Light Output Sensor R763294; View Of The Light Output Sensor; Technical Info - Barco SLM R12 Plus Service Manual

25. LIGHT OUTPUT SENSOR R763294

25.1 View of the Light Output Sensor

Location of the module
Upper side
Image 25-1
Location of the module

25.2 Technical Info

Block diagram Light Sensor
Image 25-2
Block diagram Light Sensor
Short description
The intensity of light is measured with the help of sensor I3, which is a programmable Light-to-Frequency converter.
The output frequency of the light-to-frequency converter is directly proportional to the intensity of light falling on the sensor.
R5976820 SLM R12+ PERFORMER 08/03/2005
Light Sensor
Light Sensor R763294
Progr. Light-to-Frequency converter
I3
Light
Current-to-
Photodiode frequency
converter
EEPROM
SENS
I2
S0
A0
S1
A1
S2 A2
WP
S3
FREQ.
25. Light Output Sensor R763294
Microcontroller
I 1
TXD/P1.0
RXD/P1.1
T1/P0.7
SCL/TO/P1.2
SDA/INTO/P1.3
CM2/P0.0
CIN2A/P0.2
CM1/P0.6
X1
1 ++5V
2 SDA_STBY
3 SCL_STBY
Light Sense
J1
4 GND
Under side
J1
173