Hitachi CG2026S, Service Manual

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19
MANUAL ADJUSTMENT PROCEDURE
In order to enter service menu, first enter the main menu and then press the digits 4, 7, 2 and 5 respectively.
To select adjust parameters, use
$
or
'
buttons. To change the selected parameter, use + or - buttons.
Selected parameter will be highlighted.
Entire service menu parameters are listed below. For some of parameters the default values are
given on the same table.
REGISTER PARAMETER NOTE (NUMBERS ARE DEFAULT VALUES FOR CONCERNED PARAMETER)
OSD OSD Horizontal Position ADJUST HORIZONTAL POSITION FOR OSD
IF1 IF Coarse Adjust 5
IF2 IF Fine Adjust 63
IF3 IF Coarse Adjust for L-Prime 5
IF4 IF Fine Adjust for L-Prime 63
AGC Automatic Gain Control 63
VLIN Vertical Linearity ADJUST VERTICAL LINEARITY
VS1A Vertical Size for 50 Hz / 4:3 ADJUST VERTICAL SIZE FOR 4:3 MODE (50 HZ)
VS1B Vertical Size for 50 Hz / 16:9 ADJUST VERTICAL SIZE FOR 16:9 MODE (50 HZ)
VP1 Vertical Position for 50 Hz ADJUST VERTICAL POSITION (50 HZ)
HP1 Horizontal Position for 50 Hz ADJUST HORIZONTAL POSITION (50 HZ)
VS2A Vertical Size for 60 Hz / 4:3 ADJUST VERTICAL SIZE FOR 4:3 MODE (60 HZ)
VS2B Vertical Size for 60 Hz / 16:9 ADJUST VERTICAL SIZE FOR 16:9 MODE (60 HZ)
VP2 Vertical Position for 60 Hz ADJUST VERTICAL POSITION (60 HZ)
HP2 Horizontal Position for 60 Hz ADJUST HORIZONTAL POSITION (60 HZ)
RGBH RGB Horizontal Shift Offset CVBS – RGB HORIZONTAL POSITION COMPENSATION
WR White Point Adjust for RED 40
WG White Point Adjust for GREEN 40
WB White Point Adjust for BLUE 40
BR Bias for RED 31
BG Bias for GREEN 31
APR APR Threshold 10
FMP1 FM Prescaler when AVL is OFF 9 (STEREO ONLY)
NIP1 NICAM Prescaler when AVL is OFF 20 (STEREO ONLY)
SCP1 SCART Prescaler when AVL is OFF 14 (STEREO ONLY)
FMP2 FM Prescaler when AVL is ON 18 (STEREO ONLY)
NIP2 NICAM Prescaler when AVL is ON 39 (STEREO ONLY)
SCP2 SCART Prescaler when AVL is ON 14 (STEREO ONLY)
F1H High Byte of crossover frequency for VHF1-VHF3 MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
F1L Low Byte of crossover frequency for VHF1-VHF3 MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
F2H High Byte of crossover frequency for VHF3-UHF MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
F2L Low Byte of crossover frequency for VHF3-UHF MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
BS1 Band Switch Byte for VHF1 Meaningful for only MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
BS2 Band Switch Byte for VHF3 Meaningful for only MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
BS3 Band Switch Byte for UHF Meaningful for only MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
CB Control Byte Meaningful for only PLL Tuner MEANINGFUL FOR ONLY PLL TUNER (see tuner setting table)
OP1 Option 1 (see the Option List) PERIPHERAL OPTIONS (see option table)
OP2 Option 2 (see the Option List) RECEPTION STANDART OPTIONS (see option table)
OP3 Option 3 (see the Option List) VIDEO OPTIONS (see option table)
OP4 Option 4 (see the Option List) TV FEATURE OPTIONS (see option table)
OP5 Option 5 (see the Option List) CHANNEL TABLE OPTIONS (see option table)
TX1 Teletext Option 1 (see the Option List) TELETEXT OPTIONS (see option table)