Akai-CD22-cd-sm 电路图 维修手册.pdf

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1、AK AI SERuiCEzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA mnniHiL AKAI S S cb m (S) I I I COMPACT DISC PLAYER MODEL CD-2 2 MODEL CD-A3 3 5 O COMPACT DIGI TAL AUDIO SPECIFICATIONS Pick-up system 3 beam Laser pick-up Sampling frequency 44.1 kHz Digital filter 16 bit, 2 times over sampling D/A

2、converter 16 bit linear Error correction system Cross Interleave Reed Solomon Number of channels 2 channel stereo Frequency response 5 Hz to 20 kHz +0.5 dB Dynamic range 90 dB or more S/N 98 dB or more Total harmonie distortion 0.005% or less Wow INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DE

3、FEATEO AVOIO EXPOSURE TO BEAM. A D V A R S E L ; USYNLIG LASERSTRALINC VED IBNING NAR SIKKERHEOSAFBRYDERE ER UDE AF FUNKTION UNDGA UOS/ CTTELSE FOR STRALING. A Label affixed on the Rear Panel of the unit USA CLASS 1 LASER PRODUCT A Label affixed on the Disc clamper inside of the unit DANGER - INVISI

4、BLE LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM. A Label Printed on the Rear Panel of the unit A Label affixed on the Disc clamper inside of the unit S E R V I C E MANUAL 3 RadioFans.CN 收音机爱 好者资料库 I. CONTROLS O POWER Button To turn the power on and off. O Disc Drawer Load a compact disc

5、 liere. REMOTE SENSOR Window For reception of the remote control signal from the provided RC-C32 remote controi unit. Keep away from strong light and direct sunlight as this will interfere witfi tfie remote control function. O FL (Fluorescent) Display Tells you what the CD player is doing. REPEAT Bu

6、tton For repeat playback of all the tracks or the random program. 0 DISPLAY Button To switch between the remaining playback time display and the elapsed playback time display. O PROGRAM Button For random program playback. 0 CLEAR Button To cancel all the programmed tracks for random program play- ba

7、ck. 0 Numeric Buttons O to 9) For direct search of the track you wish to playback and for program- ming for random program play- back. c=)STOP Button To stop playback. o/oD PLAY/PAUSE Button To start and stop playback tempo- rarily. 0 / and -=1 / c-w Search Buttons / c=-o Buttons For manual searcfi

8、during play- back. / OW Buttons To skip tracks during playback. = OPEN/CLOSE Button To open and close the disc drawer. PHONES Jack and LEVEL Control For headphone listening. 4 S E R V I C E MANUAL On the disc drawer T he disc drawer of this CD player is capable of holding a CD single (8cm diameter C

9、D) for playback. P la ce the C D single on the center of the disc drawer as shown in the following illustration. Disc drawer CD single positioning guide FL (Fluorescent) Display Music Track Number (MUSICNO.) Display REPEAT Indicator REMAIN (Remaining) Indicator uu PAUSE REPEAT REMAIN PROGRAM u u u u

10、 O PLAY Indicator Digital Display OOPAUSE Indicator PR O G R AM Indicator SERVICE MANUAL 5 REMOTE CONTROL UNIT The operation buttons on the remote control unit are the same as those on the CD player and can be used to con- veniently control all the CD players functions except power on/ off and headp

11、hone volume control. T ra nsmitting W indow N ume ric Buttons (1 to O) D I S P LAY Button S e a rch (Skip forwa rd) and (S kip reverse) Buttons S e a rch (Forward) a nd (Reverse) Buttons 1 2 3 C D 1=1 4 5 6 7 8 9 CZD CZD O n3 ZDzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA CZD * w- T H t M O

12、T t C O N T R O L ,neo-. AKAI c-c,i2 ;_cljgg ( O pe n/C lose ) Button C LE AR Button P R O G R AM Button R EPEAT Button / I I (Play/Pause) Button (Stop) Button 6 SERVICE MANUAL II. DISASSEMBLY In case of troiible, etc, nece.ssitating dismantling, please dismantle in the order shown in the photograph

13、s. Reassemble in reverse order. * Photographs employed here are model CD-A335. 1. Removal of UPPER COVER UPPER COVER 2. Removal of FRONT PANEL V . 4. Removal of MECHA BLOCK PI P2 MECHANICAL BLOCK P3 Remove the fixing screws and connectors PI to P4. * See NOTE. NOTE: When disconnecting or connecting

