Sharp CD-DK2600V Service Manual Download

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CD-DK2600V

IC401 VHiLC75341/-1: Audio Processor (LC75341)

Figure 55 BLOCK DIAGRAM OF IC

LVref

RVref

CONTROL

CIRCUIT

CONTROL

CIRCUIT

CONTROL

CIRCUIT

LOUT

LBASS

0.1uF

LIN

LSEL0

RSEL0

RIN

RTRE

LTRE

RBASS

0.1uF

ROUT

VREF

VDD

CLK

VSS

CCB

INTERFACE

Tuner

Tape

Video

24 23 22 21 20 19 18 17 16 15 14 13

10 11 12

LC75341

VSS

LOUT

LBASS

LTRE

LIN

LSEL0

CLK

VDD

VREF

ROUT

RBASS

RTRE

RIN

RSEL0

Summary of Contents for CD-DK2600V

Page 1: ...he 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 only The contents are subject to change without notice SHARP CORPORATION CD DK2600V Video CD Mini System consisting of CD DK2600V main unit and CP DK2600 front speakers GBOXS0038AWM1 c...

Page 2: ...rewdriver until the appropriale voltage number appears in the window 110 127 230 240V AC Figure 2 POWER SUPPLY CORD QACCB0006AW00 QPLGA0003AWZZ QPLGA0004AWZZ QACCE0010AW00 QACCA0003AW00 QACCJ0007AW00 CAUTION INVISIBLE LASER RADIATION WHEN OPEN DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS VARNING OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD STIRRA EJ IN I STRALEN OCH BETRAKTA ...

Page 3: ...hms Centre speaker 6 ohms Surround speakers 12 ohms Headphones 16 50 ohms recom mended 32 ohms Video out 1 Vp p 75 ohms Type 3 disc multi play compact disc player Signal readout Non contact 3 beam semi con ductor laser pickup D A converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Video output format PAL PAL 60 NTSC Frequency range FM 88 108 MHz AM 531 1 602 kHz...

Page 4: ...ton 22 VCD Skip Next Button CD Track Up Cue Button TUNER Preset Up Button TAPE 2 Fast Wind Button 23 Equalizer Mode Selector Button 24 VCD CD Disc Skip Button 25 VCD CD Open Close Button 26 TAPE 2 Record Pause Button 27 TAPE 2 Reverse Play Button 28 VCD Stop Return Button CD TAPE Stop Button 29 TAPE 2 Reverse Mode Button 30 VCD CD Play Repeat Button TAPE 1 Play Button TAPE 2 Forward Play Button 31...

Page 5: ...c Schedule Indicators 10 VCD CD More Tracks Indicator 11 Sleep Indicator 12 FM Stereo Mode Indicator 13 TAPE Reverse Mode Indicator 14 TAPE 2 Reverse Play Indicator 15 TAPE 1 Play Indicator TAPE 2 Forward Play Indicator 16 VCD CD Repeat Indicator 17 FM Stereo Indicator 18 Timer Record Indicator 19 Timer Play Indicator Front speaker 1 2 3 4 5 1 Super Tweeter 2 Tweeter 3 Woofer 4 Bass Reflex Ducts 5...

Page 6: ...VCD CD Memory Button 17 VCD CD Disc Skip Button 18 VCD Skip Previous Button CD Track Down Review Button TUNER Preset Down Button TAPE 2 Fast Wind Button 19 VCD Digest Time Search Button 20 TAPE 2 Reverse Play Button 21 VCD Bookmark Button 22 VCD PAL NTSC Select Button 23 TAPE 2 Record Pause Button 24 Function Selector Buttons 25 VCD CD Random Button 26 VCD CD Pause Button 27 VCD Skip Next Button C...

Page 7: ...ontents clock and timer settings and tuner and CD presets If the display is not correct If the operation is not correct 1 Press the ON STAND BY button to enter the stand by mode 2 Whilst pressing down the button and the X BASS DEMO button hold down the ON STAND BY button for at least 1 second CLEAR AL will appear Caution The operation explained above will erase all data stored in memory including ...

