Aiwa Minidisc Player Am-Hx70 Parts & Service 电路图.pdf

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1、SERVICE MANUAL DATA MINIDISC PLAYER AM-HX70AHK S/M Code No. 09-009-435-8R1 REVISION This Service Manual is the Revision Publishing and replaces Simple Manual AM-HX70 (S/M Code No. 09-006-435-8T1). BASIC MD MECHANISM : AZG-F A RadioFans.CN 收音机爱好者资料库 2 Main unit Playback systemMiniDisc digital audio

2、system Laser pickupSemiconductor laser Sampling Frequency44.1 kHz Number of channelsStereo: 2 channels Monaural: 1 channel D/A converter1-bit Frequency response40 to 20,000 Hz 4 dB 20 to 20,000 Hz 1 dB (10 k) Wow and FlutterBelow measurable limit (0.00 1% W.PEAK) OutputPhone jack Maximum output leve

3、l 8 mW + 8 mW (16 ) Power requirementsDC 1.2 V using the supplied NI-MH rechargeable battery MHB-901 DC 1.5 V using an LR6 (size AA) dry cell battery AC house current using an optional AC adaptor Battery lifeUsing the supplied rechargeable battery Approx. 19 hours (with power save on: approx. 25 hou

4、rs) Using an LR6 (size AA) dry cell battery Approx. 29 hours (with power save on: approx. 38 hours) Using the supplied rechargeable battery and an LR6 (size AA) dry cell battery Approx. 51 hours (with power save on: approx. 67 hours) Maximum outsideApprox. 71.6 (W) X 13.5 (H) X 77.7 (D) mm dimension

5、s(excluding projected parts and controls) WeightApprox. 60 g excluding batteries. Rated voltageAC 240 V, 50 Hz SPECIFICATIONS Design and specifications are subject to change without notice. Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. DOLBY and the

6、double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. RadioFans.CN 收音机爱好者资料库 3 This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING! WHEN SERVICING, DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS

7、NECESSARY TO CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJEC- TIVE LENS ON THE OPTICAL PICK-UP BLOCK. sCaution: Invisible laser radiation when open and interlocks defeated avoid exposure to beam. sAdvarsel: Usynlig laserstling ved bning

8、, nr sikkerhedsafbrydere er ude af funktion. Undg udsttelse for strling. VAROITUS! Laiteen Kyttminen muulla kuin tss kyttohjeessa mainitulla tavalla saataa altistaa kyt-tjn turvallisuusluokan 1 ylittvlle nkymttmlle lasersteilylle. VARNING! Om apparaten anvnds p annat stt n vad som specificeras i den

9、na bruksanvising, kan anvndaren utsttas fr osynling laserstrlning, som verskrider grnsen fr laserklass 1. PROTECTION OF EYES FROM LASER BEAM DURING SERVICING Precaution to replace Optical block (KMS-330A) Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure gr

10、ound body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in right figure. PICK-UP Assy P.C.B Solder CLASS 1LASER PRODUCT KLASSE 1LASER PRODUKT LUOKAN 1LASER LAITE KLASS 1LASER APPARAT CAUTION Use of controls or adjustments or performance

11、of procedures other than those specified herin may result in hazardous radiation expo- sure. ATTENTION Lutillisation de commandes, rglages ou procdures autres que ceux spcifis peut entraner une dangereuse exposition aux radiations. ADVARSEL Usynlig laserstling ved bning, nr sikkerhedsafbrydereer ude

12、 af funktion. Undg udsttelse for strling. This Compact Disc player is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT label is located on the rear exterior. RadioFans.CN 收音机爱好者资料库 4 DISASSEMBLY INSTRUCTIONS Disassembling and Notes on Reassembling 1. Removing the bottom panel Remove

13、 the seven screws A. Open the battery lid and remove the bottom panel. Assemble the parts from the side of the headphone jack while being careful of the HOLD switch and battery lid. 2. Removing the main board 1)Short the short land of the pickup by soldering. 2)Remove the three connectors. 3)Remove