14、the connectors PI and P2, make sure that th P.C. Board (On the PICK- UP BLOCK) has to be shorted circuit. (Refer to IV. REPLACEMENT OF PICK-UP BLOCK AND MO- TORS) S E R V I C E MANUAL 7 PRINCIPAL PARTS LOCATION V O L T A G E S E L E C T O R SW ( C D - A 3 3 5 model only ! S L I D E MOTOR MAIN P C B

15、HEAD PHONE PCB S P I N D L E MOTOR OPRATION P C B PICK U P B L K Fig. 3-1 8 S E R V I C E MANUAL IV. REPLACEMENT OF PICK-UP BLOCK AND MOTORS Note: Keep your safety from hazardous invisible Laser Radiation. Make sure that the power switch is OFF, when re- movina the DISC CLAMPER. 4-1. REMOVAL OF THE

16、DISC CLAMPER (Refer to Fig. 4-1) 1) Turn the LOADING CAM GEAR to counter-clock- wise (), then open the DISC TRAY. 2) Slightly pull up the DISC CLAMPER to t direction , at the same time move the DISC CLAMPER to- direction , then remove the DISC CLAMPER. 4-3. REPLACEMENT OF THE PICK-UP BLOCK (Refer to

17、 Fig. 4-3) 1) Open the disc tray and disconnect the connectors PI and P2 on the pick-up block. (See 4-2 PRECAU- TION) 2) Push the part in a direction, at the same time, push the part of shaft in a direction, then remove the PICK-UP BLOCK. 3) Reassemble in reverse order. FRONT PANEL Fig. 4-1 4-2. PRE

18、CAUTION, WHEN REPLACING THE PICK-UP BLOCK When connecting or disconnecting the connectors P I and P2, the circuit of the PC Board (on the Pick-up Block) has to be shorted by solder as shown 4-2. After connecting the connectors P I and P2, resolder from the circuit. Fig. 4-3 O Short by solder O O Fig

19、. 4-2 S E R V I C E M A N U A L - 9 4-4. REPLACEMENT OF THE SPINDLE MOTOR (Refer to Fig. 4-4 and Fig. 4-5) 1) Turn the G E A R HOLD L E V E R counter-clock- wise, then pull out the SLIDE GEAR (Fig. 4-4). 2) Move the PICK-UP BLOCK to opposite direction from the SPINDLE MOTOR ( - direction). (Fig. 4-5

20、) 3) Remove two fixation screws of the SPINDLE MOTOR through the hole on the TURNTABLE as shown Fig. 4-5. 4) Reassemble in reverse order. 4-5. REPLACEMENT OF THE LOADING MOTOR (Refer to Fig. 4-5) 1) Remove the LOADING B E L T from the LOADING MOTOR. 2) Extend motor holders , at the same time push th

21、e LOADING MOTOR from pulley side, then remove the LOADING MOTOR. 3) Reassemble, just push in the LOADING MOTOR and put the LOADING BELT. 4-6. REPLACEMENT OF THE SLIDE MOTOR (Refer to Fig. 4-4) 1) Turn the MOTOR HOLD L E V E R () clockwise, then pull out the SLIDE MOTOR. 2) Reassemble in reverse orde

22、r. LOADING MOTOR SLIDE GEAR LOADING = -GEAR HOLD LEVER MOTOR HOL LEVER VIEW FROM BOTTOM SIDE -SLIDE MOTOR SPINDLE MOTOR Fig. 4-4 PICK-UP BLOCK zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA 1 1 1 VIEW FROM UPPER SIDE SCREW SCREV TURN TABLE Fig. 4.5 S E R V I C E MANUAL 10 ABBREVIATIONS (COMPAC

23、T DISC) A B B R E V I A T I O N E X P L A N A T I O N A B B R E V I A T I O N E X P L A N A T I O N A-D Analog to Digital (Convertor) Mb Mega Bits A D C Analog to Digital (Convertor) MDA Motor Drive Amplifier B C D Binary Code Decimal M F M Modified Frequency Modulation BPI Bits per Inch MM Mono-sta

24、ble Multivibrator C D Compact Disc MFM Modified Modified Frequency Modulation C I R C Cross Interleaving Custom Version SP (Service Parts) Classification These reference symbols correspond with component symbols in the Schematic Diagrams. The available PC Board Blocks are listed separately. 5. When

