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Sharp CD-BK1600V Service Manual Download Page 11

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CD-BK1600V/1800V/190V

REMOVING AND REINSTALLING THE MAIN PARTS

TAPE MECHANISM SECTION

Perform steps 1, 2, 3, 4, 5, 7, 8 and 10 of the disassembly
method to remove the tape mechanism.

How to remove the record/playback and erase
heads (Tape 2) (See Fig. 11-1)

1. Carefully remove the record/playback head and erase head

screws (A1) x 2 pcs.

How to remove the playback head (Tape 1)
(See Fig. 11-2)

1. Carefully remove the playback head screws (B1) x 2 pcs.

How to remove the pinch roller (Tape 1/2)
(See Fig. 11-3)

1. Carefully bend the pinch roller pawl in the direction of the

arrow <A>, and remove the pinch roller (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. 11-4)

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. 11-4)

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 remove the motor (See Fig. 11-5)

1. Remove the screws (F1) x 2 pcs., to remove the motor.

Figure 11-1

Figure 11-2

Figure 11-3

Figure 11-4

Figure 11-5

(B1)x1
Ø2x9mm

(B1)x1
Ø2x5mm

TAPE 1

Playback
Head

Pinch Roller
(C1)x1

<A>

Pull

<B>

Pull

Pinch 

Roller 

Pawl

TAPE 2

TAPE 1
Main Belt
(E1)x1

TAPE 2
Main Belt
(D1)x1

TAPE 1

Main Belt
(D1)x1

FF/REW
Belt
(D2)x1

FF/REW
Belt
(E2)x1

Motor

Motor

Main Belt
(E1)x1

(F1) x2

Ø2.6x5mm

Motor

(A1)x2
Ø2 x 6mm

TAPE 2

Record/Playback

Head

Erase Head

Summary of Contents for CD-BK1600V

Page 1: ...estored 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 only The contents are subject to change without notice CD BK190V Video CD Mini System consisting of CD BK190V main unit CP BK190 front speakers and GBOXS0041AWM1 surround speakers SHARP CORPORATION CD BK1800V CD BK1800V Video CD Mi...

Page 2: ...ion until the correct voltage figure is displayed in the window QACCB0012AW00 Figure 2 AC POWER SUPPLY CORD AND PLUG ADAPTOR QACCE0007AW00 QACCA0004AW00 QACCJ0006AW00 QPLGA0003AWZZ QPLGA0004AWZZ CAUTION This Video CD Mini System is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT label is located on the rear cover Use of controls adjustments or performance of proce dures other than ...

Page 3: ...L 60 NTSC Frequency range FM 88 108 MHz AM 531 1 602 kHz Frequency re sponse 50 14 000 Hz Normal tape Signal noise ratio 55 dB TAPE 1 playback 50 dB TAPE 2 recording playback Wow and flutter 0 3 WRMS Type 3 way 10 cm 4 woofer 2 and 5 cm 2 tweeter Maximum input power 100 W Rated input power 50 W Impedance 6 ohms Dimensions Width 231 5 mm 9 1 8 Height 330 mm 13 Depth 210 mm 8 1 4 Weight 3 1 kg 6 8 l...

Page 4: ...VCD CD Open Close Button 24 TAPE 2 Reverse Play Button 25 VCD Stop Return Button CD TAPE Stop Button 26 TAPE 2 Reverse Mode Button 27 VCD CD Play Repeat Button TAPE 1 Play Button TAPE 2 Forward Play Button 28 Microphone Sockets 29 Microphone Level Controls 30 TAPE 1 Cassette Compartment 31 TAPE 2 Cassette Compartment 2 7 8 9 10 11 12 22 23 3 4 5 14 15 13 6 18 19 20 21 1 16 17 25 27 24 26 28 29 30 ...

Page 5: ...witch 7 Video Output Socket 8 Video Auxiliary Audio Signal Input Sockets 9 Front Speaker Terminals 10 Surround Speaker Terminals CD BK1800V BK190V Only 1 Tweeter 2 Bass Reflex Duct 3 Woofer 4 Speaker Wire 2 1 3 4 5 8 6 7 9 10 1 2 1 2 4 3 1 Tweeter 2 Bass Reflex Duct 3 Woofer 4 Speaker Wire 1 2 1 2 4 3 1 Full Range Speaker 2 Speaker Wire 1 2 CP BK1800 CP BK1600 BK190 GBOXS0041AWM1 ...

Page 6: ... 25 Extra Bass Button 26 Equalizer Mode Selector Button 27 Volume Up Down Buttons 3 4 1 2 8 5 6 7 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 19 Notes concerning use Replace the batteries if the operating distance is reduced or if the operation becomes erratic Periodically clean the transmitter LED on the remote con trol and the sensor on the main unit with a soft cloth Exposing the senso...

Page 7: ...ck and timer settings and tuner and CD presets To an AC socket 1 2 SETTING THE CLOCK In this example the clock is set for the 24 hour 0 00 sys tem 1 Press the ON STAND BY button to enter the stand by mode 2 Press the CLOCK button 3 Within 5 seconds press the MEMORY SET button 4 Press the TUNING TIME or button to select the time display mode Note that this can only be set when the unit is first ins...

