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Index SERVICE MANUAL

1. a BU BOB SORES mm 737147 AMPLIFIER ASSEMBLY 230Vac EU C8C470P A DO 7 220 E a 737148 AMPLIFIER ASSEMBLY 115Vac US 6 INOTE ALL BOARDS COMPLETELY ASSEMBLED AND CHECKED INCLUDED 2 gt A D2 L3CBLM2 CS7C 470 A D3 gt PI2 8IRO CK256FS 5 1 3 A AS 05 9 PIS BIRI MC33078 Mi A D7 PIS BIR3 DES 452 2 1 A AB A D8 m 2 DAC3 2 236 470 zh RESET A AS A DS 4 768278 AMPLIFIER BOARD 17 5 zit aao Z ao NOTE ALL DEVICES MOUNTED ON HEATSINK ARE NOT INCLUDED paca 470P DACS OUTR R26C 4K7 RI7C 220 aon o P20 Bmg 84 5 8 c2sc 470 2 BB_LE a L4C BLM21 CSBC 470 013 0 BB_LR O 25 256 479 Coacou A AMM co H 5 Risc 220 ALANI MDO_1 FSYNC O I cre ce lt lt 6 MDI O FSYNC 5 MC33078 A MS ven R30C 100E MD PI CK32 T ACE 7 MD2 0 PI0 F532 y T aae Q ALDASAD R28C 100E 5 2 8350 22E C38C 20 MODEL GM CODE MC33078 p2svsol 2 1 22P foe 87 0400 557029 26 500 H ADC2 TAR 1557030 RA4C 22 51 557031 P27 SCk ADCS nave 2552 TSA 55
2. 2N5550 TO92 Npn Transistor 090153 BC327 TO92 Pnp Transistor 081000 PMLL4148 Smd 100 75V Signal Diode 080245 7V5 1W 5 Zener Diode 080171 FE6B 6A 100V Fast Recovery Diode 080156 1N4002 1A 100V Rectifier Diode 080103 1N4148 100 75V Signal Diode 070106 470E 20 Horizontal Linear Trimmer 060591 8K2 2W 10 Resistor 060339 47E 5W 10 Wire Resistor 060051 0 22 5W 5 Wire Resistor 055062 150K 1 16w 5 Smd Resistor 0603 055060 100K 1 16w 5 Smd Resistor 0603 055056 47K 1 16w 5 Smd Resistor 0603 055055 39K 1 16w 5 Smd Resistor 0603 055052 22K 1 16w 5 Smd Resistor 0603 055050 15K 1 16w 5 Smd Resistor 0603 055048 10K 1 16w 5 Smd Resistor 0603 055044 4K7 1 16w 5 Smd Resistor 0603 055036 1K 1 16w 5 Smd Resistor 0603 055034 680E 1 16w 5 Smd Resistor 0603 055030 330E 1 16w 5 Smd Resistor 0603 055012 10E 1 16w 5 Smd Resistor 0603 052058 68K 1 8w 5 Resistor 052056 47K 1 8w 5 Resistor 052049 12K 1 8w 5 Resistor 052047 8K2 1 8w 5 Resistor 052044 4K7 1 8w 5 Resistor 052040 2K2 1 8w 5 Resistor 052038 1K5 1 8w 5 Resistor 052036 1K 1 8w 5 Resistor 052035 820E 1 8w 5 Resistor 052033 560 1 8w 5 Resistor 052032 470E 1 8w 5 Resistor 052031 390E 1 8w 5 Resistor 052022 68E 1 8w 5 Resistor 052020 47E 1 8w 5 Resistor 050351 680E 1 4W 5 Resistor 050131 10E 1 4W 5 Resistor 050091
3. 4 7 1 AW 5 Resistor 040134 10E 1 2W 5 Resistor 030883 10000uF 63V 20 Snap In Electrolytic Capacitor 030882 10000uF 50V 20 Snap In Electrolytic Capacitor 030715 1000u 6V3 20 Vert Electrolytic Capacitor 030565 220u 25V 20 Vert Electrolytic Capacitor 030525 2200u 63V 20 Snap In Electrolytic Capacitor 030324 22u 50V 20 Vert Electrolytic Capacitor 030247 10u 25V 20 Vert Electrolytic Bipolar Capacitor 030245 10u 50V 20 Vert Electrolytic Capacitor 030124 030005 Ju 50V 20 Vert Electrolytic Capacitor 021024 100n 63V 10 MKT Polyester Capacitor 021008 4n7 63V 10 MKT Polyester Capacitor 011244 7 16V 10 Cer Smd CL2 X7R 0603 011218 33p 16V 10 Cer Cap Smd CL2 X7R 0603 010595 100n 50V 20 80 Ceramic Cap Multilayer 010462 in 50V 10 CL2 Ceramic Capacitor 010426 470p 50V 10 CL2 Ceramic Capacitor 010413 390p 50V 10 CL2 Ceramic Capacitor 010405 220p 500V 10 CL2 Ceramic Capacitor 010335 100p 500V 10 CL2 Ceramic Capacitor 010304 47p 50V 1096 CL2 Ceramic Capacitor 080821 100 PTH9LO4BD222TS2F330 Murata Power Devices 100060 7815 15V 1A Voltage Regulator 100059 7805 5V 1A Voltage Regulator 100049 7915 15V 1A Voltage Regulator 090920 MJE802 TO126 Npn Darl Transistor 090919 15031 TO220 Pnp Transistor 090918 15030 TO220 Npn Transistor 090863 TIP36C TO218 Pnp Transistor 090862 TIP35C TO218 Npn Transistor SKK090014
4. OR EQUIVALENT 4 218 470 SENSE 5 E 5 48 L 3y mns 1 MIETSOSO NOTE THIS DIODE 7 7 u 5 MJE340 2 MUST BE AT LEAST 479 OURS 8 nsv Y ECC R20 12K 1 487 WITH E 5 10 5v 4 13 8 7 255200 2 ae RSBIK2 p t LINE MIC TK De 70 877 5 p s gt SIGNAL E ICB VOLUME LOW OUT 13 LOW OUT 13 2 5 LIMIT oF MC33078 14 x 2 13 VRIB K 9 38 DL B R89 100 g 528 14 RNB_6KBCIBB_3N3 BEATS INK 2 74 2 E Boz Low PWR 1c1B VRI 470E MC33078 RIOB 10K g Sen OUTPUT c26822P Lr t 228 470 54 R21B 820E T C28 47U DES CE R76 C3 4N7 R7S 47K 1 450 e 208 22P F co98 R178 m 25 222082 En WOOFER SPEAKER MIC L INE 10 cse t 0303 E RISB 15K E 4 E P E RIBB 74 lt BIEN Ej R3 470E SENSITIVITY yp L 0 S MC33078 22 C36 100 O 40dBu 4dBu RI4B 390E C288 100 d W cse 2 1 16 Si 14 co MC33078 3 caper sh PN MC33078 C 6 100N R32 12 3 2t 12 5VD DIGITAL SUPPLY 125 C35 33P 25 1843 lt 5 t V c38 MC33078 TRE LINK MC33078 mE SIN 3 TRIB C40 390P 2 15031 p 5vD aoln asoy 4962 6 3 1 1698 R74 took M ESSU 999 s Cv 220 29888 Bi reca pI 2 NT 2
