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POWERED SPEAKER
MSR400
SERVICE MANUAL
CONTENTS
SPECIFICATIONS ............................................................3
PERFORMANCE GRAPH ...................................................4
PANEL LAYOUT ..................................................4
CIRCUIT BOARD LAYOUT ..............................5
DIMENSIONS ......................................................................5
WIRING DIAGRAM ..............................................................5
IC BLOCK DIAGRAM ................................................6
DISASSEMBLY PROCEDURES ......................................6
CIRCUIT BOARDS ...................................................10
INSPECTIONS ......................................................................14
PARTS LIST
ECF BLOCK DIAGRAM
This document is printed on chlorine free (ECF) paper. OVERALL CIRCUIT DIAGRAM
PA 011777 HAMAMATSU, JAPAN
200505-86100 Copyright (c) Yamaha Corporation. All rights reserved. PDF-K185 '05.05
MSR400
IMPORTANT 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.
WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury,
destruction of expensive components and failure of the product to perform as specified. For these reasons, we
advise all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer
or the appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certification,
recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.
The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service
departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in
specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the
distributor's Service Division.
WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus).
IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable)
components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to
cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to
solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.
IMPORTANT NOTICE FOR THE UNITED KINGDOM
Connecting the Plug and Cord
IMPORTANT. The wires in this main lead are coloured in accordance with the following code:
GREEN-AND-YELLOW: EARTH
BLUE: NEUTRAL
BROWN: LIVE
As the colours of the wires in the mains lead of this apparatus may not correspond with the coloured markings identifying the terminals in
your plug proceed as follows:
The wire which is coloured GREEN-and-YELLOW must be connected to the terminal in the plug which is marked by the letter E or by the
safety earth symbol or colored GREEN or GREEN-and-YELLOW.
The wire which is coloured BLUE must be connected to the terminal which is marked with the letter N or coloured BLACK.
The wire which is coloured BROWN must be connected to the terminal which is marked with the letter L or coloured RED.
WARNING
Components having special characteristics are marked and must be replaced with parts having specification equal to
those originally installed.
2
MSR400
SPECIFICATIONS
· General specifications ·
Type
Bi-Amp 2-way bass reflex powered speaker 2
Speaker unit
LF: 30 cm cone LF 30cm
HF: 4.4 cm voice coil compression driver HF 4.4cm
Crossover frequency.............. 1.6 kHz (30 dB/oct.) ........1.6kHz 30dB/oct.
Frequency range .................... 50 Hz-20 kHz (10 dB) ....................50Hz 20kHz 10dB
Maximum output level .......... 121 dB (1 m on axis) ............121dB 1m
Directional angle ................... 90°(H)/40°(V) ....................................90° H /40° V
Dimensions (W x H x D)....... 406 x 652 x 351 mm W × H × D...406 × 652 × 351mm
Weight ................................... 23 kg ........................................23kg
Tripod pole diameter ............. 35 mm ................35mm
Accessories............................ Power cord (AC inlet type, 2.5 m) ................................ AC 2.5m
Owner's manual
Option.................................... Stand TS-70B, TS-80(B)T and ...................... TS-70B
TS-90(B)T TS-80(B)T TS-90(B)T
· Amp. unit ·
Maximum output power
LF: 225 W at 500 Hz, THD=1%, RL=4 LF 225W at 500Hz THD=1% RL=4
HF: 75 W at 5 kHz, THD=1%, RL=16 HF 75W at 5kHz THD=1% RL=16
Input sensitivity ..................... MIC/LINE: 36 dB/+4 dB* ................................MIC/LINE: 36dB/ 4dB*
Input impedance .................... MIC/LINE: 10 k ............MIC/LINE: 10k
Controls
LEVEL control LEVEL
EQ control ......................... LOW: ± 3 dB at 55 Hz EQ ..............LOW ± 3dB at 55Hz
HIGH: ± 3 dB (HF) HIGH ± 3dB HF
POWER switch.................. ON/OFF POWER .............ON/OFF
Connectors (all balanced)
LINE input/output ............. XLR-3-31, XLR-3-32, PHONE LINE ......................XLR-3-31 XLR-3-32
(They are all connected in parallel 3
and can be used as line outputs.)