25、Part No. is known, Parts Index at end of Parts List can be used to locate where that part is shown in Parts List by its Reference No.listed at right of Part No. PART NO. DESCRIPTION EI-324536 IC HD14()49BP EI-33681 IC MB8841-564M EC-338399 C MMY V 223M 250AC |U,E,B,S| EC-350949 C MMY V 223M 25DC J E

26、C-338397 C MMY V 223M 125AC |C,A EI-318384 OSC X T A L NC-18C i r Symbols for primary destination -1 WARNING t (*) INDICATES SAFETY CRITICAL COMPONENTS. FOR CONTINUED SAFETY, REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURES RECOMMENDED PARTS. AVERTISSEMENT J (*) IL INDIQUE LES COMPOSANTS CR

27、ITIQUES DE SCURIT. POUR MAINTENIR LE DEGR DE SCURITDE LAPPAREIL, NE REMPLACER QUE DES PICES RECOMMANDEES PAR L FABRICANT. PARTS L I S T 12 M E C H A B L O C K 3.zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA P.C BOARD BLOCK Ref. No. Part No. Description IA BA-P2036D030E PC(#) MAIN BLK CD-A335-

28、B(U) U.E.B.S CD-A335 18 BA-P2036A030F PC(#) MAIN BLK CD-A335-B(V1 V CD-A335 IC BA-P2036A030H PC(#) MAIN BLK CD-22-B(A) A CD-22 IE BA-P2036D030E PC(#) MAIN BLK CD-A335-B(U) C CD.22 NOTE : Parts will not be supplied if they are not listed in the parts list, even if they appear on the assembling illust

29、rations with referrence No. PC (*) MAIN BLK CONSISTS OF FOLLOWING P C BOARD. MAIN P.C BOARD HEADPHONE P.C BOARD 4. MAIN P.C BOARD Ref. No. Part No. Description 03 ED-344280 D SILICON H GMA-01-FY2 F05 D6 ED-305706 D ZENER H HZ7 B3 D8 EO-344280 0 SILICON H GMA-01-FY2 F05 D9 EO-344280 D SILICON H GMA-0

30、1-FY2 F05 D11 ED-344280 D SILICON H GMA-01-FY2 F05 D12 ED-344280 D SILICON H GMA-01-FY2 F05 015 ED-346529 D ZENER H HZ6C2L 0201 ED-344280 D SILICON H GMA-01-FY2 F05 0202 ED.344280 D SILICON H GMA-01-FY2 F05 0203 ED-344280 D SILICON H GMA-01-FY2 F05 D204 ED-330622 D SILICON 1SR35A-100 100/1 FLl EH-38

31、0561J FILTER LC LP BL-21TV 20KHZ FL2 EH-380185J FILTER EMI ZBF503S-01 ICl El-368608 IC CXA1081 IC2 EI-368609 IC CXA1082B IC3 EI-368610 IC CXDl 1350 IC4 EI-382251J IC LC3517BS-15 IC5 EI-379865J IC CXP5016H-260S CUSTOM iC7 EI-330352 IC BA6109 IC8 EI-385680J IC PCM56P-L IC9 EI-332259 IC TC4052BP ICIO E

32、I-349719 IC M5218P ICl 1 EI-349719 IC M5218P IC 12 *EI-371572 IC UPC7805H IC13 *EI-378893J IC AN79M05F IC14 EI-360039 IC TC74HC08P L1 EO-351861 COIL FIX 1 LAL02 F05 100J L2 EO-351861 COIL FIX 1 LAL02 F05 100J P7 EJ-382473J PIN J YKC21-0296 2P LINE OUT P i l EJ-376482 PIN J YKBl 1-0422 IP DIGITAL OUT

33、 R42 *ER-328278 R FUSE H ER02FC 1/4W lOROt TRI ET-3 18237 TR 2SB764 E,F TR2 ET-310148 TR 2SD612K E,F TR3 ET-3 18237 TR 2SB764 E,F TR4 ET-310148 TR 2SD612K E,F TR5 ET-322598 TR 2SB632K E,F TR6 ET-200986 TR 2SD863-V8 F TR7 ET-318237 TR 2SB764 E,F TR8 ET-360067 TR 2SC3330T,U F05 TR9 ET-310148 TR 2S0612

