background image

 
 
 

MPA4-80 
MPA6-80 

 

 
 

SERVICE MANUAL 

 
 
 
 
 

 
 
 
 

CLIP

4

0

1

2

3

SP CLIP

6

4

CLIP

SP

6

0

10

9

8

7

1

2

3

9

7

10

1

8

2

3

CHANNEL 1

5

CHANNEL 2

5

SP

6

4

SP CLIP

6

4

2

0

10

9

8

7

0

1

3

10

9

8

7

CHANNEL 3

5

CHANNEL 4

5

POWER

SP

6

4

SP CLIP

6

4

1

0

2

3

10

9

8

7

1

0

3

2

10

9

8

7

CHANNEL 5

5

CHANNEL 6

5

6-80

A

CLIP

MP

POWER AMPLIFIER

MULTICHANNEL

ON

OFF

C

E

E

L R

VOL

VOL

VOL

VOL

VOL

VOL

CLIP

4

0

1

2

3

SP CLIP

6

4

CLIP

SP

6

0

10

9

8

7

1

2

3

9

7

10

1

8

2

3

CHANNEL 1

5

CHANNEL 2

5

SP

6

4

SP CLIP

6

4

2

0

10

9

8

7

0

1

3

10

9

8

7

CHANNEL 3

5

CHANNEL 4

5

POWER

4-80

A

MP

POWER AMPLIFIER

MULTICHANNEL

ON

OFF

C

E

E

L R

VOL

VOL

VOL

VOL

Summary of Contents for MPA4-80

Page 1: ...P 6 4 SP CLIP 6 4 1 0 2 3 10 9 8 7 1 0 3 2 10 9 8 7 CHANNEL 5 5 CHANNEL 6 5 6 80 A CLIP MP POWER AMPLIFIER MULTICHANNEL ON OFF C E E L R VOL VOL VOL VOL VOL VOL CLIP 4 0 1 2 3 SP CLIP 6 4 CLIP SP 6 0...

Page 2: ...VICE MANUAL MPA4 80 MPA6 80 INDEX BLOCK DIAGRAM SCHEMATICS COMPONENTS LOCATION SCHEMA AND PART LIST TESTING AND QUALITY CONTROL TECHNICAL CHARACTERISTICS WIRING DIAGRAM MECHANICAL DIAGRAM PACKING DIAG...

Page 3: ......

Page 4: ......

Page 5: ......

Page 6: ......

Page 7: ......

Page 8: ......

Page 9: ......

Page 10: ......

Page 11: ......

Page 12: ...S100 Heatsink FCRAD01000 IC101 TDA 7294 V FCIC729400 IN100 Insulant TIP3 2 FCMICTIP32 J101 B2B EH A FCCTM00020 J102 B4P VH FCCTJ10040 L101 1u 10 FCIND00200 R101 100k0 FCXR151000 R102 1k0 FCXR131000 R1...

Page 13: ......

Page 14: ......

Page 15: ......

Page 16: ......

Page 17: ...7 100p FCXCN21000 C218 100p FCXCN21000 C219 100p FCXCN21000 C220 100p FCXCN21000 C225 22p 2 FCXCN12201 C226 22p 2 FCXCN12201 C227 22p 2 FCXCN12201 C228 22p 2 FCXCN12201 C231 22p 2 FCXCN12201 C232 22p...

Page 18: ...BASX0900 J203 YKF52 5005 FCBASX0900 J204 YKF52 5005 FCBASX0900 NV100 M3 FCTUE00300 NV101 M3 FCTUE00300 Q101 BC857B FCXTT08570 Q102 BC857B FCXTT08570 Q103 BC857B FCXTT08570 Q104 BC857B FCXTT08570 Q107...

Page 19: ...XR242430 R243 24k3 0 5 FCXR242430 R244 24k3 0 5 FCXR242430 R245 24k3 0 5 FCXR242430 R246 24k3 0 5 FCXR242430 R249 20k0 FCXR142000 R250 20k0 FCXR142000 R251 100k0 FCXR151000 R252 100k0 FCXR151000 R253...