5. 18 862 sv Sz Sev 30 80 5 8 108 999994 E p 8 E S aj 25 80660668 os 4s S 5 34 15 4 2 M a S 5 ow 4oo2ns2 2 N o 2 3 MJE350 on 2 5 T sedg 2 x Z R AJ N 5 2 9 Nes z c WW 5 2025 4N7 9 SHIELD o 8 2 5 5 gt No M TR7 Di 4002 R51 47 2 El MZ 5 a e 3 POWER gt 5 1203 MJE340 4 4 o m D 5 5 g a TRIZ ul x 2 Yn 8 5 8 2N54001 lt TIP35C 2 C88 33N gt S 5 3 i 2 15v 1 M Ya NOTE ALL DC VOLTAGES ENCLOSED INTO SQUARES ARE CHASSIS 768282 INPUT amp CONTROL BOARD Pces313125 MEASURED IN STEADY STATE WITHOUT INPUT SIGNAL sU x 3 AT 25 C AND NOMINAL MAINS VOLTAGE zy y 5 NOTE THE SYMBOL REFERENCE HAS SUFFIX ON SCHEMATIC DRAWING ONLY 0 PCB S REF HAS NOT SUFFIX 768283 FUSES BOARD A gt gt vCC2 238094 A sv 400W 230VAC TRANSFORMER EU T6 3A D2A IN4002 2 x 238095 je 5 DC OFFSET PROTECTION MUTING 400W MSVAC TRANSFORMER US avery 5 5 RED p 3 4 1 4 7815 2 TR23 4 4 BC847 MAINS POWER ON OFF A FAATE 3A 230Vac 10 50 60Hz EU cM 23 122 7805 10 50 60Hz US 1 SUPPLY SENSE 2 gt CABLE N INLET 2 VCC2 2m gt 2 TR25 4 Sim 9e Y BC857 5 3 a
6. 340186 340154 340079 340078 180707 177800 150314 150298 120963 120841 120825 120784 120587 120582 120484 120482 120481 120456 120451 120256 21mm Gray Knob 14mm Black Knob 10x5 5mm h 17 5mm Black Button Actuator Heatsink Support 14 Wires 5cm Flat Cable Single 15cm AWG18 White Faston Faston Wire 7 5cm Yel Grn Faston Faston AWG18 Wire Amplifier Chassis Adhesive Cable Fixing TO3P TO218 Mica Washer TO220 Mica Washer TO220 Insulated Bush GND Symbol Adhesive Label Amplifier HeatSink 6 3mm Faston Insulator 100x2 5mm Nylon Cable Tie 15 3mm Spacer Screw 6 3mm Female Brassed Faston 6 2mm Spacer Screw 7 3 Spacer Screw M6 Black Nut M3 Black Nut 6mm Black Shakeproof Washer 4mm Black Shakeproof Washer 3mm Black Shakeproof Washer 6 5x12 5x1 5 Black Washer 3 2x7x0 5 Black Washer B2 9x9 5tsp Black Screw x X Xx xx x xx x xx 120130 M6x70te Black Screw 120113 M3x4tc Black Screw 120063 M4x20tc Black Screw 120029 M3xe6tc Black Screw 120025 M3x10tsp Black Screw 120005 M3x10tc Screw 120003 M3x8tc Black Screw 120001 M3x6tsp Screw Supply Assembly 110614 Mains Socket 110291 16A 250Vac Bipolar Power Switch 020491 100 10 250Vac Polyester Capacitor 238094 230V 400W Toroidal Transformer EU 238095 115V 400W Toroidal Transformer US 110018 6 Fuse 5x20mm EU 110018 6 Fuse 6 3x32mm US Fuse
7. PIES 4 4 4 4
8. a 43 8 8 T at 5 215 3 B o 4 GND 125 Ics N HS veces 5 MC33078 MC33078 S508 m 8 vcc2 2 52 l 4 x m 2 98 o i5 V om RB 47K Ct gt 53 5 RED 218 A 2l PCBH313120 F2AT6 3A 123 7915 VE 15 4 15v 0 p T vCc2 v DRW wes 550740 PCBS 31305 315120 313121 315125 GENERALMUSIC S p A ITALY NOTE THE SYMBOL REFERENCE HAS SUFFIX ON SCHEMATIC DRAWING ONLY CRONE RICE DATE 2370 2003 SCHEMATIC DIAGRAM PCB S REF HAS NOT SUFFIX APP L GIBIN REV D400 DSP POWERED LOUDSPEAKER rc CONSENT BY GENERALMUSIC 1 5 3 FI T 63 A 250V 52 313120 1 00 HIGH OUT BG e C23 ILOW OUT P5 D KI Enig Dis DM Hj 020 22 O 3015 1 C mig RIG C12 E g RII 12 L1 t7 5 820 RIG jm RIg mis di R25 25 TEC SS SM 033 R35 iam F2 T amp 3 2580 ONLY WITH SAME TYPE FUSE CAUTION i Vcc2 GND 4 gt H v E 2 a ul m 2 u z 2 lt lt Vcc2 Vac os Oo n Rp R47 1 D4 n PE ot ATTENTION RED QFP208 Package pin out F3 T 6 3 A 2500 K
9. BOARD DWG 550739 PCBH 313131 PCBH 313131 GENERALMUSIC S p A ITALY CKD F GATTO APP N ZAVATTA DATE 15 08 03 REV B SCHEMATIC DIAGRAM X300 4o0hm CROSSOVER BOARD X500 8ohm CROSSOVER ALL RIGHTS ARE RESERVED NO COPIES OR REPRODUCE THIS DOCUMENT WITHOUT WRITTEN CONSENT GENERALMUSIC 8ohm 12 C4 2U2 R4 22E 150 5 2 2 R10 OE47 HIGH WOOFER SPEAKER 227098 Is CS 105 20W R12 10E 20W 0 55MH 100V TIP122 27 ANN SW L1 8H 8934 11 89 1 COMPRESSION DRIVER 229048 THE SERVICE DRW G RICCI IS MADE ONLY BY REPLACEMENT OF ENTIRE BOARD DWG 550749 PCBH 313131 PCBH 313131 GENERALMUSIC S p A ITALY CKD GATTO DATE 28 07 03 SCHEMATIC DIAGRAM APP ZAVATTA REV A X3500 8ohm CROSSOVER BOARD ALL RIGHTS ARE RESERVED NO COPIES OR REPRODUCE THIS DOCUMENT WITHOUT WRITTEN CONSENT BY GENERALMUSIC Spare Part List Legend EU Europe Version 230Vac 05 0 5 Version 115Vac Code Description Optional Accessories 950978 950860 950199 951390 951391 951133 Wall Mount Support SC31 Aluminium Telescopic Stand for DA00 SAT T5SA SUB SC20 Metallic Telescopic Stand for D400 X300 standalone SC30 Aluminium Telescopic Stand for D400 X300 st
