Page 1
SERVICE
MANUAL
PROFESSIONAL STEREO
MIXER
MX-1424/1424EX/1824/1824EX
Page 2
CONTENTS
Specifications
Electrical Parts List
Top and Bottom View of P.C. Board
Wiring Diagram ······················16
Block Diagram ······················17
Schematic Diagram ····················18 ~ 46
Exploded View of Cabinet & Chassis / Mechanical Parts List ··47, 48, 49, 50
Ass’y Drawing ······················51, 52, 53, 54
······················1, 2
····················
·············11, 12, 13, 14, 15
3, 4, 5, 6, 7, 8, 9, 10
Page 3
SPECIFICATIONS
GENERAL
Maximum Output Level
(0.5% T.H.D at 1kHz)
T.H.D
Frequency Response
Hum and Noise
(Average, Rs=150Ω)
Maximum Voltage Gain
Crosstalk (at 1kHz)
Gain Control(mono Input Channel)
Gain Control(stereo Input Channel)
Input Channel Equalization
LED Meters
Channel Indicators
Phantom Power
Power Source/Power Consumption
Weight
Dimensions(WxHxD)
*0dB=0.775Vrms, 0dBV=1Vrms
+24dB(MIX L/R) @600Ω
+20dB(ALT 3/4) @600Ω
+20dB(AUX1~ 2) @600Ω
+20dB(INSERT) @10kΩ
+20dB(CTRL ROOM) @600Ω
More than 100mW(HEADPHONES) @40Ω
<0.1% @+14dB 20Hz ~ 20kHz
(MIX L/R, ALT 3/4, AUX SEND1~ 2, CTRL ROOM) @600Ω
20Hz ~ 20kHz, +1/-2dB
(MIX L/R, ALT 3/4, AUX SEND1~ 2, CTRL ROOM) @600Ω
-127dB equivalent input noise
-95dB residual noise
(MIX L/R, ALT 3/4, AUX SEND1~ 2, CTRL ROOM OUT)
-88dB (MIX L/R, ALT 3/4, AUX SEND1~ 2, CTRL ROOM OUT)
* Master fader at nominal level and all channel fader Minimum.
84dB MIC IN TO MIX L/R
84dB MIC IN TO ALT3/4
76dB MIC IN TO AUX 1(PRE)
86dB MIC IN TO AUX 2(REV)
90dB MIC IN TO CONTROL ROOM L/R
62.2dB MIC IN TO REC L/R
54dB LINE IN TO MIX L/R
54dB LINE IN TO ALT3/4
46dB LINE IN TO AUX 1(PRE)
56dB LINE IN TO AUX 2(REV)
60dB LINE IN TO CONTROL ROOM L/R
44dB ST IN TO MIX L/R
44dB ST IN TO ALT3/4
16dB AUX RETURN IN TO MIX L/R
27.8dB TAPE IN TO MIX L/R
-70dB between input channels
-70dB between output channels
44dB Variable (-60dB ~ -16dB), (-30dB ~ +14dB)
34dB Variable (-20dB ~ +14dB)
HIGH: 12kHz shelving
MID : 2.5kHz peaking
LOW: 80Hz shelving
* Turnover/roll off frequencies: located 3dB below maximum boost/cut
10-Segment LEDx2
MIX L/R, ALT 3/4, AUX SEND1 ~ 2, CTRL ROOM
Peak: An indicator for each channel turns on when the pre-channel fader signal
is 3dB below clipping.
+48V DC
MX-1424/1424EX : AC 120V/230V/240V, 50/60Hz, 30W
MX-1824/1824EX : AC 120V/230V/240V, 50/60Hz, 30W
MX-1424/1424EX : 7kg
MX-1824/1824EX : 8kg
MX-1424/1424EX : 482(W)x90(H)x354(D)mm
MX-1824/1824EX : 556(W)x90(H)x354(D)mm
1
Page 4
INPUT
Input Connector Input Impedance Nominal Input Nominal Level Connector Type
CH Mic 4kΩ 50 ~ 600Ω -60dB XLR 3-31 Type
Balanced
CH Line 10kΩ 600Ω -20dB Phone Jack (TRS)
T = Hot
R = Cold
S = GND
Stereo Input 5kΩ 600Ω -10dB Unbalanced
Phone Jack
Aux Return 1~ 2 10kΩ 600Ω +4dB Unbalanced
Phone Jack
Mono Channel Insert Input 10kΩ 600Ω 0dB Phone Jack (TRS)
T = Out
R = In
S = GND
Main Stereo Insert Input 10kΩ 600Ω 0dB Phone Jack (TRS)
T = Out
R = In
S = GND
Tape In 10kΩ 600Ω -10dBV RCA Pin Jack
OUTPUT
Output Output Nominal Nominal
Connector Impedance Impedance Impedance
MIX Out L/R 150Ω 600Ω +4dB XLR 3-32 Type
ALT 3/4 75Ω 600Ω +4dB Unbalanced
CTRL Room Out 75Ω 600Ω +4dB Unbalanced
Aux Send 1~ 2 75Ω 600Ω +4dB Unbalanced
Mono Channel Insert Input 600Ω 10kΩ 0dB Phone Jack (TRS)
Main Stereo Insert Input 10kΩ 600Ω 0dB Phone Jack (TRS)
Rec Out 600Ω 10kΩ -10dBV RCA Pin Jack
Phones Out 100Ω 40Ω 3mW Stereo Phone Jack
Connector Type
Phone Jack
Phone Jack
Phone Jack
T = Out
R = In
S = GND
T = Out
R = In
S = GND
* Specifications and design subject to change without notice for improvements.
