Sharp 34H-F200F, Service Manual

Page: 8 / 68

8
8-1
8-2
34H-F200
34H-F200F
P
A
L CHR
OMA ADJUSTMENT
NO
1
ADJUSTMENT POINT
SUB COLOUR
I2C Bus adjustment
(RF signal)
ADJUSTMENT CONDITION / PR
OCEDUR
E
(1) Receiv
e
the "P
AL Colour Bar" signal.(E-10CH)
(2) Mak
e the picture nor
mal with the remote controller
.
(3) Connect the oscilloscope to
TP1802 (Use 10:1 probe)
Range:2V/Div
Sw
eep
time:20
µ
sec/Div
(4) Set the sub colour adjustment mode with the remote
controller
, and v
a
ry
the sub colour data to mak
e 75%
W
of the P
AL colour bar and RED at the same le
v
e
l f
or
adjustment sho
wn in Fig.
1-1.
W
A
VEFORM OR O
THERS
NTSC CHR
OMA ADJUSTMENT
NO
1
ADJUSTMENT POINT
SUB-TINT
I2C b
us adjustment
(RF signal)
ADJUSTMENT CONDITION / PR
OCEDUR
E
(1) Select the sub-tint adjustment mode to receiv
e
NTSC
colour
bar
.
(2) Connect the oscilloscope to
TP1803 (Use Probe 10:1)
Range
:20mV/Div
Sw
eep
time
:10
µ
sec/Div
(3)
V
a
ry
the sub tint data to adjust the w
a
v
ef
or
m to be
gained as sho
wn in Fig 1-1.
*Change NVM data position
0D05
data
07 is the offset v
a
lue f
or SREC
.
W
A
VEFORM OR O
THERS
HORIZONT
AL,
VER
T
ICAL
ADJUSTMENT
NO
1 2 3 4 5
ADJUSTMENT POINT
1) 100Hz FULL (input 576i signal/P
AL)
V
. LINEARITY
(I2C B
US CONTR
OL)
VER
TICAL POSITION
(I2C B
US CONTR
OL)
VER
TICAL AMP
.
(I2C B
US CONTR
OL)
HORIZONT
AL
POSITION (I2C B
US CONTR
OL)
PICTURE WIDTH (I2C B
US CONTR
OL)
ADJUSTMENT CONDITION / PR
OCEDUR
E
(1)
Press R/C to set Picture NORMAL condition.
(2)
Select full mode
.
*Receiv
e
50Hz Monoscope P
atter
n
Signal.
(1)
Call the "VER
TICAL LINEAR
ITY" mode
.
(2)
Increase or decrease "VER
TICAL LINEAR
ITY" b
y
V
o
lume k
e
y till the hor
iz
ontal line in the center of
monoscope is just at the position where the b
lanking
star
ts
.
(1) Call the "VER
TICAL POSITION" mode
.
(2) Increase or decrease "VER
TICAL POSITION" b
y
V
o
lume k
e
y till the picture is centered.
(1) Call the "VER
TICAL AMPLITUDE" mode
.
(2) Increase or decrease "VER
TICAL AMPLITUDE" b
y
V
o
lume k
e
y to set o
v
erscan of 8% typical.
Adjustment Spec 8% r
ange +1% -1%
(1) Call the "Hor
.RGB P
os POFS3" mode
. (not NEWLIN
mode) (2) Increase or decrease "Hor
.RGB P
os POFS3" b
y
V
o
lume
k
e
y to center the picture hor
iz
ontal.
Adjustment Spec 10% in left side & 8% in r
ight side
.
(1) Call the "PICTURE
WIDTH" mode
.
(2) Increase or decrease "PICTURE
WIDTH" b
y
V
o
lume
k
e
y to set o
v
erscan of 8% typical.
Adjustment Spec 8% r
ange +1% -1%
*Receiv
e
50Hz Cross-Hatch P
atter
n
Signal.
W
A
VEFORM OR O
THERS
VER
TICAL POSITION and
VER
TICAL AMP
.
2mm > |A-B| E-5 2mm > |C-D| A f
ace is f
o
r south
Adjustment Spec 8.0% r
ange +1% -1%
at the upper side of the geometr
y center and
the lo
w
e
r side of the geometr
y center
A
B
C
D
B
W
Y
W
Mg R
100%
75%
Fig.1-1
Fig.1-1
W
Y Cy G Mg R Bl B
Adjust Same Le
v
e
l
(B-Y)
Cy G
HORIZONT
AL,
VER
T
ICAL ADJUSTMENT CONTINUED
NO
6 7 8 9
10 11 12
ADJUSTMENT POINT
TRAPEZE (I2C B
US CONTR
OL)
CUSHION (I2C B
US CONTR
OL)
CORNER AMPLITUDE (I2C B
US CONTR
OL)
CORNER AMPLITUDE (SIXTH) (I2C B
US CONTR
OL)
ANGLE (I2C B
US CONTR
OL)
BO
W
(I2C B
US CONTR
OL)
S CORRECTION (I2C B
US CONTR
OL)
2) 120Hz (input 480 signal) NTSC
ADJUSTMENT CONDITION / PR
OCEDUR
E
W
A
V
EFORM OR O
THERS
(1)
Call the "TRAPEZE" mode
.
(2)
Increase or decrease "TRAPEZE" b
y
V
o
lume k
e
y.
(1) Call the "CUSHION" mode
.
(2) Increase or decrease "CUSHION" b
y
V
o
lume k
e
y.
(1) Call the "UPPER CORNER" mode
.
(2) Increase or decrease "UPPER CORNER" b
y
V
o
lume
key
.
(3) Call the "LO
WER CO
RNER" mode
.
(4) Increase or decrease "LO
WER CO
RNER" b
y
V
o
lume
key
.
(1) Call the "UPPER CORNER (SIXTH)" mode
.
(2) Increase or decrease "UPPER CORNER (SIXTH)" b
y
V
o
lume
k
e
y.
(3) Call the "LO
WER CO
RNER (SIXTH)" mode
.
(4) Increase or decrease "LO
WER CO
RNER (SIXTH)" b
y
V
o
lume
k
e
y.
(1) Call the "ANGLE" mode
.
(2) Increase or decrease "ANGLE" b
y
V
o
lume k
e
y.
(1) Call the "BO
W" mode
.
(2) Increase or decrease "BO
W" b
y V
olume
k
e
y.
(1) Call the "S-CORRECTION" mode
.
(2) Increase or decrease "S-CORRECTION" b
y
V
o
lume k
e
y.
Adjust items No
.1-- No
.12, same as 100Hz FULL