14、three screws A and screw B. 4)While being careful of the FFC of the pickup, remove the main board. When assembling the parts, fasten the screws from screw B and finally remove the short land of the pickup.Pickup short land 5 3. Removing the Top Panel Remove the four screws A. When assembling the par

15、ts, the claws of the holder should be hooked on the arm (two claws). 4. Removing the center frame Be careful not to contact the pickup during the following procedure. 1)Remove the bottom panel and top panel. 2)Remove the battery hinge block. 3)While bending the boss block of HLDR and CTRG, remove HL

16、DR and CTRG in order of 1 and 2. When assembling the parts, insert the boss of HLDR and CTRG in order of 2 and 1. 4)Remove boss A from the center frame, and remove the center frame while lifting up the mechanism in the direction of the arrow. 3) HLDR, CTRG4) Center frame 6 ELECTRICAL MAIN PARTS LIST

17、 DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. IC 87-A20-707-010 C-IC,CXA2523AR 87-A21-608-010 C-IC,CXD2665GA 8A-HM5-601-010 C-IC,MSM66573L-047TB-9 87-A21-724-040 C-IC,S-93C56AMFN 87-A21-038-040 C-IC,NJU7014R-TE2 87-A21-575-010 C-IC,BD6606KVT 87-A21-316-080 C-IC,S-8328B2

18、4MC 87-A20-861-040 C-IC,S-80808ANNP 87-A20-982-040 C-IC,S-80822ANNP 87-A21-627-040 C-IC,XC6367B102MR 87-A21-341-040 C-IC,TA2131FL TRANSISTOR 89-115-884-080 CHIP -TRANSISTER 2SA1588Y 87-A30-148-080 C-TR,2SC4738GR 87-026-644-080 C-TR,DTA144EE 87-A30-261-080 C-FET,FDC633N 87-A30-262-080 C-FET,FDC634P 8

19、9-332-654-080 CHIP TRANSISTOR, 2SC3265Y 87-A30-147-080 C-TR,2SA1832GR 87-A30-499-040 C-FET,2SK2009 87-A30-033-080 C-FET,2SK2035 DIODE 87-A40-124-080 C-DIODE,RB501V-40 87-A40-687-080 C-DIODE,M1FH3 87-017-850-080 C-DIODE,DAP222 MAIN C.B C100 87-A11-751-080 C-CAP,TN 22U-4 M P C102 87-A11-751-080 C-CAP,

20、TN 22U-4 M P C103 87-A11-751-080 C-CAP,TN 22U-4 M P C104 87-A11-046-080 C-CAP,TN 100U-4 M F95 B C106 87-A11-751-080 C-CAP,TN 22U-4 M P C107 87-A10-766-080 C-CAP,V 0.047-10 K B C108 87-A10-561-080 C-CAP,V 0.01U-16 K B C109 87-A10-671-080 C-CAP,V 0.022-16 K B C110 87-A11-058-080 C-CAP,U 0.22-10 K B C1

21、11 87-A10-558-080 C-CAP,V 4700P-25 K B C112 87-A11-049-080 C-CAP,U 1-6.3 K B C113 87-A10-558-080 C-CAP,V 4700P-25 K B C114 87-A11-049-080 C-CAP,U 1-6.3 K B C115 87-016-448-080 C-CAP,TN 2.2-10 F95P C116 87-A10-543-080 C-CAP,V 100P-50 J CH C117 87-A10-561-080 C-CAP,V 0.01U-16 K B C118 87-A10-561-080 C

22、-CAP,V 0.01U-16 K B C119 87-A10-671-080 C-CAP,V 0.022-16 K B C120 87-A10-559-080 C-CAP,V 6800P-25 K B C121 87-A10-766-080 C-CAP,V 0.047-10 K B C122 87-A10-561-080 C-CAP,V 0.01U-16 K B C123 87-A10-561-080 C-CAP,V 0.01U-16 K B C124 87-A10-554-080 C-CAP,V 1000P-50 K B C125 87-A10-554-080 C-CAP,V 1000P-