2
Page 5
ELECTRICAL PARTS LIST
Ref No. Part No. ValueDescription
MAIN B’D (4005409600)
AN101 4355738221 CON ASS’Y 3P FLAT 510MM ASS’Y 3P
AN102 4355737725 CON ASS’Y 6P 650MM ASS’Y 6P
AN103 4355737324 CON ASS’Y 12P S/D 600MM ASS’Y 12P
AN105 4355737407 CON ASS’Y 12P FLAT 150MM ASS’Y 12P
AN107 4355738211 CON ASS’Y 3P FLAT 230MM ASS’Y 3P
AN108-109 4355738210 CON ASS’Y 3P FLAT 210MM ASS’Y 3P
AN110 4355737510 CON ASS’Y 9P 210MM ASS’Y 9P
AN111 4355738006 CON ASS’Y 4P FLAT 130MM ASS’Y 4P
AN801 4428528212 CON WAFER 12FE-ST-VK-N/LA JST 12FE-ST-VK-N/LA
AN802 4428528214 CON WAFER 14FE-ST-VK-N/LA JST 14FE-ST-VK-N/LA
AN904 4355738016 CON ASS’Y 4P FLAT 360MM ASS’Y 4P
C727 3409210072-T CAP AF SE 10UF 50V 6.3X5(2.5MM 10/50
C601-602 C627 3409210144-T CAP SG 100UF 25V 2.5MM 100/25
C634 C639 C641
C647 C649 C651
C662 C707 C717
C723 C731 C733
C736 C758 C769
C713 C742
C133 C233 C333 3409210171-T CAP AF RSG 100UF 50V 8 P 100/50
C433 C1031
C2031 C3031
C4031 C5031
C6031
C1010 C2010 3409210221-T CAP AF RSG 1000UF 6.3V 10 P 1000/6.3
C3010 C4010
C5010 C6010
C134 C234 C334 3409233979-T CAP SG 3.3UF 50V 2.5MM 3.3/50
C434 C1024
C2024 C3024
C4024 C5024
C6024
C101-102 3409247049-T CAP SG 47UF 25V 2.5MM 47/25
C109-110
C121-123 C125
C131-132, C201-202
C209-210
C221-223 C225
C231-232, C301-302
C309-310
C321-323 C325
C331-332, C401-402
C409-410
C421-423 C425
C431-432, C607-608
C615-616
C655-656 C660
C668-669 C671
C712 C716 C728
C730 C738 C740
C744 C746 C750
C752 C754 C756
C762 C775
C1006-1007
C1012 C1020
C1022, C1025-1026
C2006-2007
C2012 C2020
C2022, C2025-2026
C3006-3007
C3012 C3020
C3022, C3025-3026
C4006-4007
C4012 C4020
C4022, C4025-4026
C5006-5007
C5012 C5020, C5022
C5025-5026
C6006-6007
C6012 C6020, C6022
C6025-6026
C622 C629 C722 3409247079-T CAP SG 47UF 50V 2.5MM 47/50
C726
C1001 C1004-1005 3409247081-T CAP AF SG 47UF 63V 8 P 47/63
C2001 C2004-2005
C3001 C3004-3005
C4001 C4004-4005
C5001 C5004-5005
C6001 C6004-6005
C701-706 3409247979-T CAP SG 4.7UF 50V 2.5MM 4.7/50
C1014 C2014 3609152120-T CAP MA 0.0015UF 100V J 0.0015(M)
C3014 C4014
C5014 C6014
C115-116 3609182120-T CAP MA 0.0018UF 100V J 0.0018(M)
C215-216, C315-316
C415-416
C1015 C2015 3609222120-T CAP MA 0.0022UF 100V J 0.0022(M)
C3015 C4015
C5015 C6015
C111-114 3609223120-T CAP MA 0.022UF 100V J 0.022(M)
C211-214, C311-314
C411-414
C1016 C2016 3609392120-T CAP MA 0.0039UF 100V J 0.0039(M)
C3016 C4016
C5016 C6016
C1017-1018 3609473120-T CAP MA 0.047UF 100V 0.047(M)
C2017-2018
C3017-3018
C4017-4018
C5017-5018
C6017-6018
C605-606 C657 S35100501331 CAP CE C 5PF 50V C 0805(2012) 5P
C670
C117-118 C217-218 S35101001331 CAP CE C 10PF 50V C 0805(2012) 10P
C317-318
C417-418 C1019
C2019 C3019
C4019 C5019, C6019
C760 C771 S35101001331 CAP CE C 10PF 50V C 0805(2012) 10P
C103-104 S35101014331 CAP CE C 100PF 50V J 0805(2012 100P
Ref No. Part No. ValueDescription
3
Page 6
Ref No. Part No. ValueDescription
C203-204, C303-304
C403-404 C640
C642 C648 C650
C708-709 C714
C718 C724 C751
C757 C715
C1011 C1013
C2011 C2013
C3011 C3013
C4011 C4013
C5011 C5013
C6011 C6013
C1002-1003 S35101024331 CAP CE C 1000PF 50V 0805(2012) 1000P
C2002-2003
C3002-3003
C4002-4003
C5002-5003
C6002-6003
C1021 S35101035331 CAP CE B0.01UF 50V K 0805(2012 0.01/50
C1027-1030, C2021
C2027-2030, C3021
C3027-3030, C4021
C4027-4030, C5021
C5027-5030, C6021
C6027-6030
C106-107
C119-120 C124
C126 C128-129
C135 C206-207
C219-220 C224
C226 C228-229
C235 C306-307
C319-320 C324
C326 C328-329
C335 C406-407
C419-420 C424
C426 C428-429
C435 C610-613
C621 C625-626
C628 C635 C637
C643 C645, C658-659
C665-667
C710-711 C719
C721 C729
C734-735 C745
C748-749 C753
C772-774
C609 C614 C624 S35102204339 CAP CE B 22PF 50V K 0805(2012) 22P
C631 C653 C664
C1023 C2023
C3023 C4023
C5023 C6023
C603-604 C623 S35102214331 CAP CE X7R 220PF 50V K 2012 220P
C630 C652 C663
C759 C770
