RS-A7/EW
3
56
7
8
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 AUDIO UNIT(GUIDE PAGE) .....................................................................................................................20
3.4 CONTROL UNIT(GUIDE PAGE)...............................................................................................................26
3.5 SWITCH PCB ...........................................................................................................................................32
4. PCB CONNECTION DIAGRAM ......................................................................................................................34
4.1 AMP UNIT(GUIDE PAGE) ........................................................................................................................34
4.2 AUDIO UNIT(GUIDE PAGE) .....................................................................................................................46
4.3 CONTROL PCB(GUIDE PAGE)................................................................................................................58
4.4 SWITCH PCB ...........................................................................................................................................70
4.5 USB PCB AND IPIN PCB .........................................................................................................................71
4.6 Ach PCB AND IPOUT PCB ......................................................................................................................72
4.7 Bch PCB ...................................................................................................................................................73
5. ELECTRICAL PARTS LIST .............................................................................................................................74
6. ADJUSTMENT ................................................................................................................................................87
6.1 AMP UNIT ADJUSTMENT .......................................................................................................................87
6.2 AUDIO UNIT ADJUSTMENT ....................................................................................................................90
7. GENERAL INFORMATION .............................................................................................................................94
7.1 DIAGNOSIS ..............................................................................................................................................94
7.1.1 DISASSEMBLY......................................................................................................................................94
7.1.2 PCB LOCATIONS ..................................................................................................................................96
7.1.3 CONNECTOR FUNCTION DESCRIPTION ..........................................................................................97
7.2 IC ..............................................................................................................................................................98
7.3 OPERATIONAL FLOW CHART ..............................................................................................................106
8. OPERATIONS ...............................................................................................................................................107