MIC input .......................... XLR-3-31
Indicators MIC ...........................XLR-3-31
POWER ............................. Green LED
PEAK/LIMIT .................... Red LED POWER ........................ LED
Power requirement PEAK/LIMIT ................. LED
U, T.................................... 120 V, 60 Hz ........................................AC100V 50/60Hz
H, B, K, O.......................... 230 V, 50 Hz ................................110W
A ........................................ 240 V, 50 Hz
Power consumption ............... 110 W *0dB 0.775V
* 0 dB=0.775 V
3
MSR400
PERFORMANCE GRAPH
+10
RESPONSE (dB)
0 +3
0 +3
-3 0
10 -3
20
30
40
20 100 1k 10k
FREQUENCY (Hz)
PANEL LAYOUT
· Rear Panel
7
6
5
4
1 2 3
1 AC IN connector 1 AC IN
2 POWER switch 2 POWER
3 INPUT/THRU connectors 3 INPUT/THRU
4 LEVEL control 4 LEVEL
5 EQ control 5 EQ
6 PEAK/LIMIT indicator 6 PEAK/LIMIT
7 POWER indicator 7 POWER
4
MSR400
CIRCUIT BOARD LAYOUT DIMENSIONS
2-M8 depth 17
150
197
AMP
652
Unit: mm
406 351
MIX
INPUT
AC INLET SW
WIRING DIAGRAM
AMP
TWEETER
BLUE/BLK BLUE _
MIX CN105
CN104 RED/BLK
YELLOW +
CN204
CN203
(4P)
CN201
4 HF-
(6P)
3 HF+
CN102
(5P)
2 LF+
LF-
CN205
1
RED +
WOOFER
_
BLACK
CN202
CN103
(6P)
GND1 (6P)
HUM GND
YELLOW BROWN
INPUT
GND2 Power
N
Transformer CN106 CN107
CN101 AC.IN
(5P) (3P) (3P) L
SW AC INLET
5
MSR400
IC BLOCK DIAGRAM
· NJM2068L-D (AAX64880)
INPUT: IC102
MIX: IC103, IC104, IC105, IC106, IC107, IC108, IC109
Operational Amplifier
+ +
A B
1 2 3 4 5 6 7 8
OUT IN +IN V +IN IN OUT +V
A A A B B B
DISASSEMBLY PROCEDURES
· Preparing ·
A screwdriver with a long shaft is required to remove some
screws.
220mm or more
1. Amplifier Assembly 1. Ass'y
(Time required: about 5 minutes) ( 5 )
1-1. Remove the twelve (12) screws marked [21]. The amplifier 1-1. [21] 12 Ass'y ( 1)
assembly can be removed. (Fig.1)
2. Rear Cabinet and Front Cabinet 2.
(Time required: about 10 minutes) ( 10 )
2-1. Remove the eighteen (18) screws marked [18]. The front 2-1. [18] 18
cabinet can then be removed from the rear cabinet. (Fig.1) ( 1)
3. Woofer (Time required: about 15 minutes) 3. 15 )
3-1. Remove the front cabinet from the rear cabinet. (See 3-1.
procedure 2.) (2 )
3-2. Remove the four (4) screws marked [1] and the front grille. 3-2. [1]4 (1)
(Fig.1) 3-3. [6] 4 ( 1)
3-3. Remove the four (4) screws marked [6]. Then the woofer
can be removed. (Fig.1)
4. Tweeter (Time required: about 15 minutes) 4. 15
4-1. Remove the front cabinet from the rear cabinet. (See 4-1.
