ffh-286a/ad, fe-286e
Contents
1. 12 CARNE IV oz te it RC C243 Ll MODE A P5 R363 SOL B C244 112 MODE B 03 R364 SW501 JK201 C245 110 MODE B P5 R365 SW502 FIP 301 MIC JACK C246 M10 MOTOR L3 R368 SW503 Boos C247 1 POR ES R371 SW504 gt 1 C248 M11 OPEN H5 R372 SW505 C249 M11 OW201 M11 R373 SW506 7 S 8 S SIR RIS 8 C250 N11 PB MUTE S R374 SW507 u C282 111 PB MUTEN9 R375 SW508 11 x C283 M11 PLL_CE 16 R378 SW509 C284 O10 09 R379 SW510 pees ae SH C285 111 PLL_CLKI6 R381 SW511 a 3 C286 M11 PLL_CLK09 R382 SW512 29 C287 K10 PLL DI 17 R383 SW513 gg tet s C301 K9 PLL DI O9 R384 SW551 x lx x x x Veen END C302 8 DO 16 R385 SW552 EE 22222 T MIC C303 J10 PLL DO 09 R386 SW553 EE bio PM E 0E GERE C304 JO PN203 M10 R387 SW554 315 515131212 131515151313131 31315 OPTION C305 J8 301 R388 SW555 12121 212121 2 215 DL LL LL LL LL LL C306 B9 PN320 P4 R389 SW556 E FROM MAIN PCB C307 B7 PWR_CTRES R390 SW557 PN3oT C308 J6 CTRI8 R391 SW558 TO PCB T FS RDS SIG ww C309 J6 P SAVE G5 R392 SW559 155133 e ner C3102. o ows cos 0022 C275 R135 C3192 NET re ee 87 er r C276 R136 EN 1 4 CF103 CF102 C277 R137 0 7 7M 10 7M JK101 e x s C278 R138 ANT JACK TUN101 522 zT C280 R141 TUNER 21 281 R142 75ohm O Ele 18 TUIS C290 R144 11 A 224 C292 R145 v 8 8 TE e C295 R146 13 ae is lt MET C901 R147 MW LW O x x C908 R148 SW 2 ab 2 CF101 R149 i 5 8 8 0109 0108 CF102 R151 AW GND Q R115 C101 95 BSP IRD CF103 R152 5 6K i ges D105 R153 0106 R156 T o n lt D109 R191 N 2 ES 195133 18835 0111 R192 eZ a o 5 6V D150 R201 28 D151 R202 5 5 E 8 cs FB101 R203 T 102 R204 E FB115 R205 C139 2 R153 10K T 12A FB117 R208 223 T tuner no FB201 R209 9 T 2 EE m FB202 R210 5 FB251 R211 5 Me FB252 R212 amp 1 D107 E B R215 1SS133 1SS133 8 2 IN GND R214 g z PLL DI 102 R215 0124 63 63 C105 IC103 R216 223 1 595 LC72131D IC201 R217 EE lily P ae n d 8 681216 8 R149 L101 R220 eT ef s 2 7K L102 R221 8 a Niel es T L103 R222 5 L104 R223 sl L105 R224 SFL nthe L106 R225 5 5 SSS H Pg SR tA 3 3K L107 R230 x col C152 L109 R231 5 d ER L120 R236 C3198 D151 15513 B L121 R237 7 L203 R238 OW101 R239 OW102 R240 OW103 R251 OW104 R252 C157 100P T OW105 R253 cise OW107 R255 OW108 R258 OW115 R259 6 PB_
3. AN 3 Focus coil drive waveform IC802 pin13 When focus search failed or there is no disc on the tray so 1V Div OV 4 Tracking coil drive waveform and TE during track traverse 1 When time division is 20mS Div 1V Div p g wane w Y wasu u ANI CH1 TRACKING COIL DRIVE IC802 pin27 CH2 TRACKING ERROR TE IC801 pin15 3 When time division is 0 5nS div During backward Track Traverse a Ra ada vo e i Ft ft e ORR oy mr TAT En Ta CH1 TRACKING COIL DRIVE SIGNAL 2V Div IC802 pin27 CH2 TRACKING ERROR TE IC801 pin15 1V Div 2 EFM signal IC801 pin 3 waveform during Normal Play 0 5V Div 5uS Div Focus coil drive waveform FDO IC801 pin21 and DRF IC801 pin67 when focus search is accomplished WWW I 7 7 A NFER m RITE h ih TOES TC 1 TT ETT CH1 FOCUS COIL DRIVE SIGNAL 2V Div CH2 DRF 2 When time division 1mS Div 1V Div During forward track traverse eu am naman ete iiw NNNM NNNM OPETE mam vm UD ver CH2 TRACKING COIL DRIVE 802 pin27 SIGNAL 2V Div CH2 TRACKING ERROR TE IC801 pin15 1V Div 5 Feed motor drive waveform IC 802 pin18 During normal play e 0 5 V Div OV 2 7 P SENS PART Does 5V appear at ZD701 YES Check the waveform of D713 Cathod NO Replace the D
4. PVR CTRL e M a e 8 e o41 a Ell I fi gill Fil B x m m BION mm C136 5 706 g 128 m 84 lt 7 6 e e e e e e 5 lt S amp R168 gell Seto ur un mue ce lm Y ll adm mM IM aen ES Nee e T T T 1 1 S s S E e 9 T AS T T T T i AN lt AE mm Is e ath m e 1 e w103 E ESI ca m Y im lt a 88 S297 SINE R y W717 EY TS 7 S N e BN 535 NA ms Bebe G at 05 DES W709 aw jf J BG Se mo WOE L ea W710 LJ Sin Bd a BS wel e ls IC701 em 713 9 8 C789 2 JS o m BARES 7 ci30 CTI sel W712 NC se aa Ri i 5 uns E m Mer SI 5 Es eo 0c L x z tiS o aa W718 mu eee 1 2 WA I b J N Oc o 9 GH DAMD dE r 4 EEES ji 1 2 Sit 01 Qu og TS am su a lt nr 7 o o o N eesi gt 80 ae P SNS S o e MI REC BIAS Ram W114 lt 7 Ar Re
5. 05 82 R132 06 R133 N2 0107 Dl R134 J10 OW108 DII R135 L6 0115 R136 D6 OW201 R137 OW701 05 R138 110 OW702 021 R141 OW703 R142 OW705 06 R144 110 OW706 151 R145 PN201 9 R146 202 HI R147 F10 PN203 R148 F10 9101 D3 R149 F10 0102 G5 RID Q103 R152 0105 R153 10 0106 R156 0107 H3 R165 C5 0108 G3 R166 C6 0115 021 R167 D6 0201 I6 R168 1020246 R181 I4 0203 7 R182 Q204 Pty R191 I4 0205 R192 051 0206 F8 R201 04 0207 FT R202 3 0208 F6 R203 H9 0251 H6 R204 UU er m e e CO CO CO CO CO A m gt Ti T T e 00 02 OD CO 1 T OI O FE AJIO lt lt gt lt FRONT P C BOARD COMPONENT SIDE 00 10683 El 2 120 Zi w MDA wD AD Es dd ear mae c BEA RC BAD Bi a JS 0 FRON o lt N u DSpSspSs gt spspsps gt s gt s gt gt 2 gt 9 gt 9 gt 9 gt 9 gt 9 gt DER I aT ey 4 DC SISISISISISISISISES falsatalalstalSi sfelefsfofafsfofsf fsfeys R375 D SW563 19301 8 EIER S9 CD OPEN 1110 a 5 Ja z 301 p e ER 8308 wt N 5502 4 d RM301
6. 0 B STANDBY ON gt To 5562 hh G m E FM MODE RIF C305 Via CN809 F x R501 ir INC ae 2 R396 C306 SW561 d AU di gt CD LEAF1 9 2 B cw V T D SENSE 7 ny 8 FREQ l X055 JB 10 WRQ iP 11 01 1560 ur 4 2 Zum E E B mm 0302 391 v i R371 R373 ki 60684 R306 W317 BTL MUTE 14 CLK W514 R372 We R313 lt gt 8990 15 CE A gt Gr 0351 111 X302 3 830 gt zio w318 RES 9 N W535 C316 Lo E HETITHTIHTHEEEO 16 CD MUTE 94559 Yy C317 C300 352 W319 D SENSE R388 9 C307 17 TUR E TIMER RDS SIGNAL ww 0 6322 C311 wa W320 CD MUTE s 18 TUNR 2 FM ST R374 R321 lt n gt 19 0PEN 3 5 6V IM 10 9 W321 TUR 20 CLOSE 4 PLL DI i 5 2181818 W322 5 PLL CLK AI 304 6 PLL DO E27 5 5 7 PLL CE 5 8 XDSS R526 9 PB MUTE 4 SW556 10 REC MUTE 10 2254 61315 TUNER BAND 5 11 CD PWR EP ETE Vers 131213 a 12 um DISC R525 13 REC BIAS 515 53 e 14 P SNS vie 2 W552 R336 W530 15 EQ SIGNAL W516 DISC SKIP lt gt 5557 Ep 3 zo 2 Z 2 lalate W531 CD 16 PWR CTL 5 2 536509 05 o je 3 17 TAPE A B 20 WIL A ife ix MB i 7 Sis ep 18 REC BEAT w518 92 AA 5 558 oo 19 12V A
