Panasonic th50phw5 User Manual
3
Objective...............................................................................................................5
2002 Model Line Up..............................................................................................6
2002 Model Line Up..............................................................................................6
Specifications.....................................................................................................7
Features.............................................................................................................8
Features.............................................................................................................8
50” PCB Board Layout Diagram .........................................................................14
42” SD PCB Layout Diagram ..............................................................................15
Video Signal Path Explanation............................................................................16
42” SD PCB Layout Diagram ..............................................................................15
Video Signal Path Explanation............................................................................16
HY/HZ Board....................................................................................................16
HX Board .........................................................................................................17
D1 Board..........................................................................................................18
DVI Interface....................................................................................................19
Sync Process...................................................................................................21
RGB/PC Input Mode Sync ...............................................................................21
Composite/ Component Video Input mode Sync .............................................21
HX Board .........................................................................................................17
D1 Board..........................................................................................................18
DVI Interface....................................................................................................19
Sync Process...................................................................................................21
RGB/PC Input Mode Sync ...............................................................................21
Composite/ Component Video Input mode Sync .............................................21
SC Board Explanation.........................................................................................25
SS Board Explanation.........................................................................................28
Power Supplies...................................................................................................31
SS Board Explanation.........................................................................................28
Power Supplies...................................................................................................31
Standby Power Supply.....................................................................................31
Main Power Supply ..........................................................................................32
Main Power Supply ..........................................................................................32
Power Factor Control ....................................................................................32
Low Voltage Power supply............................................................................33
Voltage Regulation........................................................................................33
Low Voltage Power supply............................................................................33
Voltage Regulation........................................................................................33
Protection Circuits...............................................................................................36
Diagnostic Procedures........................................................................................38
Diagnostic Procedures........................................................................................38
Self Check Display Indication...........................................................................38
Power LED Flashing timing chart.....................................................................39
Power LED Flashing timing chart.....................................................................39
No Power .........................................................................................................40
The Power LED is red and blinking on/off........................................................41
Power LED blinks twice ...................................................................................42
No Picture Flowchart 1.....................................................................................43
No picture Flowchart 2 .....................................................................................44
Dark picture Flowchart .....................................................................................45
The Power LED is red and blinking on/off........................................................41
Power LED blinks twice ...................................................................................42
No Picture Flowchart 1.....................................................................................43
No picture Flowchart 2 .....................................................................................44
Dark picture Flowchart .....................................................................................45