procedure 2.) (2 )
4-2. Remove the four (4) screws marked [9]. Then the tweeter 4-2. [9] 4
can be removed with the bracket. (Fig.1) ( 1)
4-3. Remove the two (2) screws marked [32] and the two 4-3. [32] 2 [31] 2
washers marked [31]. Then the tweeter can be removed ( 1)
from the bracket. (Fig.1)
6
MSR400
[21] [18] [21] [31] [32]
[31]
[32]
[18] [18]
[17]
[17]
[9] [9]
[6]
[1] Tweeter
[18]
[18]
[17]
[17]
[21] [18] [21]
[1]: Bind Head Tapping Screw-B 4x12 MFZN2BL (AAX64800)
[6]: Pan Head Screw 5x25 MFZN2BL (AAX66970)
[9]: Bind Head Tapping Screw-B 5x25 MFZN2BL (AAX64820)
[17]: Bind Head Screw 5x20 MFZN2BL (AAX64790)
[18]: Bind Head Tapping Screw-B 5x45 MFZN2BL (AAX64830)
[21]: Bind Head Tapping Screw-B 4x16 MFZN2BL (AAX64810)
[31]: Spring Washer (AAX66990)
[32]: Bind Head Screw 6x12 MFZN2BL (AAX64780)
Fig.1 1
7
MSR400
5. AMP/INPUT/MIX/SW/AC INLET Circuit Boards 5. AMP/INPUT/MIX/SW/AC INLET
(Time required: about 7 minutes each) ( 7 )
5-1. Remove the amplifier assembly. (See procedure 1.) 5-1. Ass'y (1 )
5-2. Each circuit boards should be removed in proper order as 5-2.
follows: a) AMP
a) AMP circuit board: Disconnect the connectors, and then ( 2)
remove the screws mentioned in the table below. (Fig.2) b) INPUT/MIX/SW/AC INLET
b) INPUT/MIX/SW/AC INLET circuit boards:
Remove the knobs and screws, and then disconnect the ( 2 1)
connectors mentioned in the table below. (Fig.2, Photo.1)
PCB Name REF No. Description QTY
AMP CN201/CN202/CN203/ Connector One for each
Circuit Board CN204/CN205 (total 5)
A24 Bind Head Sems Screw 3x12 MFZN2BL (AAX64760) 13
A1 Bind Head Screw 3x6 MFZN2BL (AAX64740) 5
INPUT CN101 Connector 1
Circuit Board A16 Phone Jack Nut (--) 1
A14 Bonding Tapping Screw-B 3x8 MFZN2BL (AAX64840) 4
MIX CN102/CN103/CN104/ Connector One for each
Circuit Board CN105 (total 4)
A1 Bind Head Screw 3x6 MFZN2BL (AAX64740) 4
SW CN106/CN107 Connector One for each
Circuit Board (total 2)
A1 Bind Head Screw 3x6 MFZN2BL (AAX64740) 2
AC INLET CN106 Connector 1
Circuit Board A1 Bind Head Screw 3x6 MFZN2BL (AAX64740) 2
A8 Bind Head Tapping Screw-B 4x8 MFZN2BL (AAX64730) 1
A13 Bind Head Screw 3x10 MFZN2BL (AAX64750) 2
There is a GND wire connected the MIX and INPUT circuit boards with solder. When removing the MIX or INPUT circuit
boards, remove both of them simultaneously and remove solder on GND terminals. The MIX and INPUT circuit boards can
then be separeted.
MIX INPUT MIX INPUT
6. Power Transformer 6.
(Time required: about 7 minutes) 7
6-1. Remove the amplifier assembly. (See procedure 1.) 6-1. Ass'y
6-2. Remove the four (4) screws marked [A18]. The power 6-2. [A18]
transformer can then be removed. (Fig.2)
8
MSR400
7. Handle (Time required: about 13 minutes) 7. 13
7-1. Remove the rear cabinet. (See procedure 2.) 7-1.
7-2. Remove the eight (8) screws marked [17] and then the 7-2. [17] 8 1
handles can then be removed. (Fig.1)
speaker
[A1]
+HF
+LF
-HF
-LF
CN203
AMP
[A24]
BLUE
BLK
CN204
[A24]
[A1] CN205
BLK
RED
CN201
CN202
CN104
CN103 [A1]
CN105
[A1]
[A8]
[A18] MIX
[A16]
+1.5V
-1.5V
GND
SIG
SG
CN102 CN107
[A14]
CN101
[A13] AC INLET
INPUT
CN106 SW
[A1]: Bind Head Screw 3x6 MFZN2BL (AAX64740)
[A8]: Bind Head Tapping Screw-B 4x8 MFZN2BL (AAX64730)
[A13]: Bind Head Screw 3x10 MFZN2BL (AAX64750)
[A14]: Bonding Tapping Screw-B 3x8 MFZN2BL (AAX64840)
[A16]: Phone Jack Nut (--)
[A18]: Bind Head Screw 4x8 MFZN2BL (AAX64770)
[A24]: Bind Head Sems Screw 3x12 MFZN2BL (AAX64760)
(--): Not available as spare parts
(--):
Fig.2 2
[A8]
Photo.1 1
9
10
MSR400
· AMP Circuit Board
CIRCUIT BOARDS
IDLING ADJ. to TWEETER (HF+/HF)
to MIX-CN103 to MIX-CN104 to WOOFER (LF+/LF)
to TRANSFORMER to MIX-CN105 IDLING ADJ.
