.............................................................3
What you can do with this manual ............................................3
Using Adobe Reader (Windows version) ..................................4
..........................................................6
.........................................7
...........................................................7
INSTRUCTIONS FOR HANDLING SEMI-CONDUCTORS AND
..........................................................................7
1. Ground for Human Body ......................................................7
2. Ground for Workbench .........................................................7
................................................9
.............................................................................10
........................................................11
Initializing this unit ...................................................................11
Service Jig ..............................................................................11
........................................................................12
1. SIDE PANEL ......................................................................14
2. TOP COVER ......................................................................15
3. FRONT PANEL ASSY ........................................................16
4. DIGITAL PCB .....................................................................19
5. SUB TRANS PCB ..............................................................20
6. MAIN POWER PART PCB .................................................21
7. TRANS POWER ................................................................21
.....................................................................22
Special Mode Configuration Buttons
.......................................22
1. Version check display mode ...............................................23
2. Display / LED check mode .................................................24
3. Factory reset mode ............................................................24
4. Auto standby test mode .....................................................24
PROCEDURE AFTER REPLACING THE MICROPROCESSOR,
..........................................................................................25
......................................25
.........................................................................33
............................................................34
1. Power not turn on. ..............................................................34
2. FLD doesn't Light ...............................................................36
3. No Sound, Noise generated ...............................................38
4. The power can not be turned on .......................................45
MEASURING METHOD AND WAVEFORMS
...................................................................50
..................................................................51
..................................................................52
.....................................................53
.......................................................56
DIGITAL 1/3 ...........................................................................56
SCHEMATIC DIAGRAMS (2/6) ...............................................57
DIGITAL 2/3 .............................................................................57
SCHEMATIC DIAGRAMS (3/6) ...............................................58
DIGITAL 3/3 .............................................................................58
SCHEMATIC DIAGRAMS (4/6) ...............................................59
POWER ...................................................................................59
SCHEMATIC DIAGRAMS (5/6) ...............................................60
AUDIO .....................................................................................60
SCHEMATIC DIAGRAMS (6/6) ...............................................61
FRONT ....................................................................................61
...................................................................62
.......................................................................63
...............................................................64
1. IC's .....................................................................................64
2. DISPLAY ............................................................................80
2
CONTENTS
Summary of Contents for HD-DAC1
Page 8: ...Personal notes 8 ...
Page 46: ...46 Personal notes ...
Page 52: ...WIRING DIAGRAM 52 ...
Page 68: ...NJV7181 IC48 Pin configuration BLOCK DIAGRAM 68 ...
Page 69: ...MFI337S3959 DIGITAL IC14 69 ...
Page 70: ...PCM9211 DIGITAL IC42 PCM9211 Block Diagram 70 ...
Page 71: ...PCM9211 Pin Discriptions 71 ...
Page 72: ...uPD63530 DIGITAL IC41 72 ...
Page 73: ...uPD63530 Pin Discriptions 73 ...
Page 74: ...74 ...
Page 75: ...ADuM1280 DIGITAL IC51 IC52 IC57 IC58 ADuM1285 DIGITAL IC53 IC54 IC55 IC56 75 ...
Page 79: ...CS2000 CP DIGITAL IC22 CS2000 CP DIGITAL U3914 Block Diagram 79 ...
Page 80: ...2 DISPLAY FLD GP1261AI FL81 DIMENSION PIN CONNECTION PTTERN DETAIL 80 ...