Page 8: ...ompact 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 circuits and other c...

Page 9: ... Tape Mechanism Figure 9 2 Figure 9 3 Figure 9 4 Figure 9 5 Figure 9 6 Figure 9 1 Clamp Lever Cam Gear Rib Display PWB Tape Mechanism G1 x2 ø3x10mm Karaoke PWB J1 x15 ø3x10mm J2 x1 K1 x6 ø3x10mm L1 x1 ø3x10mm Display PWB Open Cassette Holder Lift Right Tape Mechanism Front Panel Headphones PWB Turntable Disc Tray M2 x1 CD Player Unit M1 x2 1 2 N1 x3 N1 x3 Disc Tray CD Player Unit ...

Page 10: ...1 x2 10 4 STEP REMOVAL PROCEDURE FIGURE Figure 10 4 Figure 10 1 Figure 10 6 CP BK1800 1 Woofer 1 Front Panel A1 x1 10 5 Sub Woofer 2 Screw A2 x8 10 6 2 Tweeter 1 Screw B1 x2 10 6 STEP REMOVAL PROCEDURE FIGURE P2 x2 P1 x3 P2 x2 Video CD PWB Disc Tray Q2 x3 Q1 x1 Q1 x1 CD Mechanism Disc Tray Figure 10 2 Figure 10 3 B1 x2 ø3x10mm Tweeter Speaker Box Speaker Box Driver should be pried away from Speake...

Page 11: ...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 11 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 11 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 remove the motor See Fig 11 5 1 Rem...

Page 12: ...nium foil around the front end of connector remove to protect the optical pickup from electrostatic damage 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 Speci...

Page 13: ...eely Each time a disc is changed these adjustments are performed automatically Therefore playback of each disc can be performed under optimum conditions 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 wave...

Page 14: ...nput 1 key Track 4 2 key Track 9 3 key Track 15 STOP key input STOP Laser ON MEMORY key input Tracking OFF play at that specific point MEMORY key input Tracking ON play at 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 TEST MODE Setting of test mode Any one test mode...

Page 15: ... 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 SW614 VOLUME UP ON OFF SW615 VOLUME DOWN ON OFF SW616 CD ON OFF SW617 TAPE ON OFF SW618 TUNING TIME DOWN ON OFF SW619 MEMORY SET ON OFF SW620 REWIND ON OFF SW621 FAST FORWARD ON OFF SW622 PLA...

Page 16: ...4 3 5 6 1 2 4 3 5 6 75 76 45 53 46 47 48 32 31 30 40 65 66 67 68 69 70 71 72 CE CL DI DO INT WRQ RES DEF 52 51 XOUT XIN 73 5 18 36 44 49 50 7 3 14 15 16 19 23 24 25 26 33 59 57 35 54 55 56 17 18 19 20 21 22 30 23 11 9 1 4 5 6 7 15 16 26 27 2 17 25 41 42 38 39 35 29 22 21 14 8 40 18 24 23 28 SW4 PICKUP IN 3 3V QV3 B3 XV1 4 19MHz 7 XV2 27MHz ICV1 MPEG CONTROLLER IX0352AW ICV2 D61012GC MPEG DECODER I...

Page 17: ...IC2 DATA MIC1IN MICLOUT MIC1VOLIN MIC2IN MIC2OUT MIC2VOLIN CLDCK LATCH ROUT RIN LIN VCC GND LOUT QK2 QK1 PINK1 CHASIS GND JK1 MIC1 BIK1 CNSK1 1 2 3 4 5 6 7 8 9 10 11 OUT L OUT R IN L GND A IN R GND D DATA CLOCK LATCH MIC IN 10V A QK3 VRK2 MIC2 VOLUME VRK1 MIC1 VOLUME TO MAIN SECTION TO IC601 Figure 17 BLOCK DIAGRAM 2 4 ...

Page 18: ...R NF L NF SWITCHING Q104 Q107 L T2 R T2 R T1 L T1 IC101 AN7345K PLAYBACK AND RECORD PLAYBACK AMP R L FM AM MPXIN STEREO AM RF IN AM OSC IN FM B Q360 VT FM OSC OSC 4 5MHZ X352 COVERAGE AM BAND AM TRACKING T303 Q302 X351 MO ST VCO DET FM FM B GND AM IF CF351 IC303 LA1832S FM IF DET FM MPX AM IF AM MIX CF352 T351 RF FM OSC FM L312 CF303 T302 FM FRONT END TA7358AP IC301 BF301 FM ANTENNA 22 3 21 4 24 2...

Page 19: ...802 D805 D801 F803 T2 0A L 250V F801 T4 0A L 250V Vcc Vcc POWER AMP STK402 040 IC901 BAIS T1 T2 AVDD SW601 SW629 KEY SECTION TO CD Q601 Q603 AC POWER SUPPLY CORD AC 110V 127 220 230 240V 50 60Hz TF IC701 IX0331AW SYSTEM MICROCOMPUTER FL DISPLAY FL701 7 13 9 8 15 1 11 1 3 39 38 37 93 92 90 63 21 36 20 15 14 12 11 6 5 4 1 2 85 80 33 31 45 7 111213 9 10 15 16 17 20 21 23 22 24 100 79 78 60 5857 56555...