34、K E,F TRIO ET-322598 TR 2SB632K E,F TRI 7 ET-360067 TR 2SC3330 T,U F05 TRI 8 ET-353899 TR 2SA1317 S,T,U TRI 9 ET-360067 TR 2SC3330 T,U F05 Ref. No. Part No. Description TR20 ET-352726 TR 2SA1392 T.U TR21 *ET-353899 TR 2SA1317 S,T,U TR22 ET-354897 TR FET 2SK170 BL.GR.V TR23 ET-378524J TR 2SC3383 S,T,

35、U TR28 ET-360067 TR 2SC3330 T,U F05 T l BT-368261 TRANS PULSE TC-1027-04 VRl EV-358829 R S-FIX H RH0615C O.lOW 223 VR2 EV-358829 R S-FIX H RH0615C 0.1 OW 223 VR3 EV-358829 R S-FIX H RH0615C O.lOW 223 VR4 EV-358829 R S-FIX H RH0615C O.lOW 223 VR5 EV-371279 R S-FIX H VM6CKPVB 0.30W 102 X I EI-374176 O

36、SC XTAL AT-51 16.9344MHZ 5. HEAD PHONE P.C BOARD Ref. No. Part No. Description FL3 EH-380185J FILTER EMI ZBF503S-01 A,V FL4 EH-380185J FILTER EMI ZBF503S-01 A,V IC6 EI-349719 ICM5218P P15 EJ-358901 PHONE J 3P HLJ0541-010 W/NUT HEADPHONE TR26 ET-360067 TR 2SC3330 T.U F05 VR6 EV-378 1 75 VR ROTARY RK0

37、97 1 220 B203X2 HEADPHONE LEVEL P A R T S L I S T 14 6. OPERATION P.C BOARD Ref. No. Part No. FL1 EM-374177 PHl ET-381683J TSl ES-373381 TS2 ES-373381 TS3 ES-373381 TS4 ES-373381 TS5 ES-373381 TS6 ES-373381 TS7 ES-373381 TSB ES-373381 TS9 ES-373381 TS10 ES-373381 TS11 ES-373381 TS12 ES-373381 TS13 E

38、S-373381 TS14 ES-373381 TS15 ES-373381 TS16 ES-373381 TS17 ES-373381 TS18 ES-373381 TS19 ES-373381 TS20 ES-373381 TS21 ES-373381 Description IND FL 7-BT-83GK DETECTOR A1QH3021H0 SWTACTSKHHPP REPEAT SW TACT SKHHPP CLEAR SW TACT SKHHPP PROGRAM SW TACT SKHHPP DISPLAY SW TACT SKHHPP 9 SW TACT SKHHPP 8 S

39、W TACT SKHHPP 7 SW TACT SKHHPP 6 SW TACT SKHHPP 5 SW TACT SKHHPP 4 SWTACT SKHHPP 3 SW TACT SKHHPP 2 SW TACT SKHHPP 1 SW TACT SKHHPP 0 SW TACT SKHHPP OPEN/CLOSE SW TACT SKHHPP RS SW TACT SKHHPP FS SW TACT SKHHPP FR SW TACT SKHHPP FF SW TACT SKHHPP PLAY/PAUSE SW TACT SKHHPP STOP Ref. No. Part No. T1A

40、*BT-378168 T1B *BT-378170 TIC *BT-37817 1 T1D *BT-378169 FL1 *EO-338409 F1A *EF-601942 F2A *EF-601942 FIB *EF-358974 F2B *EF.358974 F1C *EF-309391 F2C *EF-309391 Description TRANS POW P2036(U) U CD-A335 TRANS POW P2036(E,V) E,V CD-A335 TRANS POW P2036(B,S) B,S CD-A335 TRANS POW P2036(A,C) A,C CD-22

41、COIL LF FKOB160MH02 250UH FUSE SEMKO T 250V 630MA E,V CD.A335 FUSE SEMKO T 250V 630MA E,V CD-A335 FUSE BETT 250V 630MA B,S CD-A335 FUSE BET T 250V 630MA B,S CD-A335 FUSE TSC 125V 800MA A.C CD-22 FUSE TSC 125V 800MA A,C CD-22 7. POWER SUPPLY P.C BOARD Ref. No. Part No. Description C6 *EC-338496 C CE

