Aiwa-HS-EM50-Service-Manual 电路图 维修手册.pdf

《Aiwa-HS-EM50-Service-Manual 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Aiwa-HS-EM50-Service-Manual 电路图 维修手册.pdf（11页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL DATA STEREO CASSETTE PLAYER HS-EM50Y S/M Code No. 09-009-427-3N1 This Service Manual is for HS-EM50 (Y1SC) Silver color and HS-EM50 (Y1LMC) Metallic Blue color. BASIC TAPE MECHANISM : 4ZM-2 P3NC2 RadioFans.CN 收音机爱 好者资料库 SPECIFICATIONS ACCESSORIES / PACKAGE LIST 1 8A-HK9-908-010IB,Y(EG

2、FSI)C EM50 1 8A-HK9-909-010IB,Y(EDPOHCZ)C EM50 2 84-447-019-310CLIP,BELT 3 87-B30-155-210HEADPHONE,HP-M006 BL(T) 3 87-B30-401-010HEADPHONE,HP-M006 (K2) Maximum output:4 mW + 4 mW (EIAJ 16 ohm) Power source:DC 3 V using two R6 (size AA) batteries Maximum dimensions: 116.4 (W) x 92 (H) x 34.9 (D) mm (

3、45/8 x 35/8 x 13/8 in.) Weight:Approx. 114.2 g (4 oz) (excluding batteries) DESCRIPTIONREF. NO.KANRI NO. PART NO. Design and specifications are subject to change without notice. Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D s

4、ymbol are trademarks of Dolby Laboratories Licensing Corporation. - 2 - RadioFans.CN 收音机爱 好者资料库 3 ELECTRICAL MAIN PARTS LIST DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. IC 87-A21-638-040 IC,MM1336CF 87-017-805-080 IC,AN7375NS(OP AMP) TRANSISTOR 87-026-264-080 C-TR,RN14

5、11 DIODE 87-020-027-080 C-DIODE, 1SS184 MAIN C.B C1 87-010-179-080 CAP,CHIP S 1200P-50 C2 87-010-179-080 CAP,CHIP S 1200P-50 C3 87-010-178-080 CHIP CAP 1000P C4 87-010-178-080 CHIP CAP 1000P C5 87-015-676-040 CAP,E 47-6.3 C6 87-015-676-040 CAP,E 47-6.3 C7 87-015-676-040 CAP,E 47-6.3 C8 87-010-196-08

6、0 CHIP CAPACITOR,0.1-25 C9 87-010-213-080 C-CAP,S 0.015-25 B C10 87-010-213-080 C-CAP,S 0.015-25 B C11 87-010-805-080 C-CAP,S 1-16 F C12 87-010-194-080 CAP, CHIP 0.047 C13 87-015-681-040 E/CAP 10-16 C14 87-010-196-080 CHIP CAPACITOR,0.1-25 C15 87-010-805-080 C-CAP,S 1-16 F C16 87-010-805-080 C-CAP,S

7、 1-16 F C17 87-010-180-080 C-CER 1500P C18 87-010-180-080 C-CER 1500P C20 87-A10-489-040 CAP,E 220-4 7L SR C21 87-A10-489-040 CAP,E 220-4 7L SR C22 87-010-805-080 C-CAP,S 1-16 F C23 87-010-197-080 CAP, CHIP 0.01-25 K B C24 87-010-197-080 CAP, CHIP 0.01-25 K B C25 87-010-805-080 C-CAP,S 1-16 F C26 87

8、-010-805-080 C-CAP,S 1-16 F C51 87-010-178-080 CHIP CAP 1000P C52 87-010-196-080 CHIP CAPACITOR,0.1-25 C53 87-010-805-080 C-CAP,S 1-16 F C54 87-A10-489-040 CAP,E 220-4 7L SR C351 87-016-087-080 C-CAP,S 0.47-16 F Z C352 87-016-087-080 C-CAP,S 0.47-16 F Z C353 87-010-196-080 CHIP CAPACITOR,0.1-25 C354

9、 87-010-196-080 CHIP CAPACITOR,0.1-25 C355 87-010-186-080 CAP,CHIP 4700P C356 87-010-186-080 CAP,CHIP 4700P C357 87-010-193-080 CHIP CAPACITOR,0.033 C358 87-010-193-080 CHIP CAPACITOR,0.033 C359 87-010-186-080 CAP,CHIP 4700P C360 87-010-186-080 CAP,CHIP 4700P C361 87-010-805-080 C-CAP,S 1-16 Z F C36

