Sanyo AVL-263, Руководство по обслуживанию

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4
Table1 sub-menu adjustment
Items Preset Introduce
HOTEL 0 1: HOTEL OPTION of factory menu is optional
0: HOTEL OPTION of factory menu is not optional
LOGO 1 1: display LOGO in no signal or turn on
0: no LOGO display
ADC PRESCALE 00A adjust according the power consumption
SIF PRESCALE 001 adjust according the power consumption
BACK LIGHT 100 Adjust according the screen
ALL COLOR 1 1: white balance of each channel auto offset based on the HDMI white
balance
0: white balance of each channel adjust the offset base separately
NO STANDY 11 01: turn on 00: memory function of turn on 10: standby
INIT VOLUME 0-100 Volume when turn on
INIT CHANNEL 1-200 Channel when turn on
INIT SRC Program source Input Source when turn on
EEPROM-MEMORAY
RECALL
> EEPROM Initialization (operate when EEPROM data chaos)
3.2 Adjustment for AFT and AGC of IF channel in TV
3.2.1 IF AFT adjustment
Turn on the TV then enter the factory menu, set IF VCO to 1, disconnect J601, adjust L610 to value
2.5V of TP603 (A face), then solder J601.
3.2.2 IF AGC adjustment
Input 172.25MHz RF signal of 60dB to RF terminal, adjust RP601 to value 3.3V of TP601 (A face)
and there should be no obvious snowy picture. Increase the TV signal to 90dBV and it should be no
obvious noisy.
3.3 White balance adjustment
3.3.1 HDMI white balance adjustment
a. Input VG-848 signal to HDMI: TIMING854(800*600/60Hz) 8 level gray scale of PAT920,
adjust the balance with CA210.
b. Enter COLOR TEMP sub menu and select color temperature of standard (1000K), the value
of coordinate is commend.
c. Fixed B OFF, adjust R OFF, G OFF to let the color coordinate of the second level be
(280,290) (CPT panel) and the brightness be 2-10nit or so; Fixed B GAIN, adjust R GAIN, G GAIN
to let the color coordinate of the seventh level be (280,290) (CPT panel). Repeat adjust R OFF, G
OFF, R GAIN and G GAIN, until the color coordinate of the two level gray scale be (280,290) (CPT
panel).
3.3.2 VGA/YPbPr/ AV white balance check and correct
a. Connect VG-848 signal of VGA to VGA terminal and input TIMING854(800*600/60HZ)
PATTERN921(16 gray levels), enter ADC ADJ sub menu, select AUTOTUNE and wait for OK
display. Input PAT920(8 gray levels), check if the white balance is normal, if not, set ALL COLOR to
0 and fine adjust according the method of 3.2.2.
b. connect VG-848 YPbPr signal to YPbPr terminal and input TIMING972(1080I/60Hz) PAT908