42、V FZ 472P 400AC Dl *ED-330622 D SILICON 1SR35A-100 100/1 .OA D2 *ED-330622 D SILICON 1 SR35A-100 100/1 OA D3 *ED-330622 D SILICON 1 SR35A-100 100/1 .OA D4 *ED-330622 D SILICON 1SR35A-100 lOO/l.OA D5 *ED-330622 D SILICON 1SR35A-100 lOO/l.OA D6 *ED-330622 D SILICON 1 SR35A-100 100/1 .OA D7 *ED-330622

43、D SILICON 1 SR35A-100 100/1 .OA D8 *ED-330622 D SILICON 1SR35A-100 100/1,0A D9 *ED-330622 D SILICON 1 SR35A-100 100/1 .OA D10 ED-346620 D ZENER H HZ27 2 Dll ED-346609 D ZENER HHZ9C1 D12 *ED-330622 D SILICON 1SR35A-100 100/1.OA SWl *ES-371104 SW PUSH SDDLD1082A 01-1 POWER SW TRI ET-318237 TR 2SB764 E

44、,F VS1 *ES-349464 SW SLIDE 001 203 1 9 01-2 U VOLTAGE SELECTOR PARTS LIST FINAL ASSEMBLY BLOCK 8. FINAL ASSEMBLY BLOCK Ref. No. Part No. Description 2A S A - 3 8 3 8 4 5 J FOOT C D - A 3 5 5 P A R T C D - A 3 3 5 2 B S A - 3 7 9 3 7 5 FOOT|N| CD-22 3A Z S - 3 4 2 0 0 1 S T B R 3 0 X 0 6 S T L NI3 C

45、D - A 3 3 5 3 8 Z S - 3 5 2 1 3 3 S T B R 3 0 X 1 O S T L C M T CD-22 4 2 5 3 4 2 0 0 1 S T B R 3 0 X 0 6 S T L NI3 5 Z S - 3 1 3 7 9 6 S T B I D 4 0 X 0 6 S T L C M T 6A * E W - 3 6 3 6 5 8 AC CORD 2 0 0 0 1 2 9 A V F F B 100 A U/ U C D - A 3 3 5 6 B * E W - 3 6 3 6 7 1 A C CORD 2 0 0 0 3 6 4 L C F

46、 L B I O O A E E,V C D - A 3 3 5 6C * E W - 3 6 3 6 8 3 AC CORD 2 0 0 L C F L B 1 0 0 A B B C D - A 3 3 5 6D * E W - 3 6 3 6 9 7 AC CORD 2 0 0 0 4 3 6 L C F L B I O O A S S C D - A 3 3 5 6E * E W - 3 6 3 6 2 1 AC C 0 R D 2 0 0 0 2 3 8 S P T l B 100 A UC A,C CD-22 7 Z S - 3 5 0 9 3 4 PT B R 3 0 X 0 8

47、 S T L BNI 8 Z S - 3 5 4 7 7 1 T 2 B R 3 0 X 0 8 S T L NI3 P R O J E C T I O N 9 Z S - 3 0 8 6 7 3 T 2 P A N 3 0 X 2 0 S T L NI3 G U I D E 10 Z S - 3 7 8 163 S C R E W G R A D U A T E D 11 S P - 3 8 3 8 4 8 J PANRL T R A Y ( l ) 8 2 12 Z S - 3 5 1 2 0 4 PT B R 3 0 X 0 6 S T L 8NI 13 MZ-378 1 44 J O

48、I N T P O W 14 S K - 3 8 3 5 1 0 J KNOB P O W B 15A B D - P 2 0 4 6 A 0 4 0 A PANEL FRONT BLK CD-A335-B 15B B D - P 2 0 4 6 E 0 4 O B PANEL FRONT BLK CD-22-B 16 Z S - 3 5 4 4 0 3 S T B R 3 O X 0 8 S T L 8NI 17 Z S - 3 6 5 7 5 9 C T B R 3 0 X 0 8 S T L 8ZN P R O J E C T I O N 18 S K - 3 7 7 7 3 3 KNOB VOL B 19A S P - 3 8 3 8 4 9 J C O V E R U P P E R 8 2 C D - A 3 3 5 198 S P - 3 7 8 1 5 7 C O V E R U P P E R B CD.22 20 Z S - 3 6 5 7 5 9 CT B R 3 0 X 0 8 S T L BZN P R O J E C T I O N 21 Z S - 3 4 1