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SERVICE MANUAL

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CONTENTS

TO SERVICE PERSONNEL  . . . . . . . . . . . . . . . . . . . 2
REAR PANELS  . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3
SPECIFICATIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
DIMENSIONS  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INTERNAL VIEW  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

DISASSEMBLY PROCEDURES

/分解手順

 . . . . . 5–7

ADJUSTMENTS

/調整

 . . . . . . . . . . . . . . . . . . . . 8–12

DISPLAY DATA  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
IC DATA  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14–15
BLOCK DIAGRAM  . . . . . . . . . . . . . . . . . . . . . . . . . . 16
PRINTED CIRCUIT BOARD  . . . . . . . . . . . . . . . 17–20
SCHEMATIC DIAGRAM  . . . . . . . . . . . . . . . . . . . . . 21
PARTS LIST  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23–33
PARTS LIST FOR CARBON RESISTORS  . . . . . . . 34

This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.
It has been assumed that basic service procedures 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 expensive
components, and failure of the  product to perform as specified. For these reasons, we advise all YAMAHA product owners that any service
required should be performed by an authorized YAMAHA Retailer or the appointed service representative.

IMPORTANT:

The presentation or sale of this manual to any individual or firm does not constitute authorization,  certification  or  recognition  of  any  applicable
technical  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, engineering, and service departments of YAMAHA
are continually striving  to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation
to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.

WARNING:

Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to
the ground buss in the unit (heavy gauge black wires connect to this buss).

IMPORTANT:

Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.

IMPORTANT NOTICE

1 0 0 8 0 7

SERVICE MANUAL

KX-E300

STEREO CASSETTE DECK

KX-E300

For the system operation of KX-E300, please refer to Service Manual #100805 for the CRX-E300/NX-E300.

本機の「システム動作」については、CRX-E300/NX-E300のサービスマニュアル  100805  をご覧ください。

Summary of Contents for KX-E300

Page 1: ...tation or sale of this manual to any individual or firm does not constitute authorization certification or recognition of any applicable technical 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 engineering and service departments of YAMAHA are continually striving to ...

Page 2: ...PMENT UNDER TEST INSULATING TABLE WALL OUTLET 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 Health and Welfare Agency and possibly other entities to cause cancer and or birth defects or other reproductive h...

Page 3: ...tivity Impedance 入力端子 Line 100 mV 30 kΩ Output Level 出力端子 Line 570 mV 3 0 kΩ Power Requirements 電源電圧 U C models AC120 V 60 Hz B G models AC230 V 50 Hz J model AC100 V 50 60 Hz Power Consumption 消費電力 U C B G models 12 W Standby 3W J model 9 W Standby 3W Dimensions W x H x D 寸法 幅 X 高さ X 奥行 217 x 88 x 291 mm 8 9 16 x 3 7 16 x 11 7 16 Weight 重量 3 0 kg 6 lbs 10 oz Finish 仕上げ Silver color U C B G J mode...

Page 4: ...00 4 DIMENSIONS INTERNAL VIEW q MAIN P C B 4 w Cassette Mechanism Unit e MAIN P C B 1 r MAIN P C B 2 t MAIN P C B 3 Unit mm inch 217 8 9 16 8 5 16 80 3 1 8 88 3 7 16 6 3 16 10 3 8 275 10 13 16 291 11 7 16 q e r t w ...

Page 5: ... pull the Front Panel forward 3 Removal of Cassette Mechanism Unit a Remove 4 screws t in Fig 1 b Disconnect 3 connectors CB1 CB2 and CB3 in Fig 3 c Remove the Cassette Mechanism Unit in Fig 1 1 トップカバーの外し方 a qのネジ4 本とwのネジ4 本を外します Fig 1 b トップカバーを後方へスライドさせ取り外します 2 フロントパネルの外し方 a コネクタ2 ヶ所 CB201 CB209 を外します Fig 2 b eのネジ2 本とrのネジ2 本を外します Fig 1 c フック2 ヶ所を外し フロントパネルを前方に外しま す Fig 1 3 カセットメカユニットの外し方 a tのネジ4 本...

