Aiwa-HS-PX797-Service-Manual 电路图 维修手册.pdf

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1、SERVICE MANUAL HS-PX797AK, AE STEREO CASSETTE PLAYERBASIC TAPE MECHANISM : 6ZM-2 P11NF S/M Code No. 09-998-415-5R1 REVISION ? Design and specifications are subject to change without notice. Maximum output:4 mW + 4 mW (EIAJ/16W) Load impedance:16 ? 32 ohms Power sources:DC 1.2 V using supplied rechar

2、geable battery NB-5G, DC 1.5 V using an R6 (AA) dry cell battery, AC house current using the optional AC adaptor Maximum dimensions: 80.1 (W) x 110.2 (H) x 24.1 (D) mm (31/4 x 43/8 x 31/32in.) WeightApprox. 164 g, (5.7 oz) (including the rechargeable battery, excluding the battery case) ? Dolby nois

3、e reduction manufactured under license from Dolby Laboratories Licensing Corporation. ?DOLBY? and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. SPECIFICATIONS RadioFans.CN 收音机爱 好者资料库 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO. ELECTRIC

4、AL MAIN PARTS LIST IC 87-A21-179-040C-IC,TA2123AF 87-A20-818-040C-IC,NJM2185AV 87-A20-961-040C-IC,MM1279XV 87-A21-277-010C-IC,ML63512-122 87-A20-861-040C-IC,S-80808ANNP TRANSISTOR 89-111-624-080TR,2SA1162Y 87-026-417-080TR,RN1310 87-026-480-080C-TR,RN4605 89-333-266-080CHIP TR,2SC3326B 89-113-625-08

5、0TR,2SA1362GR 89-341-165-080C-TR,2SC4116GR 87-026-423-080C-TR RN2305 DIODE 87-A40-666-040C-DIODE,HN2S01F 87-A40-676-040C-ZENER,UDZ11B MAIN C.B C10187-012-273-080C-CAP,U 820P-50 B C10287-012-273-080C-CAP,U 820P-50 B C10387-012-273-080C-CAP,U 820P-50 B C10487-012-273-080C-CAP,U 820P-50 B C10587-016-11

6、4-080C-CAP,U0.01-25B C10687-016-114-080C-CAP,U0.01-25B C10787-A11-188-080C-CAP,TN 22-4 AM004R C10887-A11-188-080C-CAP,TN 22-4 AM004R C10987-A11-188-080C-CAP,TN 22-4 AM004R C11087-A10-025-080C-CAP,U 0.22-16Z F C11187-012-278-080C-CAP,U 2200P-50 KB C11287-A10-263-080C-CAP,U 0.1-16ZF C11387-A11-188-080

7、C-CAP,TN 22-4 AM004R C11587-A10-707-080C-CAP,U 0.47U-16 F Z C11687-A10-707-080C-CAP,U 0.47U-16 F Z C11787-A10-707-080C-CAP,U 0.47U-16 F Z C11887-016-562-080C-CAP,TN 4.7-10 SV A C11987-A11-797-080C-CAP,S 2.2-16 Z F C12087-A10-263-080C-CAP,U 0.1-16ZF C12387-A10-263-080C-CAP,U 0.1-16ZF C12487-A10-263-0

8、80C-CAP,U 0.1-16ZF C12587-A10-706-080C-CAP,U 0.33-16Z F C12687-A10-707-080C-CAP,U 0.47U-16 F Z C12787-A11-056-080C-CAP,U 1-10 Z F C12887-A10-707-080C-CAP,U 0.47U-16 F Z C12987-016-562-080C-CAP,TN 4.7-10 SV A C13087-A10-263-080C-CAP,U 0.1-16 Z F C13187-A11-797-080C-CAP,S 2.2-16 Z F C13287-A11-797-080

