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Yamaha DS60-112 manual

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Table of contents for the manual

  • Page 1

    DS60-112 1 SERVICE MANUAL GA 011598 20011001-39800 1.507K-844 Printed in Japan 2001.9 HAMAMATSU, JAPAN POWERED SPEAKER CONTENTS SPECIFICATIONS ................................................... 3 PANEL LAYOUT .................................... 4 BLOCK DIAGRAM ............................ 4 CIRCUIT BOARD LAYOUT ................. 5 WIRING ........[...]

  • Page 2

    2 IMPOR TANT NOTICE 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 under- stood by the users, and have therefore not been restated. WARNING : Failure to follo[...]

  • Page 3

    DS60-112 3 SPECIFICATIONS Output Power 60 Wrms Speaker 30 cm x 1 (Celestion SEVENTY 80) Controller/Switch V OLUME, TREBLE, MIDDLE, BASS, EQ ON/OFF , PO WER Connection Jacks INPUT : Standard Phone Mono J ack SLA VE OUT : Standard Phone Mono Jac k Input Level/Impedance INPUT : 0 dBm / 100 k Ω Output Level/Impedance SLA VE OUT : 0 dBm / 1 k Ω Powe[...]

  • Page 4

    4 PANEL LAYOUT Control Panel q w e r t y q INPUT Jack (INPUT) w V olume Control (V OLUME) e Equalizer Switch (EQ ON/OFF) r Equalizer Controls (TREBLE, MIDDLE, BASS) t Expansion Output Jack (SLA VE OUT) y Po wer Switch & Lamp (PO WER) BLOCK DIAGRAM MAIN INPUT 31 IC1 1/2 IC1 1/2, IC2 BASS MID TREBLE EQ OFF-ON VOLUME MUTE TR1, 2, 3 SLAVE OUT POWER[...]

  • Page 5

    DS60-112 5 WIRING CIRCUIT BOARD LAYOUT 1/4 MAIN 1/4 MAIN 2/4 MAIN 2/4 MAIN 4/4 MAIN 4/4 MAIN 3/4 MAIN 3/4 MAIN W2 W4 W6 CN3 CN2 CN1 W1 W3 W5 BT1 BT2[...]

  • Page 6

    6 DISASSEMBLY PROCEDURE A. External fittings 1. Handle assembly 1-1. Remov e the two (2) screws marked [G60d] and remov e the handle. 2. Corner metal fixture 2-1. Remov e the two (2) screws mark ed [G50] and remov e the cor ner metal fixture. (Fig. 1) 3. Leg 3-1. Remov e the one (1) screw marked [G110] and remov e the leg. (Fig. 1) [G50]: Oval Head[...]

  • Page 7

    DS60-112 7 B . Amplifier Unit 6. MAIN circuit board 1/4 6-1. Remov e the amplifier unit (See Item 4 abov e.) 6-2. Remov e the four (4) screws mark ed [30], four (4) knobs of Ro ta r y var i abl e r es is te rs, four (4) he xagonal nuts and one (1) each of INPUT and SLA VE OUT hexagonal nuts. The MAIN circuit board 1/4 can then be removed. (Fig. 3) [...]

  • Page 8

    8 CIRCUIT BOARDS MAIN Circuit Board INPUT EQ ON/OFF VOLUME TREBLE MIDDLE A A' MAIN 1/4 MAIN 2/4 Component side[...]

  • Page 9

    DS60-112 9 MAIN: CNA-V755090 SLAVE OUT POWER ON/OFF BASS A A' Component side MAIN 3/4 MAIN 4/4 Component side Component side[...]

  • Page 10

    10 IDLING ADJUSTMENT 1. T ur n the idling adjustment v olume (VR5) counterclockwise fully . 2. Adjust the VR5 so that the DC voltage betw een the ter minals of the CN4 is 3mV .[...]

