Yamaha XM6150 Service Manual

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XM6150/XM4220

011495

20000301-140000

POWER AMPLIFIER

SERVICE MANUAL

CONTENTS

SPECIFICATIONS

PANEL LAYOUT

CIRCUIT BOARD LAYOUT

BLOCK DIAGRAM

DISASSEMBLY PROCEDURE

IC BLOCK DIAGRAM

DIMENSIONS

CIRCUIT BOARDS

INSPECTIONS

....................................................... 24/25

PARTS LIST

OVERALL CIRCUIT DIAGRAM

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.................................... 5

............................ 8

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................................. 13

......................................................... 13

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HAMAMATSU, JAPAN

1.5K-2501

Printed in Japan '00.02

XM6150/XM4220

XM6150

XM4220

................. 6

Table of Contents

Summary of Contents for Yamaha XM6150

Page 1 XM6150/XM4220 POWER AMPLIFIER XM6150/XM4220 SERVICE MANUAL XM6150 XM4220 CONTENTS SPECIFICATIONS ..........3/4 PANEL LAYOUT ........5 CIRCUIT BOARD LAYOUT ....6 BLOCK DIAGRAM ......8 DISASSEMBLY PROCEDURE ......9 IC BLOCK DIAGRAM ......... 13 DIMENSIONS ............13 CIRCUIT BOARDS ........14 INSPECTIONS ............
Page 2: Specifications
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.
Page 3: Specifications
XM6150/XM4220 SPECIFICATIONS XM6150 XM4220 Power Output Level (Rated Power) 8Ω 100 W x 6 140 W x 4 20 Hz~20 kHz 4Ω 120 W x 6 180 W x 4 THD+N= 0.2% 8Ω/BRIDGE 240 W x 3 360 W x 2 1 kHz 8Ω...
Page 4 XM6150/XM4220...
Page 5: Panel Layout
XM6150/XM4220 PANEL LAYOUT Front Panel * The illustration shows model XM6150. 3 CLIP indicator POWER switch and indicator PROTECTION indicator SIGNAL indicator Rear Panel * The illustration shows model XM6150. HPF switches CH A TO ALL CH switch Attenuators BRIDGE switches...
Page 6: Circuit Board Layout
REAR6 REAR6 REAR6 REAR4 REAR4 REAR6 REAR6 REAR4 REAR4 REAR6 REAR4 23 24 Power Transformer DRV6 DRV4 DRV6 DRV4 DRV6 DRV4 (W103) (W103) (W102) (W106) (W101) (W102) (W101) (W102) (W102) DRV6 DRV6 (W101) (W101) DRV4 DRV4 marked : XM6150 only...
Page 7 XM6150/XM4220 CONNECTOR PIN/ PART LIST REF NO. DESTINATION ASSEMBLY LENGHT 1 DRV6 or DRV4 (4/5)-CN601 REAR6 or REAR4 (4/6)-CN804 Overall Assembly [330] 2 DRV6 or DRV4 (4/5)-CN603 Overall Assembly [160] 3 DRV6 or DRV4 (4/5)-CN602 DRV6 or DRV4 (1/5)-CN404 Overall Assembly [320]...
Page 8: Block Diagram
XM6150/XM4220 BLOCK DIAGRAM...
Page 9: Disassembly Procedure
Remove the six (6) screws marked [400] and the screw marked [490]. The rear assembly can then be removed. (Fig.1) DRV6(3/5) Circuit Board <XM6150> DRV4(3/5) Circuit Board <XM4220> Remove the top cover. (See procedure 1.) Remove the rear assembly. (See procedure 3.) Remove the four (4) screws marked [100], the two (2) screws marked [110] and the screw marked [60].
Page 10 XM6150/XM4220 DRV6(4/5) Circuit Board <XM6150> DRV4(4/5) Circuit Board <XM4220> Remove the top cover. (See procedure 1.) Remove the front panel. (See procedure 2.) Remove the two (2) screws marked [370A]. The DRV6(4/5) circuit board or the DRV4(4/5) circuit board can then be removed with the LED angle bracket.