10. sec and then it flashes again the check it is ready start ADVICES If the input sinewave appears to be distorted during the negative cycle you can assume that the problem is located somewhere in the circuitry of the positive rail If the positive cycle appears distorted you can assume that the problem is in the circuitry of the negative low rail Refer to the schematics If you have determinate that the problem is a short on a supply rail you must check the output transistors to determine which transistor devices are bad Use a soldering iron to lift one leg of each emitter pin and measure the emitter collector resistance on each device Unsolder and lift one leg of each base pin and check the base collector resistance of each transistor and replace any that measure as a short If all the transistors are OK unsolder and lift one leg of each diode and check them Check the circuit board for open foil traces Use the Multimeter as Ohm meter to check the resistors particularly the base and emitter resistors of damaged transistor PEAK PEAK TRANSISTOR PACKAGES T092 T0126 T0220 T0254 oOo soT89 123 NN x 8 E 4 sor23 2 1 E ud 3 123 125 123 1 258 ee 55 iil
11. the Speakers Turn at centre nominal level the VOLUME potentiometer Insert the jumper between pini and pin3 of CN1 Set the ENCODER rotary switch on preset LEM INDOOR e Connect the audio generator to the input and set it to 1000Hz 10dBu 245mV sinu soidal signal Connect the oscilloscope probe CH1 to the LOW OUT clip to 53 and tip to before RL1 R15 side RL1 set it to 5V div 200 5 Connect the oscilloscope probe CH2 to the HIGH OUT clip to 52 and tip to S1 set it to 5V div 200uS div The load resistors are disconnected The procedures that follow must be executed subsequently in the order specified SUPPLY CHECK Verify with the Multimeter the insulation between the heatsink and all device packages TR1 2 3 4 6 8 14 15 20 IC1 2 3 4 e Verify with the Multimeter the PTC resistor value it must be between 50 and 200 Remove the transformer secondary fuses set the to the nominal mains voltage check with the Multimeter the AC supply voltages F1 F2 93 2Vac F3 F4 50 41 5Vac Re set the Variac at zero voltage turn off the amplifier and put the fuses back on its holders e Set up the Variac slowly monitoring the oscilloscope screen starts from 2 3 of nominal mains voltage it should display the sinusoidal signal amplified without distortions and without any DC voltage if a distortion occur or the protection trips check the amplifier as suggested in
12. 00W amplifier for the HF driver builded with integrated device and operating in class AB VISUAL CHECK Check the speakers for any damaging cone breaking interruption or further Before proceed to supply the amplifier check visually the internal assembly if appears evident damage find the most possible reasons that cause it Check the wiring cables for possible interruptions or shorts If the damage has burnt a printed circuit board don t try to repair it replace with a new one TEST INSTRUMENTS e Audio Generator e Dual Trace Oscilloscope Digital Multimeter Temperature Meter 4ohm 500W 8ohm 150W 100 50W resistors Variac 0 250Vac TECHNICAL SPECIFICATIONS Power Requirements 230Vac 10 50Hz 400VA or 115 10 50 60Hz 400 Max Low Out Power 290W Max High Out Power 8ohm 64W Low Out 4ohm 96Vpp High Out 8ohm 64Vpp Frequency Response 10dB 45Hz 20KHz Frequency X Over Low High 2 2KHz Nominal Input Sensitivity 4dBu 1 229 s Mic Max Input Sensitivity 40dBu 7 75mVuus Input Impedance balanced 30Kohm unbalanced 15Kohm Voltage Gain nominal 29 1dB IMD SMPTE 60Hz 7KHz 4 1 lt 0 1 THD THD N lt 0 1 S N Ratio unweighted gt 100dB Note measured with the IHF standard method and without limiters SETUP Connect the between the mains and the amplifier and set it at zero voltage Disconnect all
