CONTENTS
SAFETY PRECAUTIONS ........................................... 3
GENERAL GUIDE LINES ...................................... 3
TOUCH – CURRENT CHECK ............................... 3
PREVENTION OF ELECTROSTATIC DISCHARGE
(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)
DEVICES .................................................................... 4
ABOUT LEAD FREE SOLDER (PBF) ......................... 5
SERVICE NAVIGATION ............................................. 6
SERVICE HINTS ........................................................ 7
APPLICABLE SIGNALS .............................................. 8
SPECIFICATIONS ...................................................... 9
TECHNICAL DESCRIPTION ................................ ….11
MODEL AND KEYS ............................................ 11
SETTING INSPECTION ............................................ 12
SERVICE MODE FUNCTION ................................... 13
SERVICE ................................................................ 14
HOTEL MODE .......................................................... 15
SELF CHECK ........................................................... 16
POWER LED BLINKING TIMING CHART ................ 17
LCD PANEL TEST MODE ........................................ 17
ADJUSTMENT METHOD ......................................... 18
WIRING DIAGRAM ................................................... 19
BLOCK DIAGRAM (1 OF 2) ...................................... 20
PARTS LOCATION ................................................... 22
LOCATION OF LEAD WIRING ................................. 24
REPLACEMENT PARTS LIST NOTE ....................... 25
REPLACEMENT PARTS LIST .................................. 26
SCHEMATIC DIAGRAMS NOTE .............................. 45
A-BOARD (1 OF 8) SCHEMATIC DIAGRAM ............ 46
P-BOARD (1 OF 2) SCHEMATIC DIAGRAM ............ 54
LD-BOARD SCHEMATIC DIAGRAM ........................ 56
K-BOARD SCHEMATIC DIAGRAM .......................... 57
GK-BOARD SCHEMATIC DIAGRAM ....................... 58
CONDUCTOR VIEWS .............................................. 59
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