23、50 K B C126 87-A10-554-080 C-CAP,V 1000P-50 K B C127 87-A10-554-080 C-CAP,V 1000P-50 K B C128 87-A10-554-080 C-CAP,V 1000P-50 K B C129 87-A10-554-080 C-CAP,V 1000P-50 K B C200 87-A11-751-080 C-CAP,TN 22U-4 M P C201 87-A10-770-080 C-CAP,V 0.1-10 K B C202 87-A10-770-080 C-CAP,V 0.1-10 K B C204 87-A10-

24、902-080 C-CAP,U 0.47-10 K B C205 87-A10-770-080 C-CAP,V 0.1-10 K B C206 87-A10-550-080 C-CAP,V 470P-50 K B C207 87-A10-902-080 C-CAP,U 0.47-10 K B C208 87-A10-561-080 C-CAP,V 0.01U-16 K B C209 87-A10-533-080 C-CAP,V 15P-50 J CH C210 87-A10-533-080 C-CAP,V 15P-50 J CH C216 87-A10-765-080 C-CAP,V 0.03

25、3-10 K B C217 87-A11-751-080 C-CAP,TN 22U-4 M P C219 87-A11-049-080 C-CAP,U 1-6.3 K B C220 87-A11-049-080 C-CAP,U 1-6.3 K B C301 87-A11-049-080 C-CAP,U 1-6.3 K B C302 87-A10-561-080 C-CAP,V 0.01U-16 K B C303 87-A10-561-080 C-CAP,V 0.01U-16 K B C304 87-A10-561-080 C-CAP,V 0.01U-16 K B C305 87-A10-770

26、-080 C-CAP,V 0.1-10 K B C306 87-A10-770-080 C-CAP,V 0.1-10 K B C308 87-010-787-080 CAP, U 0.022-25 C400 87-A10-556-080 C-CAP,V 2200P-50 K B C401 87-A10-770-080 C-CAP,V 0.1-10 K B C402 87-A10-770-080 C-CAP,V 0.1-10 K B C403 87-A11-046-080 C-CAP,TN 100U-4 M F95 B C404 87-A10-591-080 C-CAP,TN 47-6.3 M

27、F95-BCASE C405 87-A11-049-080 C-CAP,U 1-6.3 K B C406 87-A11-049-080 C-CAP,U 1-6.3 K B C407 87-A10-902-080 C-CAP,U 0.47-10 K B C408 87-A10-765-080 C-CAP,V 0.033-10 K B C409 87-A10-765-080 C-CAP,V 0.033-10 K B C410 87-A10-556-080 C-CAP,V 2200P-50 K B C411 87-A10-556-080 C-CAP,V 2200P-50 K B C412 87-A1

28、0-556-080 C-CAP,V 2200P-50 K B C413 87-A10-556-080 C-CAP,V 2200P-50 K B C414 87-A10-556-080 C-CAP,V 2200P-50 K B C415 87-A10-770-080 C-CAP,V 0.1-10 K B C416 87-A11-751-080 C-CAP,TN 22U-4 M P C417 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P C418 87-A11-058-080 C-CAP,U 0.22-10 K B C419 87-A11-058-080 C-CAP,U

29、 0.22-10 K B C420 87-A11-058-080 C-CAP,U 0.22-10 K B C600 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB C601 87-A10-557-080 C-CAP,V 3300P-25 K B C602 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB C603 87-A10-770-080 C-CAP,V 0.1-10 K B C604 87-A10-770-080 C-CAP,V 0.1-10 K B C605 87-A10-554-080 C-CAP,V 1000P-50 K B

30、 C606 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P C607 87-A11-049-080 C-CAP,U 1-6.3 K B C608 87-A10-547-080 C-CAP,V 220P-25 J CH C609 87-A10-537-080 C-CAP,V 33P-50 J CH C610 87-A11-751-080 C-CAP,TN 22U-4 M P C611 87-A11-049-080 C-CAP,U 1-6.3 K B C614 87-012-286-080 C-CAP,U 0.01-25 KB C701 87-A10-770-080 C-

