Sharp 29A-SX1 - Page 10

10
29A-SX1
29A-SX5
29A-SX8
SX-68JF200
10
PAL CHROMA ADJUSTMENT
NO. Adjustment part Adjusting procedure and conditions Waveform and others
1-1
SUB-COLOUR I
2
C bus adjust-
ment (RF signal)
1 E-12CH(PAL colour bar) is received. 2 Make the image normal with the remote con-
troller.
3 Connect the oscilloscope to TP3802. (10:1
probe is used.) Range: 2V/Div. Sweep time : 20µsec/Div.
4 Set the sub colour adjustment mode with the
remote controller, and vary the sub colour data to make 100%W of the colour bar and RED at the same level for adjustment shown in Fig. 1- 1.
Fig. 1-1
Cy G
75%W Y
100%W
Mg
R
B
NO. Adjustment part Adjusting procedure and conditions Waveform and others
1-1
SUB-TINT I
2
C bus adjust-
ment (RF signal)
1 Select the sub-tint adjustment mode (automatic
Y cut) to receive JA-8CH(NTSC colour bar).
2 Connect the oscilloscope to TP800 (B-Y).
Range : 20mV/Div. (AC) Sweep time: 20µsec/Div. (10:1 probe is used.)
3 Vary the sub tint data to adjust the waveform to
be gained as shown in Fig. 1-1. TP800.............(KY) 6 pin
(B-Y)
W Y Cy G Mg R B
1-2 * SUB-TINT
I
2
C bus adjust-
ment (DVD signal)
1 Select the sub-tint adjustment mode (automatic
Y cut) to receive the DVD colour bar signal.
2 Connect the oscilloscope to TP800(B-Y).
Range : 20mV/Div. (AC) Sweep time: 20µsec/Div. (10:1 probe is used.).
3 Vary the sub tint data to adjust the waveform to
be gained as shown in Fig. 1-1.
4 Release the adjustment mode.
(B-Y)
W Y Cy G Mg R B
NTSC CHROMA ADJUSTMENT
1-2 * SUB-COLOUR
I
2
C bus adjust-
ment (DVD signal)
1 DVD signal is received. (Half colour bar signal) 2 Make the image normal with the remote con-
troller.
3 Connect the oscilloscope to TP3802. (10:1
probe is used.) Range : 2V/Div. Sweep time: 20µsec/Div.
4 Set the sub colour adjustment mode (DVD) with
the remote controller, and vary the sub colour (DVD) data to make 100%W of the colour bar and RED at the same level for adjustment shown in Fig. 1-2. (* It is being examined.)
Fig. 1-2
Cy G
WY
100%W Mg R
B
Fig. 1-1 Fig. 1-1