  • Page 11

    6 5 4 3 H FG E D C B A A H G F E D C B 1 2 DS60-112 OVERALL CIRCUIT DIAGRAM DS60-112 DS60-112 DS60-112 Destination Power Transformer Black Brown Blue Green/Yellow Brown Blue Green/Yellow White SPEAKER Black White Green Power Cord Cord Bush Destination Power Transformer OP AMP OP AMP OP AMP OP AMP KEC-54236 Mylar Capacitor Wire Wound Resistor Flame [...]

  • Page 12

    WARNING Components having special characteristics are marked and must be replaced with parts having specification equal to those originally installed. Notes : DESTINATION ABBREVIATIONS The numbers “QTY” show quantities for each unit. The parts with “--” in “PART NO.” are not available as spare parts. This mark “ } ” in the REMARKS c[...]

  • Page 13

    DS60-112 2 OVERALL ASSEMBLY 70 50 10 20 30 40 90 100 110 80 G70 G60 G20 G10 G80 G90 G50 G50 G40 G100 G110 G60b G60b G60c G60a 120 G30[...]

  • Page 14

    DS60-112 3 : New Parts REF NO. P ART NO. DESCRIPTION REMARKS QTY RANK RANK: Japan only * * * * * * * * * * * O VERALL ASSEMBL Y DS60-112 Over all Assembly J (V750350) Over all Assembly U ,C (V750360) Over all Assembly H (V750370) Over all Assembly B (V750380) 10 Amplifier Unit J (V750430) 10 Amplifier Unit H (V750450) 10 Amplifier Unit U ,C (V75044[...]

  • Page 15

    DS60-112 4 AMPLIFIER UNIT 20 190 210 200 200 180 100 220 130 170 160 150 90 110 120 30 140 155 190 70 40 10 30 50 60 80 80 210[...]

  • Page 16

    DS60-112 5 : New Parts REF NO. P ART NO. DESCRIPTION REMARKS QTY RANK * * * * * * * * Amplifier Unit J (V750430) Amplifier Unit U,C (V750440) Amplifier Unit H (V750450) Amplifier Unit B (V750460) 10 Chassis J 10 Chassis U, C 10 Chassis H 20 Circuit Board J,U 20 Circuit Board H 30 Bind Head T apping Screw-B 3.0X8 MFZN2BL 50 1 40 Knob (CH) VOLUME,TRE[...]

  • Page 17

    DS60-112 6 : New Parts REF NO. P ART NO. DESCRIPTION REMARKS QTY RANK RANK: Japan only * * * ELECTRICAL PARTS ELECTRICAL P ARTS Circuit Board MAIN J ,U MAIN1/4-4/4(X0097A0) Circuit Board MAIN H MAIN1/4-4/4(X0097A0) Jumper Wire 0.60 (VV29140) 17 01 Fuse Holder CQ-05CT 60 1 BT1 Wire Assembly #18 2P L 300 C01 Electrolytic Cap. 1.00 50.0V 01 C02 Cerami[...]

  • Page 18

    DS60-112 7 : New Parts REF NO. P ART NO. DESCRIPTION REMARKS QTY RANK RANK: Japan only R12 Carbon Resistor 1.0K 1/4 J 01 R13 Carbon Resistor 100.0K 1/4 J 01 R14 Carbon Resistor 680.0 1/4 J 01 R15 Carbon Resistor 220.0 1/4 J 01 R16 Carbon Resistor 3.3K 1/4 J 01 R17 Carbon Resistor 1.0K 1/4 J 01 R18 Carbon Resistor 10.0K 1/4 J 01 R19 Carbon Resistor [...]

  • Page 19

    DS60-112 8 : New Parts REF NO. P ART NO. DESCRIPTION REMARKS QTY RANK RANK: Japan only P ower T ransformer E E,B P ower Cord J VCTF 2X0.75 7A J 05 P ower Cord UC SJT 3X#18 10A U,C 06 P ower Cord BS H05VV -F3X0.75 B 08 P ower Cord E H05VV -F3X0.75 6A H 06 X0241B00 VZ461100 VV205600 VV058300 VV058200 *[...]