13. 2SA1943 TO264 Pnp Transistor SKK090013 2SC5200 TO264 Npn Transistor 080609 GBPC2502W 25 200V Rectifier Diode Bridge X300 Accessories 277407 Owner s Manual Cabinet Assembly 841338 40cm Blue Black 0 75mm Faston Faston Dual Wire 841337 40cm Brown Black 1 50mm2 Faston Faston Dual Wire 768297 4 Ohm Crossover amp Protection Board PcbX 313131 This part is replaced entirely only 768302 8 Ohm Crossover amp Protection Board PcbX 313131 This part is replaced entirely only 667780 Handle 667767 Speaker Protection Grid 347423 Rear Speaker Chassis 347419 Stand Fixing Knob 347418 29x20mm Rubber Foot 347417 Compression Driver Support Throat 347415 Front Speaker Chassis 229048 1 8ohm Compression Driver 229051 1 80hm Diaphgram for 229048 Driver 227087 12 Woofer 227098 12 8ohm Woofer 210288 3mm Rubber Sealer specify mt 210217 Black Sealer specify mt 180835 X300 Adhesive Label 150298 100x2 5mm Nylon Cable Tie 120976 M5x20 Screw M10x27 Nut M4 Int thread Spacer 120975 M10 Suspension Point M14 external turned 120606 M14x8 Nut 120525 5mm Black Spring Washer 120477 28x15x2 5 Washer 120461 5 3x10x1 Black Washer 120387 WL5x50tc Black Screw 120364 WL3 5x12tt Black Screw 120341 WL4x20tt Black Screw 120336 WL4x25tt Black Screw 120157 M5x50tt Screw 120147 M4x10tt Black Screw 120083 M6x25te Black Screw 727655 4 Ohm Input Panel Assembly 778165 Single Speakon Cables Assembly 141200 Speakon Socket NL4MP Neutrik 6
14. 3 055039 1K8 1 16w 5 Smd Resistor 0603 055038 1K5 1 16w 5 Smd Resistor 0603 055035 820E 1 16w 5 Smd Resistor 0603 055030 330E 1 16w 5 Smd Resistor 0603 055028 220E 1 16w 5 Smd Resistor 0603 055024 100E 1 16w 5 Smd Resistor 0603 055016 22E 1 16w 5 Smd Resistor 0603 031007 10u 16V 20 Smd Electrolytic Tantalium Capacitor 030715 1000u 6v3 20 Vert Electrolytic Capacitor 030403 47u 25V 20 Vert Electrolytic Capacitor 030245 10u 50V 20 Vert Electrolytic Capacitor 011260 100n 16V 10 Cer Smd CL2 X7R 0603 011242 3n3 16V 10 Cer Smd CL2 X7R 0603 011238 1n5 16V 10 Cer Smd CL2 X7R 0603 011232 470p 16V 10 Cer Smd CL2 X7R 0603 011216 22 16V 10 Cer Smd CL2 X7R 0603 011214 15p 16V 10 Cer Smd CL2 X7R 0603 010742 12 288MHz Quartz Amplifier Board 768278 Amplifier Board Pcb 313120 141102 6 Contacts Vert Male Connector 141015 14 Contacts Vert Female Connector 130398 AWG24 6 Wires 2 5mm Flat Cable 120857 6 3mm Vertical Male Faston for Pcb 110316 Relay 24V 1 Switch no 16A 250V 106001 MC33078P SOIC Dual Low Noise Op Amp 100965 TDA7294 70W Audio Amplifier with Mute 091001 BC857B C TO236 Smd Pnp Transistor 9BB C 3F G 091000 BC847B C TO236 Smd Npn Transistor 8BB C 1F G 090917 MJE350 TO126 Pnp Transistor 090916 MJE340 TO126 Npn Transistor 090201 2N5401 TO92 Pnp Transistor 090200
15. 67782 4 Ohm Input Panel 120581 Black Self Locking Nut 120451 3 2 7 0 5 Black Washer 120030 M3x12tsp Black Screw 727656 8 Ohm Input Panel Assembly 778178 Dual Speakon Cables Assembly 141200 Speakon Socket NL4MP Neutrik 667783 8 Ohm Input Panel 120581 M3 Black Self Locking Nut 120451 3 2 7 0 5 Black Washer 120030 M3x12tsp Black Screw Ju 50V 20 Vert Electrolytic Bipolar Capacitor Note All dimensions are in mm unless otherwise specified The screw description is defined as follows type of screw diameter X length type of head where type of screw is one of these M Metric thread B Self tapping screw for metal WL Self tapping screw for wood and type of head is one of these tc cylinder Phillips head ts flared Phillips head tt rounded Phillips head te hexagonal nut head tsp flat flared Phillips head tce cylinder Allen hexagonal head tspe flat flared Allen hexagonal head The washer description is defined as follow hole diameter X external diameter X thick Each spare part is single quantity unless otherwise specified Asterisk prefix explanation Omitted First level spare part One asterisk Second level part of previous listed first level part Two asterisk Third level part of previous listed second level part Three asterisk Any request for not above mentioned part must encompass specific description includin
16. 7032 R34C 22E 4K7 Voces R38C 100E TGA 557033 VCCI PZI ADO y M4 WS 1 P23 ALE TSSA 557034 P22 AD J 18 67 P30 A30 T4MA 557035 14 ed aM S 028 557036 R48C 330E TAAA ADEN W 271153 RA2C 4K7 lt Pot 24 S cec P02 030 X 2 TDA7284 7 13 183 teste 515 INTI 220 R70 47K R2 _ a 3 INT2 HIGH PWR gt 33078 E gt jer 5VD 177 REFCLK 4 MODS INT3 NC sov OUTPUT ICSC MAX708L DEE Pod 9l R71 15K T de ades LOU D TEL C2 K 5 2240482 3 52 24 laser s 8 mds pail T is ui COMPRESSION DRIVER S P28 STBO Mis XTIN cs x P23 STBT RA3C 4K7 D 58 MUTE STBY amp L3 MC33078 N x 25 xrouT D D m 25515 i i 8 PNA Zune RSOC 220E M 0 03 8 216 12 288 2 y LOGIC SUPPLY ADC PLL MC33078 D D4 m ADC SUPPLY D DS J3 z z z zz z iz z z zz m 006 gt D 4148 5 5 5 5 5 5 5 ojs o gt 1 9215 15 15 95 15 9 ERES 5 3 o 8 39k RE TOU gmo m m 4 VCC SENSE m eae 5 f c 3SVb seve 5 5 0 vs 9 S ur 243 D D 0 e 2 5 51 e 218 E oO o 2 i NEN