Page 20: ...3 11 D 7 6 5 4 1 2 3 KEY CONT VOCAL CANCEL HD0 HD1 K_C_STRB K_C_CLK K_C_DATA VSS0 VDD0 PWR_MPEG MDI MDO MCK SBUSY MBUSY VDD1 AVSS HD7 HD6 HD5 HD4 HD3 HD2 AVREF AVDD RESET XT2 XT1 IC X2 X1 VSS1 INT HCS HRD HWR HDAK HA MPEG RESET CD LD M CD LD M CD SOL MO_SPEED 2 3 1 10 8 18 4 3 2 16 11 12 14 13 15 19 17 6 1 7 5 9 ICV1 IX0352AW MPEG CONTROLLER QV2 KTA1298 Y CV1 47 6 3 RV1 10K RV2 1K DV4 KDS193 QV3 K...

Page 21: ...6 MD7 MCAS MWE VDD VDD VDD VDD VDD MRAS MA0 MA1 MA2 MA3 VDD MA4 MA5 MA6 MA7 MA8 VDD AUDO AUEMPH AULRCK AUBCK AUCLK INT HDAK RESET VDD HSELA HSELX HA HWR HRD HCS VDD CKSEL VDD X2 X1 HD0 HD1 HD2 HD3 GND GND GND GND GND GND GND GND GND GND GND GND GND GND HD4 HD5 HD6 HD7 GND VDD VSS DQ15 DQ14 DQ13 DQ12 VSS DQ11 DQ10 DQ9 DQ8 LCAS UCAS OE A8 A7 A6 A5 A4 VSS VDD A3 A2 A1 A0 RAS WE DQ7 DQ6 DQ5 DQ4 VDD DQ...

Page 22: ... 34 35 36 37 38 39 40 41 42 8 7 6 5 4 3 2 1 NC NC SLDO FDO TDO LOADING M VCC3 VCC2 SPN VCC4 LD_M LD_M LOADING M SP SP SPO MUTE Vref STANDBY VCC1 SL SL GND GND TR TR FO FO FO FD TO 8 7 6 5 4 3 2 1 GND D PUIN SP SP SL SL 6 2 3 1 4 5 6 2 3 1 4 5 6 2 3 1 4 5 6 2 3 1 4 5 M M TDO SPDO EFBL FIN2 FIN1 TIN2 TIN1 CD VIDEO PWB B 2 2 8 C8 0 1 C7 10 35 C20 0 1 C14 0 33 R56 68K R55 68K R54 68K R53 68K R52 68K R...

Page 23: ...ERIAL OUT EXTERNAL AUDIO IN DIGITAL FILTER 1BIT DAC LPF INTERPOLATION MUTE ATTENUATION DEEMPHASIS AUDIO OUT ERROR CORRECT FRAME SYNC DEFECT PROTECT EFM DECODE CLV CONTROL CLOCK GENERATOR GENERAL SUBCODE DECODE CRC COMMAND INTERFACE GENERAL SW SERVO PROCESSEROR AUTO ADJUST S H JITER DEFECT CONTROL A D SW SLICE LEVEL CONTROL PLL VCEC D A CONT7 CONT6 CE CL DI DO WRQ RES DEF VSS V vP FSEQ DEFECT 3 2 1...

Page 24: ... PWB D1 TAPE MOTOR SOLENOIDE SOLENOIDE 4 1 8 7 4 1 8 7 2 3 5 6 2 3 5 6 DISPLAY PWB A2 13 13 1 1 1 2 3 4 5 6 7 8 9 10 11 12 13 R641 1K R725 10K R632 10K R629 10K R633 10K R634 10K R635 10K D622 DS1SS133 R730 1K C612 2 2 50 R626 100K R625 100K R627 100K ZD601 DZ6 2BSC C611 0 022 C610 0 022 C613 2 2 50 R607 33K C605 270P R62 270 1 4 R624 270 1 4 R613 820K C601 270P D604 DS1SS133 D603 DS1SS133 D602 DS...

Page 25: ...D722 R667 1K R669 10K R673 1K R674 1K R675 1K R668 1K R686 1K R687 1K R688 1K R689 1K R690 1K R691 1K R692 1K R693 1K R694 1K R681 1K R684 1K R680 1K R683 1K R677 1K R678 1K R679 1K R682 1K R685 1K C624 0 022 C625 220 10 C621 1 50 R666 1K R676 4 7K R708 10K XL701 4 1943MHz C622 15P C623 18P C701 331AW YSTEM COMPUTER D620 DS1SS133 D621 DS1SS133 R716 4 7K R723 100 L601 100µH C626 0 1 50 C629 0 022 R...

Page 26: ...425 22K R407 2 2K R404 5 6K R403 5 6K C401 0 001 Q401 KTC3199 GR R105 1K R113 47K C103 0 001 R107 2 2K C106 0 001 C104 180P R112 4 7K R106 2 2K Q106 2SC1845 F Q105 2SC1845 F Q104 2SC1845 F R108 3 3K R109 3 3K Q107 2SC1845 F R111 4 7K C107 0 001 R110 47K Q109 KTC3199 GR R102 10K Q102 KRC104 M R101 10K Q103 KRC104 M Q101 KTA1266 GR R157 150 1 4W R137 15K R103 4 7K C102 0 001 C108 100 16 Q108 KTC3199...

