Sanyo MCH-900F Service Manual Download Page 81

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Summary of Contents for MCH-900F

Page 1: ...nductor laser Pick up wave length 790 nm Laset output Continuous wave max 0 6 mW Specifications subject to change without notice RADIO SECTION Tuning ranges Antennas GENERAL Output power Speaker Terminal impedance Power Source Memory back up CD Dimensions Weight 4 FILE NO M 900F AU PRODUCT CODE No 142 963 02 FM 88 108 MHZ AM 525 1 710 kHz Built in ferrite bar and telescopic rod antennas 4 0 W x 2 ...

Page 2: ...INAL LEVELS 63 CD CHANGER BLOCK FLOWCHART 65 CLASS 1 LASER PROOU LUOKAN 1 LASERLAIT KLASS 1 LASERAPPAR CAUTION INVISIBLE LASER RAOIATION WHEN OPEN AND INTERLOCKS OEFEATEO AvOIO EXPOSURE TO BEAM AOVARSEL USYNLIG LAiEtiTRALING VEO A8NING NAR SIKKERHEOSAF8RYDERE ER UOE AF FUNKTION UNOGk UDS ZTTELSE FOR STR LING VARNING 0SYNLN3 LASER STR LNIN G NAR OENNA DEL AR OPPNAO OCH SPARR AR URKOPPLAO STRALEN AR...

Page 3: ...4246 5271 for replacement Arrange the lead wires so that they are not near the heat sink Remove any discs that are loaded in the CD changer Before disassembling the unit set the POWER switch to the OFF positio and wait 10 seconds while the CD changer mechanism enters standby stat Then unplug the unit and begin the disassembly procedure 2 CABINET 1 Remove the battery lid 2 Remove the 8 rear cabinet...

Page 4: ...MOVAL AND INSTALLATION j SYSTEM CONTROL P C BOARD S AMF CD P C BOARD Pull connectors straight out so that the pins do not bend J AMPICD 0 4 e MOUNTING POINTER f 0 POINT ADJUSTMENT 1 I I MC grease EM 50L 3 ...

Page 5: ...NISM 7 7 p p g m PRINT SIDE The CD changer mechanism and CD mechanism move forward and back and to the left and right Arranq the lead wires as shown in the diagram VIEW A FIXER I MOTOR 1 f C B FIXER lr r Positiom the flexible P C board connected to the CEI changer connector P C board so that it is not loose 4 ...

Page 6: ...own position 3 Pull out the disc tray 1 b REMOVING THE DISC CASE romtheuppo n CAM GEAR CD MECHANISM 1 p k T p UUWN Follow steps through in that order to remove the disc case c PULLING OUT THE DfSC TRAY 1 Move the CD mechanism to the down position 2 Rllove the loading plate forward 3 Pull out the disc tray Q I M GEAR CD MECHANISM T UP DOWN 5 ...

Page 7: ...nnect VTVM to to Test Loop speaker terminals 6 lRepeat adjustments 455 kHz I Low I XF213 517k Hz Low end L2104 1750 kHz High end VCT 4 600 kHz 600 kHz L2103 1400 kHz 1400 kHz VCT 3 VTVM Oscilloscope 4 Max Max I b FM ADJUSTMENT BAND SELECT SWITCH FM FM Dummy antenna 75 ohm unbalance r Adjusting Connections Step Circuit SG Frequency Position of tuning dial Adjustment Input output Connect sweep Conne...

Page 8: ...ton After completion of the adjustment use thread lock TB 1401 B to secure the azimuth adjustment screw MOTOR REPLACEMENT AND SPEED ADJUSTMENT MOTOR REPLACEMENT MOTOR SPEED ADJUSTMENT 1 Insert the test tape MTT lllN etc 3000 Hz 2 Press the PLAY button 3 Use a flat tip screwdriver to turn the SVR located inside the rear of the motor to adjust SVR so that the frequency counter becomes 3 000 Hz c CHE...

Page 9: ...in the figure so that the new pick up will not be susceptible to the effects of static Set the pattern to Open after the pick up has been replaced SHORT OPEN NOTE In order to prevent damage by static electricity during shipment the indicated patterns on the pick up P C Board are short circuited by solder After the pick up replacement remove the solder that is short circuiting the patterns b REPLAC...

Page 10: ...esistor Carbon 2 2 K ohm l 4W e PARTS LOCATION 1 S1606g OPEN ICLOSE In I f Adjustment Measuring Service Input output Adjustment Item instrument Mode connection connection location Adjustment value a Tracking Oscilloscope YES TP 131 TE SVR12 Waveform symmetry balance L P F TP132 VC A B 1 5 Vp p b Checking Check be sure that the eye J1479 RF _ the eye Oscilloscope pattern is at the center of the TP ...

Page 11: ...132 VC IN Set the test disc TP132 PLAY switch push ON Vc Adjust SVR12 so that the oscilloscope s waveform is b Checking the eye pattern 1 Switch ON the POWER 2 Connect an oscilloscope to J1 479 RF and TPI 32 VC 3 Load the test disc 4 PLAY switch push ON 5 Check to be sure that the eye pattern is at the center of waveform and that the diamond shape is clearly defined 6 Press the STOP button 7 Switc...

