5
37GT-27S
Indicates operative Service Mode
Auto Gain Control
Auto Frecquency Control Fine
Auto Frecquency Control Coarse
Auto Frecquency Control Fine Not available in
Auto Frecquency Control Coarse this model
Horizontal Shift
Vertical Shift
Verical Amplitud
Red Gain
Green Gain
Blue Gain
Red Cut Off
Green Cut Off
NVM Data Change
SERVICE ADJUSTMENTS
Service Mode Function
XXXX
XX
XX
POS (Green)
VALUE (Red)
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
k.
l.
m.
n.
-SERV-
AGC
AFT F
AFT C
AFT FL
AFT CL
H-SHFT
V-SHFT
V-AMPL
GAIN R
GAIN G
GAIN B
CUT R
CUT G
NVM
Displayed
on screen
Hexadecimal /
Decim. Range
Function
00
∼
3F
02
∼
FE
00
∼
0F
02
∼
FE
00
∼
0F
00
∼
FF
00
∼
3F
00
∼
0F
00
∼
3F
00
∼
3F
00
∼
3F
00
∼
3F
00
∼
3F
00
∼
3F
00
∼
FF
1. Turn the receiver on and ensure that it is tuned into a test pattern.
2. Turn the receiver off using the mains switch.
3. Press the volume down and channel up buttons together. See Figure 1.
4. Continue pressing the volume down and channel up buttons while turning
the mains on using the mains switch. See Fig. 1.
5. Keep pressing the volume down and channel up buttons until the picture appears.
6. Release the two buttons and the receiver is now in the Service Mode.
To move between the various service mode functions, use the channel up and down buttons.
Use the volume buttons to change the data to the desired value.
The data will be stored automatically when exiting the Service Mode.
To exit the service mode, press the stand-by button on the remote control or turn the receiver off
with the mains switch.
On Screen
Display
(Blue)
}
3
4
CH
All required adjustments for servicing this TV set, may be done in «Service Mode», excepting G2 and FOCUS.
How to access the Service Mode
Figure 1