17. Index Technical Specifications Test Preocedures amp Adjustments Schematic Diagrams PCB Layouts PROFESSIONAL SOUND Passive Version Schematic Diagrams Spare Part List Notice Service must be carried out by qualified personnel only Any tampering carried out by unqualified personnel during the guarantee period will forfeit the right to guarantee For a correct operation of the instrument after having switched off be careful to wait at least 3 seconds before switching on again To improve the device s specifications the schematic diagrams may be subject to change without prior notice All components marked by this symbol have special safety characteristics when replacing any of these components use only manufacturers specified parts The u micro symbol of capacitance value is substituted by U The 0 omega symbol of resistance value is substituted by E The electrolytic capacitors are 25Vdc rated voltage unless otherwise specified All resistors are 1 8W unless otherwise specified All switches shown in the OFF position All DC voltages measured to ground with a voltmeter 20KOhm V Soldering point 4 Supply voltage 4 Logic supply ground e Male connector s Test point 4 Analog supply ground 2 Female connector lt gt Flag joined with one or more flags Chassis ground M F faston connector with the same signal name inscribed ground ENTION Observe precautions when handling elect
18. andalone T5SA 230V Active Subwoofer EU T5SA 115V Active Subwoofer US 15mt Speakon Speakon Dual Wire Cable D400 Accessories 277395 130297 130283 Owner s Manual Italian English Mains Cable 10A EU Mains Cable 10A US Cabinet Assembly 841336 841333 667780 667767 347419 347418 347417 347416 347415 229048 229051 227087 210288 210272 210217 180829 150298 120976 120975 120606 120525 120477 120461 120387 120341 120336 120157 120147 120083 65cm Brown Black 1 50mm2 Faston Faston Dual Wire 65cm Blue Black 0 75mm2 Faston Faston Dual Wire Handle Speaker Protection Grid Stand Fixing Knob 029 20 Rubber Foot Compression Driver Support Throat Rear Speaker Chassis Front Speaker Chassis 1 8ohm Compression Driver 1 80hm Diaphgram for 229048 Driver 12 4ohm Woofer 3mm Rubber Sealer specify mt Speaker Filler 400gr m2 30x50x4cm Black Sealer specify mt DSP Adhesive Label 100x2 5mm Nylon Cable Tie M5x20 Screw M10x27 Nut M4 Int thread Spacer M10 Suspension Point M14 external turned M14x8 Nut 5mm Black Spring Washer 28x15x2 5 Washer 5 3x10x1 Black Washer WL5x50tc Black Screw WL4x20tt Black Screw WL4x25tt Black Screw M5x50tt Screw M4x10tt Black Screw M6x25te Black Screw Amplifier Assembly 737147 737148 Amplifier Assembly 230V EU Amplifier Assembly 115V US Miscellaneous SKK347015 SKK347014 SKK347013 SKK177009 841325 841280 841005 667768
19. ase the input signal when the input signal reaches about 2dBu 0 976V the amplifier output reaches its maximum output before clipping at about 30 2V 27 2V with load attached and an input signal of about 1dBu Switch the generator frequency to 100Hz and 10KHz no level changes respect to 1KHz must be detectable Connect the 8ohm 150W load on output and repeat the check MIC INPUT CHECK e Set up the generator to 1KHz 40dBu 7 75mV sinusoidal signal Rotate full clockwise max level the VOLUME potentiometer CH1 oscilloscope trace attached to LOW output amplifier must be equal to 60x 5V without load attached ENCODER amp SIGNAL LIMIT CHECK Switch off wait some seconds and then switch on the amplifier a testing loop will start The SIGNAL LIMIT led lights green for three sec and red for another three sec Waiting six sec the led starts to flash in green colour rotate the PRESET encoder on CD PLAYER SW position the green led remains lighted for three sec the CPU DSP confirms the right encoder reading Waiting another three sec the led starts again to flash in green colour rotate the PRESET encoder on FLAT position the red led remains lighted for three sec to confirm the right encoder reading Waiting another three sec the led starts again to flash in green colour the check is end eIf you want to start it again you have to select LEM INDOOR SW the led switch off for three