7. Af I 80 IN to 25 4 4 sa R221 me PN N E 5 g OUT de I Te D Ar o LO LIE Ti orf CII 8 EE I No SM MM C219 Pa 88 SEN IC 703 2 ED R224 355 78 IN D dE Gp yo R406 EWE C281 IDAJ I i Zr p OS S GND ce EU EE me mm C230 of ya OUT C781 x E C290 eo I a oa bow N x n o gi m6 Y C728 oJ Se E E 2 gt a ELLE o D 1 e P 4 6 Si Foc 2 V AD s S eee eee aoe 1417517 Amm SISIS o Sa A 8 aT 1 0182 1C782 PSAVE 21759 k L merece 5 6V 1 ei W204 oko IN A lt TER SES GNDID is E M 4 b T ii T GNDIAI me E 5 lt 298008 Es E 4T 5 a 9 mam GND e 7 Z a gt Y beoe J2 m 078 OUT T xl 5 S Ia S LO 4 D a wee 12888868 S 906 526 227 5 I e g EUM 12 14 1 gen 3 1898 amp a dc ac c ac C223 6203 4 8 0105 ESE FAL W779 L C161 5958 if 1 REC BEAT een I ca ae 4 2 z BS px toms Sua 1 VS 14 m m Dans 57 Z i
8. R165 33K C452 4 0 47 50 b C453 pes 1 RIN 3 M C722 C294 D2 D717 14 R757 E10 I 1000 16 R726 C401 111 0718 K2 R766 H12 TUNER R C455 H 0 47 50 C425 4 7 50 1 8K BEAD 1K 703 R167 e 2 RIN 2 i y gt AN 1 0 2 Len Lo 2 ANN JR C402 G10 0741 5 R770 1 3 1 227 9 R729 2195 702 HEARED CIE C405 G10 D742 KS R774 N10 mn TER nw EE x 5 kr PI C404 611 D743 K4 R775 N10 P xs b S i 3 LA4631 ev 578 R727 C405 G11 0744 K5 R776 010 mee 5 f i C409 G9 0746 K5 R778 O10 H3 gt T UN 3 Dew tos nn uxo Wwe gt C411 610 0747 K6 R779 L C402 42 50 2 77 STANDBY 158 E c42 19 0748 K6 RDS_DATAIO H 3 8 MUXOUTL rare tox C772 H E C420 G9 0781 H5 REC_BEAAS K 5 5 C425 111 D782 H5 REC BIA29 10 RDS pr 47 50 CENT x 5 e 2 C426 C3 0783 G7 REC B9 FM_ST J b C493 10 35 C456 0 01 M 3 o C427 C3 D785 14 REC MU TA9 PLL_CLK C ON Er 47 50 11 RIN EA dd EB C452 111 F602 5 RY601 03 Pu Di CO eee ls 40
9. No svmsoL a rys a stor 77 PT TUNER DECK R125 1 oos 392 ee R125 286 R127 1 R128 R129 R204 47K 12K R130 5 gs4 x R131 A B C D E F G H J K L M N O P Q 2 23 2 24 CDP SCHEMATIC DIAGRAM 11 m H 1 Jo Xo eX AP LD r 8 2 A N U EP AL gt O PN804 16PIN R801 33K R803 18K frags tek R808 33K 33K ud cc PN806 9 0 C848 1000p C847 1000p C846 1000p C845 22 R83 100 R830 100 WRQ 0 01 C843 22p C842 22 C8411 22 100u 10V 4 gt AAALA YY e PD FCS 3 OO PAS AN C832 X801 00 SPINDLE LIMIT SW e e foo SLIDE CLOSE SW DOWN SW UP SW OPEN SW TURR I GND DISK SENSE Qoo Qi amp e GWS R851 39K 4 0 01u j d IC801 O 01u 33 86MHz LC78645NE VREF REFI 0 1 E u soy 4700p me 2 C829 0202020 Q805 KTD1302 R821 C826 100K 1500 FL il C888 0 022u ZD80 5 1V 857 R856R855R854 RE
10. 8 14 ELI o 5 2 15 CE ES 16 CD MUTE oS ALS Au 1 NE e wo Eva R317 Em EM R318 EMT BM R319 R320 IA RESET cil e VR301 2 Iis Lu c o EN 2 L 191 8 W536 s cS qp d R382 R396 R395 R394 R393 R392 R391 R390 R389 R388 R387 R386 8385 R384 R383 W310 o e B mas S 2 E Iz E Isj SaaS S pe Cx Cs CN BL CN B EN je FB301 SESesesesesiezesiesese DEDE Oa ag 4 55556 Pa ce Nac oe Uo aa emm eo000000000000000 00000009000 jn NEA gt e E x o R375 01 26 e d E W501 BES LD S s e mN N hi 2l i 3 gt oo wa 7 2 E aen R397 STANDBY ON _ _ al R345 ite 1 0 O e W503 NM 2 500 887345750116 N W344 EWE om 8 VV DO AO e e Nat QE Tee po wy EU eo S 7 e 778504 e 4 P Y 59 wo FR W314 gt R307 5 I Iz 4398 1 Sa 2 f PO Du W315 ae ST all OT EM 5W501 ll 2 E au W316
11. 312 T k r T TRAY ES IA IE ty tet PICK UP 1 How to open the tray In case of not suppling power push two hooks H of the base and them open the tray 2 How to improve the distorted gears 1 Do the hole C of the cam gear to face forward the pick up so the pick up is down like figure 2 Do the hole B of main gear to face forward pick up too 3 Set the last part of main gear to point A 4 Push the tray to end NOTE Refer to SECTION 5 REPLACEMENT PARTS LIST in order to look for the part number of each part 3 2 3 1 SECTION 3 EXPLODED VIEWS CABINET AND MAIN FRAME SECTION 20 vi gs 4 A x 9 N D TAPE DECK MECHANISM AUTO STOP DECK OPTIONAL bs N Q 59 9 o o 7 A 7 o Q 9 9 0 091 2 LBS 8 P os m 8 N 3 A J X 3 4 3 3 TAPE DECK MECHANISM AUTO REVERSE DECK 3 5 3 6 CD MECHANISM V 4 2 9 sN 8 N TR SN NR 4 VA N Q Q1 5 8 6 Q oA EN o rum Ah 2 0 HA JR 7 0 a of 2 0 77 A A Q 3 8 3 7
12. C6 PN820 Al 0801 D2 0803 65 Q804 605 Q805 G6 R801 R802 D3 R803 R804 R805 R806 D3 R807 D3 R808 C2 R809 4 TW U ren R810 04 za Who We e TO NUN R811 CA II ll 1 m R812 C4 5 a 5 5 5 a 5 5 m a 5 W806 em IS 22 z R813 EL o CU qammanqa mr 1 LC ic IT 8818 05 passskpiso 225252898 Air ET 8819 6 e OR mem 7 C ND m C830 zu a 8 R820 65 WW e a otag gl lite HUN R82 66 e a ANII R822 05 yi td a PTA R823 06 22 5 8 US ce2e 4 E o x D 849 8 3L eut 7 R826 06 g 8 e NS C837 d 2 60 1 amp AM LOL 55 824 Pe a c 70 4 N 15 15 5 CE R829 06 Th 28 88 80 A 1C803 A R830 C6 DIe S om jeg mM E R831 MIT S o 2 I wen R832 C6 mE C852 Pel 7 28 DNSW ID oll R834 5 mm 050 EUAS 124 m 40 ese UPS VE casar 7066 a o gt 35 aa R835 85 U FAW SSN L q os 8 qu R836 85 Ka s 5 15 25 SPDO SLDO R837 86 gig 9 me 8852 T o E JE 20
13. No Repl the X104 Check the waveform of CE DI DO CLK Check the line or refer to IC 301 Troubleshooting NO CE Chip Enable YES DI Data Input from u com DO Data Output to u com Is the normal CLK Tuner mode clock NO Replace the IC103 YES 2 14 AM COIL Troubleshooting Check the High of L107 Pin 2 YES Check the oscillation of L107 Pin 13 NO Refer to IC103 Troubleshooting YES Replace the L107 Refer to IC 102 Troubleshooting Play Check the VCC supplying to IC202 pin 18 NO YES Refer to Power Circuit Troubleshooting Check the signal output of IC202 pin 5 20 NO Check the Deck Mecha YES ar Replace the Deck Check the Muting Circuit Macha Replace the IC202 Dubbing NORMAL or REC HIGH 0252 202 OFF ON R273 223 0253 203 Refer IC203 Troubleshooting YES Refer to REC Troubleshooting 2 15 REC Q252 Q202 ON R273 R223 High Check signal supplied to 202 pin 11 14 Check the Low of Q253 Q203 B YES Replace the Q253 Q203 Check the Vcc power of IC202 Pin18 YES NO Refer to IC203 Troubleshooting N NO YES Check the 201 pin6 12V and pin 4 High O Check the output of IC202 Pin9 16 O N Check the power or Refer to IC203 YES Troubleshooting Refer to Power Circuit Troubles
14. R334 R531 J1 xx REC PRESET B wi ML E M DI C8 R335 R532 J i R523 one a MOTOR H DI H5 R336 RDS CLK4 I NR PRESET qur UP MOREE DO C8 R337 RDS CLK9 DO H5 R338 RDS SIGN10 R524 SW506 B S5 S am m DRF CO 8340 REC BEAD 88 1 0 i E E D SENSEC7 R341 REC BEANB 351 TaK DuC ved opa R355 D SENSEC9 R342 REC BIAS5 i Sa I F1 L7 R343 REC BIASI8 R526 SUEDE EuGH SPD ADJI F1 L10 R344 REC FWDO3 a mm o gt 2 7K TUNER uni WZ F2 LIO 345 REC FWDP5 F2 L7 R347 REC MU ES om El BE DOE m C355 1 I Rs28 SW560 16 HI_SPEED O as s FB303 K7 R350 REC RVS5 H AUX PAUSE SET KRC102M FIP301 G11 R351 RESE C6 2 26 FM ST 8 R352 RESE 17 6 8K 5561 EUM FM ST R353 RESET C8 C356 55 i FREQ C7 R354 RESET G5 i i R339 SW562 SW512 FREQ C9 R355 RM301 J9 Ls CS0 67 R357 So wx 1 T mm 9 sus rA 302 H4 R358 SDA 02 08 15 515543 J200 R359 SDA 08 JK201 K12 R360 SOL A F5 FFH 286 LD301 E4 R361 SOLLA L5 MODE_A 04 R362 SOL B 14 A B D E F G H J K L M N O P Q 2 21 2 22 TUNER DECK SCHEMATIC DIAGRAM LOCATION GUIDE C270 R132 C271 R133 C272 R134