Page 6: ...move the Relay P C B in Fig 4 b Remove 2 screws o and then remove the Head Ass y in Fig 4 Perform the azimuth adjustment after installing the Head Ass y CB3 CB2 CB1 F R Belt Main Belt Main Motor Hook y y y y u u Hook Relay P C B Hook Pinch Roller R Pinch Roller L Head Ass y o i o Fig 3 Fig 4 4 カセットメカの外し方 a yのネジ4 本を外します b フックを1 ヶ所外し カセットメカを外します Fig 3 5 メインモーターの外し方 uのネジ2 本を外し メインモーターを外します Fig 3 6 ピン...

Page 7: ...C B を外します e Main P C B を Fig 8 のように置いて 動作チェック を行います Service Position a Remove 3 screws 0 in Fig 5 b Remove 1 screw 1 in Fig 6 c Remove 2 screws 2 and 1 screw 3 in Fig 7 d Remove the Main P C B e Place the Main P C B as shown in Fig 8 and check them for operation Fig 5 Fig 7 Fig 6 Fig 8 MAIN 2 MAIN 1 0 0 1 2 2 3 Cloth ...

Page 8: ...650 Normal speed MTT 114N TX911680 Azimuth MTT 212N TX911660 Playback level MTT 256 TX911300 Playback frequency re sponse Normal MTT 356 TX911310 Playback frequency re sponse CrO2 Reference tape Type I Normal LH TDK AC225 VU167200 Type II High CrO2 TDK AC514 VU167300 Type IV METAL TDK AC713 VU167400 ADJUSTMENTS 調整 1 調整の前に a 帯磁および汚れなどによる各測定誤差をなくすため ヘッドイレース ヘッドクリーニングを行ってください b 調整は メカ調整 再生系調整 録音系調整の順...

Page 9: ...ton 6 steps ボタンを押すごとに写真撮影用ディスプレイの表示濃度を変える 6 段階 5 e PHOTO MODE Photograph mode Same display as No 4 but without concentration change 写真撮影モード NO 4 と同じ表示 濃度変化しない 6 DOLBY NR All display segments lit ディスプレイ全灯 7 REC PAUSE Version To display the program version and date when pressing the REC PAUSE button プログラムのバージョンと日付を表示 ex 6121 0804 8 MODE Display grid and segments short open check Fig A is OK ディスプレイ表示...

Page 10: ...ection Take measurement at about the center of the test tape Instrument required Torque meter ACVM Oscilloscope Frequency counter Wow flutter meter Adjustment part Azimuth adjustment screw Fig B VR101 メカ調整 調整項目 各トルクの確認 FF REW 時 間の確認 アジマス テープスピード ワウ フラッター の確認 テストテープ CT 160L FF REW TW 2111A FWD TW 2121A RVS AC 514 C 60 MTT 114N 10kHz 10dB MTT 111N 3kHz 10dB MTT 111N 3kHz 10dB Step 1 2 3 4 5 モード FF R...

Page 11: ...so that the frequency response in Fig D is obtained Perform recording playback and confirm that there is no output level difference 25 dBV 0 5 dBV If the value is not as speci fied perform adjustment again according to Steps 1 and 2 Item to be Adjusted Recording level Recording bias Total frequency response Confirmation of recorded level Step 1 2 3 Points of measurement LINE OUT LINE OUT LINE OUT ...

