Alto EQU231VU-MKII Service Manual Download Page 1 | Manualshive

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Alto EQU231VU-MKII Service Manual Download Page 1

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Summary of Contents for EQU231VU-MKII

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Page 10: ...9 0 8 0 8 9 0 0 9 0...

Page 11: ...10 0 9 0 0 PCB EQU31PU II Bottom Overlay...

Page 12: ...11 PCB EQU31PU II Top Layer PCB EQU31PU II Top Overlay 0...

Page 13: ...12 0 9 0...

Page 14: ...13 1 0 1 2 3 0 4 55 4 55 0 6 7 6 7 6 8 7 8 9 8 8 3 Set INPUT LEVEL at minimum the output level shall be 12db 1dB and distortion shall be 0 006 0 001...

Page 15: ...t the input level so that the AP output is 0dB the frequency response is as following 8 5 Adjust the input level so that the AP output is 0dB press the Hi pass button and the frequency response is as...

Page 16: ...ess the Low Pass button and the frequency response is as following 7 Press EQ button down keep RANGE out and the LED indicates 12 adjust all slide buttons to maximum and minimum measure the frequency...

Page 17: ...AP setting is as following the maximum non distortion level is 28dBu 1dB and distortion is 1 10 Now the S N shall be not less than 110dB 11 Connect AP input and output to Channel 2 repeat steps 1 10...

Page 18: ...17 2 3 4...

Page 19: ...EB1 E 2 A 4 6 8 3 4 E 7 5 EBE 1 C 2 0 8 0 5 0 F 9 D C 0 4 6 8 3 4 E 4 6 8 3 4 E 4 4 C A E E A 4 C A D E AE B A 0 8 0 C 0 55 4 0 8 0 55 50 0 8 0 0 55 50 0 8 0 0 55 50 7 E 0 8 0 F 55 50 7 5 0 GE6 E A 4...

Page 20: ...A E E 3 4 A 4 4 4 4 4 I 4 H B E E 3 4 BA 4 9 D I 4 B 4 4 B 4 E EAA AE A I A 4 H E A EB 3 B 4 A 4 E AE 0 E AI 4 5 BB 3 4 I 4 H AA E E 3 4 A AE4 E E 0 I 4 5 BB 3 4 I 4 H B E E 3 4 5 3 4 E A E E I 4 H B...

Page 21: ...5 A 3 9 8 7 5 EBE 1 C 2 7 E 7 0 E A E H B 0 0 5 9 D C 0 A 4 6 4 E B 4 6 4 E 4 4 C A E E 4 C A E AE B 0 0 1 F 6 A2 0 0 55 50 0 0 55 5 8 0 8 1 E 2I B A C A 8 B C E B B F A 4 F F F B 7 A B H 0 H 0 H 0 H...

Page 22: ...C 0 1 E 2I 0 0 50 A F 4 A B A B A A A A A A A A AA AB B A AF B 4 A B A B A B B 8 C E A A A 4 C L 0 B B B A 1 2 0 A K 7 A C A C A B C B A C A C A A C A AA C AB A C B A C B C B C B A C B A C A B B C M A...

Page 23: ...C A C C 4 0 C A C 0 0 4 8 A 0 8 1 E 2I 6 4 7 H 4 A 4 9 A B 5 B 4 C N A 0 1 2 0 1 2 A F 7 A C 4 C B C A 4 C B C 4 C B H H B B H B B H B 0 0 0 50 A AF A 4 A B AF 4 B A AF 4 A AF 4 B A F 4 F 4 A F 4 A F...

Page 24: ...B 3 H A 0 H 0 H A 19 D 21 9 2 B B 19 D 21 9 2 4 5 3 E E 0 57 4 6 4 EA 4 C E E 7 9 D AB 1 2 0 B A K 7 1 2 0 A K 7 7 A 1 2 0 A K 7 7 B A 1 2 0 A K 7 A 0 0 0 5 B H H B B B A H B H H H H H H H H A H H B...

Page 25: ...4 0 C 7 0 D M A 5 4 A C L A 1 2 A 6 4 4 B 19 52 5 A 4 A 1 2 A B AA 5 4 C L A A B AB 6 4 7 H 4 A 4 9 5 5 5 5 5 B C 4 1 D 9 2 1 2 9 B B 4 F M B 4 F M B 4 F M B 4 F M B 5 B 4 0 C 7 0 D M B B 4 F 4 M B B...

Page 26: ...0 B K 0 0 H N 4 5 3 BB4 A 0 0 H A 4 5 3 H 8 0 H 0 H 3 H A 0 H 0 H 5 F A 19 D 21 9 2 A B B 19 D 21 9 2 B 4 5 3 E E 0 57 4 6 4 EA 4 C E E 7 9 D AB 1 2 0 B A K 7 7 1 2 0 A K 7 7 1 2 0 A K 7 7 A 1 2 0 A...

Page 27: ...4 F M B 4 F B M A B 4 F M A B 5 4 0 C 7 0 D M B 5 A 4 A 0 C 7 0 D M 5 4 0 C 7 0 D M 5 4 A C L A 1 2 6 4 4 B 19 52 5 4 A 1 2 A B 5 4 C L A A B 6 4 7 H 4 A 4 9 5 5 5 5 5 C 4 1 D 9 2 1 2 9 B A 4 F M B 4...

Page 28: ...8 B 4 1 2I B 0 0 F 50 B 5 0 A F F F B 5 0 0 A F B 1 2 B B 1 2 A B 1 2 B 7 5 B BA 0 0 F 4 BB 8 A 0 8 F 1 E 2I B 4 F M A B A F 6 7 4 H A A F 9 7 E E 4 6 4 E E 0 4 6 A 4 E E 0 4 6 4 E E 0 4 6 4 E E 0 I...

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