SERVICE MANUAL (BSV-4251 BSV-4251A )
MODEL NAME
DOCUMENT NO
REVISION NO
REVISION DATE
PAGE
CONTENTS
SPECIFICATION ..………………………………………………. 4
CONTROL DESCRIPTIONS …………………………………... 7
OPTIONS EXTRAS ..……………………..…………………… 9
REMOTE CONTROL BUTTONS ………..……………………. 10
DISPLAY CELL DEFECT SPECIFICATION …………………. 12
BLOCK &
WIRING DIAGRAM …………………………………14
MODULE FUNCTION & DEFINITION ……………………….. 16
MODULE BASIC CONFIGURATION …………………….……17
VSC BOARD PIN CONFIGURATION …………….………….. 18
OSD MENU (FACTORY)……………………………………….. 21
DESCRIPTION OF VSC FUNCTIONS ……………………….. 32
CIRCUIT OPERATION & WAVEFORM……………………….. 34
MODULE SUPPLY VOLTAGE SEQUENCE …………………. 41
VSC & PSU POWER SEQUENCE ……………………….….... 42
VOLTAGE & W/B ADJUSTMENT……………………………… 44
SAFETY PRECAUTIONS …………………………………………49
BSV-4251/4251A RD(1)
00
03/10/23
2/75