Page 12: ...に発振器の出力レ ベルを調整する LINE IN に 12 5kHz の信号を加え LINE OUT の出力レベル が 25dBV となるよ うに発振器の出力レ ベルを調整する テープ AC 514 High CrO2 AC 514 High CrO2 AC 225 Normal LH AC 514 High CrO2 調整箇所 VR203 L ch VR204 R ch VR103 L ch VR102 R ch Fig C 4dB 3 5dB 1k 3dB 3dB 3k 10kHz 315 250 50 12 5kHz 再生周波数特性 録再周波数特性 20 dBV Dolby NR OFF B on C on Type I Normal Type II High Type IV METAL Fig D 4dB 4dB 1k 3dB 3dB 3k 10kHz 315 250 50 12 ...

Page 13: ...24 25 26 27 28 29 30 31 F1 F1 NP P1 P2 P3 P4 P5 P6 P7 NX NX NX NX NX NX NX 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G NP F2 F2 Connection Note 1 F1 F2 Filament 2 NP No pin 3 NX No extended pin 4 1G 11G Grid 1G 2G 3G 4G 5G 6G 7G 8G 9G 10G 11G P1 a a a a S1 S1 S1 S1 P2 b b b b B1 B1 B1 B1 P3 c c c c B2 B2 B2 B2 P4 d d d d B3 B3 B3 B3 P5 e e e e B4 B4 B4 B4 P6 f f f f B5 B5 B5 B5 P7 g g g g B6 B6 B6 B6 ...

Page 14: ... 9 54 P0 2 FLD 10 53 P0 3 FLD 11 52 P0 4 FLD 12 51 P0 5 FLD 13 50 P0 6 FLD 14 49 P0 7 FLD 15 48 P1 0 FLD 16 47 P1 1 FLD 17 46 P1 2 FLD 18 45 P1 3 FLD 19 44 P1 4 FLD 20 43 P1 5 FLD 21 42 P1 6 FLD 22 41 P1 7 FLD 23 40 P30 FLD24 39 P31 FLD25 38 P32 FLD26 37 P33 FLD27 36 P34 FLD28 35 P35 FLD29 34 P36 FLD30 33 P37 FLD31 32 P80 FLD32 31 P81 FLD33 30 P82 FLD34 29 P83 FLD35 28 VEE 27 P84 FLD36 26 P85 RTP0...

Page 15: ...1 FL25 O FL DIG2 ON H 40 P30 FL24 O FL DIG1 ON H 41 48 P10 P17 O Open 49 P07 FL15 I Open 50 P06 FL14 O FL SEG7 ON H 51 P05 FL13 O FL SEG6 ON H 52 P04 FL12 O FL SEG5 ON H 53 P03 FL11 O FL SEG4 ON H 54 P02 FL10 O FL SEG3 ON H 55 P01 FL9 O FL SEG2 ON H 56 P00 FL8 O FL SEG1 ON H 57 64 P20 P27 I Pull down PD 65 P57 SC22 I SYS IN 66 P56 SC21 O SYS OUT 67 P55 TD I Reel pulse 68 P54 RD O Solenoid ON H PD ...

Page 16: ...R LEVEL TAPE SELECTOR DOLBY CONT er ty 3 1 2 2 o 9 0 ui BIAS ON OFF 5 REC MUTE 4 LINE MUTE 8 R P CONT 6 7 w 0 1 e 0 e t i o r 3 q u q 9 0 8 9 0 0 0 6 REC LEVEL VR301 REC LEVEL VR203 204 BIAS ADJ VR103 104 PB LEVEL VR201 202 MPX FI201 202 PB AMP IC202 REC AMP IC204 EQ R P CONT IC201 LINE IN LINE OUT R P HEAD REC IN w 1 o 4 t 8 3 0 r 9 PB IN REC OUT y 7 LINE OUT ERASE HEAD r METER DRIVER IC102 METER...