C636 C638 C644 S35103304331 CAP CE 33PF 50V J 2012 33P
Ref No. Part No. ValueDescription
C646
C732 C741 C747 S35104704331 CAP CE C 47PF 50V J 0805(2012) 47P
C755
C105 C108 C127
C130 C205 C208
C227 C230 C305
C308 C327 C330
C405 C408 C427
C430 C720 C725
C1008 C2008 S35104714331 CAP CE 470P 50V K 2012 470P
C3008 C4008
C5008 C6008
C1009 C2009
C3009 C4009
C5009 C6009
D101-102, D201-202 S22100500001 DIODE 1N4148 GP SMD 1N4148
D301-302, D401-402
D701-704
D1001-1005
D2001-2005
D3001-3005
D4001-4005
D5001-5005
D6001-6005
JK604-605 4408194310 XLR JACK (M) E503A0150N E503A0150N(M)
JK101-102, JK201-202 4438192910 PHONE JACK (5P) METAL PHONE JACK
JK301-302, JK401-402
JK602 JK603
JK702-703
JK1002 JK2002
JK3002 JK4002
JK5002 JK6002
JK1001 JK2001 4438193810 XLR JACK(F) 3P(E203A0040N) E203A0040N(F)
JK3001 JK4001
JK5001 JK6001
LD3001 LD4001
LD1001 LD2001 2300030100 LED LTL-1CHE LITEON RED
LD5001 LD6001
LD101 LD201
LD301 LD401
LD710, LD720-721
LD723, LD707-709 2300031100 LED LTL-1CHY LITEON YEL
LD717-719
LD501 LD722 2300032100 LED LTL-1CHG LITEON GRN
LD701-706
LD711-716
Q701-702 2008606104-T KTC3198-Y-AT KTC 3198Y
Q6001-6002
Q5001-5002
Q4001-4002
Q3001-3002
Q2001-2002
Q1001-1002 2008207100-T TR PNP 2SA 970BL-TPE2 2SA 970BL
R1017-1018 3003220953 RES CF 2.2K 1/5W F N 2.2K 1%
R2017-2018
R3017-3018
4
Page 7
Ref No. Part No. ValueDescription
R4017-4018
R5017-5018
R6017-6018
R1014-1015 3003470953 RES CF 4.7K 1/5W F N 4.7K 1%
R2014-2015
R3014-3015
R4014-4015
R5014-5015
R6014-6015
R1001-1002 3003680953 RES CF 6.8K 1/5W F N 6.8K 1%
R2001-2002
R3001-3002
R4001-4002
R5001-5002
R6001-6002
R718-719 3089100275 RES NFR 10 1/4W J R PHILKO FR 10
R1008 R2008 3089101275 RES NFR 100 1/4W J R PHILKO FR 100
R3008 R4008
R5008 R6008
R101-102 R115 S30101017231 RES TF 100 1/10W 2012 100
R119 R201-202
R215 R219
R301-302 R315
R319 R401-402
R415 R419 R613-615
R619-621 R729
R732 R737 R739
R743-744 R1029
R2029 R3029
R4029 R5029 R6029
R524 R741 R771 S30101027231 RES TF 1K 1/10W 2012 1K
R117 R121 R135 S30101037231 RES TF 10K 1/10W 2012 10K
R217 R221 R235
R317 R321 R335
R417 R421 R435
R603-606 R618
R624 R704 R742
R1021 R1027
R1032 R1045
R2021 R2027
R2032 R2045
R3021 R3027
R3032 R3045
R4021 R4027
R4032 R4045
R5021 R5027
R5032 R5045
R6021 R6027
R6032 R6045 R708
R123 R138 R223 S30101047231 RES TF 100K 1/10W 2012 100K
R238 R323 R338
R423 R438
R607-608 R652
R659 R728 R731
R735-736 R738
R740 R755 R759
Ref No. Part No. ValueDescription
R1007 R1028
R1034 R2007
R2028 R2034
R3007 R3028
R3034 R4007
R4028 R4034
R5007 R5028
R5034 R6007
R6028 R6034
R107 R109-111 S30101137231 RES TF 11K 1/10W 2012 11K
R113-114 R207
R209-211
R213-214 R307
R309-311
R313-314 R407
R409-411, R413-414
R511-512 S30101237231 RES TF 12K 1/10W 2012 12K
R1024 R2024
R3024 R4024
R5024 R6024
R1016 R2016 S30101507231 15
R3016 R4016
R5016 R6016
R650 R657 S30101537231 RES TF 15 1/10W 2012 15K
R703 R707 S30101817230 RES TF 180 J 1/10W 2012 180
R711 R714
R773 S30101827451 RES TF 1.8K 1/4W 3225 1.8K 1/4W
R124 R129-134 S30101837231 RES TF 18K 1/10W 2012 18K
R139 R224
R229-234 R239
R324 R329-334
R339 R424
R429-434 R439
R515 R720-723
R733-734 R745
R749 R753 R757
R1036-1044
R2036-2044
R3036-3044
R4036-4044
R5036-5044
R6036-6044
R516 R519-520
R717 S30102027231 RES TF 2K 1/10W 2012 2K
R702 R710 S30102037231 RES TF 20K 1/10W 2012 20K
R617 R623 S30102237231 RES TF 22K 1/10W 2012 22K
R118 R122 R218 S30102437231 RES TF 24K 1/10W 2012 24K
R222 R318 R322
R418 R422
R601-602 R649
R656 R1030
R2030 R3030
R4030 R5030
R6030
R727 R730 S30102737231 RES TF 27K 1/10W 2012 27K
R724-725 R1025 S30103037231 RES TF 30K 1/10W 2012 30K
5
Page 8
Ref No. Part No. ValueDescription
R2025 R3025
R4025 R5025 R6025
R105-106 R205-206 S30103317231 RES TF 330 1/10W 2012 330
R305-306 R405-406
R125 R140-142 S30103337231 RES TF 33K 1/10W 2012 33K
R225 R240-242
R325 R340-342
R425 R440-442
R1033 R1035
R2033 R2035