Page 11 XM6150/XM4220 DRV6(1/5), (2/5) Circuit Boards <XM6150> DRV4(1/5), (2/5) Circuit Boards <XM4220> PA Unit PA6 Circuit Board <XM6150> PA4 Circuit Board <XM4220> Remove the top cover. (See procedure 1.) Remove the front panel. (See procedure 2.) Remove the four (4) screws marked [380]. The PA...
Page 12 REAR6(2/6) or REAR4(2/6) Circuit Board: Remove the REAR6(3/6) circuit board or the REAR4(3/6) circuit board. (See procedure 10-3.) Remove the screws (XM6150: 12pcs, XM4220: 8pcs) marked [R100] and the five (5) screws marked [R110]. The REAR6(2/6) circuit board or the REAR4(2/6) circuit board can then be removed.
Page 13: Ic Block Diagram
XM6150/XM4220 IC BLOCK DIAGRAM M5238AP (XM085A00) NJM2068L-D (XM356A00) NJM4580DD (XM651A00) Dual Operational Amplifier Dual Operational Amplifier REAR6: IC704,707 to 711 REAR4: IC704,707,708,710 REAR6: IC701 to 703 REAR4: IC701,702 +DC Voltage Output A Supply Inverting Output B Input A Inverting Non-Inverting...
Page 14: Circuit Boards
REAR6/REAR4 5/6 Circuit Board(XW406B0) ..17 REAR6/REAR4 6/6 Circuit Board(XW406B0) ..17 PA6 Circuit Board(XW403B0) ....... 20 PA4 Circuit Board(XW404B0) ....... 21 Note : See parts list for details of circuit board component parts. : XM6150 Only DRV6/DRV4 1/5 Circuit Board Component side 3NA-V416230-2...
Page 15 XM6150/XM4220 DRV6/DRV4 3/5 Circuit Board to Power Transformer to Power Transformer to Power Transformer to REAR6/REAR4(3/6) -CN711 to PA6/PA4-W106 to Power Transformer to DRV6/DRV4(2/5) -CN409 to REAR6(6/6) to PA6/PA4-W107 -W803 to REAR6/REAR4(5/6) to PA6/PA4-W105 -W802 to REAR6/REAR4(4/6) -W801 to DRV6/DRV4(5/5)
Page 16 XM6150/XM4220 DRV6/DRV4 2/5 Circuit Board Component side DRV6/DRV4 4/5 Circuit Board PROTECTION A CH SIGNAL CLIP POWER DRV6/DRV4 5/5 Circuit Board Component side Component side 3NA-V416230-2...
Page 17 REAR6/REAR4 1/6 Circuit Board to REAR6/REAR4(2/6)-CN702 Component side REAR6/REAR4 4/6 Circuit Board to PA6/PA4-W101 to DRV6/DRV4(4/5) to REAR6/REAR4(3/6) Component side -CN601 -CN712 REAR6/REAR4 5/6 Circuit Board to PA6/PA4-W102 Component side to PA6-W103 REAR6 6/6 Circuit Board (XM6150 only) Component side 3NA-V416190-2...
Page 18 XM6150/XM4220 REAR6/REAR4 2/6 Circuit Board to REAR6/REAR4(3/6) -CN707 to REAR6/REAR4(1/6) -CN701 to REAR6/REAR4(3/6) -CN705 to REAR6/REAR4 (3/6)-CN708 3NA-V416190-2 Component side...
Page 19 XM6150/XM4220 REAR6/REAR4 3/6 Circuit Board to DRV6/DRV4(2/5) to DRV6/DRV4 -CN406 (1/5)-CN401 to REAR6/REAR4 (2/6)-CN704 to REAR6/REAR4 (2/6)-CN703 to DRV6/DRV4 (3/5)-CN604 to REAR6/REAR4(2/6) -CN706 3NA-V416190-2 Component side...
Page 20 XM6150/XM4220 PA6 Circuit Board to DRV6(2/5)-CN410 to DRV6(1/5)-CN402...
Page 21 XM6150/XM4220 Component side 3NA-V416160-2...
Page 22 XM6150/XM4220 PA4 Circuit Board to DRV4(2/5)-CN410 to DRV4(1/5)-CN402...
Page 23 XM6150/XM4220 Component side 3NA-V416170-2...
Page 24 1kHz is applied to the input terminal. terminal. Use an oscilloscope to monitor the output XM6150: 150W x 6/4 Ω (30.0dBu/ch) terminal and check that the output is as follows. XM4220: 220W x 4/4 Ω (31.7dBu/ch)
