MODEL: HD-6000
Page 3
INTRODUCTION ................................................................................................................................5
PRODUCT SAFETY NOTICE ............................................................................................................. 5
SAFETY PRECAUTIONS ...................................................................................................................6
PWB-LOCATIONS ............................................................................................................................. 7
DISASSEMBLY .................................................................................................................................. 7
Disassembly Procedures Sequence ...................................................................................... 7
Top Cover removal .................................................................................................................. 8
HDD (Hard Drive) removal ....................................................................................................... 9
PWB’S removal ................................................................................................................... 10
ELECTRICAL ADJUSTMENTS ........................................................................................................ 11
Equipment .................................................................................................................................... 11
Option Menu / Initialization Defaults / AV Defaults ......................................................................... 12
LED Diagnostics ........................................................................................................................... 13
Remote Control Operational Mode ................................................................................................ 13
Circuit Adjustment Mode ............................................................................................................... 14
Transfering data ............................................................................................................................ 15
Adjustment Items List ................................................................................................................... 15
Adjustment Procedures ................................................................................................................ 16
Test Points .......................................................................................................................... 16
Main-Y Gain......................................................................................................................... 16
Sub-Y Gain .......................................................................................................................... 17
Sub Picture Offset ............................................................................................................... 17
CHIP PARTS REPLACEMENT ......................................................................................................... 18
REPLACEMENT PARTS .................................................................................................................. 19
Parts Ordering .............................................................................................................................. 19
Critical and Warranty Parts Designation........................................................................................ 19
Parts Tolerance Codes .................................................................................................................. 19
SERVICE PARTS LIST .................................................................................................................... 20
CIRCUITRY BLOCK DIAGRAMS ..................................................................................................... 29
Standby Power Supplies ............................................................................................................... 29
PWB-DM Power Supplies ............................................................................................................. 30
PWB-SIGNAL Switched Power Supplies ...................................................................................... 30
Video Select Circuitry ................................................................................................................... 31
Video Output Circuitry................................................................................................................... 32
Sync Signal Selection................................................................................................................... 33
Sync Signal Output Path .............................................................................................................. 34
Record Signal Path ....................................................................................................................... 34
Sound Signal Path ........................................................................................................................ 35
Control Circuitry ............................................................................................................................ 36
Command Input Circuitry............................................................................................................... 37
Macrovision Detection ................................................................................................................... 37
PWB-DM Signal Path ................................................................................................................... 38
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