CONTENTS
SAFETY PRECAUTIONS
SPECIFIC SERVICE INSTRUCTIONS.........................................................................................................4
DISASSEMBLY PROCEDURE................................................................................................................4
DEMAGNETIZATION PROCEDURE ......................................................................................................6
REPLACEMENT OF CHIP COMPONENT..............................................................................................8
REPLACEMENT OF THE MEMORY IC..................................................................................................9
FACTORY SETTINGS.............................................................................................................................10
SERVICING GUIDE......................................................................................................................................12
SELF DIAGNOSIS...................................................................................................................................12
1. DISPLAYING THE SELF DIAGNOSIS INDICATIONS...................................................................12
2. LED INDICATION...........................................................................................................................12
3. ON-SCREEN DISPLAY (SELF DIAGNOSIS DISPLAY MODE).....................................................13
SERVICE ADJUSTMENTS ..........................................................................................................................14
BEFORE ADJUSTMENTS ......................................................................................................................14
SETTINGS REQUIRED FOR ADJUSTMENTS ......................................................................................14
SETTING ITEMS .....................................................................................................................................14
MEASURING INSTRUMENTS AND TOOLS ..........................................................................................15
TIMING CHART OF SIGNALS REQUIRED FOR ADJUSTMENTS........................................................16
ADJUSMENT LOCATIONS.....................................................................................................................17
BASIC OPERATIONS OF SERVICE MENU ...........................................................................................18
SCREEN CONFIGURATION OF THE SERVICE MENU........................................................................20
REFERENCE VALUES FOR THE SERVICE MENU ADJUSTMENTS...................................................22
ADJUSTMENT PROCEDURES ..............................................................................................................40
SCREEN VOLTAGE ADJUSTMENT AND FOCUSING COARSE ADJUSTMENT ...........................40
HIGH-VOLTAGE COARSE ADJUSTMENT.......................................................................................40
X-RAY PROTECTOR ADJUSTMENT/CHECK ..................................................................................41
HIGH-VOLTAGE ADJUSTMENT .......................................................................................................42
FOCUSING ADJUSTMENT ...............................................................................................................42
CONVERGENCE ADJUSTMENT ......................................................................................................43
FRONT ROTATION ADJUSTMENT ..................................................................................................44
SIGNAL CONTRAST ADJUSTMENTS..............................................................................................45
SIGNAL CHROMA/PHASE ADJUSTMENTS.....................................................................................49
VERTICAL LINEARITY REFERENCE VALUE ADJUSTMENTS.......................................................52
SIGNAL DEFLECTION SYSTEM ADJUSTMENTS ...........................................................................54
LOW-LIGHT WHITE BALANCE ADJUSTMENT................................................................................64
SIGNAL WHITE BALANCE ADJUSTMENTS ....................................................................................65
SIGNAL BRIGHTNESS ADJUSTMENTS ..........................................................................................68
ADJUSTMENT OF NTSC/PAL VIDEO INPUT CARD (BT-YA701P) ..........................................................72
BEFORE ADJUSTMENTS ......................................................................................................................72
MEASURING INSTRUMENTS AND TOOLS ..........................................................................................72
ADJUSTMENT LOCATIONS...................................................................................................................72
ADJUSTMENTS OF NTSC/PAL VIDEO INPUT CARD (BT-YA701P)....................................................73
BLOCK DIAGRAM/ SCHEMATIC DIAGRAMS/ CIRCUIT BOARD DIAGRAMS
BLOCK DIAGRAM...................................................................................................................................BLK-1
SCHEMATIC DIAGRAMS........................................................................................................................SCM-1
CIRCUIT BOARD DIAGRAMS ................................................................................................................CBA-1
EXPLODED VIEWS & REPLACEMENT PARTS LIST................................................................................PRT-1
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