Sharp CD-BA300 Service Manual Download Page 61

Page: 61 / 64

CD-BA300

Figure 8 CABINET EXPLODED VIEW (1/2)

– 8 –

CD-BA300

Tape

Motor

MAIN BELT

FLYWHEEL

ASS'Y

TAPE1

FLYWHEEL

ASS'Y

TAPE2

FF/REW

ROLLER

ASS'Y

FF/REW

ROLLER

ASS'Y

BELT CONNECTION

202

202-1

PWB-A

202-2

PWB-B1

PWB-B2

221

223

Q851

Q850

Q852

M901

PWB-F

226

218

223

207

211

258

258-1~258-11

IC901

IC902

201-10

201-9

201-14

201-21

201-15

201-20

201-19

201-18

601x1

608x1

214

FL701

610x2

201-15

201-17

201

208

201-1

201-12

201-8

201-4

201-6

201-7

201-5

201-2

216

219x2

201-3

217

213

617

604

230

212

222

203

203-2

203-1

224x12

PWB-D3

PWB-D2

220

T801

PWB-D1

210

612x2

603x2

603x1

606x12

610x3

610x10

610x2

610

605x2

610x1

608x5

609x1

603x1

610x1

616x4

209

611x2

201-23

201-24

215

205

Silicon

Grease

Silicon

Grease

201-13

201-16

201-11

201-24

201-22

215

610x2

613x1

608x1

Note: Only the unit and consumable parts are supplied as parts supply for the Tape mechanism.

Summary of Contents for CD-BA300

Page 1: ...D CIRCUIT 40 TROUBLESHOOTING 41 FUNCTION TABLE OF IC 45 LCD DISPLAY 51 REPLACEMENT PARTS LIST EXPLODED VIEW PACKING OF THE SET FOR U S A ONLY MINI COMPONENT SYSTEM MODEL CD BA300 In the interests of user safety the set should be restored to its original condition and only parts identical to those specified be used SERVICE MANUAL This document has been published to be used for after sales service o...

Page 2: ...300 CP BA300 IMPORTANT SERVICE NOTES FOR U S A ONLY BEFORE RETURNING THE AUDIO PRODUCT Fire Shock Hazard Before returning the audio product to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the audio product 2 Inspect all protective devices such as insulatin...

Page 3: ...tton with Indicator 23 CD Fast Forward Tape 2 Fast Forward or Tuner Preset Up Button 24 Tuning and Time Down Button 25 Memory Set Button 26 Tape 2 Record Pause Button 27 28 CD Fast Reverse Tape 2 Rewind or Tuner Preset Down Button Remote Sensor 18 22 4 28 5 17 16 15 14 13 12 24 25 26 27 23 19 20 21 6 7 1 2 3 8 9 10 11 Display 01 Extra Bass Indicator 02 Disc Number Indicators 03 Spectrum Analyzer V...

Page 4: ... 2 Record Pause Button 11 CD Button 12 Tuner Band Button 13 Power On Stand by Button 14 Extra Bass Button 15 CD Stop Button 16 CD Play or Repeat Button 17 CD Fast Forward Button 18 CD Random Button 19 Tuner Preset Up Down Buttons 20 Tape 2 Play Button 21 Tape 2 Rewind Button 22 Tape 2 Fast Forward Button 23 Video Auxiliary Button 24 Tape 1 2 Button 25 Volume Up or Down Buttons 1 2 15 16 17 18 19 2...

Page 5: ...display and then press the MEMORY SET button 4 Press the TUNING TIME or button to adjust the hour and then press the MEMORY SET button Press the TUNING TIME or button once to advance the time by 1 hour Hold it down to advance continuously When the 12 hour display is selected AM will change automatically to PM 5 Press the TUNING TIME or button to adjust the minutes and then press the MEMORY SET but...

Page 6: ...inside the cabinet CD pickup tape heads etc or on the transmitter on the remote control Condensation can cause the unit to malfunction If this happens leave the power on with no disc or cassette in the unit until normal playback is possible about 1 hour Wipe off any condensation on the transmitter with a soft cloth before operating the unit Possible cause Did a power failure occur Reset the clock ...

Page 7: ...Insert the batteries Replace the cover battery cover as shown Extraiga la cubierta Inserte las pilas Vuelva a colocar la de las pilas como se muestra cubierta 2 2 System Connections Conexiones del sistema 3 3 FM antenna Antena de FM AM loop antenna Antena de cuadro de AM Blue Azul Red Rojo Black Negro Right speaker Altavoz derecho Left speaker Altavoz izquierdo AC outlet AC 120 V 60 Hz A un tomaco...