R3033 R3035
R4033 R4035
R5033 R5035
R6033 R6035
R127 R227 R327 S30103637230 RES TF 36K J 1/10W 2012 36K
R128 R136-137
R228 R236-237
R328 R336-337
R427 R523 R761
R428 R436-437
R766
R654-655 S30103937231 RES TF 39K 1/10W 2012 39K
R726 S30104717670 RES TF 470 J 1W 6432 470 1W
R126 R226 R326 S30104727231 RES TF 4.7K 1/10W 2012 4.7K
R426 R772
R1022 R2022
R3022 R4022
R5022 R6022
R1046 R2046 S30104727451 RES TF 4.7K 1/4W 3225 4.7K 1/4W
R3046 R4046
R5046 R6046 R716
R116 R120 R216 S30104737231 RES TF 47K 1/10W 2012 47K
R220 R316 R320
R416 R420
R521-522 R616
R622 R635-636
R647-648 R706
R713 R1031
R2031 R3031
R4031 R5031 R6031
R705 R712 S30105637231 RES TF 56K 1/10W 2012 56K
R108 R112 R208 S30106227231 RES TF 6.2K 1/10W 2012 J 6.2K
R212 R308 R312
R408 R412
R746 R750 S30106237231 RES TF 62K 1/10W 2012 62K
R754 R758
R1023 R2023 S30106837231 RES TF 68K 1/10W 2012 68K
R3023 R4023
R5023 R6023
R628 R634 R640 S30107507231 RES TF 75 1/10W 2012 75
R646 R756 R760
R651 R658 S30107537230 RES TF 75K J 1/10W 2012 75K
R1026 R2026 S30108227231 RES TF 8.2K 1/10W 2012 8.2K
R3026 R4026
R5026 R6026
R701 R709 S30108237231 RES TF 82K 1/10W 2012 82K
Ref No. Part No. ValueDescription
R626 R631 R638 S30121005230 RES TF 10K F 1/10W 2012 10K 1%
R630 R642 R643
R625 R637 S30121105230 RES TF 11K F 1/10W 0805(2012) 11K 1%
R627 R632 S30121805230 RES TF 18K F 1/10W 2012 18K 1%
R639 R644
R1019-1020
R2019-2020
R3019-3020
R4019-4020
R5019-5020
R6019-6020
R629 R633 S30122005230 RES TF 20K F 1/10W 2012 20K 1%
R641 R645
R1003-1004 S30124305230 RES TF 43K F 1/10W 2012 43K 1%
R2003-2004
R3003-3004
R4003-4004
R5003-5004
R6003-6004
R103-104 R203-204 S30131875230 RES TF 1.87K F 1/10W 0805(2012 1.87K 1%
R303-304 R403-404
R1009-1010 S30135605230 RES TF 5.6K F 1/10W 2012 5.6K 1%
R2009-2010
R3009-3010
R4009-4010
R5009-5010
R6009-6010
R1011 R2011 S30136805230 RES TF 6.8K F 1/10W 2012 6.8K 1%
R3011 R4011
R5011 R6011
R1012-1013 S30151005230 RES TF 10 F 1/10W 2012 10 1%
R2012-2013
R3012-3013
R4012-4013
R5012-5013
R6012-6013
RY701 5528999800 RELAY 876A N-2C-S 12VDC 12VDC
SW501 SW603 4628980110 SW PUSH JPS2281EAB JEIL JPS2281EAB
SW702-704
SW601 SW101-102 4628980120 SW PUSH JPS4281A JEIL JPS4281A
SW201-202
SW301-302
SW401-402
SW1001 SW2001
SW3001 SW4001
SW5001 SW6001
SW1002 SW2002
SW3002 SW4002
SW5002 SW6002
U101-102 U104 S21101080002 IC 2068 SOIC8 2068
U201-202 U204
U301-302 U304
U401-402 U404
U705 U707
U1001-1002
U2001-2002
6
Page 9
Ref No. Part No. ValueDescription
U3001-3002
U4001-4002
U5001-5002
U6001-6002
U103 U203 U303
U403 U601-602
U603 U710
U708 U606-607 S21101083203 IC NJM4580E EMP-8 JRC 4580
U604-605
U706 2168220994 IC NJM 4556AL 4556
U702 U704 2118040105 KIA6967S 6967
U701 U703 2118030405 KIA6966S 6966
VR504-505 VR705-706 3228068910 VR XV09213NPV30F-15A20K(20KA) 20KA
VR1006-1007
VR2006-2007
VR3006-3007
VR4006-4007
VR5006-5007
VR6006-6007
VR1001 VR2001 3228068920 VR XV09213NPV30F-10C20K(20KRD) 20KRD
VR3001 VR4001
VR5001 VR6001
VR1002-1004 3228068930 VR XV09213NPV30F-1B50KCC(50KB) 50KB
VR2002-2004
VR3002-3004
VR4002-4004
VR5002-5004
VR6002-6004
VR102-103 3228069010 “VR XV012313GPV30F-1B50KX2CC,NO” 50KB*2
VR202-203
VR302-303
VR402-403
VR501-503 3228069020 “VR XV012313GPV30F-15A20KX2,NOB” 20KA*2
VR105 VR107
VR205 VR207
VR305 VR307
VR405 VR407
VR701 VR703
VR106 VR206 3228069030 VR XV012313GPV30F-15A15C20KX2C 20KAC*2
VR306 VR406
VR1008 VR2008
VR3008 VR4008
VR5008 VR6008
VR101 VR201 3228069040 “VR XV012313GPV30F-10C20KX2,NOB” 20KRD*2
VR301 VR401
VR601-602 3238079710 VR EWAQ10C15A14(10KA) 10KA
VR1005 VR2005
VR3005 VR4005
VR5005 VR6005
VR104 VR204 3238079720 VR EWAQJ0C15A14
(
10KAX2)10KA
VR304 VR404
VR603
VR801-807 3238080010 RS20H123D12B-23W 20KW*2
ZD701 2058502240 DIODE ZENER UZ-24BM
ZD702 2058503120 “DIODE ZENER UZ-12BH
(
1N5252B)UZ 24BM
(
12.0,12.6)” UZ 12BH
Ref No. Part No. ValueDescription
6CH INSERT B’D (4003482120)
