Table of Contents

SERVICE MANUAL

FLAT COLOUR TELEVISION

AV-29V514/B

BASIC CHASSIS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-32 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-43 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-74 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-135 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-31

No.YA139

2004/9

Page 1

Image 1

Contents

AV-29V514/B Table of Contents Items Contents Specification Safety Precautions Section PrecautionLeakage Current Check Alternate Check Method Features Section Specific Service InstructionsFunctions „ Remote Control Unit „ Rear Terminal VIDEO-1 Input Terminal „ Front Panel ControlsComponent VIDEO-2 Input Terminal Output Terminal Pin no Pin name Remark Main CPU Main PWB IC701 PIN Function Section Disassembly Main PWB Speaker FBT Procedure for Replacing Memory IC Replacement of Memory IC Setting item Setting content Setting value Factory Setting Value „ Setting of System Constant SET Power „ Setting of Basic FunctionsEdit / Manual Language Thai Tint How to install Chip parts Resistors, capacitors, etc Replacement of Chip ComponentSoldering Iron Transistors, diodes, variable resistors, etc Adjustment Preparation Section AdjustmentPresetting Before Adjustment Adjustment Items Front Control PWB ASS’Y 2/2 Adjustment Locations Service Menu Items Basic Operation in Service MenuBasic Operation in Service Menu HOW to Enter Service Menu Method of Setting Notes MHz Service Menu Flow Chart Focus Adjustment Adjustment ProcedureIf Circuit Adjustments Delay Point White Video Circuit AdjustmentsComposite White Balance Component White Balance SUB SUB BrightContrast PAL Colour SUB ColourSecam Colour SUB Tint Audio Setting „ Compress OFF Deflection Circuit AdjustmentsSlope PAL V. Slope PAL V. Height HeightNtsc V. Height PAL H. Position PAL Side PIN Side PINNtsc Side PIN Trapezium PAL Corner PIN Corner PINNtsc Corner PIN Parallel Select Picture Features Ntsc Trapezium PIN PAL Trapezium PIN Preset VSM Preset Setting„ Video 2 SET Component VSM Purity and Convergence „ Purity Adjustment „ Dynamic Convergence Adjustment „ Static Convergence Adjustment Indication by the Power LED Section TroubleshootingSelf Check Functions Outline Self Check Items 32 No.YA139 WPC

JVC AV-29V514/B service manual Table of Contents

Models: AV-29V514/B

AV-29V514/B