Page 20: ...7 5mm FCPONT0175 W113 15mm FCPONT0150 W114 15mm FCPONT0150 W201 12 5mm FCPONT0125 W202 30mm FCPONT0300 W203 25mm FCPONT0250 W204 25mm FCPONT0250 W205 25mm FCPONT0250 W206 25mm FCPONT0250 W207 20mm FCP...

Page 21: ......

Page 22: ......

Page 23: ......

Page 24: ......

Page 25: ...CN21000 C218 100p FCXCN21000 C219 100p FCXCN21000 C220 100p FCXCN21000 C225 22p 2 FCXCN12201 C226 22p 2 FCXCN12201 C227 22p 2 FCXCN12201 C228 22p 2 FCXCN12201 C231 22p 2 FCXCN12201 C232 22p 2 FCXCN122...

Page 26: ...00 J204 YKF52 5005 FCBASX0900 NV100 M3 FCTUE00300 NV101 M3 FCTUE00300 Q101 BC857B FCXTT08570 Q102 BC857B FCXTT08570 Q103 BC857B FCXTT08570 Q104 BC857B FCXTT08570 Q107 MJE15030 FCTR150300 Q108 MJE15031...

Page 27: ...R245 24k3 0 5 FCXR242430 R246 24k3 0 5 FCXR242430 R249 20k0 FCXR142000 R250 20k0 FCXR142000 R251 100k0 FCXR151000 R252 100k0 FCXR151000 R253 100k0 FCXR151000 R254 100k0 FCXR151000 R257 10k0 FCXR141000...

Page 28: ...W114 15mm FCPONT0150 W201 12 5mm FCPONT0125 W202 30mm FCPONT0300 W203 25mm FCPONT0250 W204 25mm FCPONT0250 W205 25mm FCPONT0250 W206 25mm FCPONT0250 W207 20mm FCPONT0200 W211 12 5mm FCPONT0125 W212 1...

Page 29: ......

Page 30: ......

Page 31: ......

Page 32: ......

Page 33: ...D214 LED3R FCLED300RO D215 LED3R FCLED300RO D216 LED3R FCLED300RO IC204 TL072 FCIC072010 IC205 TL072 FCIC072010 R270 10kAx2 FCPR210040 R271 10kAx2 FCPR210040 R272 10kAx2 FCPR210040 R273 10kAx2 FCPR21...

Page 34: ...16 0 FCXR000000 RX218 0 FCXR000000 RX219 0 FCXR000000 W219 20mm FCPONT0200 W220 20mm FCPONT0200 W221 20mm FCPONT0200 W222 20mm FCPONT0200 W224 20mm FCPONT0200 W225 20mm FCPONT0200 WI201 1012 03 40 FC0...

Page 35: ...acement Replaced service part code FCPR210040 When this potentiometer is being replaced after soldering it on the printed circuit board the two leads should be shorted as shown in the picture in order...

Page 36: ......

Page 37: ......

Page 38: ......

Page 39: ......

Page 40: ...D214 LED3R FCLED300RO D215 LED3R FCLED300RO D216 LED3R FCLED300RO IC204 TL072 FCIC072010 IC205 TL072 FCIC072010 R270 10kAx2 FCPR210040 R271 10kAx2 FCPR210040 R272 10kAx2 FCPR210040 R273 10kAx2 FCPR21...

Page 41: ...16 0 FCXR000000 RX218 0 FCXR000000 RX219 0 FCXR000000 W219 20mm FCPONT0200 W220 20mm FCPONT0200 W221 20mm FCPONT0200 W222 20mm FCPONT0200 W224 20mm FCPONT0200 W225 20mm FCPONT0200 WI201 1012 03 40 FC0...

Page 42: ...BRIDGE to ST Connect the signal generator s output to the unit s IN1 input Connect the unit to 230Vac mains socket VERIFICATION Switch the tested unit s Power main switch to ON Verify that the power...

Page 43: ...all clip indicators should be lighting If necessary add a little bit of level to the input signal Set the IN1 IN1 IN2 selector to IN1 and verify that the output level as decreased 6dB QUALITY CONTROL...