Page 8: ... de cassette TAPE 1 o TAPE 2 Listening to the Radio Audición de la radio TAPE 1 TAPE 2 FM stereo mode indicator Indicador del modo de FM en estéreo FM stereo receiving indicator Indicador de recepción de FM en estéreo 1 Open the cassette door by pushing the area marked PUSH EJECT Abra la puerta del cassette pulsando la parte marcada PUSH EJECT 2 Load the cassette into the TAPE 1 or TAPE 2 cassette...

Page 9: ...te tape and compact disc out of the unit 2 Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need to be removed when disassembling the unit After servicing the unit be sure to rearrange the leads where they were before disassembling 4 Take sufficient care on static electricity of integrated circuit...

Page 10: ...e Chassis L2 x1 CD Player Unit L1 x2 1 3 2 M1 x3 M1 x3 Main PWB Main PWB Amp PWB Transformer PWB E3 x1 Power PWB E2 x1 E2 x1 E2 x2 Amp PWB F1 x2 ø3x10mm F1 x2 ø3x10mm F2 x1 F3 x1 F1 x1 ø3x8mm G1 x1 ø3x8mm Push F3 x1 Push F3 x1 Push H3 x1 H2 x12 ø3x10mm J1 x5 ø3x10mm H1 x1 Display PWB Headphones PWB Open Cassette Holder Tape Mechanism K1 x1 ø3x10mm ...

Page 11: ...11 4 4 Tweeter 1 Screw D1 x2 11 4 STEP REMOVAL PROCEDURE FIGURE Figure 11 3 Figure 11 1 Figure 11 2 CP BA300 Figure 11 4 N3 x2 N2 x2 N3 x2 CD Servo PWB Slide Chassis N1 x1 ø3x8mm P2 x3 P1 x1 Q1 x5 P1 x1 Loading Motor PWB CD Mechanism A1 x4 ø4x20mm A4 x2 ø4x20mm A3 x2 A3 x2 A2 x1 A4 x2 ø4x20mm C1 x4 ø4x16mm B1 x4 ø4x16mm D1 x2 ø3x10mm Tweeter Woofer Sub Woofer ...

Page 12: ...C1 x 1 pc in the direction of the arrow B Note When installing the pinch roller pay attention to the spring mounting position How to remove the belt TAPE 2 See Fig 12 4 1 Remove the main belt D1 x 1 pc from the motor side 2 Remove the FF REW belt D2 x 1 pc How to remove the belt TAPE 1 See Fig 12 4 1 Remove the main belt E1 x 1 pc from the motor side 2 Remove the FF REW belt E2 x 1 pc How to remov...

Page 13: ...1 x 5 pcs to remove the loading motor 2 Remove the drive belt A2 x 1pc Figure 13 1 ADJUSTMENT MECHANISM SECTION Driving Force Check Torque Meter Specified Value Play TW 2111 Tape 1 Over 80 g Tape 2 Over 80 g Torque Check Torque Meter Tape 2 Play TW 2111 30 to 80 g cm 30 to 80 g cm Fast forward TW 2231 70 to 180 g cm Rewind TW 2231 70 to 180 g cm Specified Value Tape 1 Specified Value Adjusting Poi...

Page 14: ...mp SW or Disc SW do not change to low 0307 Clamp SW not function Low High 0308 Clamp SW not function High Low Items adjusted automatically 1 Offset adjustment The offset voltage between the head amplifier output and the VREF reference voltage is compensated inside the IC Focus offset adjustment Tracking offset adjustment 2 Tracking balance adjustment waveform drawing Fig 14 2 EFBL 3 Gain adjustmen...

Page 15: ... key input Tracking OFF play at that specific point MEMORY key input Tracking ON play from that specific point STOP key input STOP IL isn t done VOL Last memory BAL CENTER P GEQ FLAT X BASS OFF To cancel Power OFF Sliding the PICKUP with button must only be in STOP mode MEMORY key input Adjustment result automaticallywill display as below for each 2 sec a FOFF_XX b TOFF_XX c TBAL_XX d TGAN_XX f FG...

Page 16: ... Detection 02 DC Detection 03 TAPE Mechanism Error ER TA 00 Tape Mechanism Error 01 Initial Error 02 03 CD VCD Pickup Mechanism Error ER CD 00 Pickup Mechanism Error 01 PU IN SW Detection NG 02 03 04 CD Changer Mechanism Error ER CD 10 Changer Error 11 Initial Error 12 13 Tray Error ET CD 20 Tray Error 21 22 23 Focus Not Match NO DISC IL Time Over NOT READ TUN PLL Unlock ER TU 00 TUN Error 01 PLL ...