Component side
Pattern side
MSR400
11
MSR400
· MIX Circuit Board · INPUT Circuit Board
to AMP-CN201 HUM GND Wire
to AMP-CN204
to AMP-CN205 LEVEL
PEAK/LIMIT
LINE OUT
(XLR)
POWER
LINE IN LINE/MIC IN
(PHONE) (XLR)
HIGH LOW
EQ
Component side Component side
Pattern side
Pattern side
12
MSR400
· SW Circuit Board
to AC IN
POWER
to TRANSFORMER
Component side Pattern side
· AC INLET Circuit Board
AC IN
Component side Pattern side
13
MSR400
INSPECTIONS
1. Measuring conditions
1-1. Measuring voltage: AC 120 V, 60 Hz (U)
AC 230 V, 50 Hz (H, B)
AC 240 V, 50 Hz (A)
AC 220 V, 60 Hz (K)
AC 110 V, 60 Hz (T)
AC 220 V, 50 Hz (O)
1-2. Load resistance: LF: 4 / Power capacity 500 W
HF: 16 / Power capacity 200 W
1-3. LEVEL control setting: Center click position (+4 dB)
1-4. EQ LOW control setting: Center click position (0)
1-5. EQ HIGH control setting: Center click position (0)
1-6. Room temperature: 24±4
2. Inspections
2-1. Power on muting time:
Check that the muting function is cancelled and the relay turns on in 3±1 seconds after the power switch is turned on.
Also, check the POWER indicator lights up.
2-2. Idling current adjustment:
Adjust VR201 and VR202 so that the voltage between pins 1 and 2 of CN206 and CN207 becomes 1±0.2 mV respectively.
2-3. General inspections:
Measure the following items in condition given below, and check the following values are satisfied.
Items Conditions Values
Input Output Typical Limited
1 Output power LF LEVEL: Max. 1% THD output 230 W 225 W
HF LEVEL: Max. 80 W 75 W
2 Voltage gain LF 42 dB, 500 Hz input, LEVEL: Max. 26 dB 26±1.5 dB
HF 34 dB, 5 kHz input, LEVEL: Max. 29 dB 29±1.5 dB
3 EQ characteristic LF EQ LOW: Min.(Ref.: 55 Hz, EQ LOW: Center) (Ref: The gain 3 dB 3±1 dB
EQ LOW: Max.(Ref.: 55 Hz, EQ LOW: Center) when the EQ LOW +3 dB +3±1 dB
or HIGH is at the
HF EQ HIGH: Min.(Ref.: 15 kHz, EQ HIGH: Center) center click position 3 dB 3±1 dB
EQ HIGH: Max.(Ref.: 15 kHz, EQ HIGH: Center) as 0 dB) +3 dB +3±1 dB
4 Frequency response LF 55 Hz input (Ref.: 500 Hz) (Ref.: 1 W output) +8 dB +8±1 dB
characteristic 1 kHz input (Ref.: 500 Hz) +1 dB +1±1 dB
2 kHz input (Ref.: 500 Hz) 8 dB 8±2 dB
HF 1 kHz input (Ref.: 6.5 kHz) (Ref.: 1 W output) 22.5 dB 22.5±3 dB
2 kHz input (Ref.: 6.5 kHz) 4.5 dB 4.5±1 dB
15 kHz input (Ref.: 6.5 kHz) +7.5 dB +7.5±2 dB
5 DC offset LF without signal input ±8 mV ±8±20 mV
HF without signal input ±10 mV ±10±20 mV
6 S/N ratio LF 500 Hz input, LEVEL: Max. 225W output 75 dB 70 dB
(with A-weight filter) HF 5 kHz input, LEVEL: Max. 85 W output 70 dB 65 dB
7 Gain/Efficiency LF 500 Hz input 30 W output 110 W 110+10/30 W
(Primary side power consumption) HF 5 kHz input 4 W output 25 W 25±10 W
8 Noise level LF LEVEL: Min., grounded with two 600 resistance 1 mV 1.7 mV
(with 20 Hz-20kHz filter) HF LEVEL: Min., grounded with two 600 resistance 1 mV 1.2 mV
2-4. Protection circuit test:
Apply DC+5 V (power supply output resistance = 10 k) between pins 1 and 2 of the connector CN209 and check that the relay
turns off within 1 second. Also, check that it returns automatically within 10 seconds when the DC+5 V is shut off.