9、C-CAP,S 2.2-16 Z F C13387-016-317-080C-CAP,TN 2.2-6.3 C13487-A11-056-080C-CAP,U 1-10 Z F C13587-A11-797-080CAP, S 2.2-16 ZF C13687-A11-797-080CAP, S 2.2-16 ZF C13787-010-805-080CAP, S 1-16 C13887-010-805-080CAP, S 1-16 C14187-010-828-080CHIP CAPACITOR,U 0.033-25F C14287-010-828-080CHIP CAPACITOR,U 0

10、.033-25F C14387-010-674-080CAP, ELECT 220-2 C14487-010-674-080CAP, ELECT 220-2 C14887-A11-056-080C-CAP,U 1-10 ZF C14987-A10-707-080C-CAP,U 0.47U-16 F Z C17087-010-785-080C-CAP,U 0.015-25 KB C20187-010-805-080CAP, S 1-16 C20287-010-805-080CAP, S 1-16 C20387-012-274-080CHIP CAP,U 1000P-50B C20487-A11-

11、187-080C-CAP,TN 10-4 AM004R C20587-A11-188-080C-CAP,TN 22-4 AM004R C20787-A10-369-080C-CAP,S 0.47-16 K B C20887-A10-369-080C-CAP,S 0.47-16 K B C20987-016-460-080C-CAP,S 0.22-16 B C21087-016-460-080C-CAP,S 0.22-16 B C30187-A10-031-080C-CAP,U 0.01-25 KB C30287-A10-260-080C-CAP,U 0.1-16 K B C30387-A11-

12、796-080C-CAP,S 4.7-10 Z F C30487-A10-260-080C-CAP,U 0.1-16 K B C30587-A10-025-080C-CAP,U 0.22-16Z F C30687-A10-707-080C-CAP,U 0.47U-16 F Z C30787-A11-056-080C-CAP,U 1-10 ZF C30887-A10-031-080C-CAP,U 0.01-25 KB C30987-A10-031-080C-CAP,U 0.01-25 KB C60187-A11-189-080C-CAP,TN 47-4 M BM004R C60287-A11-1

13、88-080C-CAP,TN 22-4 AM004R C70187-010-505-080CA, CHIP TANTALUM 1-16 C70287-A10-263-080C-CAP,U 0.1-16ZF C70387-A11-056-080C-CAP,U 1-10 Z F C70487-A10-263-080C-CAP,U 0.1-16ZF C70587-012-166-080C-CAP,U 4P-50 C CH C70787-A11-056-080C-CAP,U 1-10 Z F C70887-A10-263-080C-CAP,U 0.1-16ZF C70987-A10-263-080C-

14、CAP,U 0.1-16ZF C80187-A11-812-080C-CAP,E 220-4 MVSV C90387-010-831-080C-CAP,U 0.1-16 ZF C90487-010-831-080C-CAP,U 0.1-16 ZF C90587-012-274-080C-CAP,U 1000P-50 K C90787-012-274-080C-CAP,U 1000P-50 K J10185-HK3-605-010JACK,DIA3.5 ST 5P L90187-005-906-080C-COIL,S 10UH K LK2125 L90287-005-906-080C-COIL,

15、S 10UH K LK2125 LED50187-A90-278-080C-LED,SML-210VT RED PS40187-A91-428-010SNSR,PHOTO NJL5193K-F10 R10587-022-281-080CHIP RES U 680-1/6W F R10687-022-281-080CHIP RES U 680-1/6W F R10787-022-281-080CHIP RES U 680-1/6W F R10887-022-281-080CHIP RES U 680-1/6W F R20387-022-252-080C-RES,U36K-1/16WF R7098

16、7-022-286-080C-RES U 100K-1/16WF R71087-022-249-080C-RES U27K 1/16WF S10187-036-379-180C-SW,SL SS-350-A12B-C-T S10287-A90-703-080C-SW,SL 1-1-3 SSSS813-B-2B S20187-036-379-180C-SW,SL 1-1-2 SS-350-A12B- S70187-A91-320-080C-SW,SL 1-1-2 SSSS8A2-B- S70287-036-379-180C-SW,SL 1-1-2 SS-350-A12B- S70387-A90-