Page 17: ...N 1 Lead Type Devices Vu5 SYN GU LM LIR LIL GA VA LOR LOL IN OUT SYSTEM CONNECTOR AC3 AC4 AC5 AC6 F1 F2 From MAIN 4 LIS GM LOS L L TAPE SPEED ADJ RECORDING BIAS ADJ To From CASSETTE MECHA RRS MES FRS HS 70S SO RP 5V PLS MO GM MB MA q F1 F2 22V REP SOL MOT LO LO BIAS MSW3 MSW2 MSW1 LSW MR ML P ON ACP 5V HIGH MET ER GE RR PL GB To From MAIN 2 To MAIN 2 w Point q Both end of C105 REC mode V 20V div H...

Page 18: ...D Foil side Semiconductor Location Ref No Location D101 C2 D102 B2 D103 E3 D104 E2 D105 E3 D106 E3 D107 F3 D109 E2 D110 F2 D111 F3 D112 F3 D113 F3 D114 F3 D119 F2 P C B MAIN 1 Surface Mount Devices P C B MAIN 4 Lead Type Devices F2 F1 AC6 AC5 AC4 AC3 To MAIN 1 ...

Page 19: ...nt Devices w e To MAIN 3 F2 F1 S1 S2 S3 S4 S5 S6 S7 D1 D2 D3 Gu D4 D5 D6 D7 D8 D9 D10 D11 PSW OPE1 OPE2 Gu To From MAIN 3 LIR DIR GA DIL LIL PLAYBACK LEVEL ADJ To From R P ER HEADS RECORDING LEVEL ADJ Vu5 SYN GU LM LIR LIL GA VA LOR LOL To From MAIN 1 ER GE RR PL GB From MAIN 1 F1 F2 22V REP SOL MOT LO LO BIAS MSW3 MSW2 MSW1 LSW MR ML P ON ACP 5V HIGH MET PL RL GA RR PR GE ER Point e Pin 15 of C20...

Page 20: ...de P C B MAIN 3 Lead Type Devices P C B MAIN 3 Surface Mount Devices From MAIN 2 Gu OPE2 OPE1 PSW D11 D10 D9 D8 D7 D6 D5 D4 Gu D3 D2 D1 S7 S6 S5 S4 S3 S2 S1 F1 F2 To From MAIN 2 LIR DIR GA DIL LIL STANDBY ON COUNTER RESET MODE 31 1 REC PAUSE DOLBY NR REC LEVEL DIRECTION ...

Page 21: ...2 0 12 0 12 0 12 0 12 0 12 0 12 1 12 1 12 1 12 1 11 3 11 3 0 0 0 0 0 0 0 4 7 0 0 8 6 4 9 0 0 0 0 0 0 4 4 5 1 4 4 5 1 4 4 5 1 0 0 0 0 0 0 0 0 4 2 4 2 4 2 4 2 4 4 5 1 4 4 5 1 4 5 5 1 8 6 9 9 6 0 6 0 1 2 1 2 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 6 0 5 9 0 3 0 3 6 0 6 0 6 1 6 0 0 0 6 0 5 9 6 0 6 0 6 0 6 0 6 0 6 0 0 10 1 12 1 12 1 6 0 5 9 0 3 0 4 0 10 1 0 10 1 4 8 0 0 0 0 0 0 0 0 0 0 2 4 0 0 6 0 6 0 ...

Page 22: ...T CPL PHOTO COUPLER PHOT INTR PHOTO INTERRUPTER PHOT RFLCT PHOTO REFLECTOR PIN TEST PIN TEST POINT PLST RIVET PLASTIC RIVET R ARRAY RESISTOR ARRAY R CAR CARBON RESISTOR R CAR CHP CHIP RESISTOR R CAR FP FLAME PROOF CARBON RESISTOR R FUS FUSABLE RESISTOR R MTL CHP CHIP METAL FILM RESISTOR R MTL FLM METAL FILM RESISTOR R MTL OXD METAL OXIDE FILM RESISTOR R MTL PLAT METAL PLATE RESISTOR RSNR CE CERAMI...