Page 12: ...D AND LCD WIRING CHECK FWD CD BLOCK ADJUSTMENT MODE OPEN I CLOSE CD BLOCK OPERATION DISP Y MODE To cancel the KEY WIRING After pressing service mode press the POWER button to switch OFF the power supply CHECK the OPENfCLOSE and RANDOM buttons at the same time press the PLAYIPAUSE button within one second The LEDs light and the LCD segments are displayed _ _ _ I DISC TRACK l I ml HI 1 1 1 I II 1 I_...

Page 13: ...DISC BACK I TRACK Ill 2 1 I_ 2 3 1 1 3 141 II I 41 4 Press the POWER button to switch OFF the power supply and cancel the service mode b LED AND LCD WIRING CHECK 1 J 2 3 After pressing the OPEN CLOSE and RANDOM buttons at the same time press the PLAYIPAUSE button within one second Press the STOP button All the LEDs light and all the LCD segments are displayed t 11 PAUSE RANDOM INTRO CONTINUE REPEA...

Page 14: ...nds indication area In addition the CD operation indication is frozen from that point forward Press the STOP button when the unit is in the stop mode o unfreeze the indication button NUMBER SECOND 1 DISC i 1 I 1 TRACK 1 I_ I 1 1 1 n I I I I L J CD ERROR CONDITION INDICATIONS 1 I NUMBER CD ERROR CONDITION o No error 1 Focus failure during focus search 2 No subcode received at disc startup 3 Can t r...

Page 15: ...p on position This puts the turntable into chucking status When the OPEN CLOSE button is pressed the cam gear 391 turns counterclockwise putting the turntable into the down position CD mechanism down 2 When the plunger 395 operates it turns the worm gear 3661 using the gear 408 as a junction This causes the disc case to move up or down r 3 The rear of the disc case is equipped with slits the protr...

Page 16: ...e turntable hooks a and b separate from the CD and retract into the loading plate The CD is now FREE on top of the loading table Next the loading plate moves further and by pressing on the Ioadimg table 431 moves the loading table lock lever 430 This causes it to link with the loading table and advance toward the OPEN position DISC LOADING 434 PLATE I CMsc I LOADING PLATE 434 n Refer to the EXPLOD...

Page 17: ...and pushing the loading table 431 with your hand the OPEN CLOSE switch moves to the OFF position the loading motor reverses and the loading table begins to move performing the following operations 1 It lowers the disc stopper 424 2 When the disc sensors 345 450 are triggered the turntable starts up after operation 3 and the TOC is read 3 The loading table guide 355 disengages the loading table loc...

Page 18: ...ght of the P c board r must be adiusted mTiF E wi i Should not be loose L _xxYA 1 v v LCD CHANGER CONNECTOR _ L 434 PHOTO SENSOR DISC SENSOR P C B LOADING PLATE LOWER 345 LOADING PLATE SENSOR P C B 304 h o 2mm or more LOADING PLATE II SENSOR I C B 304 O lmm or more u F No 304 345 450 315 P C BOARD NAME I DESCRIPTION LOADING PIATE SENSOR P C B DISC SENSOR P C B LOWER DISC SENSOR P C B UPPER DISC CA...

Page 19: ...ER OFF PLUNGER ON CD MECHANISM UPIDOWN CAM GEAR 391 c GEAR 408 DOWN GEAR 408 UP CQNTnOL 1 LEVER 407 R than0 2mm j ti pLuNGER zAR f 63 408 MOTOR GEAR DISC CASE CD MECHANISM o uP DOWN MOTOR 414 o MOUNTING THE STOPPER AND ARRANGING THE LEAD WIRES Confirm that the hook on the stopper 353 is not bent I DISC SENSOR f CB LOWER 345 OPEN CLOSE SWITCH 339 Arrange the fead wires so that they do not stick out...

Page 20: ...CD position Press the DISC 1 button The disc case lowers into position for the first disc Adjust the P C board height adjustment screw so that the distance between the disc case and the chassis is 46 0 t 0 3 mm Next press the DISC 6 button Once again press the DISC 1 button Set the POWER switch to the OFF position and wait about 15 seconds Set the POWER switch to the ON position Confirm that the d...

Page 21: ...r more ti DISC 1 lij iij ji 11 f Place the magnet so that the side with the coloring applied is on top MOUNTING THE DISC SUPPORT LEVER 307 0 1 D 302 Hook on the spring coil 306 from the top end 4 PUSH l n Apply BOND 1616 to the places indicated in the diagram 1616 GUIDE PLATE o 305 GUIDE OT PER m q R 1 1 0 e 54 1 IH 9 1 FD 3 c r 306 p s k DISC p 307 ldF 0 1 mm or more LC3ADINGPj TE 7616 Apply SANC...