17、665-280C-SW,TACT LS7A2M S70487-A90-665-280C-SW,TACT LS7A2M S70587-A90-665-280C-SW,TACT LS7A2M S70687-A90-665-280C-SW,TACT LS7A2M S70787-A91-421-010SW,LEAF 6ZM-2(H) S70887-A91-365-080C-SW,PUSH 1-1-1 SPVG21 S70987-A91-461-010SW,PUSH HXW4010 SFR30187-A91-465-040C-SFR,K 6.8K H RH03AEC TH30187-A90-855-08

18、0C-THMS,SC20-3K102K VR10187-A90-116-080C-VR,RTRY 20KCX2 V XV0103 X70187-A70-151-110VIB,XTAL 32.768KHZ VT- HEAD FLEX C.B PH188-HK5-602-010HEAD ASSY 6ZM-2(P5) 2 RadioFans.CN 收音机爱 好者资料库 34 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resistor Chip resistor WattageTypeTolerance 1/16W 1/

19、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 TRANSISTOR ILLUSTRATION IC BLOCK DIAGRAM IC, MM1279XV IC, TA2123AF IC, NJM2185AV RN2305 RN1310 2SA1162Y

20、 2SC3326B 2SC4116GR 2SA1362GR RN4605 B E C B1 C1 E2 C2 E1 B2 RadioFans.CN 收音机爱 好者资料库 WIRING 65 14131211109876543211234567891011121314 AA BB CC DD EE FF GG HH II JJ KK LL MM NN OO PP QQ RR SS TT UU SCHEMATIC DIAGRAM (MAIN) 87 PHONES/REMOTE J101 IC, ML63512-122 IC DESCRIPTION 910 1AF INIH: exist music

21、, L: no music. 2SCLKIInput serial clock (Not used) . 3MUTEOH: mute OFF, L: mute ON. 4SDATAOOutput serial data (Not used). 5F/R CONTOH: REV mode, L: FWD mode. 6MS-SENSOH: FF/REW (include MS, BS), L: Other. 7MOT DIROH: counterclockwise, L: clockwise. 8P-SNSR INIInput photo sensor. 9AF-MOMITOROH: when

22、AF IN L level, L: when AF IN H level (Not used). 10MOT ONOH: motor ON, L: motor OFF. 11MOT BROH: motor brake ON, L: motor brake OFF. 12HOLD INIH : hold OFF, L : hold ON. 13NCNot connected. 14NCNot connected. 15KEY MAINIMain unit key input. 16REMOTEIRemote controller key input. 17P- SNSR KOOutput for

23、 P-SNSR control. 18LOAD CTLOOutput for battery capacity checking (Not used). 19LED KOOutput for OPE, BATT LED control. 20MOTOR ON LOH: when motor on L level, L: when motor on H level. 21VDDIInterface power supply for external equipment. 22VSSPower supply ( - ). 23VDDPower supply ( + ). 24VDDHPower s

24、upply booster for backup. 25CB1Connected to capocitor for power supply booster. 26CB2Connected to capocitor for power supply booster. 27VDDLPower supply ( + ) for internal logic. 28XT0Connected to crystal oscillator for low speed. 29XT1 (32.768 kHz). 30TEST1BTest terminal. 31TEST2BTest terminal. 32O

25、SCMConnected to capacitor for hi speed clock (Not used). 33OSC0Connected to crystal oscillator for hi speed (Not used). 34OSC1Not used. 35RESETBIInput reset. 36BEEPOOutput beep sound. 37CASS SWIH: not exist cassette, L: exist cassette. 38MOTOR CHIDetect motor rotation. 39LOAD CTL2OOutput for battery

26、 capacity checking. 40TIMING SWIInput mechanism operation detection. 41REMOTE DETISwitching level detector. Pin No.Pin NameI/ODescription 42SET STOPIH: normal operation, L: stop mechanism. 43P-CHECKOOutput for photo sensor puls checking (Not used). 44FF/REWOH: when MS-SENS. “L” level, L: when MS-SEN

27、S. “H” level. 45POWER ONOH: power ON, L: power OFF. 46P-SNSR DETIH: ignore input when existing play sound, L: always monitor photo sensor. 47EJECT SWIInput for eject operation detection. H: normal, L: when EJECT is ON. 48BS MODE INIH: continuns playback. enable BS, L: go&return playback. disable BS.