20. c connect a 1000hm 50W resistor across the applicable caps to discharge them for your safety Remember to remove the discharge resistor immediately after discharging caps Do not power up the amplifier with the discharge resistor connected Read these notes entirely before proceeding to any operation These notes are not com prehensive of all damages that possibly occur but includes some specifically advices checks and adjustments relative to this amplified speaker Do not check the amplifier with the speakers connected use the appropriate load resistors only BE CAREFUL increasing the Variac you must not exceed the nominal mains voltage plus its tolerance see specifications any upper voltage can be cause of damage REMARKS This loudspeaker system is processed by a RED 40bit DSP Digital Signal Processor the processor supervise all louspeaker operation such as crossover filters equalization phase delay peak limiters long term power protection LFC low frequency control anti feedback multicomp and noise gate These functions are recalled with the 16 PRESET encoder on the system panel which include different settings suitable for the use of the system in different configurations Follow a brief explapanation of each preset PRESET 1 LEM INDOOR 2 LEM OUTDOOR Description Typical indoor equalization default preset Typical outdoor equalization more mids 3 FLAT Without equalization 4 ENTERTAIN Typical enter
21. cting the probe to D3 anode see Fig 2 Trace C Increase further the input signal till it reaches about 2dBu 0 976V the amplifier output have to reach its maximum output before clipping amp rt at about 60V 48V with load attached for an PEAK TRACE C input signal of about 0 TAZA Connect the 4ohm 500W load on the output and repeat the INITIAL and HIGH RAIL checks LM TRACEA PTC TEMPERATURE SENSOR CHECK LOW AMPLIFIER Heat the PTC sensor with a welder tip in touch with its body to verify if this protection works properly reducing the output signal to few volts with time BIAS ADJUSTMENT LOW AMPLIFIER Set the generator level at zero connect the Multimeter across the R13 resistor then adjust VR1 trimmer to read 5 0 5mVdc Verify the same voltage across R15 BANDWIDTH CHECK LOW AMPLIFIER Switch the generator frequency to 100Hz and 10KHz no level changes respect to 1KHz must be detectable AMPLIFIER CHECK HIGH AMPLIFIER e Set up the generator to 1KHz OdBu 775mV sinusoidal signal e Connect the oscilloscope probe CH2 to the HIGH OUT clip to 52 and tip to S1 set it to 10V div 200yS div The channel output signal must be symmetrical without visible distortion and oscillation as shown in fig 1 trace A note the figure is representative don t referto its level If there is a distortion check circuitry e Incre
22. g 1 Model name 2 Section name 3 Module code 4 Reference name 5 Quantity number
23. gt 8 9 4148 a 8 TOS 120 38 67 74 20885 30176 27 n NIE D D S R30_10K P04 D28 05 027 CODEC SUPPLY PLL 480K 4s SUPPLY P06 028 5 P07 D28 AUTOTEST ratoa 2 2 2 212 9 031 3 24 q z E Doc 1 5 oor 5 n FEES x mio 0 916 NOTE THE SYMBOL REFERENCE HAS SUFFIX ON SCHEMATIC DRAWING ONLY 2 PCB S REF HAS NOT SUFFIX PCB 313115 5 e NOTE THE CONNECTOR FIN NUMBER DOESN T CORRESPOND BECAUSE THE PCB ARE NOT FACING w u RIS uae 3 x 818 8 Svo 5VA m g N2 EZB 1229 TRIO Y rcr 15 TIP36C 4 bf 28 50 8 2N5550 4002 RSB 47E n 2 RSB 10 C6B 3N3 6 4 3 gt C26 e 2d i6 i 2 2 CI 1 z R4B 10K 5 5 5 N 025 4002 R56 8K2 n ae 9959685252588 2 g t gt 4 MIETIG N C78 470 all 5 5 2 1 E gt 544 212 x 1 11 ST Ky S m Ein sS Is hafu s 7 s si RIB B amp K8CSB2N3 eva 2 svect 2 all VCCI ie 4 roe 15 Ei l ol ay 2200 21 amp 29 89 D2 rece f PRESET 2 R28 7 2 47E i 4 4 4 je 3 515 00 2 SELECTOR ASI 15V HC x 4 Sie SW 0 870 C39390P
