Reloop RMX-50-BPM Service manual

SERVICE MANUAL

MODEL NO.: RMX50BPM

Contents

Specification 1
Block Diagram 2-3

Point To Point Diagram 4
Exploded View 5
Exploded View Part List 6-7

Electrical Part List 8-22
IC Block Diagram 23-26
Package View & Part List 27

Printed Circuit Board Diagram 28
Schematic Diagram 31-35

Troubleshooting 36

-30

GENERAL SPECIFICATION

1. Power consumption 45 Watts 49 Watts w/full headphone output.

2. Dimensions 483 (W) x 310 (D) x 91 (H) mm

3. Headphone impedance 32 Ohms

4. Weight 6 Kgs

5. Input/output sensitivity (Level/Impedance)
Line/Tape/CD/Video 20K OHM / -14dB (200mV) +2/-3dB
Phono 47K OHM / -50dB (3mV) +/-3dB
Microphone 3K OHM / -60dB (1mV) +/-3dB
DJ Microphone 3K OHM / -54dB (2mV) +/-3dB
Master output 1K OHM / 0dB (1V) +/-3dB
Rec output 1K OHM / -8dB (400mV) +/-3dB
Phones (Load=32 OHM) 33 OHM / -3dB (0.7V) +/-3dB (CUE/PGM)
Master XLR 600 OHM / +6dB (2V)[0dB (1V) single to GND]+/-3dB
Note : 0dB=1Vrms, Load 47K Ohms.

6. Maximum output (Load=47K Ohms, T.H.D.=5%)
Master output More than 18dB (8V)
Rec output More than 10dB (3.1V)
Phones (Load=32 OHMS) More than 5dB (1.7V)

7. Channel balance Within 3dB

8. Frequency response
Line/Tape/CD/Video 20Hz - 20KHz +2dB/-3dB
Phono 20Hz - 20KHz +2dB/-3dB
Microphone 20Hz - 20KHz +2dB/-3dB

9. Output noise (IEC-A,Weighted)
Line/Tape/CD/Video Less than -75dB
Phono Less than -66dB
Microphone Less than -60dB

10. T.H.D (1KHz 0dB Output)
Master output Less than 0.05% (Load=47K OHMS)
Phones Less than 0.3% (Load=32 OHMS)

11. Crosstalk More than 60dB at 1KHz between L and R channels

12. Channel equalizer
Bass +12 ± 3dB / Less than -24dB at 70Hz
Mid +12 ± 3dB / Less than -24dB at 1KHz
Treble +12 ± 3dB / Less than -24dB at 13KHz

13. Microphone equalizer
Bass +12 / -12dB ± 2dB at 70Hz
Mid +12 / -12dB ± 2dB at 1KHz
Treble +12 / -12dB ± 2dB at 13KHz

14. Attenuation of talkover -14 ± 2dB

MAIN BLOCK DIAGRAM

1 2 3 4 5 6 7 8 9 10 11 12

B

CH 5

PHONO3

VIDEO

R

L

R

L

321

4

321

4

AMP.

L.RIAA

AMP.

R.RIAA

PHONO3/VIDEO

CH 4

PHONO2

CD3

L

R

321

4

CD2

R

L

R

PHONO2/CD3

4

321

4

AMP.

L.RIAA

AMP.

R.RIAA

C

CH 3

PHONO1

L

R

L

321

4

321

AMP.

L.RIAA

AMP.

