Adjustment Precautions - Sharp SX68JF100 Service Manual

ADJUSTMENT PRECAUTION
The model is a mixture of the adjustment items of I
adjustment. Moreover, since the adjustment with I
which are set with the initial values (preset values) alone and the data variable items, refer to the
following.
1) Setting method to the microprocessor service mode
1 When the jumpers 351 and 352 of SET UP are short-circuited, enter into the service
2
mode (I C BUS CONTROL adjustment mode).
2 The modes can be sequentially selected with the CH DOWN key of R/C.
3 The modes can be sequentially selected in the reversed order of 2 with the CH UP key
of R/C.
4 The data can be converted with the VOLUME UP/DOWN key of R/C.
5 When the short circuit between the jumpers 351 and 352 of the setup is cut off, it will be
released from the service mode.
2) Initial value (preset value) setting
1 When the MAIN POWER switch set at the service mode side is turned on, the initial
value will be automatically set only on the new E
bytes).
2 The initial data is set as shown in the attached sheets.
3 Take care that there are the items which need be changed and the items in which the
initial values continue set.
2 C BUS-CONTROL and the existing analog
2
C BUS-CONTROL is composed of the items
2
PROM (discriminated with the head 4
3-1
SERVICE MODE
The service key selects the service mode. (Refer to the attached table.)
Select the item with CH UP/DOWN key, and change the data with VOL UP/DOWN key.
Moreover, in the service mode, the item can be directly selected by entering the following key.
Service item R/C-CODE
CUTOFF BKGD CONTRAST-UP
CUTOFF BKGD DVD CONTRAST-UP
V-AMP50 COLOUR-UP
V-LINE50 COLOUR-DOWN
V S-CORR50 BRIGHT-UP
V-CENT50 BRIGHT-DOWN
H-CENT50 TINT-UP
H-SIZE50 TINT-DOWN
E/W PAR CONTRAST-DOWN
E/W COR SPA-DOWN
TRAPE BALLANCE-UP
SCM BELL SHARPNESS-UP
SCM R-Y SHARPNESS-DOWN
SCM B-Y TREBLE-UP
SUB COL SPATIALIZER-UP
SUB COL DVD SPATIALIZER-UP
SUB TINT BASS-DOWN
SUB TINT DVD BASS-DOWN
SUB BRI BASS-UP
SUB BRI DVD BASS-UP
SUB CONT TREBLE-DOWN
SUB CONT DVD TREBLE-DOWN
SUB VOL BALLANCE-DOWN
V-AMP60 COLOUR-UP
V-LINE60 COLOUR-DOWN
V S-CORR60 BRIGHT-UP
V-CENT60 BRIGHT-DOWN
H-CENT60 TINT-UP
H-SIZE60 TINT-DOWN
PIP-HPOS TUNE-UP
PIP-SUB-TINT TUNE-DOWN
DUAL-PARA FINE-UP
MAIN-HCENT FINE-DOWN
Don't use mute key at CUT OFF/BKGD mode. Because BKGD data is initialized.
*1 To receive DVD, switch the key input.
*2 To receive the main 60Hz when inputting the key, switch it from 50Hz key.
• In the service mode, set the user data as shown below.
USER DATA
CONTRAST MAX(60/60)
COLOUR CENT(0)
BRIGHTNESS CENT(0)
TINT CENT(0)
SHARPNESS CENT(0)
S-VOLUME MIN(0)
WHITE TEMP CENT(0)
BLUE BACK OFF
C SYSTEM AUTO
S SYSTEM *3
PICTURE NR OFF
S-BOOSTER OFF
TREBLE CENT(0)
BASS CENT(0)
SPATIALIZER OFF
BALANCE CENT(0)
SAVE OFF
Remarks
*1
*1
*1
*1
*1
*2
*2
*2
*2
*2
*2
*2
* 3 Setting system of each CH
before switch to 1 service mode
3-2