CN105 4428594912 LA5268/LAB0640/2.5MM-12P 5268-12
JK1003 JK2003 4438097310 JACK PHONE 4P PHONE JACK
JK3003 JK4003
JK5003 JK6003
R1006 R2006 R3006 S30101007231 RES TF 10 1/10W 2012 10
R4006 R5006 R6006
R1005 R2005 R3005 S30101017231 RES TF 100 1/10W 2012 100
R4005 R5005 R6005
AUX RETURN B’D (4003482110)
C503-504 C509-510 3409247049-T CAP SG 47UF 25V 2.5MM 47/25
C516-519
C617-618 C763
C767 C776 C778
C501-502 C512-515 S35101014331 CAP CE C 100PF 50V J 0805(2012 100P
C619-620 C661
C672 C768 C779
C507-508 C765-766 S35101035331 CAP CE B0.01UF 50V K 0805(2012 0.01/50
C505-506 C764 C777 S35104704331 CAP CE C 47PF 50V J 0805(2012) 47P
CN903 4428594905 LA5268/LAB0640/2.5MM-05P 5268-05
CN102 4428594906 LA5268/LAB0640/2.5MM-06P 5268-06
CN103 4428594912 LA5268/LAB0640/2.5MM-12P 5268-12
CNT 4647699411 CNT PLUG 1P PLUG 1P
JK501 4438095210 JACK RCA 4P RCA JACK
JK502-505 JK606-607 4438097310 JACK PHONE 4P PHONE JACK
JK704-705
R501-504 R513-514 S30101017231 RES TF 100 1/10W 2012 100
R517-518
R764 R769 S30101047231 RES TF 100K 1/10W 2012 100K
R509-510 S30101137231 RES TF 11K 1/10W 2012 11K
R611-612 S30101227231 RES TF 1.2K 1/10W 2012 1.2K
R609-610 S30101527231 RES TF 1.5K 1/10W 2012 1.5K
R762 R767 S30101837231 RES TF 18K 1/10W 2012 18K
R505-506 S30104737231 RES TF 47K 1/10W 2012 47K
R763 R768 S30106237231 RES TF 62K 1/10W 2012 62K
R653 R660 R765 S30107507231 RES TF 75 1/10W 2012 75
R770
R507-508 S30107527230 RES TF 7.5K J 1/10W 2012 7.5K
R715 3039122575-T RES MO 1.2K 2W J RADIAL 1.2K 2W
SW609 4618001110 SW SV10020-0202-9T-SN PHANTOM SW
U501 S21101080002 IC 2068 SOIC8 2068
U711 S21101083203 IC NJM4580E EMP-8 JRC 4580
H/P B’D (4003482110)
C737 C743 S35101014331 CAP CE C 100PF 50V J 0805(2012 100P
CN107 4428595003 LW5267/LWB0640/2.5MM-03P 5267-03
JK701 4438192910 PHONE JACK (5P) METAL PHONE JACK
R748 R752 3039101472-T RES MO 100 1W T 100 1W
R747 R751 S30101047231 RES TF 100K 1/10W 2012 100K
POWER B’D (4003482100)
AN803 4355737816 CON ASS’Y 6P FLAT 360MM ASS’Y 6P
AN903 4355737912 CON ASS’Y 5P FLAT 250MM ASS’Y 5P
C921 3408210191 CAP RSA 100UF 100V SNAP 13 P 100/100
C903-904 3408247149 CAP AF SG 470UF 25V 470/25
C920 3409210181-T CAP AF RSG 100UF 63V 100/63
C907-908 C915-916 3409210267 CAP SD 1000UF 35V 1000/35
C925 3409233237 CAP AF SD 3300UF 16V 3300/16
7
Page 10
Ref No. Part No. ValueDescription
C924 3409247071-T CAP AF RSG 47UF 50V 6 P 47/50
C919 3419547091-T CAP E SG 47UF/100V 10 P 47/100
C917-918 C922-923 3509103450-T CAP CE 0.01UF 500V Z 0.01/500
C926-929
C901-902 C905-906 3509104530-T CAP CE F 0.1UF 50V Z 0.1/50
C932 3549103107 CAP DE2F3KH103MA4B 0.01/400
CN901 4428595003 LW5267/LWB0640/2.5MM-03P 5267-03
CN904 4428595004 LW5267/LWB0640/2.5MM-04P 5267-04
CN906 4428595007 LW5267/LWB0640/2.5MM-07P 5267-07
CN907-908 4428525202 CON WAFER LA/B2PS-VH/7.92 JST WAFER 2P(7.92)
CN909-910 4428533202 CON WAFER LA395/P02/3.96 JST WAFER 2P(3.96)
CNT1 4647699411 CNT PLUG 1P PLUG 1P
D905 2058100981 DIODE BRIDGE KBU402 PBU402 PBU 402
D901-902 D906-913 2058100996 DIODE RECTIFIER LT1N4006(4007) 1N 4006
F901-904 4458999110 FUSE CLIP 5*20
GND1 4235007210 GND TERMINAL (POWER B’D) GND
Q901 2028407990 KTC4370A-Y-U KTC 4370
R902 S30102237231 RES TF 22K 1/10W 2012 22K
U901 2168640988 IC 7815 SAMSUNG 7815
U902 2168640987 IC 7915 SAMSUNG 7915
U905 2128611206 IC 7805 G.S 7805
ZD901-902 2058502240 DIODE ZENER UZ-24BM(1N5252B) UZ 24BM
AC INPUT B’D (4003482130)
C932 3549103107 CAP DE2F3KH103MA4B 0.01/400
CN907-908 4428525202 CON WAFER LA/B2PS-VH/7.92 JST WAFER 2P(7.92)
CN909-910 4428533202 CON WAFER LA395/P02/3.96 JST WAFER 2P(3.96)
F905 4458999110 FUSE CLIP 5*20
▷
4CH MONO INPUT B’D (4003482000)
MX-1824/1824EX
AN120 4355737607 CON ASS’Y 8P FLAT 150MM ASS’Y 8P
C1131 C2131 3409210171-T CAP AF RSG 100UF 50V 8 P 100/50
C3131 C4131
C1110 C2110 3409210221-T CAP AF RSG 1000UF 6.3V 10 P 1000/6.3