15. YES Replace the TR MUTE Audio abnormal Check the output of IC701 Pin 26 27 YES Check the input of IC702 Pin 2 4 L CH R CH Refer to IC701 Troubleshooting Refer to Muting Troubleshooting Check the Output of IC702 ee une Check the High of IC702 Pin 5 Check the Voltage of IC702 Pin 7 Check the power circuit YES 2 10 FUNCTION MODE Audio abnormal Check the signal input of IC401 pin 28 37 Refer to IC202 Troubleshooting Check the signal input of IC401 pin 31 34 Check the signal of CN513 Pin 1 3 or Refer to CD Troubleshooting Check the LOW of Q205 B Refer to IC504 Troubleshooting Chekc the signal input of IC401 pin 29 36 Check the signal input of JK401 Check the signal input 401 pin 30 35 Refer to IC102 Troubleshooting IC301 Troubleshooting Check the power supplying IC301 Pin 17 46 90 NO YES Refer to Power Circuit Troubleshooting Check the 5V of IC301 pin26 NO YES Check the P SENS Check the oscillation of X301 NO Replace the X301 YES When power supplying to IC301 pin17 High Low High YES Check the RESET circuit Replace the IC301 IC203 Troubleshooting Check the power supplying to IC203 pin 16 Refer to Power Circuit Troubleshooting Check the Data of IC301 Pin 3 4 CD TAPE FUNCTION Refer to IC301 Troubleshooting Check
16. _ 1 di E 205831 S GE pe R302 x wow ADAT 0302 X301 NDS FB303 W370 d R373 R371 2 cr i 279 C322 o 9 035 ENE eva W514 o R3M3 20 2 1 m lt m aite dd EE R303 D SENSE W319 ac N mdi o GE ss mw gt lt _ W320 SN oo la C316 I w lt 5 E TUR WM _ EN m mI T El que n 2 EL mi W322 A e la os x ol 3 15 6VIM OPEN W323 2 3 8 4 PLL DI IRIS 5 PLL CLK ec 5 ol TY wm 6 PLL DO RESET um li g g T PLL CE R526 ence 9 Ps 8 XDSS QENCONTA 326 47 08 70R5152AA eve J re 9 PB MUTE _ DATA IN W827 _ E gt e W5 5 551 o 10 REC MUTE HI i ith 20020806 5 sl si TUNER BAND 0150155 us 11 CD PWR E 2 aoe ssl ES 19 es SEC BIS e EM3 O CD 23 U TILI J gt SS 2222 0317 e Je 14 P ISNS Nux _ KJ JN zo 4 EN nen 15 0 SIGNA w VR302 5828158 otis amp as DISC SKIP x 1 17 TAPE A B CE NA S sus 59 18 REC BEAT IER 54558 2 US 19 12V A WO Te
17. a known earth ground Alternatively obtain and wear a commercially available discharging wrist strap device which should be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ESD devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ESD devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static can generate electrical charges sufficient to damage ESD devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ESD devices 6 Do not remove a replacement ESD device from its protective package until immediately before you are ready to install it Most replacement ESD devices are packaged with leads electrically shorted together by conductive foam aluminum foil or comparable conductive materials 7 Immediately before removing the protective material from the leads of a replacement ESD device touch the protective material to the chassis or circuit assembly into which the device will by installed CAUTION BE SURE NO POWER IS APPLIED TO THE CHASSIS OR CIRCUIT AND OBSERVE ALL OTHER SAFETY PRECAUTIONS 8 Minimize bodily motions when handing unpackaged replacement ESD devices Otherwise harmless
18. ai lt ge STS TS e E 8 e e m fm 20 5DA SW553 nn 21 SCL DISC3 lt gt SW554 EI 22 HI SPEED W393 DISC2 i el E alzlalzlz lt 23 MIC SIG 55 52558 g TERME e e ee ER saa 25 GND D 5 S a o ciel W394 a N 52 aE E e e 27 PWR SAVE W395 28 VKK W522 9 2 2 2 Alls 29 F2 7523 W396 eS 0920 A 587 8155 an W348 28 He 9 HS t ERRE OUNTER PE f M R509 OSEM lt gt W536 A W526 5 re qe e e e EE sa NORMAL a 5 R512 5 R511 R510 4 A 8502 D E N e 9564 a Fs rs c no 6964 9169 a A _ N N R507 R508 Dies oo col ee e mee E e gt 4 r d DR ue NE 7 54503 54502 y 54507 54508 le in REC PAUSE TUNING PLAY TR VS PLAY FWD TUNING STOP CLEAR Perio Zoe TUNE e gt gt gt gt gt Cro no 2 33 2 34 e FRONT BOARD SOLDER SIDE J FFH 286 FRONT 3 SW563 CD OPEN W301 on a e s l I 1 BE 7 3 2g C305 p 8 o 3 NC 11 he SW562 4 BTL MUTE si ex FM MODE RIF 5 CD LEAF2 C306 6 CD LEAF NI 8 7 D SENSE El 9 8 FREQ EM 9 DRF 10 WRQ EL SW561 1101 Hi
19. contact with clothing in order to prevent static electricity changes in the clothing to escape from the armband 7 The laser beam from the pick up should NEVER be directly facing the eyes or bare skin HResistor 1 Mohm Conductive Sheet CLEARING MALFUNCTION You can reset your unit to initial status if malfunction occur button malfunction display etc Using a pointed good conductor such as driver simply short the RESET jump wire on the inside of the volume knob for more than 3 seconds If you reset your unit you must reenter all its settings stations clock timer NOTE 1 To operate the RESET jump wire pull the volume rotary knob and release it 2 If you wish to operate the RESET jump wire it is necessary to unplug the power cord VOLUME UP VOLUME KNOB RESET jump wire DE DOVVN ESD PRECAUTIONS Electrostatically Sensitive Devices ESD Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive Devices ESD Examples of typical ESD devices are integrated circuits and some field effect transistors and semiconductor chip components The following techniques should be used to help reduce the incidence of component damage caused by static electricity 1 Immediately before handling any semiconductor component or semiconductor equipped assembly drain off any electrostatic charge on your body by touching
