulley D washer D lever R B spring i 901 Bgear 1 4 x 1 4 QM1 4 2 2 2 pcs Q washer 2 pcs reel cover M1 4 x 1 4 2 pcs M1 4 X 1 4 2 pcs 5 Note on Replacing Motor After replacing the motor M901 M902 the capstan wheel and the sieeve FG901 FG902 be sure to adjust the motor position and adjust for wow and flutter Installing the motor 1 Temporarily tighten the motor attachment screw 2 Tighten the screw while pressing down in the direction shown by the arrow y Note Attach M902 REV in the same way motor attachment screw 1 4 1 4 901 motor FWD Motor Position Adjustment 1 Loosen the thrust adjustment screws 2 the screw while pushing the motor lightly in the direction shown by arrow Make sure at this time that the thrust play is within 0 1 mm To check the play press and release the motor in the direction of arrow and make sure that the motor pulley and rotor rubber section do not contact with each other 3 After the adjustments apply suitable locking compound to the thrust adjustment screws thrust adjustment screw M901 motor FWD rotor Note Adjust in the same way on the M902 REV side W w
5. SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Refer to MDR E575 Service Manual issued previously for information of headphones supplied with this set Model Name Using Similar Mechanism Tape Transport Mechanism Type MT WMDD9 42 SPECIFICATIONS Wow and flutter 0 22 W Peak DIN Dimensions Approx 76 8 x 108 x 28 3 mm w h d 0 13 WRMS NAB 3 8 x 43 8 x 1 a inches S N ratio 48 dB not incl projecting parts and controls Total harmonic distortion 1 0 Approx 77 7 x 109 2 x 33 1 mm Frequency response DOLBY NR off 3 x 45 8 x 15 1 inches 20 20 000 Hz incl projecting parts and controls Output Earphones jack load impedance 8 300 ohms Weight Approx 330 g 12 02 incl rechargeable battery Power output 5 mW 5 mW at DC operation 16 ohms not incl other accessories Power requirements 1 5V DC Accessories supplied Carrying case 1 Battery charger 1 Rechargeable battery Rechargeable battery 1 One R6 size AA battery DC IN 1 5 V jack accepts Sony power adaptor not supplied Sony EBP 500B battery case not supplied for use with two R6 size AA batteries Sony DCC 70 car battery cord not supplied for use with 12 V car battery Stereo earphones open air type 1 Earphones case 1 Ear adaptor 2 Design and specifications subject to change without notice Note Use only the recommended AC power adaptor or car battery cord Battery life manufactured by Sony z B
6. 0 1MF 47 470 22MF 0 01 22 22 10MF 10MF 1096 1096 2096 1096 10 20 20 20 20 AN 16V 16V 50V 50V AN 4V 25V AN 4V 16V AN 4 16V 16V AV AN 4V 50V 50V 4 4 4V 50V 50V 25V 50V 6 3V 50V 25V 25V 25V 16V 25V 25V 25V 50V 50V 50V 25V 25V 25V 16V 4 2V 2V AV 25V 4 6 3V 6 3V Ref No Part No D401 D402 D601 D701 D702 D703 D704 D801 D802 D803 FG901 FG902 FL101 FL201 HP901 1 101 201 1C301 16302 16303 601 1C602 IC701 IC702 J301 J901 JR1 L801 L802 M901 M902 PH701 PL901 PL902 Q301 Q302 Q303 Q304 Q401 Q402 0403 0601 0602 0603 0604 0605 0606 0608 0609 0610 0611 0612 0701 0702 0703 0704 0705 0706 0707 0708 8 719 981 67 8 719 981 67 8 719 404 35 8 719 404 32 8 719 420 51 8 719 404 52 8 719 105 58 8 719 420 51 8 719 420 51 8 719 975 06 3324 406 1 3324 424 1 1 236 710 11 1 236 710 11 1 543 689 11 8 759 710 49 8 759 710 49 8 759 230 91 8 759 711 24 8 759 231 13 8 752 039 14 8 759 996 71 8 759 239 09 8 759 500 18 1 507 723 00 1 569 251 11 1 216 864 11 1 421 665 11 1 410 213 51 3133 395 3133 396 8 759 710 35 1 454 490 11 1 454 490 11 8 729 403 17 8 729 230 74 8 729 420 53 8 729 162 44 8 729 403 42 8 729 403 17 8 729 420 53 8 729 420 50 8 729 159 64 8
