DS60-112 POWERED SPEAKER SERVICE MANUAL CONTENTS This document is printed on chlorine free (ECF) paper with soy ink. SPECIFICATIONS ................................................... 3 PANEL LAYOUT .................................... 4 BLOCK DIAGRAM ............................ 4 CIRCUIT BOARD LAYOUT ................. 5 WIRING ..................................................................... 5 DISASSEMBLY PROCEDURE .............................. 6 IC BLOCK DIAGRAM ................................
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 understood by the users, and have therefore not been restated.
DS60-112 SPECIFICATIONS Output Power Speaker Controller/Switch Connection Jacks Input Level/Impedance Output Level/Impedance Power Requirements Power Consumption Dimensions (W x H x D) Weight 60 Wrms 30 cm x 1 (Celestion SEVENTY 80) VOLUME, TREBLE, MIDDLE, BASS, EQ ON/OFF, POWER INPUT : Standard Phone Mono Jack SLAVE OUT : Standard Phone Mono Jack INPUT : 0 dBm / 100 kΩ SLAVE OUT : 0 dBm / 1 kΩ U.S. and Canadian models : 120 V, 60 Hz General model : 230 V, 50 Hz 70 W 513 x 491 x 291 mm (20.2” x 19.
PANEL LAYOUT Control Panel q q w e r t y w e r t y INPUT Jack (INPUT) Volume Control (VOLUME) Equalizer Switch (EQ ON/OFF) Equalizer Controls (TREBLE, MIDDLE, BASS) Expansion Output Jack (SLAVE OUT) Power Switch & Lamp (POWER) BLOCK DIAGRAM IC1 1/2 INPUT 3 1 SLAVE OUT IC1 1/2, IC2 ACTIVE TYPE TONE CONTROL POWER AMP SPEAKER EQ OFF-ON VOLUME BASS MID TREBLE MUTE TR1, 2, 3 MAIN POWER SWITCH POWER SUPPLY CIRCUIT AC INPUT 4
DS60-112 CIRCUIT BOARD LAYOUT MAIN 4/4 MAIN 2/4 MAIN 3/4 MAIN 1/4 MAIN 2/4 MAIN 3/4 MAIN 4/4 MAIN 1/4 WIRING W2 W4 W6 CN3 CN2 BT2 W1 W3 W5 BT1 CN1 5
DISASSEMBLY PROCEDURE A. 1. 1-1. External fittings Handle assembly Remove the two (2) screws marked [G60d] and remove the handle. 2. 2-1. Corner metal fixture Remove the two (2) screws marked [G50] and remove the corner metal fixture. (Fig. 1) 3. 3-1. Leg Remove the one (1) screw marked [G110] and remove the leg. (Fig. 1) [G60d] [G50] [G50]: Oval Head Tapping Screw-1 3.5X16 MFN133 (V3833600) [G60d]: Oval Flat Head Screw 5.0X25 FNM3-2B (V3743700) [G110]: Truss Head Tapping Screw-1 4.
DS60-112 B. 6. 6-1. 6-2. Amplifier Unit MAIN circuit board 1/4 Remove the amplifier unit (See Item 4 above.) Remove the four (4) screws marked [30], four (4) knobs of Rotary variable resisters, four (4) hexagonal nuts and one (1) each of INPUT and SLAVE OUT hexagonal nuts. The MAIN circuit board 1/4 can then be removed. (Fig. 3) 7. 7-1. 7-2. MAIN Circuit Boards 2/4, 3/4, 4/4 Remove the amplifier unit. (See Item 4 above.
CIRCUIT BOARDS MAIN Circuit Board MAIN 2/4 Component side MAIN 1/4 A EQ ON/OFF INPUT VOLUME TREBLE MIDDLE A' 8
DS60-112 MAIN 3/4 MAIN 4/4 Component side Component side A POWER ON/OFF SLAVE OUT Component side BASS A' MAIN: CNA-V755090 9
IDLING ADJUSTMENT 1. Turn the idling adjustment volume (VR5) counterclockwise fully. 2. Adjust the VR5 so that the DC voltage between the terminals of the CN4 is 3mV.
A B C D E F G H DS60-112 DS60-112 OVERALL CIRCUIT DIAGRAM 1 MAIN 2/4 MAIN 1/4 OP AMP OP AMP SPEAKER 2 OP AMP OP AMP MAIN 3/4 3 MAIN 4/4 4 Destination Power Transformer Power Cord Black Cord Bush Brown Blue Green/Yellow White 5 Black Power Transformer Brown Blue Green/Yellow Green White DS60-112 A B C D KEC-54236 Mylar Capacitor Wire Wound Resistor Flame Proof Carbon Resistor Metal Oxide Film Resistor Destination E F DS60-112 G H 6
POWERED SPEAKER PARTS LIST CONTENTS OVERALL ASSEMBLY AMPLIFIER UNIT ELECTRICAL PARTS Notes : DESTINATION ABBREVIATIONS A : Australian model B : British model C : Canadian model D : German model E : European model F : French model H : North European model I : Indonesian model J : Japanese model .............................................. 2 ........................................ 4 .............................................
DS60-112 OVERALL ASSEMBLY 70 50 10 120 30 G70 20 G60b G60a 40 G60 G20 G60b G10 G60c G30 G90 G50 100 G80 G40 110 G100 G110 2 80 G50 90
DS60-112 REF NO. * * * * * * * * * * * 10 10 10 10 20 G10 G20 G30 G40 G50 G60 G60a G60b G60c G70 G80 G90 G100 G110 30 40 50 70 80 90 100 110 120 PART NO.
DS60-112 AMPLIFIER UNIT 30 20 190 210 200 210 190 200 140 70 80 155 60 180 120 80 40 50 90 100 160 110 150 170 220 10 130 30 4
DS60-112 REF NO. * * * * * * * * 10 10 10 20 20 30 40 50 60 70 80 90 100 110 120 130 140 140 140 150 150 150 150 155 160 160 170 180 190 200 210 220 PART NO.
DS60-112 ELECTRICAL PARTS REF NO. PART NO.
DS60-112 REF NO. * * * * * * R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 R49 R50 R51 R52 R53 -56 R57 SW1 SW2 TR01 TR02 TR03 TR04 TR05 TR06 TR07 TR08 TR09 TR10 VR1 VR2 -4 VR5 W1W2 W3W4 W5W6 ZD1 -4 PART NO.
DS60-112 REF NO. * PART NO. DESCRIPTION X0241B00 Power Transformer VZ461100 VV205600 VV058300 VV058200 : New Parts 8 Power Cord Power Cord Power Cord Power Cord REMARKS E J VCTF 2X0.75 7A UC SJT 3X#18 10A BS H05VV-F3X0.75 E H05VV-F3X0.
