Block Diagram - BenQ DLP PROJECTOR PE8700 Service Manual

Conntctor Board
RGB DVI
MUX
RGB PC
(U2,U3,U4)
RGB/YPbPr
BNC
YCbCr
MUX
YPbPr
S-video
Video
YCbCr
IR Board
RS232
RS232 RJ11
Download
(U14)
IR (TOP)
(U12)
12V Trigger O/P
(Q2,Q3)
IR (front) IR Board
Board
5. Black Diagram
Sil169
(U17)
ADC AD9883
(U7)
(U5)
Video Decoder
SAA7118
(U10)
IR
12V
IR
Main Board
Scaler
RM1-A
(U5)
De-interlace
SII504
Video Port
(U2)
SDRAM MCU503
(U3) (U4)
CPU RDC8820
(U10)
Translation Board
Keyboard
Fan
Protection
Driver Circuit
(U4)
(U1,U3)
Thermal
Fans
Sensor
DMD Board
HD2
Reset IC
(U18)
SDRAM
(U19,U20,
U21)
SRAM
(U9)
Frash
(U12)
RS232
Hardware
Monitor
(U14)
Thermal
Break
DMD
Color
Cheel
Blaster Lamp
400V
PFC
Board
3.3V
Power
5V
Board
12V
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