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Service Manual

1. 1 77 16 Wiring Connection Diagram een 88 17 Troubleshooting Flowchart CD Section Circuit 89 18 Type Illustrations of ICs Transistors Diodes 91 19 Terminal Function of IC s men 92 19 1 701 AN22004A NF Servo Amplifier 92 19 2 702 MN6627931BD TP Servo processor Digital signal processor Digital filter D A converter Fe Ee seen uA SA 1 92 19 3 703 BA5948FPE2 Focus coil Tracking coil Traverse motor Spindle motor driver en 93 19 4 IC302 C2CBJF000007 System Microprocessor 93 20 Parts Location and Replacement Parts List 95 20 1 Deck Mechanism RAA4402 S 77 96 20 2 CD Loading Mechanism 98 20 3 Cabinet MM 103 SA PM28E SA PM28EB SA PM28EG 20 4 Electrical Parts 106 20 6 Packagng FF 116 20 5 Packing Materials amp Accessories Parts List 115 SA PM28E SA PM28EB SA PM28EG 1 Before Repair and Adjustment Disconnect AC power discharge Power Supply Capacitors C311 C313 C314 C506 C507 C508 C584 C587 C588 and C708 through a 10 Q 5 W resistor to ground DO SHORT CIRCUIT DIRECTLY with a screw driver blade for instance as this may destroy solid state devices After rep
2. Q506 KTA1046 CURRENT CONTROL ro 18 AC TRANSFORMER CIRCUIT CN506 ON SCHEMATIC DIAGRAM 15 D540 RLIN4003S P 508 1 25V3300 0539 RL1N4003S P H503 0509 W503 0509 9502 CURRENT LIMITTING KTA1046 STABILIZER 0525 BOAACK000004 Q508 KTC3199GRTA VOLTAGE REGULATOR 7 6521 D520 33 0 9 600002 74 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 15 B SIGNAL LINE B SIGNAL LINE K TRANSFORMER CIRCUIT um ja RL1N40038 P lt D585 IRL1N40003S P RL1N40003S P 0577 2SC3940ARA REGULATOR 2 e 5 gt 2 Y 8 PANEL CIRCUIT H606 W606 ON SCHEMATIC DIAGRAM 10 KRC102MTA SWITCH 7501 G4C6AEZ00001 oe 4 ecc by H503 W503 ON EB 230 240V FORMATO ELDER ENS DIAGRAM 14 e BY 0602 EVEJICF2S24B d KRC119STA JOG VOLUME 4 LED DRIVER D601 602 LNJ801TPSJA R616 R615 1 2K 1K Ow 5 8 TO Cr SCHEMATIC DIAGRAM 9 Q600 601 KRC119STA LED DRIVE R625 R624 R613 H604 6 8K 4 7K 2 7K W604 75 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 16 LOADING CIRCUIT SIGNAL LINE IC11 COGAG0000007 UP DOWN MOTOR DRIVE 9 S 3 5 7 FT 16 10 1 O O B3NAA0000068 9 SENSOR TO MAIN CIRCUIT CN305 ON SCHMEATIC DIAGRAM 8
3. 0 47 sov m 227 scuvwasamv jscumaasanev sa iv 229 1500559 scaicamioors 10 17 _ jscovamaragzs 0 47 sov asa scovameragzs ass sonaomano s 100 6 3v casa scaicarioors io zov scwvimioammv 0 1259 m e237 scwimioammv o i 2v cass ssoor sov 239 scuvimeezrmv esoop sov 240 ecuvasioaxsy o i 25v nd kai oa 25v aas scvimioamv o i sov m aas scuvimioamsv o i sov m scwvimtoammv o i sov scrvcunsis sop sov soo mczivsimiozr 1000 sov esor scwvimboamsv o i sov 7 scxivmimiosk 0 01 zsv esos scovimzirmv so sov B sos resiverom 100r sov sos sov t e307 iow sov esos iow sov esos poor sov 310 sczivmimiosr 0 01 2sv sii 0219 112 si 51 sov css ioo e sv csi scammroiors i sov 15 ior sov sie jmcaumananase 2 2 sov m
4. 59 RSCXO071 muner PACK SHIELD 60 RWJ1103070XX 3P WIRE REMOTE SENSOR 105 SA PM28E SA PM28EB SA PM28EG 20 4 Electrical Parts List Ref Part Part Name amp Description P PRINTED CIRCUIT BOARD ee eee eee LI R Lp 5 MN 88 C EE Vo TAPE pau P C B cuc MM NM P C B Led er __ O P C B re n ID MERE M UA TRANSFORMER REPX0357C TRANSFORMER P C B RTL EB TACT SWITCH CD LOADING C P INTEGRATED CIRCUITS CO frcii_ coaacoooo007 zc Driven m re perve nc 1r e mex s m 20300 1 0000747 nc ase m 20302 0007 m 20304 _ c ssooooor s 20500 _ nswszemsza r rower ame mc 1 501 _ coaassooo117 op aue amp 1 502 0007 swrrcurws REGULAR m zcsos _ c m zceoo par m 1 701 22004 HEAD am m ucro ucro massaerrs2 cu 20704 0027 nc 16 pma rm 1 71 1 INTERUPTOR m 201000 00612 ananos sm
5. o 171w smssomvomoov o 116 7007 jsnnsurvanson is i z roi sex ijv nM 4 7 mu mmszrzioir ioo iw roa m 703 mmszrziosr nor ijw kroa mwssomriov ros mwszrziosr 10r ijv ros mmgsomy3393v 39K iam amm iw ros mmssomniozv m R707 o 116 kros mwszrziosr ior iw _ mwssomromoov o 0m ros mmssomrioev 100r jmnnsamassar ser ij m mii nm i2 2 1 2 h i2 ezo 17168 mwszrssesr ser 20m 470 m8 ris mmssomnsszv sx m0 m 17 mwssomiozv aK iae m m 1s mmssomniozv 720 ear ijv 720 jenssomrszosv am iiv _ 72217 mwssemrioiv io 7227 n0 727 jenpsans oar _ 227 mmgsomy3332v 724 _jmnnsams oar ras __ 725
6. 21 COGAG0000007 LOADING MOTOR DRIVE 9 S t os GGG 7 GOTT 16 0 jl 0 76 SA PM28E SA PM28EB SA PM28EG 15 Printed Circuit Board A B D E F G EN cp SERVO REPX0363A SIDE A 77 SA PM28E SA PM28EB SA PM28EG EN cp SERVO REPX0363A R749 R727 C752 C739 R728 R729 SIDE B 78 SA PM28E SA PM28EB SA PM28EG A B D E F G 79 SA PM28E SA PM28EB SA PM28EG FM LOOP ANTENNA AM LOOP ANTENNA HIGH CHANNEL SPEAKERS LOW CHANNEL SPEAKERS 80 SA PM28E SA PM28EB SA PM28EG A B D E F G 81 SA PM28E SA PM28EB SA PM28EG 1 N SWITCH P C B REPX0358A 2 3 4 5 ea 6 7 SENSOR P C B TAPE EJECT P C B REPX0358A REPX0350A 8 9 82 SA PM28E SA PM28EB SA PM28EG SOLENOID 83 SA PM28E SA PM28EB SA PM28EG POWER P C B REPX0357B E EG REPX0357C EB 84 SA PM28E SA PM28EB SA PM28EG 9 TRANSFORMER P C B REPX0357B E EG REPX0357C EB 85 SA PM28E SA PM28EB SA PM28EG E EG 230V 50HZ EB 230V 240V 50HZ CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B 86 SA PM28E SA PM28EB SA PM28EG CD LOADING P C B REP3569A MSWOLLOd 5 MSNOOLS 15 HOLON 5NIQVOT 129 161 cv 9 8 OLS HL MS39NVHO SS M
7. D301 008 prope 302 1 83860 171 prope 1 303 jass3sorg 17 prope 1 304 MA729TX 2305 B0ACCKO00005 prope 500 0000 505 4 10508 prone 2515 B0BA9R600002 prope 517 00016 prope 0520 600002 prope 524 DIODE 0525 BoaacKooo0o4 prope 7 Ref No Part Part Name Description Remarks 0526 0 000004 prope 7 527 4 0530 BoaacKoo0004 7 Im 539 0 8 0 BOBAGR600008 VARTABLE RESISTORS 71 2524 VOLUME ENCODER KOL1BA000065 KOL1BA000065 RSH1A045 1A SW TRIGGER K0L1BA000065 5 _ Z 2140 6 7 SW CD 4 RVO21405RJ SW AUX 02140587 SW REM vozla0sRJ D541 D578 D579 D580 D581 D584 D586 D587 9588 9589 D593 0600 D601 D609 D700 D701 D702 D703 D705 D707 D708 D709 D710 D743 M EG E M EB D750 D803 D971 D1301 107 SA PM28E 5 28 SA PM28EG Remarks eai jsrosueosns sw cance 622 _jsvo2usosno 862237 svoniosm sw so s701 nsmiaas a sw Reser sw oren s971 0 sw mop ssa _ nsmao s au sw omar 8972 ugar ug
8. R606 R607 ax i i meos Jar a iew mcos 2 1 2k 171w smssomwiszv i ex ij2e meii mmssomv222v nox iji ua meia mmsogv222v 2 2 1 16 meis mmssemnizv 2 n0 Reis ax a iew meis mmssomuuzzv nox 110 mei n0 meis mmssomriozv Jar n8 meis 1 2K m8 620 2 __ iex eaa 222 2 2 116 m 7 ja meas mmssomrses v s or meas 2 R627 me2s _jenssomwsar v aro 200m eso mmsomy 223v 22 116 m mmssomniozv mess mmssomriozv n0 mmssomriozv m8 _jenssomwsar v aro mess 272 2 7 116 m meia o iio _ meas
9. 51 100r sov _ 2___ 1 sov sss sczivsimssir ssa sov 355 __ sov 6 jmcuvanssanev 5605 sov sss mcacowaais csss 100 10v esso scaosaioixs ioo e sv _ sei _ scuvanzoarev o i sov csea scaaama2oxm 22 iov css mcuvimioiscv nor sov sea mcuvimioiscv ior sov m eses mcuviazaammv o a2 10 m csse mcuviazaammv o a2 10 6367 mcuvimioamsv o i sov hM sss scuvimioamsv o i sov cai scwvimiiscv noo sov caa scwvimioiscv 100r sov cus mczivimiozr 10005 sov cana jmcuvanaaunev 2205 sov m ais 2 2 sov m io iv nm ca 10005 sov hM cas scammroiors i sov n0 cas scacamiooxs io 16v cazo 7 caza wcaicamioors 10 167 cas mcaicamioors coa sov m 0 47 sov scuvwmaisamsv sa zv mM mcuvwwaisammv sa iov Ref
10. 7 10005 sov m sis mcvimseoscv ser sov sis mcziveimiozr 10005 sov 0 scwvimseoscv se sov Im sai esp sov 2 scsivcimesos esr sov 323 ier sov m so mcsivcimazos sv sas mcsivmixoisr o 022 2sv sae mcuvimiosesv o oi sov 0327 2205 sov sas 100r sov sas scxivcumoir 100r sov sso scxivcumoir 100r sov ssi ior sov 0332 100r sov e333 mcvimseimmv seor sov essa mcuvimseimmv seo sov sss mcvimseimsv 5605 sov sae scuvimseimsv 56 sov 7 _ scuvanssarev 5605 sov sss scuvimseimsv seor sov m 0339 mcvimseimmv seor sov sao mcuvimioamsv o i sai 5 ioo 6 3v saa 10005 sov csaa scwvimioiscv 100r sov css scwvimioiscv 100r sov esas sor veawaros are css __ 1 1 zv css 10005 sov css a esso 1008 sev m
11. Hor belt Step 33 Install speed up gear to its shaft of mechanism base with 2 fitting Speed up gear Speed up gear Hole Shaft of mechanism base Speed up gear White Step 34 Install the pitch plate The 4 claws should be latched Step 35 Fix 2 rios of UD rack L and into groove of both ends of UD connection lever p Claw Lao UD connection f Ads 507027 lever 7 A y Pitch plate a AD 2 Claw y SE 36 SA PM28E SA PM28EB SA PM28EG Step 36 Step 37 mechanism Screw 1 Check that 2 holes of both pitch plate and main gear is fitted Refer to Fig 1 If it s not fitted put the gear for servicing in the hole of the bottom side and adjust it Refer to Fig 2 2 that 2 holed of both pitch plate and speed up EN gear is futted Refer Fig 3 N S If it s not fitted turn the speed up gear to adjust it INI N ua m 77 Pitch plate Step 37 Be sure the notice of below before fixing the traverse mechanism 1 Check that 2 holes of both pitch plate and main gear is fitted Refer to Fig 1 If it s not fitted put the gear for servicing in the hole of the bottom side and adjust it Refer to Fig 2 2 Check that 2 holed of both pitch plate and speed up gear is futted Refer Fig 3 lf it s not fitted turn the speed up gear to adjust it Pitch pl
12. Power Amp IC 1C500 RSN314H41A P Heat Step 3 o sink 9x2 Solder terminal Step 4 Unsolder the terminals of Power Amp IC and replace the component Power P C B Step 1 Remove 2 connector CP501 and CP504 and pull out the Main P C B Step 2 Remove 2 screws fixed to the Power Amp 14 SA PM28E SA PM28EB SA PM28EG 8 2 Procedure for Replacing Cassette Holder e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 Step 3 Step 6 Remove the Remove the cassette Step 7 cassette holder Remove the mechanism unit cassetie open spring Step 2 Press the lever to open the cassette cover Step 4 Lift up the cassette cover to the arrow direction to remove sou Cassette Cover Step 5 Pull out the ribs of the cassette holder to the arrow direction Cassette Holder Cassette Holder 15 SA PM28E SA PM28EB SA PM28EG 8 3 Procedure for Replacing Pinch Roller and Head Block Cassette Mechanism Unit e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 3 of Item 8 2 Step 1 Release catches to remove the pinch rollers and Note ji Support the Mechanism PCB 2 by hand te remove the Mechanism Control PCB Step 4 Remove the Mechanism Control PCB keeping track 4 of connectors 6 Mechanism Control
13. Step 10 of item 8 10 2 Step 1 the position for lever of UD rack R to remove traverse unit Step 2 um the unit over Upside P C B Lever of UD rack Locked here NOTE not this Step 3 urn the unit over again slide UD rack while pushing up the lever from the bottom Tweezers gear shaft Step 9 uil out the tray gear shaft with tweezers Step 10 Remove the tray drive gear ass y 25 SA PM28E SA PM28EB SA PM28EG Step 4 Step 4 emove the traverse unit emove the reverse gear hor pulley gear hor speed down gear 1 hor speed down gear 2 and hor drive gear 2 Hor pulley gear 1 Reverse of gt 3 Hor speed down gear gear 1 em 4 Hor speed down N s en 2 5 Hor drive gear 22 A 4 8 10 4 Disassembly for CD loading unit e Follow the Step 1 Step 10 of item 8 10 2 Step 5 Follow the Step 1 Step 4 of item 8 10 3 Remove the UD belt and tray relay gear Step 6 Pull out the UD pulley gear loosen 2 hooks of the bottom of mechanism bese 2 UD belt UD connection Separate lever 1 lever Claw Tray relay gear UD pulley gear i T p Pitch plate lt Step 2 elease the 4 claws and then remove the pitch plate together with separate lever 1 and UD connection lever Step 3 Bottom side
14. ns46_ erps2rsaast nsa7___ erps2rscest osx iw nsae_ erps2rsisar mss 2 2 12 msso smpsirvossir 3303 20 mnps2rsi0ar mm 330 i 2 sse __ 27 i z mss erpsirvaz70 nr iz _ jennszms 0ar 562 smpszrzssar 390r ij scs mmpszrrissr zc im ses nor iw msc mmszrusir iso iw _ jsnosurvanson 15 173w m mses jsnsurvoazon 27 a 2w _jsnosurvassan sx m 72 m 73 ij n 7x mss __ iex 1 1 _ 577 _ sve pm mseo is i z _ _jsnosurvanson smpszrzezir so m mses _jennsurva22on 22 17w Sm iso iw 7 jsnosamgaran __ mses ij R600 es a iew Reor 6s iiw _ m Reoz smssomwaTov a7 mcos 73 u 7 meos 22 ijiem
15. runeioaaoes cris rimiciosaoes o iiev cri 100 6 3v cri 0 012 iv m __ rowviasTaxev o 7 iv jcvas__ ripica272a010 cr cr runeisaaoes cris 10019 cris 0 02 107 i00 wv rao scammroiors i sov mcwvimzaoscv sov crai riiessaaoio 390 _ eras scuvanarosev me raa riicssaaoio 39005 iev cras scammroiors i sov cras 2 63 101 928010 39005 16 erza runcioaaoes o iiev cas __ 1 10002 sov eras 101 010 asoor _ cras sczivumiozr 10005 sov cra scammroioxr i sov m zcamxoioxr i sov cras 35005 sov _ nM cras 33005 sov cras so 3 3 sov erso runcioaaoes o iiev csi 220 6 37 1 3 9 sov m 2 mcaicaxazixs 220 av cras scacarioors 10 16 _ cras o iiev ersa scazcanzooze 10 167
16. SA PM28E SA PM28EB SA PM28EG Cabinet 20 3 Cabinet Parts Location 20 3 1 TAPE EJECT P C B 4 50 CP1902 2 Q x x lt P C B 103 SA PM28E SA PM28EB SA PM28EG TUNER PACK P C B H303AN303 301 CN302 W H307 48 59 ae NR N N X 4 e Y f Q9 ON KR L 104 SA PM28E SA PM28EB SA PM28EG 20 3 2 Cabinet amp CD Loading Mechanism Parts List Ref No Part No Part amp Description Remarks CABINET AND CHASSIS ea ee pes 1 RDG0357 DAMPER GEAR 7 27 RDLX0003 Q POWER LENS iM 3 REEX0166 14 Frc WIRE EM 4 REEX0271 5 7 REEXO272 oz jm 6 7 REXXO369 2 FLAT WIRE m 7 REM0094 COOLING z 8 28 CENTER ORN ASS Y m 9 7 RPLX0007 Q LIGHTING PIECE 10 RGKX0202 S 08 ORNAMENT 7 11 175 VOLUME ORNAMENT 12 RFKLAPM2SPCS LID ASS Y m 13 REAR CABINET 13 00500 REAR CABINET EMI EG 14 RFKGAPM28EBS FRONT CABINET ASS Y 14 1 RGPl0l5A S ru WINDOW 15 497 EJECT BUTTON 18 4 8 EJECT BUTTON 17 RGUX0499 S POWER BUTTON 18 RGUx0500 s ALL DISC BUTTON 19