24. istor 052030 330E 1 8w 5 Resistor 050131 10E 1 4W 5 Resistor 030950 470 25V 20 Low Esr Vert Electrolytic Capacitor 030715 1000u 6v3 20 Vert Electrolytic Capacitor 030567 220 63V 20 Vert Electrolytic Capacitor 030403 47u 25V 20 Vert Electrolytic Capacitor 030247 10u 25V 20 Vert Electrolytic Bipolar Capacitor 030082 202 50V 20 Vert Electrolytic Capacitor 021018 33n 63V 10 MKT Polyester Capacitor 021006 3n3 63V 10 MKT Polyester Capacitor 021004 2n2 63V 10 MKT Polyester Capacitor 020250 10n 400V 10 MKT Polyester Capacitor 010595 100n 50V 20 80 Ceramic Cap Multilayer 010402 330p 50V 10 CL2 Ceramic Capacitor 010271 22 50V 10 CL2 Ceramic Capacitor Cpu Dsp Board 768286 Cpu Dsp Board Pcb 313115 SKK177008 34 4x34 4mm Heatsink 557029 AMbitx8 Flash memory D400 Firmware 250524 25x25mm Thermoconductor Adhesive 231000 BLM21A102STP Smd EMI Coil For Signal 142001 32Pin PLCC SMD Socket 140963 20 Contacts Vert Female Connector Din41651 140890 4 Contacts Hor Male Single Strip 106003 MAX709 Power Monitor With Reset 106001 MC33078P SOIC Dual Low Noise Op Amp 105008 RED208 Risc Cpu and Dsp 103071 AK4528VF VSOP 24Bit 96KHz Audio Codec 055101 4K7 X4 1 16w 5 Smd Resistor Array 055100 100E X4 1 16w 5 Smd Resistor Array 055072 1M 1 16w 5 Smd Resistor 0603 055048 10K 1 16w 5 Smd Resistor 0603 055044 4K7 1 16w 5 Smd Resistor 060
25. rostatic sensitive devices code 270292 GENERALMUSIC S p A Sales Division 47842 S Giovanni in Marignano RN ITALY Via delle Rose 12 Phone 39 0 541 959511 Fax 39 0 541 957404 Internet www generalmusic com GENERALMUSIC COP 4400 Technical Specification Loudspeaker Specifications Components 1 compression driver with titanium diaphragm 12 woofer with neodimuim magnet Construction Reinforced polypropilene Metal grid Protection Aluminium handle Flyning hardware 4 M10 flying points Dimensions mm WxHxD 400x620x375 Dsp Processor Amplifier Specifications Inputs Outputs sensitivity 4 dB nominal 40dB max impedance 20 kOhms balanced A D converter bit 24 D A converter bit 24 Dynamic range 100 dB Sampling Rate 48 kHz Crossover Type Bessel Butterworth or Linkwitz Riley Frequency Variable from 15 6 Hz to 16 kHz Slope 6 12 18 24 or 48dB per octave EQ Number 5 parametric bands on each input and output Type Peak 6dB Lo Shelf 12dB Lo Shelf 6dB Hi Shelf 12dB Lo Shelf Notch Gain 15dB variable in 0 548 steps Bandwidth 0 05 to 3 00 octaves variable in 0 05 steps 15 6 Hz to 16 kHz Alignment delay 189 ms Plugins Noise Gate Anti feedback Multiband compressor Long term power protection Protections LFC Low Frequency Control Output power High 100W AB class 1kHz THD 1 Low 300W H class Distortion lt 0 02 Independent peak limiter for each o
26. s Board 768283 Fuses Board Pcb 313121 778177 Supply Cables Assembly 120857 6 3mm Vertical Male Faston for Pcb 110119 Fuse Clip 10A max EU US 080606 GBUSD 8A Rectifier Diodes Bridge 080156 1N4002 1A 100V Rectifier Diode 020250 10n 400V 10 MKT Polyester Capacitor Input amp Controls Board 768282 Input amp Controls Board Pcb 313125 SKK074009 50KB RVO9 Vert Rotary Potentiometer F35C 341038 22mm Led Spacer 230569 FL5R200PNT EMI Coil For Signal 230523 80 85uH Switching Dual Coil 141206 Vert Male XLR Socket NC3MAV Neutrik 141192 Hor Female XLR Jack Socket NCJ6FI V Neutrik 141015 14 Contacts Vert Female Connector 140851 20 Contacts Vert Male Connector Din41651 140531 2 Pole Vert Latching Push Switch h 18mm 120857 6 3mm Vertical Male Faston for Pcb 120809 14 5mm Spacer 120521 3mm Black Spring Washer 120029 M3x6tc Black Screw 110264 16 Position Hex Binary Encoder 100943 MC33079 Quad LN Op Amp 100901 4962 5 40V 1 5A Switching Regulator 080743 3mm Wide Diffused Green Led 080742 3mm Wide Diffused Red Grn Led 080272 12V 1W 5 Zener Diode 080170 BYV27 2A 100V Fast Recovery Diode 052050 15K 1 8w 5 Resistor 052048 10K 1 8w 5 Resistor 052046 6K8 1 8w 5 Resistor 052045 5 6 1 8w 5 Resistor 052044 4K7 1 8w 5 Resistor 052043 3K9 1 8w 5 Resistor 052037 1K2 1 8w 5 Resistor 052035 820E 1 8w 5 Resistor 052031 390E 1 8w 5 Res
27. t F4 T 83 250V ae TRANSISTOR PACKAGES 2 TO 26 TO220 TO264 oQo sores i 2 3 QE Te g g 58 E 4 iif ji 50725 2 1 1 5 L 3 123 1 123 2 3 5 5 DWG VARIOUS PCB Layouts 0400 ALL RIGHTS ARE RESERVED DATE 28 11 03 Fuses Board Input amp Controls Board Cpu Dsp NO COPIES OR REPRODUCE THIS Board and Amplifier Board DOCUMENT WITHOUT WRITTEN APP N ZAVATTA REV A CONSENT BY GENERALMUSIC GENERALMUSIC 768297 X500 4ohm CROSSOVER L1 0 52NMH SVVY POWER IN 500 POWER IN MAX 300W s RED 0 4 OHM C4 202 NOT USE R4 SE6 100 C5 220 i 20W R2 27E AAA e 15U RS 2E2 R10 0 47 4ohm 12 WOOFER SPEAKER 227087 C5 105 1 20W R12 5 WN Ex 20W L2 0 40MH dnm 20W 0 55MH 100V TIP122 R1 T 1 L1 D2 R8 amp 580E C8 A SW RQ 100E Bohm 1 COMPRESSION DRIVER 229048 THE SERVICE 7583502 L1 1 0MH 100V C1 NOT USE DRW G RICCI IS MADE ONLY BY REPLACEMENT OF ENTIRE