14
MSR400
1.
1-1. : AC100V 50/60Hz
1-2. : LF 4 / 500W
HF 16 / 200W
1-3. LEVEL : 4dB
1-4. EQ LOW : 0
1-5. EQ HIGH : 0
1-6. : 24 4
2.
2-1. :
ON 3 ± 1 ON
POWER
2-2. :
CN206 CN207 1-2 1 ± 0.2mV VR201 VR202
2-3. :
1 LF LEVEL 1 THD 230W 225W
HF LEVEL 80W 75W
2 LF 42dB 500Hz LEVEL 26dB 26 1.5dB
HF 34dB 5kHz LEVEL 29dB 29 1.5dB
3 LF EQ LOW 55Hz EQ LOW EQ LOW 3dB 3 1dB
EQ LOW 55Hz EQ LOW HIGH 3dB 3 1dB
HF EQ HIGH 15kHz EQ HIGH 3dB 3 1dB
EQ HIGH 15kHz EQ HIGH 0dB 3dB 3 1dB
4 LF 55Hz 500Hz 1W 8dB 8 1dB
1kHz 500Hz 1dB 1 1dB
2kHz 500Hz 8dB 8 2dB
HF 1kHz 6.5 kHz) 1W 22.5dB 22 . 5 3dB
2kHz 6.5 kHz) 4.5dB 4.5 1dB
15kHz 6.5 kHz) 7.5dB 7.5 2dB
5 DC LF 8mV 8 20mV
HF 10mV 10 20mV
6 SN A LF 500Hz LEVEL 225W 75dB 70dB
HF 5kHz LEVEL 85W 70dB 65dB
7 / LF 500Hz 30W 110W 110 10/ 30W
HF 5kHz 4W 25W 25 10W
8 20Hz- LF LEVEL 600 2 1mV 1.7 mV
20kHz HF LEVEL 600 2 1mV 1.2 mV
2-4. :
CN209 1-2 DC 5V 10k 1 OFF
DC 5V 10
15
MSR400
POWERED SPEAKER
MSR400
PARTS LIST
CONTENTS
OVERALL ASSEMBLY 2
AMPLIFIER ASSEMBLY Ass'y 4
ELECTRICAL PARTS 6
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 U: U.S.A. model
F: French model V: General export model (110V)
H: North European model W: General export model (220V)
I: Indonesian model N,X: General export model
J: Japanese model Y: Export model
K: Korean model
WARNING
Components having special characteristics are marked and must be replaced with parts having
specification equal to those originally installed.
· The numbers "QTY" show quantities for each unit.
· The parts with "--" in "PART NO." are not available as spare parts.
· This mark " } " in the REMARKS column means these parts are interchangeable.
· The second letter of the shaded ( ) part number is O, not zero.
· The second letter of the shaded ( ) part number is I, not one.