Page 8: ...Hook L1 x2 9 5 2 Cover L2 x1 12 Disc Tray 1 Turn fully the lock lever in the 9 1 arrow direction 2 While holding the lock lever rotate 9 2 the cam gear until the cam gear rib engages with the clamp lever 3 Push the slide holder backward to 9 6 engage the claw with the groove and remove it in the direction of the arrow M1 x6 13 CD Video PWB 1 Screw N1 x1 10 1 Note 2 2 Hook N2 x2 3 Socket N3 x4 14 C...

Page 9: ...EVER CAM GEAR RIB Figure 9 1 LOCK LEVER Figure 9 5 G1 x2 ø3x10mm F1 x1 ø3x10mm F2 x4 F2 x1 E3 x1 E4 x1 E2 x2 Main PWB Power Supply PWB E2 x1 Power Supply PWB E5 x1 Tape Mechanism J1 x13 ø3x10mm H1 x2 ø3x10mm J2 x1 K1 x5 ø3x10mm J1 x1 ø3x10mm F3 x1 Display PWB Karaoke PWB Headphones PWB Open Cassette Holder Lug Wire Tape Mechanism ...

Page 10: ... x2 10 4 5 Super Tweeter 1 Screw D1 x2 10 4 STEP REMOVAL PROCEDURE FIGURE CP DK2600 Figure 10 4 P2 x3 P1 x1 Q1 x5 P1 x1 Loading Motor PWB CD Mechanism Woofer B1 x4 Ø4x12mm C1 x2 Ø3x10mm D1 x2 Ø3x10mm Figure 10 1 Figure 10 2 N3 x2 N2 x2 N3 x2 CD Video PWB CD Player Base N1 x1 ø3x8mm Screw Driver A1 x1 Figure 10 3 ...

Page 11: ...emove 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 1 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 2 See Fig 11 4 1 Remove the main belt E1 x 1 pc from the motor side 2 Remove the FF REW belt...

Page 12: ...ctor so as to protect the optical pickup from electrostatic damage A1 x2 A1 x1 Loading Motor CD Base A1 x2 B1 x2 ø2 6 x6mm Shaft B2 x1 Stop Washer B3 x1 Gear B4 x1 CD Mechanism Pickup Figure 12 2 TEST MODE KEY TEST MODE CONTENTS ON STAND BY TUNER X BASS TEST 1 TUNER PRESET MEMORY CLEAR ON STAND BY MEMORY SET X BASS TEST 2 TUNER PRESET FOR PRODUCTION ON STAND BY X BASS TEST 3 KEY AND DISPLAY TEST O...

Page 13: ...y Frequency Display Setting Adjusting Parts Instrument Connection T303 T351 CF352 CF351 CF302 IC303 T306 T302 IC302 IC301 CNP301 SO301 AM LOOP ANTENNA T301 MAIN PWB AM Tracking AM Band Coverage AM IF L312 FM 75 ohms GND C393 TP301 C375 R357 TP302 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 Ta...

Page 14: ... PWBs and pickups can be combined freely 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 adjustmen...

Page 15: ...for output period 2 sec In this case the following indication appears repeatedly TEST L ch R ch S ch Outline Namely two speakers are connected in parallel to one amplifier In the Pro Logic BYPASS mode the amplifier for C ch centerchannel andtheamplifierforS ch surroundchannel are in MUTE state The SP output is cut In the normal mode of Pro Logic ON mode the amplifiers for C ch and S ch are in oper...

Page 16: ...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 SW716 EQUAL ON OFF SW717 NORMAL ON OFF SW718 PHANTOM ON OFF SW719 BY PASS ON OFF SW720 ON STAND BY ON OFF SW721 CLOCK ON OFF SW722 TIMER ON OFF SW723 KARAOKE MO...

Page 17: ...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 ICV...

Page 18: ...YBACK AND RECORD PLAYBACK AMP PB ERASE HEAD SWITCHING BAIS Q126 Q124 Q128 L104 Q111 Q110 Q109 Q107 Q108 Q121 Q122 Q403 Q404 SWITCHING SWITCHING MUTING SWITCHING B5 1 2 3 CNS401 FROM CD SECTION CNP11 17 B5 B9 B5 B5 B5 B5 VOLTAGE REGURATER 9 1 3 8 6 12 5 13 7 10 14 2 9 4 11 22 23 35 36 31 32 41 40 42 12 13 7 9 4 8 16 10 15 11 14 12 13 8 17 18 7 1 2 75 24 74 34 21 69 25 38 3 IC401 LC75341 AUDIO PROCE...