Page 44: ...0kHz 0 01 0dB 20k 370VA Weight Mains Depending on your country Input Sensitivity Impedance Power consumption max Out Dimensions S N N 20Hz 20kHz 1W 4 Damping factor 1kHz 8 Slew Rate Channel crosstalk...

Page 45: ......

Page 46: ......

Page 47: ......

Page 48: ...ITY CAP 8 1 FCINTRED3000 MAINS SWITCH W LIGHT 9 3 FCSEPWLS0600 PLASTIC SPACER 6MM 10 1 FCT380401200 SCREW M4x12 TRILOB 11 22 FCT700290900 SCREW 2 9x9 5 D7981 BLACK 12 19 FCT804006000 SCREW M4x6 SPANLO...

Page 49: ...120 SCREW M4x12 D965 SPANLO 9 19 FCT8040060 SCREW M4x6 SPANLO BLACK 10 22 FCT7002909 SCREW 2 9x9 5 D7981 BLACK 11 1 FCBASRE300 MAINS SOCKET 12 2 FCFUS50200 FUSE 4A 13 4 FCBOTD2400 ROTARY KNOB D24 14 1...

Page 50: ...60MM 8 4 FCT8040120 SCREW M4x12 D965 SPANLO 9 19 FCT8040060 SCREW M4x6 SPANLO BLACK 10 22 FCT7002909 SCREW 2 9x9 5 D7981 BLACK 11 1 FCBASRE300 MAINS SOCKET 12 2 FCFUS50200 FUSE 4A 13 4 FCBOTD2400 ROT...

Page 51: ...CBASRE300 MAINS SOCKET 12 2 FCFUS50200 FUSE 4A 13 4 FCBOTD2400 ROTARY KNOB D24 14 1 FCT3804012 SCREW M4x12 TRILOB 15 1 FCARDE0400 TOOTHED WASHER M4 16 1 FCARS40000 SEG WASHER M4 17 1 FCBOR00300 GROUND...

Page 52: ...FCBASRE300 MAINS SOCKET 12 2 FCFUS50200 FUSE 4A 13 4 FCBOTD2400 ROTARY KNOB D24 14 1 FCT3804012 SCREW M4x12 TRILOB 15 1 FCARDE0400 TOOTHED WASHER M4 16 1 FCARS40000 SEG WASHER M4 17 1 FCBOR00300 GROU...

Page 53: ...5X0 8 3 2 FCBOL0010000 BAG 60x80 4 1 FCBOL0020000 PLASTIC BAG 120x180 5 1 FCBOLS020000 STANDARD BAG 75x65 6 4 FCBOTD240100 ROT KNOB PROTECTION COVER 7 1 FCCAJSTA0100 BOX STANDARD 1 8 4 FCCANT118000 I...

Page 54: ...n 1 1 FCCAJSTA01 BOX STANDARD 1 2 4 FCCANT1010 INTERIOR REINFORCEMENT 3 1 FCBOLS0200 STANDARD BAG 75x65 4 2 FCBOL00100 BAG 60x80 5 4 FCPIE11255 RUBBER FOOT 6 1 FCBOL00200 BAG 120x180 7 1 FCCONX0175 MA...

Page 55: ......

Page 56: ......

Page 57: ......

Page 58: ......

Page 59: ......

Page 60: ......

Page 61: ......

Page 62: ......

Page 63: ...FCCE100000 C210 47u 16 FCCE100000 C211 47u 16 FCCE100000 C212 47u 16 FCCE100000 C213 100p FCXCN21000 C214 100p FCXCN21000 C215 100p FCXCN21000 C216 100p FCXCN21000 C217 100p FCXCN21000 C218 100p FCXC...

Page 64: ...5 6V FCXZ000056 D113 Z5 6V FCXZ000056 D114 Z5 6V FCXZ000056 D115 Z5 6V FCXZ000056 HS101 Heatsink for Re FCRAD11515 HS102 Heatsink for TO FCRAD29060 HS103 Heatsink for TO FCRAD29060 IC201 TL074 FCIC074...

