Aiwa-FXLM918-cd-sm 电路图 维修手册.pdf

《Aiwa-FXLM918-cd-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Aiwa-FXLM918-cd-sm 电路图 维修手册.pdf（17页珍藏版）》请在收音机爱好者资料库上搜索。

1、SERVICE MANUAL DATA STEREO CASSETTE DECK BASIC TAPE MECHANISM : AZM-1 A3NM FX-LM918Y S/M Code No. 09-015-444-7R1 REVISION This Service Manual is the Revision Publishing and replaces Simple Manual FX-LM918 (Y), (S/M Code No. 09-014-444-7T1). RadioFans.CN 收音机爱 好者资料库 2 Track format4 tracks, 2 channels

2、stereo Frequency responseCrO2 tape : 50 Hz - 16000 Hz Normal tape : 50 Hz - 15000 Hz Signal-to-noise ratio60 dB (CrO2 tape peak level) Recording systemAC bias HeadsRecording / playback x 1, erase x 1 Dimensions (W x H x D)210 x 82.5 x 238 mm Weight1.5 kg SPECIFICATIONS Design and specifications are

3、subject to change without notice. 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 87-020-454-010 IC,DN6851 87-070-289-040 IC,BU2092F 87-001-982-010 IC,TA7291S 87-A20-783-040 C-IC,BA7762AFS TRANSISTOR 87-A30-073-080 C-

4、TR,RT1N 141C 87-A30-240-080 TR,CSA1585BC 87-A30-083-080 TR,CSD1489B 87-A30-087-080 C-FET,2SK2158 87-A30-105-080 C-TR,RT1P 441C 87-026-610-080 TR,KTC3198GR 87-A30-075-080 C-TR,2SA1235F 87-A30-076-080 C-TR,2SC3052F DIODE 87-020-465-080 DIODE,1SS133 87-A40-269-080 C-DIODE,MC2836 MAIN C.B C701 87-010-75

5、9-080 C-CAP,U, 0.1-25F C702 87-016-044-040 CAP,E 100-16 GAS C703 87-010-140-080 CAP,E 47-16 M BP EB C731 87-010-759-080 C-CAP,U, 0.1-25F C732 87-012-199-080 C-CAP,U 220P-50 J CH C733 87-012-199-080 C-CAP,U 220P-50 J CH C734 87-012-199-080 C-CAP,U 220P-50 J CH C736 87-010-757-080 C-CAP,U, 0.047-25 Z

6、F C746 87-010-759-080 C-CAP,U, 0.1-25 Z F C761 87-A12-067-080 CAP,E 330-16 SMG C762 87-016-251-080 CAP,E 220-16 M SMG C803 87-012-268-080 C-CAP,U 330P-50 B C804 87-012-268-080 C-CAP,U 330P-50 B C807 87-010-759-080 C-CAP,U, 0.1-25F C811 87-010-787-080 CAP, U 0.022-25 C812 87-010-787-080 CAP, U 0.022-

7、25 C815 87-012-277-080 CHIP CAP,U 1800P-50 K B C816 87-012-277-080 CHIP CAP,U 1800P-50 K B C821 87-A10-828-080 C-CAP,U 0.33-6.3 K B C822 87-A10-828-080 C-CAP,U 0.33-6.3 K B C824 87-010-553-040 CAP,E 47-16 M 5L SRE C825 87-A10-759-040 CAP,E 330-6.3 SRM C827 87-010-491-040 CAP,E 0.22-50 M 5L SRE C828

8、87-010-491-040 CAP,E 0.22-50 M 5L SRE C832 87-010-759-080 C-CAP,U, 0.1-25F C835 87-010-494-040 CAP,E 1-50 M 5L SRE C836 87-010-494-040 CAP,E 1-50 M 5L SRE C837 87-010-759-080 C-CAP,U, 0.1-25F C839 87-010-759-080 C-CAP,U, 0.1-25F C840 87-010-759-080 C-CAP,U, 0.1-25F C847 87-012-337-080 C-CAP,U 56P-50

9、 CH C848 87-012-337-080 C-CAP,U 56P-50 CH C851 87-012-270-080 C-CAP,U 470P-50 K B C852 87-012-270-080 C-CAP,U 470P-50 K B C854 87-012-271-080 C-CAP,U 560P-50 K B C855 87-012-274-080 CHIP CAP,U 1000P-50B C856 87-010-553-040 CAP,E 47-16 M 5L SRE C857 87-012-286-080 CAP, U 0.01-25 K B C858 87-012-279-0