Page 19: ...IS VF1 VF2 VROAD T1 T2 REC 5 D801 D802 D803 D806 Q804 D807 D809 D818 2 3 1 4 8 B7 B4 B1 RX701 Q701 Q702 Q703 Q710 Q711 Q712 9 8 7 10 7 10 L OUT IC901 STK40271 POWER AMP IC902 STK40203 POWER AMP B1 B3 B1 L L L R R R 9 13 8 B2 B2 R OUT Q401 Q402 Q503 Q504 Q501 Q502 ZD801 B5 B3 15V B4 M 10V B6 B2 A 10V CD 5V UNSW 5V SW 5V VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATOR AVDD SMUTE 1 15 1 15 13 4...

Page 20: ...ONT 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 KRC104 S RV86 4 7K RV11 1K ...

Page 21: ...S 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 DQ3 DQ2 DQ1...

Page 22: ... 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 C 2 2 8 C8 0 022 C7 10 16 C20 0 1 C14 0 33 R56 68K R55 68K R54 68K R53 68K R52 68K R51 68K ...

Page 23: ...IGITAL 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 G M G M TDO SLDO FDO RES WRQ...

Page 24: ...ECORD PLAYBACK AMP C113 330P C111 330P R117 1K C114 330P C112 330P R118 1K C120 560P R122 100K C118 0 033 R120 56 C116 47 25 R132 R174 150 C153 100 16 Q110 KRC104 M R115 4 7K Q111 KRC104 M R112 15K R102 1K R101 1K C108 0 001 R108 47K Q108 KTC3199 GR R110 4 7K C107 0 001 Q107 KTC3199 GR R107 47K R109 4 7K R111 15K Q103 2SC1845 F R103 2 2K R105 3 3K C105 180P Q105 2SC1845 F R106 3 3K Q106 2SC1845 F ...

Page 25: ...4 0 047 C150 0 0082 C151 0 039 Q126 KRC104 M R164 4 7K R162 47K Q124 KTA1266 GR R158 220 C146 220 10 C145 22 25 R181 100K Q121 KTC3199 GR R153 10K R154 10K Q122 KTC3199 GR R182 100K R146 10K C142 47 25 C140 0 0033 C136 0 022 R142 100 R140 1 5K C132 270P R136 3 9K R134 68K C134 22 25 C133 22 25 C141 47 25 R141 100 C131 270P R137 6 8K C135 0 022 R145 10K C139 0 0033 R139 1 5K R135 3 9K C128 3 3 50 C...

Page 26: ...SIGNAL PLAYBACK SIGNAL RECORD SIGNAL CD SIGNAL VIDEO SIGNAL MAIN PWB A1 2 3 TO TAPE MECHANISM LUG101 250 CNS100 R526 10K C423 10 50 C42 4 7 R220 221 820K TO CD VIDEO PWB P23 11 D 2 5 3 4 1 2 5 3 4 1 BI401 CNS401 CNP11 DATA CLOCK GND D IN R OUT R 10V A GND A IN L OUT L MIC SIGNAL D501 DS1SS133 D502 DS1SS133 R 3 KR R219 1K C212 47 16 C 2 2 C R404 3 9K R409 100K Q401 KTC3199 GR CNP401 Q504 KTC3199 GR...

Page 27: ...C602 270P R601 33K R602 12K C603 0 0068 R605 220K IC601 KIA4558P OPA AMP R606 2 2M D603 DS1SS133 R604 47K R603 470K C604 0 0068 R608 2 2M R615 220K C609 0 022 R619 470K C610 0 022 R617 150K IC602 KIA4558P OPA AMP R616 220K R618 150K C612 0 022 C607 0 022 ZD601 DZ6 2BSC C619 47 25 C608 0 022 C613 0 0027 R627 390K C617 2 2 50 R629 100K D604 DS1SS133 D605 DS1SS133 C618 2 2 50 R630 100K R628 390K C616...

Page 28: ...RONTEND C304 0 01 C305 4 7P CH R302 10 C306 0 022 C307 10 16 C324 8 2P UJ C311 18P C310 15P CH VD303 KDV147B R309 10K C313 22P CH T302 1 3 2 T301 C312 0 022 CF303 FM IF VD302 KDV147B C309 0 001 C308 4 7P UJ D305 1SS133 L312 R311 100K R313 33K R314 22 C317 0 001 C316 0 022 C315 0 0047 C314 0 0047 C319 0 022 C302 0 001 CNP301 SO301 ANTENNA FM 75 OHMS GND R316 4 7K C318 100P Q302 KTC3194 Y R327 33 R3...

