Yamaha K-200 Service Manual Download Page 14 | Manualshive

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Summary of Contents for K-200

Page 1: ...elector Switches TAPE Q Dolby NR Switch DOLBY NR J Headphone Jack PHONES Microphone Jacks MIC Record Level Control REC LEVEL CONTENTS Rear Panel Names of the Parts Disassembly Instructions General Adjustments Specifications Block Diagram Performance Chart for Mechanism Logic Printed Circuit Board Pattern side Layout Printed Circuit Board Parts side Components Layout Wiring Schematic Diagram 1 2 3 ...

Page 2: ... Record Input Jacks LINE IN REC Playback Output Jacks LINE OUT PLAY Power Cord Australian and British Models European Model General Model 1 ...

Page 3: ...TS Top View Power transformer Power cord Main circuit board 2 Q Main circuit board 1 Auto Shut off solenoid Capstan drive motor Transport mechanism TM 5A Reel drive motor Main circuit board 3 Switch rods VU meters 2 Mat ...

Page 4: ...e the front panel according to step 3 b Remove the cassette cover c Unplug all connectors from the mechanism section d Remove screws T shown in photo 4 and remove the transport mechanjsm 5 Removal of VU Meters a Remove the front panel according to step 3 b Remove screw T shown in photo 5 and remove the VU meters 6 Removal of Circuit Board a Remove the top and bottom covers and the front panel acco...

Page 5: ...120 jus or MTT 316 3180 70 us TDK SA C 60 Cr02 tape TDK ADC 60 LH tape TDK MA C 60 Metal tape Playback Adjustments 1 Tape Speed Adjustment a Connect a frequency counter to the left or right channel LINE OUT b Play test tape TEAC MTT 111 3 kHz and adjust the semi fixed VR in the drive motor base for a frequency counter reading of 3000 Hz 2 oHz MTT HI c c frequency counter 5 P B LINE OUT OODO O OOOO...

Page 6: ...INE OUT b Put the deck into the record mode and apply a 1 kHz signal to LINE IN which will cause 7 dBm 346 mV at the LINE OUT c Adjust VR 105 left channel and VR 106 right channel so that the VU meter pointers read 0 dB 1 5 dB 2 Record Level Adjustment a Establish the same connections as for level meter adjustment above b Put the deck into the record mode and apply a 315 Hz 1 kHz 333 Hz signal to ...

Page 7: ...st be below 2 5 LH Position a Use a TDK AD C 60 LH tape and check that the 14 kHz record playback level is within 4 dB of the 315 Hz 1 kHz 333 Hz record playback level METAL Position a Use a TDK MA C 60 metal tape and check that the 14 kHz record playback level is within 4 dB of the 315 Hz 1 kHz 333 Hz record playback level Location of Adjustment Points P B LEVEL ADJUSTMENT a Cr02 BIAS ADJUSTMENT ...

Page 8: ... Overall Distortion Metal tape less than 1 0 315 Hz Channel Separation better than 35 dB 1 K Hz Crosstalk better than 60 dB 125 Hz Erasure rate better than 60 dB 400 Hz Input Sensitivity Impedance Mic 0 3mV 5K ohms Line 60 mV 80K ohms Output Level Line 350 mV 2 2K ohms Phones 0 6mW 8 ohms Power Supply AC 120V 60 Hz U C AC 220V 50 JHz G AC 240V 50 Hz A B AC 110 1 20 220 240 V 50 60 Hz R Power Consu...

Page 9: ...t off circuit stand by TR II 5 OFF TRI 07 108 OFF Muting circuit released REC button push SWIOI SW 101 I 3 5 7 9 SW 101 2 4 6 8 10 L ch recording circuit established R ch recording circuit established TRII5 TRI07 108 SWI0M 1 OFF OFF Muting circuit released REC INDICATOR lights SW 101 12 voltage to TR117 Tape Selector circuit operation Record Protection Tab present missing REC IHN SW open closed 1C...

Page 10: ...rcuit stand by REW button push SW 104 1 TRI 13 ON base of TR113 locked by D126 REEL MOTOR reverse drive voltage to TR109 110 Auto Shut off circuit stand by FF REW I mode STOP button PUSH SW 104 4 charge of Cl79 released BRAKE plunger operation POWER SW SWI03 ...

Page 11: ...6 7 8 9 10 n i r 7T ...

Page 12: ... SCHEMATIC DIAGRAM RESISTOR _ CAPACITOR REMARKS I PARTS NAME REMARKS I PAR7 NO MARK CARBON FILM RESISTOR NO MARK CERAMIC Cl _ SEMI VARIABLE RESISTOR POLYESTEL POLYPROPYL ...

Page 13: ... PRINTED CIRCUIT BOARD PATTE I ...

Page 14: ...RINTED CIRCUIT BOARD PARTS SIDE COMPONENTS LAYOUT WIRir rt ciifejrs LINE OUT PLAY UNE IN REC MAIN C BOARD I RIGHT REC INDICATOR Temporary circuit board To connector 5 To reel capstan motor and rec ihn sw ...

