Table Of Contents - FUNAI LT850-M32 Service Manual

Table of Contents

Service Manual1
Table Of Contents2
Specifications3
Important Safety Precautions5
Safety Precautions For Lcd Tv Circuit5
Hot Chassis Warning6
Product Safety Notice6
Precautions During Servicing7
Safety Check After Servicing8
Clearance Distance8
Ratings For Selected Area8
Leakage Current Test8
Standard Notes For Servicing9
Circuit Board Indications9
How To Remove / Install Flat Pack-Ic9
Pb (Lead) Free Solder9
With Soldering Iron10
With Iron Wire10
Instructions For Handling Semi- Conductors11
Installation11
Ground For Human Body11
Ground For Workbench11
Cabinet Disassembly Instructions12
Disassembly Flowchart12
Disassembly Method12
Tv Cable Wiring Diagram16
Electrical Adjustment Instructions17
Test Equipment Required17
How To Set Up The Service Mode17
Purity Check Mode18
Vcom Adjustment18
White Balance Adjustment19
How To Initialize The Lcd Television20
Firmware Renewal Mode21
Firmware Update Procedure21
Troubleshooting22
The Power Cannot Be Turned On22
The Fuse Blows Out22
When The Output Voltage Fluctuates22
Inv+16V Is Not Output23
Al+3.3V Is Not Output23
P-On+5V Is Not Output23
Lcd+24V Is Not Output24
Lcd+16V Is Not Output24
Lcd-6.8V Is Not Output24
The Key Operation Is Not Functioning25
No Operation Is Possible From The Remote Control Unit25
Picture Does Not Appear Normally25
Audio Is Not Outputted Normally. (Tuner Input (Digital))27
Audio Is Not Outputted Normally. (Audio Input Terminals)27
Block Diagrams28
System Control Block Diagram28
Video Block Diagram29
Audio Block Diagram30
Digital Signal Process Block Diagram31
Inverter Block Diagram32
Power Supply Block Diagram33
Schematic Diagrams / Cba And Test Points34
Standard Notes34
Voltage Indications On The Schematics Are As Shown Below35
How To Read Converged Lines35
Test Point Information35
Power Supply 1 & Power Sw Schematic Diagram36
Power Supply 2 Schematic Diagram37
Power Supply 3 Schematic Diagram38
Inverter Schematic Diagram39
Function & Ir Sensor Schematic Diagram40
Digital Main 1 Schematic Diagram41
Digital Main 2 Schematic Diagram42
Digital Main 3 Schematic Diagram43
Digital Main 4 Schematic Diagram44
Digital Main 5 Schematic Diagram45
Digital Main 6 Schematic Diagram46
Digital Main 7 Schematic Diagram47
Power Supply Cba Top View48
Power Supply Cba Bottom View49
Inverter Cba, Function Cba, Ir Sensor Cba & Power Sw Cba Top View50
Inverter Cba, Function Cba, Ir Sensor Cba & Power Sw Cba Bottom View51
Waveforms52
Pin 22 Of Cn40153
Pin 26 Of Cn40453
Pin 29 Of Cn40453
Wiring Diagrams54
Digital Main Cba Unit54
Exploded Views55
Cabinet55
Packing56
Mechanical Parts List57
Electrical Parts List58
Power Supply Cba58