Page 29: ...P R395 47K C385 0 01 R379 2 2K R380 1 5K C393 1 50 C380 10 16 R381 10K L351 100µH R377 47K C387 0 022 C392 0 001 C394 47 16 7 2 IC302 LC72131 PLL TUNER T351 C351 0 022 C350 0 022 CF352 AM IF R352 1K C353 0 022 R393 1K C354 0 022 CF351 FM IF R353 270 C356 0 001 C399 0 022 C398 100 10 C355 22P C357 2 2 50 R355 3 3K C358 1 50 C370 1 50 R388 3 9K R387 5 6K L352 100µH ZD351 DZJ5 1BSB C396 100 10 C395 0...

Page 30: ... 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 3 KARAOKE LATCH MIC_IN SP RLY OUT FPB FPA T_SOL B G7 G8 G9 G10 G11 VLOAD P12 P13 P14 DIST0 P15 DIST1 P16 DIST2 P17 DIST3 P18 P19 P20 P21 P22 P23 MOVE VOL CTRL SW P24 SPAN P25 PLAY SW_B PLAY SW_A T1_RUN SP_DET AC RLY VDD TIMER LED T_MOTOR T_SOL A SMUTE VSS REMOCON JOY 0 JOG 1 DIS_OUT SW_OUT P11 P10 P9 P8 P7 P6 P5 P4 P...

Page 31: ... R774 1K C720 47 50 IC701 IX0360AW SYSTEM MICROCOMPUTER R741 1K R740 1K R739 10K R738 1K R737 1K R736 1K R734 2 2K R733 2 2K R732 2 2K R731 1 8K 00 RT7 ED 746 0K VR701 VOLUME R747 10K C710 0 001 C709 0 001 Q708 KTC3199 GR 87 0K 785 70K Q707 KTC3199 GR C721 0 022 C722 220 10 D709 DS1SS133 Q709 KRC102 M R790 47K C712 0 1 50 D710 DS1SS133 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 46 45 44 43 4...

Page 32: ...933 47 50 R937 820 R933 56K R931 100 1 4 C931 15P C930 220P R932 1K C932 100 50 R930 22K IC902 STK40203 POWER AMP R918 56K Q904 KTC3199 GR R917 1K C913 47 50 R920 56K R919 56K C937 220P R940 68K C936 1 50 C935 1 50 R924 4 7 1 4 R923 4 7 1 4 C921 0 1 ML C920 0 1 ML C919 0 1 ML C918 0 1 ML C804 2200 50 R803 22K 1 4 C803 2200 50 R801 680 2W ZD803 DZ130BSB C802 220 25 R807 33 Q823 KTC2026 C807 22 25 R...

Page 33: ...12 47K C825 47 50 ZD802 DZ300BSB C821 0 047 ML D805 1N4004S D806 1N4004S D804 1N4004S D803 1N4004S D802 3SBA60F C819 0 047 ML F803 T4A L 250V F802 T5A L 250V C818 0 047 ML C817 0 047 ML F801 T5A L 250V D801 TS6B04GM R810 22K 1 4 C816 2200 50 R959 47K Q909 KTC3199 GR Q911 KTC3199 GR C987 100 16 R991 47K R961 4 7 1 4 R960 4 7 1 4 C950 0 1 ML C948 0 1 ML C949 0 1 ML C947 0 1 ML D908 DS1SS133 D907 DS1...

Page 34: ... 5 1 7 8 9 6 11 10 LATCH CNP401 TO MAIN PWB P26 5 A MIC SIGNAL CK2 0 47 CK7 0 47 CK6 0 1 CK5 0 1 CK4 2 2 50 CK3 4 7 50 CK11 0 1 CK10 0 1 CK9 2 2 50 CK8 4 7 50 CK12 2 2 50 RK8 5 6K RK6 5 6K RK4 10K RK5 1K RK7 1K VRK2 20K B VRK1 20K B CK13 0 0047 CK17 220 10 CK16 0 22 CK15 0 068 ML CK14 0 001 CK1 0 01 RK11 1K RK10 1K RK9 1K ICK1 M65856SP MIC AMP RK2 56K RK3 56K CK33 47P CK30 2 2 50 CK29 2 2 50 CK31 ...