R.RIAA

PHONO1/CD2

CH 2

MIC2

CD1

TAPE

R

L

R

4

321

4

CD1 MIC2/TAPE

LINE

L

L

321

R

321

4

MIC

AMP

MIC

AMP

MIC2/CD1

ASSIGN SW

ASSIGN SW

034

234

0

BPM A

5

BPM B

CH5/R

CH5/L

AMP

AMP

CH5/L EQ

CH5/R EQ

BUFFER

BUFFER

CH5/L

CH5/R

CH4/R

CH4/L

AMP

AMP

CH4/L EQ

CH4/R EQ

BUFFER

BUFFER

CH4/L

CH4/R

CH3/R

CH3/L

AMP

AMP

CH3/L EQ

CH3/R EQ

BUFFER

BUFFER

CH3/L

CH3/R

CH2/R

CH2/L

AMP

AMP

CH2/L EQ

CH2/R EQ

BUFFER

BUFFER

CH2/L

CH2/R

CH1/R

AMP

CH1/R EQ

BUFFER

CH1/R

DISPLAY

DRIVER

LEVEL METER

DISPLAY

DRIVER

LEVEL METER

DISPLAY

DRIVER

LEVEL METER

DISPLAY

DRIVER

LEVEL METER

DRIVER

LEVEL METER

PFL IND

PFL SW

PFL IND

PFL SW

PFL IND

PFL SW

PFL IND

PFL SW

CH5 FADERCH5 GAIN

BUFFER

BUFFER

CH5/L

CH5/R

CH4 FADERCH4 GAIN

BUFFER

BUFFER

CH4/L

CH4/R

CH3 FADERCH3 GAIN

BUFFER

BUFFER

CH3/L

CH3/R

CH2 FADERCH2 GAIN

BUFFER

BUFFER

CH2/R

BUFFER

CH2/L

CH1/R

SUMMING/L

SUMMING/R

AMP

AMP

SUMMING/L

SUMMING/R

AMP

AMP

PFL/OUTPUT

PFL/OUTPUT

ASSIGN SW

034

CHANNEL ASSIGN

CONTROLLER

ASSIGN SW

5

CUE LEVEL

CUE LEVEL

AMP

PHONE/L

AMP

PHONE/R

CONTROLLER

CHANNEL

ATTENUATOR

DC CONTROL

DC AMP

DC AMP

234

0

CROSSFADER

CROSSFADER

CONTROLLER

CHANNEL

ATTENUATOR

DC CONTROL

SUMMING/L

SUMMING/R

AMP

AMP

TALKOVER

TALKOVER

SUMMING/L

SUMMING/R

AMP

AMP

STEREO/MONO

BALANCE1

BALANCE2

+5V +15V -15V

POWER SUPPLY

RECTIFIER &

+6V

BALANCE2

MASTER2

MASTER2

MASTER1/R

MASTER2/L

MASTER2/R

AMP

AMP

AMP

BALANCE1

MASTER1

MASTER1

MASTER1/L

MASTER1/R

MASTER1/L

AMP

AMP

AMP

AC POWER

MUTE

321

4

321

4

MASTER2

REC

R

L

R

L

MASTER1/L

MASTER1/R

INV. AMP

INV. AMP

MASTER1/L

MASTER1/R

231

231

TRIM

TRIM

MASTER1/L

HIGH PASS

MASTER1/R

HIGH PASS

4

MASTER1

R

DISPLAY

DRIVER

DISPLAY

DRIVER

MA1/R LEVEL METER

MA1/L LEVEL METER

321

L

A

B

C

D

CH 1

MIC1

MIC

AMP

MIC

AMP

MIC/LINE CH1/L

CH1 GAIN

AMP

CH1/L EQ

BUFFER

CH1/L

DISPLAY

PFL SW

CH1 FADER

BUFFER

CH1/L

231

DJ MIC

MIC

AMP

MIC

AMP

MIC EQ

BUFFER

MIC

MIC LEVEL

MIC PAN

PFL IND

MIC PAN

BUFFER

BUFFER

MIC

MIC

LVL DET.

BUFFER

TALKOVER IND

TK SW

TALKOVER

CONTROLLER

1110987654321

12

D

BPM BLOCK DIAGRAM

B

C

BPM B

BPM A

1 2 34

AMP

SIGNAL

AMP

SIGNAL

LOW PASS

FILTER

HI PASS

FILTER

LOW PASS

FILTER

FILTER

COMP.

COMP.

COMP.

CONTROL

CPU

CONTROL

CPU

COUPLER

PHOTO

CD PLAY/PAUSE

CONTROL CPU

COUPLER

PHOTO

CONTROL JACK

CD B PLAY/PAUSE

A

B

C

HI PASS

COMP.

CONTROL JACK

D

321

CD A PLAY/POUSE

4

D

POINT TO POINT DIAGRAM

EXPLODED VIEW

REF. NO.

