Read Panasonic TX-L42WT50B / TX-L47WT50B / TX-L47WT50Y / TX-LR47WT50 Service Manual online
CONTENTS
SAFETY PRECAUTIONS ........................................... 6
GENERAL
GUIDE LINES...................................... 6
TOUCH – CURRENT CHECK............................... 6
PREVENTION OF ELECTROSTATIC DISCHARGE
(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)
DEVICES .................................................................... 7
ABOUT LEAD FREE SOLDER (PBF)......................... 8
SUGGESTED
PB
FREE SOLDER........................ 8
APPLICABLE SIGNALS.............................................. 9
SERVICE HINTS ...................................................... 10
CHASSIS BOARD LAYOUT ..................................... 11
LOCATION OF LEAD WIRING ................................. 11
TECHNICAL DESCRIPTION ................................….12
SPECIFICATION OF KEY FOR CI PLUS,
DTCP-IP, ONE-TO-ONE, WIDEVINE, NETFLIX. 12
GENERAL
INFORMATION ................................. 12
REPLACEMENT
OF ICS..................................... 12
MODEL
AND KEYS ............................................ 12
USB HDD RECORDING ..................................... 12
SETTING INSPECTION............................................ 13
SELF CHECK ........................................................... 14
POWER LED BLINKING TIMING CHART ................ 16
SERVICE MODE FUNCTION ................................... 17
SERVICE ................................................................ 18
SERVICE TOOL MODE............................................ 19
HOTEL MODE .......................................................... 20
DATA COPY BY SD CARD ...................................... 21
DATA COPY FROM TV SET TO SD CARD ............. 22
DATA COPY FROM SD CARD TO TV SET ............. 23
OPTION BYTES DESCRIPTION .............................. 24
ADJUSTMENT METHOD ......................................... 25
WIRING DIAGRAM ................................................... 26
BLOCK DIAGRAM (1 OF 2)...................................... 27
PARTS LOCATION................................................... 29
REPLACEMENT PARTS LIST.................................. 31
SCHEMATIC DIAGRAMS......................................... 41
A-BOARD (1 OF 20) SCHEMATIC DIAGRAM .... 42
LD-BOARD.......................................................... 62
K-BOARD,
LP-BOARD........................................ 63
CONDUCTOR VIEWS .............................................. 64
5
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