QTY
PART NO. "--"
REMARKS
PART NO. 2
PART NO. 2
2
MSR400
OVERALL ASSEMBLY
14k EMI Core (Korea model only) 17
14 Rear Cabinet Assembly
27 C Ass'y
21
14d
18
Rear Cabinet 14j
14c
1
30 15
20
9 29
Amplifier Assembly
31 (See page 4)
32 14i Ass'y
4
19
1
8 33
14e 1
14f 17
2e 6
14b
16
14g
14h 15
14a
10a
7
10b
2d 10c
2a 10d
2b 2c 10 Front Cabinet Assembly
C Ass'y
2 Front Grille Assembly
Ass'y
MSR400
REF NO. PART NO. DESCRIPTION REMARKS QTY RANK
OVERALL ASSEMBLY MSR400
-- Overall Assembly J
-- Overall Assembly U
-- Overall Assembly H,B
-- Overall Assembly A
-- Overall Assembly K
-- Overall Assembly T
-- Overall Assembly O
* 1 AAX64800 Bind Head Tapping Screw-B 4x12 MFZN2BL 2954-4012-3000 8
* 2 AAX70770 Front Grille Assembly ' SVC-YA010C-GRILL
2a -- Logo Badge YAMAHA(AAX66690) 2150-7031-0
2b -- Cushion Badge (AAX65010) 4149-0671-0
2c -- Front Grille (AAX66470) 4135-5131-0
2d -- Push Nut (AAX66480) 2610-4003-1207 2
2e -- Packing Grille (AAX66330) 4149-0691-0 4
* 6 AAX66970 Pan Head Screw 5x25 MFZN2BL 2920-5025-3000 4
* 7 AAX65290 Speaker LF WOOFER SVC-8900-6530-0
* 8 AAX66320 Packing Woofer 4149-0781-0 2
* 9 AAX64820 Bind Head Tapping Screw-B 5x25 MFZN2BL 2954-5025-3000 4
* 10 AAX70780 Front Cabinet Assembly ' SVC-YA010C-FRONT
10a -- Front Cabinet (AAX66460) 1466-9302-0
10b -- Packing Front Cabinet
* 10c AAX65210 Rubber Foot 4157-0771-0 2
* 10d AAX64820 Bind Head Tapping Screw-B 5x25 MFZN2BL 2954-5025-3000 2
* 14 AAX70790 Rear Cabinet Assembly ' J,U,H,B,A,T,O SVC-YA010C-REAR
* 14 AAX70800 Rear Cabinet Assembly ' K SVC-YA017C-REAR
14a -- Rear Cabinet (AAX66590) 1466-9402-0
* 14b AAX66450 Flange Nut M5 MFZN2Y 4135-5541-0 8
* 14c AAX65270 Screw Hanging 12x20 2A0Z-1220-0Z0Z 2
* 14d AAX66280 Hang Cover 4155-0981-0 2
* 14e AAX66700 Washer Rectangle 4135-5141-0 2
* 14f AAX66440 Flange Nut M12 MFZN2Y 4135-5531-0 2
* 14g AAX65210 Rubber Foot 4157-0771-0 2
* 14h AAX64820 Bind Head Tapping Screw-B 5x25 MFZN2BL 2954-5025-3000 2
* 14i AAX65300 Speaker Wire 4P P=3.96 #18 L550 7012-6970-0
14j -- Acoustic Wool (AAX64970) 4153-0461-0
14k -- EMI Core GSRC-110-B K SPKOUT 1808-0830-0 2
* 15 AAX66310 Handle Rubber 4157-0781-0 2
* 16 AAX66290 Handle Right 4155-0653-0
* 17 AAX64790 Bind Head Screw 5x20 MFZN2BL 2904-5020-3000 8
* 18 AAX64830 Bind Head Tapping Screw-B 5x45 MFZN2BL 2954-5045-3000 18
* 19 AAX64960 Eyebolt Shoulder 4135-5161-0
* 20 AAX70120 Amplifier Assembly ' J SVC-YA012C-AMPJ
* 20 AAX70130 Amplifier Assembly ' U SVC-YA010C-AMPU
* 20 AAX70140 Amplifier Assembly ' H,B SVC-YA011C-AMPH
* 20 AAX70150 Amplifier Assembly ' A SVC-YA014C-AMPA
* 20 AAX70810 Amplifier Assembly ' K SVC-YA017C-AMP
* 20 AAX70820 Amplifier Assembly ' T SVC-YA016C-AMP
* 20 AAX70830 Amplifier Assembly ' O SVC-YA018C-AMP
