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.
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...
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...
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].
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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.
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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...
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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.
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...
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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)
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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...
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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...
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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...
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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...
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XM6150/XM4220 PA6 Circuit Board to DRV6(2/5)-CN410 to DRV6(1/5)-CN402...
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XM6150/XM4220 Component side 3NA-V416160-2...
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XM6150/XM4220 PA4 Circuit Board to DRV4(2/5)-CN410 to DRV4(1/5)-CN402...
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XM6150/XM4220 Component side 3NA-V416170-2...
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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)
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...