Toshiba 3511, 4511 manual Control circuit for the exposure lamp

6

6.4.3 Control circuit for the exposure lamp

SLG board

		+5VSW		+24V
	LMPEN
	LMPON	B
IC16	5VSWON	RN2401
	WDTOUT		RN1401
Scanner CPU
			Fig. 6-404

LAMP

LAMP LP-EXPO-350

Xenon lamp

INV-EXPO-350

Working conditions

LAMP ON	L	-	-	-	Exposure lamp ON signal	Lamp turns ON at “L”
5VSW ON	L	H	-	-	5V SW ON signal	Controls 5VSW by CPU. Normally “L”
WDTOUT	H	-	L	-	Watchdog timer signal	“L” is output when CPU is out of control
LMPEN	L	-	-	H	Exposure lamp enable signal	Normally “L”
Xenon lamp	ON		OFF

e-STUDIO3511/4511 SCANNER 6 - 10 November 2003 © TOSHIBA TEC