* 21 AAX64810 Bind Head Tapping Screw-B 4x16 MFZN2BL 2954-4016-3000 12
* 27 AAX66300 Handle Left 4155-0654-0
* 28 AAX64940 PE Form Baffle 4149-0701-0 4
* 29 AAX65280 Speaker HF TWEETER SVC-8900-3680-0
* 30 AAX66490 Bracket Tweeter 4135-5101-0
* 31 AAX66990 Spring Washer 2607-6212-1200 2
* 32 AAX64780 Bind Head Screw 6x12 MFZN2BL 2904-6012-3000 2
* 33 AAX66340 Packing Horn 4149-0681-0
ACCESSORIES
* AAX66800 AC Cord L=2.5m JAPAN VOLEX J 7012-6979-0
* AAX66820 AC Cord L=2.5m US VOLEX U,T 7012-6981-0
* AAX66810 AC Cord L=2.5m EU TINHOW H,A 7012-6980-0
* AAX66790 AC Cord L=2.5m UK LONGWELL B 7012-6978-0
* AAX66830 AC Cord L=2.5m KOREA K 7012-6996-0
* AAX66780 AC Cord L=2.5m CCCLONGWELL O 7012-6977-0
*: New Parts RANK: Japan only
3
MSR400
AMPLIFIER ASSEMBLY Ass'y
A20
A19
A23
A21
A1
A24
A7 A17
A6
A18
A22
A16
A14
A1
A15
A3
A13
A1 A11
A12
A5
A2
A8
A4 A9
A1
A10
4
MSR400
REF NO. PART NO. DESCRIPTION REMARKS QTY RANK
AMPLIFIER ASSEMBLY '
* AAX70120 Amplifier Assembly ' J SVC-YA012C-AMPJ
* AAX70130 Amplifier Assembly ' U SVC-YA010C-AMPU
* AAX70140 Amplifier Assembly ' H,B SVC-YA011C-AMPH
* AAX70150 Amplifier Assembly ' A SVC-YA014C-AMPA
* AAX70810 Amplifier Assembly ' K K SVC-YA017C-AMP
* AAX70820 Amplifier Assembly ' T SVC-YA016C-AMP
* AAX70830 Amplifier Assembly ' O SVC-YA018C-AMP
* A1 AAX64740 Bind Head Screw 3x6 MFZN2BL 2904-3006-3000 13
* A2 AAX64930 PCB Cover 1454-2400-0
* A3 AAX65250 Circuit Board MIX SVC-YA010C-MIXER
* A4 AAX67010 Fiber Paper 80x65 3100-4541-0
* A5 AAX65240 Circuit Board INPUT SVC-YA010C-INPUT
* A6 AAX66860 Power Transformer J 1806-3847-0
* A6 AAX66870 Power Transformer U,T 1806-3846-0
* A6 AAX66850 Power Transformer H,B,K,O 1806-3848-0
* A6 AAX66840 Power Transformer A 1806-3866-0
* A7 AAX67000 Transformer Cushion 4149-0801-0 2
* A8 AAX64730 Bind Head Tapping Screw-B 4x8 MFZN2BL 2954-4008-3000
* A9 AAX66500 Bracket Power 4135-5121-0
* A10 AAX66350 Circuit Board AC Inlet J SVC-YA012C-INLET
* A10 AAX70740 Circuit Board AC Inlet U,H,B,A,K,T,O SVC-YA010C-INLET
* A11 AAX65260 Circuit Board SW SVC-YA012C-SW
* A12 AAX66630 Rear Panel J 1405-4804-0
* A12 AAX66660 Rear Panel U 1405-4802-0
* A12 AAX66620 Rear Panel H,B 1405-4803-0
* A12 AAX66600 Rear Panel A 1405-4805-0
* A12 AAX66650 Rear Panel K 1405-4808-0
* A12 AAX66640 Rear Panel T 1405-4807-0
* A12 AAX66610 Rear Panel O 1405-4809-0
* A13 AAX64750 Bind Head Screw 3x10 MFZN2BL 2904-3010-3000 2
* A14 AAX64840 Bonding Tapping Screw-B 3x8 MFZN2BL 2A54-3008-3000 4
* A15 AAX64950 Power SwitchKnob POWER ON/OFF 2447-0101-0
A16 -- Phone Jack Nut with Phone
* A17 AAX66680 Knob Rotation EQ,LEVEL,INPUT 2447-0501-0 3
* A18 AAX64770 Bind Head Screw 4x8 MFZN2BL 2904-4008-3000 4
A19 -- Heat Sink 5400-9601-0
* A20 AAX64980 Amp Brass Pole