Sharp 34H-F200F, Service Manual

Page: 7 / 68

7
7-1
7-2
34H-F200
34H-F200F
ADJUSTMENT METHOD
PIF ADJUSTMENT
NO
1
ADJUSTMENT POINT
RF-A
GC
ADJUSTMENT
(I2C B
US CONTR
OL)
ADJUSTMENT CONDITION / PR
OCEDUR
E
(1) Receiv
e "P
AL COLOUR BAR" signal.
Signal strength:
54
±
1dB
µ
V (50 ohm open)
(2) Call "A
uto A
GC" mode in ser
vice mode (Additional
Setting). (3) Push "V
ol up" or "V
ol do
wn" k
e
y,
automatically adjust.
*change indication from <ST
OP> to <CHECK> at star
t
adjustment. when adjustment is finished, the indication will change from <CHECK> to <ST
OP>.
W
A
VEFORM OR O
T
HERS
Note:
For the 50 ohm signal strength
gaug
e
, when not using 50/75 impedance
adapter
, signal strength is 54
±
1dB
µ
V(50
ohm open),
instead of 56
±
1dB
µ
V(75 ohm
open). precaution:
The loss of using impedance
adapter
.
CUT OFF
, BKGD ADJUSTMENT
NO
1
ADJUSTMENT POINT
AG
IN
G
ADJUSTMENT CONDITION / PR
OCEDUR
E
(1) Receiv
e PR-0ch (BLUE BA
CK OFF), "NOISE PICTURE"
(2) Aging 30 min
utes
.
W
A
VEFORM OR O
T
HERS
2 1
CR
T CUT
OFF
ADJUSTMENT
(Ser
vice mode I2C
b
u
s data adjustment)
Note1:
Appl
y the adjustment after a
ging with the beam
current 1,600
±
50mA or more f
o
r 30 min or
more
.
(1) Receiv
e E-5CH (Monoscope patter
n).
(2) Select P-NORM with the remote controller
.
(3)
T
u
rn
on the ser
vice SW
, and select "T
ube Measurement
(1)
mode
.
(4) Select the screen
VR 0/10.
(5) Press "-/--" k
e
y of the remote controller to select the
hor
iz
ontal center
ing mode
.
(6)
T
u
rn
the screen
VR in the opposite direction to the point
where the hor
iz
ontal center
ing r
aster goes out.
(7) Press "-/--" k
e
y of the remote controller to select the
3
WHITE BALANCE
BA
CKGR
OUND
(CUT OFF BKGD)
I2C b
us adjustment
Note 1:Appl
y this adjustment after a
ging with the beam
current
1,600
±
50mA or more f
or 30 min or more
.
(On the white or green monocolor screen)
(1) Receiv
e E-5CH (Monoscope patter
n).
(2) Select Picture-Nor
mal with the remote controller
.
(3) Receiv
e the windo
w patter
n with A
V
input.
(4)
With the data of G-dr
iv
e and B-dr
iv
e
, adjust the colour
temper
ature
12300
°
K or 17000
°
K or 18000
°
K of the
center white area.
(5) Adjust the r
ight dar
k ar
ea of the windo
w to 12300
°
K or
17000
° K or 18000
°
K with G-cut off and B-cut off
.
(6) Readjust the colour temper
ature at the white peak.
(7) Chec
k 12300
°
K or 17000
°
K or 18000
°
K at the lo
w white
.
*The colour temper
ature is based on the shipment initial
setting
tab
le
.
*
The f
ollo
wing item is carr
ying out sim
ultaneously
.
No
. 3, 5, 6
F
o
r Mala
ysia, Indonesia & Singapore
•
12300
°
K
X :
0.272
±
0.010
Y
:
0.275
±
0.010
F
o
r Thailand
•
17000
°
K
X :
0.261
±
0.010
Y
:
0.261
±
0.010
F
o
r Middle East
•
18000
°
K
X :
0.255
±
0.010
Y
:
0.255
±
0.010
(With Minolta colour ther
mometer CA-100)
*Bef
ore doing the adjustment, mak
e sure the
R/G/B-cut and the R/B/G-Dr
iv
e is at initial
v
a
lues
.
R-CUT
:300
R-DRIVE:400
G-CUT
:300
G-DRIVE:400
B-CUT
:300
B-DRIVE:400
Windo
w patter
n
CUT OFF
, BKGD ADJUSTMENT CONTINUED
NO
4
ADJUSTMENT POINT
Max Beam Chec
k
ADJUSTMENT CONDITION / PR
OCEDUR
E
(1) Receiv
e
50Hz Monoscope P
atter
n Signal.
(2) Press R/C to set Picture NORMAL condition. (3) Connect the DC miliammeter betw
een
TP601 and
TP602 (Full Scale:
3mA Range)
(4) Beam current m
ust be within 2,000
±
100
µ
A.
5
SUB-CONTRAST
(CONT)
I2C b
us adjustment
(RF SIGNAL)
(1) Receiv
e
the windo
w patter
n
with A
V
input.
(2) Mak
e the picture nor
mal with the remote controller
.
(3) Select the "CONT" adjustment mode with the remote controller
, and adjust 50% white to 110
±
10cd.
W
A
VEFORM OR O
THERS
6
SUB-BRIGHTNESS
(BRI)
I2C b
us adjustment
(RF signal)
(1) Receiv
e
the windo
w patter
n
with A
V
input.
(2) Mak
e the picture nor
mal with the remote controller
.
(3) Select the "BRI" adjustment mode with the remote
controller
, and adjust the r
ight dar
k white ar
ea of the
windo
w patter
n to 1.5cd
±
0.5cd.
Note 3:
Use "Y" of Minolta colour anal
yz
er
CA-100. Note 4:
Use the P
AL windo
w pattern o
f the
signal g
enerator SX1006 f
or adjustment.
(P
AL without colour b
ur
st are pr
o
v
ided)
(C cut-ON) *
When E-2 CH (Crosshatch patter
n )or
equiv
a
lent signal is receiv
ed.
1.
Mak
e the picture nor
mal with the remote
controller
.
2.
Adjust the 3rd (1 thr
u 5 from the left) balc
k
of the windo
w patter
n to sink.
Note 5:
windo
w pattern
Dark white for SUB-BRIGHTNESS
50% white for SUB-CONT
CUT OFF POINT