Page 22: ...re proper changer operation 4 a WORM GEAR 366 DISC CASE GUIDE SHAFT Apply FLOIL G 425A to the center portion about 10 mm of the worm gear 366 WORM GEAR 366 7 FLOIL I G 425A 10mm 1 I Apply SANCOL CFD 703 to the disc case guide shaft Also apply SANCOL CFD 703 to the gap between the disc case and the disc case guide shaft I 1 JY DISC CASE 363 21 ...

Page 23: ... cam gear 391 vIEW A I I 4 4 I l 1 Apply FLOIL G 425A to the area indicated by the Dnotoappjyjg reaieitottheh lever 407 to prevent the plunger from malfunctioning I c MOUNTING THE LOADING GEAR 3 dLuL FLOIL FLOIL G 425A G 425A FLOIL G 425A Alignment mark FLOIL G 425A GEAR E 373 mark GEAR D 371 Apf ty FLOIL G 425A There should be four gear to the five shafts teeth between the two alignment marks 22 ...

Page 24: ...F 409 10 the places indicated in the diagram taking care not to confuse the two m am m r Y J 1 T ulo o FLOIL G 42 5A d P 1 Y SANCOL CFD 409 B I L o 1 FLOIL G 425A LOADING TABLE 431 LOADING PLATE 434 B w Om Tom k 10 20 mm FLOIL G L25A 10mm FLOIL G 425A VIEW A COVER PLATE OA 25 5 COVER PLATE B 427 LOADING PLATE 434 C L 1 jp jE 3c SANCOL CFD 409 QNCOL 23 ...

Page 25: ... turntable touching the loading table l l TURN TABLE 2 When placing the CD on the loading table make sure the CD is centered If there is any tilt or the like check the movement of the floating springs 379 380 of the CD mechanism and make sure the rubber cushions 381 are mounted in the specified orientation 1 Check the gap here Confirm that the rubber cushions are mounted in the correct orientation...

Page 26: ... ON an 81331 9CA SCA bEA EEA ZCA IEA SZA tZA FZA ZZA IZA 90A SOA VOA COA ZOA IOA ON an 9NIXI 011 AU311V8 WWkXSZ NO IHSn3 WSINVt133W 03 M39SflLl NOIHSn3 U3LNIOd 0NV8 3017S 90NX UOLIlVdW3 ININlll MV3El tiV39 HOl IJVdV3 3NINnl WWC 0X8 SX9 Z M1 lnO M3HSWM HV39 MOl13VdV3 9NINnL WW91X9 Z 13 S 3 X3H 11OE 9NINnl AUVIOU 80NY N3Nnl 9NIlNnOW HV39 133d M3Nnl 9NIlNf10W U30NVd XSSVS NOllflE NO I13Nn4 3011S 80NX...

Page 27: ...45A K TR 2SC945A K TR 2SC945A K TR 2SA733 P Ref No Q4951 Q4952 Q4953 Q4954 Q4955 Q4956 Q4957 Q4958 04959 Q4960 RiO l R1032 R4749 R4849 R4952 R4953 S1618 S4902 S4903 S4907 SVR12 T4901 TP131 VR491 VR492 X1451 RECOR r Ref No 73 CN404 or CN407 S4Q01 SYSTEN Ref No 74 8RISI CN153 or D1501 or D1502 or D1503 01504 01507 01581 01651 01652 01653 01654 01655 D1656 01657 01658 D1659 IC151 1C153 Part No 405 02...

Page 28: ...I w 0 1 J u I 11 L n i ...

Page 29: ...UTTON LEvER RECGRO BUTTON BOSS PAUSE STOPPER SPRING CO IL PAUSE LEVER LEVER PAUSE SPRING WI RE PAUSE CONTROL SLIOE PUSH BUTTON ACTUATOR LEVER EJECT KICK SLIOE SWITCH ACTUATOR BOSS PR STOPPER SPRING CO L MAGNET ARM Ref No 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 D MEC Ref No 1 2 3 4 5 6 7 8 9 10 1o 1 10 2 10 3 10 4 11 N S P or N S P S P 32 Part No I Descrioti I 614 06...

Page 30: ...i F 3 305 C 3of3 y 306 ...

Page 31: ...PECIAL SCREW REIN FORCEMENT HOLOER OISC CASE GEAR wORM GEAR OISC CASE UP OOWN SPECIAL sCREW 2X4MM GE AR LOAOING GEAR O GEAR LoAOING GEAR C GEAR LOAOING GEAR E GEAR LOAOING GEAR B SPECIAL SCREW 2X3 5MM ASSY BRACKET M LOAOING MOTOR ASSY OPEN CLOSE LOAOING MOTOR OPEN CLOSE LOAOING GEAR LOAOING GEAR A SPECIAL SC REW 2X4MM SPRING COMP CO MECHANISM FLOATING SPRING A SPRING COMP CO MECHANISM FLOATING SPR...

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Page 39: ... DISC CASE RESET f SO02 UN LOADING SVSTEM CONTROL F C B CN153 CNOO1 I DIP 1 Y i c s 81 L 1AD4BIOB79600 pcoo t if ho3f cNoo2 ti 4 IF 000 0 00000 o o oooo J LOADING PLATE CNO03 SENSOR P C B d LOADING MOTOR M SO03 OPENL OPEN CLOSE CLOSE DISC SENSOR f C B LOWER m PCO03 ICNO02 kPLUNGER L21 DISC CASE CD MECHANISM UPI DOWN MOTOR M 2 OwNSO04 UP DOWN DISC SENSOR P C B RO03 UPPER HI SENSOR PCO02 52 CD CHANG...