17. Speed up lock Step 47 Insert 5 pieces of disc tray at 5 the same time until it s stop Step 50 Insert the rib of speed up lock into a groove of main gear and lock it with 2 claws N lt gt Rib of speed up 2 Groove of main gear 40 Step 51 Move the bottom tray to the arrow while pushing the top of the speed up gear And insert it to a cog of the speed up gear Top of the speed up lock Speed up gear Bottom tray Step 52 Install the open switch lever Put the boss into the hole of the mechanism Open switch Inset it with a click Step 53 Install the top cover Fix it into hooks and slide direction to the arrow NOTE The claw should be latched 41 28 SA PM28EB SA PM28EG SA PM28E SA PM28EB SA PM28EG 8 12 Disassembly for traverse mechanism e Follow the Step 1 Step 14 of Item 8 1 e Follow Step 1 Step 7 described in Item 8 10 e Follow Step 1 Step 7 described in Item 8 11 e Follow Step 1 described in Item 8 11 Step 1 Shift ribs of both side to the arrow direction vertical rack slides and groove opens Siep 2 Remove CD traverse deck Loading gear Step 3 Lift a loading gear slightly and pull out 42 Step 4 Fixing lever to the arrow direction rotate a traverse Step 5 Remove catch and take out a clamp guide Traverse fixing lever Gatch Siep 6 Dividing lever 2 2
18. 33 SA PM28E SA PM28EB SA PM28EG Step 19 Put on the top of the timing gear then install the timing gear and it s plate At that time avoid the UD rack L Timing gear plate Hole Groove of mechanism base Step 20 Fix 2 claws and a screw to fix Claws the timing gear and it s plate Timing gear plate Timing gear SA PM28E SA PM28EB SA PM28EG Step 21 Install the UD pulley gear to mechanism base UD pulley gear 26mm UD pulley gear White Step 22 Insert the change lever with it upright Change lever 2 Step 23 Be sure the notice of bellow before fixing the change gear 1 Select track should be in the rear of mechanism base 2 Its hole of GENEVA gear should turn up Rear side Select rack 34 Marking hole GENEVA gear Step 24 Install the change gear as insert the change lever into the groove of change gear Change gear 1 Pushing the part and pull up the change lever 45 Change gear Change lever 2 Insert the change lever into the groove of change gear Change gear Groove of change gear Change lever Step 25 Put change gear down with projection part of change gear fitted to triangle mark of mechanism base when fixing change gear At that time check change gear is inserted into the groove of change lever Step 26 Lastly turn GENEVA gear clockwise slightly and drop change gear to mechanism base
19. ERJ3GEYORO0V 01 6 Raso ERJ3GEYJ102V 1K a iew R451 _ BRo3cEyga73v 47K 1 44 452 ERJ3GEYJIOlV 100 1i 16W i453 mRJ3GEYJ101V 100 1 1608 R454 sRJ3GEYJ101V 100 116 R455 sRJ3GEYJ101V 100 1 lew Rase ERJ3GEYJlOlV 100 i 16W m Rass ERJ3GEYORO0V 01 6 R459 100 1 16 SA PM28E SA PM28EB SA PM28EG Ref wo Part mo Part Name amp Description remarks o arsu mci smzsomwaT2v msos msos jennszmasear ser am seni msis sex iw msi 02 44 Bd msis nox i m msis na im R520 2 2 iw n524 SOS __ nox iw m mmpszrrissr ase am 1 1 m 330 m 36 na i 2 m mss nox 1 0 pm mss mmpsimvosszr 3 9K 272m ns40_ erps2rsisst _ m sao nox 7 saa ax a aw esas jsnosamgeran Jak ijm
20. Part No Part Name amp Description Remarks 429 22 115002 sov 2 106 474743 10 47 sov c432 mcovin474J23 047 5 C436 ECUVIE104KBV 0 1 25V C437 CUV1E104KBV 0 1 25V C438 ECUV1H682XBV 6800 50v C439 ECUV1H682KBV 6800 50 C440 CUV1E104KBV 0 1 25V C441 ECUVIEl04KBV 0 1 25V C442 ECUV1H681KBV 680 50V C443 CUVI1H681KBV 680P 50V C445 VC1H151J 150 50V 5 ECJ1VC1H151J C500 F1D1H821A012 820 50V 10188214012 820P 50 820P 50v 20P 50V 9P 50V 9P 50V 2200 50 2200 50 300 25v 3P 50V 3P 50V 01 50 100 16V 0 01 50 10 50V 0 01 5007 0 01 50 0 01 50 3 25V 3 50V 01 50 0 1 100 0 1 50V 0 1 50 220 6 3V 1000P 50V 0 01 50v 4 7 50V 0 01 50v 0 01 50 47 50V 0 1 100 0 01 50 1000 16v 100 25V 10 100V 100 63V 100 50V 22 50V 22 50V 3 3 50V 1000P 50V 0 022 25V 0 022 25V 68P 50V 47 6 3V 0 01 50v 1000P 50V 100 50 mm 0 gt t E F1D1H821A012 F g m Uu gt 222 HAM222XE bi 9 bi w N CJ1VC1H1 H82 H3 ECBT1H330JC5 ECBT1H330JC CAK10 1 101 3 3 w N 5 ECJlVBIHl02K ECJ1VB18223K ECJ1VB1E223K ECTVB1H102K cuviHl0lJCV 100 50 2 10V 01 507 EC
21. Remove the bottom part of the dividing lever to the arrow direction Step 8 Slide a traverse sliding plate to the arrow direction 1 and shift a rib to the arrow direction 2 Traverse sliding plate Step 9 Shifting a traverse sliding plate slightly and rotate a tray change lever Step 10 Remove tray change lever Tray change lever 8 13 Handling of cassette tape jam e Follow the Step 1 Step 4 of Item 8 1 Step 1 the cassette tape 15 not ejected due to twining around capstan or pinch roller during playing or recording rotate a flywheel F to the arrow direction to remove twined tape Flywheel F 43 SA PM28E SA PM28EB SA PM28EG Step 11 Holding the catch down slide a traverse sliding plate to the arrow direction and remove it Traverse sliding plate Step 2 Push the lever to the arrow direction open the cassetie cover JUN and take out the cassette tape Cassette cover SA PM28E SA PM28EB SA PM28EG 9 Self Diagnostic Display Function This unit is equipped with a self diagnostic display function which will be useful during servicing and maintenance e Refer to the next page for display symbols symptoms etc 9 1 Preparations 1 A CrO2 positioned blank cassette tape with an erase prevention niche on either Side A or 2 A normal positioned music tape with erase prevention niches on both Sides A and B Both tapes are halfway forwarded in
22. SA PM28EB SA PM28EG 20 Parts Location and Replacement Parts List Notes e Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of these components be sure to use only manufacturers s specified parts shown in the parts list e The parenthesized indications in the Remarks column specify the areas or color Refer to the cover page for area or color Parts without these indications can be used for all areas e Warning This product uses a laser diode Refer to caution statements on Precaution of Laser Diode e Capacitor values are in microfarad unless specified otherwise P Pico farads pF Farads e Resistance values are in ohms unless specified otherwise 1K 1 000 ohms e The marking RTL indicates that the Retention Time is limited for this item After the discontinuation of this assembly in production the item will continue to be available for a specific period of time The retention period of availability is dependant on the type of assembly and in accordance with the lows govening part and product retention After the end of this period the assembly will no longer be available e M indicates in the Remarks columns indicates parts that are supplied by PAVCSG e The SF mark denot
23. SA PM28EG SCHEMATIC DIAGRAM 2 SERVO CIRCUIT B SIGNAL LINE CD SIGNAL LINE TPR cl MAIN CIRCUIT CN306 ON SCHEMATIC DIAGRAM 6 dat 702 MN6627931BD SERVO PROCESSOR DIGITAL SIGNAL eS CN702 0 1 vss 9 3 lt lt i g O O O lis NEE gt 0 1 27 16M DRAM 2 vcc gt A10 S A1 d mi H 62 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 3 B SIGNAL LINE umb AM SIGNAL LINE MAIN TUNER CIRCUIT OSC SIGNAL LINE gt FM SIGNALLINE OSC SIGNAL LINE 2120 ENV17290G1Y CF201 1075 0086 gt 9101 25 20585 SWITCHING L101 RLOBRSSKT 1Y G 2101 L102 RLA2Z007 T RLQBR39KT 1Y e AM EXT ANT TRES EE R152 0 HOH720400005 102 R137SR136 R134 1K gt 1K 470 LC72131MDTRM PLL IC TUNER lt 8 sl 8 63 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 4 AM SIGNAL LINE AM OSC SIGNAL LINE Ju TUNER CIRCUIT SIGNAL LINE gt FM SIGNALLINE FM AM SIGNAL LINE ano 2SC3311ARTA SWITCH 05 54 1000 470K R143 C138 22K 0 01 RA102MT TUNER SUPPLY SWITCH C141 R
24. sov _ 22 iov e126 scwvicioszme 10 17 127 scicaxzaors 22 iov m e129 scmaozmaios 100 0 100 v 2 scrivumozr 009 sov kiss scuvanarosev 3 sov scuvanarosev n sov scxivumiozr 10005 sov 7 83002 sov nd kiss o oi 2sv kiss sov i sov i sov ssoor sov scuvanssanev esoop sov scxivimiozr iocos sov scivmimiosr 0 01 zsv eas scwvimioamv o i sov e211 scwimiiscv sov _ n scwimiiscv sov kais scriveumozr 00 sov scvimzairsv 2205 sov 2 2 sov scacamioors io 17 sov i00 m e219 scarcarioors io zov 220 scarcarioors 10 iov e221 zcaicarioors io iov 222 0 10 167 _ 223 scacarioors io 17 e224 0 io 17 aas 0 47 sov 26
25. 0000017 aati 8 Cathode 2 Anode Cathode Ca AG A MN6627931BD 80P 0000033 64P DTA114EKA146 DTA143XKA146 DTC143XKA146 DTC114EKA146 BOJAME000057 Anode MAZ80560ML Cathode MTZJ15CTA MTZJ15BTA MTZJ36DTA Ca p Cathode Anode 91 CNB13030R2AU COAABBOO001 17 2SD0592ARA 2SD09650RA KTA12710YTA KTA1504GRTA KTC32030YTA KTA1267GRTA BOAACK000004 BOACCK000005 MA2C16500E Ca do a A d Anode Cathode BOBA5R600016 BOBA9R600002 BOBA6R600008 000004 SA PM28E SA PM28EB SA PM28EG 19 Terminal Function of IC s 19 1 10701 AN22004A NF Servo Amplifier Function 1 JAPC Amp ILD APC Amp output terminal vcc source terminal Easw Equalizer switch terminal IRFOUT O RF summing Amp output terminal AGC input terminal AGC AGC loop filter capacitor terminal AGC output terminal 5 5 a 7 I U T gt 3 5 2 5 9 5 0 e terminal STOUT output terminal Detection system s HP connecting capacitor terminal PFTR detection level adjustment terminal BDO output terminal OFTR output terminal NRFDET output terminal LDON terminal Earth terminal Equalizer boost terminal 19 VREF output terminal 20 jAmpinvering input terminal 2 o TE amp o
26. 970 KTA12710YTA TRANSISTOR 0702 00063 rransisroR 073 1 000063 TRANSISTOR 074 2 TRANSISTOR 0 9705 1 KRCl02MTA TRANSISTOR 10710 1 00006 TRANSISTOR 971 1 00006 TRANSISTOR 9712 000006 TRANSISTOR 0713 000006 TRANSISTOR 074 KTC3199GRTA TRANSISTOR 075 KTC3199GRTA TRANSISTOR 10716 KTC3199GRTA TRANSISTOR 0717 xrC3is9GRTA TRANSISTOR EM 071 1 00006 TRANSISTOR 07 000006 TmANSISTOR 0720 KTC3199GRTA TRANSISTOR 10721 KTC3199GRTA TRANSISTOR 91101 2SD2114KlV TRANSISTOR 1201 28D2114K1V TRANSISTOR m 01302 DTAl14EKA146 TRANSISTOR EM 0130 pTCl43XKA146 TRANSISTOR EM 101304 DTA143XKA146 TRANSISTOR EM 91305 14 146 rransistoR 0136 12502412 968 TRANSISTOR 101307 2SC2412kKT96R TRANSISTOR 101309 BlAAGCOO0006 TRANSISTOR 101310 B1AAGCOO0006 TRANSISTOR 101312 28C2412KT96R TRANSISTOR Im 91313 28C2784FTA 2 TRANSISTOR EM 01314 DTAl43XKA146 TRANSISTOR 0131 KTA12710YTA Transistor 01316 29D09650RA TRANSISTOR m 91317 2SD2114KlV TRANSISTOR topes T asi J 0101 urzsrei7swiB prope 10300 muiN4003s p
27. JO O TAPE_EJEC FL_RESE 1 FL_DOUT TO MAIN CIRCUIT CN308 ON SCHEMATIC DIAGRAM 5 227 ECHO LVL ECHO MUTE WV Y SSEQ LE 606 GND2 PCONT AC TRANSFORMER CIRCUIT CN505 ON SCHEMATIC DIAGRAM 15 C0 G9 CO i W606 70 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 11 ZZ PLAYBACK SIGNAL LINE DECK CIRCUIT i4BSIGNALLINE 0 REC SIGNAL LINE C1105 470P 2222 22242 PBRIN E x ce PBLIN oo d 11001 9 CP1301 AN7326K REC AMP IC REJECTIOI X aM 8 anm 1223 1 00000612 TZP ANALOG SWITCH IC L1302 RLQB470JTD D Q1309 1310 B1AAGC000006 BIAS SWITCH C1371 C1323 0 01 1 R1329 R1328 a Q1317 88 2SD2114K1V oF SWITCH BEAT PROOF LEVEL Q1313 28C2784FTA 01313 C132 0 01 il 25 2412 96 SWITCH BPL 71 5 A PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 12 Ez PLAYBACK SIGNAL LINE DECK CIRCUIT SIGNAL LINE REC SIGNAL LINE RIS N N Q1101 1201 2SD2114K1V MUTING SWITCH R1105 R1109 2 2K 1K MOTOR GND MOTOR 9V GND TO DTA114EKA146 MAIN CIRCUIT DECK MUTING CONTROL 6 gt H309 W309 SCHEMATIC R1110 DIAGRAM 5 33K Q1306 1307 28C2412KT96R SWITCH CN1304 Q1305 DTC11
28. Q304 STAT STATUS SWITCH RECINH_R RECINH_F 8 y BP1 MOTOR PLUNGER y A lt x AD1 5 gt MDATA_OUT C2CBJF000007 MICROPROCESSOR CDRST S0 SW 8 PLAY SW BT_sw OPEN Sw CRI6SWMTCH N e o 0306 O O O O O S701 51 52 59 54 55 RESET RESET STOCK PLAY BOTTOM OPEN CHANGE SWATCH L d lun uw 56 SA PM28E SA PM28EB SA PM28EG ZZZ 2225 19 24 post px 1C300 C1BB00000747 ASP IC JK503 AUX CD SIGNAL gt FL DISPLAY FROM POWER FL601 TRANSFORMER RM11 RM21 UP DOWN MOTOR LOADING MOTOR 101 4 4 Q O E 5 5 IC11 0000007 COGAG0000007 GB UP DOWN MOTOR LOADING MOTOR ER N DRIVER DRIVER z RDSIC S 2 u e n 0000033 G2 f O O C FL DRIVER 7 7 a x 9 2 9 O O 1 3 4 44 45 26 27 58 56 39 33 31 53 Q Q gt Q x E u c a 5 lt a 1 1 1 w x 5 8 g 5 s 2 o 1 1 a amp amp lt 5 4 5 9 Y 4 C2CBJF000007 IC302 MICROPROCESSOR 9 9 a N 5 O Q O Q O O 95 18 13 10 11 X302 i BEAT PROOF CONTROL Z601
29. RECORD SIGNAL LINE m AM FM SIGNAL LINE 7 PLAYBACK SIGNAL LINE B SIGNAL LINE mm AUX SIGNAL LINE gt CD SIGNAL LINE SCHEMATIC DIAGRAM 6 MAIN CIRCUIT SA PM28E SA PM28EB SA PM28EG 0 386 lt 5 309 10K 5 x an lt S Q 5 b 5 16 616 lt lt Io amp m Mose mu 8 ol x lalol gt C342 1000P sis a gay MS 153 ML dsv is 1416 ALA AA SIEH qu Alaaa am 2 OOLAOL 69 2 2309 KRC101STA PLUNGER SWITCH Q310 KRC101STA MOTOR SWITCH L301 RLLSQOOSOT Y 2 LNIIOA Y E 5 5 5 5 Taal 03 03 c 19303 19303 3dvl CD SERVO CIRCUIT CN702 ON SCHEMATIC DIAGRAM 2 TO 66 DECK CIRCUIT CN1303 ON SCHEMATIC DIAGRAM 12 d SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 7 Ed wan CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE VREF L 1 SS C303_L R306 470P 10K R329 1K R381 100 95 0 R380 100 R379 100 R378 100 IC302 EW mei _ C2CBJF000007 R453 0100 MICRO PROCESSOR Fille RG AT ROT i LLL LLL 3 4 moe RIB 4 7K a MDATA_OUT R338 4