Page 17: ...VDD RVDD LVDD ADAVDD RFVDD XL1 33 8688MHz OC DISC NO CLAMP SW CD RES CLK DI DO CE DRF WRQ 5V 5V DGND L CH AGND VCC3 VCC2 VCC4 VCC1 IC2 M63001FP FOCUS TRACKING SPIN SLED DRIVER XIN XOUT RES WRQ DO DI CLK CE TIN2 TIN1 FIN2 FIN1 TD0 FD0 SPDO SLDO CONT5 CONT2 CONT3 CONT4 RCHO RVSS LVSS LCHO 80 42 79 75 20 5 40 18 24 23 14 8 21 22 29 35 41 47 46 7 10 9 8 7 15 1 2 17 25 42 41 83 39 4 7 6 5 16 82 26 27 3...

Page 18: ...08 REC PB HEAD TAPE 2 PB HEAD TAPE 1 L CH R CH L CH R CH IC601 LC75341 AUDIO PROCESSOR H N P B B4 R L REC R L L NF R NF ALC REC T1 T2 T1 T2 NOR HIGH REF R REC L REC POP REDUCE R NF L NF SWITCHING L T2 R T2 R T1 L T1 IC101 PLAYBACK AND RECORD PLAYBACK AMP R L FM AM MPXIN STEREO AM RF IN AM OSC IN FM Q360 VT OSC X352 4 5MHZ AM BAND COVERAGE AM TRACKING T303 T306 Q302 X351 456kHz MO ST VCO FM DET FM ...

Page 19: ... F805 2A 125V F806 2A 125V F804 5A 125V F802 4A 125V F801 4A 125V Vcc Vcc L OUT R OUT F803 5A 125V CLK MAIN AC POWER SUPPLY CORD REC PLAY VLOAD RESET SUB WOOFER B5 B5 B5 B5 VDD VDD VDD R OUT L OUT SP DET SYSTEM MUTE CE DI DO XL701 4 194304MHz Vcc Vcc IC901 STK40271 POWER AMP BIAS T1 T2 AVDD KEY SW701 SW703 SW709 SW716 SW722 SW729 SW731 SW734 TO CD SECTION T F IC701 1 2 IX0398AW SYSTEM MICROCOMPUTE...

Page 20: ...VREF VCC PICKUP UNIT TR TR TR TR FO FO FO PD VR LD F C B A E VCC VREF SLIDE SPIN PU IN 1 2 3 4 5 6 1 2 3 4 5 6 5 3 6 2 7 1 4 5 3 6 2 7 1 4 5 3 6 2 7 1 4 5 3 6 2 7 1 4 4 1 3 6 5 2 4 1 3 6 5 2 M M 4 8 5 2 1 7 3 6 4 8 5 2 1 7 3 6 4 8 5 2 1 7 3 6 4 8 5 2 1 7 3 6 2 CNP1 CNSA1 CNSB1 R6 33K R5 12K R4 12K R3 33K R1 12K R2 12K C1 47 25 C2 0 01 CNP2 CNSA2 CNSB2 C38 0 01 C39 100 10 R44 12K C41 100 10 CNP3 CN...

Page 21: ...SPDO FDO TDO REF1 VREF ADAVSS ADAVDD JITTC RFMON TE TEC FE TIN2 F TIN1 E FIN2 B FIN1 A RSVSS RFVDD RF EFMIN SLCIST SLCO 5V DGND L CH AGND R CH 6 3 5 4 2 6 1 3 5 4 2 6 1 3 5 4 2 6 1 9 8 7 6 2 4 5 3 1 5 4 3 2 1 3 1 2 CNS703 CNS11 CD LOADING MOTOR PWB E 2 R49 1 D2 DS1SS133 D1 DS1SS133 Q3 KRC102 M R45 470 R46 470 R20 10K R13 1K R14 1K R15 1K R16 1K R18 1K R17 1K P C11 0 22 50 C10 10 50 2 C5 47 ML R11 ...

Page 22: ...C106 180P Q104 2SC1845 F Q106 2SC1845 F R106 3 3K R104 2 2K Q109 KTA1266 GR R113 10K C109 0 047 R114 10K R115 4 7K C153 100 16 Q110 KRC104 M R155 150 R853 22K C857 47 25 C856 0 047 ML C855 0 047 ML R856 560 Q851 KIA7810AP R855 3 3 1 2W R850 3 3 1 2W ZD851 DZ2 4BSB Q850 KTC2026 C851 22 50 C852 0 047 ML R852 22K C858 0 047 ML C828 0 047 ML Q821 AN78L05 D816 DS1SS133 C829 0 047 ML C830 47 25 Q852 KIA...

Page 23: ...2 R CH L CH 23 22 21 20 19 17 18 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 TO DISPLAY PWB P21 12 D CNP701 1 23 21 L05 D816 DS1SS133 C829 0 047 ML C830 47 25 A7805AP C859 0 047 ML C860 47 25 R854 10K R638 470K R154 10K R153 10K Q121 KTC3199 GR GR CNP601 FC701 Q126 KRC104 M Q128 KTC3203 Y L104 330µH C151 0 039 ML R168 4 7 C154 0 047 ML R166 22K R167 47K R162 47K R164 4 7K Q124 2SA1015 GR R158 220 C146 ...