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Page 41: ...u D A D C El C3 II IC153 El Em CIlg ml 1 ...

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Page 43: ... emphasK ON OFF 01 DAC H at ON L at OFF 64 WFCK o Not used E 1 I Stays H for playback disc provided w th I 24 MON o ONIOFF control signal for spindle motor I 8rc1 tuPn Crs XUC1 C1OP 65 lzErl Outputs delecbon for non sound dam H at delechon for non sound data L ch I I l T18fACC iru OEUODULATOR 1 I 1 II 25 MOP o Sewo control signal fors mdle motor 26 MOS o Not used 27 LOCK o Not used t 66 IZk o Outp...

Page 44: ...NMOWdn NO11CJ313CINOlllSOd WSINVH33W CKl CINV C9C 3SV3 3SICI q H 1 H N3d0 Ul LZ lS 31 dOIS 3s01 N3d0 3LPJVN 1 VNIIPJM31 ON Nld 1 I 1 I I 1 NOl13313a NOILISOd lCti 319V1 ONl 01 AVH1 OSICI I CJ3S17 10N _ 1 2 3X I c LndNl A3Y I n n n I 3N l l ON I LIW17 H311MS WSINVH23W Z i 440N0 20H2 H311MS WSINVH33W 3S013 I N3d0 H311 4 S WSINVH33W 3W ZE a37 0 0093s ZL lf3dNl A3Y O A3Y Ls a37 0 LO 33S lL a3sn 10N 0 ...

Page 45: ... INPUT DETECTION HOLE H IC151 24 etc L f DISC PRESENT ABSENT DETECTION BY DISC SENSOR P C BOARDS 345 450 PIN No PCO02 PCO03 DISC DISC PS INPUT PRESENT H IC151 22 ABSENT L g POSITION DETECTION BY LOADING PLATE SENSOR P C BOARD 304 LOADING PLATE 434 PIN No PCO04 POSITION ARA PS INPUT DETECTION HOLE POSITION H IC151 23 etc L h CD MECHANISM POSITION DETECTION BY DISC SENSOR P C BOARD 450 SO05 PIN hlo ...

Page 46: ...ITION CHECK DISC CASE 363 CORRECT POSITION CORRECT CLJ 1 DISC CASE 363 POSITION ADJUSTMENT L DISC REMAINING CHECK LOAD IN DISC CASE I I CD MECHANISM UP I t STILL ON TABLE I DISC STILL ON LOADING TABLE I 5 K I ERROR PROCESSING I DISC CASE POSITION CHANGE I 1 CD MECHANISM UP END 65 ...

Page 47: ... I DETECTED BY PHOTO SENSOR I OFF I I PLUNGER 395 OFF I END J I DISC REMAINING CHECK 1 1 NJ UP DOWN SW 393 ON t Y UP I DOWN MOTOR 414 OFF I v LOADING MOTOR 377 1 1 LOADING ON I I 1 SENSOR P C B 304 I I LOADING W CHECK I PROGRESS LOADING POSITION I LOADING MOTOR 377 I I OFF I UP DOWN MOTOR 414 I CD MECHANISM UP I I UP I DOWN MOTOR 414 OFF I 1 DISC SENSOR P C B 450 I I S005 ON I I 1 1 DETECTED BY DI...

Page 48: ... SENSOR P C B 315 PCOO1 I I I LOADING MOTOR 377 ON I t SENSOR P C B 304 I L SETTING IN I CHECK I PROGRESS SETTING POSITION UP i DOWN MOTOR 414 OFF I 1 1 i I PLUNGER 395 OFF 1 I LOADING MOTOR 377 OFF I f DISC ERROR PROCESSING n owl I ERROR PROCESSING J I CD MECHANISM UP I I UP DOWN MOTOR 414 OFF I ERROR INDICATION ON 1 JfY I UP DOWN MOTOR 414 OFF I r N OPEN CLOSE SW 339 ON I END I I sA wio I Jun 94...

Page 49: ...E PRINCIPAL PARTS OF THE CD CHANGER MECHANISM 16 EXPLODED VIEW CABINET CHASSIS 24 PARTS LIST 26 EXPLODED MECHANISM 30 PARTS LIST MECHANISM 31 PRODUCT CODE NO 142 962 02 IC BLOCK DIAGRAM SCHEMATIC DIAGRAM TUNER WIWNG DIAGRAM TUNER SCHEMATIC DIAGRAM SCHEMATIC DIAGRAM SYSTEM CONTROL WIWNG DIAGRAM SYSTEM CONTROL WIFUNGDIAGRAM AMP SCHEMATIC DIAGRAM AMP SCHEMATIC DIAGRAM CD CHANGER WIRING DIAGRAM CD CHA...