30. advance 3 The remote controller that comes with this unit 9 2 Setting of the Self Diagnostic Mode Operation Procedure Operation and Processing of Microcomputer Switch the SELECTOR to TAPE There should be NO cassettes loaded x Press the Bil DEMO key for 2 sec and press shall be displayed in the FL for 2 sec it shall enter into the self diagnostic mode 9 3 Restoring Normal Display e From the F76 display the normal display does not appear till an error is recovered e For displays other than F76 press POWER button to turn off the power and then turn on the power POWER STODR DEMO TAPER AFFEN 9 4 Clearing Self Diagnostic Memory lt CD Section gt F15 F17 F22 F26 F27 F28 F29 1 Enter a self diagnostic mode 2 Press DEMO button A symbol of self diagnostic is indicated on the display if an error is found If several errors are found a respective indication is displayed when DEMO button is pressing repeatedly e g HO1 CD F15 F01 If no error is found only TEST indication is displayed and remains unchanged even if DEMO button is pressed 9 5 Displaying Self Diagnostic Results Cassette Deck Section 01 02 F01 02 1 Enter the self diagnostic mode following the instructions described in 5 2 Entering Self Diagnostic Mode 2 Insert a normal positioned music tape with erase preven
31. io 16 SSS scuvas sanev 0 018 257 __ je7sa__ rimucioaaoes o iiev rss __ 5 o iiev 797 scnaomano z 100 6 3v 101 jscammaxozoxe i sov 102 scaicarioirs io iv enoa 0 027 iv iios _ scuvamar nev 106 jscamnananzse 2 2 sov jci107__ rimimisaazis 5005 sov m 1108 10 a7 _ 109 3 3 sov 1120 60 c 22 iocos sov 1222 jscuvamossev o oi sov 23 2707 sov 1201 scammroioxs i sov 1202 1000559 203 10019 c1204 _ scuvacarasev 0 0719 205 scuvimezimsv sov m 206 2 2 sov 207 rimunsaazis 150 c1208 17 1207 3 5 i210 scuvinssarev 68005 sov 1221 scsivmimiozr iocos sov Sm 1222 0 01 sov 1223 scuvanararev 2707 sov e1301 o i sov m iso scwvicsssrsv 0 033 _ scuvacsssnev 0 03
32. load signal input Low Load Subcode block clock signal f 75 Hz in normal speed playback mode PWM output mode selection input Low Direct High 3 state 19 3 Spindle motor driver No VO Function 1212 1 Motor Drive 2 input Turntable motor drive signal L ON Motor driver 1 input pindle motor On Off Ground connection 1 for driver Power supply 1 for driver Motor driver 1 reverse action driver 1 forward action driver 2 reverse action driver 2 forward action reverse action Power supply 2 for driver Ground connection 2 for driver Reference voltage input Motor driver 4 input Motor driver 3 input AIME 5 B Ho E 93 SA PM28E SA PM28EB SA PM28EG Status signal output Reset input Low Reset Spindle motor drive signal output polarity output 88 2 kHz clock signal output Pack signal output for CD TEXT data CD TEXT data signal output External clock signal input for CD TEXT register Test input pin High Normal Crystal oscillator circuit output Crystal oscillator circuit output Ground for digital circuits supply for digital IC703 BA5948FPE2 Focus coil Tracking coil Traverse motor 19 4 1302 C2CBJF000007 System Microprocessor R16 Detect Switch uner PLL Clock Output uner PLL Data Output uner IF Data Stereo Input uner Signal Detect Input icro
33. lxi s UJ Q 2 lt R303 R305 R306 R307 R308 R309 R311 R312 8313 R314 8315 R317 R318 R319 R320 R321 R323 R324 R325 R326 R327 R329 R330 R331 2332 R333 R337 8341 R342 R343 R344 R345 R346 R348 R349 R350 R351 R352 R353 R354 R355 R356 R357 R358 R360 R362 R363 R364 R365 R366 7 R368 R369 R370 R372 109 SA PM28E SA PM28EB SA PM28EG Remarks 18373 ERJ3GEYJl22V 1 2K 1 16M R374 ERJ3GEYJl22V 1 2K 1 16M 375 ERDSIFVJAR7T 4 7 1 2W R376 mRJ3GEYORO0V 01 68 8377 ERJ3GEYJ223V 22K 1 16W 8378 sRJ3GEYJ101V 100 1 160 8379 sRJ3GEvJiOlV 100 1 10M 1 R380 sRJ3GEYJ101V 100 116 381 zmJ3GEYJlOlV 100 i 16W m 382 ERJ3GEYJlOlV 100 i 16W 8383 ERJ3GEYJl03V 10K 1 64 R384 _ ERJ3GEYJA72V 4 7K 1 160M 7 5385 ERJ3GEYJIOlV 100 1i 16W R386 sRJ3GEYJ103V 10 1 168 R387 sRJ3GEYOROOV 01 1 8388 sRJ3GEYORO0V o 1 R389 ERo3GEyg103v 10K 1 64 8390 ERJ3GEYORO0V 01 6 391 ERJ3GEYORO0V 01 6 2392 ERO3GEyg103v 10K 1 44 R393 01 6 0 R394 ERJ3GEVOROOV o 1 168 R395 JERJ3GEVOROOV o 1 16 R396 o 1 16 R397 01
34. 1 66 R1343 ERO3GEYg332v 3 3K 1 16 R1344 ERJ3GEYJ273V 27K 1 4 R1345 ERJ3GEYJl02V 1K a iew R1371 ERJ3GEYJ223V 22K 1 44 5 R1374 ERJ3GEYJ471V 470 116 _ ee ee eee jeamcros ERN PRESE cii ripis103a001 0 01 25v Ow cia r2Aiciola235 100 revs cai ripim103a001 0 01 25v 22 F2A1C101A235 100P rev ci01 8 1 1 103 0 01 25V c102 1 101 100 16V 103 mczivsimiosk 0 01 25V 104 1000 sov cios 102 10002 sov cioe 1 1 103 o 01 25v cio7 73 0 047 25v cios mcuvigosODcv 8 sov 109 1000 59 10 0 01 25V mCAIHAK R7XB 4 7 50V cii2 1 1 103 0 01 25v 102 10002 sov cilia 3 3 sov 115 mcaimak4R7xB 4 7 sov SA PM28E SA PM28EB SA PM28EG et wo Part mo Part Name amp Description remarks scwvicsssmev 0 033 16 eny 10 01 zsv scivmimiosr Jo oi zsv je1s__ roazaseiaoi0 scor icov m 120 scaicarioors io iov _ 0 47 sov _ e122 i sov k12s zcamxoioxs i sov scwvimbiscv
35. 4 05 33 iov m 7___ 220 cisos 2219 0 scammromixs 0159 scacam7oxs ar 17 1312 scuvanasarev 53005 sov 1314 _ jscs ve m2aar 22005 sov jscs vs m2aar 22005 sov 6 iocos sov e1317 scivimiozr 10005 sov 0 047 sov 1319 scacamioixs 1320 scammroioxs i sov scoriaT2ozT 470 100v 22 0 2 102 010 1000P 100 1323 mcmammwios i sov 1324 ar 17 m 5 o 0i 25v e1326 scaicamioxs io 10v scwvimiosmev 0 01 sov flee 701 mrs jnrssomvonoov o iow o 1 16 mz717 o a iew o 210m R719 mmssomromoov o 210m a720 nrssmzonoov 0 19 moT21 o 171w 722 jnrssomvonoov o 171w a723 _jnrssomvonoov o iow 724___ o 1 16 725 _ o a iew 114 SA PM28E SA PM28EB SA PM28EG 20 5 Packing Mater
36. 7K e EE FL_CLK EFP_CLK1 5339 a2 L I p R340 100 FL_CS1 EFP_RXD1 CNVSS EFP_CNVSS 100P SYNC MUTE_H 10V22 C309 100P C308 C307 100P C334 560P C333 560P PLLCE 82 Festo rar sum S sm I s m _ mU v L MUTE_H ASP_DAT C362 L300 GOC3R3JA0027 C325 0 022 R357 4 22K 80 EE_DAT 1501 CD BoacKooo005 315 1100P X301 420100500008 R353 9 Q306 4 7K KRC103STA RESET SWITCH R355 c323 6221 0308 330K 18P 8 oO R356 9 10 0x302 C324 ya 22P 0307 308 RSXD32K7S02 KTC3875GRTA BEAT PROOF CONTROL C327 R359 220P 4 7K 67 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 8 B SIGNAL LINE MAIN CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE mand DEED XXX ES en POWER CIRCUIT PLAY_SW SCHEMATIC REMASTER DIAGRAM 13 0303 KTA1504G RTA PCONT RDS_DAT ami RDS_CLK CN301 EE_DAT EE_CLK C vrer _ FL RESET FAN Pf ara sa Q304 Q301 x oor Lea KTA1504GRTA find LS sl R348 is Loss lt STAT 10K R45
37. PM28EB SA PM28EG Displayed Key Causes and Troubleshooting REV operation starts even when FWD button is pressed Recording fails or starts when an erase prevention tab on cassette tape is broken off No playback when TAPE B button is pressed The motor operates when no cassette tape is inserted and TAPE button is pressed Tape playbacks and stops soon after TAPE gt button is pressed CD REST SW abnormal DOWN SW abnormal Loading Mode Mecha abnormal abnormal Slide operation abnormal DISC ioad abnormal DISC unload abnormi Cassette mchanism operates erratically TPS does not operate CD servo LS command signal Malfunction of cassette mechanism mode switch 5971 plunger and capstan motor Check and replace the parts Malfunction or short circuit of erase prevention detect switch 5975 Check and replace the parts Malfunction or short circuit of cassette mechanism tape detect switch 5972 Check and replace the parts Reel pulse problem Malfunction of photo interrupter 1C97 1 Check and replace the parts Malfunction of playback EQ recording amplifier IC 1302 Check and replace the parts CD traverse position initial setting operation failsafe counter 1000 ms waiting for REST SW to turn on Error No shall be cleared by force or duing coldstart During vertical operation going to the bottom position if failsafe timer is finished and swi
38. Q307 0308 DU REMOTE SENSOR 57 SA PM28E SA PM28EB SA PM28EG 1 501 COAABB000117 gt Exi DUAL OP AMP ESSA Q721 Q720 Q713 0712 MUTING SWITCH 0718 0719 MUTING SWITCH HP L R a Q501 VOLTAGE REGULATOR Q704 Q502 Q508 Q509 MUTING CONTROL STABILIZER SUB B VOLTAGE REGULATOR CURRENT LIMITING Q515 Q516 SWITCH DCDET DCDET 1 Q 1 503 0803 20 00006 23 REGULATOR 5 SWITCH FAN MOTOR SUPPLY 0705 SWITCH REGULATOR 79 47 O O a SYNC C2CBJF000007 1 302 MICROPROCESSOR of 21 MUTE_H u 28 MUTE_H 9 60 85 46 86 980 Q301 0303 Q302 DECK PCONT LED SUPPLY Ph DRIVER SWITCH SWITCH 06012602 06 58 SA PM28E SA PM28EB SA PM28EG RSN314H41A P POWER AMP HIC p 4ch DRIVER 17 16 15 12 1110 9 8 DET Im LOUT eu 22222 62224 Z lt Q717 0716 LCH MUTING b JK302 HIGH CH LCH E gt Or u 62 DCDET iya C C C 51 lt E Q519 gt MUTING ESSSS JK900 MUTE_H 0525 0 SWATCH SWITCH JK501 L503 AC INLET B VOLTAGE 4 REGULATOR 1 n s TO FL DISPLAY 0575 501 SIGNAL
39. REMASTER LAY_SW OCK_S EN_SW U OOOI D lo lt x e KEY LED Vss g a4 488 49 bs 6s o9 22 t m m 5 CD_RST N C RESTSW ECK_LED1 ECK_LED2 SEQ_LED E_LED 87 MOTOR 09 21090 VO Function Driver Chip Select Master erial Clock To FL Driver o5 Chip Select eset Input ACTIVE L udio Mute EPROM Chip Select m EPROM CLOCK EPROM DATA DC Detect Input Stock Switch CR16 CR16 ra P W s P n e e e L W D 2 2 S O 9 5 Bottom Switch CR16 Changer Motor 1 Reverse Control ain rmer Control Output lay S CR16 pen ositio itch CR16 hang tor 1 Forward Control hang tor 2 Reverse Control hang tor 2 Forward Control 8 for key tact switch eck M t mecha transition es 2 ZA 0 2i gt zz o X it wi r r r it Dimmer ON L Dimmer Off H L mute OFF H mute ON nsfo ch itch Swi Mo Mo Mo ch te a AM beatproof 1 output L BP1 H 2 inner Point Active Low OTOR Control Output OFF H ON r 202 94 1 02 PLUNGER eck PLUNGER Control Output OFF H ON Connect to GND g lt gt SA PM28E
40. Remove the speed up gear and hor belt Speed up gear Hor belt 26 Step 7 Remove the 2 hor relay gears and UD speed down gear No 2 Claw Claw Hor relay Timing gear plate Step 11 Timing gear plate Timing gear Step 12 Release the 2 claws and then remove the timing gear Step 8 and timing gear plate emove the main gear and main gear spring gees SN Step ea P Main gear ove the UD rack L to backward and then remove it SE Step 14 Remove the UD rack R Sen UD rack L 2 272 f HZ 1 2977 7 Step 9 Remove the change gear Step 10 Raise the change lever upright and pull it out of hook ini E e Change lever Change gear Gears 5 Load relay gear N ZAN 27 SA PM28E SA PM28EB SA PM28EG Step 16 Select speed Pull out the GENEVA gear loosen 2 hooks down gear of the bottom of mechanism base Hook Step 19 ull out the select drive gear loosen 2 hooks of the bottom of mechanism Then remove the select speed down gear Bottom side Bottom side Step 20 Step 17 Remove the select guide after sliding upside Remove the UD speed down gear No 1 and UD drive gear E gt UD drive gear e EN n 3 UD speed down o P NES gear No 1 Select quide Step 21 emove the hook the tray stopper with a minus s
41. advanced corner described on the items for disassembly procedures Select rack For preparation of gear for servicing perform the gt procedures as follows e In case of re servicing the same set the gear for servicing may be took off because it had been used So the gear for servicing must be stored 1 Remove the gear attached to top cover of CD loading mechanism Top cover Cut these portion to take the gear off 2 Insert the hexagonal wrench 2 5mm into the gear Gear for servicing jig Gear Hexagonal wrench Select rack J Step 2 Fit the mechanism unit base to select rack Mechanism Advanced unit base corner Preparation of gear as jig is completed 23 SA PM28E SA PM28EB SA PM28EG Step 5 Release the claw and then remove the speed up lock Step 3 elease 2 claws and then remove the top cover Top cover Step 4 Remove the open switch lever insert the tweezers between the mechanism base and disc tray and then up the disc tray Tweezers Step 6 raw out all dise tray completely Step 7 elease the both claws Minus screwdriver and then lift up the disc tray Push the open switch lever with minus screwdriver Open switch lever f Disc tray 24 SA PM28E SA PM28EB SA PM28EG Step 8 _ Dise tray 8 10 3 Replacement for the traverse deck 127 RS Follow the Step 1
42. gear with its marking hole upward At that time its triangle mark should be sideways UD drive el LIE Marking hole Triangle mark UD speed down gear No 1 Step 13 whos a White g UD speed down gear No 2 Insert the GENEVA gear with its marking hole upward Semi transparent and fix it by 2 hooks on bottom of mechanism base At that time UD drive gear mustn t be moved Marking hole 31 SA PM28E SA PM28EB SA PM28EG UD drive gear GENEVA gear NH I Marking hole Step 14 Install the 2 gears to mechanism base Gear While Step 15 Insert the UD rack R to 2 from arrow 1 NOTE Put a groove of the mechanism base to the UD rack H Grooves of mechanism base Groove of UD rack R UD rack 1 Trapezoid tooth UD drive gear Step 16 Align the trapezoid tooth of UD drive gear with long groove of UD rack L and then fix UD rack L in mechanism base Figure to see from the upper side UD rack L lt Triangle mark I Long groove of UD rack L Trapezoid tooth of UD drive gear 32 Step 17 Install the tray relay gear and 2 hor relay gears Tray relay gear Q Hor relay gears Hor relay gears White Tray relay gear White Step 18 Install the load relay gear to mechanism base Fit load relay gear with its big hole downward Load relay Load relay gear White