Page 23: ...01 C109 UA653470 C MYLAR 4700pF 50V マイラーコン 01 C110 UR847470 C EL 47uF 25V ケミコン 01 C111 UR846470 C EL 4 7uF 25V ケミコン 01 C112 UR846470 C EL 4 7uF 25V ケミコン 01 C113 US064100 C CE M CHP 0 01uF 50V チップセラコン 01 C114 UR848100 C EL 100uF 25V ケミコン 01 C115 UR866220 C EL 2 2uF 50V ケミコン 01 C116 UR866220 C EL 2 2uF 50V ケミコン 01 C117 UR847100 C EL 10uF 25V ケミコン 01 C118 US063100 C CE M CHP 1000pF 50V チップセラコン 01 C11...

Page 24: ...L 47uF 25V ケミコン 01 C230 UR847100 C EL 10uF 25V ケミコン 01 C231 UR847100 C EL 10uF 25V ケミコン 01 C232 UR847100 C EL 10uF 25V ケミコン 01 C233 UR847100 C EL 10uF 25V ケミコン 01 C234 UR847100 C EL 10uF 25V ケミコン 01 C235 UR865470 C EL 0 47uF 50V ケミコン 01 C236 UR865470 C EL 0 47uF 50V ケミコン 01 C237 UA653220 C MYLAR 2200pF 50V マイラーコン 01 C238 UA653220 C MYLAR 2200pF 50V マイラーコン 01 C239 UR846470 C EL 4 7uF 25V ケミコン 01 C2...

Page 25: ...CフィルターMPX Fi202 V3733300 FLTR LC MP FXD221A105 23KHz LCフィルターMPX Fi203 GE900780 COIL BIAS 105KHz バイアストラップコイル 02 Fi204 GE900780 COIL BIAS 105KHz バイアストラップコイル 02 IC101 XF494A00 IC LB1641 IC 03 IC102 iG074900 IC BA6138 IC 04 IC103 XJ608A00 IC NJM7812FA IC 02 IC104 XA507A00 IC AN78N05 IC 02 IC201 XD864A00 IC uPC1330HA IC 03 IC202 XR618A00 IC NJM2043L D OP AMP IC 04 IC203 XV904A00 IC CXA1560S IC 08 IC204...

Page 26: ... 1 4W 不燃化カーボン抵抗 01 Z R126 VK186800 R FUS 15Ω 1 4W ヒューズ抵抗 01 Z R145 HV755100 R CAR FP 100Ω 1 4W 不燃化カーボン抵抗 01 Z R146 HV755100 R CAR FP 100Ω 1 4W 不燃化カーボン抵抗 01 Z R147 VE009700 R FUS 4 7Ω 1 4W ヒューズ抵抗 01 R150 HV756100 R CAR FP 1KΩ 1 4W 不燃化カーボン抵抗 01 R151 HV756150 R CAR FP 1 5KΩ 1 4W 不燃化カーボン抵抗 01 Z R152 VE009700 R FUS 4 7Ω 1 4W ヒューズ抵抗 01 R158 HV753560 R CAR FP 5 6Ω 1 4W 不燃化カーボン抵抗 01 R185 HV753220 R CAR FP...

Page 27: ...D GD シート FL 03 V2669700 SPACER スペーサ FL T5 EP600530 SCR BND HD 3x8 MFZN2BL バインドSタイトネジ 01 Note Those parts marked with are not included in the P C B ass y マーク の部品は 基板に含まれません Note on the Main PCB Of the Main PCB part Nos only the silver SI type part Nos are included in the table The only different part between the gold GD and silver SI type parts is the sheet FL that is attached to the fluorescent ch...