20. cotton swab Do not use any other liquid cleaners because they will damage the lens Take care not to use too much of this alcohol on the swab and do not allow the alcohol to get inside the pick up 1 2 NOTES REGARDING COMPACT DISC PLAYER REPAIRS 1 Preparations 1 Compact disc players incorporate a great many ICs as well as the pick up laser diode These components are sensitive to and easily affected by static electricity If such static electricity is high voltage components can be damaged and for that reason components should be handled with care 2 The pick up is composed of many optical components and other high precision components Care must be taken therefore to avoid repair or storage where the temperature of humidity is high where strong magnetism is present or where there is excessive dust 2 Notes for repair 1 Before replacing a component part first disconnect the power supply lead wire from the unit 2 All equipment measuring instruments and tools must be grounded 3 The workbench should be covered with a conductive sheet and grounded When removing the laser pick up from its conductive bag do not place the pick up on the bag This is because there is the possibility of damage by static electricity 4 To prevent AC leakage the metal part of the soldering iron should be grounded 5 Workers should be grounded by an armband 1MQ 6 Care should be taken not to permit the laser pick up to come in
21. pin 15 TRACKING ERROR wareform YES rotation normal NO Is there no dropout of RF signal INA VES Defective PICK UP Defective IC801 2 4 A Laser does not light Is 3 5V applied to of IC 801 YES NO NO Is data transferred from Did pickup return to Defective MICOM MICOM IC innermost circular YES YES Does voltage appear at IC 802 pin 17 18 Defective IC 801 802 Defective slide motor and or connector Does it stop at inner pick circular after shift Is defect output from LM SW applied to pin 2 of YES PN802 Defective LMT SW and or connector OPEN CLOSE YES Defective MICOM YES NO Is power supplied to laser Q801 Defective connector Defective Q 801 and or laser Q 801 collector about 1 8V YES Does laser current flow YES 1 0V across R808 R808 1 0V connector 2 5 NO Does lens move up down Defective 801 Check the signal of FOCUS SEARCH YES IC801 Pin 21 YES Defective IC802 Chekc the signal of PN802 pin 13 14 Open activator and or connector Does FE signal appear IC801 pin 13 Defective 801 Degraded laser diode Does DRF signal appear IC 801 pin67 Defective PICK UP 2 6 WAVEFORMS OF MAJOR CHECK POINT 1 HF signal RF signal waveform IC801 pin 3 during normal play po 500nS Div OV usss EE Es NN
22. 1 4 p R838 B5 Jr um wm El 5 58 Al R839 B5 R840 T Ol R y misa AKT VLA LL QC 111 8841 UL LED Wo B cees r PN804 wees R801 Sed 8843 F4 M er i TO wa R844 E2 3 Zen a Wis 15 840 R84 C63 ge 2 LENZ 200 80 R850 SP N o a 4 2 s 1 J R851 B4 See e AANS 1C802 852 il W802 ANUE Seel ll 853 51 DB se 25 9 _ gt 20801 LM 22 r HA a m F 9 R854 omo d 8 Ar Q801 DU IC804 ua ier se 1 le e a PN820 Ref E A C GND GND FA TA d zm R859 4 DATA JK801 SV DBF LD PD TA FA BK801 BK802 R860 B4 L R2 4 R863 5 8867 X801 20801 20803 6870R5761AB 020617 1 PN805 zog AMP amp POWER P C BOARD NOTE Warning Parts that are shaded are critical With N respect to risk of fire or electrical shock 6870R5153AA 8609 A0S 14001 E093 gus _ 2094 09 286 0642 4 A0ScC 1 6 115V 230V A0SC VU007 pg 6094 77 0W603 04602 BK BLUE 6099 09 099 4 109 BR pop iut i ai h 0 gt gt gt gt SON C Ce C 2 37 INTERNAL BLOCK DIAG
23. 10 C131 L104 A W106 ST 7E mom C454 EIS 2 L EES ow 27 E 52 8 I F Grr f Efe Jl ic 5 4 5 q Ll ft ogg LN C 5 SEC 3 AM v a 07 uA SP sS S SS S RR PE z D A ei ons trama a nt ans MW LW lt Wil rH u Da i D d El Es iv 710 m Pj 9i 1 RIS ni R141 AH i C198 mes R766 A Somo 7 cii 50 24 eo 5 5 NN J run _ Am s 4 E CN301 MW GND v2 N 57 2 0108 z C128 Qe A iy 18 C907 aa ma AN cog 516 l Risa NES E E oo ie ZY Z RI33 E m EN lt 5 58 6 142 _ iy a ters DIS HHS FH B 2 86 MA I N DO ano 50 EHED 69870R5151AA ZU Zoe A B K m N Q EOZNd C282 rn n nn RARI Lal TIIITIIITIIDI OO TO CD CD CD CD C
24. 5 13 T b m 8 8 1c704 N Sos 0 c C137 4 6729 alle SE SIT N 0742 19 eo amp RN L _ HT N N7 T8 NE 8 wi NAN GEI 8724 m 2 SN T er R725 3 N 5 5 m GEM S C215 4 S ce C783 gt R214 4 Els NS s CEA au Is Ez C243 d N ze zs 9J200R207 n as Hu SN VE ik E S 2 na 18 R206 lt 10 NS SESES e T S l T SS M 133 D AA T JK201 SS 13 L N 7 116 Cms 202 di N 1 1 egal itt it gre AS 53 W210 LIII i e Ges x po C271 A R715 5 N o m x NE R266 ir NE 9 d gt 8 2 W222 C266 W751 SS 5 3787 8 5 Eo n ci 5 35 C726 87 N SIS a Dl pisl 5 263 6202 R265 m W154 Sr 6727 I Wet es Tea 15 5 8 8 3 58 W217 AC 5 EP Dre N d 3 3 3 L N 1203 k S S 6 w225 N 2 C719 NON RES R258 R259 7 ee R274 em m SE nT 5 AO oy Vee TD ai 286 en 8 b PN202 RNR Pilea W207 IN M w W152 C714 ourl 5 al BEE i P 9 Le 7 2 y ERG seoks Saa F A y 3 ASN LL Si o R253 R268 0203 7703 2223 C236 al gt DE R 1
25. 5 5 in o bx 20 m DS Ep ES E gt maj IN 18181 si gl 3 8 T T3 13 IBN ES N x P A zl SS 4 guste EEN E ll SE GBs 3 p W212 R255 oe I c781 P 2238989 A C728 Ns i gt CX Rh lt G mc 5 zi 3 I ep A o gt TT C230 C290 5 IS IX a a 2 ala em 0 DESSERT 1 GIO HTH d SEE qu C784 ef em 5 3 o o gt a ODD A gt RSE Y 0 Ei SEDE P ai GNDIA E TI I EAM III IIR TT orc o W778 all era RoR M Au 20 30 Ey CI61 e seo 1190 AWE T gens lt AY SIS 3 ST E 4 es a 21515 51515 TAPE A B ae 0 e 8 1 2 2125 D lt 51515 2 8 2 2 3 lt g og PWR CTRL 52 Ries RR RS E 5 98 G as ES 26 i 3 W706 o a 000000007 XI 5 S s C133 R130 SEEN SAN AGL P e S A RA e 5 R101 C157 We Au ESER Y IL t IP LE Rx lt lt C159 W708 mim 0005060605500 E i ilg T3 W103 PE pe I R 0 gt e M AR B aii le 15 ll CS 2 zo Z lt gt c102 W123 T d I xz lo 4 Lips 3 T EE W105 10701 t 700 mw i8 F
26. 6 0 01 SIE SE R778 mao C453 G11 F603 SPEED B8 PLL_ce BIN R Si o R x x C454 11 FB103 E5 SW601 06 TUNER GND 2 TT E EE Bx SEINS 55 gt JK701 C455 G11 FB104 J4 T 06 oo o UM ll EI 8 g 01 0 S ua s m gt E 5 T 5 5 gt Se E 9 ro Es C461 GIO 88752 LIO TAPE R BB REC BEAT 9 cS C462 19 FM_ST B10 TM601 P3 REC BIASC 4 C471 J11 GND B8 TM602 P2 A B D om C472 Jl 701 H12 TUNER GAD REC 4 7 50 N C474 M0 IC702 M11 TUNER LA9 Esp LE ee SPEED __ R407 SE CES C498 F8 782 H5 20704 12 E ul E 25 TENE M 8 TAPE R 3 FE ES I EE T 15902 6 2 te D J700 oy R479 C705 C728 C160 C706 C203 C606 NS J700 08 270K 104 T 223 T 929 104 T 104 T d M 12 i C609 3 JK701 P9 C701 P9 JK703 P11 CN301 C702 J2 OW602 05 RDS SICNAL 1 C719 C713 C707 C708 C709 C705 16 OW603 P5 fo t HH 223 T 104 T 104 T 104 T 104 T C704 C3 OW604 03 C705 M8 OW605 P3 r El C707 7 0702 D7 5 C783 an 0225 1 nd 2 223 T 223 T 223 T ws C710 15 OW706 E8 el 9 C711 9 PB MUTEA8 ewe C713 7 PLL_CE B10 LL Te nn EX j 82 PLL DI B10 Ls 8 j C77 82 PLLDO A10 M SER p ue xe BUD E e TSRSS C719 M7 PN7O3 5 C720 Q401 074
