LC-30HV4E (serv.man8). Adjustment procedures and upgrading installed programs - Sharp TV Service Manual (repair manual). Page 5

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23
LC-30HV4E
(5) N358 signal adjustment
1
Setup
1. Set colour system to N358.
2. Select N358 source.
100% SMPTE colour bar or similar colour bar
signal including 100% white.
Adjustment items
Adjustment conditions
Adjustment procedures
2
MAIN N358 Y
CONTRAST
adjustment
1. Adjust pin (1) of P801 to 0.70 ±0.025 Vp-p.
3
MAIN N358 COLOR
GAIN adjustment
1. Adjust pin (3) of P801 to
0.70 ±0.025 Vp-p.
4
MAIN CR GAIN N358
adjustment
1. Adjust pin (5) of P801 to
0.70 ±0.025 Vp-p.
5
MAIN N358 TINT
adjustment
1. Adjust TB1274_MAIN output (TP802) so that
waveform becomes as illustrated below:
0.70V
0.70V
Smoothed
(6) Component 15k Hz signal adjustment
1
Setup
1. Select component 15k Hz.
2. Select component source.
100% colour bar signal including 100% white, like
split field colour bar
Adjustment items
Adjustment conditions
Adjustment procedures
2
MAIN COMP 15k Y
Level adjustment
Adjust pin (1) of P801 to 0.7 0±0.025 Vp-p.
3
MAIN COMP 15k
COLOR GAIN
adjustment
Adjust pin (3) of P801 to
0.70 ±0.025 Vp-p.
4
MAIN CR GAIN COMP
15k adjustment
Adjust pin (5) of P801 to
0.70 ±0.025 Vp-p.
0.70V
0.70V
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