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LTO MAC2.2 MKII, Service Manual

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LTO MAC2.2 MKII Service Manual Download Page 15

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Summary of Contents for MAC2.2 MKII

Page 1: ...www altoproaudio com Version 2 0 MODEL MAC2 2 2 3 MKII Revised on Dec 2009...

Page 2: ...CONTENT 1 Introduction 1 2 Specification 2 3 Block Diagram 3 4 Schematic Diagram 4 5 PCB Layout 10 6 Exploded view Mechanical Parts List 14 7 BOM List 17...

Page 3: ...n cabinet or as a solo one The amplifier power MAC2 2MK II stereo output 350W 2 4 RMS 750W 2 2 EIAJ 230W 2 8Ohms RMS bridge output 710W 8 RMS 1500 W 4 EIAJ MAC2 3MK II stereo output 1000W 2 EIAJ 510W...

Page 4: ...03 S N ration 100dB 100dB GENERAL SPECIFICATIONS PROTECTIONS Full short circuit open circuit thermal ultrasonic and RFprotection stable into reactive or mismatched loads turnON OFF muting tried crowba...

Page 5: ...PREAMP CH B OUTPUTS SIGNAL SMART STEREO INPUT ATO CH A INPUT B TO CH B BRIDGE INPUT A TO MONO BRIDGED PARALLAE INPUT A TO MONO SENSITIVITY PROTECTION CH A SPKR OUT SENSITIVITY PROTECTION PROTECT CH B...

Page 6: ...N2 1 2 CN3 J1 10 Q1 C1815 Q3 C1815 Q2 C1815 C1 10UF C2 1UF R9 1M R11 68K R14 1k R17 4 7K R6 2 2k R26 51K R25 10k D1 IN4148 D2 IN4148 R8 2 2k R21 4 7k Q4 C1815 R15 1k Q6 C1815 R12 68k R10 1M C4 1UF 25V...

Page 7: ...C9 0 1 14V GND Q2 2N3906 C25 10U 6 5 4 SW3B CILP GND 3 2 1 U4A 4580M 5 6 7 U4B 4580M GND R1 10K R4 10K R5 0R GND C1 22P R3 10K GNDD S1B S2B S3B S1A 12V GND1 S2A G R13 15K C1922P R12 10K GND C24 10U 7...

Page 8: ...ND1 1 2 3 4 5 CN4 Comment CN5P2 5 15V GND 15V 15VLED LED TO INPUT TO CHA TO CHB VCC GND VCC 1 2 P17 1 2 P18 1 2 P19 VCC GND VCC TO CHA TO CHB 1 2 P10 R3 NTC NP10R R4 NTC NP10R R1 2K7 10W D1 1N4007 1 2...

Page 9: ...00K R86 2K7 R9 100K R73 100K R82 33K Q30 2N5551 Q29 2N5551 D16 IN4148 D17 IN4148 GND GND Q37 2N5551 GND R80 10K Q19 2N5401 GND R85 2K7 C31 100u 25V R6 10k R84 2k7 R5 10k R83 39k R81 47K C30 47u 50V Q2...

Page 10: ...3 2 1 D C B A CHB PU 2 Titel Size Model No MAC2 4 MKII Revision VER021004 Date 19 Nov 2007 Sheet 1 of 1 File CHB INPUT SCH Drawn By DECHUN QIN A4 FILTER 2 3 1 CH2 S T R CH22 C3 470P C4 470P 1 2 3 4 5...

Page 11: ...8 7 6 5 4 3 2 1 D C B A MAC2 2 2 3MKII AC SW VCC GND VCC VCC GND VCC MAC2 2 2 3MKII 1 1 MAC2 2 2 3MKII Titel Size A4 Model No MAC2 2 2 3MKII Revision Date 09 Nov 2007 Sheet 1 of 1 File JJZ Drawn By MA...

Page 12: ...5 PCB Layout 10...

Page 13: ...11...

Page 14: ...12...

Page 15: ...13...

Page 16: ...6 Exploded view Mechanical Parts List 14 MODEL No MAC 2 2 2 3MKII...

Page 17: ...5PH 2 20 MG00607 Black screw RS M5 10 8 1 fan 21 MG00535 Nickel screw RS M5 6_V1 0 4 22 MG00534 Copper column RS M5 16 _V1 0 4 OUT 4 23 MF00039 Spring washer RS 5 8 1t 4 OUT 4 24 MF00038 Spring washer...

