Read Sharp LC-30HV4E (serv.man8) Service Manual online
22
LC-30HV4E
(4) SECAM signal adjustment
1
Setup
1. Set colour system to SECAM.
2. Select SECAM source.
2. Select SECAM source.
100% colour bar signal including 100% white, such
as split colour color bar
as split colour color bar
Adjustment items
Adjustment conditions
Adjustment procedures
2
MAIN SECAM Y
CONTRAST
adjustment
CONTRAST
adjustment
1. Adjust pin (1) of P801 to 0.70 ±0.025 Vp-p.
3
MAIN SECAM COLOR
GAIN adjustment
GAIN adjustment
1. Adjust pin (3) of P801 to
0.70 ±0.025 Vp-p.
4
MAIN CR GAIN
SECAM adjustment
SECAM adjustment
1. Adjust pin (5) of P801 to
0.70 ±0.025 Vp-p.
0.70V
0.70V
1
MAIN PAL Y
CONTRAST
adjustment
CONTRAST
adjustment
1. Adjust pin (1) of P801 to 0.70 ±0.025 Vp-p.
2
MAIN PAL COLOR
GAIN adjustment
GAIN adjustment
1. Adjust pin (3) of P801 to
0.70 ±0.025 Vp-p.
3
MAIN CR GAIN PAL
adjustment
adjustment
1. Adjust pin (5) of P801 to
0.70 ±0.025 Vp-p.
4
MAIN CONTRAST
adjustment
adjustment
Turn off the PEAK ACL control. Adjust the output
(TP815) of IC810 to have 0.90±0.025 Vp-p from the
pedestal level.
(TP815) of IC810 to have 0.90±0.025 Vp-p from the
pedestal level.
Press the DUAL screen button.
Select the special DUAL screen settings for adjustment
(so that the same video source is reflected on MAIN/
SUB).
(so that the same video source is reflected on MAIN/
SUB).
5
SUB PAL Y adjustment
1. Adjust TB1274_SUB output (TP806) to
1.5 ±0.05 Vp-p.
0.70V
0.70V
(3) PAL signal adjustment
6
SUB PAL COLOR
GAIN adjustment
GAIN adjustment
1. Adjust TB1274_SUB output (TP805) to
1.5 ±0.05 Vp-p.
Adjustment items
Adjustment conditions
Adjustment procedures
Click on the first or last page to see other LC-30HV4E (serv.man8) service manuals if exist.