testnet1

LCD LED TV Protection Bypassing Methods. Screen Black (no display) failure usually encounter some display only one lamp or circuit protection. For easy troubleshooting , we need to remove (by pass) method for break protection. OZ9938 remove protection circuit: 1. pin 3 short to ground 2. pin 6 short to ground 3. pin 7 short to ground, remove the grounding resistance ,to remove protection. MP1038EY connecting wire pin 11 and pin 2 ,to remove protection. TL5001 short pin 5 to ground ,to remove protection. TL1451 short pin 15 to ground, to remove protection. TL5451 short pin 15 to ground, to remove protection. BA9741 short pin 15 to ground, to remove protection. BA9743 short pin 15 to ground, to remove protection. MB3775 short pin 15 to ground, to remove protection. AT1741 short pin 15 to ground, to remove protection. AT1380 short pin 2 to ground, to remove protection. KA7500 short pin 1 and pin 16 to ground, to remove protection. TL494 short pin 1 and pin 16 to ground. IF not work, shor...

                                        PANASONIC TV  BLINK CODES FOR REPAIR. The number of flashes is an error code. Count the number of flash. It looks like one of the boards in your set is failing intermittently. Panasonic codes for a guide as a starting point. Exact board STILL has to be verified; One Blink:   One blink of the power LED indicates a problem in the inverter circuit located on the LCD panel. The inverter board is not to be repaired in the field. Therefore a replacement is required. Three Blinks:   Three blinks of the power LED indicates an over-current or over-voltage condition in one of the DC supplies of the AP board. The AP board is repairable. Therefore the use of an ohmmeter and peak-hold-voltmeter is required to determine the cause of the shutdown. An over-voltage condition is definitely a defect of the AP board. An over-current condition may ...