7. 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W WM DD9 Ref No Part No R307 1 216 791 11 R308 1 216 845 11 R309 1 216 851 11 R310 1 216 839 11 R311 1 216 833 11 401 1 216 994 11 R402 1 216 833 11 R403 1 216 845 11 R404 1 216 845 11 405 1 216 819 11 R406 1 216 819 11 R407 1 216 833 11 408 1 216 833 11 601 1 216 843 11 R602 1 216 993 11 603 1 216 843 11 R604 1 216 833 11 R605 1 216 833 11 R606 1 216 845 11 R607 1 216 847 11 608 1 216 827 11 609 1 216 845 11 R610 1 216 833 11 R611 1 216 833 11 R612 1 216 845 11 R613 1 216 845 11 R614 1 216 828 11 R615 1 216 828 11 R616 1 216 834 11 617 1 216 857 11 618 1 216 857 11 R619 1 216 833 11 R620 1 216 825 11 R621 1 216 809 11 R622 1 216 851 11 R623 1 216 817 11 R624 1 216 817 11 R625 1 216 851 11 R626 1 216 851 11 R627 1 216 851 11 R628 1 216 809 11 701 1 216 841 11 702 1 216 845 11 703 1 216 814 11 704 1 216 845 11 R705 1 216 800 11 706 1 216 845 11 707 1 216 800 11 708 1 216 845 11 709 1 216 845 11 R710 1 216 845 11 R71 1 216 821 11 712 1 216 851 11 R713 1 216 833 11 R714 1 216 851 11 R715 1 216 851 11 R716 1 216 845 11 R717 1 216 851 11 R718 1 216 845 11 R719 1 216 833 11 R720 1 216 833 11 R721 1 216 845 11 R722 1 216 845 11 R723 1 216 821 11 R724 1 216 845 11 9 955 580 11 Description METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLA
8. INCORRECT CORRECT Part No Description Part No Description 3 349 827 21 WASHER 329 p 315 3288 315 3288 314 ANS English 92H05101 1 Sony Corporation Printed in Japan 9 955 580 91 G neral Audio Group 1992 8 Published by Cust mer Relations and Service Gr up
9. 01 X 3324 403 1 3 357 149 01 3 357 117 01 3 349 859 11 3 357 142 01 3 328 438 01 3 357 238 01 3 357 150 01 3 357 151 01 4 908 282 01 X 3310 999 1 3 357 133 01 3 357 146 01 3 343 587 01 3 357 136 01 3 357 220 01 3 343 588 01 3 357 163 01 X 3324 412 1 3 357 104 01 3 331 047 01 301 913 A Description HOLDER ASSY SPRING PINCH LEVER ASSY LEVER N SPRING COLLAR WASHER LEVER R SPRING SPRING TENSION LEVER OPEN SWITCH GUIDE VOL KNOB VOL BEARING FLANGE NO BALL WHEEL ASSY CAPSTAN BELT LEVER THRUST LEVER SPRING SPRING HOLDER TENSION SHEET SPRING COVER REEL LEVER ASSY HEAD GUIDE TAPE SCREW M1 4X1 4 SPECIAL HEAD HP901 includingA 323 Ref No Part No 324 325 326 327 328 329 330 331 332 333 334 335 336 337 911 912 913 914 FG901 FG902 HP901 M901 M902 20 3 704 245 71 3 703 816 31 3 703 816 61 3 703 816 51 3 357 127 01 3 703 816 21 7 627 850 37 3 338 667 01 3 357 134 01 3 357 135 01 3 357 167 01 3 703 816 72 3 357 241 01 3 343 573 01 3015 833 1 633 394 11 1 634 250 11 1 633 391 11 3324 406 1 3324 424 1 1 543 689 11 3133 395 3133 396 329 Description SCREW P1 4X4 5 SCREW M1 4X1 6 SPECIAL HEAD SCREW M1 4X2 2 SPECIAL HEAD SCREW M1 4X3 5 SPECIAL HEAD SCREW THRUST SCREW M1 4X5 0 SPECIAL HEAD SCREW PRECISION P 1 4X1 4 SHEET ADHESIVE DOU
10. 162 964 11 1 164 004 11 1 136 153 00 1 135 201 11 1 136 175 00 1 162 970 11 1 162 970 11 1 163 989 11 1 135 091 00 1 162 970 11 1 162 970 11 1 164 004 11 1 162 943 11 1 162 943 11 1 162 947 11 1 163 809 11 1 162 970 11 1 164 004 11 1 135 091 00 1 135 151 21 1 126 991 11 1 126 991 11 1 135 202 21 1 162 970 11 1 135 202 21 1 135 202 21 1 135 157 21 1 135 157 21 8 719 420 51 Description TANTAL CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP FILM TANTAL CHIP FILM CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP ELECT ELECT TANTAL CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP TANTAL CHIP TANTAL CHIP DIODE MA729 6 8MF IMF IMF 0 0047MF 100PF 22MF 22MF 0 1MF 3 3MF 3 3MF 0 047MF 22MF 3 3MF 0 022MF 1MF 22MF 22MF 15MF 100PF 100PF 3 3MF 6 8MF 22MF 22MF 0 015MF 0 001 01 0 01MF 10MF 0 068MF 0 01MF 0 01MF 0 033MF 0 01MF 0 01 MF 0 1MF 15PF 15PF 33PF 0 047MF 0 01MF