C3110 C4110
C1124 C2124 3409233979-T CAP SG 3.3UF 50V 2.5MM 3.3/50
C3124 C4124
C1106-1107 3409247049-T CAP SG 47UF 25V 2.5MM 47/25
C1112 C1120 C1122
C1125-1126
C2106-2107
C2112 C2120 C2122
C2125-2126
C3106-3107
C3112 C3120 C3122
C3125-3126
C4106-4107
C4112 C4120 C4122
C4125-4126
C1101 C1104-1105 3409247081-T CAP AF SG 47UF 63V 8 P 47/63
C2101 C2104-2105
C3101 C3104-3105
C4101 C4104-4105
C1114 C2114 3609152120-T CAP MA 0.0015UF 100V J 0.0015(M)
C3114 C4114
C1115 C2115 3609222120-T CAP MA 0.0022UF 100V J 0.0022(M)
C3115 C4115
Ref No. Part No. ValueDescription
C1116 C2116 3609392120-T CAP MA 0.0039UF 100V J 0.0039(M)
C3116 C4116
C1117-1118 3609473120-T CAP MA 0.047UF 100V 0.047(M)
C2117-2118
C3117-3118
C4117-4118
C1119 C2119 S35101001331 CAP CE C 10PF 50V C 0805(2012) 10P
C3119 C4119
C1111 C1113 S35101014331 CAP CE C 100PF 50V J 0805(2012 100P
C2111 C2113
C3111 C3113
C4111 C4113
C1102-1103 S35101024331 CAP CE C 1000PF 50V 0805(2012) 1000P
C2102-2103
C3102-3103
C4102-4103
C1121 C1127-1130 S35101035331 CAP CE B0.01UF 50V K 0805(2012 0.01/50
C2121 C2127-2130
C3121 C3127-3130
C4121 C4127-4130
C1123 C2123 S35102205331 CAP CE B 22PF 50V K 0805(2012) 22P
C3123 C4123
C1108 C2108 S35104714331 CAP CE 470P 50V K 2012 470P
C3108 C4108
C1109 C2109
C3109 C4109
CN108-109 4428595003 LW5267/LWB0640/2.5MM-03P 5267-03
CN111 4428595004 LW5267/LWB0640/2.5MM-04P 5267-04
CN110 4428595009 LW5267/LWB0640/2.5MM-09P 5267-09
D1101-1105 S22100500001 DIODE 1N4148 GP SMD 1N4148
D2101-2105
D3101-3105
D4101-4105
JK1102 JK2102 4438192910 PHONE JACK (5P) METAL PHONE JACK
JK3102 JK4102
JK1101 JK2101 4438193810 XLR JACK(F) 3P(E203A0040N) E203A0040N(F)
JK3101 JK4101
LD1101 LD2101 2300030100 LED LTL-1CHE LITEON RED
LD3101 LD4101
Q1101-1102 2008207100-T TR PNP 2SA 970BL-TPE2 2SA 970BL
Q2101-2102
Q3101-3102
Q4101-4102
R1117-1118 3003220953 RES CF 2.2K 1/5W F N 2.2K 1%
R2117-2118
R3117-3118
R4117-4118
R1114-1115 3003470953 RES CF 4.7K 1/5W F N 4.7K 1%
R2114-2115
R3114-3115
R4114-4115
R1101-1102 3003680953 RES CF 6.8K 1/5W F N 6.8K 1%
R2101-2102
R3101-3102
R4101-4102
R1108 R2108 3089101275 RES NFR 100 1/4W J R PHILKO FR 100
8
Page 11
R3108 R4108
R1129 R2129 S30101017231 RES TF 100 1/10W 2012 100
R3129 R4129
R1121 R1127 R1132 S30101037231 RES TF 10K 1/10W 2012 10K
R1145 R2121 R2127
R2132 R2145 R3121
R3127 R3132 R3145
R4121 R4127 R4132
R4145
R1107 R1128 R1134 S30101047231 RES TF 100K 1/10W 2012 100K
R2107 R2128 R2134
R3107 R3128 R3134
R4107 R4128 R4134
R1124 R2124 S30101237231 RES TF 12K 1/10W 2012 12K
R3124 R4124
R1116 R2116 S30101507231 RES TF 15 1/10W 2012 15
R3116 R4116
R1136-1144 S30101837231 RES TF 18K 1/10W 2012 18K
R2136-2144
R3136-3144
R4136-4144
R1130 R2130 S30102437231 RES TF 24K 1/10W 2012 24K
R3130 R4130
R1125 R2125 S30103037231 RES TF 30K 1/10W 2012 30K
R3125 R4125
R1133 R1135 S30103337231 RES TF 33K 1/10W 2012 33K
R2133 R2135
R3133 R3135
R4133 R4135
R1122 R2122 S30104727231 RES TF 4.7K 1/10W 2012 4.7K
R3122 R4122
R1146 R2146 S30104727451 RES TF 4.7K 1/4W 3225 4.7K 1/4W
R3146 R4146
R1131 R2131 S30104737231 RES TF 47K 1/10W 2012 47K
R3131 R4131
R1123 R2123 S30106837231 RES TF 68K 1/10W 2012 68K
R3123 R4123
R1126 R2126 S30108227231 RES TF 8.2K 1/10W 2012 8.2K
R3126 R4126
R1119-1120 S30121805230 RES TF 18K F 1/10W 2012 18K 1%
R2119-2120
R3119-3120
R4119-4120
R1103-1104 S30124305230 RES TF 43K F 1/10W 2012 43K 1%
R2103-2104
R3103-3104
R4103-4104
R1109-1110 S30135605230 RES TF 5.6K F 1/10W 2012 5.6K 1%
R2109-2110
R3109-3110
R4109-4110
R1111 R2111 S30136805230 RES TF 6.8K F 1/10W 2012 6.8K 1%
R3111 R4111
R1112-1113 S30151005230 RES TF 10 F 1/10W 2012 10 1%
R2112-2113
R3112-3113
Ref No. Part No. ValueDescriptionRef No. Part No. ValueDescription
R4112-4113
SW1101 SW2101 4628980120 SW PUSH JPS4281A JEIL JPS4281A
SW3101 SW4101
SW1102 SW2102
SW3102 SW4102
U1101-1102 S21101080002 IC 2068 SOIC8 2068