Page 35: ...CORD PLAYBACK HEAD P37 9 H TO MAIN PWB CNS102 RK37 RK43 QK3 CK73 RK39 RK45 RK47 BIK1 RK41 CK72 RK38 RK42 RK46 CK74 QK2 RK48 RK44 RK4 RK3 RK9 CK41 CK34 RK2 RK13 ZDK1 RK12 RK10 CK42 B B C E C E B C E CK35 CK44 RK11 QK1 CK43 CK29 RK40 CK31 RK36 CK30 CK26 ICK1 CK25 CK24 CK23 CK22 CK18 CK21 CK17 CK5 CK16 CK6 VRK2 MIC 2 LEVEL CK15 CK13 CK14 CK10 CK12 CK11 CK9 VRK1 MIC 1 LEVEL CK8 RK6 CK4 JK2 MIC 2 RK5 C...

Page 36: ...306 R381 C319 R378 R374 R372 R373 R388 C382 C302 R376 R359 C381 R360 R379 C386 C392 R377 C397 R385 R380 C318 C385 R393 R383 R325 C324 R327 R322 C311 R302 C313 C310 C351 C312 C354 C350 R353 R352 C399 C308 C314 R311 C366 R351 R313 C317 C316 R316 R365 C369 C334 C361 R336 R323 C342 C332 C363 C335 C512 C518 C513 C521 R512 C519 R225 R217 R218 R213 C535 R510 R508 R509 C536 C538 C211 R211 C545 R504 R505 R...

Page 37: ...4 C105 R103 R102 R105 R101 C113 C114 R122 C120 R124 C111 C127 C131 R134 R137 C132 R126 R139 R138 R136 C139 R141 C140 R145 R146 R142 R154 R140 C610 R617 C608 R615 C607 C612 R611 R618 C611 R616 R621 R624 C614 C613 R629 R625 R630 R623 C615 C616 R628 R602 R609 C602 C601 R610 R605 R603 R606 R607 R608 C603 R604 C604 R627 R612 C112 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 1011121...

Page 38: ...06 R729 LED712 LED713 LED701 LED702 LED708 LED709 LED710 LED717 LED716 LED715 SW729 DISC2 SW731 DISC SKIP SW717 NORMAL RD30 SW733 RIVERS R783 R720 R721 R722 R725 R784 R779 R781 R785 R743 R776 RD27 R786 R787 R782 R744 IC702 C726 C727 RS733 C710 C709 IC703 R747 R746 C724 R707 R703 R702 R701 RM712 RM711 RM710 R772 R771 RD13 RS717 RS718 R770 R773 R769 R768 R766 R764 R762 R761 R763 R765 R767 RS708 RS72...

Page 39: ...796 IC704 D711 D712 BI701 CNP701 LED700 LED707 LED706 LED704 LED705 LED711 LED714 LED718 LED712 ED713 01 SW708 STOP SW705 REV SW705 RD25 RD30 SW701 CD SW702 TAPE SW721 CLOCK SW733 RIVERS SW709 PLAY D705 D706 D702 RD09 7 RD23 RD24 C721 C718 C719 IC701 R726 C716 R710 RD21 R789 R724 R723 RD22 RD04 R735 RD02 RD11 RD01 RD12 R749 RD18 R790 C714 C711 R794 R793 1 5 10 15 20 25 35 40 45 50 51 55 60 65 70 7...

Page 40: ... C944 C940 IC902 R948 C943 C939 R945 R931 R951 C934 R935 R930 C946 C932 R949 C930 R934 R936 Q905 C938 R938 Q907 D904 D906 Q908 LUG802 249 R801 C801 ZD803 C802 C961 R974 R972 Q910 R973 D909 R933 C931 R932 R937 C935 C933 R939 C945 C937 C936 R940 R946 R947 R954 R955 R971 C949 R921 C915 C914 RL901 R901 C903 C902 R903 R902 D908 C917 R922 C910 R917 R914 C916 R915 C912 CNP805 F801 T5A L 250V F802 T5A L 2...