10、80 C-CAP,U 2700P-50 B C859 87-012-279-080 C-CAP,U 2700P-50 B C860 87-012-279-080 C-CAP,U 2700P-50 B C870 87-010-759-080 C-CAP,U, 0.1-25F C873 87-A10-781-080 C-CAP,U 0.15-10 K B C874 87-A10-781-080 C-CAP,U 0.15-10 K B C880 87-012-267-080 C-CAP,U 270P-50 B C881 87-012-286-080 CAP, U 0.01-25 C882 87-01

11、2-176-080 C-CAP,U 15P-50 J C883 87-012-286-080 CAP, U 0.01-25 C884 87-010-495-040 CAP,E 2.2-50 M 5L SRE C886 87-010-759-080 C-CAP,U, 0.1-25F C888 87-012-199-080 C-CAP,U 220P-50 J CH C890 87-A12-067-080 CAP,E 330-16 SMG CN701 87-A61-039-010 CONN,19P V WHT 52328 CN702 87-A60-620-010 CONN,3P V 2MM JMT

12、CN752 87-A60-062-010 CONN,05P V 9604S-05C CN851 87-A60-625-010 CONN,8P V 2MM JMT CNA701 8B-CW1-620-010 WIRE,ASSY,19P V BK CNA751 88-805-091-420 CONN ASSY,9P FC752 88-905-081-110 FF-CABLE,5P 1.25 L801 87-A50-049-010 COIL,TRAP 85K(COI) L802 87-A50-049-010 COIL,TRAP 85K(COI) L851 87-007-342-010 COIL,OS

13、C 85KHZ BIAS SFR851 87-024-437-080 SFR,100K H RH063MC SFR852 87-024-437-080 SFR,100K H RH063MC KEY C.B CNA702 88-805-031-690 CONN ASSY,3P 160MM CNA703 88-805-020-790 CONN ASSY,2P 70MM CNA704 88-805-020-790 CONN ASSY,2P 70MM S702 87-A91-024-180 SW,TACT KSHG611BT S703 87-A91-024-180 SW,TACT KSHG611BT

14、S704 87-A91-024-180 SW,TACT KSHG611BT S705 87-A91-024-180 SW,TACT KSHG611BT S706 87-A91-024-180 SW,TACT KSHG611BT S707 87-A91-024-180 SW,TACT KSHG611BT S708 87-A91-024-180 SW,TACT KSHG611BT S709 87-A91-024-180 SW,TACT KSHG611BT S710 87-A91-024-180 SW,TACT KSHG611BT LED-L C.B C740 87-012-286-080 C-CA

15、P,U 0.01-25 K B CN704 87-A60-619-010 CONN,2P V 2MM JMT D702 87-A40-678-010 LED,SELU1E10CXM BLUE-DEF LED-R C.B C739 87-012-286-080 C-CAP,U 0.01-25 K B CN703 87-A60-619-010 CONN,2P V 2MM JMT D701 87-A40-678-010 LED,SELU1E10CXM BLUE-DEF DECK C.B CON1 87-009-352-010 CONN,9P H WHT PH M1 87-A90-343-010 MO

16、T,SHU2R 70 SFR1 87-024-581-010 SFR,3.3K H KVSF637A SOL2 82-ZM3-628-010 SOL ASSY,23 SO SW2 87-A90-248-010 SW,MICRO ESE11SH2CXQ SW3 87-A90-248-010 SW,MICRO ESE11SH2CXQ SW4 87-A90-248-010 SW,MICRO ESE11SH2CXQ SW5 87-A90-248-010 SW,MICRO ESE11SH2CXQ SW6 87-A90-248-010 SW,MICRO ESE11SH2CXQ W1 86-ZM4-601-

17、110 RBN-CORD,4P-300MM HEAD C.B 85-ZM3-601-210 PWB,FLEX I CNA851 8B-CW1-624-010 CONN ASSY,8P 250MM DRIVE C.B CN1 86-NFZ-675-010 CONN,5P H 6216-11H M1 87-045-305-010 MOT,RF-500TB S2 87-A91-662-010 SW,PUSH 1-1-1 MPU11244MLB0 W2 8Z-ZG4-614-010 F-CABLE,2P 130MM LED RadioFans.CN 收音机爱 好者资料库 4 DESCRIPTIONRE

18、F. NO.PART NO.KANRI NO. 8 8 A Resistor Code Chip Resistor Part Coding Figure Value of resistor 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) Symbo