43. mechanism 20 8 8 Replacement for a traverse gear A and a traverse gear B 20 8 9 Procedure for removing CD loading mechanism 23 8 10 CR16 mechanism disassembly procedure 23 8 11 CR16 MECHANISM ASSEMBLY PROCEDURE 29 8 12 Disassembly for traverse mechanism 42 8 13 Handling of cassette tape jam 43 9 Self Diagnostic Display Function 777778 44 91 Preparallons He 44 9 2 Setting of the Self Diagnostic Mode 44 9 3 Restoring Normal Display 44 Page 9 4 Clearing Self Diagnostic Memory 44 9 5 Displaying Self Diagnostic Results 44 10 Precaution of Laser Diode 47 11 Procedure for Checking Operation of Individual Parts of Cassette Mechanism 49 11 1 Operation Check with Cassette Tape 49 11 2 Operation Check without Cassette Tape 49 12 Measurement And Adjustments ee 50 19 1 Tuner Secton HH 50 12 2 Cassette Deck Section 50 13 Block Diagram een 53 14 Schematic Diagram een 60 15 Printed Circuit Board
44. mmssemssiv 330 726 mmezrm7sT 727 swssomriozv n8 28 mwszrxiozr _ 72s jerssomws ssv 729 jmrssomws o2v jennsanasear s or 27m 1 _ 732 nM rss nM No Part No Part Name Description Remarks R734 2 2221 20 14 735 2 224 220K 1 44 R735 01 100 1 16 738 210827 6 8K 1 aw R736 ERJ3GEYJ101V 100 1 16W 2 1 680 1 4W ERJ3GEYJ682V 6 8K 1 16W ERDS2TJ822T 8 2 1 4 ERJ3GEYJ682V 6 8 1 16W 680 1 4W 15K 1 4W 6 8K 1 4W 5 6K 1 4W 10K 1 16W 1 2K 1 4W 4 7K 1 16W 15K 1 4W 39K 1 16W 6 8K 1 4W 5 6K 1 4W 1 2K 1 4W 1 5K 1 4W 1 5K 1 4W 18K 1 16W 3K 1 4W 3K 1 4W 2K 1 4W 10 1 16W 22 1 4W 5 6 1 16W 22 1 4W 2 1 4W 2 1 4W 2K 1 4W 7K 1 4W 22K 1 4W 100 1 16W 22K 1 4W 10K 1 16W 5 6K 1 4W 10K 1 16W 5 6K 1 4W 10K 1 16W 68K 1 4 1K 1 16 68K 1 4W 8 2K 1 4W 8 2K 1 4W 4 7K 1 4W 4 7K 1 4W 3 3K 1 4W 100K 1 4W 4 7K 1 4W 1K 1 4W 100K 1 4W 15K 1 4W 1 4W 220 1 4W 15K 1 4W 8 2K 1 4W 47K 1 4W 47K 1 4W 1 8W 100 1 4W 1 4W 1K 1 4W 100K 1 4W 100K 1 4W 5 6K 1 4W 5 6K 1 4W 2 n N a oo 3 R7
45. rs rss mcwvimioazwv o i 2v scwimioazwy loa 2v cre riimzz3aoi2 0 022 sov _ 7 0 01 25 m rs ripiwz23a012 0 022 sov css 10 17 rss mczivmicsesr 0 056 avv SA PM28E SA PM28EB SA PM28EG Ref Part mo Part amp Description remarks 799 29 ripiio1a0i2 pm erao jranmaona022 ior sov vao runciosaoes o iiev 0 47 sov crai 00 sov m o o47 17 m 0 01 sov ecuvasioazrv o i av eraa 0 01 sov ca scuvimissmmv o ois cras scwimioazev o i 25v O m sov m crac 2 ior sov cras rimucioanoes o iiev m rm sw scuvameranev _ zr o iiev m scwvimisammv 39005 sov m erso rimiciosaoes oa sev D si scancanzooxe je7s1__ rimcioanoes o iiev 0
46. winding lever is firmly inserted and the catch is hooked Note Fhe winding lever should be positioned as shown in the right figure SA PM28E SA PM28EB SA PM28EG Step 7 install the capstan belt temporarily as shown in the figure below Boss Capstan Belt Boss Capstan Belt Side View Note Keep the beit away from grease Step 8 Attach the sub chassis to the Nm cassette mechanism 1 Cassette Mechanism Unit Catch the capstan belt to the pulley of the capstan motor Boss Capstan Belt 8 5 Procedure for Replacing Parts on Mechanism PCB e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 3 of Item 8 2 Step 1 Step 3 Remove 3 catches to remove the 1 catch Mechanism Step 27 Remove the solders of the plunger terminal 18 8 6 Replacement for CD traverse deck e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 4 of Item 8 1 3 e Follow the Step 1 of Item 8 1 4 e Follow the Step 1 Step 7 of Item 8 1 5 Step 1 Move ribs at both sides to the arrow direction The vertical rack slides and the groove opens Bottom side Step 2 Remove CD traverse deck rotating to the arrow direction 19 SA PM28E SA PM28EB SA PM28EG SA PM28E SA PM28EB S
47. 0006 RESONATOR 1 x302 RSXD32K7S02 CRYSTAL OSCILLATOR OM x701 8 16 9804 CRYSTAL OSCILLATOR spray TUBE FL600 2 00000051 DISPLAY Fl 50801 0007 800MA FUSE Fs HOLDERS 2 FUSE HOLDER 1 svrs2BC rUSE HOLDER CTs FUSE PROTECTOR FP501 _ 5 402 0002 FUSE PROTECTOR FP502 K5G102AA0002 FUSE PROTECTOR Poors H303 K1YF08000003 8P WIRE HOLDER 307 RMRO320 11 WIRE HOLDER Lt 309 0318 9 WIRE HOLDER _ 503 K1YF06000002 6 WIRE HOLDER 601 cante 6018 RMR0313 CABLE HOLDER IM 604 RMR0321 12 WIRE HOLDER 605 RMRO316 7 WIRE HOLDER 16055 RMR0316 17 WIRE HOLDER 606 0316 7 WIRE HOLDER 51 608 RMR0312 3 CABLE HOLDER 6085 RMRO312 3 CABLE HOLDER JK101 RJH8304N ANTENNAE 78300 27 OPTICAL TERMINAL JK301 4 00036 JK RED BLACK SPEAKER 0302 4 0037 BLUE GRAY SPEAKER 303 RJH2213N 1 JK AUX IN JK900 RJJ37TK07 X HEADPHONE EO uw EARTH TERMINAL E501 SNE1004 2 EARTH TERMINAL E502 SNE1004 2 EARTH TERMINAL m w303 REXX0292 8P POWER PCB MAIN M 307 111200 11 MAIN DECK m W308B_ RWJ0102095ss_ 2P DECK cass EJECT 108 W309 RW
48. 001 792 dee EXER raisons ge d b 0068 m o10i jascaosespra mmawersron joio2_ 2sca0sespra__ rransrstor b1os 02 rmawsrsron m 2 11 0302 rmciozsra _ osos rmamsrsron m 0304 mmawsrsron sos krcrorsra osos _ m osos ercse7scrra rransrsron m osos rmcioisra mmauszsron m 106 030 101 TRANSISTOR 050 1 2026 TRANSISTOR Im 0502 xrA1046 TRANSISTOR 0505 KTA1267GRTA TRANSISTOR 1 0506 1046 TRANSISTOR 0508 1 KTC3199GRTA TRANSISTOR 0509 KRAllOMTA TRANSISTOR 0511 29D0592ARA TRANSISTOR 10515 erc3i99GrTa_ TranststoR 9516 xTC3199GRTA TRANSISTOR EM 0517 xrc32030YTA TRANSISTOR 10519 1 00006 TRANSISTOR 057 Bl1AAGCOO0006 TRANSISTOR 057 1 25C3940ARA 057 KRCIO2MTA Transistor 057 28B0621AHA TRANSISTOR 060 KmCll9STA TRANSISTOR 10601 1195 TRANSISTOR EM 10602 xmCiissTA TRANSISTOR EM 070 1 BlAACF000063 TRANSISTOR 1 970 28 1037 TRANSISTOR
49. 1 16 21202 ERJ3GEYJ1S2V 1 5K 1 16M 81203 ERJ3GEYJ183V leK 1 16W 5 R1204 ERJ3GEYJ103V 10K 1 16W R1205 sRJ3GEYJ222V 2 2K 1 16W 21206 sRJ3GEYJ104V 100K 1 4 1207 sRJ3GEYJ102V 1K 1 16W R1209 ERJ3GEYJl02V 1K 1 168 1210 ERJ3GEYJ333V 33K 1 44 R1302 ERJ3GEYJ471V 470 i 16W 21303 ERJ3GEYJ475V 4 7M 1 160M 0 81304 ERJ3GEYJ223V 22K 1 16W 1305 ERJ3GEYJ103V 10 1 160 1307 mRp25FVJ220T 22 1 aw R1308 25 220 22744 R1309 ERDS1FVJ471T 470 1 2W 1313 ERJ3GEYJl03V 10K 1 64 1314 ERJ3GEYJl02V 1K 1 168 21316 ERJ3GEYJ102V 1K 1 168 ma 21318 ERJ3GEYJ103V or 1 44 0 1319 ERJ3GEYJ123V 12K 1 1608 st 21320 sRJ3GEYJ104V 10 1 4 R1321 sRJ3GEYJA70V 47 1 16W 1322 p0GB8237A002 er 1 44 m 1327_ ERJ3GEYJA72V 4 7K 1 16 R1328 ERJ3GEYJIS3V 15K 1 64 R1329 ERJ3GEYJA72V 4 7K 1 66 _ 1330 ERD2FCVJAR7T 4 7 1 4aW R1331 ERJ3GEYJ752V 7 5K 1 16W 1332 sRJ3GEYJ103V or 1 160 1 R1333 ERD2FCVJAR7T 471446 a R1334 ERJ3GEYJ223V 20 1 64 21335 1527 1 5K 1 16M 1336 BRO3GEYgis2v 1 5K 1 66 81337 ERJ3GEYJ103V 10K 1 44 21338 ERJ3GEYJ472V 4 7K 1 44 R1341 ERJ3GEYJ471V 470 1 1608 R1342 ERJ3GEYJA73V 47K
50. 13 and 214 90702 ar pickup ladure Laser diode ING Switch to CD mode frost other modas Traverse deck or below Check Pin Crook Pin 24 CR u Remains at H 4 RE Be oF of IC70 0701 or optical pickup 2 2702 3 Changes Ira rao U 12703 tailure failure 700 failure heck Pin 11 Remains at H CUFLOCK ef ICT09 2 Changes from i Remains at 1 953 High impedance Check Pin 24 1702 e 4 setting from 1 88 _ High impedance Check the PL from Ping 1 je cf Spindie motor failure IC703 failure 90 SA PM28E SA PM28EB SA PM28EG 18 Type Illustrations of ICs Transistors amp Diodes BA5948FPE2 28 AN7326K 26P 22004 32P LA1833NMNTLM 24P LC72131MDTRM 20P C1BB00000747 42P C3ABMB000027 24 C1BB00000715 16P KTC3875GRTA KRC101STA KRC102STA KRC103STA KRC119STA 2SA1037AKSTX 28C2412KT96R 2SD2114K1V KRA102MTA KRC102MTA KRA110MTA 25 20585 25C2784FTA KTA1046 KTC2026 gt gt B1AAAC000011 B1AAAD000013 KTC3199GRTA RL1N4003S P Cathode s Z A Ca Cathode B3AAA0000583 MA729TX UDZSTE175R1B LNJ801TPSJA Cathode Cathode 4
51. 141 V1 6 8K 17101 LA1833NMNTLM IF amp MPXIC TUNER PILOT INQ PILOT OUTG S STRQ C123H 501 LCH PLLDA DO ST TO MAIN CIRCUIT 1A ON 15V DIAGRAM 5 DO ST sD 7 5V DET_OUT 64 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 5 E MAIN SIGNAL LINE Es CIRCUIT am AM FM SIGNAL LINE 022 PLAYBACK SIGNAL LINE SIGNAL LINE AUX SIGNAL LINE RECORD SIGNAL LINE DETOUT JK303 IM POWER CIRCUIT 1000P 54 C213 T CN503 ON SCHEMATIC X300 L303 DIAGRAM 14 L204 C346 H0H433400001 RLOBIO1JTD 901 GOC3R3JA0027 C300 SEV RCH SE R300 7 p Pua rum p PLLCLK PLLCLK E smo 1B ON HET i 15V BAGRAM G T lt 150 sp 0300 0301 TUNER7 SV lt RLINAGOSS P 4 DET_OUT DET_OUT R439 L C1BB00000715 0 RDS IC R438 OPTICAL 2 SEIN GND JK300 PGND PGND XH nov jet 77 MO10V TO DECK CIRCUIT 5 PE CN1304 ON SCHEMATIC DIAGRAM 12 W309 RE_LED SSEQ_LED RE_LED EJECT o0 92790092009 909909 94 8 0 909092003092309 09000059 5 PANEL CIRCUIT CN606 ON SCHEMATIC DIAGRAM 10 65 MAIN SIGNAL LINE
52. 37 R738 R738 R739 R740 bi wW Im Q 54 a 00 N 4 w Q Q to R742 R742 R743 R743 R744 R744 R745 R746 R747 R748 R749 ERDS2TJ122T ERDS2TJ153T s Q Q Ci gt t lt w Q bj a UJ w lt ERDS2TJ682T E N H a u a H R750 R751 R753 R753 R754 ERDS2TJ222T ERDS2TJ220T E to Ci D to N N H N R755 R756 R757 R758 R759 N FS n N N ERDS2TJ101T N ERDS2TJ562T ERDS2TJ562T ERJ3GEYOROOV ERDS2TJ393T 9 INI Td 3 amp iS i olo NIN 3 Q 5 8 N to 20 1 4W 1 4W w 111 SA PM28E SA PM28EB SA PM28EG Remarks R1101 zmJ3GEYJ270V 27 1 16 21102 1527 1 5K 1 16M R1103 er 1 64 21104 ERJ3GEYJ103V 10K 1 44 1105 ERJ3GEYJ222V 2 2K 1 64 1106 104 10 1 16W 1107 ERJ3GEYJ102V 1K 1 16W 82109 sRJ3GEYJ102V 1K 1 16W 1110 zmJ3GEYJ333V 33K 1 4 21201 ERJ3GEYJ270V 27
53. 4 A 100 g 9 l Q305 POWER CIRCUIT 2 9 CBLKCK ON CHEMATIC 0304 505 sw KRC101STA her SWITCH E BLKCLK i 1SS380TE 17 lt R351 C316 47K 50V2 2 2 M1_FOUT M1_ROUT L200 L400 RLQZR73MT T L401 RLQZR73MT T 2 E SERBAHEE ABB THEE 998 SE 69426499 X90 C 0C X0 Y CD GUGVG9GDOOOOS OE SWOSTSTO CD LOADING CIRCUIT POWER CIRCUIT CN1 ON CN504 ON SCHEMATIC SCHEMATIC DIAGRAM 16 DIAGRAM 14 68 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 9 C PANEL CIRCUIT SIGNAL LINE MAIN SIGNAL LINE FL600 2 00000051 FL DISPLAY SENSOR CIRCUIT su HH SCS ze HH wee Toor sees on t ix Ico S SEG35 L604 C606 ness ae m frost T RE Len FL RESET res T 5 El TACT SWITCH e CIRCUIT m o L EE D DIAGRAM 15 li lt R620 1 8K R619 1 2K R618 1K R617 K HEADPHONE L600 601 RLQB101JTD D HEADPHONE CIRCUIT 69 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 10 C PANEL CIRCUIT SIGNAL LINE MAIN SIGNAL LINE FL1 R600S 68 5 68 L603 lt GOC101JA0027 VP 602 UDZSTE176R8 03 3 VOL
54. 4EKA146 SWITCH Q1304 DTC143XKA146 SWITCH REC H Q1303 DTC143XKA146 SWITCH MAIN CIRCUIT 307 307 ON SCHEMATIC Sie DIAGRAM 6 KTA12710YTA SWITCH CN1303 R1341 R1374 470 470 9 1316 Q1314 25009650 DTA143XKA146 SWITCH SWITCH MOTOR SUPPLY 8 TAPE EJECT RGSD12A1445T RADA RESISTOR DECK MECHANISM TAPE EJECT NB13030R2A PHOTO INTERUPTOR CIRCUIT CIRCUIT 72 SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 13 B SIGNAL LINE SIGNAL LINE 5 MAIN SIGNAL LINE POWER CIRCUIT Q702 EU SACH 1 00063 100K SWITCH Q720 KTC3199GRTA AGC Q712 713 B1AAGCOO0006 MUTING SWITCH C726 727 16 10 E EG 50V0 33 EB R728 C730 R734 1K 50V3 3 220 100K 15V TGND C733 18V10 Bae TO 1840 55 0710 711 B1AAGCOO0006 MUTING SWITCH 100K R788 Ban a En CN301 E C731 R777 SCHEMATIC 50V3 3 220 DIAGRAM 8 H ra Fan CP501 R746 D700 704 5 vi BOAACKO00004 BEN Er EN C725 C724 3900P 3900P D526 527 BOAACK000004 D700 lt R743 1 2K N MAIN CIRCUIT CN302 ON SCHEMATIC DIAGRAM 8 R712 Q704 ay C713 716 Q704 50V0 33 E EG 16 10 EB MUTING SWITCH B1AAGCOO 1 000006 I MUTI
55. 5 RECORD BUTTON 20 RGUX0502 S AUX BUTTON 21 RYQX0092A S FUNCTION BUTTON UNIT 22 RGUX0505 S MANAGER BUTTON 23 79 8 VOLUME EM 24 300072 4 screw 25 00 CUSHION 26 RKF0479 1H cass HOLDER 27 107 uo 28 RGLX0075 LIGHT PIECE DIFF 29 6 CaBINET EM 30 4 6 SIDE PANEL LEFT m 31 RKMX0085 S PANEL RIGHT m 32 091 5 REMASTER BUTTON UNIT 33 1 43 support 34 850029 cass OPEN SPRING 0 35 20 LID OPEN SPRING 36 RMKX0070 INNER CHASSIS 37 17 Borrom CHASSIS m 38 0280 SINK SMALL 39 87577 CASS HALF SPRING 40 IRGpxo10sa s CASSETTE LID PANEL m 41 RGUxo524 s 508 BUTTON 42 RMBX0025 RETURN SPRING 1 43 2 SPRING EM 44 RMNX0103 508 CHASSIS 48 mar SINK UNIT 46 RYQX0083 S 5 SEQ UNIT 47 RMNX0106 FUNCTION LIGHTING PIECE IM XTB3 10JFZ SCREW 456 XTB348JFZ screw 5o 326 109 2 3 104 screw 53 screw 8 SCREW 55 RMR1350 K CLIP 56 4 LIGHTING PIECE COVER 1 57 6 cass LID 58 Rscx0079 1 REAR SHIELD PLATE
56. 6 1 5 R398 ERJ3GEYORO0V 01 6 R399 ERJ3GEYORO0V 01 68 R409 ERJ3GEYOROOV o 1 1089 Raro ERJ3GEYOROOV 01 68 11 ERJ3GEYJ103V 10 1 1608 2412 ERJ3GEYJ182V 1 8K 1 44 41 o 1 108 Rara ERJ3GEYJA72V 4 7K 1 16M 41 ERJ3GEYJ223V 22K 1 64 m 416 _ ERJ3GEYOROOV 01 66 R417 ERJ3GEYJIOlV 100 i 16W 418 ERJ3GEYJ333V 33K 1 44 0 R419 ERJ3GEYJ472V em 1 16W i420 mRJ3GEYJ822V S 2K 1 16W i421 ERJ3GEYJ682V 6 8K 1 16 R422 ERJ3GEYJIS2V 1 5K 1 16M 423 ERJ3GEYJ392V 3 9K 1 16M m R424 ERJ3GEYJ273V 27 1 16W 5 R425 ERJ3GEYJI22V 1 2K 1 66 428 ERJ3GEYJ102V 1K 1 16W R429 10 1 28 450 gRDSirvoioor 10 1 28 431 10 1 2M 8432 10 a aw R433 ERJ GEYORO0V 01 04 R434 mRJ GEYOROOV 01 09 5 R435 mRJ GEYORO0V o 436 ERg3GEVOROOV 01 8 437 ERJ6GEVOROOV 01 19 i438 ERg3GEvOROOV o 1 108 n439 zmJ3GEYORO0V 01 m 8440 ERJ3GEYJl02V 1K 1 168 441 ERJ3GEYORO0V o 1 16M R442 ERJ3GEYOROOV 01 68 4 ERJ3GEYOROOV 01 68 R445 ERg3GEVOROOV o 1 168 Rase ERJ3GEVOROOV 011 R447 sRJ3GEYORO0V o 1 16 448 zRJ3GEYORO0V 01 6 0 R449
