Panasonic TH-103PF12W / TH-103PF12T Service Manual ▷ View online
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TH-103PF12W / TH-103PF12T
10.1.3. P.C.B. (Print Circuit Board) and Plasma Display Panel exchange
10.1.3.1. Quick adjustment after P.C.B. and Panel exchange
1. To remove P.C.B., wait 10 minute after power was off for discharge from electrolysis capacitors.
10.1.3.2. Quick adjustment after P.C.B. exchange
Adjust the following voltages with the multimeter.
*See the Panel Label.
**See chap. 10.1.6.
***See chap. 10.1.7.1.
**See chap. 10.1.6.
***See chap. 10.1.7.1.
10.1.3.3. Quick adjustment after Plasma Display Panel exchange
Adjust the following voltages with the multimeter.
*See the Panel Label.
10.1.4. Vsus adjustment
After exchange P board or Plasma Display Panel, see the Panel Label and check TPVSUS and adjust the volume.
10.1.5. Vad adjustment
After exchange SC board, check TP9 and adjust the volume.
10.1.6. Ve adjustment
1. After exchange SS board, connect the multimeter to the testpoint TPVE(SS).
2. Select Ve Mode by IIC mode. (See chap. 6.1.1., and 6.2.)
2. Select Ve Mode by IIC mode. (See chap. 6.1.1., and 6.2.)
P.C.B.
Name
Test Point
Voltage
Volume
Remarks
P Board (Main_1)
Vsus
TPVSUS (SC)
Vsus ± 2V
VR251 (P_Main_1)
*
Vda
TP9 (P_Main_1)
70V +1V, -2V
Fixed
P Board (Main_2)
Vsus
TPVSUS (SS)
Vsus ± 2V
VR251 (P_Main_2)
*
Vda
TP9 (P_Main_2)
70V +1V, -2V
Fixed
SC Board
Vad
TPVAD (SC)
-135V ± 1V
VR16600 (SC)
Vscn
TPVSCN (SC)
Vad_base:+145V±4V
GND_base: +10V±6V
GND_base: +10V±6V
Fixed
SS Board
Ve**
TPVE (SS)
Ve ± 1V
VR16001 (SS)
*
D, DS Board
White balance and Sub brightness for NTSC, PAL, HD, PC and 625i signals
DN Board
Set Market Select Number to correct destination by MS mode. (See chap. 6.1.5)
D, DN Board
Set Ve Mode until bright points disappears by IIC mode.
***
Name
Test Point
Voltage
Volume
Remarks
Vsus (SC Side)
TPVSUS (SC)
Vsus ± 2V
VR251 (P_Main_1)
*
Vsus(SS Side)
TPVSUS (SS)
Vsus ± 2V
VR251 (P_Main_2)
*
Ve Life
Check Ve Mode. (See chap. 10.1.7.2.)
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TH-103PF12W / TH-103PF12T
3. Check that the Ve Mode is set to 3.
4. Pless R button and then select and display Ve Init.
5. Check TPVE and adjust the volume.
6. Exit the IIC mode.
6. Exit the IIC mode.
10.1.7. Ve Life adjustment
10.1.7.1. After exchange both D board and DN board
1. Select Ve Mode by IIC mode. (See chap. 10.1.6.)
2. Check that no bright points appears on the display.
3. If bright points appears, change Ve Mode until bright points disappears.
4. Exit the IIC mode.
2. Check that no bright points appears on the display.
3. If bright points appears, change Ve Mode until bright points disappears.
4. Exit the IIC mode.
Note: If bright/ nolit points still appears, set Ve Mode to 3.