Page 28: ...抵抗 01 RD356390 R CAR CHP 3 9KΩ 1 10W チップ抵抗 01 RD356470 R CAR CHP 4 7KΩ 1 10W チップ抵抗 01 RD356510 R CAR CHP 5 1KΩ 1 10W チップ抵抗 01 RD356560 R CAR CHP 5 6KΩ 1 10W チップ抵抗 01 RD356680 R CAR CHP 6 8KΩ 1 10W チップ抵抗 01 RD356820 R CAR CHP 8 2KΩ 1 10W チップ抵抗 01 RD357100 R CAR CHP 10KΩ 1 10W チップ抵抗 01 RD357120 R CAR CHP 12KΩ 1 10W チップ抵抗 01 RD357130 R CAR CHP 13KΩ 1 10W チップ抵抗 01 RD357150 R CAR CHP 15KΩ 1 10W チップ抵抗 0...

Page 29: ...at is attached to the fluorescent character display tube When a GD type Main PCB becomes necessary order a SI type Main PCB and a GD type sheet FL VU988700 and replace the sheet FL of the SI type Main PCB with the GD type sheet FL 4 2 1 3 101 150 142 203 202 11 150 12 152 146 140 103 3 121 145 3 145 3 120 121 1 31 1 11 1 31 7 5 7 3 1 23 1 22 106 152 122 123 123 6 149 1 24 1 30 113 1 21 142 1 23 14...

Page 30: ... TOP COVER GD トップカバー 08 103 V8845400 REAR PANEL J リヤパネル 103 V8845500 REAR PANEL UC リヤパネル 103 V8845600 REAR PANEL BG リヤパネル 106 V8846100 LID KX SI リッド KX 106 V8846000 LID KX GD リッド KX 110 V3688500 LEG M0080 M0 レッグ 01 113 V8786100 KNOB D10 P SI ノブ D10 P 113 V8786200 KNOB D10 P GD ノブ D10 P 120 VR264400 SPACER H8 スペーサー 01 121 VQ390100 DAMPER 8x8x15 ダンパー 01 122 VP857700 DAMPER 4x6x5 ダンパー 01 123 VS936800...

Page 31: ...OCK F527078 カセットホルダーBLK 08 4 AAX07460 MTR REEL BLOCK F564313 MTRリールBLK 08 5 1 AAX07510 SWITCH UE15S14 スイッチ 03 6 1 AAX07520 SWITCH UE18P21 スイッチ 03 15 AAX07580 BELT LOADING FF19L12 ローディングベルト 03 200 EP600290 BIND HEAD P TITE SCREW 3x6 MFZN2Y バインドPタイトネジ 01 EXPLODED VIEW Loading Mechanism リファレンスNo のない部品はパーツ供給されません The item without reference No is not supplied as a spare part ...

Page 32: ... BLOCK F522048 クラッチASSY BLK 06 31 AAX07530 ROLLER PINCH BLOCK R F514129 ピンチローラーBLK 05 32 AAX07540 ROLLER PINCH BLOCK L F514130 ピンチローラーBLK 05 42 AAX07560 BELT F R FF18W12 ベルト 03 50 AX623570 HEAD BASE FC61K28 ヘッドベース 04 51 AX622210 PLATE SLIDE FC61L17 スライドプレート 03 52 CX677140 CAM GEAR FD52Y20 カムギア 03 53 CX677130 LEVER F R FC62G12 レバー F R 02 54 AX623590 LOCK LEVER FD53D19 ロックレバー 03 55 CX679800 PULLEY C...

Page 33: ...45 4100 HF85 4150 HF45 4220 HF85 4270 HF45 4330 HF85 4390 HF45 4470 HF45 4560 HF45 4680 HF45 4750 HF45 4820 HF45 4910 HF45 5100 HF85 5110 HF45 5120 HF45 5150 HF45 5180 HF45 5200 HF45 5220 HF45 5270 HF45 5330 HF45 5390 HF45 5430 HF45 5470 HF45 5510 HF45 5560 HF45 5680 HF45 5820 HF45 5910 HF45 6100 HF45 6120 HF45 6150 HF45 6180 HF85 6200 HF45 6220 HF85 6240 HF45 6270 HF45 6300 HF45 6330 HF85 6360 HF...

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