RS-A9/EW
3
5678
56
7
8
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION......................................................................................................................................2
1. SPECIFICATIONS.............................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.............................................................................................................6
2.1 PACKING....................................................................................................................................................6
2.2 EXTERIOR .................................................................................................................................................8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................10
3.1 BLOCK DIAGRAM....................................................................................................................................10
3.2 AMP UNIT(GUIDE PAGE) ........................................................................................................................14
3.3 DSP UNIT(DAC)(GUIDE PAGE)...............................................................................................................20
3.4 DSP UNIT(DSP)(GUIDE PAGE)...............................................................................................................26
3.5 CONTROL UNIT(GUIDE PAGE)...............................................................................................................32
3.6 SWITCH PCB...........................................................................................................................................38
4. PCB CONNECTION DIAGRAM......................................................................................................................40
4.1 AMP UNIT(GUIDE PAGE) ........................................................................................................................40
4.2 DSP UNIT(GUIDE PAGE).........................................................................................................................52
4.3 CONTROL PCB(GUIDE PAGE)................................................................................................................64
4.4 SWITCH PCB...........................................................................................................................................76
4.5 USB PCB AND IPIN PCB.........................................................................................................................77
4.6 Ach PCB AND IPOUT PCB......................................................................................................................78
4.7 SW PCB AND LOW PCB .........................................................................................................................79
4.8 MID PCB...................................................................................................................................................80
5. ELECTRICAL PARTS LIST.............................................................................................................................81
6. ADJUSTMENT ..............................................................................................................................................102
6.1 AMP UNIT ADJUSTMENT .....................................................................................................................102
6.2 DSP UNIT ADJUSTMENT......................................................................................................................105
7. GENERAL INFORMATION ...........................................................................................................................109
7.1 DIAGNOSIS............................................................................................................................................109
7.1.1 DISASSEMBLY....................................................................................................................................109
7.1.2 PCB LOCATIONS................................................................................................................................111
7.1.3 CONNECTOR FUNCTION DESCRIPTION ........................................................................................112
7.2 IC............................................................................................................................................................113
7.3 OPERATIONAL FLOW CHART..............................................................................................................124
8. OPERATIONS ...............................................................................................................................................125