10、2 87-010-805-080 C-CAP,S 1-16 Z F C363 87-010-805-080 C-CAP,S 1-16 Z F C364 87-010-805-080 C-CAP,S 1-16 Z F C365 87-015-676-040 E/CAP 47/6.3 C367 87-010-188-080 CAP,CHIP 6800P C368 87-010-188-080 CAP,CHIP 6800P J1 85-HRL-623-010 JACK,3.5 ST BLK R54 87-022-657-080 RES,0.68-1/8W G 4300 PPM SFR1 87-A90

11、-789-080 C-SFR,470 RH03AXA12X SFR2 87-A90-789-080 C-SFR,470 RH03AXA12X SFR51 87-024-197-010 SFR,1K H VZ066L3 SW1 87-A90-133-110 SW,LEAF LSA1120JAU SW2 87-A90-917-010 C-SW,SL 1-1-2 SS-350 TH51 87-026-256-090 THERMISTOR, HT-100 VR1 87-A91-724-010 VR,RTRY 20KAX2 FRONT C.B C401 87-016-083-080 C-CAP,S 0.

12、15-16 KR C402 87-016-083-080 C-CAP,S 0.15-16 KR C403 87-010-805-080 C-CAP,S 1-16 ZF SW351 87-036-304-080 C-SW,SL 1-1-2 SS-350 SW401 87-A90-330-080 C-SW,SL 1-1-2 SSSS81 T1.4 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resistor Chip resistor WattageTypeTolerance 1/16W 1/10W 1/8W 1608

13、 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 RadioFans.CN 收音机爱 好者资料库 4 TRANSISTOR ILLUSTRATION E B C RN1411 WIRING 5 101112131415161718192021222324 A B C D E F G

14、 H I J K L M N O P Q R S T U 1234567892526272829303132 6 SCHEMATIC DIAGRAM 7 ADJUSTMENT MAIN C.BA PHONES J11 VR1 VOLUME SFR 51 1 P HEAD FWD3 2 2 SFR 1 42 TP2 (L-CH) (R-CH) TP1 A C B SFR 2 Note : * : On the other soldering pattern side. * * * * 1.Tape Speed Adjustment Settings : Test tape :TTA 100 (T

15、ape center) Test point :Phones Jack (J1) Adjustment location :SFR51 Tape selector :NORM Volume :Non clip (MAX 10 dB down) Method :Play back the test tape and adjust SFR51 so that the frequency becomes 3000 Hz 10 Hz. Then confirm WOW is less than 0.52%. 2.Dolby Level Adjustment Settings : Test tape :

16、TTA 200 Test point :TP1 (L CH) TP2 (R CH) Adjustment location :SFR1 (LCH) SFR2 (RCH) Dolby NR :OFF Tape selector :NORM Method :Play back (FWD) the test tape and adjust SFRs so that the test point becomes 100 mV 1 dB. 3.Head Azimuth Adjustment Setting : Test tape :TTA 330 / TTA 420 Volume :MAX Tape s

17、elector :NORM Adjustment location :Head azimuth adjustment screw Method :Play back (FWD) the test tape and adjust screw so that the 8 kHz signal output is maximum. 4.GOVERNER Check Perform the STOP PLAY and REVERSE operations (or PAUSE ON OFF) after the motor is replaced. When the tape starts runnin

18、g smooth, this adjustment is not necessary. If wow is conspicuous at the beginning of the tape-run, perform this adjustment following the procedures below. 1) Solder resistor pattern (A) of the MOTOR AND GOVERNOR MATCHING ADJ. resistor group. 2) Set the tape speed (using speed adjustment SFR51). 3)

19、Restrict the motor rotation by hand (or turn PAUSE ON). 4) Remove your hand and listen to the beginning of the tape-run. 5) When the rise of tape running is smooth, no more adjustment is necessary. If wow continues for 1 to 2 seconds at the rise time, change the combined resistance according to proc

20、edure 6 and check that the tape starts running smooth. 6) Solder the resistor pattern according to the table below (NOTE : = 2.2 ohm, = 8.2 ohm, = 10 ohm) 7)Finally re-check the tape speed. Caution : Cool the patterns down to normal tempera- ture after soldering. If the pattern remains heated, the g

21、orvernor circuit does not operate normally. ACB Open Open Open SolderOpen Solder Pattern Step (1) Medium resistance Low resistance High resistance Open OpenOpen ACB Step (2) Step (3) Step (4) Step (5) Step (6) Step (7) Open Solder Solder OpenOpen OpenSolder SolderSolder SolderSolderOpen Step (8)Sold

