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CD-XP205V

No. S7256CDXP205V

CONTENTS

Page

SAFETY PRECAUTION FOR SERVICE MANUAL ...........................................................................................................  2
VOLTAGE SELECTION .....................................................................................................................................................  2
AC POWER SUPPLY CORD AND AC PLUG ADAPTOR .................................................................................................  2
SPECIFICATIONS .............................................................................................................................................................  3
NAMES OF PARTS ...........................................................................................................................................................  4
DISASSEMBLY ..................................................................................................................................................................  6
REMOVING AND REINSTALLING THE MAIN PARTS .....................................................................................................  9
ADJUSTMENT .................................................................................................................................................................  10
BLOCK DIAGRAM ...........................................................................................................................................................  15
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD .............................................................................................  18
NOTES ON SCHEMATIC DIAGRAM ..............................................................................................................................  39
TYPES OF TRANSISTOR AND LED ...............................................................................................................................  39
VOLTAGE ........................................................................................................................................................................  40
WAVEFORMS OF CD CIRCUIT ......................................................................................................................................  41
TROUBLESHOOTING .....................................................................................................................................................  42
FUNCTION TABLE OF IC ................................................................................................................................................  46
FL DISPLAY .....................................................................................................................................................................  56
REPLACEMENT PARTS LIST/EXPLODED VIEW

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

• In the interests of user-safety the set should be restored to its

original condition and only parts identical to those specified be
used.

VIDEO CD MINI SYSTEM

MODEL

CD-XP205V

CD-XP205V Video CD Mini System consisting of CD-XP205V
(main unit) and CP-XP205 (speaker system).

NTSC/PAL

1
2
3
...
»

Summary of Contents for CD-XP205V

Page 1: ...D 39 VOLTAGE 40 WAVEFORMS OF CD CIRCUIT 41 TROUBLESHOOTING 42 FUNCTION TABLE OF IC 46 FL DISPLAY 56 REPLACEMENT PARTS LIST EXPLODED VIEW 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 In the interests of user safety the set should be restored to its original condition and only parts identic...

Page 2: ...T SERVICE PARTS ARE ALL FACTORY PRESET BEFORE SHIPMENT DO NOT ATTEMPT TO READJUST THE LASER PICKUP UNIT DURING REPLACEMENT OR SERVICING 3 UNDER NO CIRCUMSTANCES STARE INTO THE PICKUP LENS AT ANY TIME 4 CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE Before operating the unit on mains check the preset v...

Page 3: ...ct disc player Signal readout Non contact 3 beam semiconductor laser pickup D A converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Frequency range FM 88 108 MHz AM 531 1 602 kHz Frequency response 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 2 way type speaker system 5 cm 2 Tweet...

Page 4: ... Button 22 Clock Button 23 Timer Sleep Button 24 Tape 2 Reverse Mode Select Button 25 Tape 2 Reverse Play Button 26 Video CD Play or Repeat or Select or Resume CD MP3 Disc Play or Repeat Tape 1 Play Tape 2 Forward Play Button 27 Video CD Stop or Return CD MP3 Disc Tape Stop Button 28 Tuning and Time Down Button 29 Memory Set Button 30 Tape 2 Record Pause Button 31 Tuning and Time Up Button 3 2 1 4...

Page 5: ...k Button 10 Tape 2 Record Pause Button 11 PAL NTSC Select Button 12 Video CD CD MP3 Disc Button 13 Tuner Band Button 14 Tape 1 2 Button 15 Video Auxiliary Button 16 On Stand by Button 17 MP3 Disc Display Button 18 Disc Direct Search Buttons 19 Extra Bass Button 20 Equaliser Mode Select Button 21 Volume Up and Down Buttons 22 Disc Memory Button 23 Disc Clear Button 24 Video CD Skip or Previous CD M...

Page 6: ...ct 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 circu...

Page 7: ... E1 x2 ø3x10mm Display PWB Mic PWB G1 x2 ø3x10mm G2 x1 E2 x1 Headphones PWB E4 x1 H1 x12 ø3x10mm Display PWB Open Cassette Holder Tape Mechanism J1 x5 ø3x10mm Lug Wire Front Panel H2 x1 K1 x1 ø3x10mm Headphones PWB CD Player Unit Loading Tray Turntable L2 x1 L1 x2 M1 x3 3 M1 x3 Loading Tray 1 2 Loading Tray N1 x2 ø3x10mm N3 x2 Video CD PWB N2 x1 N3 x2 CD Mechanism P2 x2 P1 x1 P1 x1 Loading Tray ...

