Alto BLACK 15 SUB, Service Manual

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TABLE OF CONTENTS
BLOCK DIAGRAM WOOFER EXPLODED VIEW ................................ 24
AMP .................................................................... 3 MECHANICAL PARTS LIST .................................. 25
DSP .................................................................... 4 POWER AMP PARTS LIST .............................. 26-27
I/O PANEL .......................................................... 5 WOOFER PARTS LIST ......................................... 28
TROUBLE SHOOTING ............................................ 6 Preamp DSP P.C.Board .......................................... 29
WIRING DIAGRAM .................................................. 7 I/O P.C. Board ........................................................ 30
SCHEMATIC DIAGRAM (POWER AMP.) MUTE P.C. Board ................................................... 30
AMP .................................................................... 8 Power Amp. P.C. Board ......................................... 31
MUTE .................................................................. 9 Power Supply P.C. Board (5573A) ......................... 32
DSP .................................................................. 10 Power Supply P.C. Board (5573B) ......................... 33
MCU ................................................................. 11 EMI Filter P.C. Board ............................................. 34
FILTER .............................................................. 12 DC Filter P.C. Board ............................................... 34
MP .................................................................... 13 Logo P.L. P.C. Board ............................................. 34
POWER SUPPLY I/O PCB ELECTRICAL PARTS LIST ................ 35-39
AC Power Filter ................................................. 14 PREAMP PCB ELECTRICAL PARTS LIST ...... 39-45
5573A_Power Stage ......................................... 15 POWER AMP ELECTRICAL PARTS LIST ....... 45-48
5573A_PFG Control ......................................... 16 Power supply(5573A) P.C. Board
5573A_Bias Supply .......................................... 17 Electrical Parts List ........................................... 48-55
5573A_Microcontrolle ....................................... 18 Power supply(5573B) P.C. Board
5573A_Secondary Power Supplies .................. 19 Electrical Parts List ........................................... 55-56
5573A_Power good .......................................... 20 EMI Filter P.C. Board Electrical Parts List .............. 57
5573B_Power Stage ......................................... 21 DC Filter P.C. Board Electrical Parts List ............... 57
EXPLODER VIEW ................................................. 22
POWER AMP EXPLODED VIEW .......................... 23
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