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6. Circuit Diagram
6.1 BLOCK DIAGRAM
MCU
EPR_SDA
EPR_SCL
EEPROM
M24C16
AC input
EMI filter
Lamp
Bridge
Rectifier
and Filter
Start Circuit
R906、R907
PWM
Control IC
OSC and
DC Convert
Output
Circuit
Circuit
Over
Feedback
Voltage
Circuit
Scalar
TSU16AK-LFT
(Include ADC, OSD)
RXD
H sync
RGB
TXD
V sync
DB15_SDA
D-Sub
DB15_SCL
Connector
Main Board
Transformer
MOSFET
Q903
Voltage
Feedback
Circuit
MOSFET
Q203/Q204
PWM
Control IC
PWPC Board
12
BUFFALO Service Manual
EEPROM
M24C02
Rectifier
CMOS
Over
Voltage
Protect
ON/OFF
ON/OFF
Control
BL ADJ
CN102
5V
12V
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