DOWNLOAD Sharp XV-Z1E Service Manual ↓ Size: 740.03 KB | Pages: 42 in PDF or view online for FREE

Model
XV-Z1E
Pages
42
Size
740.03 KB
Type
PDF
Document
Service Manual
Brand
Device
Projector / Text - 1-42
File
xv-z1e.pdf
Date
PREV: Sharp XV-Z12000 (serv.man35) User Manual / Operation Manual

Sharp XV-Z1E Service Manual ▷ View online

XV-Z1E/A
25
Step
Adjustment Position
Adjustment Conditions
Adjustment Method
17
Gamma
(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 4
Subject : RGB GAM 1
RGB CTR 1
4. Connect the oscilloscope to
pin (1) of P4303.
Group : VIDEO 4
Subject : R GAM 1
R CTR 1
5. Connect the oscilloscope to
pin (3) of P4303.
Group : VIDEO 4
Subject : B GAM 1
B CTR 1
»
Using the Operation key switch 
' "
, adjust level be-
tween 2nd gradation and GND for
4.4 ±0.1Vp-p
adjust level between black level and GND for
3.0 ±0.1Vp-p
18
SID signal level
1. Receive the 10 step gray
scale signal of NTSC.
2. Connect the oscilloscope to
pin (6) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 3
Subject : SID CTR
»
Using the Operation key switch 
' "
, adjust level be-
tween signal center and SID signal level.
4.0 ±0.1Vp-p
4.0V
4.0V
2nd gradation
Black level
GND
3.0V
4.4V
XV-Z1E/A
26
Step
Adjustment Position
Adjustment Conditions
Adjustment Method
20
TINT of
component
(DAC)
1. Receive the colour bar
sugnal for component ter-
minal.
2. Connect the oscilloscope to
pin (2) of P1501.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 5
Subject : C-TINT
»
Using the Operation key switch 
' "
, adjust the
freshtone for B-Y waveform.
22
PAL COLOUR
(DAC)
1. Receive the colour bar sig-
nal of PAL.
2. Connect the oscilloscope to
pin (1) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 2
Subject : P-COLOR
»
Using the Operation key switch 
' "
, adjust level be-
tween Red and 100% white level.
0.35 ±0.05Vp-p
19
TINT
(DAC)
1. Receive the colour bar sig-
nal.
2. Connect the oscilloscope to
pin (2) of P1501.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 2
Subject : TINT
»
Using the Operation key switch 
' "
, adjust the
freshtone B-Y waveform.
21
Colour of NTSC
(DAC)
1. Receive the colour bar sig-
nal of NTSC.
2. Connect the oscilloscope to
pin (1) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 2
Subject : COLOR
»
Using the Operation key switch 
' "
, adjust level be-
tween Red and 100% white level.
0.15 ±0.05Vp-p
100% White Red
100% White Red
XV-Z1E/A
27
Step
Adjustment Position
Adjustment Conditions
Adjustment Method
24
COLOUR of
component
(DAC)
1. Receive the colour bar sig-
nal of NTSC.
2. Connect the oscilloscope to
pin (1) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 5
Subject : C-COLOR
»
Using the Operation key switc 
' "
, adjust level be-
tween red and 100% white level.
0 ±0.05Vp-p
26
White balance
(DAC)
1. Receive the monoscope
signal of NTSC or PAL.
2. Push S2001 and set the fol-
low DAC mode.
Froup
: VIDEO 2
Subject : R-BIAS
B-BIAS
»
Using the Operation key switch 
' "
, adjust visually
to the white.
23
SECAM
COLOUR
(DAC)
1. Receive the colour bar sig-
nal of SECAM.
2. Connect the oscilloscope to
pin (1) of P4303.
3. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 2
Subject : S-COLOR
»
Using the Operation key switch 
' "
, adjust level be-
tween red and 100% white level.
0.2 ±0.05Vp-p
25
Common DC
bias
(DAC)
(VCOMCTR)
(RC)
(GC)
(BC)
1. Receive the monoscope
signal of NTSC or PAL.
2. Push S2001 and set the fol-
low DAC mode.
Group : VIDEO 3
Subject : VCOMCTR 43
set before adjustment.
3. Subject : RC
: GC
: BC
»
Using the Operation key switch 
' "
, adjust visually
to the sharpest contrast.
100% White Red
100% White Red
XV-Z1E/A
28
Step
Adjustment Position
Adjustment Conditions
Adjustment Method
29
Vertical position
(PAL)
1. Receive the monoscope
signal of PAL.
2. Push S2001 and set the fol-
low DAC mode.
Group : TEST
Subject : V-POS
»
Using the Operation key switch 
' "
, adjust the 21
points of V-POS.
31
Sensor of
thermostat
1. Push S2001 and set the fol-
low DAC mode.
Group : TEST
Subject : HL
»
Using the Operation key switch 
' "
, adjust the 3
points of SH-POS.
27
Sign display
position
(L2003)
1. Receive the monoscope
signal of NTSC or PAL.
2. Push the volume key 
' "
»
Adjust L2003 so the volume sign on screen display is
symmetrical to the right and left side.
30
Samplehold
1. Receive the colour bar sig-
nal of NTSC.
2. Push S2001 and set the fol-
low DAC mode.
Group : TEST
Subject : SH-POS
»
Using the Operation key switch 
' "
, adjust the 8
points of SH-POS.
28
Vertical position
(NTSC)
1. Receive the monoscope
signal of NTSC.
2. Push S2001 and set the fol-
low DAC mode.
Group : TEST
Subject : V-POS
»
Using the Operation key switch 
' "
, display is sym-
metrical to the upper and lower side.
Overscan : 93~95%
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