Wednesday, June 20, 2012

HOW TO ENTER SERVICE MODE TO CHINESE CTV KIT USING LA-76931 IC




TO ENTER SERVICE MODE
  • Press "Menu" button on the remote control.
  • Press "Recall" button three times sequentially to enter "Factory Menu".
  • Press [P+ / P-] buttons on the remote control to select an item to adjust.
  • Press [V+ / V-] buttons on the remote control to adjust the data value to selected item.
  • Press "Recall" button again, to EXIT from service menu.
FACTORY MENU [00]

H-PHASE => 11
OSD-H-POSITION => 25
V-SIZE => 82 [May vary set to set]
V-POSITION => 1
V-LENEARITY => 22
V-SC => 4
V-KILL => 0
SUB-BRIGHT => 85
RF-AGC AUTO => 25

FACTORY MENU [01]

H-BLK-L => 1
H-BLK-R => 2
TUNER 0-3 =>0
VOL LENEAR MEASURE => 1
B-Y DC LEVEL => 11
R-Y DC LEVEL => 10
B-Y DC LEVEL -YUV => 6
R-Y DC LEVEL -YUV => 6

FACTORY MENU [02]

RED-BIAS => 117
GREEN-BIAS => 134
BLUE-BIAS => 153
RED-DRIVE => 99
GREEN-DRIVE => 10
BLUE-DRIVE => 92

OPTION MENU [00]

BLACK COVER OPTION => 0
Q-ASM OPTION => 0
OPT-AV-SYSTEM => 0
Y-IN => 1
OPT YUV => 0
LANGUAGE SW CE => 1
ENG 0: CH1 => 0
ONLY ENG AND TAI => 0

OPTION MENU [01]

LV 1116 OPT => 0
AUDIO SW => 1
SIF 6.5M => 1
SIF 5.5M => 1
SIF 4.4M => 1
SIF 6.0M => 1

Adjustment and troubleshooting on next post: