Yamaha-KXE100-tape-sm 维修电路原理图.pdf
《Yamaha-KXE100-tape-sm 维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《Yamaha-KXE100-tape-sm 维修电路原理图.pdf(27页珍藏版)》请在收音机爱好者资料库上搜索。
1、COUNTERRESETMODEREC/PAUSEREC LEVELDIRECTIONMINMAXDOLBY NRNATURAL SOUND STEREO CASSETTE DECK KX-E100STANDBY/ONP.O.Box 1, Hamamatsu, JapanSERVICE MANUALSTEREO CASSETTE DECKKX-E100100687I CONTENTSTO SERVICE PERSONNEL . 1SPECIFICATIONS. 1DIMENSIONS . 2INTERNAL VIEW . 2REAR PANELS . 3DISASSEMBLY PROCEDUR
2、ES . 45ADJUSTMENT . 69DISPLAY DATA . 10IC DATA . 1112BLOCK DIAGRAM. 13PRINTED CIRCUIT BOARD . 1421SCHEMATIC DIAGRAM . 22PARTS LIST . 2331IMPORTANT NOTICEThis manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.It has been assumed that basic service procedu
3、res inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users,and have therefore not been restated.WARNING:Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expens
4、ivecomponents, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any service requiredshould be performed by an authorized YAMAHA Retailer or the appointed service representative.IMPORTANT:The presentation or sale of this manual to any ind
5、ividual or firm does not constitute authorization, certification or recognition of any applicabletechnical capabilities, or establish a principle-agent relationship of any form.The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineerin
6、g, and service departments of YAMAHA arecontinually striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation toretrofit. Should any discrepancy appear to exist, please contact the distributors Service Division
7、.WARNING:Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to theground buss in the unit (heavy gauge black wires connect to this buss).IMPORTANT:Turn the unit OFF during disassembly and part replacement. Recheck
8、 all work before you apply power to the unit.KX-E100RadioFans.CN 收音机爱 好者资料库KX-E100WALLOUTLETEQUIPMENTUNDER TESTAC LEAKAGETESTER OREQUIVALENTINSULATINGTABLE1I TO SERVICE PERSONNELCritical Components Information.Components having special characteristics are markedand must be replaced with parts having
9、 specificationsequal to those originally installed.WARNING: CHEMICAL CONTENT NOTICE!The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and /or plastic(where applicable) components may also contain traces of chemicals found by the California Heal
10、th and Welfare Agency(and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-SON WHATSOEVER!Avoid prolonged, unprotected contact between solder and your skin! When solderi
11、ng, do not inhale solder fumes or exposeeyes to solder/flux vapor!If you come in contact with solder or components located inside the enclosure of this product, wash your hands beforehandling food.I SPECIFICATIONSTypeAuto Reverse4-Track 2-Channel Playback/RecordingStereo Cassette DeckHeadsREC/PBHard
12、 permalloyEraseDouble Gap FerriteMotorsMainDC servo motorTray LoadingDC motorWow & FlutterW.PEAK (EIAJ)0.19 %W.RMS0.09 %Fast Winding Timeabout 100 seconds (C-60 tape)Frequency ResponseType I (Normal)30 15,000 Hz 3 dBType II (CrO2)30 16,000 Hz 3 dBType IV (Metal)30 18,000 Hz 3 dBS/N Ratio (S : 3rd ha
13、rmonic distortion 3 %, N : Weighted)NR off58 dBDolby B NR on66 dBDolby C NR on74 dBHarmonic Distortion1.0 %Channel SeparationMore than 40 dBCrosstalk (125 Hz)More than 55 dBInput Sensitivity/ImpedanceLine100 mV/30 kOutput LevelLine570 mV/3.0 kPower RequirementsU, C modelsAC120 V, 60 HzR modelAC110-1