57. A PM28EG 8 7 Replacement for optical pickup unit CD mechanism e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 2 of Item 8 6 Step 4 Remove the traverse deck JUN 2 Pin i Step 2 Widening the catch push the pin in Step 1 Pull out FFC ore 3 4 pi Note As floating springs 4 pieces come off at the same time be careful not to lose them Step 7 S Remove CD servo board tep 5 and turn it over Welding SH 0 Welding Step 6 Remove 4 welded parts of the motor terminal 20 SA PM28E SA PM28EB SA PM28EG Step 8 Pull FFC out from the Drive rack connector eT ui t 1 4 t 4 SN i i IT Rags RU al tz i215 h Insert a short pin into FFC of the optical pickup See Notice on handling of the optical pickup Remove the catch of the drive rack and take out the drive rack Step 9 Rotate the traverse deck B to the arrow direction and shift the optical pickup to the furthest backward Step 12 Place the convex part of an optical pickup to the concave part of a traverse base then take out the optical pickup Concave part of traverse base Convex part of 8 optical pickup uS Note Do not touch the lens of the optical pickup 21 SA PM28E SA PM28EB SA PM28EG 8 8 e Follow the Step 1 Ste
58. ACKING TRAVERSE MOTOR SPINDLE MOTOR DRIVE M701 TRAVERSE MOTOR M702 SPINDLE MOTOR 53 SA PM28E SA PM28EB SA PM28EG JK300 GB OPTICAL BLOCK BLKCK 1C702 MN6627931BD SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR DIGITAL FILTER D A CONVERTER 7 SUBCODE INTERFACE DRAM INTERFACE CTRL RAM 25 C3ABMB000027 50 5 16M DRAM ES 5 55 Eo lt 3 8 2 Stow 9 u pu a 5 2268 2 CD SIGNAL RCH DIGITAL FILTER 158 DAC LOGIC ANALOG LOWPASS FILTER FS CONVERTER DIGITAL OUT MICROCOMPUTER INTERFACE SPINDLE OUTPUT PORT 2 U Q R TRP p ruda O LDON 54 SA PM28E SA PM28EB SA PM28EG AM ANT FM ANT WV 2120 So S Heesg R69 G ANT Osc p L RCH OSC Ka Em AMP 08 D 1101 LA1833NMNTLM IF amp MPX IC TUNER 2102 LC72131MDTRM PLL IC TUNER PHASE DETECTOR REFERENCE CHARGE PUMP DIVIOER UNIVERSAL COUNTER SWITCH 9 Q106 E TUNER B SUPPLY GB FM TO CD DRIVE BLOCK SA PM28E SA PM28EB SA PM28EG LCH DECK 2 4 R P HEAD O IC1001 AN7326K 221 O IC1000 C1AA000006 12 ANALOG SWITCH LEVEL SWATCH DECK 2 01305 SWITCH
59. AR RHMO001 MAGNET RMEO363 LIMIT SPRING 0563 0619 1 0239 RMRO334 FIXTURE TRAY NO 4 RAY NO 5 2 2 0 321 w w w w w w w w w w w w w w w w w w w w w N ojojo N N 9o 1 328 330 5 331 1 31 2 31 3 3 4 33 33 337 JAGE w w w w w w w w w UJ t w N 41 3 342 RDG0527 UD PULLEY GEAR w w amp amp uw 45 w gt w A w gt 3 349 JAHE 353 5 w w w w w w aju an an gt 56 357 1 w w ejo w N JE w w w mib o 5 366 5 1407b Hl TRAY NO 0 2 1407 5 w o 8 102 Ref Part No Part Name amp Description Remarks 169 1408 BASE EM 370 1427 CHASSIS 371 mws0757 1 rp PIN 372 RMsO758 CHANGE GEAR SHAFT 37 RXG0053 TRAY DRIVE GEAR assy 99 7 m mm RXQ0999 mm 378 83 noAprNG moror assy m 379 84 moror assy m 0 381 6 382 RMCO472 TRAY SPRING EA 264 screw 83
60. DOWN UP B CD tray open close button 4 OPEN CLOSE 2 CD change button 4 CD CHANGE 48 Headphone jack PHONES ag Stop program clear and demonstration button STOP DEMO G Tuner band select button TUNER BAND 2 Cassette play button TAPE P play pause button CD 03 Disc direct play buttons CD 1 CD 5 SA PM28E SA PM28EB SA PM28EG FB 2 2 Buttons such as o function in exactly same way as the buttons on the main unit Q2 Auto off Sleep timer button AUTO OFF SLEEP 29 Disc button DISC GB CD Program tuner preset button PROGRAM Play mode select button PLAY MODE Use this for selecting CD play mode tune mode FM mode and AM beat proof function Repeat button REPEAT Delete button DEL GO intro button INTRO 39 Marker memory recall button MARKER G2 Shift button SHIFT To use functions labelled in orange While pressing SHIFT press the corresponding button For buttons AUTO OFF fOPLAY REC and REMASTER G3 Re master Super sound EQ button RE MASTER S SOUND 60 Play timer record timer Dimmer button OPLAY REC DIMMER 45 Clock timer display button _ CLOCK TIMER DISPLAY G5 Numbered character buttons 216 1 9 0 A Z SPACE s 87 Stop program clear button CLEAR GO Enter button ENTER search mode select button TITLE SEARCH 40 Muting button MUTING 4 Preset EQ Manual EQ button
61. ED GREEN OR GREEN YELLOW THIS PLUG IS NOT WATEHPROOF KEEP DRY 28 SA PM28EB SA PM28EG Before use Hemove the connector cover How to replace the fuse The of the fuse differ according to the type of AC mains plug figures A and Confirm the AC mains plug fitted and follow the instructions below illustrations may differ from actual AC mains plug 1 Open the fuse cover with a screwdriver Figure A 2 Replace the fuse and close or attach the fuse cover Figure M Fuse 68 ampere A Fuse O 5 ampere SA PM28E SA PM28EB SA PM28EG 5 Front Panel Controls Main unit Cassette Hd 2 Cassette open button 4 OPEN AC supply indicator AC IN This indicator lights when the unit is connected to the AC mains supply 4 Standby on switch POWER Press to switch the unit from on to standby mode or vice versa standby mode the unit is still consuming a small amount of power Aux button AUX Album jog control 63 09 ALBUM SKIP 7 button RE MASTER skip search tape fast forward rewind TPS tune preset channel select time adjust buttons p p A ta CD check button CD CHECK dcp trays Display 42 Recording start pause button H REC 4D Track jog control 524 TRACK SKIP Super sound EQ button S SOUND EQ iS Volume control VOLUME
62. EIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE Use of Caution Labels 47 SA PM28E SA PM28EB SA PM28EG Side of product z 5 A 5 LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT WHEN OPER Er ora REA A uma inside of produot Tuotteen Produktets innside 48 SA PM28E SA PM28EB SA PM28EG 11 Procedure for Checking Operation of Individual Parts of Cassette Mechanism Unit 11 1 Operation Check with Cassette Tape 1 Pull up the EJECT lever using a rubber band Cf Fig 6 2 Supply DC5V to MOTOR MOTOR rotates Cf Fig 5 3 Insert a cassette tape to the unit 4 Supply DC9V to the plunger and turn the power and OFF gt Power PL PL Cf Fig 5 a FWD PLAY Supply the plunger power in a flash ON approx 5msec b FWD FF Supply the plunger power in a flash at PLAY mode ON approx 5msec c STOP Supply the plunger power in a flash at FWD FF mode ON approx 5msec d REV PLAY Supply the plunger power in a normal timing at STOP mode ON approx 200msec e REV REW Supply the plunger power in a flash at REV PLAY mode ON approx 50msec f STOP Supply the plunger power in a flash at FF mode ON approx 50msec Repeat the operation gt FWD PLAY Note Other operation may start if a timing of supplying the plunger power is missed 11 1 1 Connection Status between Mechanism and Power Supply M
63. FC board When removing or connecting the short pin finish the job in as short time as possible 4 Do not turn the variable resistor laser power adjustment It has already been adjusted e Grounding for electrostatic breakdown prevention 1 Human body grounding Use the anti static wrist strap to discharge the static electricity from your body 2 Work table grounding Put a conductive material sheet or steel sheet on the area where the traverse deck optical pickup is place and ground the sheet Caution The static electricity of your clothes will not be grounded through the wrist strap So take care not to let your clothes touch the traverse deck optical pickup Caution when replacing the Traverse Deck The traverse deck has a short point shorted with solder to protect the laser diode against electrostatics breakdown Be sure to remove the solder from the short point before making connections Lens Flexible board not touch FPC f Handle it carefully No 5Pin GND No 4 Pin 4 0 Variable resistor Do not turn Figure No 7 1 P dir M ee E 5 Pit Figure No 7 2 SA PM28E SA PM28EB SA PM28EG 8 Disassembly and Main Component Replacement Procedures ATTENTION SERVICER Some chassis components maybe have sharp edges Be careful when disassembling and servicing 1 This section describes procedures for checking th
64. GENEVA gear hange lever G o gt ow Triangle mark of mechanism base Projection part of mechanism base Step 27 ove the select rack smoothly forward manually until 2 extreme points of both select track and mechanism base Select rack 35 SA PM28E SA PM28EB SA PM28EG Step 28 Install the main gear spring and hor drive gear Main gear spring Hor drive ge ar L 17 5mm CITITIIITII Hor drive gear White Step 29 Don t bring change lever into touch to projection part of main gear when fixing main gear in mechanism base Main gear Back side of main gear Projection part Change lever Step 30 After that turn main gear so that 2 holes inside main gear would be in alignment with mechanism base Main gear Mchanism base shaft SA PM28E SA PM28EB SA PM28EG Step 31 Install the hor speed down gear 2 hor speed down gear 1 hor pullry gear and reverse gear 4 Cy 3 Hor pulley gear C 2 hor speed down m ar 1 hor speed down gear 2 7 S ERAN Pit i 25 2mm Hor speed down gear 2 White Reverse gear Hor speed down White gear 1 26mm Semi transparent r Hor pulley gear White Step 32 Install the UD belt and hor belt NOTE 1 Take care not apply the grease to the belt 2 Install the belt without twist
65. HEEL F assy 127 RXF0062 FLYWHEEL assy 128 RXG0040 RELAY GEAR assy m 129 RMK0283A J SUB CHASSIS 136 RXLO124 PINCH ROLLER F assy 130 1 mMB0401 PINCH ARM SPRING F 232 RxL0125 PINCH ROLLER ASSY m 131 1 mMB0402 PrNCH ARM SPRING R a 132 RxL0126 WINDING ARM ASSY m 133 18500412 HEAD PANEL assy 133 1 RMB0405 FR ROD SPRING 133 2 RMMO132 FR RoD 134 REMO098 MOTOR assy 135 88226022 screw 136 xTW2 SL HEAD BLOCK UNIT SCREW 137 105 8 screw 138 2 7 PCB EARTH SCREW 139 280 MAIN CHASSIS ASS Y m 97 SA PM28E 5 28 SA PM28EG SA PM28E SA PM28EB SA PM28EG 20 2 CD Loading Mechanism CD Loading Mechanism Parts Location 20 2 1 98 SA PM28E SA PM28EB SA PM28EG 99 SA PM28E SA PM28EB SA PM28EG Q e n o tr 100 SA PM28E SA PM28EB SA PM28EG HOW s 22 S h j 2 4 ne ee AUTO X V lt OW 101 SA PM28E SA PM28EB SA PM28EG 20 2 2 CD Loading Mechanism Parts List Part Name amp Description TRAVERSE DECK ree RDG0522 GENEVA GEAR RDG0525 CROWN GEAR emarks 305 306 11 313 314 220532 GEAR 220535 SPEED DOWN GE
66. J273V 27K 1 16W 8130 ERJ3GEYJ103V 10K 1 16W i131 ERJ3GEYJ680V 68 1 16 R132 ERJ3GEYJ103V 10K 1 16W R133 ERJ3GEYJI02V 1 16 4 ERJ3GEYJA71V 470 1 16 135 ERJ3GEYJI02V 1 16W 18 ERJ3GEYJlO2V 1 16W i137 ERJSGEYJl02V 1 16 2138 ERJ3GEYJ332V 3 3 1 16W i139 ERJ3GEYJ223V 22K 1 16W m 8140 ERJ3GEYJ223V 22K 1 16W R141 ERJ3GEYJG82V 6 8K 1 16W m R142 ERJ3GEYJG82V 6 9K 1 168 R143 ERJ3GEYJ223V 22K 1 16 R145 ERJ3GEYJlO4V 100K 1 68 R146 ERJ3GEYJlO4V 100K 1 16W R151 ERJ3GEYJ820V 821 66 152 ERJSGEYORO0V 01 6 R211 ERJ3GEYJI03V 10K 1 16W m 2212 ERJ3GEYJI82V 1 8K 1 16 sd 2214 ERJ3GEYJA72V 4 7K 1 168 2215 ERJ3GEYJ223V 22K 1 16M 216 mmJ3GEYORO0V 01 68 R218 ERJ3GEYJ333V 33K 1 16W R219 ERJ3GEYJ472V 4 7K 1 16W R220 ERJ3GEYJ822V 8 2K 1 16W 2221 ERJ3GEYJG82V 6 8K 1 16 8222 527 1 5K 1 16 sd 2223 BRJ3GEYJ392V 3 9K 1 168 8224 ERJ3GEYJ273V 27K 1 16M 8225 ERJ3GEYJl22V 1 2K 1 160 8228 ERDSlFVJl00T 10 1 2W i229 ERDSlFVJl00T 10 1 2W R230 ERDSiFVJ100T 10 1 2W Ref No Part No Part Name Description Re
67. J3GEYJ472V 4 7 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ681V 680 1 16 ERJ3GEYJ334V 330K 1 16 1 16W ERJ3GEYJ223V 22 1 16W ERJ3GEYJ223V 22 1 16W ERJ3GEYJ472V 4 7 1 16W YJl101V J YJ153V 15 1 16W J YJ103V J102V ERJ3GEYJ102V bj Q bi a H o D lt 305 R306 R307 R308 R309 Q bi Q lt R311 R312 R313 R314 R315 bj Ld 8 Q 5 a H o Ix Q tg a H o 4 R317 R318 R319 R320 R321 bd td LAE w w 9 lt lt 2 w Q gt to R323 R324 R325 R326 R327 R329 R330 R331 R332 R333 bi m Im bj lt w w ala 14 gt Nib 44 m w amp amp w Q Q bl aq N w N w D lt lt w bi m Im Q d ERJ3GEYJ103V 1 16W ERJ3GEYJ471V 470 1 16 ERJ3GEYJ121V 120 1 16 ERJ3GEYJ101V 100 1 16W ERJ3GEYJ102V l r 1 16W ERJ3GEYJ102V 1 1 16W ERJ3GEYJ102V 1K 1 16W ERJ3GEYJl02V 1K 1 16W ERJ3GEYJ102V 1K 1 16W ERJ3GEYJ102V 1 1 16W ERJ3GEYJ101V 100 1 16 ERJ3GEYJ223V 22K 1 16 bd bi uu w w w bj bd ejeje KNININ 444
68. JlVB1H221K 220 50 ECJ1VB1H221K 220 50 ECJ1VB1H221K 220 50 RCJ1VB1H221K 220 50v CUV1H104KBV 0 1 50V 104 0 1 50V ECUVIHlO4KBV 0 1 50 CUVLH1O4KBV 0 1 50V ECEAQJKA101B 1 1 101 1 0 1D1H390A006 1 1 1 10 Bi in NIN w w n AAA P m H bi Q Q P m N N N H 5 olm 4 lt 503 C613 113 SA PM28E SA PM28EB SA PM28EG Remarks scmaozrassor 33 ev cro 33 17 sov mm cr02__ souvanarasev o 7 iov ros scmaozaioir 100 eros riumioaoooz o i sov 220 csv m cro o iiev eros scexammoos 10 eros rimuciosaoes o i ev cos 100 2v ros os zv mcwvicsssmsv 0 039 167 cro __ 1 o i sov cros murciaesin ssor iv __ 1 0 10005 sov emo scuvamer sev cro riimioaaoia 1000P sov cri scxcamioors 10 17 n0 cri jera2___ ripc272a010 270051 cria