Page 50: ...on 16 bits linear ch 8 x D size batteries Pick up light source Semi conductor laser Memory back up CD DC 6V AA x 4 Pick up wave length 790 nm Dimensions 600 W x 280 H x 280 D mm Weight Approx 7 6 kg without batteries Specifications subject to change without notice LASER BEAM SAFETY PRECAUTIONS Pick up that emits a laser beam is used in this CD player CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFO...

Page 51: ...ent Arrange the lead wires so that they are not near the heat sink Remove any discs that are loaded in the CD changer Before disassembling the unit set the POWER switch to the OFF position and wait 10 seconds while the CD chanqer mechanism enters standby status Then unplug the unit and beqin the disassembly procedure SPEAKER BOX mm CABINET 1 Remove the battery lid 2 Remove the 6 rear cabinet mount...

Page 52: ...i REMOVAL AND INSTALLATION A e SYSTEM CONTROL P C BCIARD AMP CD P C BOARD Pull connectors straight out so that the pins do not bend f MOUNTING POINTER MC grease EM SOL I 9 l POINT ADJUSTMENT 3 ...

Page 53: ...HANISM The CD changer mechanism and CD mechanism move forward and back and to the left and right Arrange the lead wires as shown in the diagtam 7 T URN MO1ORI5W LEAD c LEAD WIRES m _Lp B2 _ j VIEW FIXER FIXEjl ri i Position the flexible P C board connected to the CD changer connector P C board so that it is not loose c 1 4 ...

Page 54: ...position to he down position 3 Pull outthe disc tray CAM GEAR CD MECHANISM r i b REMOVING THE DISC CASE Follow steps through in that order to remove the disc case T up DOWN q PULLING OUT THE DISC TRAY t 2 3 Move the CD mechanism to the down posiiion lvlove the loading plate forward Pull out the disc tray la I IXM GEAR CD MECHANISM I i UP DOWN 5 ...

Page 55: ...3 to L2103 TP202 G 4 I t Connect AM SG Connect VTVM to 517kHz Low end L2104 to Test Loop speaker terminals Max 1750k Hz High end VCT 4 Connect AM SG Connect VTVM to 600 kHz 600 kHz L2103 Max to Test Loop speaker terminals i 1400 kHz 1400 kHz VCT 3 j Repeat adjustments b FM ADJUSTMENT BAND SELECT SWITCH FM FM Dummy antenna 75 ohm unbalance f Adjusting Connections Step SG Frequency position of tunin...

Page 56: ...imized Press the the STOP button Arler completion of the adjustment use thread lock TB 1401 B to secure the azimuth adjustment screw 3 MOTOR REPLACEMENT AND SPEED ADJUSTMENT y MOTOR REPLACEMENT MOTOR SPEED ADJ b MOTOR SPEED ADJUSTMENT 1 Insert the test tape MIT ill N etc 3000 Hz 2 Press the PLAY button 3 Use a flat tip screwdriver to turn the SVR located inside the rear of the motor to adjust SVR ...

Page 57: ...in the figure so that the new pick up will not be susceptible to Ihe effects of static FLOI Set the pattern to Open after the pick up has been G 425A I replaced P a 7 w FLOIL I 1 G 425A I SHORT OPEN NOTE In order to prevent damage by static electricity during shipment the indicated patterns on the pick up P C Board are short circuited by solder After the pick up replacement remove the solder that ...

Page 58: ...r L P F 5 Resistor Carbon 2 2 K ohm 1 4kV e PARTS LOCATION n Adjustment Measuring Service Input output Adjustment Item instrument IWode connection Adjustment value connection location a Tracking Oscilloscope s TP 131 TE SVR12 Waveform symmetry balance L P F TP132 VC A B 1 5 Vp P b Checking Check be sure that the eye J1479 RF _ the eye Oscilloscope pa lern is at Ihe center of he TP132 VC pattern wa...

Page 59: ... 6 Set the test disc PLAY switch push ON Adjust SVRI 2 so that the oscilloscope s waveform is symmetrical as shown in the illustration Switch OFF the POWER b 1 2 3 4 5 6 7 Checking the eye pattern Switch ON the POWER Connect an oscilloscope to J1 479 RF and TP132 VC Load the test disc PLAY switch push ON Check 10 be sure that the eye pattern is at the center waveform and that the diamond shape is ...

Page 60: ...re displayed Disc TRACK 1 m I II I_l 1I_ 1 I I 1 If _ l ALL 1 RANDOM INTRO REPEAT L J 3 Pressing a key toggles the corresponding LED or LCD display indication on and off Pressing the key when the indication is off turns it on and pressing the key when the indication is on turns it off I KEY INPUT I DISPLAY I REPEAT REPEAT MEMORY I PROG I PLAY I PAUSE b RANDOM RANDOM I INTRO I INTRO I OPEN CLOSE I ...

Page 61: ...is selected the LCD numeric display indicates the current CD operation 3 If a CD error occurs a number is displayed in the seconds indication area In addition the CD operation indication is frozen from hat point forward 4 Press the STOP bui on when the unit is in the stop mode to unfreeze the indication CD ERROR CONDITION INDICATIONS 1 NUMBER CD ERROR CONDITION o No error 1 Focus failure during fo...