11. 63 64 65 66 3 357 211 01 X 3324 415 1 3 357 177 01 3 357 200 01 3 357 195 01 X 3324 414 1 X 3324 420 1 X 3324 417 1 3 357 208 01 3 703 816 06 3 357 201 01 3 357 188 01 x 3 357 226 01 3 357 215 01 3 335 797 01 3 704 197 82 Description PLATE H P ORNAMENTAL HINGE ASSY KNOB MODE COVER DC JACK SPRING COMPRESSION LEVER ASSY MIDWAY LEVER B ASSY LOCK CASE ASSY BATTERY COVER SCREW 1 4 1 4 SPECIAL HEAD HOLDER TERMINAL BOARD TERMINAL BOARD C BATTERY CUSHION BATTERY SPACER PC BOARD SCREW ML4X2 TOOTHED LOCK SCREW 1 4 5 0 LOCKING Remarks Ref No Part No 67 68 69 70 71 72 73 74 75 76 903 904 905 J301 J901 19 3 704 197 12 3 704 245 22 3 357 178 01 3 357 187 01 3 357 224 01 3 357 229 01 9 911 845 XX 9 911 838 XX 3 831 441 11 3 553 567 00 1 633 393 11 3015 835 1 633 392 11 1 507 723 00 1 569 251 11 MT WMDD9 42 Description Remarks SCREW M1 4X2 0 LOCKING SCREW 1 4 2 2 GUIDE DC JACK TERMINAL BOARD B BATTERY COVER FULCRUM LEVER C LOCK CUSHION A CUSHION CUSHION B CUSHION PC BOARD HEADPHONES FLEXIBLE PC BOARD ASSY MAIN PC BOARD B FLEXIBLE JACK EXTENTION POWER DC IN 1 5V JACK HEADPHONES 3 MECHANISM SECTION 1 MT WMDDS 42 Ref No Part No 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 X 3324 408 1 3 357 103
12. 729 159 64 8 729 403 17 8 729 104 26 8 729 104 26 8 729 420 50 8 729 162 44 8 729 421 15 8 729 159 64 8 729 159 64 8 729 402 16 8 729 402 16 8 729 403 45 8 729 403 45 8 729 420 50 8 729 420 50 8 729 230 74 8 729 230 74 Description DIODE CL 70SR CD DIODE CL 70SR CD DIODE MA141WK DIODE MA141WA DIODE MA729 DIODE MA143 DIODE RD3 9M B2 DIODE MA729 DIODE MA729 DIODE CL 70G CD SLEEVE F ASSY SLEEVE FR ASSY ENCAPUSLATED COMPONENT FILTER SP SK ENCAPUSLATED COMPONENT FILTER SP SK HEAD MAGNETIC PLAYBACK IC NJM2065AM IC NJM2065AM IC TA7795FN IC NJM2106M IC TA8145FN IC CXA1423N IC MSM58141MSK IC TB2001FN IC MM 1046XMR JACK EXTENTION POWER DC IN 1 5V JACK HEADPHONES METAL GLAZE 0 5 1 16W COILP 20UH INDUCTOR CHIP 56UH MOTOR FWD BLOCK ASSY MOTOR REV BLOCK ASSY DIODE PHOTO NJL5161K B SOLENOID PLUNGER FWD SOLENOID PLUNGER REV TRANSISTOR 1215 TRANSISTOR 2SA1362 YG EL TRANSISTOR UN5115 TRANSISTOR 2SB624 BV4 TRANSISTOR XN1401 TRANSISTOR XN1215 TRANSISTOR UN5115 TRANSISTOR UN5215 TRANSISTOR 2SD596 TRANSISTOR 250596 TRANSISTOR 1215 TRANSISTOR 2SB804 AW TRANSISTOR 2SB804 AW TRANSISTOR UN5215 TRANSISTOR 2SB624 BV4 TRANSISTOR 2501119 0 TRANSISTOR 2SD596 TRANSISTOR 250596 TRANSISTOR XN4608 TRANSISTOR 4608 TRANSISTOR 1115 TRANSISTOR 1115 TRANSISTOR 5215 TRANSISTOR UN5215 TRANSISTOR 2SA1362 YG EL TRANSISTOR 2SA1362 YG EL
13. LEVER N ASSY P 915 1 633 659 11 PC BOARD PLUNGER FLEXBLE 367 3 341 752 11 WASHER POLYETHYLENE PL901 1 454 490 11 SOLENOID PLUNGER FWD 368 3 357 152 01 GEAR PL902 1 454 490 11 SOLENOID PLUNGER REV WM DD9 NOTE Due to standardization replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set ELECTRICAL PARTS LIST Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items 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 Ref No Part No 901 902 903 904 905 911 912 913 914 915 C101 C102 C103 C104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C123 C124 C201 C202 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C214 C215 C216 C217 C218 C219 1 633 189 11 A 3015 836 A 1 633 393 11 A 3015 835 A 1 633 392 11 A 3015 833 A 1 633 394 11 1 634 250 11 1 633 391 11 1 633 659 11 1 163 133 00 1 163 133 00 1 135 202 21 1 164 479 11 1 164 482 11 1 135 091 00 1 164 483 11 1 135 149 21 1 135 202 21 1 135 191 21 1 135 072 21 1 135 187 21 1 164 479 11 1 164 480 11 1 164 479 11 1
14. WM DD9 SECTION 3 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given CASSETTE LID SW BOARD cassette lid button cover SW board When attaching the main board put the battery case in an open position and attach with the P levers N R in a down state and make sure that the P lever N is linked with S702 and the P lever R is linked with S703 M1 4 x22 MAIN SUB BOARD M1 4 2 2 2 pcs sub board M1 4 2 gt M1 4 x 2 2 pes cassette cover 6M1 4 x 2 KS 2 pcs 2pcs w 4 M1 4 x 5 A BS 9 M 4x2 wA 57017 amp ae a N 7 AN ON 25 Q main board Se CE ox a de ZN P lever R 5 A I P lever Remove the lead wire reel ornament holder HOLDER M1 4 x 2 SS 9 2 Q spring 224 spring spring lever 1 527 4 X 1 4 spring lever LIN N 8 p 1 4 1 4 a Su Q spring 4 switch lever OPEN MOTOR M901 M902 SLEEVE FG901 FG902 M901 moter FWD Gthrustlever M1 4 5 M1 4 x 5 2 pcs 2 pos M1 4 1 4 2pcs M1 4 x e O a thrust lever capstan wheel VOL knob 519 VOL guide 55 FG902 sleeve FR 4 X 1 4 2 pcs capstan wheel FG901 lt 4 M902 sleeve F motor REV DM1 4 x 1 4 3 pcs