Page 41: ...R CH FRONT L CH FRONT R CH CENTER 1 2 RD CNS806 BR 1 2 M901 FAN MOTOR AC POWER SUPPLY CORD 247 AC110 127 220 230 240V 50 60Hz BROWN BLUE SW801 VOLTAGE SELECTOR 9 7 5 3 1 E E B C E C B C B 15 14 13 12 5 4 3 2 1 CNP601 L601 JK601 HEADPHONES C698 C699 BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK HEADPHONES PWB A3 CHASSIS GND CHASSIS ...

Page 42: ...3 C74 C71 C78 C25 R75 C81 Q4 C75 C21 C72 C76 C77 R86 R93 R92 R68 R95 R67 R94 C34 CV17 RV64 ICV4 CV18 R85 RV61 RV95 RV96 RV62 RV63 C56 CV39 CV15 CV41 CV40 C51 C18 R7 C11 R74 R71 R78 R72 R76 R77 R 1 1 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 CNS1 CNS2 CD T T...

Page 43: ... 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 12 11 10 9 1 1 1 2 3 4 5 6 7 1 1 2 3 4 5 6 1 2 3 4 5 6 7 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 CNSV3 FROM MAIN PWB P36 3 F CNS701 FROM DISPLAY PWB P39 11 A CNS401 FROM MAIN PWB P37 8 A CD VIDEO PWB C BOTTOM VIEW 12 11 10 2 5 M1 SPIND...

Page 44: ...16 15 14 13 18 PIN NO VOLTAGE IC702 7 8V 0V 0V 0V 0V 0V 7 8V 7 8V 7 8V 7 8V 0V 2 8V 9 8 7 6 5 4 3 2 1 12 11 10 1 3V 0 5V 1 3V 0V 0V 5 0V 17 16 15 14 13 18 PIN NO VOLTAGE IC703 0V 25 7V 0V 0V 0V 25 7V 0V 26 9V 26 9V 0V 0V 25 6V 9 8 7 6 5 4 3 2 1 12 11 10 0 1V 0V 0 1V 15 14 13 PIN NO VOLTAGE IC901 0V 25 7V 0V 0V 0V 25 7V 0V 26 9V 26 9V 0V 0V 25 6V 9 8 7 6 5 4 3 2 1 12 11 10 0 1V 0V 0 1V 15 14 13 PIN...

Page 45: ...CH2 Delay 2 924ms Hold off 0 2µs 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 2µs CH3 0 00V CH4 0 00V BW FULL Trigger Filter Offset CH1 v DIV 500m...

Page 46: ...CD disc 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 tum 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 exc...

Page 47: ... without inserting a disc and try starting the playback operation 2 Does the focus lens move up and down Waveform drawing 47 1 Check the focus peripheral circuit 3 Is the laser lit Spindle motor M1 4 Is the turntable rotating Figure 47 2 Figure 47 3 Yes Yes Yes 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 Length Smoot...

Page 48: ...nd then try starting the play operation 3 Spin system check The spin driver circuit is OK 1 The turntable rotates a little Waveform drawing 48 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 NORMAL ...

Page 49: ...rm is normal but the TOC data cannot be read Check the PDO waveform Figure 49 1 Check around pins 1 6 on IC2 Figure 49 1 Figure 49 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 2µs CH3 0 00V CH4 0 00V BW FULL Trigger Filte...

Page 50: ...E 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 23 TD...

Page 51: ... 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 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 purpose in...

Page 52: ... 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 DRF Output L Focus ON detection terminal 73 VDD5V Power terminal for microcomputer interface 74 VSS Ground terminal of digital system S...

Page 53: ...22 CLK Output CLOCK OUTPUT 23 P21 DI Output DATA OUTPUT 24 P20 DO Input DATA INPUT 25 AVss AVSS ANALOG GROUND 26 ANI7 TUN SMIM BUSY Input TUNER SIGNAL METER INPUT 27 ANI6 SPEANA3 Input SPEANA DATA INPUT L R 16 KHz 28 ANI5 SPEANA2 Input SPEANA DATA INPUT L R 63Hz 29 ANI4 SPEANA1 Input SPEANA DATA INPUT R CH 1KHz 30 ANI3 SPEANA0 Input SPEANA DATA INPUT L CH 1KHz 31 33 ANI2 ANI0 KEY2 KEY0 Input KEY I...