Page 62: ...using the up down switch 393 to move to the up on position This puts the turntable into chucking status 1 2 3 UPI When the OPEfWCLOSE button is pressed the cam gear 391 turns counterclockwise putting the turntable into the down position CD mechanism down When the plunger 395 operates it turns the worm gear 366 using the gear 408 as a junction This causes the disc case to move up or down The rear o...

Page 63: ...he turntable hooks a and b separate from the CD and retract into the loading plate The CD is now FREE on top of the loading table Next the loading plate moves further and by pressing on the loading table 431 moves the loading table lock lever 430 This causes it to link with the loading table and advance toward the OPEN position DISC LOADING PLATE 434 DISC CLOSED n LOADING PLATE 434 4M LOADING TABL...

Page 64: ...with your hand the OPEN CLOSE switch moves to the OFF position the loading motor reverses and the loading table begins to move performing Ihe following operations 1 It lowers the disc stopper 424 2 When the disc sensors 345 450 are triggered the turntable starts up after operation 3 and the TOC is read 3 The loading table guide 355 disengages the loading table lock lever 430 This undoes the link b...

Page 65: ...5_E hou dbepara e to chard 1 1 ijij The height of the P C board I must be adjusted No 304 345 450 ER CONNECTOR 434 PHOTO SENSOR DISC LOADING PLATE f fI rLOADING PLATE 2mm or more SENSOR I C B 304 315 nnm Should not be loos II O lmm or more u P C BOARD NAME DESCRIPTION LOADING PLATE SEN50R P C B Detects the loading status by monitoring the movement of the loading plate 434 DISC SENSOR P C B LOWER T...

Page 66: ...407 confirm that it has no grease on it PLUNGER OFF PLUNGER ON CD MECHANISM UP I DOWN CAM GEAR 391 l GEAR 408 N GEAR 408 DOWN UP c MOUNTING THE STOPPER AND ARRANGING THE 1 LE wn II 1essthan02mm UNGER 395 GEAR 408 Cf MECHANISM TOR 414 u LEAD WIRES Arrange the lead wires so that they do not stick out from the chassis This will prevent them from getting caught when the disc tray opens and closes d OP...

Page 67: ... the ON position and the FUNCTION switch to the CD position Press the DISC 1 button The disc case lowers into position for the first disc Adjust the P C board height adjustment screw so that the distance between the disc case and the chassis is 46 0 0 3 mm Next press the DISC 6 button Once again press the DISC 1 button Se the POWER switch to the OFF position and wail about 15 seconds Set the POWER...

Page 68: ... 449 1 I 0 5 mm or more Q 45 DISC sl o Place the mawret so that the side Wilh L the coloring applied is on top MOUNTING THE DISC SUPPORT LEVER 307 fo 4 Hook on the spring coil 306 from the top end 4 fl PUSH m Apply BOND 1616 to the n places indicated in the diagram 1616 IJ PLATE o o GUIDE 2 PER y Mq T B 0 e 1616 1 CFD 409 1 SANCOO p DN c DISC RF Apply SANCOL CDF 409 to the places indicaled in the ...

Page 69: ...esignated areas to ensure proper changer operation d WORM GEAR 366 DISC CASE GUIDE SHAFT Apply SANCOL C FD 703 to the disc case guide shaft AISO apply SANCOL CFD 703 to the gap between the disc case and the disc case guide shaft Apply FLOIL G 425A to the center portion about 10 mm of the worm gear 366 WORM GEAR 366 20 ...

Page 70: ...W A H 41 411 Q3 403 I lJuu I 408 Appiy FLOIL G 425A to the area indicated by the 394 I Yzedl Do not apply grease to the I j7q 1 i lever 407 to prevent the I plunger from malfunctioning 1 1 4 A C MOUNTfNG THE LOADING GEAR 371 4 H OIL G 425A 371 FL IL FL61L G 425A G 425A Alignment mark GEAR E 373 mark GEAR D 371 Apply FL XL G 425A There should be four gear to the We shafts teeth between the two alig...

Page 71: ...IL G 425A and SANCOL CDF 409 to the places indicated in the diagram taking care not to confuse the two FRONT B m w BACK t II I I Y T 10 20mm FLOI G 425A FLOIL G 425A VIEW A a ICOVER PLATE A f25 1 7 SANCOL o A FLOIL G 425A n 1 FLOIL G 425A LOADING TABLE 431 LOADING PLATE 434 I b I 10mm 10mm 10mm FLOIL G 425A LOADING PLATE 434 d ...

Page 72: ...the turntable touching the loading table TURN TABLE When placing the CD on the loading table make sure the CD is centered If there is any tilt or the like check the movement of the floating springs 379 380 of the CD mechanism and make sure the rubber cushions 381 are mounted in the specified orientation LOADING TABLE DISC I r l k Check the gap here RUBBER HOLDER 385 Confirm that the rubber cushion...

Page 73: ...EXPLODED VIEW CABINET CHASSIS d 0 FY 0 i o l P 24 ...