EXPLODED VIEW PART LIST

DESCRIPTION

1
2
3 MIXER PCB ASS'Y 704-RMXB50-5221 1
4 EQ PCB ASS’Y 704-RMXB50-5222 1
5 BOTTOM BASE 300-RMX50-963 1
6 BACK BOARD 300-RMX50-964 1
7 OUTPUT PCB ASS’Y 704-RMXB50-5223 1
8 FADER START PCB ASS’Y 704-RMXB50-5224 1

9 AC JACK PCB ASS’Y 704-RMXB50-5227 1
10 MIC PCB ASS’Y 704-RMXB50-5228 1
11 PHONE PCB ASS’Y 704-RMXB50-5229 1
12 XLR MIC PCB ASS’Y 704-RMXB50-5230 1
13 TRANSFORMER 411-50BPM-377 1
14 ROTATE KNOB(SEMICIRCLE) 100-SCX2-2211 32
15 ROTATE KNOB 100-RMX40-2211 2
16 POWER KNOB 100-RMX50-1641 1
17 KNOB PROTECTOR 100-RMX50-1642 1
18 PUSH KNOB(LARGE) 100-SCX2-2212 7
19 EQ KNOB(SMALL) 100-SCX2-1740 1
20 3-8 LED DECORATION 100-RMX50-2220 2
21 SINGLE LED DECORATION 100-RMX50-2207 7
22 HIMILON 612-HDJ100-045 7
23 FIBROUS 612-SCX2-191 1
24 POWER SW(SDDLB1017U-HF,2PIN)
25 LED HOLDER(SCT-14) 504-QMX1-082 1
26 VR FIXED PLATE 300-SCX2-1133 6
27 CH VR PCB ASS’Y 704-RMXB50-5225 6
28 FIXING PLATE 300-T1-972 1
29 CROSS FADER VR PCB ASS'Y 704-RMXB50-5226 1
30 SLEEVE(6*10.2L) 200-HPR1-331 2
31 CUSHION(28*4.8*0.5t) 612-Q2422-102 5
32 CUSHION(26*10mm,t=0.5mm) 612-Q2422-103
33 PUSH KNOB 100-Q3433-2208 6
34 THROW GRANULE 100-Q2411-2206 6
35 SPACER SUPPORT(H-25) 504-RMX50BPM-163 7
36 IC(NJM7915FA) 417-RCC955A-291 1
37 IC(7805) 417-KC730-123 1
38 IC (7806) 417-HDJ100-117 1
39 IC(NJM7815FA 3PIN) 417-DV330-216 1
40 WASHER 606-B300-039 2
41 BRACKET TRANSFORMER 300-DV300B-443 2
42 VFD SPACER(EVA,14*7*7t) 612-BEAT4-151 4
43 FUSE JACK(206H,R3-12) 420-HDJ2700B-100 1
44 RCA ADAPTOR PLUG(A028) 420-Q3433-106 8
45 GROUND PIN
46 WASHER(8*3.2*1t,NI) 606-Q2221-122 3
47 NUT(M3*2.5t) 601-BEAT4-021 2
48 AC POWER CORD(L=1900+-50mm,VDE TYPE) 409-DJ2-070 1
49 RUBBER FOOT(PVC,70%) 604-BEAT4-238 4
50 SCREW(STB,4*8,ZB) 602-BEAT4-440 4

FRONT PANEL
FRONT BOARD ASS'Y

PART NO. Q’TY
300-RMX50-1147 1
703-RMX50-885 1

403-A100-005

200-DJ100-231

REMARK

1

3

3

EXPLODED VIEW PART LIST

REF. NO. DESCRIPTION PART NO. Q’TY REMARK

51 SCREW(STN,3*8,ZB) 602-BEAT4-449 2
52 SCREW(CTF,3*7) 602-AKS4-496B 20
53 SCREW(BTB,3*5,ZB) 602-QMX2BPM-322 40
54 SCREW(M3*P0.5*L8)

602-HP1010K-178

55 SCREW(2.6*4 P=0.45) 602-MK7-134 10
56 SCREW(3*5 P=0.5) 602-B300-041 4
57 SCREW(3*10 ZK PTP) 602-MK7-131 13
58 PLASTIC SCREW(S-306-N66) 602-SPANDMK2-536 14
59 SCREW (BTB 3*6ES ,BLACK) 602-CDC2050-345 4
60 SCREW(M2.6*3mm) 602-KM500-155 2