28、 Pin No.Pin NameI/ODescription 1 1 ADJUSTMENT PRACTICAL SERVICE FIGURE Tape speed :3015Hz 50Hz Wow :Less than 0.55% (RMS) Take-up torque :20 30g-cm (FWD) F.F torque :70 150g-cm REW torque :70 150g-cm Back tension :1.0 3.0g-cm (FWD) S/N ratio :More than 42dB (PB, DC) Distortion :Less than 3.0% (PB, D

29、C) Noise level :Less than 3.0mV (Vol MAX, PB, DC) Less than 0.4mV (Vol MIN, PB, DC) Frequency response :63Hz + 3 / ? 5dB 8kHz + 4 / ? 4dB (NORMAL) 63Hz + 3 / ? 5dB 10kHz + 4 / ? 4dB (CrO2) Test tape :TTA ? 100 TTA ? 200 TTA ? 320(NORMAL) TTA ? 310(CrO2) 1.Tape Speed Adjustment Settings :? Test tape

30、:TTA ? 100 (Tape center) ? Test point :Phones Jack (J101) ? Adjustment location : SFR301 ? Dolby :OFF ? MSP :CLASSIC ? DSL :OFF ? Tape selector :NORMAL(AUTO) ? Volume :MAX Method :Play back (FWD) the test tape and adjust SFR301 so that the frequency becomes 3015Hz 10Hz. Then confirm WOW is less than

31、 0.50%. 2.Dolby Level Adjustment Setting :? Test tape :TTA ? 200 ? Test point :TP1(RCH),TP2(LCH) ? DSL :OFF ? Tape selector :NORMAL ? Dolby SW :OFF ? Volume :MIN ? Adjustment points : Soldered patterns ? Procedure : Short the patterns via solder as showen in the table so the Dolby NR level is 24.5mV

32、 1.0dB. Adjust so the specifications are satisfied in both the forward and reverse directions. Connect 10mF /16V coupling capacitors between test points and test equipment (connect the positive terminals to the test points). SOLDER PATTERN ? STANDARD : 24.5 1.0dB 14 Lch Rch SOLDER POINT INCRESE LEVE

33、L 3 2 1 4 only+1dB and only 12 only only 3and4 +1.5dB +2.5dB +1dB +1.5dB +2.5dB 14 SFR 301 MAIN C.BA PHONES J101 1 1 VR101 VOLUME TP1 (R-CH) (L-CH) TP2 IC701 1 2 GND IC301 2 22 3 4 2 MECHANICAL EXPLODED VIEW 1/1 1 2 HS-PX797 (FileName:EXPRODED.EPS) 99/7/2 K K C A B K J B J H E G F F G I M L M K 32 S

34、PACER PWB 8 9 31 12 3 4 5 7 6 30 29 28 10 6ZM-2 P11NF 11 13 14 15 16 17 20 19 12 27 25 24 23 21 22 18 P.C.B 26 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO. MECHANICAL PARTS LIST 1/1 1 3 Basic colorColorBasic colorColorBasic colorColor symbolsymbolsymbol BBlackCCreamDOra

35、nge GGreenHGrayLBlue LTTransparent BlueNGoldPPink RRedSSilverSTTitan Silver TBrownVVioletWWhite WTTransparent WhiteYYellowYTTransparent Yellow LMMetallic BlueLLLight BlueGTTransparent Green LDDark BlueDTTransparent Orange COLOR NAME TABLE 1 8Z-HK3-002-010LID ASSY,CASS 2 8Z-HK5-216-010SPR-P,POP-UP 3

36、8Z-HK5-214-010HLDR ASSY,CASS MOT 4 88-HK5-208-010ARM,SLIDE 5 8Z-HK5-213-010HLDR,CASS JACK 6 8Z-HK5-021-010WINDOW,CASS SMK 7 8Z-HK5-012-010KNOB,SL BS 8 8Z-HRB-207-010SPR-P,CASS 9 8Z-HK3-004-010FRAME,CENTER 10 8Z-HK5-202-010PLATE,HINGE MOT 11 88-HK5-220-010SPR-P,MECHA EARTH 12 8Z-HK3-008-010LID,BATT G

37、LD 13 8Z-HK5-206-010BAT-CONTACT,P 14 88-HK5-216-010SHAFT,BAT 15 8Z-HK5-209-010HLDR,CONT B-BOX 16 8Z-HK5-207-010BAT-CONTACT,BOX HEAD 17 8Z-HK3-001-010CABI,REAR 18 8Z-HK5-009-010KNOB,RTRY HOLD 19 8Z-HK5-008-010LENS,LED 20 8Z-HK3-005-010PANEL,CABI BRN 21 8Z-HK5-010-010KNOB,SL OPEN 22 8Z-HK3-006-010KNOB

38、,SL DSL BRN 23 8Z-HK5-210-010HLDR,KNOB OPEN 24 8Z-HK5-221-010SPR-T,CLICK 25 8Z-HK5-222-010JOINT,HOLD 26 8Z-HK5-007-010KEY,CONT 27 8Z-HK5-204-010PLATE,B-BOX 28 8Z-HK5-226-010BAT-CONTACT,M 29 8Z-HK5-224-010SPR-E,OPEN 30 8Z-HK5-203-010PLATE,OPEN 31 8Z-HK5-201-010PLATE,HINGE JACK 32 8Z-HK5-011-010KNOB,S

39、L TP A 87-067-588-010SCREW,V+1.4-1.4 B 87-HK5-240-010S-SCREW,1.4-1 CR NL C 87-HK5-237-010S-SCREW,1.4-2 CR NL D 87-078-116-010SCRW M1.4-2.5B NL E 88-HK5-228-010S-SCREW,+1.4-2 CR F 87-067-746-010SCREW,M 1.4-2(H0.5) G 87-078-052-010S-SCREW+1.4-3.5HL(B) H 8Z-HK5-227-010S-SCREW,+1.7-3.5 BLK HL I 87-078-0

40、79-010V+1.4-4.7CRN J 87-HK5-235-010S-SCREW,1.4-0.6-2.5 K 87-067-385-010SCREW,VT +1.4-2.5HL L 87-067-597-010VT1.4-25HL M 87-HK5-236-010S-SCREW,1.4-2.3 TAPE MECHANISM EXPLODED VIEW 1/1 1 4 2 3 4 5 6 6 1 7 8 9 10 11 43 41 42 20 21 22 25 26 22 23 44 18 39 38 a b c d e a b c d e f HEAD FLEX C.B 43 32 40

41、SH,1.2-2.9-0.25SL SH,1.2-2.9-0.25SL 13 15 24 27 28 30 31 34 35 36 37 17 17 29 16 F 49 49 19 45 46 47 33 12 f D A 50 50 C B B 20 C G g g 51 14 53 48 HLDR,FP PLATE,THRUST 52 E H 54 54 DESCRIPTIONREF. NO.KANRI NO. PART NO.KANRI NO. REF. NO.DESCRIPTIONPART NO. TAPE MECHANISM PARTS LIST 1/1 1 5 18Z-HK3-9

42、08-010IB,EZ(EDPHCZ) S 18Z-HK3-907-010IB,EZ(EGFSI) S 387-B30-253-010HEADPHONE,HP-M041 488-HK5-952-110BOX,BAT ASSY SIL 58Z-HK3-951-010RC UNIT,RC797 682-HK3-951-010CARRYING,CASE 787-B30-038-010BAT,NB-5G 887-B30-083-010CHARGER,RB-107 E 887-B30-097-010CHARGER,RB-107 K ACCESSORIES / PACKAGE LIST DESCRIPTI