Page 27: ... 40 39 37 38 35 34 33 32 31 30 29 28 27 26 25 SW401 SPAN SELECTOR 50 9kHz 100 10kHz 1 27 CNP702 TO DISPLAY PWB P25 12 D TO POWER SECTION P28 1 G CNSK1 FROM KARAOKE PWB P31 12 B C422 1 50 C426 1 50 C150 22 25 C134 47 25 R134 100 R140 10K R132 1 5K R139 220 1 4W Q110 KTC3199 GR C126 270P R141 10K C136 22 25 R142 220K C138 220 10 C145 0 001 Q111 KTC3199 GR C130 0 022 R143 220K C132 0 0033 C128 22 25 ...

Page 28: ...15P R915 56K C917 47 50 R932 1K Q904 KTC3199 GR R906 1K Q903 KTC3199 GR C906 47 50 R918 100 1 4W R901 56K R919 100 1 4W C911 10 50 C910 100 50 C912 10 50 R933 68K C907 0 022 C905 47 50 C901 220P R905 1K C935 10 50 R903 820 R909 1K C903 15P R931 1K Q901 KTC3199 GR R911 10K R920 22K Q902 KTC3199 GR R910 1K C908 0 022 R908 0 1 1W D902 DS1SS133 D901 DS1SS133 R912 10K C902 220P R803 680 2W C803 2200 C8...

Page 29: ...C3203 Y CNP971 R973 15K R971 1K C972 10 50 R972 68K R975 18 1 2W C971 47 50 D971 DS1SS133 D801 TS6B04GM C803 2200 50 C804 2200 50 C802 0 1 ML C801 0 1 ML F802 T4 0 A L250V F801 T4 0 A L250V C812 100 50 R806 10 C811 47 50 ZD801 ZD300BSB C808 100 50 D803 1N4004S D807 1N4004S Q801 KTA1274 Y ZD802 DZ6 2BSA C806 0 1 ML C809 100 50 R805 47K D802 1N4004S D808 1N4004S D805 1N4004S C810 220 50 R804 2 2K D8...

Page 30: ... 1K C357 2 2 50 C356 0 001 C353 0 022 C354 0 022 R353 270 R360 4 7K R395 47K R376 1K R386 22K C368 1 50 R350 2 7K C367 1 50 C355 22P IC303 LA1832S FM IF DET FM MPX AM IF X351 456KHz C373 0 015 C374 0 015 C369 27P UJ R356 1K R357 470K R363 10K R364 10K C372 1 50 R362 6 8K C371 1 50 R361 6 8K C365 0 022 C366 0 001 C364 10 16 C363 0 022 R352 1K T351 CF352 C342 0 022 C361 0 022 C362 3 3 50 C326 0 001 ...

Page 31: ...2 56K RK3 56K CK33 47P CK30 2 2 50 CK29 2 2 50 CK31 0 15 CK35 47P CK34 47P RK1 10K CK23 0 001 CK25 2 2 50 CK26 2 2 50 CK21 0 068 ML CK24 2 2 50 CK22 0 0047 CK42 0 022 CK19 0 022 CK43 47 25 CK18 100 16 CK20 0 22 CK41 47 25 RK44 470K RK48 680 CK74 2 2 25 RK46 1K QK2 KTC199 GR RK14 100 RK15 100 CK44 47 25 ZDK1 MTZJ5 6B RK12 100 RK13 1 2K QK1 KTC3203 Y RK45 1K RK41 1 5K RK43 470K RK47 680 CK73 2 2 50 ...

Page 32: ... 2423 2 1 3 4 E B C E E 2 1 C B B 1 2 3 C E B C E C 1 2 3 1 2 3 4 5 6 7 8 9 AM LOOP ANTENNA 1 2 1 2 FM 75 OHMS GND SO302 FM TERMINAL SO401 VIDEO AUX IN JK671 VIDEO IN SW401 SPAN SELECTOR R CH L CH 50 9 100 10 FW951 1 5 RD CNS971 BR M901 FAN MOTOR 1 2 SO901 SPEAKER TERMINAL R ch L ch R ch L ch R ch L ch R ch L ch FRONT SPEAKER SURROUND SPEAKER 1800V 190V ONLY BK WH 1 2 CNS404 CNPV3 2 1 WH BK TO VID...

Page 33: ...8 9 10 11 12 15 14 13 18 17 16 21 20 19 24 23 22 2 1 3 4 5 6 7 8 9 1011 12 13 14 15 E E E C B B C E C B C B F801 T4A L 250V F802 T4A L 250V F803 T2A L 250V 1 1 2 3 3 2 1 2 3 E C B E 3 3 2 1 3 2 1 2 1 E C B E E C B E C B E C B C B C B 1 2 3 4 5 6 7 8 BI102 BL YL WH BK GY BL YL WH PK BK WH WH BK PK BK WH YL BL BR PK BK WH 1 2 3 4 5 6 CNS102 281 230 3 2 1 1 2 3 4 5 6 7 8 9 10 11 3 5 7 9 11 13 15 17 1...