27. 7 18835 721 0402 18 EN Eee 272 Em C724 071 r j SCL 21 j x I H H El au a o MIC SiGNAL 23 2 C727 714 H7 5 GND AUDO D704 2r 58 Bi fe 51 C728 QUIE H2 5 4 1SR35 59 u SEN C729 0721 K1 2 u 5 5 C730 Q771 K10 14 C732 R166 C10 e EO C733 RI67 Cl L F R 30 ir C735 R168 8 C736 R404 F9 C737 R406 E9 EE 00716 7i7 ARSS C738 R407 18 4 CN513 0k C739 R408 H8 tc p w C740 R413 R CH C742 R419 C4 6 62 5 751 R425 E9 yo om Rist V FM C771 R456 E9 dis xl x C772 R457 18 je 6 amp als ERR 02 5 amp F 218 C773 R463 F9 3 Sinis 818 8 8 206 774 R464 E8 5 8 8 5 2 y C775 R468 C3 7H 8 3 776 R469 03 gt C777 R475 2 8 TM601 AC JACK C778 R476 ane e C609 C779 R477 KTA1273 C780 R479 C903 222 T J602 C781 R488 C783 R490 2 C718 T uo C784 R493 C785 R494 C785 27 601 C787 R603 C789 R705 C800 R706 C902 R707 C903 R711 C904 R712 D SCHEMATIC MAIN C905 R714 C906 R715 02 08 15 515544 C907 B718 1 CN301 R718 FFH 286 CN513 R719 CN701 R720 D101 R724 A B 5 D E F G H J K L M N O 2 19 2 20 FRONT SCHEMATIC DIAGRAM LOCATION GUIDE
28. 713 Check the pattern of IC301 Pin 3 Chect the 5 6R of R714 and replace ZD703 5 1V VKK PART Does DC 33V appear at CN302 Pin NO Dose 33V appear at ZD704 YES Replace the ZD704 33V YES Check the Q715 TURN ON Check the Voltage of IC301 PIN GD Check the 33V LOW of C704 p gt Replace the Q715 Refer to power circuit Replace the D714 D718 D715 Check the PATTERN 2 8 Power Circuit Check the Fuse Replace the Fuse YES Check the DC output NO Check the AC output of NO Check the power Ass y or C736 CN701 Pin4 5 Replace the Transformer YES YES Replace the D745 D746 D747 D748 Check the AC Output of CN701 PIN 1 3 NO Check the power Ass y or YES Replace the Transformer Check the output of Check the D741 D742 IC703 782 783 D744 D734 or Replace Check the 703 782 YES m 783 or Replace NO Check the 5V of IC301 YES PIN 17 46 72 90 Check the 5V of CN513 Pin 7 CD FUNCTION Replace the IC782 NO Check the Q713 B HIGH T PER Q711 B LOW NO Check the High of IC301 Pin 3 YES Replace the Q713 Q711 NO Check the High of 0713 B or Replace Check the IC301 or Replace 2 9 Muting circuit MUTE Dose High appear at Q712 E Check the High of Q712 C check the High Q721 Q771 B
29. 75 KIA78R12 11 70 KIA78R15 14 70 Load Regulation Io 5bmA 1A Note 2 E w NEU Ripple Rejection Drop Out Voltage Note 3 CIT ETR a TENE Qug ON sate for control Comet En De Vc 04V Eur 3E X A 10 0 10 mA Notel of KIA78R05 7V Note2 Vin of KIA78R05 6 12V Note3 At Vin ae KIAT8R06 8V KIATSR0677 15V KIAT8R08 10V KIAT8R08 9 25V KIAT8R09 15V KIATSR0O9 710 25V 16 KTA78R10 11 26V KIAT8RI2718V KTA78R12 13 29V KIA78R15 21V KTA78R15 16 32V 2 41 Block Diagram VIN 1 Vo Control KIA7805AP API THREE TERMINAL POSITIVE VOLTAGE REGULATORS 5V 6V 8V 9V 10V 12 15V 18V 24V EQUIVALENT CIRCUIT 1 INPUT 21 2 COMMON GND 2 49 KIA7805AP API ELECTRICAL CHARACTERISTICS 10 Iour 500mA 0C 125 CHARACTERISTIC 1 1 1 1 1 1 1 1 1 Input Regulation Load Regulation Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Ratio Dropout Voltage Short Circuit Current Limit Average Temperature Coefficient of Output Voltage BA3126N TEST E CIRCUIT TEST CONDITION T 25 12 Iout 100mA lt Viuz25V 8 0V lt ViN lt 12V SMA lt Iour lt 1 4A 2o0mA lt lour 750mA lt VINS 20V 5 lt Iourz 1 04 Po lt 15W 25 C louv
30. Adjustment Connection Diagram 4 TUNER ADJUSTMENT FM DC Voltage Checker IC Pin 26 28 L106 OV 50mV Electronic FM Antenna OSCILLOSCOPE Terminal Speaker Signal Generator Figure 4 Tuner S curve Adjustment Connection Diagram 2 2 TROUBLESHOOTING Turn power on Check power supply circuit gt 807 PIN5 6 2V PN807 7 5V IC803 PIN 2 3 3V YES NO NO Check the DISK turns YES Check the connector PN801 PN802 PN809 Does initial read work Check the Laser YES Check the focus circuit YES YES Check the TRAKING circuit NO Does it play Check the tracking servo circuit YES Does it output audio N E Check the PN807 2 3 Fails to initial read YES Does RF waveform appear Check the Data transmission from Defective connector IC801 Ping PN809 pin11 to CD DSP PN809 Defective Defective connector PN809 NO Check the Voltage change of PN 809 NO PIN20 OPEN CLOSE YES Check the Data transmission from Defective connector PN809 pin13 to MICOM PN809 Defective OV Check the change of SLDO d Defective IC801 Voltage IC801 pin23 mm 2 YES Check the change of SL YES SL Voltage Defective IC802 IC802 pin 18 19 Defective contact PN802 Does laser light Defective PICK UP YES Does FA waveform appear at IC802 pin13 NO focus coil drive wareform YES Does TE waveform appear at 801
31. DC SP CP CD CD CD CD CD CDC CD CD CD CV CDC CD CD CDC C3 C206 HY C293 04 207 FO C294 D3 C208 606 C295 C209 66 C401 2 C210 H9 C402 C2 C211 H9 C403 C212 H9 C404 2 C213 H9 C405 Di C214 16 C406 GC215 I9 C409 61 C216 I9 C411 G3 C218 J6 C412 C219 C420 03 C220 J6 C425 G3 C221 991 C426 Fall C222 Jo C427 F3 C223 K5 C443 Fal C225 26 C452 FA C226 17 C453 F3 C227 67 C454 E2 C230 C455 D3 C231 66 C456 C233 C459 E3 C234 FT C460 F5 C235 C461 B2 C236 F6 C462 F3 C237 G C471 H3 C238 E6 C472 E4 239 FO C474 E4 C240 09 C475 G4 C241 H6 C493 B2 C242 J6 C498 C243 C499 FAI C244 9 C701 C2 C245 010 C702 C2 C246 P10 C703 C3 C247 C704 C2 C248 C705 2 C249 C706 E2 C250 Ol C707 2 C251 08 C708 61 C252 C709 G2 C254 16 C710 F2 255 11 C711 F2 C256 ISI C713 C2 C257 F8 C714 41 0258 I6 C715 03 C260 H8 C717 03 C261 C718 G2 C262 H8 719 H2 C263 H8 C720 3 C264 7 CT21 C265 48 C722 G4 C266 JO C723 2 C268 C724 051 C269 KT C725 Coll C270 C726 C271 J8 C727 B4 C272 8 C728 84 C275 8 C729 I4 C276 18 C730 54110277 C731 02 6278 I9 C12 2 C280 J C733 C281 J6 C735 D4 C282 P9 C736 J2 C283 Olj 737