4

MIXER PCB ASS’Y PART LIST

REF. NO. DESCRIPTION PART NO. Q’TY
MIXER PCB ASS'Y 704-RMXB50-5221 1
SW31-36 PUSH SW(SPEA12MC05-HF) 403-AK4-196 6
SW102,SW202,

SW302,SW402,
SW502

SW703,SW704,
SW901 SLIDE SW(SKA-12-12,3PIN) 403-QMX1-063A 3

SW701,SW702 ROTARY SW(SR1712-0204-25K0A-N9-N) 403-RMX50BPM-204 2

W02
W903

W902

W101
W703 8P2.5 CONNECTOR WIRE(L=70mm,AWM2877 AWG26) 404-QFX19-1630 1

W801,W802

W704
W201,W301,W4

01,W501

W601

W701

W901
W706

D11 LED(RED) 410-CD6000-122 1
D31-D36 LED(GREEN) 410-CD6000-124 6
D709,D710 INFRARED EMITTONG MODULE( LTE-302-M ) 410-CDMIX1-147 2
D103,D203,D30

3,D403,D503,D9
02,D904 LED BAR(RED/GREEN,LTA-10102M-01) 410-RMX30-260 7

D102,D202,D30
2,D402,D502,D9
01,D903 LED BAR(GREEN,LTA-1000G-08) 410-RMX30-261 7

D809,D810 DISPLAY(LTC-4624P-K1) 410-RMX30-262 2
D707,D708 PHOTO TRANSISTOR(LTR-301) 416-DCM270X-120 2
IC909 INTEGRATED CIRCUIT(NJM-4556AD) 417-3113-018 1
IC105,IC106,IC2

05,IC206,IC305,I
C306,IC405,IC4
06,IC505,IC506,I
C903,IC904,IC9
05,IC906

IC701,IC702 IC(LC78211,DIP-30) 417-QFX19-629 2
IC703,IC704 IC(M51132L) 417-SA12-487 2
VR701 ROTARY VR(20KD*2,RD16K12D0085-20KD*2(HF)) 418-HPM11-190 1
VR904 VR(20KB*2,RK16K12D0023-20KB*2(HF)) 418-Q2221-084 1

LEVER SW(LBC22B-20KB,6PIN) 403-CDMIX1-114B 5

7P2.5 CONNECTOR WIRE(L=240mm,AWM2877
AWG26) 404-HPM11-1589 1

3P2.5 CONNECTOR WIRE(L=100mm,AWM2877
AWG26) 404-HPM7-1602 1

6P2.5 CONNECTOR WIRE(L=270mm,AWM2877
AWG26) 404-MX3000-1760 1

5P2.5 CONNECTOR WIRE(L=170mm, AWM2877
AWG26) 404-QFX19-1606 1

10P 2.5 CONNECTOR
WIRE(L=70mm,AWM2877,AWG22) 404-RMX50BPM-1894 2

6P 2.5 CONNECTOR
WIRE(L=70mm,AWM2877,AWG22) 404-RMX50BPM-1895 1

6P 2.5 CONNECTOR
WIRE(L=200mm,AWM2877,AWG22)

4P 2.5 CONNECTOR
WIRE(L=100mm,AWM2877,AWG22) 404-RMX50BPM-1897 1

4P 2.5 CONNECTOR
WIRE(L=210mm,AWM2877,AWG22) 404-RMX50BPM-1898 1

3P2.5 CONNECTOR WIRE(L=300mm,AWM2877
AWG26)

3P2.5 CONNECTOR WIRE(L=150mm,AWM2877
AWG26) 404-T2-1687 1

IC B1403N OR BA6124 SIP9 417-HT801K-097 14

404-RMX50BPM-1896 4

404-SA12-1397 1

MIXER PCB ASS’Y PART LIST

REF. NO. DESCRIPTION PART NO. Q’TY
VR601,VR605 VR(10KB,RK16K1150014-10KB(HF)) 418-Q2221-086 2
VR702,VR906 VR(50KB*2,RK16K12D0038-50KB*2(HF)) 418-Q2422-089 2
VR606,VR901,V