Page 15: ...S LIST Allover EXPLODED VIEW Mechanism PARTS LIST Mechanism PARTS LIST Circuit Board Main Circuit Board Page 1 2 3 4 6 Notes DESTINATION ABBREVIATIONS CANADIAN EUROPEAN BRITISH GENERAL AUSTRALIAN JAPAN NIPPON GAKKI CO LTD HAMAMATSU JAPAN Primed in Japan 5 82 2 65K 004463 ...

Page 16: ......

Page 17: ... C CB 60 99 50 SR 5N 4 it R A G B 7 Ji 00 il 2 50 VU Meter S VUX ff Ji iOO ji 2 60 n B n Black Model G 8 mg oo 04 i o AC Cord Black 2 2m 7A 125V mm k J MG iOO 07i80 n 2m 6A 250V R if MG 00 08 40 tt 10A 125V It Inter U C MG iOO 12140 H tt ft changeable u c if MG 00 09 20 It Gray 2 5m 7 5A 250V tt A n MG 00 j09 50 2m 2 5A 250V tt G it IMG 00 10 00 it Black 2m 6A 300 500V tt B 9 CB 60 80190 Rod Power...

Page 18: ...Motor Screw Motor Capstan Motor Brake Ass y Cam Follower Play Triger Solenoid Ass y Cam Cam Spring Senser Lid Stop Triger Washer Rivet Flywheel Ass y Main Belt Back Plate Ass y Bind Head Tapping Screw Reel Motor Bind Head Screw Gear Ass y Head Base Pinch Roller Ass y Spring Return Head Base_ RPH_ Bind Head Screw Counter Belt Lever Play Look Damper Ass y Lever Lock Washer Spring Housing Guide R Cas...

Page 19: ... UA 25 51 00 Mylar Capacitor 0 1 jF 50V J C 1 39 Cl 40 FM 42 53 30 Electrolytic Capacitor 0 33juF 50V Z3 1141 C 142 UW 83i82 20 220 iF 16V i3 C 143 Cl 44 F GJ41128 20 Ceramic Capacitor 820pF 50V K 3 C1 45 Cl 46 UW 86 62 20 Electrolytic Capacitor 2 2uf 50V Z 3 C147 Cl 48 UW 86 61 00 1 juF 50V H Cl 49 Cl 50 UA 25 36 80 Mylar Capacitor 0 0068 F 50V J 7 7 3 C1 51 C1 52 F Aj 15 33 90 n 0 0039juF 50V J ...

Page 20: ...80pF b 2 GE 20 04 i0 MPX Coil MPX 4 GE 90 06 10 Trap Coil 85K Y 7 V 4 O T105 GE 90j06 30 OSC Coil 85K OSC n4J L 101 L 102 GE 90j02 60 Coil 1 2mH L 103 L 104 GE 90 08 10 tt 27mH n R 101 R102 HJ 35 41 iOO Carbon Resistor 10Q RD25S R 103 R 104 HJ 35173190 a 39KQ ft tt R 105 R 106 HJ 135163190 tt 3 9KQ h tt R 107 R 108 HJ 35 76 80 11 68KG a tt R 109 R110 HJ 135 51 20 tt 120n tt R 11 1 R1 12 HJ 35 81 5...

Page 21: ...25S Common model HJ 35 63 90 n 3 9KQ HJ 35 72 20 tt 22KQ HJ 35 53 30 n 330Q HJ 35 72 70 27KS2 hj I35 71 00 10KQ HJ 10 00 74 70 H i HJ 35 61 00 hj 35 51 80 ft aE3 HJ 35 71 00 tt 10KQ R191 HJ 35 78 20 n 82KG R192 HJ 35 64 70 tt 4 7K0 HJ 135 61 loo _J 1 KQ mmmm New Parts Ur88 Si ...

Page 22: ...00 23 20 10 13 84 00 04 00 00 19 83 00 26 55 00 Transistor 00 00 40 Diode 00 06 70 OO 03 30 00 00 40 00 06 70 00 00 40 00 06 7 00 05 90 EVN K4A B5K V8K4 1 1 B5K EVN K4A 50KX2 2 2 2SC2320L 2S62320 E F 2SC2634 R S T 2SD655 D E F 2SC2320 E F iC 26 34 00 n 2SC2634 R S T TR111 i A 10 20 00 2SA1020 TR113 i D osjsojoo n 2SD880 i A 09 99 10 n 2SA999 E F i A 11 27 00 n 2SA1 1 27 R S T Inter changeable 2SC1...

Page 23: ...Mi 07 64 60 Mi 06 62 10 Mi 08 17 80 Headphones Jack n Pin Jack Wrapping Terminal i type n Base Pin Fuse Holder Pin Base Pin Holder for Main C B Spring REC Lever Heat Sink Plastic Rivet Lever REC S PL Holder H IC Holder Switch Solenoid Bind Head Screw Metal Fitting Base Pin Black Model Black Model 10 Board in Board in Ass y 90 Wrapping Terminal 60 Board in Board in Ass y Accessories Ass y 4P 2P P 1...

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