32. G2 C284 C738 69 C285 C739 H8 C286 010 C740 C287 09 C741 09 C290 J6 C742 C292 16 C745 SS OI O 1 1 1 1 1 1 41 4 CO A O UI CO N 1 co DA AA NI CON TIT TM MN MI EI ES EI EL I SC ES TG CJ ED EL E CJ ES ES SI EL E CJ CJ ES EI ES EE C El TI CC CD CO CO CO CO CO 1 op B10 FB202 HI 9252 D8 FB251 8 0253 D8 252 IT 0254 D10 FB701 DIN Q401 FB702 08 0402 06 FB703 110 0452 N6 FB704 D9 9711 B7 FB705 EB 9712 B61 FB752 D8 9713 581 10102 E2 Q714 D9 ICI03 9715 C8 IC201 16 Q721 202 H8 Q771 09 204 R101 IC702 R102 IC703 C6 R103 B8 IC704 R104 N3 16782 C5 R105 N7 IC783 CU R06 F8 J200 09 R107 Go J700 7 R108 69 J701 R109 JK101 A21 R110 LI JK102 M2 JK201 R112 21 JK701 AS R113 JK703 L101 ET R115 E3 L102 E3 R116 L103 DA R117 L104 L105 C2 R119 L106 R120 L107 02 R121 B5 L109 65 R122 B5 L120 I3 R125 65 L12 R126 0211203 FT R127 210 01 R128 12 OW102 821 R129 12 OW103 821 R130 OW104 B2
33. J6 P SAVE 7 R393 SW560 5 1 C311 J6 P_SNS 08 R394 SW561 ne gt PUL_DI R37 C316 K6 P_SNS 18 R395 SW562 7 eu eK C C317 16 Q204 011 R396 SW563 1910 5 sz i mico C322 K7 0205 011 R397 A B R82 x3 RS K C323 K7 0302 K7 R398 TAPE A 88 9 6 RR D318 5 amp ee C324 K7 0303 F4 R399 TUR H5 155133 2 C345 7 0304 E3 TUR CB C346 8 Q310 5 R3A10 TUR C8 e a s C351 G3 Q311 4 R3A11 TUR H5 wa R324 10K cos 0318 i _ 0 a C353 62 0312 3 R3A12 VKK L7 eor n ti pne uus cs bue ES C354 13 0313 5 RAS VKK LOMRRST jt MV CP Ec E ee GN FM ST PS Ka C355 F2 Q314 N3 R3A14 VR301 D8 MEC CONI er ix nn C356 F2 0905 19 VR302 M3 MIC ME rk IN pss ses z SPEANA oe C357 5 0316 4 WRO 9 N Ra REMARK1 LEAF2 ale wee 70 CD MUTEC8 0322 4 R3A17 WRQ 18 8 UOS Ug e D GK EAE KTC3198 CD_MUTEG5 0333 7 R3A18 X301 J6 DONEC CD LEAF El ee 20 I CD PWRIS Q345 M8 R3A19 X302 J6 p ee Mera E anc BEZ ao CD PWR R206 K12 R3A2 X351 13 IEC 308 53 ms N 2i C C8 R207 111
34. LG Electronics Inc LG 3CD CHANGER HI FI SYSTEM MODEL FFH 286A AD FE 286E CONTENTS SECTION 1 GENERAL SERVICING PRECAUTIONS nr 1 2 ESD PRECAUTIONS ee T wc 1 4 SPECIFICATIONS Sua ee MM ME NN REA Tre ere MB NN NE MAE I RM REM 1 5 SECTION 2 ELECTRICAL o ADJUSTMENTS eem 2 1 TROUBLESHOOTING MM IH 2 5 WAVEFORMS OF MAJOR CHECK POINT 2 7 BLOCK DIAGRAM HH 2 17 SCHEMATIC DIAGRAMS HII 2 19 o WIRING DIAGRAM HH IM III III 2 27 PRINTED CIRCUIT 2 29 INTERNAL BLOCK DIAGRAM OF IC s 2 38 REPAIRS REGARDING CD MECHANISM 2 45 SECTION 3 EXPLODED VIEWS e CABINET AND MAIN FRAME SECTION Eee 3 1 TAPE DECK MECHANISM AUTO STOP DECK OPTIONAL mme eee eene 3 3 e TAPE DECK MECHANISM AUTO REVERSE DECK di da aca deia idea warn 3 5 e CD MECHANISM mee 3 7 SECTION A SPEAKER un ae een 4 1 SECTION 5 REPLACEMENT PARTS LIST A A A A simis 5 1 deis SECTION 1 GENERAL SERVICING PRECAUTIONS NOTES REGARDING HANDLING OF THE PICK UP 1 Notes for transport and storage 1 The pick up should always be left in its conductive bag until immed
35. MUTEQ4 R260 PLL_CE Q9 R261 PLL_CLKQ9 R262 P B FB251 TIN SN LI N SPEED ii PLL DI Q9 R263 PLL DO Q9 R264 REC OUT PN201 B6 R265 C251 1200P T M a R251 100K a pr C901 223 T R201 100K C255 PN202 B4 R266 C254 52409 0101 E12 R267 1847 Q102 F10 R268 K 41 50 10 PB OUT R 0103 R269 0105 E7 R270 Q106 F7 R271 OT 0107 K7 R272 Q108 L7 R273 Q115 M10 R274 PB OUT L Q201 M4 R275 C201 1200P T C292 WI C268 777 TIN FB201 C271 1060P T C226 68P T R268 68K REC OUT Q202 M3 R280 0203 M2 R281 n 0206 02 R282 i 1 0207 G3 R283 4 SA PB MUTE Q208 G2 R284 YO Mire 0251 5 R285 Hoes SPEED Q252 M4 R286 0253 M3 R287 2280 RECA Q254 M6 R290 R101 D10 R292 R102 D12 R293 ae R103 E11 R294 E R294 R293 TAPE A B R104 E11 RDS_DAT 8 22 22 22 3 REC WR s RIOS REC BIASS REC BEAT R107 C11 Q3 C269 j 107 E R108 G10 REC MUTE3 R109 J REC_R Q4 SEE R110 JO SPEED Q4 R111 TAPE A B3 H R112 Il TAPE_L Q4 Q206 C206 e R224 56K REC MUTE R113 JO R Q4 D1302 C222 10 50 1000P 7 a203 U m R114 L10 TP101 H8 C234 ae C3198 US 220 R115 TP102 17 2 m 562 M A case R116 TUN101 C11 R236 os 10 55 9208 BIAS is i TUNES LOTO C3198 E R119 TUNER FQ9 OPTIONAL PARTS Wee 4 02 08 13 513510 R121
36. R3A20 XDSS 15 wm CE 65 R226 L1 R3AZ XDSS ASTOP 5 UNE gt MIC_SIN C C8 R227 Ll R3A22 70302 110 th ca osos se romer sav 9 z H T E mea CL HS R228 LM R3A23 22 16 cover cover 5 5 C6 R229 111 R3A24 x 7H C H5 R232 L11 R3A25 M BER C C8 R233 M12 R3A26 7 H5 R234 M11 R3A27 pg 2 54 i C M9 R235 M11 R3A28 E C B6 R241 M11 R3A3 cC C BIO R243 N11 R3A4 REC_MUTE 25 25 D LEAFIJ6 R244 R3AS oe Tay HIK El DEAF R2JG WE 10 ROW U COM 5 M 5 D LEAF2I8 8277 011 R A8 o 88s T i 5 0303 E8 R302 K8 R3A9 JEE S 5 8 0304 E8 R303 K8 R501 ENA DATA 212239811 8 D306 E8 R306 L6 R503 vss 23930250 HALL_A 8 0307 E8 R307 K7 R504 VOD 5 84 85 86 82888999 9 5 0308 E9 R308 K9 R505 REST e 2 D309 E9 R309 R506 D310 9 R310 R507 H a 0511 9 R311 R508 Su D312 E9 R312 R509 45 E 0313 E9 R313 R510 43151 44518 0314 17 R314 R511 5 SEE D315 B10 R317 R512 0316 19 R318 R513 0317 07 R319 R520 J4 0318 C9 R320 R521 4 D319 L8 R321 R522 J4 KEYI Y KEY2 RN D320 04 R322 R523 J3 i m POWER m D321 05 R323 R524 J3 0345 M7 R324 R525 J3 R520 SW552 J 80 m 050 C6 R327 R527 2 4 T ne DATA H5 R331 R528 J2 680 mm 5 55 SWSOS DATA_O C6 R332 R529 J2 a i 0 DATA_O H5 R333 R530 J2 I R522 SW554 awed JJ DATA_O F4
37. RAM OF ICs FAN8039BD3 5 CH Motor Diver Description The 8039 is a monolithic integrated circuit suitable for a 5 CH motor driver which drives the tracking actuator focus actuator sled motor tray motor spindle motor of the DVDP CAR CD systems T t N B 4 d o th FIN 9 8 5 c GND S Z mn All Active Reg Only Deactive Reg Only Active All Deactive Pin Definitions NO Symbol Description Symbol Description CH1 Drive Output Power Ground a 2 3 5 2 CHI Drive Output gt 16 006 CHS Drive Output 3 Ni CHT Drveinput 17 DOS CHSDrive Output L4 REGVGS Regulator Sunol Gags 18 Dos bv Out 5 REB Regulator Output 00 CHaDneoupum Ls REO Regulator Feedback iu 0 Ni 8 enDi TC 2 Ps Poems _ o Motor Speed 23 VREF Bias Votage _ 10 Toro 24 vec Sup votaetcr _ CH5 Reverse Input 25 CH4 Drive M CH2 Drive Input Drive Output CH2 Drive Output Drive Output 14 002 CH2 Drive Output 28 GND3 Power Ground2 CH 1 4 2 38 KA78R33 Low Dropout Voltage Regulator Description The KA78R33 is a low dropout voltage regulator suitable for various electronic equipments It provides constant voltage power source with TO 220 4 lead full mold pa
38. SECTION 4 SPEAKER SECTION MODEL FE 286E 4 2