Page 34: ... D614 Q605 Q607 C617 SW609 DISC SKIP SW610 OPEN CLOSE SW612 X BASS DEMO SW622 PLAY REPEAT SW629 REVERSE SW608 BOOK MARK SW607 DIGEST SW606 OSD O OFF SW621 FAST FORWARD 2 3 1 2 3 1 7 8 6 1011 9 1314 12 16 15 2425 23 2 2 3 4 5 1 7 8 6 2 3 4 5 1 7 8 6 E C B E C B E C B E C B E C B E C B B C E E C B FC702 TO TAPE MECHANISM PWB 13 13 1 1 10 12 2 4 6 8 11 13 1 3 5 7 9 P38 8 A BR COLOR TABLE RD R OR YL G...

Page 35: ...WIND R676 R709 W629 VERSE SW623 STOP W607 GEST SW606 OSD ON OFF SW605 PBC SW627 VIDEO AUX SW628 TUNER BAND SW603 TIMER SLEEP R669 R673 R670 LED722 12 1 2425 23 2728 26 3031 29 3334 32 3637 35 3940 38 424344 41 4849 47 27 27 1 1 FC701 FROM MAIN PWB P33 8 A CNP401 10 12 14 16 18 20 22 24 2 4 6 8 11 13 17 15 19 21 23 25 1 3 5 7 9 26 27 RD WH BK WH BK WH BK WH BK WH BK WH 121110 9 8 7 6 5 4 3 2 1 TO V...

Page 36: ... C80 R20 L61 Q2 CNP2 XL1 1 1 5 10 15 16 20 25 30 5 10 15 20 21 22 25 30 35 40 42 1 5 10 15 20 25 30 32 33 35 40 45 48 49 50 55 60 64 16 17 2 1 121110 9 1 1 1 2 3 4 5 6 7 1 1 2 3 4 5 6 1 2 3 4 5 6 2 3 4 5 6 7 8 2 3 4 1 5 10 15 20 24 25 30 35 40 41 45 50 55 60 64 65 70 75 80 1 13 4 8 7 3 9 6 CNS404 FROM MAIN PWB P32 4 A CNS701 FROM DISPLAY PWB P35 11 A CNS402 FROM MAIN PWB P33 10 A CD VIDEO PWB C BO...

Page 37: ... RV61 RV95 RV96 RV62 RV63 C56 CV39 CV15 CV41 CV40 C51 C18 R7 C11 R74 R71 R78 R72 R76 R77 R11 R14 C41 C47 C50 C49 RV60 CV14 ICV2 CV13 R90 C39 1 1 1 4 5 8 5 10 15 20 40 45 55 60 65 70 75 76 80 85 90 95 100 50 51 35 25 26 30 5 10 11 15 21 25 30 31 35 40 20 CD VIDEO PWB C TOP VIEW M1 SPINDLE MOTOR 1 7 1 8 CNS1B CNS1A CNS2B CNS2A CNS3B CNS3A RD WH GY WH GY WH GY WH RD WH GR WH GR WH 1 2 3 4 5 6 7 8 1 2...

Page 38: ...WB TAPE 1 PLAYBACK HEAD CNP802 TO MAIN PWB P33 12 E RD BL RD YL YL BR BK BR PT801 POWER TRANSFORMER 1 2 3 4 5 6 7 8 TAPE MOTOR B A 1 1 2 3 4 4 5 6 7 8 9 10 11 12 13 SOLENOIDE SOLENOIDE TAPE MECHANISM PWB D1 BL RD BR YL OR 1 2 3 4 5 SW801 VOLTAGE SELECTOR CNP801 SO801 AC INPUT SOCKET AC 110 127 220 230 240V 50 60Hz 1 2 127V 110V 3 4 5 230 240V 220V FC702 13 13 1 1 6 5 4 3 2 1 CNS102 TAPE 2 RECORD P...

Page 39: ...4 23 22 21 20 19 18 17 16 15 14 13 12 11 10 36 35 34 33 32 31 2 4V 2 4V 2 4V 0V 0 5V 41 0 5V 42 40 39 38 37 PIN NO VOLTAGE ICK1 2 5V 1 5V 1 5V 0V 3 0V 0 5V 0 5V 2 6V 0V 0V 0 5V 0V 0V 5 0V 0V 3 0V 0V 0V 0V 0V 3 3V 0V 1 0V 2 7V 1 6V 1 5V 1 5V 0V 2 5V 0V 0V 0V 0V 0V 0V 0V 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 36 35 34 33 32 31 0V 0V 0 3V 0V 40 39 38 37 PIN N...

Page 40: ...EDGE CH2 Delay 2 924ms Hold off 0 2us CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset 1 IC2 24 FDO 6 IC2 25 SPDO T FDO PDO2 PDO1 Stopped CH1 500mV DC 10 1 CH3 1V DC 10 1 CH4 1V DC 10 1 500ms div 500ms div NORM 20kS s 1 4 3 Record Length Smoothing ON CH1 0 000V CH2 0 0V Main 100K Zoom 2K Mode AUTO Type EDGE CH2 Delay 0 0ns Hold off 0 2us CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset CH1 v DIV...

