Sharp LC-30HV4E - Adjustment Parameters

22
LC-30HV4E
ËË
ËË
Ë Adjustment parameters
1) Analog adjustment
(1) AVC System voltage adjustment
(2) TUNER adjustment
1 In-process adjustment
mode
( Check the destination. )
Enter the in-process adjustments mode.
Check that the destination is EUROPE.
Adjustment items Adjustment conditions Adjustment procedures
2 AVC System 3.3V
adjustment
Connect a DC voltmeter to TP4
at the opening on the top of the
PC I/F unit.
Move the cursor to the [Ë+Badj3.3V] line and adjust
the TP4 voltage to 3.30±0.01V.
3 AVC System 1.8V
adjustment
Move the cursor to the [Ë+BAdj1.8V] line and press
"ENTER" key.
Adjustment is complete if [Ë+BAdj1.8V complete]
appears.
If "ERR" occurs, adjust pin (6) at CN9 on the PC I/F
unit so that 1.9V is reached.
1 Setup 1. Set colour system to "PAL".
2. Select PAL source.
100% colour bar signal including 100% white, such
as split field colour bar
Adjustment items Adjustment conditions Adjustment procedures
2 Tuner level adjustment Adjust TP1101 so that the Y signal without the chroma
component should be 1.00 ±0.02 Vp-p
(between the bottom of sync signal and the white
peak).
Connect the oscilloscope to
TP1101.
1.0Vp-p