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QQ
3 7 63 1515 0
TE
L 13942296513
www
.
PA
011409
19980915-30000
http://www.xiaoyu163.com
CONTENTS
SPECIFICATIONS
DIMENSIONS
PANEL LAYOUT
CIRCUIT BOARD LAYOUT
BLOCK & LEVEL DIAGRAM
DISASSEMBLY PROCEDURE
CIRCUIT BOARD
IC BLOCK DIAGRAM
OVERALL CIRCUIT DIAGRAM
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u163
PARTS LIST
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http://www.xiaoyu163.com
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SERVICE MANUAL
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HAMAMATSU, JAPAN
1.94K-482
Printed in Japan '98.08
MSP5
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   Summary of Contents for Yamaha MSP5

  • Page 1

    MSP5 3 7 63 1515 0 SERVICE MANUAL L 13942296513 CONTENTS SPECIFICATIONS ..........3 DIMENSIONS ............3 PANEL LAYOUT ........4 CIRCUIT BOARD LAYOUT ....4 BLOCK & LEVEL DIAGRAM ..5 DISASSEMBLY PROCEDURE ......6 CIRCUIT BOARD ........... 8 IC BLOCK DIAGRAM ........

  • Page 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.

  • Page 3: Specifications

    MSP5 3 7 63 1515 0 SPECIFICATIONS General specifications Type Bi-Amp 2-way Bass Reflex Powered Speaker Crossover Frequency 2.5 kHz Frequency Range 50 Hz-40 kHz Maximum Output Level 101 dB (1 m on Axis) Dimensiones (W x H x D)

  • Page 4

    MSP5 3 7 63 1515 0 PANEL LAYOUT 1 Power indicator 2 VOL(Volume)control 3 POWER switch 4 TRIM switches 5 INPUT jacks L 13942296513 CIRCUIT BOARD LAYOUT Tweeter Power Transformer MAIN 2/5 Woofer MAIN 5/5 MAIN 1/5 u163 MAIN 4/5 MAIN 3/5 http://www.xiaoyu163.com...

  • Page 5

    MSP5 3 7 63 1515 0 BLOCK & LEVEL DIAGRAM IC101 Tweeter L 13942296513 IC202 Woofer u163 http://www.xiaoyu163.com...

  • Page 6

    MSP5 3 7 63 1515 0 DISASSEMBLY PROCEDURE Remove the speaker cabinet first. Woofer Remove the four (4) screws marked [110]. The woofer can then be removed. (Fig. 1) Amplifier Assembly Remove the woofer. (See procedure 1) Remove the eight (8) screws marked [130] and the two (2) screws marked [A180].

  • Page 7

    MSP5 MSP5 3 7 6 3 1 5 1 5 0 Power Transformer MAIN 4/5 Circuit Board Remove the woofer. (See procedure 1) Remove the woofer. (See procedure 1) Remove the amplifier assembly. (See procedure 2) Remove the amplifier assembly. (See procedure 2) Remove the three (3) screws marked [A150A] and Remove the knob marked [60] and the nut.

  • Page 8

    MSP5 MSP5 3 7 6 3 1 5 1 5 0 CIRCUIT BOARD MAIN 1/5 , MAIN 2/5 Circuit Board MAIN 4/5 Circuit Board MAIN 5/5 Circuit Board to MAIN 3/5-CN103 Component side to MAIN 1/5-CN201 Component side VOLUME...

  • Page 9

    MSP5 MSP5 OVERALL CIRCUIT DIAGRAM 3 7 6 3 1 5 1 5 0 MAIN 4/5 VOL. MAIN 1/5 POWER AMP MAIN 2/5 MAIN 3/5 LINE OP AMP SPEAKER 25mm OP AMP SPEAKER 12cm LINE HIGH 1 3 9 4 2 2 9 6 5 1 3...

  • Page 10: Parts List

    http://www.xiaoyu163.com 3 7 63 1515 0 PARTS LIST L 13942296513 CONTENTS OVERALL ASSEMBLY ..........2 ELECTRICAL PARTS ..........4 Notes : DESTINATION ABBREVIATIONS : Australian model : Japanese model : British model M : South African model C : Canadian model Q : South-east Asia model D : German model U : U.S.A.

  • Page 11

    MSP5 3 7 63 1515 0 OVERALL ASSEMBLY Amp Assembly A120 A150 A100 A150 A151 A140 A150 A110 A200 A190 A180 A160 A151 A170 A230 A131 A180 A50a A130 L 13942296513 A50b A50d A50c u163 http://www.xiaoyu163.com...

  • Page 12

    MSP5 3 7 63 1515 0 PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY MSP5 V 2 4 3 5 5 0 0 Speaker Cabinet XU973A00 Speaker 12cm 4 ohm XU974A00 Speaker 25mm 6 ohm V 2 4 3 5 6 0 0...

  • Page 13

    MSP5 3 7 63 1515 0 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK Circuit Board J,U,C (V240650) Circuit Board H,B,A (V240660) NX819520 Circuit Board MA 1/5,2/5 NX819540 Circuit Board MA 3/5 J,U,C NX819570 Circuit Board MA 3/5...

  • Page 14

    MSP5 3 7 63 1515 0 PART NO. DESCRIPTION REMARKS REF NO. RANK CN108 Connector Assembly B&C 2C L180 (V242040) CN201 VV066200 Connector Base Post M2426XX 2P TE CN204 LB932040 Base Post Connector VH- 4P TE CN205 LB932030 Base Post Connector...

  • Page 15

    MSP5 3 7 63 1515 0 PART NO. DESCRIPTION REMARKS REF NO. RANK R222 VV312400 Metal Film Resistor 3.9K 1/4 F R223 VV066100 Metal Film Resistor 47K 1/4 F R224 VV312400 Metal Film Resistor 3.9K 1/4 F R225 VV276800 Flame Proof C.

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