Table Of Contents - Sony TRINITRON PVM-14L2 Service Manual

Table of Contents

Table Of Contents3
Service Informations7
Board Locations (14 Inch)7
Disassembly (14 Inch)8
Top Cover And Rear Cover Removal (14 Inch)8
B And B1 Boards Removal (14 Inch)9
Q Board Removal (14 Inch)10
G And Q Block Assy Removal (14 Inch)11
G Board Removal (14 Inch)11
C Board Removal (14 Inch)12
Picture Tube And Bezel Assy Removal (14 Inch)12
H, J And X Boards Removal (14 Inch)13
Removal Of Anode Cap (14 Inch)13
Board Locations (20 Inch)14
Disassembly (20 Inch)15
Top Cover And Rear Cover Removal (20 Inch)15
B And B1 Boards Removal (20 Inch)16
Q Board Removal (20 Inch)17
G And Q Block Assy Removal (20 Inch)18
G Board Removal (20 Inch)18
J And H Boards Removal (20 Inch)19
Picture Tube, Bezel Assy And X Board Removal (20 Inch)20
Removal Of Anode Cap (20 Inch)21
Set-Up Adjustment23
Equipment Required23
Service Mode23
Operating The Service Mode23
Preparations (1)23
Executing Factory Load24
Executing Factory Save24
Factory Set24
Service Mode Screen Display25
Writing Model Data29
Picture Output29
Ac Input Voltage Setting29
Preparation (2). Initialization29
Free-Run Frequency Adjustment30
Landing Adjustment30
14 Inch31
20 Inch31
H Blanking Adjustment32
Defection Adjustment32
Dy Inclination Distortion Check32
Picture Size Specifications33
H. Size33
V. Size33
Convergence Adjustment (1)34
V-Stat Mg Knob34
Deflection Yoke Neck Rotation Adjustment35
Convergence Adjustment (2)35
White Balance Adjustment (15K)36
Group Of Models Inch 1436
G2 Adjustment36
Conditions36
White Balance Adjustment (33 K)37
Sub Bright, Sub Contrast Adjustment (15 K)37
White Balance Interference Correction Adjustment38
Ntsc Composite Adjustment38
Pal Composite Adjustment38
Component Adjustment38
Sub Bright, Sub Contrast Adjustment (33 K)38
Sdi Adjustment38
Focus Adjustment39
Blk Adjustment39
Fbt Focus Vr Controls (20 Inch)39
Safety Related Adjustment41
+B Voltage Check41
G Board (Hv Protector Circuit)41
High Tension Regulator Confirmation42
Hv Protector Circuit Confirmation42
Electrical Adjustments43
B Board Adjustments44
Preparation Of Signals44
Test Point44
Ntsc Setup 0 Mode Adjustment45
Y/C Input45
Connection Diagram45
Composite Input46
Ntsc Setup 7.5 Mode Adjustment46
Pal Mode Adjustment47
Y Pbpr Smpte (601) Signal48
Y Pbpr Betacam Setup 0 Signal48
Y Pbpr Betacam Setup 7.5 Signal49
Theory Of Operation51
B Board51
Input Section - Decoder Section51
Video Signal And Y/C Signal51
Cxa1739S Peripheral Circuit52
Abl Circuit52
Blanking Pulse Shaping52
Blue Only Circuit52
Defection And High Voltage Circuit53
Sync Signal Processing Circuit53
Horizontal Output Circuit53
Vertical Output Circuit53
Power Supply Circuit54
Power Factor Improvement Block54
Power Regulator For The Main Power Supply54
Overvoltage Protection And Over-Current Protection Circuits55
Semiconductors57
Transistor, Diode58
Spare Parts61
Notes On Repair Parts61
Safety Related Components Warning61
Standardization Of Parts61
Exploded Views62
G, Q Board Section (14 Inch)64
Chassis And Bezel Assy Section (14 Inch)66
Picture Tube Section (14 Inch)68
Top Cover Section (20 Inch)70
G, Q Boards Section (20 Inch)72
Chassis And Bezel Assy Section (20 Inch)74
Picture Tube Section (20 Inch)76
Electrical Parts List78
Block Diagrams135
B (1/3), B1, Q (1/2), G (1/2)135
B (2/3), C, H (1/2)136
G (2/2), J, Dy138
Diagrams139
Resistor139
Capacitor139
Schematic Diagrams And Board Layouts140
C (Pvm-14L2)152
C (Pvm-20L2)154
Safety Check-Out173
Leakage Test173
Using An Ac Voltmeter To Check Ac Leakage173