15. with the lever in the mechanical deck are also mounted on the main board If the main board is removed power supply for the playback circuit battery level check and initial reset will not be possible Use the following method to perform a check of the mechanical deck operation and the voltage in a state that is the same as when the main board is attached Be sure at this time to first turn the S505 OPEN switch on the sub board to the off state MAIN BOARD 5703 PH701 REV HEAD S701 SUB BOARD F702 FWD HEAD Initial reset 1 Turn S701 to the FWD side and supply power of 1 5 V 2 Turn on S703 momentarily The P lever R will go up and down until it is turned on 3 Turn on S702 momentarily The P lever N will go up and down until it is turned on This finishes initial reset The set is now in the standby state for key input To operate 1 Perform initial reset 2 Inputasquare wave from the AF oscillator 3 Operational mode 3 1 FWD mode while S702 is on 3 2 REV mode while 5703 is on S701 is the REV side 3 3 FF mode when the gt key is pressed 3 4 REW mode when the 44 key is pressed Return to standby state 4 1 To return from the FWD mode turn off S702 and turn 5702 on again for about 1 second 4 2 To return from REV mode turn off 5703 and turn S703 on again for about 1 second To return from the FF or REW mode press the key 4 4 3 AF oscillator
16. 1 16W 1 16W 1 16 1 16W A 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W Ref No Part No R725 R726 R727 R728 R729 R730 R731 R732 R801 R802 R803 R804 R805 R806 R807 RV101 RV201 RV501 RV601 S401 S402 S403 5404 5501 5502 5503 5504 5505 5701 5702 5703 5704 801 601 1 216 833 11 1 216 833 11 1 216 833 11 1 216 833 11 1 216 851 11 1 216 833 11 1 216 833 11 1 216 841 11 1 216 845 11 1 216 825 11 1 216 814 11 1 216 800 11 1 216 809 11 1 216 833 11 1 216 833 11 1 238 201 11 1 238 201 11 1 238 879 11 1 237 005 11 1 571 533 31 1 571 533 31 1 571 533 31 1 571 533 31 1 571 506 41 1 571 506 41 1 571 275 31 1 571 275 11 1 570 395 11 1 571 584 31 1 570 395 11 1 570 395 11 1 570 395 11 1 449 885 11 1 577 709 11 Description METAL GLAZE 10K 5 1 16W METAL GLAZE 10K 5 1 16W METAL GLAZE 10K 5 1 16W METAL GLAZE 10K 5 1 16W METAL GLAZE 330K 5 1 16W METAL GLAZE 10K 5 1 16W METAL GLAZE 10K 5 1 16W METAL GLAZE 47K 5 1 16W METAL GLAZE 100K 5 1 16W METAL GLAZE 22K 5 1 16W METAL GLAZE 270 5 1 16W METAL GLAZE 18 5 1 16W METAL GLAZE 100 5 1 16W METAL GLAZE 10K 5 1 16W METAL GLAZE 10K 5 1 16W RES ADJ METAL GLAZE 1K RES ADJ METAL GLAZE 1K RES VAR CARBON 10K 10K VOL RES ADJ METAL GLAZE 22K SWITCH KEY BOARD STOP SWITCH KEY BO
17. 163 121 00 1 135 170 21 1 135 170 21 1 162 963 11 1 135 170 21 1 135 091 00 1 135 091 00 1 162 968 11 1 162 953 11 1 163 133 00 1 163 133 00 1 135 202 21 1 164 479 11 1 164 482 11 1 135 208 11 1 164 483 11 1 135 187 21 1 135 202 21 1 135 191 21 1 135 072 21 1 135 187 21 1 164 479 11 1 164 480 11 1 164 479 11 1 163 121 00 1 135 170 21 1 135 170 21 1 162 963 11 Description PC BOARD SWITCH FLEXIBLE PC BOARD ASSY SW PC BOARD HEADPHONES FLEXIBLE PC BOARD ASSY MAIN PC BOARD B FLEXIBLE PC BOARD ASSY SUB PC BOARD MOTOR FLEXIBLE PC BOARD HEAD FLEXIBLE PC BOARD A FLEXIBLE PC BOARD PLUNGER FLEXBLE CERAMIC CHIP 470PF 1096 CERAMIC CHIP 470PF 10 TANTAL CHIP 22MF 2096 CERAMIC CHIP 0 0056MF 10 CERAMIC CHIP 0 033MF 10 TANTAL CHIP IMF 10 CERAMIC CHIP 0 047MF 10 TANTAL CHIP 2 2MF 1096 TANTAL CHIP 22MF 2096 TANTAL CHIP 0 22MF 1096 TANTAL CHIP 0 22MF 1096 TANTAL CHIP 2 2MF 1096 CERAMIC CHIP 0 0056MF 5 CERAMIC CHIP 0 01MF 5 CERAMIC CHIP 0 0056MF 5 CERAMIC CHIP 150PF 10 TANTAL CHIP 6 8MF 1096 TANTAL CHIP 6 8MF 1096 CERAMIC CHIP 680PF 1096 TANTAL CHIP 6 8MF 1096 TANTAL CHIP IMF 20 TANTAL CHIP 20 CERAMIC 0 0047MF 10 100 5 CERAMIC CHIP 470PF 10 CERAMIC CHIP 470PF 10 TANTAL CHIP 22MF 20 CERAMIC CHIP 0 0056 10 CERAMIC CHIP 0 033MF 10 TANTAL CHIP IMF 10 CERAMIC CHIP 0 047MF 10 TANTAL CHIP 2 2MF 10 TANTAL CHIP 22