Page 24: ...R Q711 KTC3199 GR Q712 KTC3199 GR R727 1K R728 1K R729 1K R701 100K R704 100K R716 100K Q703 KTC3199 GR Q702 KTC3199 GR Q701 KTC3199 GR R702 1K R705 1K R719 1K R724 33 CS701 270P RS725 390K CS702 270P RS701 33K RS702 12K CS703 0 0068 RS703 470K RS705 47K D701 DS1SS133 RS704 220K RS706 2 2M CS704 0 0068 RS707 2 2M D702 DS1SS133 D703 DS1SS133 CS719 2 2 50 RS709 220K CS705 0 022 CS706 0 022 RS710 150...

Page 25: ...IN PWB P19 10 H FW801 B B B B B B B B B FM SIGNAL R758 1K R756 2 2K R755 2 2K R754 2 2K R762 1K R761 1K R760 1K R759 1K R766 1K R768 1K R767 1K R791 1K R782 1K R783 1K R784 1K R785 1K R786 1K R787 1K R788 1K R789 1K R790 1K R770 1K R771 1K R772 1K R769 1K XL701 4 194304MHz C724 18P C723 15P R773 1K R774 1K R775 1K R776 1K R777 1K R778 1K R780 1K R779 1K R781 1K C725 0 022 C726 220 10 C722 47 50 IC...

Page 26: ...969 1K C958 2 2 50 R968 1K C953 47 25 C986 0 022 R967 330 C947 100P R958 8 2K C948 100P C950 0 022 R964 18K R962 4 7K C946 0 15 R959 8 2K C945 0 15 C954 0 22 C955 0 22 R956 18K R957 18K R965 18K R963 4 7K C949 0 022 CNP902 Q991 KRA107 M C990 3 3 50 Q990 KRC107 M R997 100 R901 100 C903 100 50 R908 1K R904 56K C910 15P C908 47 50 R906 820 C906 220P R918 1K R902 22K C940 0 22 50 R993 0 22 2W R995 0 2...

Page 27: ...8 DS1N404S C804 0 047 ML C803 0 047 ML C807 100 50 C808 100 50 D809 DS1N404S D818 DSIN404S ZD801 DZ36BSC R801 2 2K C810 47 50 C812 100 35 C811 47 50 R802 10 R804 47K R803 12K R822 47 R821 47 ZD802 DZ6 2BSB Q801 KTA1274 Y D810 DS1N404S CNP903 R976 1K R932 1K R928 56K C930 1 50 R930 820 C928 15P C926 220P C922 100 50 R924 100 R926 22K C939 0 22 50 R986 0 22 2W R984 0 22 2W D904 DS1SS133 C923 100 50 ...

Page 28: ...AND PASS FILTER CNP301 R326 82 D305 DS1SS133 C308 4 7P UJ L312 R314 22 R313 33K R311 100K C309 0 001 C310 15P CH VD302 SVC211C C311 18P C324 3 9P UJ T301 FM OSC C306 0 022 VD303 SVC211C R309 10K T302 FM IF C313 22P CH CF303 C312 0 022 C318 100P Q302 KTC3194Y R327 33 R325 47K R322 680 C317 0 001 C316 0 022 C315 0 0047 C314 0 0047 R375 470 C382 15P CH R382 150 C397 0 022 X352 4 5MHz R381 10K C3 47 R...

Page 29: ...30P R395 47K R375 470 2 CH R382 150 C397 0 022 R385 5 6K Q360 KTA1266 GR R391 270 X352 4 5MHz R381 10K R378 1K L351 100µH R377 47K R359 1 8K R376 1K R387 5 6K R372 1K C394 47 25 C392 0 001 C387 0 022 R374 1K R373 1K R380 1 5K C393 1 50 R384 5 6K C391 47 25 R383 5 6K R379 2 2K C380 10 50 C385 0 01 1 CH C357 2 2 50 C356 0 001 C398 100 10 C399 0 022 C353 0 022 R355 3 3K R393 1K C370 1 50 R388 3 9K C3...

Page 30: ...C371 C367 C373 C374 R357 C368 C372 C365 C606 C613 C607 R607 C609 R608 C619 IC601 Q603 Q604 C621 C627 C625 Q6 Q606 C629 C623 C628 C630 C626 C624 D601 D602 C622 C601 C620 C610 C608 R631 R632 C602 C614 C331 T306 C401 C364 R358 T303 C362 BF301 D305 L312 CF303 C304 R309 R314 IC301 T302 CF352 Q302 T301 C307 R382 C393 R375 C380 L351 C394 IC302 X352 CNP301 C603 JK601 VIDEO IN R CH L CH VD301 VD302 VD303 1...