31、CAP,V 0.1-10 KB C702 87-A10-543-080 C-CAP,V 100P-50 J CH C703 87-A10-543-080 C-CAP,V 100P-50 J CH C704 87-A10-543-080 C-CAP,V 100P-50 J CH C705 87-A10-543-080 C-CAP,V 100P-50 J CH C706 87-A11-049-080 C-CAP,U 1-6.3 K B C707 87-016-449-080 C-CAP,TN 10-4 F95 P C708 87-016-449-080 C-CAP,TN 10-4 F95 P C7

32、09 87-A11-058-080 C-CAP,U 0.22-10 K B C710 87-A11-058-080 C-CAP,U 0.22-10 K B C711 87-A11-049-080 C-CAP,U 1-6.3 K B C712 87-A11-049-080 C-CAP,U 1-6.3 K B C713 87-A11-751-080 C-CAP,TN 22U-4 M P C715 87-A11-318-080 C-CAP,TN 220U-2.5 SVB2 C716 87-A11-318-080 C-CAP,TN 220U-2.5 SVB2 C717 87-A11-061-080 C

33、-CAP,S 2.2-10 K B C720 87-A11-058-080 C-CAP,U 0.22-10 KB CN100 87-A61-315-080 C-CONN,20P H XF2L-2035 CN401 87-A61-316-080 C-CONN,8P H XF2L-0835 CN700 87-A61-317-080 C-CONN,8P H XF2L-0825 D300 87-A40-556-080 C-LED,CL-270HR RED L100 87-005-910-080 C-COIL,S 22UH M LK2125 L102 87-A50-359-080 C-COIL, 22U

34、H K NLFC252018 7 L200 87-A50-646-080 C-COIL, 22UH K NLFC201614 L400 87-A50-011-080 C-COIL,47UH LQH3C L401 87-A50-537-080 C-COIL, 100UH C4-K3L L402 87-A50-475-080 C-COIL, 10UH K NLFC201614 L403 87-A50-475-080 C-COIL, 10UH K NLFC201614 L404 87-A50-475-080 C-COIL, 10UH K NLFC201614 L405 87-A50-475-080

35、C-COIL, 10UH K NLFC201614 L406 87-005-910-080 C-COIL,S 22UH M LK2125 L600 87-A50-325-080 C-COIL,180UH C4-K3L L601 87-A50-012-080 C-COIL,100UH LQH3C L701 87-005-769-080 C-COIL,S 100UH K PR600 87-A91-769-080 C-PROTECTOR,0.75A ERY32SB075 PR601 87-A91-769-080 C-PROTECTOR,0.75A ERY32SB075 R204 87-A91-879

36、-080 C-F-BEAD, BK1608TS102 R211 87-A91-880-080 C-F-BEAD, BLM10A601SG R314 87-A00-759-080 C-RES,V 27K-1/16W F R315 87-A00-756-080 C-RES,V 10K-1/16W F R320 87-A00-755-080 C-RES,V 6.8K-1/16W F R321 87-A00-757-080 C-RES,V 12K-1/16W F R322 87-A00-758-080 C-RES,V 22K-1/16W F R323 87-A00-760-080 C-RES,V 68

37、K-1/16W F R618 87-A00-761-080 C-RES,V 510K-1/16W F R619 87-A00-762-080 C-RES,V 680K-1/16W F R701 87-A91-879-080 C-F-BEAD, BK1608TS102 R702 87-A91-879-080 C-F-BEAD, BK1608TS102 DESCRIPTIONREF. NO.KANRI NO. PART NO. R717 87-A91-878-080 C-F-BEAD, BK1608HS241 R718 87-A91-878-080 C-F-BEAD, BK1608HS241 R7

38、19 87-A91-878-080 C-F-BEAD, BK1608HS241 S300 87-A91-436-080 C-SW,PUSH 2-1-1 SPVE3.8 S301 87-A90-703-080 C-SW,SL 1-1-3 SSSS813-B-2B S302 87-A90-232-080 C-SW,TACT SKQRAA S303 87-A90-232-080 C-SW,TACT SKQRAA S304 87-A90-232-080 C-SW,TACT SKQRAA S305 87-A90-232-080 C-SW,TACT SKQRAA S306 87-A90-232-080 C