18. AM S e page 17 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 T s uh u All capacitors are in pF unless otherwise noted pF MAIN BOARD D301 I1C302 IC303 SWITCH BOARD 50 WV or less are not indicated except for electrolytics bed NJM2106M 5120 TA8145FN 13 d and tantalums D301 301 240 Ss MEGA BASS AMP 68 T HEADPHONE AMP A 14 M v Soe e All resistors are in Q and 1 4 W or less unless otherwise
19. ARD FF SWITCH KEY BOARD REW SWITCH KEY BOARD PLAY DIR SWITCH SLIDE DOLBY NR SWITCH SLIDE DBB SWITCH SLIDE TAPE SWITCH SLIDE MODE SWITCH LEAF OPEN SWITCH SLIDE DIRECTION SWITCH LEAF FWD HEAD SWITCH LEAF REV HEAD SWITCH LEAF HOLD TRANSFORMER DC DC CONVERTER VIBRATOR CRYSTAL 24 957MHz ACCESSORIES amp PACKING MATERIALS k k k k k k k k k k k k k k k k k k k k k k 1 526 565 00 1 528 231 11 1 528 234 11 1 528 250 11 1 528 251 11 1 528 252 11 1 528 321 11 3 343 562 01 3 343 564 01 3 357 196 01 3 751 279 11 3 751 279 21 3 751 279 41 8 952 452 90 PLUG ADAPTOR BATTERY NICKEL CADMIUM NC 6WM E BATTERY CHARGER BC 7L BATTERY CHARGER 75 AEP BATTERY CHARGER 75 UK BATTERY CHARGER 75 US BATTERY CHARGER BC 7AU CUSHION INDIVIDUAL CARTON CASE CARRYING Canadian AEP UK E MANUAL INSTRUCTION US MANUAL INSTRUCTION AEP MANUAL INSTRUCTION HEADPHONE MDR E575 XG SET Refer to MDR E575 Service Manual issued previously for information of headphones supplied with this set Sony Corporation Audio Group 24 English 90B0592 1 Printed in Japan 1990 2 Published by Cust mer Relations and Service Group SONY SERVICE MANUAL I AEP Model UK Model E Model CORRECTION 1 Correct your service manual as shown below MF indicates corrected portion
20. BLE FACE SPRING TENSION SPRING TENSION HOLDER VOL SCREW M1 4X3 0 SPECIAL HEAD SCREW WASHER HEAD SCREW SPECIAL PRECISION PC BOARD ASSY SUB PC BOARD MOTOR FLEXIBLE PC BOARD HEAD FLEXIBLE PC BOARD A FLEXIBLE SLEEVE F ASSY SLEEVE FR ASSY HEAD MAGNETIC PLAYBACK MOTOR FWD BLOCK ASSY MOTOR REV BLOCK ASSY Remarks 327 332 333 327 332 333 WM DD9 4 MECHANISM SECTION 2 MT WMDD9 42 359 Ref No Part No Description Remarks Ref No Part No Description Remarks 351 3 331 047 01 SCREW 1 4 1 4 SPECIAL HEAD 369 X 3324 402 1 LEVER R ASSY P 352 3 357 114 01 SPRING 370 3 343 570 01 SPRING SW LEVER TENSION 353 3 357 118 01 SPRING N 371 3 357 156 01 LEVER SWITCH 354 3 357 119 01 SPRING R 372 X 3310 997 1 PULLEY REFLECTOR ASSY 355 3 357 145 01 LEVER R TRIGGER 373 3 343 584 01 GEAR C 356 3 338 645 31 WASHER 0 8X2 5 374 X 3310 995 1 PULLEY R ASSY 357 3 357 144 01 LEVER N TRIGGER 375 X 3310 993 1 LEVER ASSY REW 358 X 3324 405 1 LEVER ND ASSY P 376 X 3324 404 1 LEVER RD ASSY P 359 3 343 592 01 GEAR NR 377 3 331 007 21 WASHER 2 3X1 0 360 3 349 859 11 WASHER 378 3 357 160 01 STOPPER 361 X 3310 994 1 LEVER ASSY FF 379 3 357 111 01 GEAR B 362 3 349 850 01 WASHER 380 1 454 511 11 SOLENOID PLUNGER ASSY 351 353 357 363 3 321 394 41 WASHER COTTER POLYETHYLEVE 2 5X1 2 381 X 3324 428 1 CHASSIS ASSY 364 X 3310 996 1 PULLEY N ASSY 382 3 331 036 11 WASHER 365 X 3324 401 1