Page 31: ...134 C121 C124 C122 C128 R136 C134 C133 IC101 Q122 C142 C136 C141 C146 Q121 C145 C856 C855 C860 C859 C852 C857 R852 R856 R850 R854 ZD851 R855 R853 C835 C820 CNS902 CNP902 Q821 D816 C858 C828 C829 C830 R157 C642 R156 C641 C617 C618 BI11 CNP601 03 Q605 Q852 Q851 Q850 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20 23 24 22 21 18 1 7 7 6 5 4 3 2 1 RD RD GY WH GY WH GY GY WH WH GY WH GY WH B C E B C E ...

Page 32: ...G UP SW702 CLOCK Q707 Q706 SW714 DIMMER R700 SW701 POWER D720 C726 D721 CNP701 C715 R751 R738 R739 R741 R742 R745 R744 R747 R721 R758 R754 R755 R756 R760 R761 SW722 CD SW729 STOP SW726 REWIND SW725 MEMORY SET SW731 REC PAUSE SW727 FAST FORWARD SW728 PLAY SW734 TUNER SW723 TAPE R770 RD13 R769 R772 R771 R762 R759 FL701 LED722 LED701 LED702 3 1 1 7 5 11 9 15 13 19 17 23 21 2 6 4 10 8 14 12 18 16 22 2...

Page 33: ...GE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK SW716 EQUALIZER SW733 VIDEO R770 R796 BI703 CNS703 C722 R727 R728 R729 R702 R705 R719 R781 RX701 XL701 R780 R779 R703 R777 R776 R775 R773 D703 RS727 CS719 IC703 CS715 CS718 CS710 CS716 D704 RS723 Q708 Q705 Q704 D713 D712 JOG701 C719 CNP702 SW712 DISC SKIP SW711 DISC 3 SW715 X BASS SW710 DISC 2 RS708 D705 ZD701 D706 SW709 DISC 1 IC704 D701 D702 SW71...

Page 34: ...7 C931 C929 C927 C943 R929 R977 C941 R973 C923 R975 R974 C944 C921 C942 C920 R972 C930 C939 R930 R976 C922 C926 R928 C928 CNP902 R997 Q991 Q904 Q903 Q990 C990 R903 R919 C909 C914 R917 C907 R907 R956 R957 R971 C961 C954 R967 C911 C904 C959 C949 R964 R969 C902 C946 R963 R958 C901 IC903 C908 C940 C948 1 2 3 4 8 7 6 5 R961 R962 C950 C903 C947 C953 R906 R968 C951 C906 C986 C958 R918 C957 R904 R970 R959...

Page 35: ...D806 R807 D805 ZD804 R814 D804 D802 C833 C832 C804 C803 D803 R821 R822 BI901 1 5 CNP903 1 2 3 4 5 6 7 JK701 HEADPHONES CNP705 1 2 3 4 5 T F T801 POWER TRANSFORMER 1 2 3 4 5 CNS901 F804 5A 125V F803 5A 125V F802 4A 125V F801 4A 125V F805 2A 125V E C B F806 2A 125V CNS903 FROM MAIN PWB P27 12 G HEADPHONES PWB B2 TRANSFORMER PWB D3 POWER PWB D1 AC POWER SUPPLY CORD AC120V 60Hz ...

Page 36: ... 3 2 1 5 4 2 1 6 9 10 11 12 7 8 3 CNP1 C40 R44 C41 C39 R49 R5 R2 R4 CNP3 R1 R6 R3 C9 CNP4 C12 C10 C11 C16 D1 D2 Q3 C14 C23 R18 R20 R30 R19 C48 C18 Q2 ZD2 L1 C24 R22 CNP7 ZD1 XL1 R32 R33 R31 R28 R29 R34 CNP8 R35 C35 C6 R36 C36 R37 C37 R38 C50 C3 R10 R9 C49 C5 Q1 R7 C1 CNP2 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 CNS601 P26 6 A FROM MAIN PWB CNS702 P29 10 A FROM DISPLAY PWB CD SERVO PWB C M1 SPINDLE MOTOR 1 7...

Page 37: ... WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK CNS4 TAPE MOTOR 1 1 2 3 2 4 5 6 7 8 1 8 CNS703 SOLENOID PH SW SW SW SOLENOID TAPE MECHANISM PWB F TAPE MECHANISM ASSEMBLY P29 9 G TO DISPLAY PWB CNP101 P27 11 D TO MAIN PWB P27 12 B TO MAIN PWB CNP102 TAPE 1 PLAYBACK HEAD TAPE 2 ERASE HEAD RECORD PLAYBACK HEAD FC702 BL WH YL BK PK WH BK BK BK PK WH WH WH PK BK 7 6 5 4 3 2 ...