Page 8: ...ront Panel A1 x1 8 1 2 Screw A2 x4 8 2 2 Tweeter 1 Screw B1 x2 8 2 STEP REMOVAL PROCEDURE FIGURE Screwdriver Driver should be pried away from Speaker Box A1 x1 Speaker Box Ass y A2 x4 ø4x12mm B1 x2 ø3x10mm Speaker Box Ass y Woofer Tweeter CP XP205 ...

Page 9: ...he arrow B Note When installing the pinch roller pay attention to the spring mounting position How to remove the belt TAPE 2 See Fig 9 4 1 Remove the main belt D1 x 1 pc from the tape motor side 2 Remove the FF REW belt D2 x 1 pc How to remove the belt TAPE 1 See Fig 9 4 1 Remove the main belt E1 x 1 pc from the tape motor side 2 Remove the FF REW belt E2 x 1 pc How to remove the tape motor See Fi...

Page 10: ... 1 1 Remove the screw A1 x 1 pc to bend the hooks A2 x 5 pcs to remove the loading motor Figure 10 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 V...

Page 11: ...nce voltage is compensated inside the IC Focus offset adjustment Tracking offset adjustment 2 Tracking balance adjustment waveform drawing Fig 11 2 EFBL 3 Gain adjustment The gain is compensated inside the IC so that the loop gain at the gain crossover frequency will be 0 dB Focus gain adjustment Tracking gain adjustment Adjustment Since this CD system incorporates the following automatic adjustme...

Page 12: ...racking 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 automatically will display as below for each 2 sec a FOFF_XX b TOFF_XX c TBAL_XX d TGAN_XX f FGAN_XX g RFL...

Page 13: ...ECTION display In case speaker abnormal detection or B PROTECTION had occurred it can be check by pressing POWER VIDEO and X BASS key twice Display will show S B S is referring to speaker abnormal detection and B is referring to B PROTECTION is in hex valve B PROTECTION is condition when irregular process occur on power supply line Track 2 Video output terminal Chroma Peak Level 105 15 IRE VIDEO C...

Page 14: ...em Checking the black and white level Figure 14 5 90 80 70 60 50 40 30 20 10 360 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 103 4 167 1 240 8 283 4 347 1 60 8 1 123 180 0 33 MG R BL CY G YE Vector scope waveform of color bar signal TV monitor B l u e R e d G r e e n M a g e n t a C y a n Y e l l o w G r a y IRE 100 80 60 40 20 20 40 100 ...

Page 15: ... IC1 LA9235M SERVO AMP TRACKING COIL FOCUS COIL PICKUP UNIT 5 V B7 5 V B7 LASER DRIVER 3 4 V B11 5 V B7 39 38 42 41 40 25 17 2 1 18 24 23 28 4 5 6 7 15 16 26 27 8 14 21 22 91 88 45 44 43 41 32 47 49 52 54 87 82 79 68 66 65 64 1 2 12 13 15 21 17 22 24 62 55 80 6 69 89 86 84 80 98 79 37 33 23 90 78 73 66 60 59 53 32 16 5 91 77 75 72 63 100 1 25 26 31 41 43 51 56 57 62 45 48 50 30 100 4 12 16 19 26 2...

Page 16: ... REC L REC SWITCHING L T2 R T2 R T1 L T1 R L FM AM MPXIN STEREO AM RF IN AM OSC IN AM OSC OUT FM Q360 VT OSC X352 4 5 MHz AM BAND COVERAGE AM TRACKING T303 T306 Q302 X351 456 kHz ZD351 5 1V MO ST VCO FM DET FM B GND AM IF CF351 IC303 LA1832S FM IF DET FM MPX AM IF AM MIX CF352 T351 FM RF OSC FM L312 T301 CF303 T302 IC301 TA7358AP FM FRONT END BF301 21 4 24 2 1 18 9 10 18 11 16 3 15 10 9 7 23 14 12...

Page 17: ...VDD CE DI DO XL700 4 194304 MHz BIAS T1 T2 AVDD SW701 SW707 SW711 SW725 SW727 SW729 KEY TO CD SECTION TO CD SECTION IC701 IX0560AW SYSTEM MICROCOMPUTER FL701 FL DISPLAY 27 85 80 33 45 93 14 92 1 2 4 5 6 7 8 15 1 8 78 70 5 1 3 2 1 7 13 9 10 100 33 31 37 29 26 15 46 1112 9 10 16 17 20 2122 2324 41 79 54 38 52 51 50 55 49 48 40 25 13 39 34 T F PT801 POWER TRANSFORMER SYSTEM MUTE 91 86 TAPE MECHANISM ...

