Panasonic PT-53WX53G Service Manual

Also see for PT-47WX33G: Service manual Service manual Service manual

Contents

Panasonic PT-53WX53G Service Manual Manual pdf 66 page image

high voltage distributor on FBT.DVM and power supply connection5. Connect the 15 ~ 25 V DC variable power supply positive lead to D34or IC802 pin 2 (D Board) and negative lead to heat sink of Q551 or D825Procedures:1. Apply a NTSC white pattern.2. Turn PTV ON.3. Adjust the picture or brightness controls so that the DVM reads 12.4 ±0.4 volts.4. Increase the variable power supply until set turns off. The set shouldturn off at 12.4 ± 0.4 volts (DVM) and high voltage less than 36.4kV.5. If the DVM reading is other than 12.4 ± 0.4 volts, readjust picture orbrightness control and repeat steps 3.6. Turn off the variable supply and confirm that the set will turn on withthe remote control.4. Service notesNOTEThese components are affixed with glue. Be careful not to break or damage any foil under thecomponent or at the pins of the ICs when removing. Usually applying heat to the component for ashort time while twisting with tweezers will break the component loose.Leadless chip component (surface mount)Chip components must be replaced with identical chips due to critical foil track spacing. There are no6www.freeservicemanuals.infoIt`s freeAll over the world