Page 74: ...EXPLODED VIEW CABINET CHASSIS 52 AR 4 25 ...

Page 75: ...Y CABINET CENTER UNITE ASSY LID CASSETTE PANEL TOP CASSETTE DECK GEAR ASSY LID CASSETTE SPRING WIRE LID CASSETTE KNOB LEVER C MECHA PAUSE KNOB LEVER C MECHA STOP KNOB LEVER C MECHA FFWD KNOB LEVER C MECHA REW KNOB LEVER C MECHA PLAY KNOB LEVER C MECHA REC POINTER HOLDER LEO EQ LEO GEAR TUNING KNOB ROTARY TUNING KNOB SLIDE BAND GEAR TUNING V C MOUNTING EQUALIZER PCB LUG CD MECHA DEC WINDOW CHANGER ...

Page 76: ...ef No 04952 Q4954 04955 or D4956 or D4957 or D4958 or HS401 HS402 IC131 IC140 IC141 IC144 ol IC401 IC403 ICP1l ICP12 ICP41 L1503 L4701 L4801 L4905 Q1301 or on Q1302 or 401 Q1451 or Ov Q1452 453 or Q1454 or Q1781 0 r Q1782 or Q1881 or Q1882 or Q4702 Q4703 Q4741 Q4802 Q4803 Q4841 Q4904 Q4905 Q4906 4942 Q4951 Q4952 Q4953 Q4954 Q4955 Q4956 Part No X407 053 2508 407 053 8708 407 007 9904 407 012 4406 4...

Page 77: ...1B 09 AB T1 LED SLZ 9B1B 09 AB T1 ZENER DIODE MTZ6 2A PHOTO DIODE SPS 424 1 IC TMP87CH21F 2024 IC S 87050CF VP IC BA6286N IC BA6286N FILTER FILTER LCD TR 2SA1037K R Ref No 502 f506 507 508 510 541 li542 or Q1543 651 i652 653 654 i655 656 657 658 or R1508 R1513 R1514 R1515 S1601 or S1602 or S1603 or S1604 or S1605 or S1606 or S1607 or S1608 S1609 S161O S1611 S1612 S1613 S1614 or S1615 or S1616 or S...

Page 78: ...MAIN PWBASSY Ref No Part No 79 614 258 5160 CN411 614 035 5994 04931 407 007 9904 or 407 012 4406 D4932 408 019 4703 D4933 408 019 9401 D4934 408 021 1905 IC402 409 052 9809 Q4721 405 020 7204 Q4722 405 020 7204 Q4821 405 020 7204 Q4822 405 020 7204 S4904 614 220 5471 614 220 5556 905 614 220 5471 or 614 220 5556 REMOTE CONTROL ASSY Description ASSY PWB TU MAIN NP ELECT lU Q 50V NP ELECT lU Q 50V ...

Page 79: ...202 614 204 6740 412 012 7005 614 210 9946 614 205 6373 412 031 6508 614 205 5328 412 031 940C 614 249 9832 614 212 9142 614 205 536 614 152 126 155 f j 154 B D MEC Ref No 4NISM TN 230 Part No 412 049 3603 BELT MAIN BELT SPECIAL SCREW MOTOR COLLER Description PECIAL WASHER SCREW BRACKET M MOTOR BRACKET SPECIAL SCREW BRACKET MOTOR SCREW ASSY MOTOR WITH PULLEY MOTOR PULL EY MOTOR SPRING WIRE BuTTON ...

Page 80: ...o m o E w h 334 331 J J 4 332 3 b 9 309 310 Y 305 308 306 307 R 9 311 4 314 1 I 312 316 Wq 313 315 Q a 3 7 318 o 7 319 Y 320 I w w ...

Page 81: ...CIAL SCREW 2X4MM SPRING TENSION LOCK LEVER LEVER LOCK SPECIAL SCREW 2X3MM GUI OE R3 SPECIAL SC REW 2X4MM SPECIAL WASHER 2 6X4 5X0 5 BRACKET M WORM GEAR OISC CASE Ref No 338 339 340 341 342 343 344 345 N S P 346 347 348 349 350 351 362 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 371 372 373 374 375 376 377 N S P N S P 378 379 380 Part No 412 049 4909 614 259 2021 412 049 4206 614 25...

Page 82: ...WLW dWW13 v6Z0 65Z b19 bSb A317ild M311H3 13N9VW LIEO 6qZ b19 Cst 13 X3VH8 M3dWV13 W 13XlVH9 SS01 69Z b19 ZGb 8 3 t101VA313 NMOO dll Ww 39 SOg T 6SZ I9 66 2 U3dd11 ti3dWV13 dWV13 00C0 612Z t19 lSb 99 801 VA373 NMOO df1 MV39 66b I 6SZ 19 86E f9 HOlVA313 NMOO dl1 HV39 89i 1 6SZ I9 L6Z Coou WW8XZ M3M3S 7V133dS Co zo 0s0 Zlb 96s M9 L Vr 0 s N08HV2 90 S1 LZO IOb II ION310S 7IO3 2I13N9VW ASSV S891 19Z 1...