Page 41: ...isc tray with the brush side down then press the play button You will hear music for about 20 seconds and the CD player will automatically stop If it continuous to turn press the stop button 1 2 3 The CD lens cleaner should be effective for 30 50 operations however if the brushes become worn out earlier then please the cleaner disc If the CD cleaner brushes become very wet then wipe off any excess...

Page 42: ... SW1 without inserting a disc and try starting the playback operation 2 Does the focus lens move up and down Waveform drawing 42 1 Check the focus peripheral circuit 3 Is the laser lit Spindle motor M1 4 Is the turntable rotating Figure 42 2 Figure 42 3 Yes Yes Yes No No No No No No No Yes Yes No T FDO TDO Stopped CH1 500mV DC 10 1 CH3 500mV DC 10 1 500ms div 500ms div NORM 20kS s 1 3 Record Lengt...

Page 43: ...disc and then try starting the play operation 3 Spin system check The spin driver circuit is OK 1 The turntable rotates a little Waveform drawing 43 2 Check around pin 25 on IC2 pins 15 and 16 on IC3 and CNS3A B 2 The turntable doesn t rotate 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 N...

Page 44: ...aveform is normal but the TOC data cannot be read Check the PDO waveform Figure 44 1 Check around pins 1 6 on IC2 Figure 44 1 Figure 44 2 T FDO PDO2 PDO1 Stopped CH1 500mV DC 10 1 CH3 1V DC 10 1 CH4 1V DC 10 1 500ms div 500ms div NORM 20kS s 1 4 3 Record Length Smoothing ON CH1 0 000V CH2 0 0V Main 100K Zoom 2K Mode AUTO Type EDGE CH2 Delay 0 0ns Hold off 0 2us CH3 0 00V CH4 0 00V BW FULL Trigger ...

Page 45: ...E 21 FE 22 RFEV 28 RF 1 PD01 2 PD02 3 VVSS 4 PCKIST 5 VVDD 6 FR 7 HFL 8 SLCIST 9 SLCO 10 EFMIN 11 JITTV 12 JITTC 13 BH 14 PH RFENV 15 FE 16 TE 25 SPDO 26 SLDO 27 FG D_Vref 28 LASER 29 CONT1 30 CONT2 CONT3 CONT4 CONT5 31 32 33 34 PCK 35 C2F 36 VDD 37 DOUT 38 FSX 39 EFLG 40 TEST EFMO DEFECT FSEQ V P CONT7 CONT6 VSS VDD DEF RES WRQ INT DO DI CL CE 17 VREF 18 ADAVDD 19 ADAVSS 20 PHREF 21 BHREF 22 TBLO...

Page 46: ...25 SPDO Output 1 2VDD Output terminal for spindle control D A output 26 SLDO Output 1 2VDD Output terminal for sled control D A output 27 FG D_Vref Input FG signal input terminal When not used connect to 0V 28 LASER Output L LASER ON OFF control terminal 29 CONT1 In Output Input mode General purpose input output terminal 1 Controlled with serial data command 30 CONT2 In Output Input mode General p...

Page 47: ...rminal 67 DI Input interface Data input terminal 68 DO Output L Data output terminal 69 INT Output H Interruption signal output terminal 70 WRQ Output H Interruption signal output terminal 71 RES Input Reset input terminal of LC78640 When turning on power set it at L 72 DEF Output L Focus ON detection terminal 73 VDD5V Power terminal for microcomputer interface 74 VSS Ground terminal of digital sy...

Page 48: ...ut Clock output 23 P21 DI Output Data output 24 P20 DO Output Data input 25 AVSS AVSS Analog ground 26 ANI7 TUN SM Input Tuner signal meter input P17 M BUSY Input Commintcate to mpeg microcomputer m_busy 27 ANI6 NO USE Input GND 28 ANI5 SPEANA 2 Input Speana data input 16 kHz 29 ANI4 SPEANA 1 Input Speana data input 1 kHz 30 ANI3 SPEANA 0 Input Speana data input 63 kHz 31 33 ANI2 ANI0 KEY2 KEY0 In...

Page 49: ...utput 5 FO CH1 non inverted output 6 TR CH2 inverted output 7 TR CH2 non inverted output 8 14 GND GND 15 SL CH3 non inverted output 16 SL CH3 inverted output 17 SLDO CH3 inverted input 18 VCC1 Power supply 1 CH1 CH2 CH3 19 STANDBY STANDBY signal input 20 VRFE CH1 CH4 Reference voltage input 21 MUTE Mute signal input CH6 22 IN5 CH5 inverted input 23 IN5 CH5 non inverted input 24 VCC2 Power supply 2...

Page 50: ...RVref CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS 0 1uF LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 RIN RTRE LTRE RBASS 0 1uF ROUT VREF VDD CLK DI CE VSS 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 CLK VDD VREF ROUT RBASS RTRE RIN RSEL0 R4 R3 R2 R1 ...

Page 51: ...tput Joint 10 kohm to GND 22 P24 MBUSY Output Comunicate to system microcomputer MBUSY 23 P25 ASCK0 NO USE Output Joint 10 kohm to GND 24 VDD1 VDD1 VDD 25 AVSS AVSS Ground 26 33 P17 P10 NO USE Output Joint 10 kohm to GND 34 AVREF AVREF Conect to VDD 35 AVDD AVDD Conect to VDD 36 RESET RESET Input Common use DSP_RESET 37 XT2 XT2 Open 38 XT1 XT1 Conect to VDD 39 IC IC Conect to ground 40 X2 X2 Outpu...