Page 65: ...k5 FCXR144750 R113 47k5 FCXR144750 R114 47k5 FCXR144750 R115 47k5 FCXR144750 R116 47k5 FCXR144750 R117 47k5 FCXR144750 R118 47k5 FCXR144750 R119 47k5 FCXR144750 R120 47k5 FCXR144750 R121 47k5 FCXR1447...

Page 66: ...42430 R246 24k3 0 5 FCXR242430 R247 24k3 0 5 FCXR242430 R248 24k3 0 5 FCXR242430 R249 20k0 FCXR142000 R250 20k0 FCXR142000 R251 100k0 FCXR151000 R252 100k0 FCXR151000 R253 100k0 FCXR151000 R254 100k0...

Page 67: ...15mm FCPONT0150 W114 15mm FCPONT0150 W201 12 5mm FCPONT0125 W202 30mm FCPONT0300 W203 25mm FCPONT0250 W204 25mm FCPONT0250 W205 25mm FCPONT0250 W206 25mm FCPONT0250 W207 20mm FCPONT0200 W208 25mm FCP...

Page 68: ......

Page 69: ......

Page 70: ......

Page 71: ......

Page 72: ...C210 47u 16 FCCE100000 C211 47u 16 FCCE100000 C212 47u 16 FCCE100000 C213 100p FCXCN21000 C214 100p FCXCN21000 C215 100p FCXCN21000 C216 100p FCXCN21000 C217 100p FCXCN21000 C218 100p FCXCN21000 C219...

Page 73: ...056 D114 Z5 6V FCXZ000056 D115 Z5 6V FCXZ000056 HS101 Heatsink for Re FCRAD11515 HS102 Heatsink for TO FCRAD29060 HS103 Heatsink for TO FCRAD29060 IC201 TL074 FCIC074010 IC202 TL074 FCIC074010 IC203 T...

Page 74: ...5 47k5 FCXR144750 R116 47k5 FCXR144750 R117 47k5 FCXR144750 R118 47k5 FCXR144750 R119 47k5 FCXR144750 R120 47k5 FCXR144750 R121 47k5 FCXR144750 R122 47k5 FCXR144750 R201 100k0 FCXR151000 R202 100k0 FC...

Page 75: ...R249 20k0 FCXR142000 R250 20k0 FCXR142000 R251 100k0 FCXR151000 R252 100k0 FCXR151000 R253 100k0 FCXR151000 R254 100k0 FCXR151000 R255 100k0 FCXR151000 R256 100k0 FCXR151000 R257 10k0 FCXR141000 R258...

Page 76: ...2 5mm FCPONT0125 W202 30mm FCPONT0300 W203 25mm FCPONT0250 W204 25mm FCPONT0250 W205 25mm FCPONT0250 W206 25mm FCPONT0250 W207 20mm FCPONT0200 W208 25mm FCPONT0250 W209 25mm FCPONT0250 W210 30mm FCPON...

Page 77: ......

Page 78: ......

Page 79: ......

Page 80: ......

Page 81: ...CXDDBAS16 D205 BAS16 FCXDDBAS16 D206 BAS16 FCXDDBAS16 D207 LED3G FCLED300VE D208 LED3G FCLED300VE D209 LED3G FCLED300VE D210 LED3G FCLED300VE D211 LED3G FCLED300VE D212 LED3G FCLED300VE D213 LED3R FCL...

Page 82: ...FCXR131500 R303 1k50 FCXR131500 R304 1k50 FCXR131500 R305 1k50 FCXR131500 RX208 0 FCXR000000 RX209 0 FCXR000000 RX210 0 FCXR000000 RX211 0 FCXR000000 RX212 0 FCXR000000 RX213 0 FCXR000000 RX214 0 FCXR...

Page 83: ...acement Replaced service part code FCPR210040 When this potentiometer is being replaced after soldering it on the printed circuit board the two leads should be shorted as shown in the picture in order...

Page 84: ......

Page 85: ......

Page 86: ......

Page 87: ......