Page 38: ... 9V 3 7V 3 7V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 40 39 38 42 41 37 36 35 34 33 32 31 PIN NO VOLTAGE IC1 0V 0V 0V 5 3V 5 3V 5 0V 5 0V 5 3V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 5 0V 10 2V 0V 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 PIN NO VOLTAGE IC601 0V 0V 0 5V 2 0V 0V 1 3V 0V 0 6V 3 5V 3 4V 0V 0V 7 0V ...

Page 39: ...f the capacitor without such a symbol is microfarad As to electrolytic capacitor the expression capacitance withstand voltage is used CH TH RH UJ Temperature compensation ML Mylar type P P Polypropylene type Schematic diagram and Wiring Side of P W Board for this model are subject to change for improvement without prior notice REF NO DESCRIPTION POSITION POSITION SW715 X BASS ON OFF SW716 EQUALIZE...

Page 40: ... 04 07 09 51 15 500ms div NORM 20kS s 2 1 Record Length Smoothing ON CH1 0 000V CH2 0 000V Main 100K Zoom 2K Mode NORMAL Type EDGE CH2 Delay 2 924ms Hold off 0 2µs CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset 1 IC1 21 6 IC1 22 T T TE DRF Stopped CH1 10V DC 10 1 CH2 1V DC 10 1 100ms div 100ms div NORM 100kS s 2 1 Record Length Smoothing ON CH1 0 0V CH2 0 00V Main 100K Zoom 2K Mode NORMAL Type ...

Page 41: ...KA0004AFZZ TROUBLE SHOOTING When the CD does not function When the CD section does not operate when the objective lens of the optical pickup is dirty this section may not operate Clean the objective lens and check the playback operation When this section does not operate even after the above step is taken check the following items Remove the cabinet and follow the trouble shooting instructions Tra...

Page 42: ...veform drawing Figure 42 2 Pins 7 12 79 and 80 on IC1 Check the laser diode driver Q1 peripheral circuit When a disc is loaded start playback operation 2 Does DRF change from L to H Is the disc rotating 3 Is the HF waveform normal Waveform drawing Figure 42 3 Check the spin system If the disc is spinning and a HF waveform is generated DRF will go H Figure 42 1 Check the laser diode driver Q1 perip...

Page 43: ...k the peripheral circuits at pins 14 15 and 20 on IC1 and CNS1A B If the waveform shown in Figure 43 1 appears and soon after NO DISC appears 2 Tracking system check Check the TE waveform at pin 15 on IC1 A normal jump operation cannot be completed or the beginning of the track cannot be found Check the around pin 20 on IC1 Initialization is possible but play is not possible Data cannot be read Ch...

Page 44: ...0 00V CH4 0 00V BW FULL Trigger Filter Offset CH1 v DIV 500mV 1999 04 05 17 33 17 Is pin 52 C2F on IC1 L Yes No The HF waveform is normal and the time is displayed normally but no sound is produced Or the sound has dropouts 5 Others There are too many error flags on a damaged disc which makes error correction impossible Check again using a known good disc 1 When playing at normal speed Check the p...

Page 45: ...urpose I O terminal 5 27 SBCK CONT6 Input Output Input Mode General purpose I O terminal 6 or Subcode reading clock input terminal 28 SBCK FG Input Subcode reading clock input terminal FG signal input terminal external emphasis setting terminal Terminal functions are set by commands When not used connect to 0V 29 DEFECT Output L Defect terminal 30 V P Output H Auto switching monitor output termina...

Page 46: ...must be set LOW after first applied power on 67 DRF Output L Focus detection output port 68 VDD5 Power supply for Microprocessor 69 VSS GND for digital circuit Must be connected to 0V 70 CONT3 Input Output Input General purpose port 1 71 CONT2 Input Output Input General purpose port 2 72 CONT1 Input Output Input General purpose port 3 73 PDO1 Output Internal VCO control phase comparator output por...

Page 47: ...H0 RVSS LVSS LCH0 LVDD LC78645E MIX LPF LPF LPF TBAL TBAL RAM LEVEL SET AGC EQ SW PH BH MONI CONT A D SERVO PROCESSOR TRACK JUMP AUTO ADJUST JITTER DETECT 1bit DAC 8FS DIGITAL FILTER GENERAL PURPOSE PORTS COMMAND INTERFACE CLOCK GENERATOR CLV CAV CONTROL PLL VCEC SLICE LEVEL CONTROL APC S H D A SW DRF RUPTURE DEFECT FRAME SYNC DETECT PROTECT INSERT EFN DECODE VDD SUBCODE DECODE CRC MONITOR SIGNAL ...