Page 52: ...trobe signal 22 HA Input Address address strobe signal 23 HSELA Input Host interface select signal Select a serial interface or an 8 bit parallel interface HSELX High parallel interface HSELX Low serial interface 24 HSELA Input Host interface mode select signal Select multiplex mode or separate mode HSELA High multiplex mode HSELA Low separate mode Fixed low when using serial interface 25 VDD Digi...

Page 53: ...ance is approx 42 kohms Can quit this pull down with the MD_PD_OFF register 74H b1 74 GND Ground 75 VDD Digital supply 76 GND Ground 77 VCLK Not used 78 CSYNC Output Synchronized signal generating signal 79 NSYNC Output Synchronized signal generating signal 80 HSYNC Output Synchronized signal generating signal 81 82 Not used 83 VDD Digital supply 84 AVDD Analog power supply 85 CBP1 Output 3CH Vide...

Page 54: ...a input output 35 VSS Ground 36 39 I O12 I O15 Data input output 40 VSS Ground ICV3 VHiSDM4260C 1 DRAM SDM4260C In this unit the terminal with asterisk mark is open terminal which is not connected to the outside RAS LCAS UCAS WE A0 A1 A2 A3 A4 A5 A6 A7 A8 VCC VSS I O0 I O1 I O7 I O8 I O9 I O15 OE Lowar Upper Clock generating circuit Lower data Input buffer Lower data Output buffer Coidmn decoder U...

Page 55: ...o drive 75 line 6 Sag correction terminal Able to obtain an output without any sag by feeding back the sag generated from output coupling C using the external C see block diagram When not using the sag correction terminal connect directly to the pin 5 7 V Power source 8 Clamp input terminal Input of 1 9 V clamp 1 Vp p composite or Y signal ICV4 VHiNJM2267M 1 Video operation amp NJM2267M 6dB Amp 6d...

Page 56: ... B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 9G S1 B1 B2 B3 B4 B5 B6 B7 8G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 7G Dp d c n p r e m g col b k j h f a S2 S3 S4 S5 6G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 5G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 4G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 3G Dp d c n p r e m g b k j h f a S2 S3 S4 S5 2G Dp d c n p r e m g b k j h...

Page 57: ... 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 type VRN Metal film type VR MF Cylindrical type without lead wire VR MN Cylindrical type without lead wire VR TV Square type ...

Page 58: ...33 D403 404 VHDDS1SS133 1 J AB Silicon DS1SS133 D601 604 VHDDS1SS133 1 J AB Silicon DS1SS133 D611 618 VHDDS1SS133 1 J AB Silicon DS1SS133 D620 621 VHDDS1SS133 1 J AB Silicon DS1SS133 D622 VHDDS1SS133 1 J AB Silicon DS1SS133 D801 VHDTS6B04GM 1 J AP Silicon TS6B04GM D802 VHD1N4004S 1 J AB Silicon 1N4004S D803 VHD1N4004S 1 J AB Silicon 1N4004S D804 VHD1N4004S 1 J AB Silicon 1N4004S D805 VHD1N4004S 1 ...

Page 59: ...F UJ 50V C335 VCKYMN1HB561K J AA 560 pF 50V C338 VCKYMN1HB102K J AA 0 001 µF 50V C342 VCTYMN1EF223Z J AA 0 022 µF 25V C350 351 VCTYMN1EF223Z J AA 0 022 µF 25V C352 VCEAZA1CW106M J AC 10 µF 16V Electrolytic C353 354 VCTYMN1EF223Z J AA 0 022 µF 25V C355 VCCSMN1HL220J J AA 22 pF 50V C356 VCKYMN1HB102K J AA 0 001 µF 50V C357 VCEAZA1HW225M J AB 2 2 µF 50V Electrolytic C358 VCEAZA1HW105M J AB 1 µF 50V E...

Page 60: ...102J J AA 1 kohm 1 10W R3 VRS TV2AB473J J AA 47 kohms 1 10W R4 VRS TV2AB103J J AA 10 kohm 1 10W R5 VRS TV2AB393J J AA 39 kohms 1 10W R6 VRS TV2AB273J J AA 27 kohms 1 10W R7 VRS TV2AB682J J AA 6 8 kohms 1 10W R8 VRS TV2AB331J J AA 330 ohms 1 10W R10 VRS TV2AB273J J AA 27 kohms 1 10W R11 VRS TV2AB123J J AA 12 kohms 1 10W R12 13 VRS TV2AB681J J AA 680 ohms 1 10W R14 VRS TV2AB122J J AA 1 2 kohms 1 10W...

Page 61: ...103J J AA 10 kohm 1 6W R658 VRD MN2BD473J J AA 47 kohms 1 8W R659 VRD MN2BD102J J AA 1 kohm 1 8W R660 VRD MN2BD103J J AA 10 kohm 1 8W R661 VRD ST2CD222J J AA 2 2 kohms 1 6W R662 VRD MN2BD103J J AA 10 kohm 1 8W R663 665 VRD ST2CD222J J AA 2 2 kohms 1 6W R666 VRD MN2BD102J J AA 1 kohm 1 8W R667 668 VRD ST2CD102J J AA 1 kohm 1 6W R669 670 VRD ST2CD103J J AA 10 kohm 1 6W R671 VRD MN2BD103J J AA 10 koh...