Page 18: ...1 5PH 2 20 MG00607 Black screw RS M5 10 8 1 Fan 21 MG00535 Nickel screw RS M5 6_V1 0 4 22 MG00534 Copper column RS M5 16 _V1 0 4 OUT 4 23 MF00039 Spring washer RS 5 8 1t 4 OUT 4 24 MF00038 Spring wash...

Page 19: ...UT 4 0023 MF00038 washer RS 4 7 1t 1 GND 1 0024 MF00048 washer RS 4 8 0 5t 1 GND 1 0025 MF00037 washer 3 2 5 0 8t 4 Fornt panel 4 0026 ME00016 color nut 4m m 1 GND 1 0027 ME00015 color nut 3m m 4 Fron...

Page 20: ...stor 1 8W 4 7K 6 R7 R21 R17 R18 R19 R20 0012 SA00093 rectifier diode 1N4148 0 5A 4 D1 D2 D5 D6 0013 SB00034 transistor 2SC1815GR SC43 TOSHIBA 7 Q1 Q2 Q3 Q4 Q5 Q6 Q9 0014 CB00188 electrolytic capacitor...

Page 21: ...MK INPUT AI 1 0001 HA01929 jump 13mm 1 J5 0002 HA01930 jump 15mm 3 J24 J4 J7 0003 HA01925 jump 10mm 2 J19 J25 0004 HA01927 jump RS 11mm 2 J21 J22 0005 HA01922 jump 8mm 4 J1 J20 J15 J18 0006 HA01919 ju...

Page 22: ...0035 MF00156 caushion RS NX55PKIT 6 85 3 1 28 26 Transistor 1 1 thermistor 2 0036 MI04659 heat sink RS MAC2 3 MK 150 79 59 5_V1 4 2 0037 NC00080 washer 3 17 8 2 1 2 Fix Q3 MJE350 0038 AC00603 lead fr...

Page 23: ...38 SMD fixed resistor 1 4W 1 0K 5 1206 12 R15 R16 R17 R18 R77 R94 0022 RD00247 SMD precise resistor 1 4W 2 20K 1 1206 4 R66 R67 0023 RD00594 SMD precise resistor RS 1 4W 2 70K 1 1206 8 R84 R85 R86 R45...

Page 24: ...0004 MJ01548 single light board RS CT 1 5t 614 492_V1 0 1 0068 MC01113 top cover RS PSA 3900 V2_V1 0 1 0001 MC01111 top cover RS PSA 3900 V2 1 0001 AE00055 solvent solvent 29 0002 AE00239 paint RS 525...

Page 25: ...lass tube fuse RS T12A 250V 5 2 20mm CCC SGS UL VDE 2 F1 F2 0021 CG00044 mteal oxide varistors NP35L Y2 2 R3 R4 0022 MG00269 screw RS M3 6 2 U1 U2 0023 MI00256 heat sink 25 15 10 6 1PIN SCL 2020 2 U1...

Page 26: ...2 0030 HI00140 manual reset switch RS A0701HM 6A 1 0031 HI00031 power switch RS R415KKETOF 1 0032 HC00295 quick terminal JS205 110 2 0033 HA04912 wire RS 400mm UL1015 14AWG brown 1 SW to AC SW 0034 H...

Page 27: ...Y 6mm 1 SW3 0009 HC00112 balance MIC jack 99M 107SP 1 2 90 PUSH 1 MIC1 0010 RA00006 metal oxide film resistor 1W 10 1 R47 0011 CB00166 electrolytic capacitor 100uF 16V 6 5mm 2 C34 C35 0012 CB00192 ele...

Page 28: ...0V BP 3506PWS 1 BR1 0015 HC00079 connector male 5P 2 5mm 180 4 CN1 CN2 CN3 CN4 0016 HC00076 connector male 2P 2 5mm 180 1 CN5 0017 HI00399 relay RS 6P 30A 240V HJQ 15F 48VDC S Z 1 K1 0018 HC00324 conn...

Page 29: ...CT 2SA970 BL TE2 T SC43 TOSHIBA 4 Q15 Q16 0013 HK11515 PC board RS P 2U350W_AMP SMD 2 0001 CI00138 SMD ceramic capacitor 1206 0 22uF 50V X7R 10 6 C25 C19 C12 0002 CI00279 SMD ceramic capacitor RS 1206...

Page 30: ...1 0065 NB03187 carton MAC ALTO_V1 0 1 0066 NF03010 user manual RS MAC SERIES MK ALTO_V1 2 1 0067 NE19250 label RS PSA 3600_V2 220 240V_V1 0 1 Machine 0068 MC01113 top cover RS PSA 3900 V2_V1 0 1 0069...

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