Page 54: ... Input Output In this unit the terminal with asterisk mark is open terminal which is not connected to the outside Function 1 IN2 CH2 inverted input 2 IN1A CH1 inverted input 3 IN1B CH1 output offset control 4 OUT1 CH1 inverted output 5 OUT1 CH1 non inverted output 6 OUT2 CH2 inverted output 7 OUT2 CH2 non inverted output 8 14 GND GND 15 OUT3 CH3 non inverted output 16 OUT3 CH3 inverted output 17 I...

Page 55: ... 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 56: ...oint 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 Output Main...

Page 57: ... 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 Digital s...

Page 58: ...s 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 Video D A ...

Page 59: ... 28 13 16 17 18 19 22 23 24 25 26 27 39 32 31 10 3 2 40 35 21 1 20 Pin No Terminal Name Function 1 Clamp input terminal Input of 1 9 V clamp 1 Vp p composite or Y signal 2 GND Ground 3 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 dir...

Page 60: ... 53 52 51 50 38 49 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...

Page 61: ...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 type VRN Metal film type VR MF Cylin...

Page 62: ...KDS193 D201 202 VHDDS1SS133 1 J AB Silicon DS1SS133 D301 302 VHDDS1SS133 1 J AB Silicon DS1SS133 D305 VHDDS1SS133 1 J AB Silicon DS1SS133 D501 502 VHDDS1SS133 1 J AB Silicon DS1SS133 D601 606 VHDDS1SS133 1 J AB Silicon DS1SS133 D702 VHDDS1SS133 1 J AB Silicon DS1SS133 D705 706 VHDDS1SS133 1 J AB Silicon DS1SS133 D708 714 VHDDS1SS133 1 J AB Silicon DS1SS133 D717 718 VHDDS1SS133 1 J AB Silicon DS1SS...

Page 63: ...3Z J AA 0 047 µF 50V C332 VCTYMN1EF223Z J AA 0 022 µF 25V C334 VCCUMN1HJ270J J AA 27 pF 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 ...

Page 64: ...M J AB 1 µF 50V Electrolytic C917 VCCSPA1HL221J J AA 220 pF 50V C918 921 VCQYKA1HM104K J AB 0 1 µF 50V Mylar C930 VCCSPA1HL221J J AA 220 pF 50V C931 VCCSPA1HL150J J AA 15 pF 50V C932 VCEAZA1HW107M J AC 100 µF 50V Electrolytic C933 VCEAZA1HW476M J AB 47 µF 50V Electrolytic C934 VCCSPA1HL221J J AA 220 pF 50V C935 936 VCEAEA1HW105M J AB 1 µF 50V Electrolytic C937 VCCSPA1HL221J J AA 220 pF 50V C938 VC...

Page 65: ...09 VRD ST2CD103J J AA 10 kohm 1 6W R311 VRD MN2BD104J J AA 100 kohm 1 8W R313 VRD MN2BD333J J AA 33 kohms 1 8W R314 VRD ST2CD220J J AA 22 ohms 1 6W R316 VRD MN2BD472J J AA 4 7 kohms 1 8W R322 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 R327 VRD MN2BD330J J AA 33 ohms 1 8W R336 VRD MN2BD103J J AA 10 kohm 1 8W R350 VRD ST2CD272J J AA 2...

Page 66: ...T2EC101J J AB 100 ohm 1 4W Fusible R932 VRD ST2CD102J J AA 1 kohm 1 6W R933 VRD ST2CD563J J AA 56 kohms 1 6W R934 VRD ST2CD102J J AA 1 kohm 1 6W R935 VRS VV3AAR10J J 0 1 ohm 1W R936 VRD ST2CD102J J AA 1 kohm 1 6W R937 VRD ST2CD821J J AA 820 ohms 1 6W R938 VRD ST2CD103J J AA 10 kohm 1 6W R939 940 VRD ST2CD683J J AA 68 kohms 1 6W R941 VRG ST2EC101J J AB 100 ohm 1 4W Fusible R942 VRS VV3AAR10J J 0 1 ...

Page 67: ... AK Jack Headphones M1 92LMTR2790CASY J BB Motor with Chassis Spindle M2 92LMTR1854BASY J AP Motor with Gear Sled M3 92LTWMEN7E6Y J AR Motor with Worm Pulley T T Up Down Loading M901 RMOTV0027AWZZ J AM Motor Air Cooling Fan RL901 902 RRLYD0014AWZZ J AK Relay RX701 VHLN63H380A 1 J AK Remote Sensor N63H380A SO301 QTANC0206AWZZ J Terminal Antenna SO901 QTANA1003AWZZ J AH Terminal Speaker SW1 SWMPU107...