Page 18: ...KTC3200 GR R105 3 3K R103 2 2K R107 47K R109 4 7K Q105 KTC3199 GR C105 560P C104 180P C101 560P C102 560P Q102 KTC3200 GR R104 2 2K Q104 KTC3200 GR R106 3 3K R102 1K R101 1K R108 47K R110 4 7K C106 560P Q106 KTC3199 GR Q112 KTA1266 GR C136 0 022 R146 10K R147 10K Q113 KRC104 M C141 100 16 R149 150 Q114 KRC104 M R112 15K C112 100 25 R116 56 R122 10K R118 100K R120 3 9K C116 560P C114 0 033 C118 47 ...

Page 19: ...IN L KOK OUT L A_ 10V A_GND D_GND KOK OUT R KOK OUT L KOK IN R KOK IN L CNPK1 P30 6 C TO MIC PWB CNP701 P24 1 F TO DISPLAY PWB CNP2 P29 12 C TO VIDEO CD PWB R149 150 0 0022 R150 68K R126 4 7K Q108 KTC3199 GR R136 220K R138 10K R139 10K Q107 KTC3199 GR R137 220K C133 22 50 C134 220 10 C135 0 022 C126 22 50 R128 5 6K C124 270P R130 1 5K C128 0 022 R132 100 C132 47 25 R134 10K IC101 IC101 AN7345K PLA...

Page 20: ...J R323 68K IC301 TA7358AP FM FRONT END C303 10P CH C304 0 01 C305 4 7P CH R302 10 C306 0 022 C307 10 50 VD302 SVC211C C309 0 001 L312 C320 0 001 T301 R313 33K D305 DS1SS133 C308 4 7P CH R311 100K CNP302 BF301 B P F C312 0 022 C324 4 7P UJ C311 18P C310 15P CH R314 22 VD303 SVC211C C314 0 0047 C316 0 022 C317 0 001 R327 33 R325 47K Q302 KTC3194 Y C318 100P R322 680 R37 470 C383 56P C382 15P CH C381...

Page 21: ... C381 12P CH R382 150 C397 0 022 X352 4 5 MHz R381 10K C389 1 50 C394 47 25 C392 0 001 C393 0 001 C351 0 022 C352 10 50 R351 5 6K R358 3 9K 6 C342 0 022 R365 10K C362 3 3 50 C361 0 022 C364 2 2 50 C363 0 022 C366 0 001 C365 0 022 R350 2 7K C367 1 50 X351 456 kHz R352 1K CF352 C353 0 022 R353 270 R393 1K C354 0 022 CF351 T351 C350 0 022 C399 0 022 C357 2 2 50 C356 0 001 C387 0 022 R379 2 2K R377 47...

Page 22: ... R915 1 5K C911 0 022 R913 0 1 1W Q901 KTC3199 GR D905 DS1SS133 C915 10 63 C916 10 63 R919 0 22 2W R917 0 22 2W R922 100 1 4W Fusible C914 100 63 R920 0 22 2W R918 0 22 2W R912 820 C910 4 7 50 R904 1K R910 1K C908 820P C906 3 3P CH R908 56K R914 0 1 1W C912 0 022 R916 1 5K R924 1K D906 DS1SS133 Q902 KTC3199 GR D907 DS1SS133 Q904 KTC3199 GR Q903 KTC3199 GR R936 56K R935 56K R937 56K C925 47 50 C928...

Page 23: ...2 R938 680 R943 680 R942 680 R939 680 R945 1 5K R944 1 5K RL914 D911 DS1SS133 Q905 KTC3199 GR R946 47K R947 15K C931 10 50 D912 DS1SS133 C930 47 50 R949 1K R950 68K Q906 KTC3203 Y FW803 HLD803 CNP705 JK701 HEADPHONES SO901 SPEAKER TERMINAL PT801 POWER TRANSFORMER BI801 CNS801 CNP801 D802 D3SBA60F C809 0 1 ML C808 0 1 ML F803 T2A L 250V F801 T4A L 250V F802 T4A L 250V D803 RL204F C807 0 1 ML C806 0...

Page 24: ...IC IN SPAN CLK DO SP_DET 20dB S6 S7 S8 S9 VLOAD S15 S16 SP_RLY 13 17 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 16 15 14 21 20 19 18 12 11 10 9 8 7 6 T2_PLAY SW T2 RUN MTR SOL2 SOL1 T1 RUN GND F_REC 8 7 10 9 2 3 6 1 5 4 1 10 DISPLAY PWB B1 CNP701 TO MAIN PWB P19 10 H 21 1 B B B B B B MOTOR DRIVER Q707 Q708 SOLENOID DRIVER TAPE MECHA...