69. LINES gt MAIN SIGNAL LINE SIGNAL LINE CD SIGNAL LINE Z gt PLAYBACK SIGNAL LINE E gt FM SIGNAL LINE OSC SIGNAL LINE CD DA AUDIO VIDEO SIGNAL LINE an RECORD SIGNAL LINE pat FM OSC SIGNAL LINE AM SIGNAL LINE um AUX SIGNAL LINE Indicates the Pin No of Right Channel NOTE Signal Lines are applicable to the Left Channel only 59 SA PM28E SA PM28EB SA PM28EG 14 Schematic Diagram All schematic diagrams may be modified at any time with the development of new technology Notes 1 Stock Switch 2 Play Switch 3 Bottom Switch 54 Open Switch 55 Change Switch 5600 Tape Eject Switch 601 CD1 Switch 602 CD2 Switch Tape Eject 603 CD3 Switch 604 CD4 Switch 605 CD5 Switch 5606 CD Play Pause Switch 5607 Tape Switch 608 Tuner Band Switch 5609 Track Up Switch 610 Track Down Switch 5611 Album Up Switch 612 Album Down Switch 613 Stop Demo Switch 614 Power Switch 615 AUX Switch 5616 Down Rew Switch 617 CD Check Switch 618 Up FF Switch 619 Rec Switch 620 Open Close Switch 621 CD Change Switch 622 Remaster Switch 623 SSEQ Switch 701 Reset Switch 971 Mode Switch 972 Half Switch 973 CR02 Switch 974 Recinh_r Switch 60 975 Recinh_f Switch e The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter high impedance and oscilloscope on the basis of chassis Accordingly there
70. NG SWITCH gt Ka RZ KTC3199GRTA Y SN MUTING SWITCH Y 100 IC503 COCAABE00006 IC502 BE CODAAHG00007 SWITCHING REGULATOR R784 K5G102AA0002 lt L702 RL1N40038 P RL sooosor y 202200001930 lt C708 1 D710 x 10V680 N 7 Mm Q705 0705 73 5 A PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 14 SIGNAL LINE SIGNAL LINE MAIN SIGNAL LINE By cower CIRCUIT CN503 TO Q703 B1AACF000063 me MAN RN iio SCHEMATIC 5 b 2 16500 DIAGRAM 5 0703 O r e 8 3 RSN314H41A P c 4 M g POWER AMP E502 Vs 9 2 H 3 2 HI_R lu J 4 H Y rs gt AN MAIN CIRCUIT H303 WV303 R762 5 6K SCHEMATIC DIAGRAM 8 ss r 0508 MTZJ15BTA lt tj c702 2707 BOAACK000004 8 ps x H Q519 Ill B1AAGCOO0006 MUTING SWITCH 0514 2SD0592ARA VOLTAGE REGULATOR 0515 516 KTC3199GRTA SWITCH DCDET KTC32030YTA VOLTAGE REGULATOR D517 BOBA5R6000016Z2 0501 D743 KTC2026 1DE3 E EG VOLTAGE REGULATOR 000085 EB 0541 0743 A 1DE3 RL1N40038 P R573 R572 560 9505 Remaster N KTA1287GRTA 16 10 REGULATOR
71. OSCOPE Fashion a loop of Tuning capacitor fully Headphone Jack 320 Z101 AM OSC Coil Adjust for maximum several turns of d Fabricate the plug as output i i shown in Fig 2 and then connect the lead wires of the plug to the measuring instrument Z101 AM ANT Coil Adjust for maximum several turns of Fabricate the plug as output wire and radiate shown in Fig 2 and then connect the lead wires of the plug to the measuring instrument 12 2 Cassette Deck Section 12 2 1 Requirements e Test tape QZZCFM QZZCWAT e Normal blank cassette tape QZZCRA e Digital frequency counter e Oscilloscope e Electrical voltmeter e Headphone jack output jig Cf Fig 8 12 2 2 Setting of Unit VOLUME 12 2 3 Preparations 1 Apply 8 1 Checking Main and Transformer P C B Deck P C B and Deck Mechanism P C B under 8 Disassembly and Main Component Replacement Procedures 50 SA PM28E SA PM28EB SA PM28EG 2 Remove 4 screws from the mechanism unit to disassemble Refer to 8 2 Procedure for Replacing Cassette Holder Step 1 under 8 Disassembly and Main Component Replacement Procedures 3 Connect the headphone jack output jig Cf Fig 8 to headphone jack Headphone Jack To ae f Electrical Voltmeter me Frequency Indicator Fig 9 12 2 4 Tape Speed Adjustment e Normal speed adjustment only during forward playback Product ref
72. Order No MD0304130C2 Service Manual WISE DIGITAL AUDIO SA PM28 Remote SB PM28 SB PM28 Control Transmitter Specification Amplifier Section RMS Power output 10 Total harmonic distortion 1 kHz both channels driven 35 W per channel 6 Q Low channel 8 kHz both channels driven 35 W per channel 6 Q High channel Total Bi Amp power 70 W per channel Input sensitivity AUX 250 mV Input impedance AUX 11 8 kQ FM Tuner Section Frequency range 87 50 108 00 MHz 50 kHz steps 1 8 IHF 1 5 pV 75 Q unbalanced Sensitivity S N 26 dB Antenna terminal s AM Tuner Section Frequency range 522 1629 kHz 9 kHz steps 520 1630 kHz 10 kHz steps Sensitivity S N 20 dB at 999 560 V m Panasonic CD Stereo System SA PM28E SA PM28EB SA PM28EG Color S Silver Type Cassette Deck Section Track system 4 track 2 channel Heads Record playback Solid permalloy head Erasure Double gap ferrite head Motor DC servo motor AC bias 100 kHz AC erase 100 kHz Recording system Erasing system Tape speed 4 8 cm s Overall frequency response 3 to 6 dB at Deck Out Normal Type I 35 Hz 14 kHz S N 50 dB A weighted 0 18 WRMS Approx 120 seconds with C 60 cassette tape Wow and flutter Fast forward and rewind times Section CD MP3 WMA 8 12 CD R RW Sampling frequency 44 1 kHz Decoding 16 bit linear Pickup Beam
73. PCB Step 3 Remove 2 solders of the motor terminal 16 Step 7 Remove the head block Step 5 gt e Release the catches to va remove the head connector 8 4 SA PM28E SA PM28EB SA PM28EG Procedure for Replacing Motor Capstan Belt A Capstan Belt B and Winding Belt Cassette Mechanism Unit e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 3 of Item 8 2 Step 3 Remove the sub chassis Head Connector Reiease the catches to remove the head connector Step 4 Remove the capstan belt Capstan Motor 2 ge 2 Sol Tape Facing Side Step 6 Remove the flywheel Ra She ang E ane 7 Release the catch on the tape facing side to remove the winding lever and spring Winding 80 0033 4 Step8 Remove the flywheel F 17 Installing Belt n 8 quide Step 1 The positions of boss and marking hole should be horizontal to each other 7 Step 2 Boss Install the winding belt temporarily as shown Step 3 in the figure above Attach the flywheel Step 4 Catch the winding beit on the flywheel F Winding Arm Step 6 Attach the flywheel Step 5 26 Install the winding lever and spring while the winding arm is pressed to the arrow direction Be sure that the
74. SA PM28E SA PM28EB SA PM28EG 10 Precaution of Laser Diode Caution This product utilizes a laser diode with the unit turned ON invisible laser radiation is emitted from the pick up lens Wavelength 780 nm Maximum output radiation power from pick up 100 uW VDE Laser radiation from pick up unit is safety level but be sure the followings 1 Do not disassemble the optical pick up unit since radiation from exposed laser diode is dangerous 2 Do not adjust the variable resistor on the pick up unit It was already adjusted 3 Do not look at the focus lens using optical instruments 4 Recommend not to look at pick up lens for a long time ACHTUNG Dieses Produkt enth lt eine Laserdiode Im eingeschalteten Zustand wird unsichtbare Laserstrahlung von der Lasereinheit abgestrahlt Wellenl nge 780nm Maximale Strahlungsleistung der Lasereinheit 100 WW VDE Die Strahlung an der Lasereinheit ist ungef hrlich wenn folgende Punkte beachtet werden 1 Die Lasereinheit nicht zerlegen da die Strahlung an der freigelegten Laserdiode gef hrlich ist 2 Den werkseitig justierten Einstellregler der Lasereinhit nicht verstellen 3 Nicht mit optischen Instrumenten in die Fokussierlinse blicken 4 Nicht ber l ngere Zeit in die Fokussierlinse blicken ADVARSEL dette apparat anvendes laser CAUTION THIS PRODUCT UTILIZES A LASER USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HER
75. SN3dO 6 8 4 9 9 r 6 L rs 87 SA PM28E SA PM28EB SA PM28EG 16 Wiring Connection Diagram 3 AC LED P C B SOLDER SIDE CD SERVO P C B SOLDER SIDE 42 531 CP1301 OPTICAL PICKUP DECK MECHANISM SOLDER SIDE M701 CN701 TRV MOTOR essen MOTOR M702 SPL MOTOR DECK P C B SOLDER SIDE CN1304 TACT SWITCH P C B SOLDER SIDE FM LOOP AM LOOP HIGH CH LOW CH ANTENNA ANTENNA SPEAKERS SPEAKERS JK302 JK301 303 303 SOLDER SIDE H309 HEN SOLDER SIDE HEADPHONE 9 HEADPHONE P C B G23 SOLDER SIDE W604 W308A 2 E SENSOR E TAPE EJECT P C B SOLDER SIDE T502 SUB TRANSFORMER 120V 60HZ H503 AN503 CP502 CN507A SUB TRANSFORMER POWER P C B SOLDER SIDE CD LOADING P C B SOLDER SIDE 4 AC TRANSFORMER P C B SOLDER SIDE LOADING MOTOR CN505 CN506 5 88 SA PM28E SA PM28EB SA PM28EG 17 Troubleshooting Flowchart CD Section Circuit rotation DK vts MV NO TOC reading YES Mol accessible LAY appears a display TOGA or below or na output Playing time appear on the display Output NG at approx yes 4 Von r No waveto
76. SOUND Qo oS 6 SA PM28E SA PM28EB SA PM28EG 6 Handling the Lead free Solder 6 1 About lead free solder PbF Distinction of PbF P C B P C B s manufactured using lead free solder will have a PbF stamp on the P C B Caution e Pb free solder has a higher melting point than standard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron In case of soldering iron with temperature control please set it to 700 20 F 370 10 C e Pb free solder will tend to splash when heated too high about 1100 F 600 C e When soldering or unsoldering please completely remove all of the solder on the pins or solder area and be sure to heat the soldering points with the Pb free solder until it melts enough SA PM28E SA PM28EB SA PM28EG 7 Handling Precautions For Traverse Deck The laser diode in the traverse deck optical pickup may break down due to potential difference caused by static electricity of clothes or human body So be careful of electrostatic breakdown during repair of the traverse deck optical pickup e Handling of traverse deck optical pickup 1 Do not subject the traverse deck optical pickup to static electricity as it is extremely sensitive to electrical shock 2 To prevent the breakdown of the laser diode an antistatic shorting pin is inserted into the flexible board FFC board 3 Take care not to apply excessive stress to the flexible board F
77. airs are completed restore power gradually using a variac to avoid over current Current consumption at AC 230 V 50 Hz in NO SIGNAL mode should be 300 mA 2 Protection Circuitry The protection circuitry may have operated if either of the following conditions are noticed e No sound is heard when the power is turned on e Stops during a performance The function of this circuitry is to prevent circuitry damage if for example the positive and negative speaker connection wires are shorted or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used If this occurs follow the procedure outlines below 1 Turn off the power 2 Determine the cause of the problem and correct it 3 Turn on the power once again after one minute Note When the protection circuitry functions the unit will not operate unless the power is first turned off and then on again 3 Accessories AC Main Lead For EB only Antenna plug adaptor For EB only AC Main Lead For E amp EG only AM Loop Antenna 1 pc FM Indoor Antenna 4 Caution for AC Main Lead For EB area code model only For your safety please read the following text carefully This appliance is supplied with a moulded three pin mains plug for your safety and convenience 5 ampere fuse is fitted in this plug Should the fuse need to be replaced please ensure that the replacement fu
78. ar 15975 Rsmia01s 20 s zar pee _ _ B2B __ 1 ise B2B comwmcron D censos 2 comwcron 05 00 4 commcron m 06 00 2 i commcron 2 censos 2 000 commcron D jewsoa_ ravi19woev er commcron kwsos 00016 7 commcron kwsos commcron 07 0 jap sranmer wis _ kweos 2 0095 122 commcron D wsos nzs2a4230 r sor commcron rasange ier commern nn kwr02 8382377347 03 mzsiaszii commcron 04 8709 commcron pee 24 ceso aap commeron m sso ise commcron m riso 2316052 commcron c 1902 rixaosmoooss commcron _ ragen 2 eos zmawsromums aoa 2202 mgemisxr ir com z200 onore corms z201 enore co
79. ate Gear of servicing Bottom side as jig Step 33 urn the separate lever 2 slowly toward left side until it clicks Gear of servicing Bottom side as jig Separate lever 2 37 SA PM28E SA PM28EB SA PM28EG Step 39 ix the left boss into the top groove of the UD rack L and Tix 2 bosses into the groove of the UD rack R Traverse mechamism Bosses Step 40 t that time fix separate lever 2 into the separate lever 1 Separate lever 2 Separate lever 1 38 Step 41 After the traverse mechanism fixed confirm the phase in order below 1 Check that 2 holes of both pitch plate and main gear is fitted Refer to Fig 1 If it s not fitted put the gear for servicing in the hole of the bottom side and adjust it Refer to Fig 2 2 Check that 2 holed of both pitch plate and speed up gear futted Refer Fig 3 If it s not fitted turn the speed up gear to adjust it Hole of main gear Fig 2 Fig 3 Gear for servicing Bottom side 38 19 3 In the cog of road gear the groove with it s cutting haltway set side ward Refer to Fig 4 Remove the traverse mechanism again when it is not set side ward and install it after adjustment of inserting position NOTE By this time do not adjust to rotate the road gear Road gear lg Fig 4 SA PM28E SA PM28EB SA PM28EG Step 42 After insertion of traverse mechanism pull the UD rac
80. computer Beat Proof Output DIVIN O i 20 Ul 0 N 2 CONTROL BYTE Input Connect to Ground CNVss EFP_CNVss Xcin Xcout RESET EFP_RESET Xout Sig ee SPs 412 Oo S Oo 01010 z D 912 34 232 NIN JQ O o oloi2 J4 sm es 5 5 5 2 NIN 2 e gt ol 5 8 Reset Input ACTIVE L 0 MHz Main Clock ound OV 0 MHz Main Clock C Failure Detect Input IC Mute Connection Connection Connection CHO MUTE Q 5 O R B s MUTE_H ECHO_CTL1 ECHO_CTR2 ECHO_CTR3 22 SP_DAT _MUTE W_LVL1 W_LVL2 222233 g S 0 Ale 222 gt gt z 5 5 5 x r 2 8151 10 5 3 3 zd g p 4 14__ 16 18 19 m s SA PM28E SA PM28EB SA PM28EG FL CS1 EFP RxD1 FL CLK EFP CLK1 CHIP SELECT MDATA OUT TATUS MCLK MLD FL RESET MUTE A EE CS EFP_ EPM EE CLK EE DAT RDS CLK RDS DAT PCONT EFP CE DCDET 3199 gt O OIPIO 56 lolo 31312 3 313 9 13 149 2 2 els ls O o z 9 5 9 5 2 8 5 gt z O