Page 83: ... L b S9 12 L 11 S 9 Oz z 1 S1 61 0 LO 81 5 s 09 i SE 59 91 8 E 65 51 Ot 01 V1 01 o 1 El L c 09 ZI Lt 01 0 0 6 LV S 9 8 L v S 9 1 L LI S 9 9 Ot o s Z t LS b Z L S E o 0 z L O o 1 Wd w ON A 02 1 oLzl b 2 012s l lolzs Ix wow 0 0 I a 1 1 lllL4x A I m m I I m m I ...

Page 84: ...I 4 J I I 1 6 1 l l I 1 1 1 1 1 1 m I ...

Page 85: ...EM CONTROL _ _ z I LCD1 1 I I I I 1 I I I II II I I I I liz5YEi_l CN153 I I I I I II II 1 A L 1 I I 1 1 T I I I i 1 11 1 1 f I I 6V Brm GND I Blow 9 m P cm D lN A tiJTf FUK CD FwC TA I A IC155 BA6286N I A IC154 BA6286N 42 43 ...

Page 86: ...i a i f T i I Y c n 1 m z ...

Page 87: ... J3 1956 3 2 rl i _ q o m v U I 6 4 0 2 TO CD CHANGER CONNECTOR P W B CNOO1 ii ...

Page 88: ...ii I I 2 I 1 k7 J n A k r pm m 7 g n I u I I I _ J oD o g o D 1 Xiw swc I I 1 II 1 ...

Page 89: ... r I 1 L5 J v E 2 L w t t E t 171 I 1 3 ...

Page 90: ... t ul I u q W I 5 I I I I i 1 I L 1 1 I I L L 1 1 I I I I 1 l I I I ...

Page 91: ...a c1 m u 41 o Z N3 L01VA313 3y0 x O ___ l 1 I I I I 1 1 1 J ilI1 H Lo132 __ b Y a _ L _ 1 crn c __ lw 11 1 1 _ _ __ S H J ____j 7 J I u Ill IN iI ON 41 3 10flM H w _ _ 8 d W31J3NN3 U3r3NVH3 0 __ _ ______ I ...

Page 92: ...SL 3 I mdu peLraAu J a p dwe A I j j I I ZCIHd I 9S II mdw Deua w uou ml d ue oom I AT I 1 lndu a due IOIWOD mhiod O nv OdV I I I a a I Indp l101Vlf193 39 V11OA dA 430SOL8 S ES131 i I nd n 8 mdu a ic e6a a i dwe snmj W3 L Indino amp smod I o I 034 I 9 33 4 I JI lNl Lno ZN ZN paldnog awm xdex md no m j ldwe 6 wums 4H eqI KI u d Cdu I 14H Oc I 1 mdu pasm w cou oiejedmoz HHIW Amxanba i MO o ues snaoj...

Page 93: ...rol signal for spindle motor E 56 57 58 59 60 61 62 E 63 64 65 I 27 LOCK o Not used l16Li 28 TEST I GND 29 FILO o I Output of falterfor master PLL Slave O al 67 PLL 68 30 FILI rnpuls to filter for master PLL 69 31 Pco o Outputs of charge pump for master PLL 70 32 VOD Power supply for d g4aL 5V 71 33 AV l Power supply Ior analog 72 34 CLTV I VCO control voltage np t for master PLL 73 35 AVDD1 Power...

Page 94: ...ii ii m 2 5 e s I 1s71 CLM R1 ASYI XPCK FILO PIL CLTV Id 1 xl XTAO 1 ZEROL ZEROK I 1 I I 1 I Q I m l o z 1 m o r 7 1 ...

Page 95: ... DISC CASE ELEVATOR SENSOR P C B 315 POSITION DETECTION 1 S001 DISC CASE RESET SWITCH DISC CASE RESET PIN No DISC CASE POSITION SWITCH S001 POSITION DH LIM INPUT LIMIT L 3 4V IC151 34 etc H 5 Or 2 7V 2 SO02 UN LOADING SWITCH UN LOADING SWITCH LOADING PL4TE POSITION PIN No S002 POSITION AM LIM INPUT LIMIT L IC151 25 etc H 3 Pcool PHOTO SENSOR DISC CASE PHOTO PIN No DISC CASE POSITION SENSOR PCOO1 P...

Page 96: ...39Nnld I 1 t I NO N OILVX3NI i10bw3 I I H3 NOlllSOd 9NlaVOl I t 9NlSSI10Hd MOMM3 Y03H3 NOlllSOd 3NlaVOl 3SVCI ZX31a q 9NlSS330Hd HOW3 3SICI R k F I aN3 I I aN3 I r 2E zl 4 31SV1 9Nlavol Lqs I NMoa 440 Pi NO1OW NMOCT f dfl NMOO 10N t NMO13 L NO E6E MS NMOO dn N f 1 NO 6E A M Nmoa dn I __ J_ _N I dn 3SV xla ttv olaw NMoa dn I I N moa kw51NvH33w a DID doLow NMoa dn I I NMOO WSINVH 3W Cl til P BO1OW N...

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