Page 68: ...RD0109AWFJ J AB Spring Casette Lock Lever Tape 1 235 MSPRD0110AWFJ J AB Spring Casette Lock Lever Tape 2 237 NFANP0001AWZZ J AD Rotary Fan 241 PCUSG0022AWZZ J AB Cushion Leg 243 PRDAR0149AWFW J AP Heat Sink Main 244 PRDAR0150AWFW J AS Heat Sink Sub A 245 PRDAR0167AWFW J Heat Sink Sub B 246 PSHEP0037AWZZ J AC Sheet Reflector 247 QACCA0003AW00 J AC Power Supply Cord For Saudi Arabia 247 QACCB0006AW0...

Page 69: ...WSA J AF Sheet E C Comparison TLABH0057AWSA J AF Sheet E C Comparison TLABH0058AWSA J AF Sheet E C Comparison TLABJ0003AWZZ J AB Label Japan Packing Case TLABN0112AWZZ J Label Serial No TLABS0268AWZZ J Label Safety For Hong Kong TLABZ0745AWZZ J Label Feature Tape 1 TLABZ0748AWZZ J Label Feature Tape 2 TLABZ0795AWZZ J Label Carton For Taiwan TLSTS0014AWZZ J AB S S List TMAPC0196AWZZ J Schematic Dia...

Page 70: ...CD DK2600V A B C D E F G H 1 2 3 4 5 6 Figure 9 CD MECHANISM EXPLODED VIEW 9 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB D 306 2 306 3 306 704 ...

Page 71: ...WB G PWB A2 PWB A3 PWB E 201 241x2 615x2 201 5 201 29 201 36 201 22 201 24 201 28 201 26 201 23 201 7 201 8 224 227 229 225 226 228 210 608x5 602 212 233 235 609x2 211 232 234 609x2 602 FL701 208x2 604x2 250 PINK1 201 9 201 10 201 27 201 12 201 11 201 6 201 25 201 19 201 30 201 30 201 21 201 15 201 16 201 14 201 18 201 3 201 2 201 20 209 206 246 201 13 201 4 201 1 201 17 201 32 201 31 201 34 201 3...

Page 72: ...Silicon Grease Silicon Grease PWB A1 612x14 202 2 287 222 207 218 614x2 248x10 249 LUG801 612x4 613x4 614x3 612x3 611x4 612x2 203 1 203 2 203 603 603x2 603x2 250 LUG101 610 CNS100 243 244 PT801 219 220 259 213 610 605x2 237 254 M901 247 245 IC901 IC802 Q823 IC801 IC902 614 217 218 249 LUG802 256x2 K801 K802 610 610 214 ...

Page 73: ...EXPLODED VIEW 3 3 12 CD MECHANISM 205 279 257 258 265 283 281 261 253 261 261 204 261x3 PWB C 261 251 M3 SW3 PWB F 607x2 607x2 SW2 SW1 276 282 264 280 285 617 267 286 275 277 274 272x4 271 278 284 263 260 252 269 266 616 268 255 262 204 1 204 2 204 3 273 270 ...

Page 74: ...910 916 916 916 909x2 909x2 with Capacitor C1 2 C1 2 Capacitor 907 914x2 917 SP1 2 901 905 SUPER TWEETER SP1 L CH SP2 R CH TWEETER SP3 L CH SP4 R CH WOOFER SP5 L CH SP6 R CH SUPER TWEETER SP1 L CH SP2 R CH TWEETER SP3 L CH SP4 R CH WOOFER SP5 L CH SP6 R CH C1 2 Capacitor 2 2 µF 100V Electrolytic N P BK BK BK RED RED RED 916 SP3 4 ...

Page 75: ...CD DK2600V A B C D E F G H 1 2 3 4 5 6 Figure 14 SPEAKER EXPLODED VIEW 2 2 14 SURROUND SPEAKER 901 SP1 2 SP1 2 902 904x6 905 903 CENTER SPEAKER 904x4 902 904x4 906x4 SP1 901 903 905 ...

Page 76: ...ans electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED EX A0004 679SS HA M ...

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