81. crewdriver Tray stopper 5 Minus screwdriver tep 18 Slide the select rack to the edge direction of the arrow 1 Push the claw and pull out to arrow 2 while sliding the select rack to the arrow 1 Tray stopper 28 Step 22 Remove the bottom of the tray lock lever with a minus screwdriver and others Tray lock lever li Minus screwdriver CR16 MECHANISM ASSEMBLY PROCEDURE The following specified greases and or oil must be applied when some specific parts are changed 1 Floil grease VFK1298 The floil grease must be applied to tray tray L and tray R 2 Hanarl oil VFK1700 The hanarl oil must be applied to any parts with grease other than the said parts Step 1 Install the tray lock lever to mechanism base 8 11 Upper side Law side Tray lock lever SA PM28E SA PM28EB SA PM28EG Step 2 ush the tray lock lever with a hand and install it Tray lock lever Step 3 Install the tray stopper to mechanism bese Tray stopper Step 4 Push the tray stopper with a hand and install it Tray stopper Step 5 Insert the select guide with a groove of the mechanism base and move it below Groove Select guide 29 SA PM28E SA PM28EB SA PM28EG Step 6 Step 9 Install the select soeed down gear to mechanism base Install the select rack to mechanism base Checking items before the installation Step 7 i 1 Check select guide is completel
82. e operation of the major printed circuit boards and replacing the main components 2 For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are described only when required 3 Select items from the following index when checks or replacement are required 4 Refer the Parts on the page of Main component Replacement Procedures if necessary Contents e Checking Procedure for each major P C B Checking for the Main P C B amp Transformer Checking for the Deck P C B and Deck Mechanism P C B Checking for the Panel P C B Checking for Headphone P C B AC Led P C B and Tact Switch P C B Checking for the CD Servo And CD Loading e Disassembly for CD Loading Unit e Disassembly for traverse mechanism e Main Component Replacement Procedure Procedure for Replacing Cassette Holder Procedure for Replacing Pinch Roller and Head Block Cassette Mechanism Unit Procedure for Replacing Motor Capstan Belt Capstan Belt and Winding Belt Cassette Mechanism Unit Procedure for Replacing Parts on Mechanism P C B Replacement for CD traverse deck Replacement for optical pickup unit CD Mechanism Replacement for a traverse gear A and a traverse gear B Replacement for disc tray Replacement for traverse deck Replacement of the power amplifier IC e Handling of cassette tape jam Warning This product uses a
83. erence value 3 000 90Hz 1 Connect a frequency indicator Cf Fig 12 2 Playback the middle portion of the test tape 3 Adjust the motor screw so that the following output level is produced Cf Fig 10 Adjustment Range 3 000 x 90Hz a constant speed Frequency Indicator Rech of Headphone Output Jig Fig 10 Motor Volume Fig 11 12 2 5 Bias Voltage Check 1 Connect an electrical voltmeter Cf Fig 9 Cf Fig 12 2 Set the function to TAPE position 3 Insert a normal blank cassette tape QZZCRA 4 While pressing and holding down REC H button press TAPE button to pause the recording mode Repeat pressing the buttons till the recording pause mode is activated 5 Check that the output level is within the standard range 51 SA PM28E SA PM28EB SA PM28EG Standard Range 14 4mV Fig 12 12 2 6 Bias Frequency Check 1 Connect a digital frequency counter Figure 13 2 Set the function to TAPE position 3 Insert a normal blank cassette tape QZZCRA and press REC mode main unit 4 Check that the output frequency is within the standard range Standard Value 98 8 kHz UNIT Digital frequency counter Fig 13 52 SA PM28E SA PM28EB SA PM28EG 13 Block Diagram RF ETTA GB i 1701 AN22004A NF OPTICAL PICKUP SERVO AMP 3 8 9 LASER POWER DRIVE 1 703 5948 2 FOCUS COIL TR
84. es the standard part e Reference for book languages are as follows Ar Arabic Cf Canadian French Cz Czech Da Danish Du Dutch En English Fr French Ge German It Italian Ko Korean Po Polish Su Russian Sp Spanish Sw Swedish Co Traditional Chinese Cn Simplified Chinese 95 SA PM28E SA PM28EB SA PM28EG Deck Mechanism RAA4402 S 20 1 Deck Mechanism Parts Location 20 1 1 138 MECHANISM P C B 96 20 1 2 Deck Mechanism Parts List Ref Part Part Name amp Description Remarks 412 peck __ j See 11 8 0071 HEAD BLOCK UNIT 103 030 REEL BASE GEAR 14 18060301 WINDING RELAY GEAR 205 mok0026 GEAR 107 0033 4 WINDING BELT ma 208 RDvoo34 1__ capsTan BELT A 10 80312 lt lt TRIGGER LEVER SPRING 211 RMB0400 REEL SPRING EM 212 RMB0403 1525 PANEL SPRING m 113 RMBO404 ROD SPRING 4 114 RMB0406 FR LEVER SPRING 115 40 SPRING 216 0 TRIGGER LEVER m 117 FR Lever 118 RMLO372 WINDING LEVER 119 RMLO374 LEVER 120 RMM0131 Brake ron 121 RMMO133 1 122 RMQ0519 REEL 123 mMs0398 1 woviNG CORE 14 ms70003 pPnLUNGER 125 SPRING 126 Rxr0061 FLYW
85. hould be serviced or repaired only by experienced professional technicians Any atternpt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death CONTENTS Page 1 Before Repair and Adjustment 4 2 Protection Circuitry rel 4 9 4 4 Caution for AC Main Lead men 5 5 Front Panel Controls 6 6 Handling the Lead free Solder 8 6 1 About lead free solder PDF lt lt 8 7 Handling Precautions For Traverse Deck 9 8 Disassembly and Main Component Replacement Procedures HM 10 8 1 Checking Procedure for each major P C B 11 8 2 Procedure for Replacing Cassette Holder 15 8 3 Procedure for Replacing Pinch Roller and Head Block Cassette Mechanism Unit een 16 8 4 Procedure for Replacing Motor Capstan Belt A Capstan Belt B and Winding Belt Cassette Mechanism Unit 17 8 5 Procedure for Replacing Parts on Mechanism PCB 18 8 6 Replacement for CD traverse 19 8 7 Replacement for optical pickup unit CD
86. ials amp Accessories Parts List No Part Part Name Description Rema pos PACKING MATERIALS EBD nds PACKING CASE 21 1151 PACKING CASE 22 0162 RPHV0001 MIRAMAT 0 0 11 ACCESSORIES i 1 7711060 REMOTE CONTROL m a1 1 64 23377 BATTERY COVER m 0019 2 CORD SF A VJA0733 AC CORD SF M EB A3 6 88 3 6889 O I BOOK Sp Ru Cz Po RoT6890 D O I BOOK Ge It Fr RSA0007 L RSA0033A 1 202000013 me 6891 0 1 BOOK Du Da sw IMI EG m D 115 SA PM28E SA PM28EB SA PM28EG 20 6 Packaging ACCESSORIES CASE A1 REMOTE CONTROL A2 AC CORD BOOK A4 FM ANTENNA WIRE A5 AM LOOP ANTENNA P2 A P2 P2 1 2 4 5 0001 28 MAIN UNIT N s P4 RPGX1008 P mu RPGX1009 PC 116 PRT0304 D E J N S A
87. k Tray drive gear on this side that each phase is OK and then lock the traverse mechanism Traverse mechanism UD rack 2 Tray drive gear ass y The top rib Tray drive gear Step 43 Install the tray drive gear to select guide Install the top rib of the tray drive gear with side ward The top rib NOTE Confirm the each phase surely before install the tray drive St ep 44 gear Refer to Step 41 de the tray gear shaft Tray drive gear ass y Tray gear shaft NOTE Be careful to handle it because the shaft is yet to fix until fixing top cover Select guide 39 SA PM28E SA PM28EB SA PM28EG Step 45 Step 48 Move the tray guide and L to direction of arrow Turn the traverse side 180 that fixed stopped it and install 5 pieces of disc tray Step 49 While install the tip of speed up lock beween tray No 1 of the most lower side and pitch plate Tor the time being Do not to insert the cog of speed up gear insert it to boss NOTE At that time do not move the tray See the tray the most front side Step 46 onfirm that when the disc tray insert the upper side the speed up gear is rotate clockwise a little When the rotation of speed up gear is not clockwise or rotate repeat from Step 45 Until the speed up gear rorate repeat from Step 45 and 46 NOTE While keeping all postion install 5 pieces of disc tray Speed up gear
88. laser diode Refer to Precaution of Laser Diode ACHTUNG e Die Lasereinheit nicht zerlegen e Die Lasereinheit darf nur gegen eine vom Hertsteller spezifizierte Einheit ausgetauscht werden 10 SA PM28E SA PM28EB SA PM28EG 8 1 Checking Procedure for each major P C B 8 1 1 Checking for Main amp Transformer P C B Q x2 Step 3 Remove all the screws Step 4 Remove side panel Step 1 Remove all the screws Step 2 Remove side panel e Checking for Transformer P C B Transformer P C B e Checking for Main P C B Main 11 SA PM28E SA PM28EB SA PM28EG 8 1 2 Checking for Deck P C B and Deck Mechanism P C B Follow the Step 1 Step 4 of Item 8 1 1 Step 1 Remove one screw at the rear chassis e Checking for Deck P C B and Deck Mechanism P C B Step 2 Release claws at both ends and lift up the Deck Deck P C B Mechanism Top unit Deck Mechanism P C B Claw 8 1 3 Checking for Panel P C B e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 Step 1 Release connector CN1303 amp CN1304 Upset the Top cabinet Top cabinet 5 x2 Step 3 Remove 2 screws CNS05 Step 2 Release 2 claws Disconnect CN505 amp CN506 12 SA PM28E SA PM28EB SA PM28EG Step 4 Push front panel forward as arrow shown Panel B Step 5 Reconnect CN1303 CN1304 CN505 and CN506 for checking operation f
89. m 1203 20980000019 moueron z204 cors z300 socsmizaoo cors z301 wr cmoxs com 1303 Rros1017r0 D_ ImDueror zaoo onore corms com nmwcron Leo nmvcron 27 00 nmwcron 1603 jeoczozaa0027 com cocamasa0027 cors 1702 608200001 enore Los com core com Lisoi eras ocs com CHOKE cor pc 502 002 BACK UP TRANSFORMER IE commas zio 2102 aw ziao mwizzsosrr pace SA PM28E SA PM28EB SA PM28EG Ref Part Part Name Description Remarks 2601 B3RAB0000012 REMOTE SENSOR m f 2971 RGSD12A1445T RESISTOR x O CERAMIC FILTERS 002 CF201 J0B1075A0086 CAPACITOR u RL501 RSY0040M 0 fOSCILLATORS CRYSTAL OSCILLATOR D _ x103 720400005 CRYSTAL OSCILLATOR x300 433400001 CRYSTAL OSCILLATOR m 301 H2A10050
90. marks 231 10 1 28 8300 ERJ3GEYJ472V 4 7K 1 64 R301 ERJ3GEYJ103V 10K 1 16 R302 ERJ3GEYJI02V 1 168 R303 ERJ3GEYJ102V 1 16W ERJ3GEYJ104V 100 1 16W ERJ3GEYJ102V 1 1 16W ERJ3GEYJ103V 10 1 16W ERJSGEYJ101V 100 1 16 ERJ3GEYJ101V 100 1 16 ERJ3GEYJ103V 10 1 16W ERJ3GEYJ103V 10 1 16W ERJ3GEYJ103V 10K 1 16W ERJ3GEYJ222V 2 2 1 16W ERJ3GEYJ101V 100 1 16W ERJ3GEYJ101V 100 1 16 ERJ3GEYJ101V 100 1 16 ERJSGEYJ101V 100 1 16 ERJ3GEYJ101V 100 1 16W ERJ3GEYJ101V 100 1 16W ERJ3GEYJ101V 100 1 16 ERJ3GEYJ101V 100 1 16W ERJ3GEYJ101V 100 1 16W ERJ3GEYJ101V 100 1 16 ERJ3GEYJ472V 4 7K 1 16W ERJ3GEYJ472V 4 7K 1 16W ERJ3GEYJ473V 47 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ101V 100 1 16W ERJ3GEYJ102V 1 1 16W ERJ3GEYJ474V 470 1 16W ERJ3GEYJ103V 1 16W ERJ3GEYJ474V 470 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ102V 1K 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ472V 4 7 1 16W ERJ3GEYJ472V 4 7K 1 16W ERJSGEYJ101V 100 1 16 ERJ3GEYJ101V 100 1 16W ERJ3GEYJ101V 100 1 16W ERJ3GEYJ103V 10K 1 16W ERJ3GEYJ103V 10 1 16W ERJ3GEYJ103V 10 1 16W ERJ3GEYJ103V 10 1 16W ERJ3GEYJ103V 10 1 16W ERJ3GEYJ103V 1 16W ERJ3GEYJ103V 10 1 16W ERJ3GEYJ681V 680 1 16W ERJ3GEYJ473V 47 1 16W ERJ3GEYJ473V 47 1 16M ER
91. may arise some error in voltage values and waveforms depending upon the internal impedance of the tester or the measuring unit No mark Playback CD lt gt Importance safety notice Components identified by A mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list Caution IC LSI and VLSI are sensitive to static electricity Secondary trouble can be prevented by taking care during repair e Cover the parts boxes made of plastics with aluminium foil e Put a conductive mat on the work table e Ground the soldering iron e Do not touch the pins of IC LSI or VLSI with fingers directly SA PM28E SA PM28EB SA PM28EG SCHEMATIC DIAGRAM 1 As SERVO CIRCUIT B SIGNAL LINE CD SIGNAL LINE OPTICAL PICKUP UNIT 2SA1037AKSTX LASER POWER DRIVE xx EIE C705 10 1 EM gt C707 0 039 i 9 RFIN AGC EQS RFOUT an HPF AMP lt IC70 AN22004 SERVO AM gt NF TORE e L N 88538 2 g R731 IC703 22K 5948 2 SPINDLE MOTOR DRIVE M701 TRV MOTOR 61 SA PM28E SA PM28EB
92. mu jar ar ihe top and bottom balances of E 2 wavelonms are distorted FEOUT of IC7OL 77 gee E of wavetorns are leveled equally NG Fins 4 Zand Bat NER dubbing ger CD QR C Pin 86 of C702 3 Top and bottom j Pins 73 and 78 x gt Pin 2 eo ja gt lt Pin 27 of C702 wo No output C702 failure Check the unit Snapping at R727 kter R749 18k 89 SA PM28E SA PM28EB SA PM28EG Remove camper ta taet dige Switoh te rode Fom other modes Ne movement fnovement of Moves to inner direction and then 2 tomm Ro outer direction Cms moves Upp anddown _ Check the position of optical eus or center cut T ep 9 lt Pins 18 and Dome Check Pin 2 of It gil Check Pin 2 of 16 010703 ENTOR Laser Er i alure orsnapping 0 4 or ee cen j Optical gickup fadure inner swilch 8701 failure or anapping Check the bat end voltages at NT p 0 23 or below lt Check the both end RoI DEN or above i Q4Vorabove Optical pickup failure UU Dreck 0 8V or above between 910701 Check Pins