39、-SW,TACT SKQRAA X200 87-A70-276-080 C-VIB,CER 22.57MHZ CSACW2257MX X301 87-A70-277-080 C-VIB,CER 6.0MHZ CSTRC0600MG05 FLEX JACK C.B 8A-HM5-602-010 PWB,FLEX JACK J700 87-A60-682-010 JACK,3.5 ST 7P DESCRIPTIONREF. NO.KANRI NO. PART NO. 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resi

40、stor Chip resistor WattageTypeTolerance 1/16W 1/10W 1/8W 1608 2125 3216 5% 5% 5% CJ CJ CJ FormLWt 1.60.80.45 21.250.45 3.21.6 108 118 128 : A : A CHIP RESISTOR PART CODE 0.55 Resistor Code Dimensions (mm) Symbol 1/16W10055%CJ1.00.50.35104 L t W ! ! 8 TRANSISTOR ILLUSTRATION B C E 2SA1588 2SA1832 2SC

41、3265 2SC4738 DTA144EE G D S 2SK2009 2SK2035 FDC633N FDC634P D G D S D D WIRING 1 (MAIN) 9 3142 139 137 133 130 126 124 121 118 116 112 110 2141 138 135 132 129 127 123 120 117 114 111 109 54140 136 134 131 128 125 122 119 115 113 108106 107 761103 104 105 81011100 102 101 91312979899 141615969594 17

42、1918929193 20888990 212425858687 222326828384 292728788081 3032767779 333436737475 143147 144 374647505356596468 14672 145 38404245485155576063666770 39414344495254586162656971 IC200 CXD2665GA TOP VIEW 31 35 A B C D E F G H J K L M N U P R 1234567891011121314151617 TERMINAL DETAIL FIGURE T 181920212

43、2232425 A B C D E F G H I J K L M N O P Q R S T U 17161514131211109876 10 151413121110987654321 A B C D E F G H I J K L M N O P Q R S T U 1617181920212223242526272829303132 WIRING 1 (MAIN) 11 SCHEMATIC DIAGRAM (MAIN / FLEX JACK) WIRING 2 (FLEX JACK) 12 123456789101112131415 A B C D E F G H I J K L M

44、 N O P Q R S T U 13 IC BLOCK DIAGRAM IN-1 MTTC IN+1 VDD VSS VCC INB INA +B BSTOUT LPF2 NF2 FB CE EXT GND GNDAGCINOUTBDET OUT EXT FB GND BEEP GND BEEPOA BEEPOB OUTA OUT1 VERFIN VREF LPF1 NF1 IN GND OUT GND MTSW PWSW BSTSW VDD IN VDD 14 A-1NCNot connected. A-2NCNot connected. A-33MNT1OMonitor output.

45、B-1NCNot connected. B-2NCNot connected. B-32MNT0I/OMonitor input/output. C-15MNT3OMonitor output. C-24MNT2OMonitor output. C-3NCNot connected. D-17SCLKIMicroprocessor serial bus clock input. D-26SWDTIMicroprocessor serial bus data writing input. D-31VDC0VDD for internal logic (1.8V). E-18XLATIMicrop

46、rocessor serial bus latch input. E-210SRDTOMicroprocessor serial bus data reading output. E-311SENSOInternal state output to the microprocessor serial bus address. F-19VSC0GND for internal logic. F-213SQSYO ADIP synch output when PTGR (ADRS = $3B, DATA1 - D7) = 0. DISC SUB-Q synch output when PTGR =

47、 1. F-312XRSTIReset input. Reset with “L”. G-114MTFLGLOLch zero data detection flag output (Not used). G-216XINTOInterruption status output. “L” at interruption status. G-315TST1ITest pin. Set to “L”. H-117TST2ITest pin. Set to “L”. H-219OSCIIXtal oscillation circuit input (OSCI pin reverse output). H-318VDIOSCVDD for OSC cell (2.4V). J-120OSCOOXtal oscillation circuit output. J-2NCNot connected. J-3NCNot connected. K-121VSIOSCGND for OSC cell. K-224AOUTLOBuilt-in DAC Lch output. K-325DAVDDLVDD for built-in DAC (Lch 2.4V). L-122