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3 7 63 1515 0
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L 13942296513
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011488
20000125-75000
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CONTENTS
SPECIFICATIONS
PANEL LAYOUT
BLOCK DIAGRAM
CIRCUIT BOARD LAYOUT
DIMENSIONS
DISASSEMBLY PROCEDURE
CIRCUIT BOARD
INSPECTIONS
OVERALL CIRCUIT DIAGRAM
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MSP10
SERVICE MANUAL
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HAMAMATSU, JAPAN
0.29K-4821
Printed in Japan '99.12
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   Summary of Contents for Yamaha MSP10

  • Page 1

    3 7 63 1515 0 MSP10 SERVICE MANUAL L 13942296513 CONTENTS SPECIFICATIONS ..........3 PANEL LAYOUT ........4 BLOCK DIAGRAM ........ 4 CIRCUIT BOARD LAYOUT ....4 DIMENSIONS ............4 DISASSEMBLY PROCEDURE ......5 CIRCUIT BOARD ........... 6 INSPECTIONS ............

  • 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 ÏWre specifically Yamaha Products, are already known and under- stood by the users, and have therefore not been restated.

  • Page 3

    MSP10 3 7 6 3 1 5 1 5 0 SPECIFICATIONS General specifications Type........... Amplified 2Way Bass Reflex Powered Speaker (Bi-Amp.) Crossover Frequency ....2.0 kHz, 30 dB/oct Frequency Range ....... 40 Hz to 40 kHz (–10 dB) Sensitivity ........–10 dB at –6 dB position (for 100 dB/SPL, 1 m on Axis) Maximum Output Level .....

  • Page 4

    MSP10 3 7 6 3 1 5 1 5 0 PANEL LAYOUT CIRCUIT BOARD LAYOUT Rear panel Front panel +4dB MAIN 1/5 –6dB –2 –1 –1 SENSITIVITY INPUT HIGH (80Hz) TRIM LOW CUT MAIN 5/5 MAIN 2/5 MAIN 3/5...

  • Page 5

    MSP10 3 7 6 3 1 5 1 5 0 DISASSEMBLY PROCEDURE [A130] Woofer Remove the six (6) screws marked [110a]. The Tweeter woofer can then be removed. (Fig. 1) Tweeter [A170] [A170] Remove the four (4) screws marked [110b]. The...

  • Page 6

    MSP10 3 7 6 3 1 5 1 5 0 CIRCUIT BOARD MAIN Circuit Board MAIN 3/5 MAIN 1/5 CN101: to MA2/5-CN506 CN606: to MA2/5-CN610 CN501: to MA5/5-CN608 CN504: to CN609: to Tweeter, Woofer MA2/5-CN604 HIGH ON/OFF SENSITIVITY INPUT...

  • Page 7

    MSP10 3 7 63 1515 0 INSPECTIONS Preparation Load resistance Speaker terminal (CN504: 4-3PIN) RL = 4W (CN504: 1-2PIN) RL = 8W Knob SENSITIVITY MAX (-6 dB) TRIM HIGH LOW CUT RL: Non-inductive resistance, 200W or more power Inspection and Adjustment 1.

  • Page 8

    MSP10 3 7 63 1515 0 8. Variation Response of TRIM Use the output level when the TRIM (HIGH, LOW) is “0” as reference (0dB) for the speaker terminals LF and HF respectively, check that the output level varies as shown in the table below when 50 Hz and 10 kHz, -20 dBu sine wave signals are applied to LINE IN.

  • Page 9

    MSP10 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 10

    MSP10 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 11: Parts List

    3 7 63 1515 0 MSP10 PARTS LIST CONTENTS OVERALL ASSEMBLY ..........2 ELECTRICAL PARTS ..........4 L 13942296513 Notes : DESTINATION ABBREVIATIONS A : Australian model M : South African model B : British model O : Chinese model...

  • Page 12

    MSP10 3 7 63 1515 0 OVERALL ASSEMBLY A170 A50a A130 A110 A50b A140 A150 A180 A100 R80a A180 A50c A160 L 13942296513 A50d A140 A120 A50e u163 http://www.xiaoyu163.com...

  • Page 13

    MSP10 3 7 63 1515 0 PART NO. DESCRIPTION REMARKS REF NO. RANK OVERALL ASSEMBLY MSP10 Overall Assembly (V434980) Overall Assembly U, V (V435000) Overall Assembly H, W (V435010) Overall Assembly (V435410) Overall Assembly (V435030) V 4 3 5 0 5 0 0...

  • Page 14

    MSP10 3 7 63 1515 0 ELECTRICAL PARTS PART NO. DESCRIPTION REMARKS REF NO. RANK ELECTRICAL PARTS MSP10 AAX08840 Circuit Board MAIN 1/5 (XW548C0) AAX08850 Circuit Board MAIN 2/5 (XW548C0) AAX08860 Circuit Board MAIN 3/5 (XW548C0) AAX08870 Circuit Board...

  • Page 15

    MSP10 3 7 63 1515 0 PART NO. DESCRIPTION REMARKS REF NO. RANK Q418 VR152900 Transistor 2SC3790 E,F Q419 VQ547300 Transistor 2SC4793 (HFE) Q420 VR152900 Transistor 2SC3790 E,F Q421 VR152800 Transistor 2SA1480 E,F Q422 VR152800 Transistor 2SA1480 E,F Q423...

  • Page 16

    MSP10 3 7 63 1515 0 PART NO. DESCRIPTION REMARKS REF NO. RANK FU451220 Mica Capacitor 22P 500V J C:308,309,408,409 VY704000 Capacitor 4700P 400V J.U.C.S C:601 HF455100 Carbon Resistor 100.0 1/4 J R:301,401,509 HF455220 Carbon Resistor 220.0 1/4 J...

  • Page 17

    http://www.xiaoyu163.com MSP-10 OVERALL CIRCUIT DIAGRAM MSP-10 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 MSP-10 MSP-10 http://www.xiaoyu163.com...

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