93. o1109290xx WIRE MAIN DECK m 505 290 6 TRANS PANEL 4 W601 RWJ1104260XX ap WIRE 1 604 REXX0294 12 BTN PANEL W605 RWJI107160XX 7 WIRE H P PANEL m 606 RWJ0207130XX 7 PANEL TRANS m 1903 RWJ0102050KR moror WIRE EM et ee eee 30 RgS1a5502__ CABLE HOLDER I mESISTORS Da R102 ERJ3GEYJA72V 4 7K 1 16 0 R103 BRI3GEYI101v 100 116 0 2104 1 10 1 16M 0 R105 ERJ3GEYJ471V 470 1 16M 8106 ERJ3GEYJ474V 470K 1 16W 8107 ERJ3GEYJ331V 330 1 16W R108 ERJSGEYJ474V 470K 1 16W R109 ERJ3GEYJ331V 330 1 16W 8110 ERJ3GEYJ102V 1K 1 16 111 ERJ3GEYJ391V 390 1 169 R112 ERJ3GEYJIO4V 100K 1 168 R113 ERJ3GEYJl03V 10K 1 16M R114 ERJ3GEYJS62V 5 6K 1 16W 8115 ERJ3GEYJS61V 560 1 16W 116 ERJ3GEYJ102V 1K 1 16 8117 ERJ3GEYJG83V 68K 1 16W 8118 ERJ3GEYJ332V 3 3K 1 16 sd R19 ERJ3GEYJ123V 12K 1 16M 2 R120 ERJ3GEYJA73V or 1 16M 8121 ERJ3GEYJ223V 22K 1 16M m 12 ERJ3GEYJ272V 2 7K 1 16W i123 ERJ3GEYJ683V 68K 1 16 R124 ERJ3GEYJ330V 33 1 169 R125 ERJ3GEYJA71V 470 1 16W 2126 ERJ3GEYJ102V 1K 1 16 sd R127 ERJ3GEYJA71V 470 1 16M R128 ERJ3GEYJ820V 821 168 m R129 ERJ3GEY
94. or main unit e Checking for Panel P C B 8 1 4 Checking for Headphone P C B AC Led P C B and Tact Switch P C B e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 4 of Item 8 1 3 Step 1 Disconnect CN308 and CN606 CN606 CN308 e Checking for Headphone AC Led amp Tact Switch P C B pop Switch 8 1 5 Checking for CD Servo amp CD Loading e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 4 of Item 8 1 3 e Follow the Step 1 of Item 8 1 4 Step 1 Remove FFC and connector CN310 Fan unit Step 3 Pull the back cabinet backward Step 4 Remove all screws 13 SA PM28E SA PM28EB SA PM28EG Step 5 x2 Step 7 Remove 2 screws Upset the CD Unit sideway e Checking for CD Servo P C B and CD Loading P C B CD Servo CD Loading F C B ee Step 5 x2 Step 5 Remove all screws Step 6 Lift up the middle unit as the arrow shown above 8 1 6 Replacement of the Power Amplifier IC e Replacement of the Power Amplifier IC e Follow the Step 1 Step 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 1 2 e Follow the Step 1 Step 4 of Item 8 1 3 e Follow the Step 1 of Item 8 1 4 e Follow the Step 1 Step 7 of Item 8 1 5
95. otor Plunger Plunger Motor x7 DC 9V The lead at the positive side is cut off and is Ol manually turned on and Rear View of Mechanism Unit Fig 5 11 1 2 Operative Parts of Mechanism Unit EJECT lever fitted with rubber band Plunger Rib operation EJECT Lever Fig 6 11 2 Operation Check without Cassette Tape 1 Pull up the EJECT lever using a rubber band Cf Fig 6 2 Supply DC5V to MOTOR MOTOR rotates 3 Lift up the mechanism unit s plunger rib with the tip of a negative screwdriver and operate the unit in the same timing as supplying the power Cf Fig 7 49 SA PM28E SA PM28EB SA PM28EG Plunger Rib Fig 7 12 Measurement And Adjustments 12 1 Tuner Section 12 1 1 AM IF Alignment AM IF ALIGNMENT SIGNAL GENERATOR OR SWEEP RADIO DIAL SETTING INDICATOR ADJUSTMENT Shown in GENERATOR ELECTRONIC Fig 3 CONNECTIONS FREQUENCY VOLTMETER OSCILLOSCOPE Fashion a loop of 450 kHz Point of non Headphone Jack 320 7102 AM IFT Adjust for maximum several turns of wire interference on about Fabricate the plug as output and radiate signal 600 kHz shown in Fig 2 and then into loop of receiver connect the lead wires of the plug to the measuring instrument e AM RF ALIGNMENT SIGNAL GENERATOR OR SWEEP RADIO DIAL SETTING INDICATOR ADJUSTMENT Shown in GENERATOR ELECTRONIC Fig 1 CONNECTIONS FREQUENCY VOLTMETER OSCILL
96. p 4 of Item 8 1 1 e Follow the Step 1 Step 2 of Item 8 6 e Follow the Step 1 Step 12 of Item 8 7 Step 1 Rotate the traverse gear to the arrow direction and shift the optical pickup to the furthest backward 2 Optical pickup insert a fine edged flat head screwdriver into the hole of CD servo board and push the catch of the traverse gear B then pull the traverse gear B out Note Be careful not to break the hook of the traverse gear B 22 Replacement for a traverse gear A and a traverse gear B Step 3 Remove the traverse gear B Step 4 COD Remove the traverse gear pox Note i Do not use the removed traverse gear B anymore Surely replace with a new one SA PM28E SA PM28EB SA PM28EG 8 9 Procedure for removing CD loading mechanism 1 Turn off by pressing power SW in the body 3 Disassemble the body and take out CD loading 2 Unplug AC power cord after the indication of GOOD BYE mechanism then disassemble the body 4 Perform disassembly according to the following procedure for disassembly 8 10 CR16 mechanism disassembly procedure 8 10 1 Gear for servicing information 8 10 2 Replacement for the disc tray e This unit has a gear which used for checking items Step 1 open close of disc tray up down operation of traverse unit otate the gear for servicing and move the select rack by manually when servicing For gear information that is to
97. se has a rating of 5 ampere and that it is approved by ASTA or BSI to BS1362 Check for the ASTA mark e or the BSI mark lt on the body of the fuse the plug contains removable fuse cover you must ensure that it is refitted when the fuse is replaced you lose the fuse cover the plug must not be used until a replacement cover is obtained replacement fuse cover can be purchased from your local dealer CAUTION IF THE FITTED MOULDED PLUG iS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OFF SAFELY THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED INTO ANY 13 AMPERE SOCKET new plug is to be fitted please observe the wiring code shown below IF in any doubt please consult a qualified electrician IMPORTANT The wires in this mains lead are coloured in accordance with the following code Blue Neutral Brown Live As these colours may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured Blue must be connected to the terminal which is marked with the leiter N or coloured Black or Blue The wire which is coloured Brown must be connected to the terminal which is marked with the letter L or coloured Brown or Red WARNING DO NOT CONNECT EITHER WIRE TO THE EARTH TERMINAL WHICH IS MARKED WITH THE LETTER E BY THE EARTH SYMBOL OR COLOUR
98. source Wavelength Semiconductor laser 780 nm Stereo 20 Hz 20 kHz 1 2dB Below measurable limit Number of channels Frequency response Wow and flutter 2003 Matsushita Electronics S Pte Ltd All rights reserved Unauthorized copying and distribution is a violation of law SA PM28E SA PM28EB SA PM28EG Digital filter 8 fs D A converter MASH 1 bit DAC MP3 Bit rate 32kbps 320 kbps Sampling frequency 32 kHz 44 1 kHz 48 kHz WMA Sampling frequency 32 kHz 44 1 kHz 48 kHz General Power supply For EB only AC 230 240 V 50 Hz For E amp EG only AC 230 V 50 Hz Power consumption 130 W Power consumption standby mode Approx 0 6 W 179 x 247 x 378 mm 5 4 kg Dimensions W x H x D Mass System System SC PM28 Music Center SA PM28 E Speaker SB PM28 P Music Center SA PM28 EB Speaker SB PM28 P Music Center SA PM28 EG Speaker SB PM28 EG System SC PM28 EB System SC PM28 EG Notes 1 Specifications are subject to change without notice Mass and dimensions are approximate 2 Total harmonic distortion is measured by the digital spectrum analyzer A WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity s
99. tch no change or switch target condition was not achieve this error shall be memorized The next time mechanism operates it shall do mechanism initialization Error No shall be cleared by force or coldstart During mehca initialization Loading mode mechanism abnormal normal operation cannot be achieved The next time mechanism operates it shail do mechanism initialization Error No shall be cleared by force or coldstart CD function DTMS command after system setting if SENSE t cannot be detected Memory shall contain F26 code After Power on CD function shall continue error shall occur NO DISC Error No shall be cleared by force or coldstart During vertical operation if failsafe timer is finished and switch no change or switch target condition was not achieve this error shall be memorized Next time mechanism operates it shall do coldstart Error No shall be cleared by force or coldstart While going to play position if failsafe counter is finished and switch no change or switch target condition was not achieve this error shall be memorized Next time mechanism operates it shall do coldstart Error No shall be cleared by force or coldstart While going to play position if failsafe counter is finished and Switch no change or switch target condition was not achieve this error shall be memorized Next time mechanism operates it shall do coldstart Error No shall be cleared by force or coldstart 46
100. tion niches on both Sides A Press TAPE P button to activate the TPS operation so that the tape automatically stops at an interval between music selections 3 Press CLEAR and TAPE P buttons together the remote controller Recording does not start 4 Then insert a Cr02 positioned blank cassette tape with an erase prevention niche of Side or set to the left side 44 SA PM28E SA PM28EB SA PM28EG 5 Press FF wei button The tape will be forwarded and automatically stop after two seconds 6 Remove the cassette tape and set the other side 7 V REW 144 button The tape will be rewound and automatically stops after two seconds 8 Press M DEMO button the unit If an error is found a self diagnostic key appears on the display If several errors are found the display shows these keys when DEMO button is pressed repeatedly Ex H01 H02 01 01 If no error is found only the message CD TEST appears the display 1 TPS operation music search detects the blank sections between music selections Therefore do not use tapes with the following conditions e A blank section that lasts only 4 seconds or less e No blank sections recording through microphones etc e Music selections that have extremely low pitches or prolonged silent sections such as classical music e and or Music recorded with fade in out effect 45 SA PM28E SA
101. tput GE P polarity output M LE Focus drive output negative 2 polarity output 29 j supply for VO 30 TBAL Tracking balance adjustment output 31 FBAL Focus balance adjustment output 32 FE Focus error signal input analog input analog input 34 RFENV RF envelope signal input analog input 35 OFT Off track signaL input High Off track 36 NRFDET RF detection signal input Low detection 37 BDO Dropout signal input High Dropout 38 LDON Laser ON signal output High ON 39 signal input IREF Reference current input 41 ADPVCC Voltage input for supply voltage monitor analog input DSLF lO 51 loop filter 43 RFSW DSL loop filter DRF 4 JPLLF PLL loop filter PLLFO loop filter 46 AVDD2 Power supply for analog circuits for DSL PLL and A D 47 AVSS2 Ground for analog circuits for DSL PLL and A D OUTL lO L ch audio output 49 AVSS1 Ground for analog circuits for audio output stage 5 audio output AVDD1 Power supply for analog circuits for audio output stage 52 jvsss Ground digital circuits 53 5 Power supply for digital circuit 54 2 Testinputpin Low Normal 55 Flag signal output 5 2 5s EXT Micro controller clock signal input Latches data at the rising edge Micro controller command data signal input Micro controller command
102. utput 22 FEN Amp inverting input terminal 2 FEOUT FE amp output terminal 24 terminal 2 FBAL control terminal 26 TBAL control terminal 27 E 10 Tracking signal input terminal 1 28 _ Tracking signal input terminal 2 9 2 0 Tracking signal input terminal 4 30 0 Tracking signal input terminal 2 31 0 Tracking signal input terminal 3 32 0 Tracking signal input terminal 1 19 2 702 MN6627931BD Servo processor Digital signal processor Digital filter D A converter HPFDET 12 OFTCNT E MENS UE UT 16 2 0 3 5 0 Function Power supply for DRAM interface Pin 2 to 19 and 80 DRAM CAS control signal 10 RAM address signal 8 D DRAM address signal 7 DRAM address signal 6 D D Q O IM aD 2 a RAM address signal 5 RAM address signal 4 DRAM address signal 9 DRAM address signal 0 vO Function DRAM address signa A2 0 j bRAMaddresssignal2 As 0 DRAM address 023 Ground for digital circuits Power supply for digital circuits e output absolute value output E e Traverse output positive polarity output p 7 Traverse drive output negative polarity output ac polarity output negative polarity ou
103. y in lowest position Install the select drive gear to mechanism base 2 Check its phase of select drive gear is correct Select speed bown gear s Select drive gear position Rectangle Trianguler mark Refer to Step 8 1 Put a select rack down with it fitted to its circumference of mechanism base Select guide 2 Slide the select rack with it s pushing to a little right direction and install it Select speed down gear U White Select drive gear White Step 8 Fit a mechanism base marking to the rectanguler mark of gear so that the triangle mark can indicate the sideward direction Rectanguler Triangle mark Js y Mechanism base marking Select drive gear Select rack 3 Check whether its end of triangular mark is in first groove of select rack after fixing 4 Alter insertion of select rack continue the following work until the indication that it gose forward And all the while it must be checked that select rack is in the extreme end 30 SA PM28E SA PM28EB SA PM28EG 5 After insertion the select rack the marking of select Step 11 gear has a little gap when it is in the extreme end Install the UD drive gear to mechanism base Le UD drive gear Step 10 Install the UD speed down gear No 1 and UD speed down gear No 2 UD speed down CM UD speed down gear 2 gear No 1 UD drive gear White Step 12 Insert the UD drive

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