Page 25: ...IDEO CD PWB CNP802 P23 7 G TO POWER PWB B B B B B B B B B B B RESET B B ER AY R795 1 5 C702 1000 6 3 C703 0 022 R706 1K R763 1K R707 1K R702 1K R701 100 R703 1K R705 1K R704 1K R708 1K C704 15P C721 0 022 XL700 4 194304 MHz C705 18P R710 1K R711 1K R712 1K R713 1K R714 1K R715 1K R716 1K R709 1K R769 1K R717 100 R737 100 R739 1K R759 5 6K R747 4 7K R791 4 7K R748 10K R771 10K BI701 CNS701 BI705 CN...

Page 26: ...H PH LPF LPF PH BH GND PICKUP UNIT CD SIGNAL VIDEO CD PWB C 1 2 CD MOTOR PWB D 2 8 7 6 5 4 3 1 6 2 3 1 4 5 B B B B B B B B B CNP9 R41 5 6K R43 5 6K R37 5 6K R54 10K R53 1 8K R52 1 8K R51 10K R32 220 R33 1 2K R31 220 R30 1 2K R55 1 8K R56 1 8K Q5 KTC3875 GR Q7 KTC3875 GR Q8 KTC3875 GR Q6 KTC3875 GR R28 10K R27 10K R26 10K R29 10K C55 0 01 C54 47 10 C6 100 10 C7 0 022 C8 0 1 C53 0 001 C51 47 6 3 R25...

Page 27: ...OUT EXTERNAL AUDIOIN DIGITAL FILTER 1BIT DAC LPF INTERPOLATION MUTE ATTENUATION DEEMPHASIS AUDIO OUT ERROR CORRECT FRAMESYNC DEFECT PROTECT EFMDECODE CLV CONTROL CLOCK GENERATOR GENERAL SUBCODE DECODE CRC COMMAND INTERFACE GENERAL SW SERVO PROCESSEROR AUTO ADJUST S HD A JITER DEFECT CONTROL A D SW SLICE LEVEL CONTROL PLL VCEC CD LOADING MOTOR PWB E P18 1 B P25 12 D CNS701 CNS601 1 3 2 49 52 51 50 ...

Page 28: ...0 CE_ D7 D6 D5 D4 D3 GND D2 D1 D0 A0 A1 A2 A3 A4 A5 A6 A7 A12 A15 A16 VPP CAS2_ OE_ RFSET VSS D15 D14 D13 D12 VSS D11 D10 D9 D8 CAS_ A8 A7 A6 A5 A4 VSSVCC A3 A2 A1 A0 RAS_ WE_ VCC D7 D6 D5 D4 D3 D2 D1 D0 VCC DWE RAS GND CAS TDMFS 100 99 TDMDR TDMCLK ARFS ARCLK AJN DOE ATFG SEL_PLL1 ATCLK AOUT SEL_PLL0 ACLK LA17 LA16 LA15 LA14 LA13 LA12 VCC GND LA11 LA10 LA9 LA8 LA7 LA6 LA5 LA4 LA3 LA2 LA1 LA0 LCS0...

Page 29: ...X02 DSC_5 AUX01 DSC_D0 AUX00 DSC_C VCC GND GND 2 6 5 4 3 1 A10V R CH A_GND L_CH P27 12 E TO CD SECTION VIDEO CD PWB C 2 2 P24 2 D FROM DISPLAY PWB P19 12 B FROM MAIN PWB CNS602B CNS702 43 42 41 40 B B B B B B B B B B B B B B M32 0 M33 33 33 33 RM6 33 RM5 33 RM8 33 RM7 33 RM3 33 RM1 33 CM42 10 16 CM41 10 16 RM54 100K RM53 100K RM52 10K RM51 10K CM46 33P CH CM50 33P CH RM62 10K RM63 15K CM47 0 1 IC6...

Page 30: ...4 6 8K CK49 100P CK50 100P CNPK1 CK42 0 022 RK38 100 RK14 100 1 2W RK15 100 1 2W RK36 390 CK19 0 022 RK8 5 6K CK23 0 001 CK1 0 01 RK11 1K RK10 1K RK9 1K CK43 47 25 ZDK1 MTZJ5 6B RK12 100 RK13 1 2K QK1 KTC3203 Y ICK1 M65856SP MIC AMP RK2 56K RK3 56K RK4 10K RK7 1K JK1 MIC CK9 2 2 50 CK8 4 7 50 CK13 0 0047 CK17 220 10 CK18 100 16 CK16 0 22 CK15 0 068 CK25 2 2 50 CK26 2 2 50 CK12 2 2 50 CK14 0 001 CK...

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