VSW-1
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 SECTION .................................................................................................................................. 6
2.2 EXTERIOR SECTION............................................................................................................................... 8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 10
3.1 BLOCK DIAGRAM ................................................................................................................................... 10
3.2 OVERALL WIRING DIAGRAM................................................................................................................. 12
3.3 JACK (1/3) ASSY ..................................................................................................................................... 14
3.4 JACK (2/3) ASSY ..................................................................................................................................... 16
3.5 JACK (3/3) ASSY ..................................................................................................................................... 18
3.6 PANL ASSY.............................................................................................................................................. 20
3.7 TRNS, PWSW and REG ASSYS ............................................................................................................. 22
3.8 WAVEFORMS .......................................................................................................................................... 24
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 26
4.1 JACK ASSY ............................................................................................................................................. 26
4.2 PANL ASSY.............................................................................................................................................. 30
4.3 TRNS, PWSB and REG ASSYS .............................................................................................................. 32
5. PCB PARTS LIST ........................................................................................................................................... 34
6. ADJUSTMENT ............................................................................................................................................... 36
7. GENERAL INFORMATION ............................................................................................................................. 37
7.1 DIAGNOSIS ............................................................................................................................................. 37
7.1.1 POWER ON SEQUENCE ................................................................................................................... 37
7.1.2 DISASSEMBLY ................................................................................................................................... 38
7.2 IC ............................................................................................................................................................. 39
8. PANEL FACILITIES ........................................................................................................................................ 44