Aiwa CDC-X447M Wartungshandbuch Seite 1

SERVICE MANUALDATASTEREO CAR CD RECEIVER BASIC CD MECHANISM : CDC02AW1CDC-X447MCDC-X507MYUYUS/M Code No. 09-003-425-0R1REVISION• This Service Manual

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– 11 –SCHEMATIC DIAGRAM – 2 (FRONT / JACK AUX)

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– 14 –SCHEMATIC DIAGRAM – 3 (CD / SENSOR)

– 15 –LCD DISPLAYNo. 123456789101112131415COM1 – – – – – – COM1 Bar8 Bar7 TP 2d 2m 2n CD 3d 3m 3n Bar1COM2 – – – – COM2 – –H-BASSLO ST 2e 2l 2k 2c 3e

– 16 –IC BLOCK DIAGRAMIC, LA4743B IC, LC75854WIC, LC75374E

– 17 –IC, BA6392FPIC, TC74ACT244FIC, TC4053BFIC, NJM4558MDIC, BA6417F

– 18 –IC, CXD2587Q

– 19 –IC DESCRIPTIONIC, µPD178006AGC–540–3B9Pin No. Pin Name I/O Description1 FM/AM S-M I Input RDS AF IN signal and FM/AM S meter signal.2 LEVEL IND

– 2 –RADIO SECTION(FM)Frequency Range 87.5 MHz –108 MHz (100 kHz steps) *87.5 MHz –108 MHz (50 kHz steps) *Usable Sensitivity 12.7 dBf50 dB Quieting

– 20 –41 CDS RESET O CDS : Output reset signal.42 CDS SLEEP O CDS : Output sleep signal.43 CDS STOP I CDS : Input stop signal.44 CDS IN I CDS : Input

– 21 –1 RVR IN I 4dB volume control input. Must be driven at a low impedance.2 R COM – 1dB volume control common pin.For the connection of capacitors

– 22 –1 S1 O LCD segment output.2 S2 O LCD segment ouptut. (Not used) 3 ~ 37 S3 ~ S37 O LCD segment output.38 ~ 39 S38 ~ S39 O LCD segment output. (No

– 23 –1 SQSO O Sub-Q 80-bit and PCM peak/level data output. CD TEXT data output.2 SQCK I Clock input for reading SQSO.3 XRST I System reset. Reset at

– 24 –40 SE I Sled error signal input.41 TE I Tracking error signal input.42 CE I Neutral servo analog input.43 RFDC I RF signal input.44 ADIO O For t

– 25 –1 LD O APC amp output.2 PD I APC amp input.3 EQ-IN I RFAC-system VCA/EQ block input.4 AC-SUM O RFAC-system RF SUM output.5 GND – Ground.6 A I A-

– 26 –1 TE-BAL – Not used.2 LO-REV O Loading motor reverse drive output.3 LO-FWD O Loading motor forward drive output.4 LIMT-SW I Inner edge limit swi

– 27 –52 DATA-DSP O DSP serial data output.53 CD-MUTE O Muting output.54 CD-RST O CD reset output.55 AVDD – Power supply.56 AVREF – A/D converter refe

– 28 –1. How to activate CD test mode1) Remove the resistor R907 (100kΩ) from the MAIN C.B andadd R999 (22kΩ resistor or chip resistor) to the MAIN C.

– 29 –ModeStart ModeLoad / UnloadSearch ModePlay ModeTraverse ModeStop ModeSled ModeOperation KeyRANDOMREPEAT 1INTREPEATLCD DisplayAll LCD light upAll

– 3 –This set employs laser. Therefore, be sure to follow carefully theinstructions below when servicing.WARNING!!WHEN SERVICING, DO NOT APPROACH THE

– 30 –MECHANICAL EXPLODED VIEW 1 / 1B35SHEET,PWB37363231BC33343013145412367891112182322191716152021DBDP.C.BP.C.B2724LCD9512510262729AACDC02AW143BDD

– 31 – 31 8Z-KC2-203-210 LEVER,DFP HOOK -C2 32 8Z-KC2-221-110 SPR-C,DETACH HOOK-C2 33 8Z-KC2-011-210 CABI,BASE -C2 34

– 32 –CD MECHANISM EXPLODED VIEW 1 / 14544403935344141ADAF464747AA484950LEAD 2P5354181817225651434238111516755CORD 3PSENSOR,P.C.B105578564A91213B1

– 33 –CD MECHANISM PARTS LIST 1 / 1DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. 1 S1-100-510-130 COVER TOP

2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111Printed in Singapore9420025 0251431

– 4 –1. Disassembly instructions1) Remove the COVER, TOP and COVER, BOTTOM.2) Remove the DFP.3) Remove the four screws (indicated by the arrows) from

– 5 –ELECTRICAL MAIN PARTS LISTDESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.IC 88-KT1-606-080 IC,PST994D

– 6 –DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO. C502 87-012-358-080 C-CAP,S 0.47-10 FZ C503 87-012-358-080

– 7 –DESCRIPTIONREF. NO. KANRINO.PART NO. DESCRIPTIONREF. NO. KANRINO.PART NO.88AResistor CodeChip Resistor Part CodingFigureValue of resistorChip res

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– 9 –SCHEMATIC DIAGRAM – 1 (MAIN)