Sharp XV-Z1A, Руководство по обслуживанию

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XV-Z1E/A
24
Step
Adjustment Position
Adjustment Conditions Adjustment Method
15 Gain
(DAC) 1. Receive the 10 step gray
scale signal of NTSC.
2. Connect the oscilloscope to
pin (2) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 2
Subject : DRIVE 1
4. Cinnect the oscilloscope to
pin (1) of P4303.
Subject : R-DRIVE
5. Connect the oscilloscope to
pin (3) of P4303.
Subject : B-DRIVE
»
Using the Operation key switch ' " , adjust level be-
tween black and 100% white level.
1.4 ±0.05Vp-p
(DRIVE1, R-DRIVE, B-DRIVE)
14 Reference level
(DAC) 1. Receive the 10 step gray
scale signal of NTSC.
2. Connect the oscilloscope to
pin (2) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 2
Subject : SUB-BIAS
4. Connect the oscilloscope to
pin (1) of P4303.
Subject : R-BIAS
5. Connect the oscilloscope to
pin (3) of P4303.
Subject : B-BIAS
»
Using the Operation key switch ' " , adjust level be-
tween signal center and reference level.
DC 2.0 ±0.1Vp-p
(SUB-BIAS, R-BIAS, B-BIAS)
16 BRIGHT
(DAC) 1. Receive the 10 step gray
scale signal of NTSC.
2. Connect the oscilloscope to
(2-BRIGHT)(1-R-BRT)(3-
B-BRT) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 1
Subject : BRIGHT(G)
: R-BRT
: B-BRT
»
Using the Operation key switch ' " , adjust level be-
tween signal center and 100% white level.
2.55 ±0.1Vp-p
Reference
level
Signal center
Signal center