37GQ-20H
SERVICE ADJUSTMENT
"SERVICE MODE FUNCTION
This mode funtion is provided to assist with the settings of those adjustments that may vary from one
Picture Tube to another, or between models.
In order to use the Service Mode
1. Press main switch to OFF.
2. Connect Test Pattern signal to antenna terminal.
3. Press ( , CH ( and main switch to ON simultaneosly or
press ' , CH ' and main switch to ON simultaneosly.
4. -SERVICE- will appear on screen. Service mode is now entered.
5. Select adjustment using buttons ' CH '.
To exit Service Mode, press main switch to OFF or press MENU button on R/C.
DisplayedHexadecimal /
Function
on screenDecim. Range
SERVICEIndicates operative Service Mode.
a.NVMAccess to NVM memory
b.AGC GAIN00 < 03HAuto Gain Control
c.AGC STR00 < 63HAuto Gain Starting Point
Line PLL time constant
d.PLLS, L, VL, N
Colour system.
e.PAL4-43, 3-58,
SECAM, NTSC
4-43,NTSC 3-58,
AUTO PNS,
AUTO PN
Field Frequency
f.AUTOAUTO, 50HZ,
60HZ
Blue Gain
g.B-GAIN0 < 63d
Green Gain
h.G-GAIN0 < 63d
Green Cut
i.G-DC0 < 63d
j.R-GAIN0 < 63dRed Gain
k.R-DC0 < 63dRed Cut
Horizontal Position shift
l.HOR POS0 < 63d
Vertical Position shift
m.VERT POS0 < 63d
Vertical Amplitude shift
n.VERT AM0 < 15d
6. For ? a ? Selection:
NVM storage location settings variants.
BANK POSVALUE
XXXH XXH Assigned value
Storage location
Memory Bank
In order to have access to NVM ?MENU? button should be pressed. To obtain a higher or lower Memory
Bank, buttons ( ' should be pressed respectively. To have access to the desired Storage Location,
buttons ( CH ' should be pressed, as required to obtain a higher or lower location, respectively.
4 |
ACEC
