PANASONIC TC-42PD1 _ PLASMA TV - ALIGNMENT - SERVICE MODE - AGING - WHITE BALANCE ADJUSTMENT - VOLTAGE ADJUSTMENT AFTER PCB REPLACEMENT
HOW TO ACCESS ALIGNMENT
- Press and hold the volume down / - button on the front panel of the unit and press the status button on the remote control 3 times quickly within 1 second, this will place the unit into the CAT menu (Main service mode).
- Press the STR button on the remote control.
- Select the alignment Subject by the UP or DOWN button of the Cross buttons on the remote control.
- Select the alignment item by the LEFT or RIGHT buttons of the Cross buttons on the remote control.
- Adjust optimum setting by Volume Up / + and Down / - buttons.
- To exit the IIC mode, press the menu button on the remote control.
- To exit the CAT mode, access the ID mode by the down button of cross buttons and switch off the main power and on again.
Alignment
- DS contrast
- Input 1Vp-p PAL Composite colour bar signal into the video in terminal.
- Access the DS contrast mode and align as follow.
- Alignment Item: Sub Contrast
- Reference: 66
- Setting/Special feature: 0.7V pedestal-peak on TP216.
VIDEO SIGNAL SETTING
- Input 1Vp-p PAL Composite colour bar signal into the Video in terminal.
- Set Picture mode to Normal mode and Manual W/B to Cool position.
- Access the Video signal Adj. Mode and set each Item as follow.
Alignment Item
|
Reference
|
Setting /Special feature
|
Sub
Brightness
|
80
|
Fixed
data
|
R Cutoff
|
40
|
Fixed
data
|
B Cutoff
|
40
|
Fixed
data
|
Sub
Contrast
|
63
|
Set the
signal on TP294 to 0.7V pedestal-peak.
|
R Drive
|
71
|
Set the
signal on TP293 to 0.7V pedestal-peak.
|
B Drive
|
71
|
Set the
signal on TP295 to 0.7V pedestal-peak.
|
G Cutoff
|
80
|
Fixed
data
|
G Drive
|
20
|
Fixed
data
|
- Record the setting data of Sub contrast, R Drive and B Drive.
- Access the SG Hold mode (Forced signal system set mode) and set the system to NTSC.
- Return to the Video signal adj. mode and copy the Data 1 for each item.
- Repeat item 5) and 6) for SECAM, 525i, 625i and 525p system.
CHROMA CONTROL
Alignment Item
|
Reference
|
Setting/Special feature
|
R-Y Axis
Angle
|
E
|
Fixed
data
|
R-Y Axis
Gain
|
2E
|
Fixed
data
|
Sub Tint
|
47
|
Optimum
setting
|
Sub
Colour
|
30
|
Optimum
setting
|
- Record the setting data of Sub Tint and Sub Colour.
- Access the SG Hold mode (Forced signal system set mode) and set the system to NTSC.
- Return to the Chroma Control mode and copy the Data 2 for each item.
- Repeat item 3) and 4) for SECAM and 525i system. (Sub colour data for SECAM system should be reduced 5 steps from data 2.)
PANEL WHITE BALANCE
- PC/RGB signal
- Change to the PC input mode and input the PC signal.
- Set the manual W/B to Cool by the Menu button.
- Access the Panel W/B mode and align the white balance (Slightly bluish white).
Reference Cool (Hi)
|
Setting/Special feature
|
|
Brightness
|
66
|
Optimum
setting
|
R Cutoff
|
91
|
Optimum
setting
|
B Cutoff
|
85
|
Optimum
setting
|
B Drive
|
6A
|
Optimum
setting
|
R Drive
|
74
|
Optimum
setting
|
Contrast
|
84
|
Optimum
setting
|
- Change the Manual W/B to Normal by the Menu button, and set the white balance data by Increasing the R Drive data 34 steps and reducing the B drive data 2 steps from Cool mode.
- Change the Manual W/B to Warm by the Menu button, and set the white balance data by Increasing the R Drive data 47 steps and reducing the B drive data 31 steps, R cutoff and B cutoff 1 step from Cool mode.
COMPOSITE | COMPONENT SIGNALS
- Change to the AV input mode and input the PAL white pattern signal.
- Set the manual W/B to Cool by the Menu button.
- Access the Panel W/B mode and align the white balance (Slightly bluish white)
- Change the Manual W/B to Normal by the Menu button, and set the white balance data by Increasing the R Drive data 24 steps and reducing the B drive data 2 steps, B Cutoff 1 step from Cool mode data.
- Change the Manual W/B to Warm by the Menu button, and set the white balance data by Increasing the R Drive data 30 steps and reducing the B drive data 35 steps, B cutoff 2 step from Cool mode data.
- Access the SG Hold mode (Forced signal system set mode) and set the system to NTSC.
- Return to the Panel W/B mode and copy the Data 3 for each item.
- Repeat item 6) and 7) for 525i, 625i and SECAM system.
AGING
- Aging mode is internal pattern generator for panel setting confirmation and the after image removal.
- There are 4 colour pattern White, Red, Blue and Green.
- Access desired colour pattern by the Volume Up or Down button on the remote control and press the STR button.
- To exit press Menu button.
SCROLL BAR
- Scroll bar is for the after image removal.
- Display scroll bar approximately 15 minutes after alignment is competed.
- Access the Scroll bar menu by Left or Right button of cross button and press the STR button.
- To exit press the Menu button.
SELF CHECK
Display Indication
- Self-check is used to automatically check the bus line controlled circuit of the Plasma display.
- To get into the Self-check mode press the volume down button on the customer controls at the front of the set, at the same time pressing the OFF-TIMER button on the remote control. [If the CCU ports have been checked and found to be incorrect or not located then “--” will appear in place of “OK”]
QUICK ADJUSTMENT AFTER P.C.B EXCHANGE
- When a P.C.B. is changed following P.C.B. should be re-adjusted.
Changed
P.C.B.
|
Item
|
Volume
|
Test point
|
Level
|
VDA
|
R528
|
TPDA1(C1)
|
75V±0.5V
|
|
P board
|
VSUS
|
R639
|
TPVSUS
|
VSUS±1V
|
VE
|
R494(P1)
|
TPVE
|
VE±1V
|
|
DS board
|
DS
contrast
|
IIC mode
|
TP216
|
0.7 Vp-p
|
SC board
|
Vset
|
R6587
|
TPVSET
|
VSET±0.5V
|
Vscn
|
R6595
|
TPVSCN
|
80V±0.5V
|
|
SS board
|
Erase
pulse
|
R6754
|
TPSS1
|
Waveform
|
D board
|
Re-Confirmation
of all alignment setting.
|
