Panasonic TX-42A400B Service Manual

Also see for Viera TX-42A400B: Operating instructions

CONTENTSSAFETY PRECAUTIONS ........................................... 3GENERAL GUIDE LINES...................................... 3TOUCH – CURRENT CHECK............................... 3PREVENTION OF ELECTROSTATIC DISCHARGE(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)DEVICES .................................................................... 4ABOUT LEAD FREE SOLDER (PBF) ......................... 5SERVICE NAVIGATION ............................................. 6SERVICE HINTS ........................................................ 7APPLICABLE SIGNALS.............................................. 8SPECIFICATIONS ...................................................... 9TECHNICAL DESCRIPTION ................................ ….11MODEL AND KEYS ............................................ 11SETTING INSPECTION............................................ 12SERVICE MODE FUNCTION ................................... 13SERVICE ................................................................ 14HOTEL MODE .......................................................... 15SELF CHECK ........................................................... 16POWER LED BLINKING TIMING CHART ................ 17LCD PANEL TEST MODE ........................................ 17ADJUSTMENT METHOD ......................................... 18WIRING DIAGRAM ................................................... 19BLOCK DIAGRAM (1 OF 2) ...................................... 20PARTS LOCATION ................................................... 22LOCATION OF LEAD WIRING ................................. 24REPLACEMENT PARTS LIST NOTE ....................... 25REPLACEMENT PARTS LIST .................................. 26SCHEMATIC DIAGRAMS NOTE .............................. 45A-BOARD (1 OF 8) SCHEMATIC DIAGRAM............ 46P-BOARD (1 OF 2) SCHEMATIC DIAGRAM............ 54LD-BOARD SCHEMATIC DIAGRAM ........................ 56K-BOARD SCHEMATIC DIAGRAM .......................... 57GK-BOARD SCHEMATIC DIAGRAM ....................... 58CONDUCTOR VIEWS .............................................. 592