BUFFALO FTD-G931AS/BK
15
6. Circuit Diagram
BLOCK DIAGRAM
MCU
Scalar TSU16AK
(Include ADC, OSD)
EEPROM
M24C16
D-Sub
Connector
EEPROM
M24C02
H sync
V sync
RGB
RXD
TXD
DB15_SDA
DB15_SCL
EPR_SDA
EPR_SCL
Main Board
EMI filter
Bridge
Rectifier
and Filter
Start Circuit
R906
、
R907
PWM
Control IC
Transformer
Over
Voltage
Protect
MOSFET
Q903
Rectifier
CMOS
Voltage
Feedback
Circuit
AC input
12V
ON/OFF
Control
PWM
Control IC
Feedback
Circuit
OSC and
Output
Circuit
DC Convert
Circuit
MOSFET
Q203/Q204
Over
Voltage
Lamp
ON/OFF
BL ADJ
CN902
PWPC Board
DC TO DC
IC101/Q101
5V