19、l 1/16W10055%CJ1.00.50.35104 L t W TRANSISTOR ILLUSTRATION E C B CSA1585BC KTC3198GR E C B CSD1489B2SA1235F 2SC3052F RT1N141C RT1P441C B C E 2SK2158 G D S FRAME C.B S1 87-A90-948-010 SW,LVR 2-1-2 MPU11263MLB0 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 6 SCHEMATIC DIAGRAM (MAIN / KEY / LED L / L

20、ED R / DECK / HEAD / DRIVE / FRAME) ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 8 IC BLOCK DIAGRAM 9 ELECTRICAL ADJUSTMENT SFR1 EDECK C.B AMAIN C.B 13 6 RPH FWDRVS SFR851 Prepare the following before adjusting the deck. Preparation Measuring Device: Audio Signal Generator / Attenuator / Wow & Fl

21、utter Meter (Frequency Counter) / Oscilloscope / Millivolmeter / Dummy Load (6). 1) Connect the set (FX, MX, TX) to the measuring device as shown in the following diagram. 2) Output 1V(1kHz) from the generator and adjust the attenuator until AUX IN becomes 0.5V. 3) Set AUX for FUNCTION and adjust th

22、e volume of the MX part until the millivoltmeter value becomes 2V. * Switch off all the T-BASS, BBE, EQ, Q-SURROUND. AUDIO SIGNAL GENERATOR OUTPUT INPUT (1KHz, 1V) ATTENUATOR OUTPUT (0.5V) Hz INPUT % FX TX MX AUX(L) AUX(R) HP OUT SPOUT(L) SPOUT(R) DUMMY LOAD AC MILLIVOLTMETER OSCILLOSCOPE OUTPUT CH1

23、 6 CH2 CH1CH2 WOW & FLUTTER METER SFR1 SFR852 SFR851 (1kHz, 1V) 10 1. Adjusting Tape Speed Requirements Test Tape: TTA-100 (3kHz) Test Point: HP OUT Adjustment Point: SFR 1 1) Insert the test tape (TTA-100), FWD play back the centre of the tape and adjust the SFR1 until it becomes 3,000Hz10Hz. 2) RV

24、S playback and check that 45Hz is added according to the FWD speed. 2. Checking WOW & FLUTTER Requirements Same as number 1. 1) Set the indicator to JIS and the mode to W RMS (WTD) of the WOW & FLUTTER. 2) Playback the centre of the test tape (TTA-100) and check that it is below 0.15%. 3. Adjusting

25、Head Azimuth Requirements Test Tape: TTA-300 (10kHz) Test Point: SP OUT (Lch/Rch) Adjustment Point: Head Azimuth Screws 1) Set the V mode of the oscilloscope to ADD. 2) Insert the test tape (TTA-300), FWD playback the centre of the tape and adjust, using the head azimuth screws until the waveform of

26、 the oscilloscope has reached the maximum when playing back at 10khz. 3) Reverse the tape, RVS playback and adjust, using the head azimuth screws until the waveform of the oscilloscope has reached the maximum. 4) After the adjustment, bond lock (1600B) the screws. 4. Checking Playback Frequency Repo

27、nse Requirements Test Tape: TTA-300 (315Hz/10kHz) Test Point: SP OUT (Lch/Rch) 1) Insert the test tape (TTA-300) and playback 315Hz and 10kHz. 2) Use the 315Hz output level as a standard, check that the 10kHz level is within 3dB. 5. Checking Playback Sensitivity Requirements Test Tape: TTA-200 (400H

28、z) Test Point: SP OUT (Lch / Rch) 1) Insert the tape (TTA-200) and playback. 2) Check that the output level is within 2.8V3dB. 6. Adjusting the REC / PB Frequency Response Requirements Test Tape: TTA-602 Test Point: SP OUT (Lch / Rch) Input Point: AUX (1kHz / 10kHz) Adjustment Point: SFR851 (Lch), S

29、FR852 (Rch) 1) Attenuate the output of the attenuator by 20dB to prepare for No.3 2) Insert the test tape (TTA-602) and record 1kHz and 10kHz alternately from AUX. 3) Playback the tape, adjust SFR851 (Lch) / SFR852 (Rch) until the playback output level of 10kHz is within 0.5dB according to the stand

30、ard when the playback output level of 1kHz is used as the standard. 11 MECHANICAL EXPLODED VIEW 1 / 1 a a CHAS,MAIN AZM-1 A3NM PWB PWB PWB PWB A A A B C C C C C E E E F F D D G 1 2 3 4 5 6 7 8 7 9 11 WIRE ASSY 17 12 13 10 14 15 E16 12 DESCRIPTIONREF. NO.KANRI NO. PART NO. MECHANICAL PARTS LIST 1 / 1