U2101-2102
U3101-3102
U4101-4102
VR1106-1107 3228068910 VR XV09213NPV30F-15A20K(20KA) 20KA
VR2106-2107
VR3106-3107
VR4106-4107
VR1101 VR2101 3228068920 VR XV09213NPV30F-10C20K(20KRD) 20KRD
VR3101 VR4101
VR1102-1104 3228068930 VR XV09213NPV30F-1B50KCC(50KB) 50KB
VR2102-2104
VR3102-3104
VR4102-4104
VR1108 VR2108 3228069030 VR XV012313GPV30F-15A15C20KX2C 20KAC*2
VR3108 VR4108
VR1105 VR2105 3238079710 VR EWAQ10C15A14(10KA) 10KA
VR3105 VR4105
▷
4CH INSERT B’D (4003481800)
MX-1824/1824EX
CN120 4428594908 LA5268/LAB0640/2.5MM-08P 5268-08
JK1103 JK2103 4438097310 JACK PHONE 4P PHONE JACK
JK3103 JK4103
R1106 R2106 S30101007231 RES TF 10 1/10W 2012 10
R3106 R4106
R1105 R2105 S30101017231 RES TF 100 1/10W 2012 100
R3105 R4105
▷
DSP/EQ B’D (4003482900)
MX-1424EX/1824EX
C868 C871 3409210023-T CAP AF SE 10U/50V 6.4X5 (5MM) 10/50
C805 C822 3409210144-T CAP SG 100UF 25V 2.5MM 100/25
C806 C823 C853 3409210973-T CAP E SE 1UF 50V 3*5 1/50
C861
C870 3409222033-T CAP E SE 22UF 16V 5*5 22/16
C845 C852 C859 3409222071-T CAP AF RSG 22UF 50V 5 P 22/50
C880-881
C850 3409247033-T CAP E SE 47UF 16V 6.3*5 47/16
C803 C820 3409247049-T CAP SG 47UF 25V 2.5MM 47/25
C819 C836 3509821130-T CAP CE B 820PF 50V K 820P
C816 C833 3609103120-T CAP MA 0.01UF 100V 0.01(M)
C813 C830 3609123120-T CAP MA 0.012UF 100V J 0.012(M)
C817 C834 3609182120-T CAP MA 0.0018UF 100V J 0.0018(M)
C811 C814 C828 3609273120-T CAP MA 0.027UF 100V J 0.027(M)
C831
C815 C818 C832 3609472120-T CAP MA 0.0047UF 100V J 0.0047(M)
C835
C809 C812 C826 3609683120-T CAP MA 0.068UF 100V J 0.068(M)
C829
C807 C810 C824 3639184111-T CAP ECQ-V 1H184JL2 0.18UF 50V 0.18/50(M)
C827
C808 C825 3639394111-T CAP ECQ-V 1H394JL2 0.39UF 50V 0.39/50(M)
C851 C862 C864 S35101024331 CAP CE C 1000PF 50V 0805(2012) 1000P
9
Page 12
C801-802 S35101035331 CAP CE B0.01UF 50V K 0805(2012 0.01/50
C837-844 C867
C869 C872-879
C849 S35101045331 CAP CE B 0.1UF 50V Z 0805(2012 0.1/50
C863 C865 S35102214331 CAP CE X7R 220PF 50V K 2012 220P
C866 S35102225331 CAP CE 0.0022UF 50V K 2012 2200P/50
C854-855 S35103304331 CAP CE 33PF 50V J 2012 33P
C860 S35104704331 CAP CE C 47PF 50V J 0805(2012) 47P
C804 C821 S35104714331 CAP CE 470P 50V K 2012 470P
C846-848 C856-858 S35104734331 CAP CE 47000PF 50V J 2012 47000P
CN801 4428528112 CON WAFER 12FE-BT-VK-N JST 12FE-BT-VK-N
CN802 4428528114 CON WAFER 14FE-BT-VK-N JST 14FE-BT-VK-N
CN804 4428594904 LA5268/LAB0640/2.5MM-04P 5268-04
CN803 4428594906 LA5268/LAB0640/2.5MM-06P 5268-06
D801-802 S22100500001 DIODE 1N4148 GP SMD 1N4148
F801 3908609980 EMI FILTER 2200PF 2200PF
P1~3 4355738417 CON ASS’Y 1P GND 390M
Q803 2008606998-T KTD1302-AT KTD 1302
Q801-802 S20510405004 2N3906S-RTK 2N3906
R805 R825 S30101017231 RES TF 100 1/10W 2012 100
R861 S30101027231 RES TF 1K 1/10W 2012 1K
R845-848 R851 S30101037231 RES TF 10K 1/10W 2012 10K
R859-860 R863
R865-866
R802-803 R806 S30101047231 RES TF 100K 1/10W 2012 100K
R821-822 R826
R852 R862
R853 R855-857 S30101537231 RES TF 15K 1/10W 2012 15K
R801 R804 S30102727231 RES TF 2.7K 1/10W 2012 2.7K
R823-824
R849 S30103317231 RES TF 330 1/10W 2012 330
R841-844 R854 S30103327231 RES TF 3.3K 1/10W 2012 3.3K
R858 R864
R850 S30104727231 RES TF 4.7K 1/10W 2012 4.7K
R807 R809 R811 S30105617231 RES TF 560 1/10W 2012 560
R813 R815 R817
R819 R827 R829
R831 R833 R835
R837 R839
R808 R810 R812 S30105637231 RES TF 56K 1/10W 2012 56K
R814 R816 R818
R820 R828 R830
R832 R834 R836
R838 R840
U801-808 U811-812 S21101080002 IC 2068 SOIC8 2068
U813 2128130800 IC CS4811 DSP (CRYSTAL) CS4811
U810 2128220700 IC MN13811T PANASONIC (RESET) MN13811T
U809 2128330600 IC 25LC640CSN EEPROM 64K MICCH 25LC640CSN
X801 3938000946 X-TAL 8.192MHz(49S) 8.192MHz
▷
DSP SW B’D (4003481910)
MX-1424EX/1824EX
AN804 4355738107 CON ASS’Y 4P FLAT(LA) 150MM ASS’Y 4P
SW801 4658099210 SW ROTARY 94HBB08(GRAYHILL) GRAYHILL
ASS’Y