22、erSolderSolder 8 MECHANICAL EXPLODED VIEW 1 / 1MECHANICAL PARTS LIST 1 / 1 18A-HGA-005-010KNOB,SL DOLBY 28A-HK9-002-110PANEL,CASS 38A-HK9-003-010PLATE,IND SBASS 48A-HGA-006-010PLATE,IND DOLBY 586-HRM-205-010SPR-T,CLICK 68A-HK9-017-010LID,CASS EM50 68A-HK9-018-010LID,CASS EM50 MBLU 78A-HRL-202-010SPR

23、-P,CASS 887-HRR-206-010PLATE,HEAD J034N 888-HKB-205-010PLATE,HEAD V10 988-HRJ-038-010FRAME,CENTER J034N 988-HKA-027-010FRAME,CENTER V10 1086-HKA-202-010BAT-CONTACT,(+) 118Z-HG8-202-010HLDR,DC JACK 128Z-HG8-203-010BAT,CONTACT(-) 1388-HG8-025-010LID,BATT J-224B 138Z-HG8-018-010LID,BATT J049N 148A-HK9-

24、007-010CABI,REAR YZ 148A-HK9-008-010CABI,REAR YZ MBLU 158Z-HGA-017-010KNOB,SL DOLBY J224B 158Z-HGA-013-010KNOB,SL DOLBY J049N A87-264-525-310SCREW, V+1.7-2.5 B87-067-732-010TAPPING SCREW, VT1.4-3 C87-067-691-010SCREW VT+1.7-6 D87-067-384-010SCREWVT1.4-3.5HL DESCRIPTIONREF. NO. KANRI NO. PART NO. COL

25、OR NAME TABLE Basic color symbolColorBasic color symbolColorBasic color symbolColor BBlackCCreamDOrange GGreenHGrayLBlue LTTransparent BlueNGoldPPink RRedSSilverSTTitan Silver TBrownVVioletWWhite WTTransparent WhiteYYellowYTTransparent Yellow LMMetallic BlueLLLight BlueGTTransparent Green LDDark Blu

26、eDTTransparent OrangeGMMetallic Green YMMetallic YellowDMMetallic OrangePTTransparent Pink LAAqua Blue 9 TAPE MECHANISM EXPLODED VIEW 1 / 1 29 1 28 26 27 25 24 23 22 21 20 19 18 16 2 3 4 17 5 6 15 11 10 7 9 8 12 13 14 FRAME,CENTER A 10 DESCRIPTIONREF. NO.KANRI NO. PART NO. TAPE MECHANISM PART LIST 1

27、 / 1 1 84-ZM2-012-010 LEVER,PLAY G 2 84-ZM2-211-01K GEAR,CONNECT 3 84-ZM2-222-010 SPR-T,PLAY 4 84-ZM2-015-010 LEVER,STOP G 5 84-ZM2-014-010 LEVER,REW G 6 84-ZM2-013-010 LEVER,FF G 7 84-ZM2-223-010 SPR-T,REW STOP 8 84-ZM2-232-010 BELT,MAIN 9 09-001-421-010 FLY-WHL,P ASSY 10 87-A90-272-010 HEAD,PH MS2

28、5P ETH 11 84-ZM2-220-01K BRG,P 12 84-ZM2-210-01K GEAR,AUTO 13 84-ZM2-218-01K CAP,GEAR AUTO 14 84-ZM2-208-01K LEVER,SHIFT 15 84-ZM2-224-010 SPR-T,FF LOCK 16 84-ZM2-207-01K LEVER,AUTO 17 84-ZM2-206-01K LEVER,LOCK 18 84-ZM2-219-01K PULLEY,MOTOR 19 87-045-385-010 MOT (BCY3B11) 20 84-ZM2-226-010 SPR-C,CL

29、UTCH 21 84-ZM2-212-01K GEAR,CLUTCH 22 84-ZM2-231-010 FELT,CLUTCH 23 84-ZM2-217-01K SHAFT,REEL 24 84-ZM2-225-010 SPR-T,AUTO FIND 25 84-ZM2-216-01K REEL TABLE,R 26 84-ZM2-215-01K REEL TABLE,L 27 84-ZM2-228-010 SPR-C,BT 28 84-ZM2-233-110 PINCH ROL ASSY 29 84-ZM2-227-010 SPR-C,AZIMUTH A 84-ZM2-242-019 S-SCREW,AZIMUTH-2-5.9 211, IKENOHATA 1CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore2000075 9630472 0251431