Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | STP7 | DEFECTIVE IC603 AND FD701 | This unit would not tune or display the proper characters.We found the uPC and display to be defective. | ||
Sony | TAP7F | DEFECTIVE IC101/102 | This unit was locked in the tape position. | ||
Sony | KP7225 | DEAD, YOKE CONNECTOR LOOSE CAUSED OTHER PARTS TO FAIL | Initial problem - dead. Replaced IC301 and Q202 on a boardplus F602, 1.6A fuse on board. This restored sound and Hi voltage.CRT's were blanked out. Further examination disclosed Q601, regulatordriver, Q609, regulator, R609 150 ohm at 1/8W open which d | ||
Sony | KP7225 | POOR CONVERGENCE | Poor convergence with some controls such as tilt and key stonenear limit of their range. | ||
Sony | KP7220 | KEYSTONE, REPLACED D5313, D5312, Q5537 | Keystone effect on all three tubes. Pix normal at top butnarrow at bottom. | ||
Sony | KP7220 | PICTURE DISTORTION, REPLACED D5319 | Overscan. | ||
Sony | KP7220 | NO PICTURE, CONNECTOR DA-5 INTERMITTENT | Connector DA-5 gets loose and causes picture tubes to blankout, can also cause a line on green tube which burns to mark in tube. | ||
Sony | KP7220 | PICTURE DISTORTION | Set had about 8 inch overscan. Found set-up cord was18 inches too long. | ||
Sony | KP7220 | INSUFFICIENT VERT HEIGHT, REPLACED C5521 | Insufficient vertical height on all three CRTs: about 3inches short top and bottom of the screen. Found vertical sawtooth atbase of Q5510 (on DA board) reading 2.4Vpp, should have read 3Vpp. | ||
Sony | KP7220 | INSUFFICIENT WIDTH, REPLACED IC-2003 "K" BOARD | Unit suddenly had insufficient width to fill the screen.Voltage on 115V regulator on K board was about 10 volts low. | ||
Sony | KP7220 | INCORRECT BLUE CONVERGENCE, REPLACED D5320 | This unit had a blue convergence problem. The blue verticallines were wider than the red or green. | ||
Sony | KP7200 | INCORRECT TUNING OPERATION | TV would scan but would not stop on stations. |