R903 VR(50KMN*2,RK16K124A038-50KMN-(HF)) 418-Q2422-093 3
VR602,VR603,V

R604 VR(50KB,RK16K1140133-50KB(HF)) 418-QMX1-081 3
VR102-

104,VR202­204,VR302­304,VR402­404,VR502-504

VR905 SLIDE VR(50KB*2,RF20112K4110-50KB*2(HF)) 418-RMX50BPM-218 1
VR101,VR201,V

R301,VR401,VR
501

W105,W205,W3
05,W405,W505,
W905

W103,W203,W5
03,W303,W403 11P STRIP PIN HEADER(H=11.6mm) 424-RMX50BPM-109 5

D36,D31,D32,D
33,D34,D35 LED HOLDER(LED-4.5A,H=4.5mm,WHITE) 504-BJ2300-039 6

D707-D710 LED HOLDER(LED3-9A-B,H=9.2mm,BLACK) 504-HDJ2000-076 4
D11 LED HOLDER(LED-16A,H=16.4mm,WHITE) 504-Q2221-077 1
D103*3,203*3,3

03*3,403*3,503*
3,402*3,502*3,9
01*3,903*3,809*
3,810*3,902*3,9
04*3,102*3,202*
3,302*3 LED HOLDER(LED3-8B,H=8.5mm,WHITE)

C602

C611 CERAMIC CAPACITOR(220pF/50V,K,TAPING,Y5P) 413-3113-032 1
C49,C51,C53,C

54,C55,C56,C13
7,C237,C337,C4
37,C537,C622,C
701,C702,C703,
C704,C727,C73
1,C919,C933,C9
34,C935,C936,C
937,C938,C939 CERAMIC CAPACITOR(0.1uF/50V,Z,TAPING,Y5V) 413-3113-035 26

C931,C932 CERAMIC CAPACITOR(1500pF/50V,K,TAPING,Y5P) 413-3113-041 2
C613 POLYESTER CAPACITOR(0.01uF/50V,J,TAPING) 413-3113-057 1
C610 POLYESTER CAPACITOR(0.0022uF/50V,J,TAPING) 413-3113-059 1
C612 POLYESTER CAPACITOR(0.012uF/50V,J,TAPING) 413-3113-060 1
C115,C116,C21

5,C216,C315,C3
16,C415,C416,C
515,C516,C604,
C725,C726,C92
1,C922

C621 ELEC. CAPACITOR(10uF/50V,M,TAPING 5*7,MINI) 413-DM1000-348 1
C733,C734 ELEC. CAPACITOR(2.2uF/50V,M,TAPING 4*7,MINI) 413-DV300-5156 2

ROTARY VR(20K2B*2,RK16K124A01A-20K2B*2(HF)) 418-RMX30-254 15

ROTARY VR(20KA*2,RK16K12D002K-20KA*2(HF)) 418-RMX50BPM-266 5
5P STRIP PIN HEADER(L=15mm,P=2.54mm,180

DEGREES) 424-CDMIX1-038 6

504-RMX30-162

CERAMIC CAPACITOR(33pF/50V,J,TAPING,NPO) 413-3113-029 1

CERAMIC CAPACITOR(68pF/50V,J,TAPING,SL) 413-A100-015 15

48

MIXER PCB ASS’Y PART LIST

REF. NO. DESCRIPTION PART NO. Q’TY
C11 ELEC. CAPACITOR(100uF/10V,M,TAPING 5*7,MINI) 413-HMA2200-5017 1
C614,C917,C91

8
C125,C225,C32

5,C425,C525,C7
23,C724,C927,C
928,C126,C226,
C326,C426,C52
6

C903,C904,C90
9,C910 CERAMIC CAPACITOR(150pF/50V,J,TAPING,SL) 413-HT8015-154 4

C929,C930 ELEC. CAPACITOR(470uF/16V,M,TAPING 8*11) 413-HT8015-164 2
C608,C609 POLYESTER ACPACITOR(0.056uF/50V,J,TAPING) 413-HT8015-168 2
C139,C140,C23

9,C240,C339,C3
40,C439,C440,C
539,C540,C709,
C710,C711,C71
5,C716,C717,C9
13,C914,C915,C
916

C625,C738,C36,
C37,C38,C39,C
42,C43,C44,C45
,C46,C979,C980
,C620 ELEC. CAPACITOR(100uF/16V,M,TAPING 6*7,MINI) 413-HT801K-193 14