CABLE 4355737100 FLEXIBLE FLAT CABLE 14P 350MM CABLE 14P
CABLE 4355737200 FLEXIBLE FLAT CABLE 12P 350MM CABLE 12P
Ref No. Part No. ValueDescriptionRef No. Part No. ValueDescription
CON 4355738314 CON ASS’Y 2P 300MM ASS’Y 2P
POWER SW 4648099310 POWER SWITCH (H8500VB) POWER SW
FUSE C5508411934 FUSE T 20MM 630MA/250V U/C/S/V 630mA/250V
FUSE C5508412234 FUSE TSD 20MM 1A/250V U/C/S/V 1A/250V
FUSE C5508412134 FUSE T 20MM 800MA/250V U/C/S/V 120V (E)
C5508411634 FUSE T 20MM 400MA/250V U/C/S/V 220V~ 240V
(C,D,R,DOM)
POWER TRANS 2828059400 TRANS POWER MX-1824EX (120V) 120V (E)
2828059420 TRANS POWER MX-1824EX (230V) 220V ~ 240V
(C,D,R,DOM)
AC CORD 4308989910 AC CORD ASS’Y(U/V) MX-1424EX 120V (E)
4308999910 CORD AC UL 3CORES 120V (E)
4308989810 AC CORD ASS’Y(DOM) MX-1424EX 220V (DOM)
4308998610 EV.300V L:2200)EQ-825 220V (DOM)
4308000430 AC CORD POWER(EUROPE KEMA) 230V (R)
4308990110 AC CORD EUROPE ASS’Y 230V (R)
4308989710 AC CORD ASS’Y(BSI) MX-1424EX 230V~240V(C)
4308995710 AC CORD H05VVH2F (B S I) 230V~240V(C)
4308990010 AC CORD ASS’Y(SAA) MX-1424EX 240V (D)
4308999210 AC UP502+0CSA0.75MM2*3C200MM 240V (D)
10
Page 13
TOP AND BOTTOM VIEW OF P.C. BOARD
– POWER B’D
11
Page 14
– 4CH INSERT B’D
12
Page 15
– 4CH MONO INPUT B’D
13
Page 16
– MAIN MIX B’D
14
Page 17
– DSP/EQ B’D (TOP)
– DSP/EQ B’D (BOTTOM)
15
Page 18
WIRING DIAGRAM
16
Page 19
BLOCK DIAGRAM
17
Page 20
SCHEMATIC DIAGRAM
18
Page 21
192021222324252627
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Page 30
28
Page 31
3029
Page 32
3231
Page 33
3433
Page 34
3635
Page 35
3837
Page 36
4039
Page 37
4241
Page 38
4443
Page 39
4645
Page 40
EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LIST
4847
Page 41
5049
Page 42
ASS’Y DRAWING
440
354 90
1
2
3
4
5
6
7
20
11
13
14
12
482
16
17
15
18
19
048523992713
10
1
SLIDE KNOB(BLACK)
CONTROL PANEL
CONTROL KNOB(GRAY/BLACK)
048523992715
048523992710
046122289712
046122289711
046122289721
046122289722
046122289723
048543980323
1
2
3
4
5
6
7
CONTROL KNOB(GREEN/BLACK)
26
048543980336
PUSH KNOB(DARK GRAY)
1
048545985213
2
8
9
10
11
12
13
14
15
16
4
24
1
046503968917
RACK BKT-L
17
4438192910
19
1
SCREW #2 FTC 3X8BK
8129230183
8
RACK BKT-R
046503968927
R
DOM
E
C
D
1
1
Remark
No.
Description
Part No
1424(Q'ty)
CONTROL KNOB(BLUE/BLACK) 048543980325
25
KNOB CONTROL
SLIDE KNOB(GRAY)
SLIDE KNOB(BLUE)
048543991912
10
CONTROL KNOB(RED/BLACK) 048543980337
10
MAIN CHASSIS
046122482417
PHANTOM POWER SLIDE
JACK PHONE 4P
14
4438095210
18
POWER SWITCH
4648099310
1
19
20
1
4618001110
1
AC CODE
6518998110
1
4438097310
PHONE JACK 5P METAL
1
JACK RCA 4P
1
1
14
1
38
0
2
4
32
1
23
1
12
0
0
33
14
14
18
1
1
1
0
046122482427
0
1
1
0
0
046122289752
046122289751
046122289761
046122289762
046122289763
0
R
DOM
E
C
D
0
0
0
0
1
1
1
1
1
1824(Q'ty)
8910
5251
Page 43
440
90
354
1
2
3
4
5
6
7
8910
11
13
14
15
16
17 18
19
2021
22
23
12
048523992713
10
1
SLIDE KNOB(BLACK)
CONTROL PANEL
CONTROL KNOB(GRAY/BLACK)
048523992715
048523992710
046122289732
046122289731
046122289741
046122289742
046122289743
048543980323
1
2
3
4
5
6
7
CONTROL KNOB(GREEN/BLACK)
26
048543980336
PUSH KNOB(DARK GRAY)
1
048545985213
2
8
9
10
11
12
KNOB 947705-017(GRAYHILL)-GRAY
8545985910
1
13
14
15
16
2
4
7
24
048545985217
PUSH KNOB(RED)
SLIDE KNOB
1
046503968917
RACK BKT-L
17
4438192910
19
1
SCREW #2 FTC 3X8BK
8129230183
8
RACK BKT-R
046503968927
R
DOM
E
C
D
1
1
Remark
No.
Description Part No
1424EX(Q'ty)
1824EX(Q'ty)
CONTROL KNOB(BLUE/BLACK) 048543980325
25
KNOB CONTROL
SLIDE KNOB(GRAY)
SLIDE KNOB(BLUE)
048543991912
10
CONTROL KNOB(RED/BLACK) 048543980337
10
3238080010
MAIN CHASSIS
046122482417
PHANTOM POWER SLIDE
JACK PHONE 4P
1
4438095210
18
POWER SWITCH
4648099310
1
19
20
21
22
1
14
4618001110
23
1
AC CODE
6518998110
1
4438097310
PHONE JACK 5P METAL
482
JACK RCA 4P
1
1
14
1
38
0
2
1
2
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