Panasonic TH-37PX50U Technical Manual

Also see for TH-42PX50U: Operating instructions Operating instructions Service manual Replacement procedure Operating instructions

Contents

Panasonic TH-37PX50U Technical Manual Manual pdf 4 page image

SU And SD Board Shift Registers .......................................................................... 35SS Board Explanation................................................................................................. 37SS Board Schematic .............................................................................................. 38SS Board Waveform .............................................................................................. 38TH-42/50PX500U .......................................................................................................... 40Power LED Flashing timing chart .............................................................................. 40SOS Detection Circuits ............................................................................................... 41SOS Detect (D Board)............................................................................................ 41SOS Detect (DG Board)......................................................................................... 41SOS Detect (D and PA Board) ............................................................................... 42PA Board SOS Detection Circuits.............................................................................. 43Over-Voltage Detection of Main Voltage (10 Blinks) .............................................. 43Short Circuit Detection of Main Voltage (10 Blinks)................................................ 44Short Circuit Detection of Sub-voltage (10 Blinks) ................................................. 45Other SOS Detection Circuits .................................................................................... 46SOS Detect (P, SC, and SS Board) ....................................................................... 46P Board SOS Detection ......................................................................................... 47Voltage Distribution of the PA board and SOS Detection ....................................... 48Z Board (Sound) SOS Detection ............................................................................... 50TH-42/50PX500U Self-check Function (Reset) .......................................................... 51Diagnostic Procedures ........................................................................................... 51How to access the Self-check Screen (Reset) ....................................................... 51How to exit the Self-check Screen ......................................................................... 51Screen Display ......................................................................................................... 51TH-42PD50U................................................................................................................. 53Power LED Flashing timing chart .............................................................................. 53TH-42/50PD50U Self-check Function......................................................................... 54Diagnostic Procedures ........................................................................................... 54How to access the Self-check Screen (Reset) ....................................................... 54How to exit the Self-check Screen ......................................................................... 54Screen Display ......................................................................................................... 54Serviceman Mode........................................................................................................ 56How to enter the Serviceman Mode ....................................................................... 56Adjustment method ................................................................................................ 56Cancellation ........................................................................................................... 56