31、 1 8B-CW1-001-010 CABI,FR TAPE 2 8B-CW1-004-010 KEY,PLAY TAPE 3 8B-CE1-018-010 REFLECTOR,FR 4 8B-CE1-208-010 GUIDE,LED CNT 5 8Z-CE3-203-010 GUIDE,LED L 6 8Z-CE3-204-010 GUIDE,LED R 7 8B-CE1-016-010 FOOT,DIA40 H4 8 8B-CF1-006-010 PANEL,SIDE R 9 8B-CF1-005-010 PANEL,SIDE L 10 8B-CW1-005-010 PANEL,REAR

32、 TAPE 11 8B-CE1-212-010 PLATE,TOP A 12 88-905-081-110 FF-CABLE, 5P 1.25 13 8Z-CC3-007-010 BADGE,AIWA 27.5 ABS SIL 14 8B-CW1-006-010 PANEL ASSY,TRAY TAPE 15 8B-CF1-205-010 PLATE,TOP 16 8B-CF1-011-010 PANEL,TOP 17 8B-CE1-213-010 PLATE,TOP B A 87-721-096-410 QT2+3-10 GLD B 87-B10-294-010 BVT2+2.6-8 C 8

33、7-067-703-010 TAPPING SCREW, BVT2+3-10 D 87-067-579-010 TAPPING SCREW, BVT2+3-8 E 87-067-761-010 BVT2+3-10 BLK F 87-067-684-010 BVT2+2.6 W/O SLOT G 87-067-130-010 W-F,3.2-8-1 W/ADH Basic color symbolColorBasic color symbolColorBasic color symbolColor BBlackCCreamDOrange GGreenHGrayLBlue LTTransparen

34、t BlueNGoldPPink RRedSSilverSTTitan Silver TBrownVVioletWWhite WTTransparent WhiteYYellowYTTransparent Yellow LMMetallic BlueLLLight BlueGTTransparent Green LDDark BlueDTTransparent OrangeGMMetallic Green YMMetallic YellowDMMetallic OrangePTTransparent Pink LAAqua BlueGLLight GreenHTTransparent Gray

35、 COLOR NAME TABLE 13 TAPE MECHANISM EXPLODED VIEW 1 / 2 AZM-1 A1,A2 (FileName:MECH.EPS) 12/8/30 3 4 5 C 1 C 2 7 8 10 11 12 16 13 14 15 D PWB B E 19 17 6ZM-4 A A 18 9 E 6 SHLD-PLATE,MOTOR SH,40-10-0.4 14 TAPE MECHANISM PARTS LIST 1 / 2 DESCRIPTIONREF. NO.KANRI NO. PART NO. 1 8A-ZM1-214-010 PLATE,F ST

36、OPPER 2 8A-ZM1-223-010 SPR-T,LOCK F 3 8A-ZM1-209-010 GEAR,SLIDE B 4 8A-ZM1-203-410 FRAME,MAIN 5 8A-ZM1-215-210 LEVER ASSY,SLIDE L 6 8A-ZM1-217-010 LEVER ASSY,SLIDE R 7 8A-ZM1-212-010 LEVER,LOCK F 8 8A-ZM1-208-110 GEAR,SLIDE A 9 8A-ZM1-230-210 BELT,BASE 10 8A-ZM1-220-010 SPR-E,CLAMP 11 8A-ZM1-216-310

37、 PLATE ASSY,CLAMP 12 8A-ZM1-204-110 TRAY,CASSETTE 13 87-045-305-010 MOTOR, RF-500TB DC-5V (2MA) 14 86-ZL1-210-010 PULLEY,MOT 15 8Z-ZG4-614-010 F-CABLE,2P 130MM LED 16 8A-ZM1-202-110 BASE, 17 86-ZL1-214-010 SPR-P,CASS 18 8A-ZM1-207-110 GEAR,FRAME 19 8A-ZM1-213-110 GEAR,PULLEY A 87-067-660-010 TAPPING

38、 SCREW, BVT2+3-8 B 88-ZG5-302-010 S-SCREW,8ZG5+2-4 W/O C 88-ZG5-317-010 S-SCREW,8ZG5S+2-4 W/O D 87-251-072-410 U+2.6-5 E 8A-ZM1-240-010 S-SCREW,GEAR F/P 15 TAPE MECHANISM EXPLODED VIEW 2 / 2 D H G E F D C 49 50 51 20 HLDR,MOT L CUSH-G B B 21 A J 22 23 24 25 16 17 19 18 26 a a 47 48 PLATE,SHLD DECK 4