Page 48: ...NA3 Input SPEANA DATA INPUT L R 16 kHz 28 ANI5 SPEANA2 Input SPEANA DATA INPUT L R 63 Hz 29 ANI4 SPEANA1 Input SPEANA DATA INPUT R CH 1 kHz 30 ANI3 SPEANA0 Input SPEANA DATA INPUT L CH 1 kHz 31 33 ANI2 ANI0 KEY 2 KEY 0 Input KEY INPUT 34 AVDD AVDD ANALOG VDD 35 AVREF AVREF ANALOG REF VOLTAGE 36 INTP3 P IN Input 37 INTP2 JOG 1 Input KEY JOG INPUT 1 38 INTP1 JOG 0 Input KEY JOG INPUT 2 39 INTP0 REMO...

Page 49: ...ut DESTINATION INPUT FIP31 P17 Output FL DISPLAY SEGMENT DRIVER 69 P101 DIST1 Input DESTINATION INPUT FIP30 P16 Output FL DISPLAY SEGMENT DRIVER 70 P100 DIST0 Input DESTINATION INPUT FIP29 P15 Output FL DISPLAY SEGMENT DRIVER 71 78 76 FIP28 FIP21 P14 P7 Output FL DISPLAY SEGMENT DRIVER 79 VLOAD VLOAD FL DRIVER POWER SUPP 30V 80 85 FIP20 FIP15 P6 P1 Output FL DISPLAY SEGMENT DRIVER 86 100 FIP14 FIP...

Page 50: ... CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS 0 1uF LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 R1N RTRE LTRE RBASS 0 1uF ROUT Yref VDD CL DI CE YSS CCB INTERFACE CD Tuner Tape Video 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 LC75341 DI CE VSS LOUT LBASS LTRE LIN LSEL0 L4 L3 L2 L1 CL VDD VREF ROUT RBASS RTRB RIN RSEL0 R4 R3 R2 R1 ...

Page 51: ...9 48 47 46 45 44 43 42 41 40 39 37 36 35 34 33 32 31 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 PIN NO PIN NO PIN NO CONNECTION CONNECTION CONNECTION 10G 11G 12G 13G 14G 15G 9G 8G 7G 6G 5G 4G 3G 2G P10 P11 P12 P9 P8 P7 P6 P5 P4 P3 P20 P21 P22 P23 P24 P25 P19 P18 P17 P16 P15 P14 P13 P2 1G F2 F2 F2 NP NP NP NP F1 F1 F1 NX NX NX NX NX NX NX NX P1 LCD DISPLAY ...

Page 52: ...CD BA300 52 MEMO ...

Page 53: ... Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film ...

Page 54: ...01 702 VHP4204UYT7 1 J AD LED Yellow 4204UYT7 LED722 VHP4204SRT7 1 J AD LED Red 4204SRT7 ZD1 VHEDZ3R3BSB 1 J AB Zener 3 3V DZ3 3BSB ZD2 VHEDZ3R9BSB 1 J AC Zener 3 9V DZ3 9BSB ZD351 VHEDZ5R1BSB 1 J AC Zener 5 1V DZ5 1BSB ZD701 VHEDZ6R2BSB 1 J AC Zener 6 2V DZ6 2B ZD801 VHEDZ360BSC 1 J AB Zener 36V DZ36BSC ZD802 VHEDZ6R2BSA 1 J AB Zener 6 2V DZ6 2BSA ZD803 VHEDZ130BSC 1 J AB Zener 13V DZ13C ZD804 VH...

Page 55: ...0 001 µF 50V Mylar C604 VCTYMN1EF223Z J AA 0 022 µF 25V C606 VCEAZA1CW107M J AC 100 µF 16V Electrolytic C607 610 VCQYKA1HM104K J AB 0 1 µF 50V Mylar C611 612 VCTYMN1CX272K J AA 0 0027 µF 16V C613 614 VCEAZA1HW106M J AB 10 µF 50V Electrolytic C615 616 VCKYMN1HB102K J AA 0 001 µF 50V C617 620 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C621 622 VCEAZA1HW475M J AB 4 7 µF 50V Electrolytic C623 630 VCEAZA...

Page 56: ...2 VRD MN2BD681J J AA 680 ohms 1 8W R323 VRD MN2BD683J J AA 68 kohms 1 8W R325 VRD MN2BD473J J AA 47 kohms 1 8W R326 VRD MN2BD820J J AA 82 ohms 1 8W R327 VRD MN2BD330J J AA 33 ohms 1 8W R336 VRD MN2BD103J J AA 10 kohm 1 8W R350 VRD MN2BD272J J AA 2 7 kohms 1 8W R351 VRD MN2BD562J J AA 5 6 kohms 1 8W R352 VRD MN2BD102J J AA 1 kohm 1 8W R353 VRD MN2BD271J J AA 270 ohms 1 8W R355 VRD MN2BD332J J AA 3 ...

