Control Circuit For The Exposure Lamp - Toshiba e-studio3511, e-studio4511 Manual

6.4.3 Control circuit for the exposure lamp

SLG board
LMPEN
LMPON
5VSWON
IC16
WDTOUT
Scanner CPU
6
Working conditions
LAMP ON
5VSW ON
WDTOUT
LMPEN
Xenon lamp ON
e-STUDIO3511/4511 SCANNER
B
L - - - Exposure lamp ON signal
L H - - 5V SW ON signal
H - L - Watchdog timer signal
L - - H Exposure lamp enable signal Normally "L"
OFF
+5VSW
+24V
RN2401
RN1401
Fig. 6-404
Lamp turns ON at "L"
Controls 5VSW by CPU. Normally "L"
"L" is output when CPU is out of control
6 - 10
LAMP
LAMP LP-EXPO-350
Xenon lamp
INV-EXPO-350
November 2003 © TOSHIBA TEC