Sharp 21XF30, Service Manual

Page: 3 / 58

3
21XF30
21XF50
3-1
3-2
ADJUSTMENT PRECA
UTIONS
This model’
s setting are adjusted in tw
o diff
erent w
a
ys:
through the I
2
C b
us control and in the con
v
entional
analog manner
.
The adjustments via the I
2
C b
us control include preset-only items and v
ar
iab
le data.
1.
Setting the ser
vice mode b
y
the micr
opr
ocessor
.
1
. Shor
t
TP1001 &
TP1002 to s
witch to the ser
vice mode position, and the microprocessor is in input
mode
. (Adjustment through the I2C b
us control).
(Use JWS K
e
y to set as w
ell).
2
. Press the CH DO
WN / UP k
e
y on the remote controller to get ready to select the mode one b
y one
.
3
. Press the CH DO
WN / UP k
e
y on the remote controller to select the modes re
v
e
rsib
ly one b
y
one
.
4
. Using the
V
OLUME UP/ DO
WN k
e
y on the remote controller
, the data can be modified.
5
. Disconnect
TP1001 &
TP1002 to s
witch to the nor
mal mode (OFF) position, and the microprocessor is
in out of the ser
vice mode
.
2.
F
actory Presetting.
1
. Shor
t
TP1001 &
TP1002 to s
witch to the ser
vice mode position and tur
n on the main po
w
er s
witch.
Initial v
a
lues are automatically preset, only when a ne
w EEPR
OM is used (J
udge with the first 4 b
ytes).
2
.
The initial data are preset as listed in page E-9, E-10 & E-11.
3
. Mak
e sure the data need modify or not (Initial data).
Note:
Once the c
hassis has been assemb
ly
tog
ether and read
y to be PO
WER ON f
or the FIRST
TIME,
make sure to shor
t
TP1001 &
TP1002 to s
witc
h to the service mode position fir
st and then turn on
the main po
wer s
witc
h (See 2-(1) abo
ve).
Precaution:
If ha
ven’t done this initiation,
it ma
y possib
ly
g
enerate e
xcessive Beam current.
3.
For ref
erence please c
hec
k with memor
y
map
(U
AF Series type RH-iX3411CEN5 Attac
hment)
4.
T
roub
le indications
If the set is interr
upted b
y
IIC b
us line error
, the f
ollo
wing indicators w
or
k to identify a spot in troub
le
.
LED (RED) flashing:
Flashing time
P
ar
t's Ref
.No
.
Remar
ks
2
IC1003
EEP R
O
M
3
IC801
TV PR
OCESSOR
4
IC401
A
V
SWITCH
5
IC305
SOUND PR
OCESSOR
6
IC2300
NICAM/A2 DECODER
8
TU201
TUNER
SER
VICE MODE
(1)
In the Ser
vice Mode
, K
e
y is used to select the mode in the f
ollo
wing order
.
AGC &
GEOMETRIC
MODE
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
AGC
Take Over Point (AGC)
V
ertical Slope (V
-LIN)
V
ertical
Amplitude(V
-AMP)
V
ertical Shift (V
-CENT)
Horizontal shift (H-CENT) East-W
est width (H-SIZE)
Horizontal Parallelogram (EW//) East-west Parabola/Width (P
ARA)
East-west Upper Corner Parabola (COR(U)) East-west Lower Corner Parabola (COR(L)) East-west
T
rapezium (TRAPE)
Horizontal Bow (HB) S-Correction (S-COR)
WHITE POINT
ADJ.
MODE
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
White point Red Standard white temp.(DRI-RS) White point Green Standard white temp. (DRI-GS) White point Blue Standard white temp (DRI-BS) White point Red Cold white temp. (DRI-RC) White point Green Cold white temp. (DRI-GC) White point Blue Cold white temp. (DRI-BC) White point Red W
arm white temp. (DRI-R
W)
White point Green W
arm white temp. (DRI-GW)
White point Blue W
arm white temp. (DRI-BW)
SUB ADJ.
MODE
↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓ ↓
Max V
olume (SUB-VOL)
Sub Contrast (SUB-CON) Sub Colour (SUB-COL) Sub Brightness (SUB-BRI) Sub T
int
(SUB-TINT)
Sub Sharpness (SUB-SHP) Max Hotel V
olume (HTL-VOL)
Hotel Program number (HTL-PRG) Blue Back Contorast (BB-CON) OSD RGB Reference (RGB) Black Level of
f-set R (CUT
-R)
Black Level of
f-set G (CUT
-G)
Cathode Drive Level (CDL)
FOR
W
ARD : CH DOWN KEY
REVERSE : CH UP
KEY
* ( ) means OSD display
.
FOR
W
ARD : CH DOWN KEY
REVERSE : CH UP
KEY
* ( ) means OSD display
.
AGC &
GEOMETRIC
MODE
WHITE POINT
ADJ.
MODE
SUB ADJ.
MODE
Y
-DELA
Y
ADJ.
MODE
MISC.
OPTION
MODE
IC
OPTION
MODE
OFFSET
ADJ.
MODE