Page 25 Check that the total harmonic distortion (THD) is 0.2% e [INPUT CHANNEL E] or less at the following rated outputs when a high-quality (XM6150 only) sine wave of 1kHz is applied to the input terminal. Cannon connector (Pin 2 HOT, pins XM6150: 30.0dBu...
Page 26 XM6150/XM4220...
Page 27 POWER AMPLIFIER XM6150 PARTS LIST CONTENTS OVERALL ASSEMBLY ..........2 ELECTRICAL PARTS ..........5 Notes : DESTINATION ABBREVIATIONS A : Australian model M : South African model B : British model O : Chinese model C : Canadian model Q : South-east Asia model...
Page 28 XM6150 OVERALL ASSEMBLY R160 R170 R100 R130 R150 R20d R20e R20f R20a R110 R120 R140 R20b R20c...
Page 29 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY XM6150 Overall Assembly (V455520) Overall Assembly (V455530) Overall Assembly (V455540) Overall Assembly (V455550) Overall Assembly (V455560) V 2 9 4 2 8 0 0 Main Chassis Protector V 3 2 0 0 7 0 0...
Page 30 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK EG340190 Bind Head Tapping Screw-B 4.0X8 MFZN2BL V 4 5 5 7 0 0 0 Front Panel VU859100 Escutcheon, Power Switch EG340190 Bind Head Tapping Screw-B 4.0X8 MFZN2BL VV104600 Cord Holder V 2 9 4 3 6 0 0...
Page 31 XM6150 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK ELECTRICAL PARTS XM6150 Circuit Board DRV6 (V416230)(XW407C0) Circuit Board DRV6 (V416240)(XW407C0) Circuit Board DRV6 H,B,A,W (V416250)(XW407C0) AAX13070 Circuit Board DRV6 1/5 (XW407C0) AAX13080 Circuit Board DRV6 2/5 (XW407C0) AAX13090 Circuit Board...
Page 32 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK C433 FU451220 Mica Capacitor 22P 500V J C434 VV060300 Mylar Capacitor 2200P 50V J C435 VZ354000 Ceramic Capacitor-F 0.0100 50V Z C436 FU451220 Mica Capacitor 22P 500V J C437 FU451220 Mica Capacitor...
Page 33 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK -621 LB932020 Base Post Connector VH 2P TE D401 VD631600 Diode 1SS133,176,HSS104 -424 VD631600 Diode 1SS133,176,HSS104 D601 V 4 8 3 3 6 0 0 Diode Stack RBV2506 25.0A 600V D602 VD631600...
Page 34 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK Q440 IC1815M0 Transistor 2SC1815 Y,GR Q441 I A 1 0 1 5 9 0 Transistor 2SA1015 O,Y Q442 V 2 7 9 7 7 0 0 Transistor 2SC5395 E,F Q443 VU418600 Transistor...
Page 35 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK R430 HF457220 Carbon Resistor 22.0K 1/4 J R431 VZ010600 Metal Film Resistor 560.0 1/4 F -433 HF455560 Carbon Resistor 560.0 1/4 J R434 HF457100 Carbon Resistor 10.0K 1/4 J R435 HF455560 Carbon Resistor 560.0 1/4 J...
Page 36 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK R508 HF458330 Carbon Resistor 330.0K 1/4 J R509 HF457220 Carbon Resistor 22.0K 1/4 J R510 VZ010600 Metal Film Resistor 560.0 1/4 F -512 HF455560 Carbon Resistor 560.0 1/4 J R513 HF457100 Carbon Resistor 10.0K 1/4 J...
Page 37 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK R647 HF457100 Carbon Resistor 10.0K 1/4 J R648 HF455220 Carbon Resistor 220.0 1/4 J -651 HF455220 Carbon Resistor 220.0 1/4 J R652 HF456120 Carbon Resistor 1.2K 1/4 J -659 HF456120 Carbon Resistor 1.2K 1/4 J...