C601 CERAMIC CAPACITOR((100pF/50V,J,TAPING,SL) 413-PXE90-107 1
C119,C120,C13

3,C134,C219,C2
20,C233,C234,C
319,C320,C333,
C334,C419,C42
0,C433,C434,C5
19,C510,C533,C
534,C605,C606,
C617,C618,C62
3,C624,C721,C7
22,C901,C902,C
907,C908,C941,
C942 ELEC. CAPACITOR(47uF/16V,MINI) 413-SMX701-696 34

C905,C906,C91
1,C912,C971,C9
72,C973,C974,C
975,C976,C977,
C978,C138,C23
8,C438,C538,C3
38 ELEC. CAPACITOR(0.47uF/50V,M,TAPING 4*7,MINI) 413-SPPW3-233 17

C113,C114,C21
3,C214,C313,C3
14,C413,C414,C
513,C514,C735,
C736

C135,C136,C23
5,C236,C335,C3
36,C435,C436,C

CERAMIC CAPACITOR(22pF/50V,J,TAPING,NPO) 413-HP1010K-199 3

CERAMIC CAPACITOR(47pF/50V,J,TAPING,NPO) 413-HT8015-153 14

ELEC. CAPACITOR(4.7uF/50V,M,TAPING 4*7,MINI) 413-HT801K-191 20

ELEC. CAPACITOR(1uF/50V,M,TAPING 4*7,MINI) 413-SPPW3-234 12

ELEC. CAPACITOR(10uF/25V,M,TAPING 4*7,MINI) 413-SPPW3-235 30

535,C536,C603,
C607,C705,C70
6,C707,C708,C7
13,C719,C737,C
743,C744,C923,
C924,C925,C92
6,C729,C730,C4
7,C48,C50

C615,C712,C71
8 ELEC. CAPACITOR(22uF/16V,M,TAPING 4*7,MINI) 413-SPPW3-236 3

C119,C120,C13
3,C134,C219,C2
20,C233,C234,C
319,C320,C333,
C334,C419,C42
0,C433,C434,C5
10,C519,C533,C
534,C605,C606,
C617,C618,C62
3,C624,C721,C7
22,C901,C902,C
907,C908,C941,
C942 ELEC. CAPACITOR(47uF/25V,M,TAPING 6.3*7,MINI)

Q601,Q603 TRANSISTOR(2SC1740R TAPING) 416-3113-007 2
Q703,Q704 TRANSISTOR(DTC124ES TAPING OR 2SC3400) 416-3113-010 2
Q602 TRANSISTOR(DTA124ES TAPING OR 2SA1346) 416-KC710-038 1
Q31,Q32,Q33,Q

34,Q35,Q36 TRANSISTOR(2SA1015/2SA1015-GR,TAPING)
Q701,Q702 TRANSISTOR(2SK30ATM-GR,TO-92) 416-QFX19-221 2
IC709 IC(78L12,TAPING,TO-92)
R263,R264,R36

3,R364,R463,R4
64,R563,R564 CARBON FILM RESISTOR(33K OHM,1/6W,J,T-26) 412-3113-045 8

R35,R37,R41,R
44,R46,R75,R76
,R77,R78,R80,R
81,R82,R84,R86
,R89,R153,R154
,R253,R254,R35
3,R354,R453,R4
54,R553,R554,R
627,R903,R904,
R915,R916,R94
3,R944

R49,R50,R55,R
56,R58,R62,R63
,R66,R67,R68,R
69,R146,R246,R
346,R446,R546,
R601,R927,R92
8,R57 CARBON FILM RESISTOR(2.2K OHM,1/6W,J,T-26) 412-3113-048 20

R117,R118,R21
7,R218,R317,R3
18,R417,R418,R
517,R518,R611,
R612,R725,R72
6,R937,R938

CARBON FILM RESISTOR(100K OHM,1/6W,J,T-26) 412-3113-047 32

CARBON FILM RESISTOR(12K OHM,1/6W,J,T-26) 412-3113-051 16

413-SPPW3-237

416-KE200X-021

417-DCM370E3-373

34

6

1