43、ONREF. NO.KANRI NO. PART NO. 1 86-ZM2-255-010SPR-T,PIN BACK L 2 86-ZM2-252-610GUIDE,TAPE 3 86-ZM2-220-210SPR-T,HEAD 4 86-ZM2-219-510LEVER,HEAD 5 86-ZM2-347-010LEVER,MS EJECT 6 86-ZM2-368-110ROLLER ASSY,PINCH L P11 7 86-ZM2-254-010SPR-T,PIN BACK R 8 86-ZM2-370-110SPR-T,PINCH L P11 9 86-ZM2-229-110SPR

44、-T,PINCH R 10 86-ZM2-240-110CAP,REEL 11 86-ZM2-234-110SHAFT,REEL R 12 86-ZM2-251-310SHAFT,GEAR B 13 86-ZM2-201-E10CHAS ASSY,OUT-SERT 14 86-ZM2-349-010SPR-E,EJECT 15 86-ZM2-232-310LEVER,REEL R 16 86-ZM2-268-310SHAFT,PULLEY BELT 2 17 86-ZM2-243-310SPR-C,BT 18 86-ZM2-329-210BELT,P5 19 86-ZM2-209-310GEA

45、R,B 20 86-ZM2-238-710GEAR,FF 21 86-ZM2-245-410SPR-C,SLIP L 22 86-ZM2-237-010GEAR,PLAY 23 86-ZM2-241-310SPR-C,SLIP R 24 86-ZM2-272-010LEVER,SW P 8.4 25 86-ZM2-236-510CAP,SLIP 26 86-ZM2-235-210SHAFT,REEL L 27 86-ZM2-223-310LEVER,PIN UP L 28 86-ZM2-233-310LEVER,REEL L 29 86-ZM2-208-310GEAR,A 30 86-ZM2-

46、217-210SPR-E,CAM L 31 86-ZM2-216-510LEVER,CAM L 32 86-ZM2-276-010PULLEY,COUPLER 33 86-ZM2-212-310SHAFT,FR 34 86-ZM2-214-510LEVER,CAM R 35 86-ZM2-215-210SPR-E,CAM R 36 86-ZM2-222-410LEVER,PIN UP R 37 86-ZM2-218-310LEVER,HEAD UP 38 86-ZM2-205-410FLY-WHL,L 39 86-ZM2-330-010FLY-WHL,R2 40 86-ZM2-284-010S

47、H,AUTO 3 41 86-ZM2-225-310ARM,PINCH L 42 86-ZM2-224-210ARM,PINCH R 43 86-ZM2-283-210CAP,SHAFT 44 86-ZM2-275-310CAP,SLIP R 45 86-ZM2-210-710LEVER,FR 46 86-ZM2-211-210GEAR,FR 47 86-ZM2-213-210SPR-C,FR 48 M8-7ZS-690-000ABL-76 A 49 86-ZM2-221-010CLR,BRG N 50 86-ZM2-239-010FELT, 51 86-ZM2-342-010LEVER AS

48、SY,EJECT 52 86-ZS2-312-010SPR-P,6A-MOT 53 87-ZS6-301-010COIL,FP 7ZS6 54 86-ZM2-206-310SHAFT,CAPSTAN A 86-ZM2-278-010W-P,1.36-4-0.2 SLT B 86-ZM2-319-010W-L,0.95-3-0.35 C 87-067-860-010PW,3-0.95-0.4 D 87-067-516-010PW,3-1.58-0.25,SLIT E 87-067-430-010VT1.4-5 BLK F 86-ZM2-348-010S-SCREW,+1.4-4.6 G 87-261-500-310SCREW V+1.4-1.4 (BK) H 87-067-815-110VT+1.4-3(HL) 2?11, IKENOHATA 1?CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 L Printed in Singapore A4 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9630469 931261