Page 38 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK -120 VN478200 Diode D1NL20U D121 VU801600 Diode 1N4004L 26 -124 VU801600 Diode 1N4004L 26 D125 VD631600 Diode 1SS133,176,HSS104 -128 VD631600 Diode 1SS133,176,HSS104 D129 VG438400 Zener Diode MTZ J 6.8C 6.8V D130 VQ469600...
Page 39 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK Q126 VU418600 Transistor 2SC3468 D,E Q127 VU418400 Transistor 2SA1371 D,E Q128 VU418400 Transistor 2SA1371 D,E Q129N V 2 9 5 4 3 0 0 Pair Transistor B1647/D2560 -134N V 2 9 5 4 3 0 0...
Page 40 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK R207 VZ370200 Wire Wound Resistor 0.1 5W K R208 VV313600 Flame Proof C. Resistor 2.2 1/4 J R209 VV313600 Flame Proof C. Resistor 2.2 1/4 J R210 VZ370200 Wire Wound Resistor 0.1 5W K...
Page 41 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK C801 VV062800 Mylar Capacitor 0.1 50V J -804 VV062800 Mylar Capacitor 0.1 50V J C805 VZ012200 Ceramic Capacitor-B 0.001 500V K -808 VZ012200 Ceramic Capacitor-B 0.001 500V K C809 VV062800 Mylar Capacitor 0.1 50V J...
Page 42 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK Q711 VD678500 Digital Transistor DTA114ES R701 VV065200 Metal Film Resistor 4.7K 1/4 F -703 VV065200 Metal Film Resistor 4.7K 1/4 F R704 VZ009900 Metal Film Resistor 15K 1/4 F -715 VZ009900 Metal Film Resistor...
Page 43 XM6150 PART NO. DESCRIPTION REMARKS REF NO. RANK -803 Connector Assembly OUT G VH-2P (V457380) V 2 9 4 3 9 0 0 AC Cord VCTF 1.25X2 12A VZ021200 AC Cord SJT 3X#18 10A V 2 9 4 4 0 0 0 AC Cord H05VV-F0.75X3 6A...
Page 44 POWER AMPLIFIER XM4220 PARTS LIST CONTENTS OVERALL ASSEMBLY ..........2 ELECTRICAL PARTS ..........5 Notes : DESTINATION ABBREVIATIONS A : Australian model M : South African model B : British model O : Chinese model C : Canadian model Q : South-east Asia model D : German model T : Taiwan model E : European model...
Page 45 XM4220 OVERALL ASSEMBLY R160 R170 R100 R130 R20d R150 R20e R20a R110 R120 R140 R20b R20c...
Page 46 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY XM4220 Overall Assembly (V455470) Overall Assembly (V455480) Overall Assembly (V455490) Overall Assembly (V455500) Overall Assembly (V455510) V 2 9 4 2 8 0 0 Main Chassis Protector V 3 2 0 0 7 0 0 Spacer (V542880) V 2 9 4 3 9 0 0...
Page 47 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK EG340190 Bind Head Tapping Screw-B 4.0X8 MFZN2BL V 4 5 5 6 9 0 0 Front Panel VU859100 Escutcheon, Power Switch EG340190 Bind Head Tapping Screw-B 4.0X8 MFZN2BL VV104600 Cord Holder V 2 9 4 3 6 0 0 Top Cover EG340190 Bind Head Tapping Screw-B...
Page 48 XM4220 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK ELECTRICAL PARTS XM4220 Circuit Board DRV4 (V416200)(XW407C0) Circuit Board DRV4 (V416210)(XW407C0) Circuit Board DRV4 H,B,A,W (V416220)(XW407C0) AAX12990 Circuit Board DRV4 1/5 (XW407C0) AAX13000 Circuit Board DRV4 2/5 (XW407C0) AAX13010 Circuit Board DRV4 3/5 (XW407C0) Circuit Board...
Page 49 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK C434 VV060300 Mylar Capacitor 2200P 50V J C435 VZ354000 Ceramic Capacitor-F 0.0100 50V Z C436 FU451220 Mica Capacitor 22P 500V J C437 FU451220 Mica Capacitor 22P 500V J C438 UJ847100 Electrolytic Cap. 10.00 25.0V C457 VZ004000...