Page 57: ...VRD MN2BD821J J AA 820 ohms 1 8W RD27 VRD MN2BD102J J AA 1 kohm 1 8W RD28 VRD MN2BD152J J AA 1 5 kohms 1 8W RD29 VRD MN2BD222J J AA 2 2 kohms 1 8W RD30 VRD MN2BD272J J AA 2 7 kohms 1 8W RD31 VRD MN2BD392J J AA 3 9 kohms 1 8W RD32 VRD MN2BD562J J AA 5 6 kohms 1 8W RD33 VRD MN2BD103J J AA 10 kohm 1 8W RD34 VRD MN2BD153J J AA 15 kohms 1 8W RD35 VRD MN2BD333J J AA 33 kohms 1 8W RD36 VRD MN2BD104J J AA...

Page 58: ... Tape 1 201 23 MLOKC0007AWZZ J AB Lock Lever Cassette Tape 2 201 24 LHLDZ1328AWZZ J AC Holder Cassette Lock 202 92LCAB3552BASY J Side Panel Ass y Left 202 1 J Side Panel Left Not Replacement Item 202 2 PCUSG0022AWZZ J AB Cushion Leg 203 92LCAB3552CASY J Side Panel Ass y Right 203 1 J Side Panel Right Not Replacement Item 203 2 PCUSG0022AWZZ J AB Cushion Leg 204 GCAB 1192AWSA J AN Top Cabinet 205 G...

Page 59: ...Combined Ass y PWB C 92LPWB3552CDUS J CD Servo PWB D1 3 92LPWB3552PWRS J Power Amp Transformer Combined Ass y PWB E 92LPC99C017 J AE CD Loading Motor PWB Only PWB F 92PF567 649 J Tape Mechanism PWB G QPWBF0027AWZZ J AD CD Motor PWB Only OTHER SERVICE PART UDSKA0004AFZZ J AZ CD Pickup Lens Cleaner CP BA300 SPEAKER BOX PARTS 901 HPNLS1021AWSA J AY Front Panel Left 901 HPNLS1022AWSA J AY Front Panel ...

Page 60: ...CD BA300 A B C D E F G H 1 2 3 4 5 6 Figure 7 CD MECHANISM EXPLODED VIEW 7 CD BA300 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB G 306 2 306 3 306 704 ...

Page 61: ... 201 20 201 19 201 18 601x1 608x1 214 FL701 610x2 201 15 201 17 201 208 201 1 201 12 201 8 201 4 201 6 201 7 201 5 201 2 216 219x2 201 3 217 213 617 604 604 230 212 222 203 203 2 203 1 224x12 PWB D3 PWB D2 220 T801 PWB D1 210 612x2 603x2 603x1 606x12 610x3 610x10 610x2 610 605x2 610x1 608x5 609x1 609x1 609x1 603x1 603x1 610x1 610x1 616x4 209 611x2 611x2 201 23 201 24 215 205 Silicon Grease Silicon...

Page 62: ...A B C D E F G H 1 2 3 4 5 6 9 CD BA300 CD MECHANISM 204 250 228 229 236 254 252 232 232 232x4 PWB C 232 225 M3 SW3 PWB E 607x2 607x2 SW2 SW1 247 253 235 251 256 615 206 238 257 241 246 248 245 244 243x4 242 239 249 255 234 231 240 237 614 227 233 ...

Page 63: ...4 910x4 907x4 912x4 915 903 902 901 916 904 SP1 2 SP5 6 SP3 4 914x4 906x4 905x4 911x2 917 C1 2 Capacitor N P 3 3µF 100V C1 2 Capacitor N P 3 3µF 100V Electrolytic SP1 2 TWEETER SP3 4 WOOFER SP5 6 SUB WOOFER BL BK BK BK RD RD SP3 4 WOOFER SP1 2 TWEETER SP5 6 SUB WOOFER with Capacitor C1 2 908 ...

Page 64: ...R CP BA300 B SSAKH0053AWZZ Polyethylene Bag SPAKZ0696AWZZ Layer Pad SPAKA0294AWZZ Packing Add SPAKA0294AWZZ Packing Add side Top Top FRONT FRONT FRONT Top Front Rear No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher COPYRIGH...

Search results

Summary of Contents for CD-BA300

Reviews:

Related manuals for CD-BA300

Brands by name

Popular brands

Sharp CD-BA300, Service Manual

Search results

Summary of Contents for CD-BA300

Reviews:

Related manuals for CD-BA300

Brands by name

Popular brands