14、20/220-240 V, 50/60 HzA modelAC240 V, 50 HzB, G modelsAC230 V, 50 HzPower Consumption12 W (Standby 3W)Dimensions (W x H x D)217 x 88 x 293 mm(8-9/16 x 3-7/16 x 11-9/16)Weight3.0 kg (6 lbs 10 oz.)AccessoriesInput & Output cords (RCA type) x 2, System cord x 1* Specifications are subject to change wit
15、hout notice.U . U.S.A. modelC . Canadian modelR . General modelA . Australian modelB . British modelG. European modelRadioFans.CN 收音机爱 好者资料库KX-E10012345217(8-9/16)80(3-1/8)8(5/16)88(3-7/16)275(10-13/16)7(1/4)11(7/16)Unit : mm (inch)293(11-9/16)2I INTERNAL VIEW1 MAIN P.C.B. (4)2 Cassette Mechanism Un
16、it3 MAIN P.C.B. (1)4 MAIN P.C.B. (2)5 MAIN P.C.B. (3)I DIMENSIONSKX-E1003I REAR PANELSM U, C modelsM R modelM A modelM B, G modelsKX-E10013435512Cassette Mechanism UnitHookFront PanelHookTop CoverCB201CB2094I DISASSEMBLY PROCEDURESRemove parts in disassembly order as numbered.1. Removal of Top Cover
17、a. Remove 4 screws (1) and 4 screws (2) in Fig. 1.b. Lift the Top Cover at the rear and move it rear-wardslantingly.2. Removal of Front Panela. Disconnect 2 connectors (CB201 and CB209) in Fig. 2.b. Remove 2 screws (3) and 2 screws (4) in Fig. 1.c. Detach the 2 hooks in Fig. 1 and then pull out the
18、FrontPanel forward.3. Removal of Cassette Mechanism Unita. Remove 4 screws (5) in Fig. 1.b. Disconnect 3 connectors (CB1, CB2 and CB3) in Fig. 3.Fig. 2Fig. 1KX-E100899HookRelay P.C.B.HookPinch Roller (R)Pinch Roller (L)Head Assy666677CB3CB2CB1F/R BeltMain BeltMain MotorHook56. Removal of Pinch Rolle
19、rDetach the hook and then remove the Pinch Roller inFig. 4.7. Removal of Head Assya. Remove 1 screw (8) and then remove the RelayP.C.B. in Fig. 4.b. Remove 2 screws (9) and then remove the Head Assyin Fig. 4.*Perform the adjustment of azimuth after installing theHead Assy.Fig. 44. Removal of Cassett
20、e Mechanisma. Remove 4 screws (6) in Fig. 3.b. Detach the hook in Fig. 3 and then pull out the CassetteMechanism.5. Removal of Main MotorRemove 2 screws (7) in Fig. 3.Fig. 3KX-E10061. Before adjustmentG Since head magnetization, dust accumulations, etc. arelikely to introduce error in the various ch
21、aracteristics, itis very important that the heads are properlydemagnetized and cleaned.G Make adjustments of mechanical system, playbacksystem and recording system in that order.G Except for azimuth adjustment, adjust in the forwarddirection.2. Instruments requiredG Audio frequency oscillatorG ACVM
22、or dual channel (ACVM)G DCVMG Wow/flutter meterG OscilloscopeG Frequency counterG Torque meterTW-2111A (TX911580) .Take up/back tension (FWD)TW-2121A (TX911570) . Take up/back tension (RVS)CT-160L (TX911120) . FF/REW3. Test tape requiredG MTT-111N (TX911650). Normal speedG MTT-114N (TX911680). Azimu
23、thG MTT-212N (TX911660).Playback levelG MTT-256 (TX911300) . Playback frequencyresponse (Normal)G MTT-356 (TX911310) . Playback frequencyresponse (CrO2)G Reference tapeType I/Normal (LH) . TDK AC225 (VU167200)Type II/High (CrO2). TDK AC514 (VU167300)Type IV/METAL. TDK AC713 (VU167400)I ADJUSTMENTSTE
24、ST MODE (Operation and Display Check)Enter the TEST MODE by pressing the STANDBY/ON key while pressing the STOP key and FF key when the power is OFF.NO.KEYFUNCTIONACTION1PLAYPLAYPlayback mode without the cassette tape. In this mode, cleaningthe REC/PB head.2STOPSTOPStop the playback mode.3DIRECTIOND
25、IRECTIONChange the playback direction.4FFDIMMERDimmed display when pressing the FF key. (6 step)5REWPHOTO MODEPhotograph mode.6DOLBY NRAll display segments lit.7REC/PAUSEVersionDisplay the program version and date when pressing the REC/PAUSE key.8MODEDisplay grid and segments short/open check. (Fig.
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Yamaha-KXE100-tape-sm 维修电路原理图 Yamaha KXE100 tape sm 维修 电路 原理图