39、4 43 45 42 41 40 39 38 37 35 34 33 32 36 31 3029 27 28 46 54 13 3 2 1 4 5 6 53 7 8 8 10 9 11 12 9 15 14 b b I 52 DECK C.B HEAD C.B SHLD-PLATE,MOTOR SH,40-1-0.4 16 TAPE MECHANISM PARTS LIST 2 / 2 DESCRIPTIONREF. NO.KANRI NO. PART NO.DESCRIPTIONREF. NO.KANRI NO. PART NO. 1 82-ZM1-358-010 CHAS ASSY,FPC

40、 2 82-ZM1-258-210 SPR-T,PINCH L 3 82-ZM1-363-010 LEVER,ASSY PINCH LD 4 82-ZM1-266-310 LVR,DIR 5 82-ZM1-214-010 SPR-T,DIR 6 82-ZM1-333-210 PLATE,LINK2 7 86-ZM1-203-010 CAP,REEL 8 86-ZM1-221-010 SPR-C,BT 2L 9 82-ZM1-240-110 LVR,REC(*) 10 82-ZM1-241-310 LVR,MC 11 82-ZM1-242-010 LVR,CAS 12 82-ZM1-243-01

41、0 LVR,STOP 13 82-ZM3-339-110 SHAFT,COUPLER N3 14 82-ZM1-222-310 LVR,PLAY(*) 15 82-ZM1-223-010 GEAR,PLAY 16 82-ZM3-353-010 SPR-T,HEAD 2 17 82-ZM1-210-110 GEAR,H T 18 82-ZM1-269-210 SPR-T,BRG 19 82-ZM1-219-110 SPR-T,LINK 20 86-ZM1-217-110 BELT,MOT 21 82-ZM1-314-110 PLATE,HEAD 22 87-A90-367-110 HEAD,RP

42、H YK56R-BF414 FPC 23 82-ZM1-208-310 HLDR,HEAD 24 82-ZM1-207-910 GUIDE,TAPE 25 82-ZM1-218-010 SPR-E,HB 26 82-ZM1-206-910 CHAS,HEAD 27 82-ZM1-362-010 LEVER,ASSY PINCH RD 28 82-ZM1-259-210 SPR-T,PINCH R 29 82-ZM3-628-010 SOL ASSY,23 SO 30 82-ZM1-322-010 SPR-T,FR 60 31 82-ZM1-220-210 GEAR,IDLER 32 82-ZM

43、3-616-010 RING MAGNET 4 33 86-ZM1-219-010 CLR,REEL SLIP 34 86-ZM1-220-010 FELT,DIA 5.3-14-0.8 35 82-ZM1-216-510 GEAR,REEL 36 82-ZM1-224-410 LVR,FR 37 82-ZM3-333-310 SLIP DISK ASSY 2 38 82-ZM1-338-110 BELT,FR 4 39 82-ZM1-305-210 SPR-E,TRIG 2 40 82-ZM1-227-310 LVR,TRIG 41 82-ZM1-225-210 GEAR,FR 42 82-

44、ZM1-226-010 GEAR,REW 43 86-ZM4-214-010 FLY-WHL ASSY,R4W 44 86-ZM4-215-010 FLY-WHL ASSY,L4W 45 82-ZM1-221-310 GEAR,CAM(*) 46 82-ZM1-255-310 SPR-E,LVR DIR 47 82-ZM3-335-310 PULLEY,COUPLER M3 48 86-ZM1-206-010 BELT,MAIN L 49 87-A90-343-010 MOT,SHU2R 70 50 82-ZM3-221-210 PULLEY,MOT 2M 51 86-ZM4-601-110

45、RBN-CORD,4P 300MM 52 8B-CW1-624-010 CONN ASSY,8P 250MM 53 86-ZM1-202-010 SHAFT,REEL 54 82-ZM1-288-010 SH,1.63-3.2-0.5 SLT A 85-ZM3-202-010 S-SCREW,TG B 80-ZM6-207-010 V+1.6-7 C 82-ZM3-318-110 S-SCREW W,MOTOR M2 D 87-067-178-010 VTT+2.6-3 E 87-B10-008-010 W-P,2.08-8-0.4-SLIP F 82-ZM3-334-010 PW 2.16-6-0.4 G 82-ZM3-222-010 S-SCREW,SHILD PLATE H 87-B10-043-010 W-P,0.99-4-0.25 SLT I 80-ZM6-243-010 SH 1.75-3.6-0.5 SLT J 86-ZM4-206-110 S-SCREW,AZIMUTH L 211, IKENOHATA 1CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore9301978 2000041 921338