10.1.7.2. After exchange Plasma Display Panel
1. Select Ve Mode by IIC mode. (See chap. 10.1.6.)
2. Check that the Ve Mode is set to 3.
3. Check that no bright/nolit points appears on the display.
4. Exit the IIC mode.
2. Check that the Ve Mode is set to 3.
3. Check that no bright/nolit points appears on the display.
4. Exit the IIC mode.
10.1.8. Bright or Nolit appears on the display
1. Select Ve Mode by IIC mode. (See chap. 10.1.6.)
2. Check and remember the value of Ve Mode.
3. If bright points appears, change Ve Mode lower until bright points disappears.
4. If nolit points appears, change Ve Mode upper until nolit points disappears.
5. Check that no bright/nolit points appears on the display, then exit the IIC mode.
2. Check and remember the value of Ve Mode.
3. If bright points appears, change Ve Mode lower until bright points disappears.
4. If nolit points appears, change Ve Mode upper until nolit points disappears.
5. Check that no bright/nolit points appears on the display, then exit the IIC mode.
Note: If bright / nolit points still appears, set back Ve Mode to the value you remembered above.
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TH-103PF12W / TH-103PF12T
10.1.9. Adjustment Volume Location
10.1.10. Test Point Location
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TH-103PF12W / TH-103PF12T
10.2. Adjustment
10.2.1. RGB white balance adjustment
Instrument Name
Connect to
Setting
• RGB VGA60 W / B pattern
• Color analyzer
• Color analyzer
(Minolta CA-100 or equivalent)
PC input
Panel surface
Panel surface
User setting: Normal
(Picture menu: STANDARD)
(Picture menu: STANDARD)
Steps
Remarks
[Condition]
• Make sure the front panel to be used on the final set is fitted.
• Make sure a color signal is not being shown before adjustment.
• Put the color analyzer where there is little color variation.
• Make sure a color signal is not being shown before adjustment.
• Put the color analyzer where there is little color variation.
[Adjustment]
1. Set COMPONET / RGB-IN SELECT to RGB.
2. Select the IIC mode “PANEL W / B Adj.” item.
3. Check that the color temperature is “COOL (Hi)”.
4. Output a white balance pattern.
5. Touch the signal receiver of color analyzer to the highlight window’s center.
6. Fix G drive at E0h and adjust B drive and R drive so x, y become the “Color temperature
2. Select the IIC mode “PANEL W / B Adj.” item.
3. Check that the color temperature is “COOL (Hi)”.
4. Output a white balance pattern.
5. Touch the signal receiver of color analyzer to the highlight window’s center.
6. Fix G drive at E0h and adjust B drive and R drive so x, y become the “Color temperature
COOL (Hi)” in the below table.
7. Increase R / G / B together so the maximum drive value in R / G / B becomes FCh.
8. Set color temperature to “NORMAL (Mid)”.
9. Fix G drive at E0h and adjust B drive and R drive so the highlight window’s x, y becomes
8. Set color temperature to “NORMAL (Mid)”.
9. Fix G drive at E0h and adjust B drive and R drive so the highlight window’s x, y becomes
the “Color temperature NORMAL (Mid)” in the below table.
10. Increase R / G / B together so the maximum drive value in R / G / B becomes FCh.
11. Set color temperature to “WARM (Low)”.
12. Set G drive to E0h and adjust B drive and R drive so the highlight window’s x, y become
the “Color temperature WARM (Low)” shown in the below table.
13. Increase R / G / B together so the maximum drive value in R / G / B becomes FCh.
14. Copy the R drive, G drive and B drive data in NTSC, PAL DVI region.
14. Copy the R drive, G drive and B drive data in NTSC, PAL DVI region.
Adjustment target
Hi-light: x ± 0.003 y ± 0.003
Hi-light is target of the number at drive adjustment in the hi-light windows.
Therefore, it is not target of the hi-light number at after adjustment white balance.
Hi-light: x ± 0.003 y ± 0.003
Hi-light is target of the number at drive adjustment in the hi-light windows.
Therefore, it is not target of the hi-light number at after adjustment white balance.
Picture Menu: Standard
User setting: Normal
Aspect: Full (16 : 9)
Position and size: Normal
User setting: Normal
Aspect: Full (16 : 9)
Position and size: Normal
• “7” key : color temperature select.
• “9” key : Picture menu select.
• “9” key : Picture menu select.
• Highlight section Signal amplitude 75%
• Drive standard G: E0h
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