Read Sharp 37VT-26H Service Manual online
9
37VT-26H(GY)
ADJUSTMENT OF THE TV ELECTRICAL CIRCUITRY
ADJUSTMENT PRECAUTIONS
1. Calling the service mode
Get the service test points (TP2002 and TP2003) of the set short-circuited.
2. Getting out of the service mode
Get the above service test points open.
3. On-screen display in the service mode
A service mode item and its data appear in two lines
at the lower left on the screen.
at the lower left on the screen.
Service mode
Item
Display
Data
Variable range
DIRECT MODE
→
Adjustable in the DIRECT MODE
V-AMPLITUDE
V-AMP
0 ~ 127
R CUT OFF
(0 ~ 255)
V-LINEARITY
V-LIN
0 ~
31
G CUT OFF
(0 ~ 255)
V-OUT PHASE
V-POS
0 ~
7
B CUT OFF
(0 ~ 255)
H-POSITION
H-POS
0 ~
31
G DRIVE GAIN (0 ~ 255)
BELL FILTER
BELL
0 ~
3
B DRIVE GAIN (0 ~ 255)
R-Y BLACK OFFSET
R-Y
0 ~
15
B-Y BLACK OFFSET
B-Y
0 ~
15
Y-SUB CONTRAST
CONT
0 ~
31
SUB COLOUR
COLOR
0 ~ 240
SUB BRIGHT
BRI
0 ~ 150
SUB TINT
TINT
0 ~
37
Top line : Service mode item (See below)
Micon version display
Bottom line : Data (See below)
Note :
Item selectable by the CH
'"
keys and data by the VOL
'"
keys (effective on both the
remote controller and the set)
The numeric keys on the remote controller work as follows in the DIRECT mode only.
UP
DOWN
R CUT OFF
1
4
G CUT OFF
2
5
B CUT OFF
3
6
G DRIVE GAIN
7
õ
Õ
B DRIVE GAIN
8
0
Notes :
In all the other modes, these keys are used to select channels.
In the DIRECT TUNING mode, these keys are used to enter data.
In the DIRECT TUNING mode, these keys are used to enter data.
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