SX-SW404
4
12
34
12
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 SECTION .................................................................................................................................. 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 DISPLAY UNIT (SX-SW404/SX-SW606 : AXX7204) ............................................................................... 10
2.4 DISPLAY UNIT (SX-X360 : AXX7212) ..................................................................................................... 11
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................12
3.1 OVERALL WIRING CONNECTION DIAGRAM AND BLOCK DIAGRAM ................................................ 12
3.2 MAIN ASSY (1/5) ..................................................................................................................................... 14
3.3 MAIN ASSY (2/5) ..................................................................................................................................... 16
3.4 MAIN ASSY (3/5) ..................................................................................................................................... 18
3.5 MAIN ASSY (4/5) ..................................................................................................................................... 20
3.6 MAIN ASSY (5/5) ..................................................................................................................................... 22
3.7 AC INLET, CONNECT and FL ASSYS (SX-SW404, SX-SW606) ........................................................... 24
3.8 AC INLET, CONNECT and FL ASSYS (SX-X360)................................................................................... 26
3.9 JACK TX ASSY ........................................................................................................................................ 28
3.10 POWER SUPPLY UNIT.......................................................................................................................... 30
3.11 WAVEFORMS ........................................................................................................................................ 32
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 33
4.1 MAIN ASSY ............................................................................................................................................. 34
4.2 AC INLET and CONNECT ASSYS (SX-SW404, SX-SW606) ................................................................. 38
4.3 AC INLET and CONNECT ASSYS (SX-X360) ........................................................................................39
4.4 FL ASSY (SX-SW404, SX-SW606) ......................................................................................................... 40
4.5 FL ASSY (SX-X360) ................................................................................................................................ 41
4.6 JACK TX ASSY ........................................................................................................................................ 42
4.7 POWER SUPPLY UNIT............................................................................................................................ 44
5. PCB PARTS LIST ........................................................................................................................................... 46
6. ADJUSTMENT ............................................................................................................................................... 54
7. GENERAL INFORMATION ............................................................................................................................. 55
7.1 DIAGNOSIS ............................................................................................................................................. 55
7.1.1 TEST MODE ...................................................................................................................................... 55
7.1.2 SPECIFICATIONS OF SPEAKER SETUP ........................................................................................ 57
7.1.3 PROPOSAL OF DSP ERROR DISPLAY........................................................................................... 58
7.1.4 CIRCUIT DESCRIPTION OF DIGITAL AMP. SECTION .................................................................... 59
7.1.5 SPECIFICATIONS FOR THE PROTECTION CIRCUITS FOR THE DIGITAL AMPLIFIER ............... 60
7.1.6 CONDITIONS FOR SWITCHING THE ROTATION SPEED OF THE FAN ........................................ 61
7.1.7 COMPATIBILITY AMONG THE SX-SW77 SERIES, SW-SW404 SERIES AND SX-X360................ 62
7.1.8 DISASSEMBLY.................................................................................................................................. 63
7.2 PARTS...................................................................................................................................................... 67
7.2.1 IC ....................................................................................................................................................... 67
7.2.2 DISPLAY ............................................................................................................................................ 83
8. PANEL FACILITIES ........................................................................................................................................ 84