S-DV900SW
4
1
2
3
4
1
2
3
4
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 PRODUCT APPEARANCE SECTION [POWERD SUBWOOFER] ........................................................... 8
2.3 AMPLIFIER ASSY ................................................................................................................................... 10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 12
3.1 BLOCK DIAGRAM AND OVERALL CONNECTION DIAGRAM .............................................................. 12
3.2 AF and TRADE 1 ASSY ........................................................................................................................... 14
3.3 6CH AMP ASSY ...................................................................................................................................... 16
3.4 POWER ASSY ......................................................................................................................................... 18
3.5 PRIMARY ASSY ...................................................................................................................................... 20
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 22
4.1 AF and TRADE 1 ASSY ........................................................................................................................... 22
4.2 6CH AMP ASSY ...................................................................................................................................... 26
4.3 POWER ASSY ......................................................................................................................................... 28
4.4 PRIMARY ASSY ...................................................................................................................................... 32
5. PCB PARTS LIST ........................................................................................................................................... 34
6. ADJUSTMENT ............................................................................................................................................... 37
7. GENERAL INFORMATION ............................................................................................................................. 38
7.1 DIAGNOSIS ............................................................................................................................................. 38
7.1.1 PROTECTION CIRCUIT ....................................................................................................................... 38
7.1.2 DISASSEMBLY ..................................................................................................................................... 40
7.2 IC ............................................................................................................................................................. 42
7.3 CLEANING............................................................................................................................................... 42