Sharp 14D2-S/G Service Manual download (Page 3 of 40)

Manual type:Service Manual
Pages:40
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Page 3 of 40
3
3-1
3-2
14D1-S/G/W
14D2-S/G
ADJUSTMENT PRECAUTIONS
This
model's
setting
are
adjusted
in
two
different
ways:
through
the
I
2
C
bus
control and
in
the conventional
analog
manner.
The
adjustments via the I
2
C bus control include
preset-only items and variable data.
CAUTION: Make sure TV Set is in "Normal Condition" before switch to Service Mode for adjustment.
1. Setting the service mode by the microprocessor.
1
.
Short JA 137 & JA 138 for 1 second and release to switch to the service mode position, and
the
microprocessor is in input mode. (Adjustment through the I2C bus control). (Use JWS Key to set as
well).
2
.
Press the CH DOWN / UP key on the remote controller to get ready to select the mode one by one.
3
.
Press the CH DOWN / UP key on the remote controller to select the modes reversibly one by one.
4
.
Using the VOLUME UP/ DOWN key on the remote controller, the data can be modified.
5
.
Short JA 137 & JA 138 for 1 second and release to switch to the normal mode (OFF)
position, and the
microprocessor is in out of the service mode.
2. Factory Presetting.
1
.Short JA 137 & JA 138 then turn "ON" the main power and release to switch to the Service Mode
position.Initial values are automatically preset, only when a new EEPROM is used (Judge with the first
4 bytes ).
2
. The initial data are preset as listed
in page 8, 9, & 10.
3
.
Make sure the data need modify or not (Initial data).
Note:
Once the chassis has been assembly together and ready to be POWER ON for the FIRST TIME,
make sure to short JA137 & JA138 to switch to the service mode position first and then turn on the
main power switch (See
2-(1) above).
Precaution: If haven't done this initiation, it may possibly generate excessive Beam current.
3. For reference please check with memory map
(GA-1AM Series type RH-IX3368CE Attachment)
SERVICE MODE
(1)
In the Service Mode, Key is used to select the mode in the following order.
AGC &
GEOMETRIC
MODE
AGC TAKE OVER POINT (AGC)
VERTICAL SLOPE (V-LIN)
VERTICAL AMP (V-AMP)
VERTICAL SHIFT (V-CENT)
HORIZONTAL SHIFT (H-CENT)
EAST-WEST WIDTH (H-SIZE)
HORIZONTAL PARALLELOGRAM (EW//)
EAST-WEST PARABOLA/WIDTH (PARA)
EAST-WEST UPPER COR. PB (LOR(U))
EAST-WEST LOWER COR. PB (COR(L))
EAST-WEST TRAPEZIUM (TRAPE)
HORIZONTAL BOW (HB)
S-CORRECTION (S-COR)
WHITE POINT
ADJ.
MODE
W.P RED STD. W.T. (DRI-RS)
W.P. GREEN STD. W.T.(DRI-GS)
W.P.BLUE STD. W.P. (DRI-BS)
W.P. RED WARM W.P.(DRI-RC)
W.P. GREEN WARM W.P.(DRI-GC)
W.P. BLUE WARM W.P.(DRI-BC)
W.P. RED COOL W.P.(DRI-RW)
W.P. GREEN COOL W.P.(DRI-GW)
W.P. BLUE COOL W.P. (DRI-BW)
SUB
ADJ.
MODE
MAX VOLUME (SUB-VOL)
SUB CONTRAST (SUB-CON)
SUB COLOUR (SUB-COL)
SUB BRIGHTNESS (SUB-BRI)
SUB TINT (SUB-TINT)
SUB SHARPNESS (SUB-SHP)
MAX HOTEL VOLUME (HTL-VOL)
HOTEL PROGRAM NO(HTL-PRG)
OSD GRB REFERENCE (RGB)
BLACK LEVEL OFFSET R(CUT-R)
BLACK LEVEL OFFSET B(CUT-B)
CATHODE DRIVE LEVEL(CDL)
FORWARD : CH DOWN KEY
REVERSE
: CH UP
KEY
* (
)
means OSD display.
FORWARD : CH DOWN KEY
REVERSE
: CH UP
KEY
AGC &
GEOMETRIC
MODE
WHITE POINT
ADJ.
MODE
SUB
ADJ.
MODE
Y-DELAY
ADJ.
MODE
MISC.
OPTION
MODE
IC
OPTION
MODE
OFFSET
ADJ.
MODE
Sample
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