Sanyo PLC-EF30 Service Manual page 35

3. The voltage check of the 3D-Noise-reduction-PLL circuit.
Equipment
Connections :
Input mode
Input signal
Picture condition
Check that the voltage of TP5103 is 2.9± 0.5VDC.
If it is not 2.9± 0.5VDC, check the periphery of the 3D-Noise-reduction-PLL cir-
cuit and repair it.
4. AV Color and Tint adjustments
Equipment
Input mode
Input signal
Picture condition
Connections
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Group No.
Adjustment part.
1000- 25
Amplitude-A in a figure.
1000- 24
Part-B, C and D in a figure.
Digital voltmeter
+ TP5103/ - chassis ground.
AV
Color bar signal(PAL)
Normal
Oscilloscope.
AV.
Color bar signal(NTSC)
Normal.
+ TP221 or TP5183
- chassis ground.
Adjustment or adjustment value.
0.45± 0.02Vp-p
Make those the same width.
B
C
D
A
5. Component Video signal adjustments
Equipment
Input mode
Input signal
Picture condition
Set the image to "Service mode."
3-1. Component G Video adjustment
Connections + TP211 or TP2072 / - chassis ground.
Adjust each item for below values with the Volume + and - buttons.
Adjustment part.
Group No.
5010- 0 Amplitude-A in a figure.
5010- 1 Pedestal level and black level.
3-2. Component R Video adjustment
Connections + TP201 or TP2071 / - chassis ground.
Adjust each item for below values with the Volume + and - buttons.
Adjustment part.
Group No.
5010- 2 Amplitude-A in a figure.
5010- 3 Pedestal level and black level.
3-3. Component B Video adjustment
Connections + TP221 or TP2073 / - chassis ground.
Adjust each item for below values with the Volume + and - buttons.
Adjustment part.
Group No.
5010- 4 Amplitude-A in a figure.
5010- 5 Pedestal level and black level.
A
-39-
Oscilloscope.
Y, Cb, Cr.
16 step gray scale signal
Normal.
Adjustment or adjustment value.
0.66± 0.05Vp-p
Make it the same level.
Adjustment or adjustment value.
0.66± 0.05Vp-p
Make it the same level.
Adjustment or adjustment value.
0.66± 0.05Vp-p
Make it the same level.
Pedestal
Level
Black Level