28. tainer piano bar equalization 5 MAX LOUD Typical loudness contour equalization for low level listening 6 CD PLAYER Typical DJ DISCO PUB eq for high level listening with multicomp 7 WALL MOUNT Typical wall mount equalization taking in count the 6 dB low boost 8 STAGE MONITOR Typical stage monitor equalization without anti feedback 9 LEM INDOOR SW Same as above with 100Hz HP Filter to use it with Sub Woofer 10 LEM OUTDOOR SW Same as above with 100Hz HP Filter to use it with Sub Woofer 11 FLAT SW Same as above with 100Hz HP Filter to use it with Sub Woofer 12 ENTERTAIN SW Same as above with 100Hz HP Filter to use it with Sub Woofer 13 MAX LOUD SW Same as above with 100Hz HP Filter to use it with Sub Woofer 14 CD PLAYER SW Same as above with 100Hz HP Filter to use it with Sub Woofer 15 WALL MOUNT SW Same as above with 100Hz HP Filter to use it with Sub Woofer 16 MIC PLUG amp PLAY Typical voice mic amplification with anti feedback IMPORTANT NOTE Shorting the internal jumper between pin 1 and 3 of CN1 located on CPU DSP Board the amplifier is set for testing the amplifier module alone with a flat response on each output without eq filters limiters and protections BE SURE THAT IS INSERTED WHEN YOU CHECK THE AMPLIFIER ALONE AND REMO VED WHEN THE SPEAKERS ARE CONNECTED The amplifier module is designed with two amplifiers a 300W amplifier for the LF speaker builded with discrete devices and operating in class H and a 1
29. the ADVICES section e When the Variac ac voltage reaches the nominal voltage verify the DC supplies as follow TR8 collector pin 3 Vcc2 63 2 TR14 collector pin 3 Vcc2 63 2Vdc TR2 collector pin 2 Vccl 32 2Vdc TR3 collector pin 2 Vcc1 32 2Vdc ICA pin 3 15 1Vdc IC3 pin 3 15 1Vdc If one or more voltages don t correspond check the rectifiers capacitors and transformers disconnecting them from circuitry refer to schematics INITIAL CHECK LOW AMPLIFIER Set both channels of the oscilloscope to 10V div 200 5 e Increase the input level to 6dBu 0 388V sinusoidal signal The channel output signals must be symmetrical respect the GND with an amplitude of about 25V and without visible distortion or oscil F lation as shown in Fig 1 Trace A note the figure is B representative don t refer to its level If there is a TRACE A distortion read the section ADVICES HIGH RAIL CHECK LOW AMPLIFIER Connect the CH2 probe tip to D2 cathode and set the sensitivity of both channels at 20V div Increasing the input signal two things should to happen till the output signal Positive half wave is less than 25V the voltage on D2 cathode have to remain constant at 32V when the output signal exceeds 25V the voltage on D2 cathode te L us will have to follow the output signal with 7V offset t see Fig 1 Trace B Check the negative high rail conne
30. utput Controls Volume PRESETS selector Connectors 1 x COMBO LINE MIC input 1 x XLR M link Power supply socket Power supply see label on the apparatus System Specifications Frequency response Hz 45 20000 10dB Sensitivity MAX SPL 123 dB Continuous Dispersion o 100x60 x300 Technical Specifications Loudspeaker Specifications Components High 1 compression driver with titanium diaphragm Low 12 woofer with neodimuim magnet Power handling W continuous 300 EIA RS 426A W peak 600 Passive crossover LP 12dB oct 2 5kHz HP 18dB oct 2 5kHz Connections 1 2 x SPEAKON Construction Cabinet Reinforced polypropilene Protection Metal grid Transport Aluminium handle Flyning hardware 4 M10 flying points Dimensions mm WxHxD 400x620x375 System Specifications Frequency response Hz 50 20000 10dB Sensitivity MAX SPL 123 dB Continuous Dispersion o 100x60 0400 TEST PROCEDURES amp ADJUSTMENTS PRECAUTION To prevent short circuit during any test the oscilloscope must be EARTH insulated this occurs because some test require to connect its probe to the amplifier output non compliance may cause damages to oscilloscope inputs circuitry Before removing or installing any modules and connectors disconnect the amplifier from AC MAINS and measure the DC supply voltages across each of the power supply capacitors If your measurement on any of the caps is greater than 10Vd

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