21. MF 2096 TANTAL CHIP 0 22MF 1096 TANTAL CHIP 0 22MF 1096 TANTAL CHIP 2 2MF 1096 CERAMIC CHIP 0 0056 5 CERAMIC CHIP 0 01MF 5 CERAMIC CHIP 0 0056MF 5 CERAMIC CHIP 150PF 10 TANTAL CHIP 6 8MF 1096 TANTAL CHIP 6 8MF 1096 CERAMIC CHIP 680PF 1096 SECTION 7 CAPACITORS MF uF PF uuF RESISTORS e All resistors in ohms e F nonflammable COILS e MMH mH UH uH SEMICONDUCTORS In each case U for example UA HA UPA UPC UPD 50V 50V AN 50V 16V 16V 16V 6 3V 20V 35V AN 50V 50V 50V 50V AN AN 50V AN 16V 16V 50V 50V 50V 50V 50V 16V 10V 16V 4 AN 20V 35V AN 50V 50V 50V 50V AN AN 50V MPA uPD Ref No Part No C220 C221 C222 C223 C224 C301 C302 C303 C304 C305 C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C316 C317 C318 C401 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C618 C701 C702 C703 C704 C801 C802 C803 C804 C805 C806 C807 C808 D301 199 1 135 170 21 1 135 091 00 1 135 091 00 1 162 968 11 1 162 953 11 1 135 202 21 1 135 202 21 1 164 004 11 1 135 180 21 1 135 180 21 1 164 483 11 1 135 202 21 1 135 180 21 1 164 481 11 1 135 091 00 1 135 202 21 1 135 202 21 1 135 158 21 1 162 953 11 1 162 953 11 1 135 180 21 1 135 170 21 1 135 202 21 1 135 157 21 1 163 023 00 1
22. PARATOR Hs n PHASE RIN A VREF FIN B RIN B TC F R NJM2106M 1C302 IN HPIN OUT A A A LPF DET MUTE VREF VCC POWER SWITCH WGTF WGTOUT IN HPIN QUT B m B HPF BOOST SECTION 6 EXPLODED VIEWS NOTE e The mechanical parts with no reference Due to standardization parts with part number in the exploded views are not number suffix XX and X may be dif supplied ferent from the parts specified in the The construction parts of an assembled components used on the set part are indicated with a collation num e Color Indication of Appearance Parts ber in the remark column Example Items marked are not stocked since RED KNOB BALANCE WHITE they are seldom required for routine t t service Some delay should be antici Cabinet s Color Parts Color pated when ordering these items 1 CABINET Ref No Part No Description Remarks Ref No Part No Description Remarks 1 3 357 207 01 COVER CASSETTE 7 3 704 197 32 SCREW 1 4 3 0 2 3324 416 1 BUTTON 55 8 3 357 174 01 PLATE JACK ORNAMENTAL 3 3324 418 1 LID ASSY CASSETTE 9 X 3324 421 1 PLATE OPEN ASSY ORNAMENTAL 4 3 357 212 01 ORNAMENT REEL 10 3 357 216 01 COVER BUTTON 5 X 3324 427 1 CASE ASSY 901 1 633 189 11 PC BOARD SWITCH FLEXIBLE 6 3 704 197 12 SCREW M1 4X2 0 LOCKING 902 A 3015 836 A PC BOARD ASSY SW 2 CHASSIS Ref No Part No 51 52 53 54 55 56 57 58 59 60 61 62
23. Ref No Q709 Q710 Q711 Q712 Q713 Q714 Q715 0716 0717 0718 0801 0802 0803 0804 0805 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R301 R302 R304 R305 R306 Part No 8 729 420 53 8 729 420 53 8 729 420 53 8 729 403 45 8 729 421 23 8 729 420 53 8 729 159 64 8 729 420 53 8 729 162 44 8 729 420 50 8 729 162 44 8 729 117 31 8 729 400 56 8 729 420 53 8 729 162 44 1 216 683 11 1 216 683 11 1 216 693 11 1 216 683 11 1 216 115 00 1 216 657 11 1 216 659 11 1 216 845 11 1 216 851 11 1 218 271 11 1 218 273 11 1 216 993 11 1 218 272 11 1 218 271 11 1 218 270 11 1 216 845 11 1 216 839 11 1 216 841 11 1 216 837 11 1 216 791 11 1 216 821 11 1 216 821 11 1 216 683 11 1 216 683 11 1 216 693 11 1 216 683 11 1 216 115 00 1 216 657 11 1 216 659 11 1 216 845 11 1 216 851 11 1 218 271 11 1 218 273 11 1 216 993 11 1 218 272 11 1 218 271 11 1 218 270 11 1 216 845 11 1 216 839 11 1 216 841 11 1 216 837 11 1 216 791 11 1 216 821 11 1 216 821 11 1 216 809 11 1 216 846 11 1 216 851 11 1 216 851 11 1 216 829 11 Description TRANSISTOR UN5115 TRANSISTOR UN5115 TRANSISTOR UN5115 TRANSISTOR 1115 TRANSISTOR XN1216 TRANSISTOR UN5115 TRANSIS
24. TOR 2SD596 TRANSISTOR UN5115 TRANSISTOR 2SB624 BV4 TRANSISTOR 1 5215 TRANSISTOR 2SB624 BV4 TRANSISTOR 25 4177 15 TRANSISTOR 2501328 TRANSISTOR UN5115 TRANSISTOR 2SB624 BV4 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL GLAZE METAL CHIP METAL CHIP METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL GLAZE METAL CHIP METAL CHIP METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE 22K 22K 56K 22K 560K 1 8K 2 2K 100K 330K 2K 510K 2 4K 5 1K 2K 1 1K 100K 33K 47 22 3 3 22 22 56K 22K 560K 1 8 2 2K 100K 330K 2K 510K 2 4K 5 1K 2K 1 1K 100K 33K 47K 22K 33 100 120 330 330 47 0 50 0 50 0 50 0 5096 5 0 50 0 5096 5 WM DD9 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W
25. ZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE METAL GLAZE 33 100K 330K 33K 10K 13K 10K 100K 100K 680 680 10K 10K 68K 2 4K 68K 10K 10K 100K 150K 3 3K 100K 10K 10K 100K 100K 3 9K 3 9K 12K 1M IM 10K 2 2K 100 330K 470 470 330K 330K 330K 100 47K 100K 270 100K 18 100K 18 100K 100K 100K 330 10 330 330 100 330K 100K 10K 10K 100K 100K 100 a 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W
26. and Flutt r Adjustment Setting Power supply voltage 13 Tape Use area near end of tape VOL knob Mechanical center TAPE switch NORM DOLBY NR switch OFF MEGA BASS switch NORM Procedure Mode playback test tape he dB wow flutter meter headphone terminal Turn the adjustment screw until the reading on the wow flutter meter is 0 12 W RMS or less minimum value Confirm that normal PLAY operation is possible at a power supply voltage of 1 0 V If the conditions in steps 1 and 2 are not satisfied re adjust starting with installing the motor M901 motor FWD wow amp flutter adjustment screw Note Adjust in the same way on the M902 REV side SECTION 4 ADJUSTMENTS 4 1 MECHANICAL ADJUSTMENT PRECAUTION 1 Clean the following parts with a denatured alcohol moistened swab playback head pinch roller rubber belts capstan idler 2 Demagnetize the playback head with a head demagnetizer Do not use a magnetized screwdriver for the adjustments 4 After the adjustments apply suitable locking compound to the parts adjusted 5 The adjustments should be performed with the rated power supply voltage 1 3V unless otherwise noted w Torqu M asurement F R f 1 to 3 5 g cm EV Meter Reading 20 to 40 g cm 0 28 to 0 55 oz inch 0 014 to 0 048 oz inch mw Tape Pulling Force Measurement Tension Meter Meter Reading more than 50 g m
27. attery Playback Polarity of the plugs of other manufacturers may be different meos Rechargeable NC 6WM fully Approx 2 5 hours charged Sony battery SUM 3 NS Sony alkaline battery AM3 N Approx 1 hour Approx 5 5 hours For maximum performance we recommend the use ol alkaline batteries Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation STEREO CASSETTE PLAYER SONY WM DD9 SECTION 1 GENERAL Parts Identification 1 DC IN 1 5 V external power input jack 2 REV FWD battery tape transport direction indicator 3 B STOP button 4 4 fast winding button 5 HOLD OPEN FOR TAPE BATT battery switch Slide to HOLD to avoid an accidental operation To open the cassette holder slide to OPEN FOR TAPE BATT To open the battery compartment lid slide again to OPEN FOR TAPE BATT s Cassette holder 1 gt gt fast winding button 4 gt PLAY DIR play tape transport direction change button s DOLBY NR Dolby noise reduction C B OFF selector MEGA BASS MAX MID NORM selector tt TAPE NORM CrO2 METAL selector 12 Hole for attaching the carrying case 3 VOL volume control Q earphones jack stereo minijack 5 Battery compartment lid MODE tape transport mode selector Two motor Disc Drive mechanism an
28. d Quartz lock capstan servo assure accurate and stable tape transport greatly reducing wow and flutter One motor is provided for the forward direction and another for the reverse direction Since the rotation of motors is controlled by the accurate frequency of the quartz servo distortion of the sound caused by the unit being moved is slight Drive system of normal Drive system of WM DD9 auto reverse Walkman Flat motor Crystal oscillator Servo signal 5 e 52 FG Motor for the signal Motor for the forward directio reverse direction Capstan for the Capstan for the Capstan for the Capstan for the forward direction reverse direction forward direction reverse direction Notes on chip component replacement Flexible Circuit Board Repairing Never reuse a disconnected chip component Keep the temperature of the soldering iron around Notice that the minus side of a tantalum capacitor may 270 C during repairing be damaged by heat Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering WM DD9 SECTION 2 SERVICING NOTES This set detects reel rotation by the PH701 photo interrupter Since the PH701 is mounted on the main board if the main board is removed the reel rotation cannot be detected and normal operation is not possible In addition the S702 FWD HEAD switch and S703 REV HEAD switch which operate in tandem