39. SO j 10K 8 2K 8 2K 8 2K 47K i ae 10 8 2K 1000p NE C857 2 azousiev 16V a QQ Q PHOTO 46666 6 8 66 Old 9 R863 gt R862 R860 220 68K R861 100 100 C821 0 1u L C859 0 1u 4 8PIN LOADING CL UP 5 OP DN 2 TURC 8 TUR 000006000008 a 02 05 15 8 3615 SANYO 3CDP MAIN 2 26 LOCATION GUIDE WIRING DIAGRAM 3CD CHANCER MECHANISM ASSY FFH 286 WIRING DIAGRAM MP3 MUTE REC SYNC REMAIN RANDOM RDS EET JK701 SPK TERMINAL 6 ohm HEAT SINK TM DP UHR URS POWER PWB MIC PWB UU rr KEC SCHEMATIC DIAGRAM FFH 286 WIRING DIAGRAM C110M 4 7K 2 2 2 28 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD SOLDER SIDE H Z896 MAIN 286 MIC R234 46 N 00201 11 s
40. ala a eS 2 2 2 2 Tol f BE 20 5DA NEC ate eal nee u AT 2 SW555 e 096 ei Dm amp 461 o RA T 5 LU Cent a 24 GNDIAI 52 5883 3955 4518 NE il ac Uo coc o o W394 W521 26 5 6V mm aN 7 I lt 27 PWR SAVE JAED 0 4 gt eit T 28 VKK 5 5 9 s 8 I 1218 5 Tod 1 a w523 30 F1 gx EV C se D Tea 5 COUNTER SW512 d W399 Ni Es PLAY MODE 8 ot pe e senos s t js 4513 e H E o m FUL ITU S ens e eO dum aii o SW510 CD SYNC 2 Ww o RDS SET NORMAL 8 8 CD PAUSE EE EE lt Ge R510 ava 9 G X R509 wl gt 2 R508 R507 s gt gt gt Nr nal el SS 9 54 0 l ar gt acu u Lt e e I a 50508 54507 50506 4505 54504 SW503 Bar 0 STOP CLEAR TUNING PLAY FWD PLAY TUNING 1 REC PAUSE doo ESS c EE 2 35 2 36 FO K7 CD MAIN P C BOARD 08807 G 0802 0803 H4 PN801 A5 PN802 2 PN803 A4 PN804 PN805 PN806 H3 PN807 H5 PN808 H3 PN809
41. ckage Dropout voltage of KA78R33 is below 0 5V in full rated current 1A This regulator has various function such as peak current protection thermal shut down overvoltage protection and output disable function Internal Block Diagram HIGH LOW OUTPUT 1 4 R2 SHORT CIRCUIT PROTECTION LC72131 AM FM PLL Frequency Synthesizer LC72131 Top view gaps 2 39 Block Diagram AMIN 12bits PROGRAMMABLE DIVIDER ATC LA1837 Single Chip Home stereo IC with Electronic Tuning Support The LA1837 is a single chip AM FM IF and MPX IC that supports electronic tuning and was developed for use in home stereo systems It is optimal for use in automatic station selection systems that use the SD and IF counting techniques Block Diagram AM STEREO L R INPUT L OUT R OUT O O 0 DECODER ANTI BIRDIE E FM IN 10 7MHz 2 40 KIA 78 12 4 TERMINAL LOW DROP VOLTAGE REGULATOR The KIA78RXX Series are Low Drop Voltage Regulator suitable for various electronic equipments It provides constant voltage power source with TO 220 4 termainal lead full molded PKG The Regulator has multi function such as over current protection overheat protection and ON OFF control ELECTRICAL CHARACTERISTICS Unless otherwise specified Io 0 5A Ta 25 C Notel CHARACTERISTIC SYMBOL CONDITIONS KIA 8R05 4 88 2 585 60 780 80 Output Voltage 8 78 KIA78R10 9
42. hooting Refer to IC203 trouleshooting Check the Low of Q208 C Replace the Q208 Replace the L203 2 16 BLOCK DIAGRAM NOTE Warning NOTE Parts that are shaded are critical With respect 1 Shaded IB parts are critical for safety Replace only to risk of fire or electrical shock with specified part number 2 Voltages are DC measured with a digital voltmefer during Play mode lt ANT FM MW AM LW SW JK 701 TUN101 SPK eno AM FM IF amp MPX IC IC102 LA1837 1702 440D LA4631 C701 Kenan osc FUNCTION amp VOLUME controi 4 EQ Hg gt L CH R CH POWER IC x OSC LW SW OPTION FIP301 A MUTE JK102 0055 TIMER SLEEP PROG MEMORY uom STEREO REPEAT ALL Aux O3 MUTE SYNC REMAIN RANDOM RDS DISC HI SP o mau LA na ua u 0 C3 C3 C3 C3 CO C3 C3 C3 C3 C3 C3 C3 E23 C3 C3 C3 C3 CA C3 C3 C3 C3 C3 C3 C2 IC204 IC204 4 4558 4558 HEAD MUTE 202 KIA6289N 77 R P HEAD La REC MUTE gt X o TAPE A B HEAD SWITCH 201 A DECK MODE BA3126N MOTOR am
43. iately prior to use 2 The pick up should never be subjected to external pressure or impact Storage in conductive bag Drop impact 2 Repair notes 1 The pick up incorporates a strong magnet and so should never be brought close to magnetic materials 2 The pick up should always be handled correctly and carefully taking care to avoid external pressure and impact If it is subjected to strong pressure or impact the result may be an operational malfunction and or damage to the printed circuit board 3 Each and every pick up is already individually adjusted to a high degree of precision and for that reason the adjustment point and installation screws should absolutely never be touched 4 Laser beams may damage the eyes Absolutely never permit laser beams to enter the eyes Also NEVER switch ON the power to the laser output part lens etc of the pick up if it is damaged NEVER look directly at the laser beam and don t let contact fingers or other exposed skin 5 Cleaning the lens surface If there is dust on the lens surface the dust should be cleaned away by using an air bush such as used for camera lens The lens is held by a delicate spring When cleaning the lens surface therefore a cotton swab should be used taking care not to distort this Pressure x Conductive Sheet 6 Never attempt to disassemble the pick up Spring by excess pressure If the lens is extremely dirty apply isopropyl alcohol to the
44. ie PAY nos 22222 di Fa x m wo 0715 C740 va ON ES N D785 C773 EC ce gt BAe SE 848 2 gl _ 6 on A lid 9 NL _ R719 0748 ENE R774 o e E Ll tO 0715 0714 a e R775 t 2 9 o S BG 8 C284 o R73 B El e EAT ae 1 N LE c5 16204 i 1 R NAT Bo Sa 380 N 1 BE ESE EAS am mc NM dl 286 o E E W242 D713 R732 R227 tw W763 ana R228 Wie d R226 o C243 e t BI DR C783 _ Fm R277J200 wa 5 R206 5 8 m R 0783 _ 1 lt 215 AN gt A Ss R714 gom lt E 1 ri d _ 8715 mM LY J Br a mas 20703 W751 lt 585 Sg 4 Qi li f ts m W222 o o C726 gy Z S QIS S p AU PF t oo C727 W754 5 5 gom a a T lei I H I ne z m m as LM ge 15 m l 8 1 mp hese qi 9 tz Tu o m T DOES c LJ el 1 _ JF QAN Zee Lam L203 a BE E E g aa T A m a 217 lt o 2 ENS R274 R280 7 2 bis uf Mi 1 783 R456 269 C264 202 W216 9 as e LN W208 zu C776 207 E
