37GT-28FP
SERVICE ADJUSTMENT
Service Mode Function
All required adjustments for servicing this TV set, may be done in ?Service Mode?, excepting G2 and FOCUS.
How to access the Service Mode
1. Turn the receiver on and ensure that it is tuned into a test pattern.
CH
2. Turn the receiver off using the mains switch.
3. Press the volume down and channel up buttons together. See Fig. 1.
3
4
4. Continue pressing the volume down and channel up buttons while turning
the mains on using the mains switch. See Fig. 1.
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.
DisplayedHexadecimal /
Function
on screenDecim. Range
-SERV-00< 3FIndicates operative Service Mode
a.AGC02< FEAuto Gain Control
b.AFT F00< 0FAuto Frecquency Control Fine PAL B/G
}
c.AFT C02< FEAuto Frecquency Control Coarse SECAM B/G, L
d.AFT FL00< 0FAuto Frecquency Control Fine L?
}
e.AFT CL00< FFAuto Frecquency Control Coarse L?
f.H-SHFT00< 3FHorizontal Shift
g.V-SHFT00< 0FVertical Shift
h.V-AMPL00< 3FVerical Amplitud
i.GAIN R00< 3FRed Gain
j.GAIN G00< 3FGreen Gain
k.GAIN B00< 3FBlue Gain
l.CUT R00< 3FRed Cut Off
m.CUT G00< 3FGreen Cut Off
n.NVM00< FFNVM Data Change
On Screen
XXXX
Display
(Blue)
POS (Green)
XX
VALUE (Red)XX
5 |
ACEC
SHARP