Page 62: ...Switch Push Type Open Close SW2 SWMPU11470MLB J AE Switch Push Type Clamp SW3 SWMPU11470MLB J AE Switch Push Type Disc Number SW4 QSW F9001AW01 J AD Switch Leaf Type Pickup In SW401 QSW S0024AWZZ J AE Switch Slide Type SPAN SELECTOR SW601 92LSWICH1401AT J AC Switch Key Type ON STAND BY SW602 92LSWICH1401AT J AC Switch Key Type CLOCK SW603 92LSWICH1401AT J AC Switch Key Type TIMER SLEEP SW604 92LSW...

Page 63: ...er Disc 256 92LPT0312005 J AL Gear Cam 257 92LPT0320201 J AE Support Stabilizer 258 92LPT0330301 J AU Chassis CD Player Unit 259 92LPT0330803 J AK CD Chassis 260 92LPT0331003 J AT Chassis Disc Tray 262 92LSP0304303 J AB Spring Stopper 263 92LSP0304305 J AB Spring Lock 264 92LSP0304306 J AB Spring Lock Gear 268 KMECB0013AWZZ J BK Tape Mechanism Ass y 274 92LCAUT1706A1 J AC Label Class 3A Laser 275 ...

Page 64: ... Speaker 190V 1800V Only RRMCG0227AWSA J Remote Control GFTAB1022AWSB J AK Battery Lid Remote Control P W B ASSEMBLY Not Replacement Item PWB A1 4 92LPWB3287MANS J Main Display Headphones Socket Combined Ass y 1600V PWB A1 4 92LPWB3291MANS J Main Display Headphones Socket Combined Ass y 1800V PWB A1 4 92LPWB3294MANS J Main Display Headphones Socket Combined Ass y 190V PWB B 92LPWB3287VCDS J CD Vid...

Page 65: ...CD BK1600V 1800V 190V 8 A B C D E F G H 1 2 3 4 5 6 Figure 8 CD MECHANISM EXPLODED VIEW 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB C 306 2 306 3 306 704 CD BK1600V 1800V 190V ...

Page 66: ...3 601x2 608x2 210 M901 268 201 21 201 25 201 11 201 14 201 13 201 26 201 16 201 15 201 12 201 10 201 21 201 201 1 616 201 20 201 24 PWB A1 614x2 231x6 226 IC901 IC851 Q831 IC841 615x15 614x2 604x9 607x2 602x2 FL701 214 213 237 612 606x2 221 219 208 612 222 606x2 220 209 230 Silicon grease 282 282 281 608 608 607x3 609x2 225 611x2 225 Tape Mechanism 201 9 280x2 607x2 283 620x2 PWB F Motor Motor TAP...

Page 67: ...G H 1 2 3 4 5 6 248 CD Mechanism 205 257 235 236 243 224 259 239 239 260 204 2 204 1 204 3 258 204 240 239x4 604x2 604x2 250x4 256 247 262 238 241 244 618 251 252 255 249 253 PWB B 239 254 246 232 263 234 M3 242 SW3 SW2 SW1 264 245 274 275 276 239 PWB E CD BK1600V 1800V 190V ...

Page 68: ...3 Left 904 Right 908x4 C1 2 Capacitor 2 2µF 50V Electrolytic N P C1 2 Capacitor 2 2µF 50V Electrolytic N P TWEETER SP1 L CH SP2 R CH WOOFER SP3 L CH SP4 R CH SUB WOOFER SP5 L CH SP6 R CH with Capacitor C1 2 906 912x2 BK BK RD RD TWEETER SP1 L CH SP2 R CH SUB WOOFER SP5 L CH SP6 R CH WOOFER SP3 L CH SP4 R CH SP3 L CH SP4 R CH SP5 L CH SP6 R CH SP1 L CH SP2 R CH ...

Page 69: ...1 2 Capacitor 3 3µF 100V Electrolytic N P with Capacitor C1 2 906 905 SP3 L CH SP4 R CH SP3 L CH SP4 R CH SP1 L CH SP2 R CH SP5 L CH SP6 R CH C1 2 Capacitor 2 2µF 50V Electrolytic N P BK BK RD RD TWEETER SP1 L CH SP2 R CH SUB WOOFER SP5 L CH SP6 R CH WOOFER SP3 L CH SP4 R CH TWEETER SP1 L CH SP2 R CH WOOFER SP3 L CH SP4 R CH SUB WOOFER SP5 L CH SP6 R CH ...

Page 70: ...CD BK1600V 1800V 190V Figure 13 SPEAKER EXPLODED VIEW 3 3 A B C D E F G H 1 2 3 4 5 6 GBOXS0041AWM1 SP1 L CH SP2 R CH 901 905x6 903 904 SP1 L CH SP2 R CH 902 BK RD 13 ...

Page 71: ...CD BK1600V 1800V 190V 14 MEMO ...

Page 72: ...in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0005 667DS HA M EX SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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