45. mended that any attempt is made to modificate any circuit If any parts are replaced or if anyone tampers with the adjustment realignment may be necessary IMPORTANT 1 Check Power source voltage 2 Set the function switch to band being aligned 3 Turn volume control to minimum unless otherwise noted 4 Connect low side of signal source and output indicator to chassis ground unless otherwise specified 5 Keep the signal input as low as possible to avoid AGC and AC action TAPE DECK ADJUSTMENT 1 AZIMUTH ADJUSTMENT A Deck Playback MTT 114 Speaker Out Bu LEN Maximum Azimuth Screw B Deck Playback MTT 114 Speaker Out Azimuth Screw Electronic Dual trace Voltmeter synchroscope Test Tape MTT 114 Figure 1 Azimuth Adjustment Connection Diagram 2 MOTOR SPEED ADJUSTMENT Deck Mode Test Tape Test Point Adjustment Adjust for Normal Speed MTT 111 Speaker Out VR201 3kHz x 196 HI Speed MTT 111 Speaker Out more than 5 4kHz HI Speed Dubbing Mode Speaker Out Frequency Counter pee Playback Mode 3 Record Playback head Figure 2 Motor Speed Adjustment Connection Diagram vds 3 RECORD BIAS ADJUSTMENT Deck Mode Mode Test Tape Test Point ERASE HEAD 60kKHz 5kHz Auto stop Hec P MTT 5511 L203 msn WIRE PN202 E BSkHzs5kHz Auto Reverse Record Playback pN202 Head Frequency Counter and Pause Mode Test Tape MTT 5511 Record Playback head Figure 3 Record Bias
46. motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity sufficient to damage an ESD device CAUTION GRAPHIC SYMBOLS THE LIGHTNING FLASH WITH APROWHEAD SYMBOL WITHIN AN EQUILATERAL TRIANGLE IS A INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF UNINSULATED DANGEROUS VOLTAGE THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE 1 4 SPECIFICATIONS General Power supply Eemal dimensions x H xD Se gt Dynamic range range 70dB 87 5 108 0MHz or 65 74MHz 87 5 108 0MHz Intermediate Frequency Intermediate Frequency 10 7 MHz Signalto noise ratio Response Intermediate Frequency THD 2 0 396 Frequency Response 42 20000Hz Signal to noise ratio 80dB EL Output Power SW 5W TAPE Tape Tape Speed 1 4 7 5cm sec TapeSpeed o 1308 50dB P B 45dB R P Speaker MODEL FEE impedance 2 Net Weight 1 67kg NOTE Specification are subject to change without notice in the course of product improvement db SECTION 2 ELECTRICAL ADJUSTMENTS This set has been aligned at the factory and normally will not require further adjustment As a result it is not recom
47. p N REC BIAS SOLENOIDE 0 CONTROL prm E EE UE _ x L203 a amp HOLE INPUT e 7 E EZ BEAT CUT CONTROL B DECK MODE DECK SWITCH amp HOLE INPUT 1301 77 LC8 F 6 64 0745 0746 0747 0748 1 1 POWER SOURCE 2 CD EXPENDER 6 2V 0 B x K D742 D743 D744 D741 O ase UE MOS 7812 p H U lt m O 12V O ES S lt 8 5 6V A o IC705 3300 35 CN307 ANALOG x 6PIN POWER SOURCE 1 i ES ROM WRITE 12V OO 1 F1 POWER KEC TR 27 706 7805 Q V MICOM POWER P S lt 5 6V AC 4 6V FOR FIP BLOCK DIAGRAM FFH 386 586 2 17 2 18 SCHEMATIC DIAGRAMS MAIN SCHEMATIC DIAGRAM NOTE Warning NOTE A Parts that are shaded are critical VVith respect 1 Shaded parts are critical for safety Replace only LOCATION GUIDE to risk of fire or electrical shock with specified part number 2 Voltages are DC measured with a digital voltmefer during Play mode 12V A A9 0102 D2 R725 1 5 6V B9 0601 5 R726 011 AC JACKP3 D704 D5 R727 011 C141 M7 0706 H3 R728 010 C160 8 0710 F7 R729 J11 C185 BM D711 H5 R730 L3 C186 B11 D712 J4 R731 H2 C203 08 0713 J3 R732 J3 C223 N7 0714 J2 R743 9 Coda C2 0715 J2 R756 K10 TAPE R 701 TDA7440 C472 47 16 C471 T R477 1K II JK102
48. r 5bmA lt ViN lt 25V Ta 25C Ilovr 50mA 10Hz lt f lt 100kHz f 120Hz 80V lt Vw lt l18V lour 50mA 25 lours 1 T 25 X T 25 Iour omA OT lt T lt 125 C In Alp 1 Isc 2 channel head switch for radio cassette recorders GND P BSW c 1 z REC SW 2 43 UNIT TYP MAX us 54 Le BHD pe BHD K Band B BIB BUB 3 1 D 1 D 1 D D 9 1 CCC EES El 1 4 5 rms 7 mV TC BU2090F 12 bit Serial IN Parallel OUT driver Block diagram VDD Q11 Q10 Q9 Q8 PIN DESCRIPTION Pin No Pin name Function BU2090 F FS BU2092 F BU2092 FV 1 1 1 Vss GND 2 2 2 DATA Serial data input 3 3 3 CLOCK Data shift clock input 4 4 LCK Data latch clock input 4 5 5 Q0 parallel data output 5 6 6 Q1 parallel data output 6 7 7 Q2 parallel data output 7 8 8 Q3 parallel data output 8 9 9 Q4 parallel data output 9 10 10 Q5 parallel data output 10 11 11 Q6 parallel data output 12 N C Not connected 13 N C Not connected 11 12 14 Q7 parallel data output 12 13 15 Q8 parallel data output 13 14 16 Q9 parallel data output 14 15 17 Q10 parallel data output 15 16 18 Q11 parallel data output 17 19 OE Output Enable 16 18 20 VDD Power supply 2 44 REPAIRS REGARDING CD MECHANISM IMPROVED METHOD WHEN THE TRAY GEARS WERE DISTORTED TL cd
49. the CLK Data of IC203 pin 2 3 YES Check the CONTROLL function NO Replace the Check the pattern YES IC203 of IC301 IC203 END 2 12 401 Troubleshooting Check the power of IC401 Pin29 Check the Pulse of IC401 Pin21 22 NO Check the IC301 Pin85 86 75 76 Refer to IC301 Troubleshooting Check the PATTERN of MICOM 85 86 401 Pin 21 22 Replace the IC401 Replace the IC401 Check the signal output of IC401 Pin 32 33 YES Check the Signal output of pin25 24 NO FM TUN101 Check the 10V input of TUN101 B 6 YES Check the 12V of Q102 E NO Refer to Power Circuit Trouble shooting Check the LOW of IC 103 Pin 7 Check the High Voltage of TUN101 VT 5PIN Refer to IC 103 YES Troubleshooting Replace the Q102 Replace the TUN101 Check the OSC waveform of TUN101 Pin 8 Refer to IC102 Troubleshooting Replace the TUN101 102 Troubleshooting Is power supplied to pin8 10V NO Refer to Power Circuit YES Troubleshooting Check the waveform of Pin 20 21 NO Check the FM TUN101 amp AM L107 YES Heplace the IC102 Check the output of Pin 16 17 NO YES Check the Low of Pin 13 NO Refer to IC103 YES Troubleshooting IC103 Troubleshooting Check the power supplying to pin 17 NO Refer to Power Circuit YES Troubleshooting Check the oscillation of X104
50. va C704 R766 W744 D E W115 LE 28766 E MEC WESS V CD POWER e a WUES W116 m EN REC MUTE C198 mu Rut PB MUTE j WH3 W117 I 2 _ e DC N a NM 297 47 AA x l M al PLL DO JR ios 1 o EZ TS EC 1026 aye ae AE 1 gt qa GT pA Fan C146 199 Ne 22 FM ST p Imi m LAE e I Js ma LES EE 1 E MW GN Be C907 e Rev lt EZ h cide oU m RDS SIGNAL 2 m M Sinn es led R137 R192 W142 ma R133 N JK101 40126 2s S 286 MAIN Tees on 6870R5151AA NOS 20020809 7 1C701 F4 A BT CI D T PI H L J L M I N Q 2 29 2 30 MAIN P C BOARD COMPONENT SIDE SW601 FFH 286 MIC c132 2 R234 5 20104 D 4 _ N en o 3 W798 gt W245 lt gt gum uo a exem FA 6773 9 0741 B W757 m 4 E a 0715 v RIG VM 2 ee A E 4 b 7 a 5 22 C735 0744 tS A cms C740 5 18 4 NS 7 11 55 HOO P 5 zizin x 4 yf 702 5
Download Pdf Manuals
Related Search