Page 88: ...CXDDBAS16 D205 BAS16 FCXDDBAS16 D206 BAS16 FCXDDBAS16 D207 LED3G FCLED300VE D208 LED3G FCLED300VE D209 LED3G FCLED300VE D210 LED3G FCLED300VE D211 LED3G FCLED300VE D212 LED3G FCLED300VE D213 LED3R FCL...

Page 89: ...FCXR131500 R303 1k50 FCXR131500 R304 1k50 FCXR131500 R305 1k50 FCXR131500 RX208 0 FCXR000000 RX209 0 FCXR000000 RX210 0 FCXR000000 RX211 0 FCXR000000 RX212 0 FCXR000000 RX213 0 FCXR000000 RX214 0 FCXR...

Page 90: ...LINK CH3 IN6 LINK CH4 to LINK CH4 ST BRIDGE to ST Connect the signal generator s output to the unit s IN1 input Connect the unit to 230Vac mains socket VERIFICATION Switch the tested unit s Power main...

Page 91: ...nnect them to outputs 5 6 Turn up channel five s input triming potentiometer and check that it s sweep is complete and smooth At its maximum position check that Vo 14V and that the output signal monit...

Page 92: ...hich should be distorsion and noise free Also check that all potentiometers can run smoothly their whole sweep without annoying noises and crisperings At their minimum position check that output signa...

Page 93: ......

Page 94: ......

Page 95: ......

Page 96: ...CINSPLA10 11 BINDING P SECURITY CAP 8 1 FCINTRED3000 MAINS SWITCH W LIGHT 9 3 FCSEPWLS0600 PLASTIC SPACER 6MM 10 1 FCT380401200 SCREW M4x12 TRILOB 11 33 FCT700290900 SCREW 2 9x9 5 D7981 BLACK 12 19 FC...

Page 97: ...EW M4x12 D965 SPANLO 9 19 FCT8040060 SCREW M4x6 SPANLO BLACK 10 33 FCT7002909 SCREW 2 9x9 5 D7981 BLACK 11 1 FCBASRE300 MAINS SOCKET W FUSE 12 2 FCFUS50180 FUSE 6 3A T 13 1 FCT3804012 SCREW M4x12 TRIL...

Page 98: ...0MM 8 4 FCT8040120 SCREW M4x12 D965 SPANLO 9 19 FCT8040060 SCREW M4x6 SPANLO BLACK 10 33 FCT7002909 SCREW 2 9x9 5 D7981 BLACK 11 1 FCBASRE300 MAINS SOCKET 12 2 FCFUS50180 FUSE 6 3A T 13 1 FCT3804012 S...

Page 99: ...SRE300 MAINS SOCKET 12 2 FCFUS50180 FUSE 6 3A T 13 1 FCT3804012 SCREW M4x12 TRILOB 14 1 FCARDE0400 TOOTHED WASHER M4 15 1 FCBOR00300 GROUND TERMINAL 16 1 FCARS40000 SEG WASHER M4 17 6 FCBOTD2400 ROTAR...

Page 100: ...BASRE300 MAINS SOCKET 12 2 FCFUS50180 FUSE 6 3A T 13 1 FCT3804012 SCREW M4x12 TRILOB 14 1 FCARDE0400 TOOTHED WASHER M4 15 1 FCBOR00300 GROUND TERMINAL 16 1 FCARS40000 SEG WASHER M4 17 6 FCBOTD2400 ROT...

Page 101: ...5X11 5X0 8 3 2 FCBOL0010000 BAG 60x80 4 1 FCBOL0020000 PLASTIC BAG 120x180 5 1 FCBOLS020000 STANDARD BAG 75x65 6 6 FCBOTD240100 ROT KNOB PROTECTION COVER 7 1 FCCAJSTA0100 BOX STANDARD 1 8 4 FCCANT118...

Page 102: ...1 FCCAJSTA01 BOX STANDARD 1 2 4 FCCANT1010 INTERIOR REINFORCEMENT 3 1 FCBOLS0200 STANDARD BAG 75x65 4 2 FCBOL00100 BAG 60x80 5 4 FCPIE11255 RUBBER FOOT 6 4 FCARN50000 WASHER 5X11 5X0 8M 7 4 FCARAT3000...

Reviews: