TVService ManualService ManualMarketE
CHAPTER 3. ADJUSTMENT PRECAUTIONS
[1] ADJUSTMENT PRECAUTIONS
This model's setting are adjusted in two different ways: through the I2C bus control and in the conventional analog manner. The
adjustments via the I2C 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.2.Factory Presetting.
i)Short JA 137 & JA 138 for 1second and release toi)Short JA 137 & JA 138, then tum on the main power
switch to the service mode position, and the micropro-and release to switch to the Service Mode position.Ini-
cessor is in input mode. (Adjustment through the I2Ctial values are automatically preset, only when a new
bus control).EEPROM is used (Judge with the first 4 bytes).
ii)Press the CH DOWN / UP key on the remote controllerii)The initial data are preset as listed in page 5.
to get ready to select the mode one by one.
iii)Make sure the data need modification or not (Initial
iii)Press the CH DOWN / UP key on the remote controllerdata).
to select the modes reversibly one by one.
Note:
iv)Using the VOLUME UP / DOWN key on the remote
Once the chassis has been assembly together and ready
controller, the data can be modified.to be POWER ON for the FIRST TIME, make sure to short
JA 137 & JA 138 to switch to the service mode position
v)Short JA 137 & JA 138 for 1 second and release to
first and then tum on the main power switch (See 2-i
switch to the normal mode position, and the micropro-
above).
cessor is in out of the service mode.
3.For reference please check with memory map (GA-1
Series type RH-iX3368CEN9)
1. SERVICE MODE
In the Service Mode, Key is used to select the mode in the following order
AGC &WHITE POINTSUB
GEOMETRICADJ.ADJ.
MODEMODEMODE
Y-DELAY
ADJ.
MODE
MISC.ICOFFSET
OPTIONOPTIONADJ.
MODEMODEMODE
FORWARD : CH DOWN KEY
REVERSE : CH UPKEY
AGC &WHITE POINTSUB
GEOMETRICADJ.ADJ.
MODEMODEMODE
???
AGC TAKE OVER POINT (AGC)W.P RED STD.W.T.(DRI-RS)MAX VOLUME (SUB-VOL)
?.??
VERTICAL SLOPE (V-LIN)W.P. GREEN STD.W.T.(DRI-GS)SUB CONTRAST (SUB-CON)
???
VERTICALAMP (V-AMP)W.P.BLUE STD.W.T. (DRI-BS)SUB COLOUR (SUB-COL)
???
VERTICAL SHIFT (V-CENT)W.P. RED COOL W.T.(DRI-RC)SUB BRIGHTNESS (SUB-BRI)
???
HORIZONTAL SHIFT (H-CENT)W.P. GREEN COOL W.T.(DRI-GC)SUB TINT (SUB-TINT)
???
EAST-WEST WIDTH (H-SIZE)W.P. BLUE COOL W.T.(DRI-BC)SUB SHARPNESS (SUB-SHP)
???
HORIZONTALPARALLELOGRAM (EW//)W.P. RED WARM W.T.(DRI-RW)MAX HOTELVOLUME (HTL-VOL)
???
EAST-WESTPARABOLA/WIDTH (PARA)W.P. GREEN WARM W.T.(DRI-GW)HOTELPROGRAM NO(HTL-PRG)
???
EAST-WESTUPPER COR.PB (COR(U))W.P. BLUE WARM W.T. (DRI-BW)OSD RGB REFERENCE (RGB)
??
EAST-WESTLOWER COR.PB (COR(L))BLACK LEVELOFFSET R(CUT-R)
??
EAST-WESTTRAPEZIUM (TRAPE)BLACK LEVELOFFSET G(CUT-G)
??
HORIZONTAL BOW (HB)CATHODE DRIVE LEVEL(CDL)
?
S-CORRECTION (S-COR)
FORWARD : CH DOWN KEY
REVERSE : CH UPKEY
* () means OSD display.
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ACEC