Page 50 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK LD604 VV621000 LT321-41-C13 GR J D CH SIGNAL LD604 V 3 0 9 1 9 0 0 LT032141BAC GR U,V,H,B,A,W D CH SIGNAL LD605 VV620800 LT311G-41-C13 RE J A CH CLIP LD605 V 3 0 9 1 8 0 0 LT311G41BAC RE U,V,H,B,A,W A CH CLIP...
Page 51 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK Q624 VD678700 Digital Transistor DTC114ES Q626 V 2 7 9 7 7 0 0 Transistor 2SC5395 E,F -628 VS883300 Transistor 2SB1565 E,F R401 HF456100 Carbon Resistor 1.0K 1/4 J R402 HF458330 Carbon Resistor 330.0K 1/4 J R403 V 2 9 6 1 3 0 0...
Page 52 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK R474 VV065100 Metal Film Resistor 2.2K 1/4 F R475 V 4 6 0 4 8 0 0 Metal Film Resistor 470.0 1/4 F R476 V 4 5 6 7 0 0 0 Metal Film Resistor 68.0 1/4 F R477...
Page 53 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK W601 Connector Assembly AC1 1P (V295030) W602 Connector Assembly AC2 1P (V295040) V 4 1 6 1 7 0 0 Circuit Board (XW404C0) VV104600 Cord Holder VV291400 Jumper Wire 0.60 C101 UJ896470 Electrolytic Cap.
Page 54 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK -160 VS135800 Diode Stack FMX-22S 10A 200V L101 V 4 6 6 8 3 0 0 Coil OH-20 100uH -104 V 4 6 6 8 3 0 0 Coil OH-20 100uH Q101 V 2 7 9 7 6 0 0 Transistor 2SA1993 E,F...
Page 55 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK R136 VZ008800 Flame Proof C. Resistor 22.0 1/4 J R137 VZ009100 Flame Proof C. Resistor 33.0 1/4 J R138 VZ009100 Flame Proof C. Resistor 33.0 1/4 J R139 VZ008800 Flame Proof C. Resistor 22.0 1/4 J R140 VZ008800...
Page 56 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK -265 VV313600 Flame Proof C. Resistor 2.2 1/4 J R266 VV313900 Flame Proof C. Resistor 680.0 1/4 J -269 VV313900 Flame Proof C. Resistor 680.0 1/4 J PR101 VM850500 Positive Thermistor PTH9M04BF222TS2 PR102 V L 9 6 4 8 0 0 Positive Thermistor...
Page 57 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK CN701 VP798200 Connector, FFC 52044 24P SE CN702 VP127700 Connector, FFC 52045 24P TE CN703 VQ045000 Connector, FFC 52044 20P SE CN704 VQ046400 Connector, FFC 52044 35P SE CN705 VQ045000 Connector, FFC 52044 20P SE CN706 VQ045000...
Page 58 XM4220 PART NO. DESCRIPTION REMARKS REF NO. RANK -747 V 3 0 2 8 9 0 0 Metal Film Resistor 56K 1/4 F R752 HF454180 Carbon Resistor 18.0 1/4 J -755 HF454180 Carbon Resistor 18.0 1/4 J R758 HF457150 Carbon Resistor 15.0K 1/4 J R759 HF457100...
Page 59 XM6150/XM4220 XM6150 OVERALL CIRCUIT DIAGRAM 1/3 (DRV6) XM4220 OVERALL CIRCUIT DIAGRAM 1/3 (DRV4) DRV6 DRV6 DRV6 DRV4 DRV4 DRV4 POWER ON / to REAR6 or REAR4 3/6 - CN710 AC IN KEC-92469-2 C622 DRV6J, H 10000 / 80V DRV6U 6800 / 80V...
Page 60 XM6150/XM4220 XM6150 OVERALL CIRCUIT DIAGRAM 2/3 (REAR6) XM4220 OVERALL CIRCUIT DIAGRAM 2/3 (REAR4) CHANNEL A CHANNEL B CHANNEL C CHANNEL D CHANNEL E CHANNEL F HPF 80 OFF HPF 80 OFF HPF 80 OFF HPF 80 OFF HPF 80 OFF...
Page 61 XM6150/XM4220 XM6150 OVERALL CIRCUIT DIAGRAM 3/3 (PA6) to REAR6 4/6 - CN801 to REAR6 4/6 - CN801 to REAR6 5/6 - CN806 to DRV6 3/5-CN610 to DRV6 3/5-CN611 to DRV6 3/5-CN612 to DRV6 1/5 - CN402 PTH9M04BF222TS2 PR101 to REAR6 5/6...

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