29. ore than 50 cm more than 0 70 oz inch more than 1 77 oz 4 2 ELECTRICAL ADJUSTMENTS PRECAUTION 1 Powersupply voltage 1 3V 2 Switch position TAPE switch NORM DOLBY NR switch OFF MEGA BASS switch NORM e Test tape Typ Signa Userfor P 4 L300 315 Hz 0 dB DOLBY NR lever Adjustment WS 48A 3 kHz 0 dB Tape Speed Adjustment Tape Speed Adjustment Procedure frequency counter 1 Open the PLL terminal and set into FF mode At this time adjust RV601 so that the frequency counter reading is 793 3Hz Also check the REW mode 2 Short the PLL terminal and confirm that the frequency counter reading is 769 1Hz in the FF mode test tape WS 48A 3kHz OdB frequency counter headphone terminal 3 Play back WS 48A tape center potion and confirm that the frequency counter reading is 3 000 9Hz for both FWD and REV Adjustment Location sub board Adjustment Parts Location Diagram DOLBY R OUT DOLBY NR level Adjustment DOLBY NR switch OFF VOL knob minimum MEGA BASS switch NORM TAPE B switch NORM Procedure 1 Mode playback test tape P 4 L300 315Hz 0dB VTVM DOLBY OUT Sc P 2 Adjust RV101 L CH and RV201 R CH so that the VTVM reading is 30 5 03 dB Adjustment Locatin main board MAIN BOARD SUB BOARD RV601 PLL FG GND REV FG OUT REV RV201 R CH RV101 L CH 8
30. s MOTOR SERVO rm EXE er 19 1 5 0709 710 711 s oc 0 Fe TOA th 45 a704 L2 2 09 UN5115 R805 CONVERTER L801 REW 170mA 0 Y MOTOR CONTROL 100 BEN pom SSS 20uH 0 i VOD o 00 9 6 19 47 ARR 2 4V dx 3 2 Q801 DRY BATTERY 45V EEN 220 mee ig 288024 M BATTE l L C807 DC DC IEC DESIGNATION R6 RV601 C605 XL m C604 22 0 1 3 0716 23 RD3 9M B2 10 10 CONVERTER 1PCS 1 5V 22k 1074V TT 001 1 C603 asv v 63v 6 3V TN 0801 802 SWITCH Te 5V 06 d 0 w D I MAT29 13 R603 13 B 1 5 1 3 0717 R712 SWITCH R718 D704 jp 6 68k Reo 602 5 100k L gt 2 Q606 LED FwpD g9 13 H Q608 0609 Q717 L M901 IC60 26 D601 ie UNS215 25 624 4 258624 R714 12 LED REV 18 i FWD 5 58141 5 R620 R619 R618 07 2 di 330k REVERSE SWITCH Tk 13 97935 WI V S 4 G 5802 D802 0 7 SES AM 0 0609 al RESET HEAD Jy mage pi lt SEN 0611 612 em 0805 77 44 2 2k og 12 N d 12 ag 2SD596DV4 18 lt Q701 4 FWD 16 258624 i 0 6 0 01 9 i REVERSE SWITCH bg 1115 M REV 13 SWITCH R803 804 M902 Eu B gt MUTE STOP RESET 703 RAN CL 70G 8035 zz C80 2134 E 100 REV V S ON 23 0 801 a603 0714 HEAD SWITCH 13 23 100k UN5115 U P 0805 4 4 N 12 0 ROTATION e e R611 R628 0 DET 24
31. v D803 10k 00 R732 R713 R725 0712 R726 R706 a707 R804 Q714 10k 10k 100k raD 2 10k 23 15 Orie 18 07 3 fa 4 v0 6 d 0611 13 0 19 BOTATION PM FWD 254155 Jl 52 X601 R612 100k 100k 470 2 1 13 EJ E R705 Debe 10k PL901 24 597Hz 4 4 OW WW Q610 18 CONVERTER Q803 FWD 1 25011190 SWITCH 2501328 DH MOTOR GND 0 1 2 o BE R806 VOLTAGE L 5 L On SWITCH t R730 00 0 0 PM REV 13 Gris lt R727 10k CONTROL 470 0 13 i a604 o 4 0 R624 3 4 EEUU GA GA 13 0 a 0 TO P 12 x Q802 PLoog V Goes Sor e C 702 PH701 E 9 E I ES 2564177 31 REV 9634 a ost 516 85215 I Tea esl 1 22 0 N Fa 7 0 MM 1046XMR i eros ROTANON R714 7 5806 caos LL VOLTAGE 4m p T 33 MOTOR STOP 1 46v 380k R627 R626 Elis os BATTERY LEVEL 20 11 TATI Ok 721 22 aN CONTROL 2V L SWITCH 330 1 16V CHECK a 0712 0713 0707 708 0701 L XN1115 XN1501 2SB624 MA141WA J PLAMGER CONTROL t Q604 s XN1215 FG SWITCH 4 1 13 14 15 16 IC BLOCK DIAGRAMS NJM2065AM 1 101 201 TA8145FN 1C303 TA7795FN 1C301 CXA1423N 601 NFB A OUT A DRV A GND DRV B OUT B NFB B M N DC AMP DC AMP i FWD REV LED METAL NORMAL CONTROLLER POWER IN ON OFF 57 O O o 1COM
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