Sharp PN-L803C Service Manual page 186

1-4. Main PWB
Item
Max. Resolution
Max. Colors
Computer Input Signal
Sync Signal
Video color System
Plug and play
Power management
Input PC
Terminals
AV
Output PC/AV
Terminals
Speaker
PC ON
USB Terminal
LAN Terminal
Internal Speaker
1-5. DBE PWB
Main component parts and functions
IC No. Parts name
IC201 LR388K0
IC301 LPC1347FHN33
IC401 LR388K8
IC403 FA-238(48MHz)
X301 FA-238V(12MHz)
IC804 EN25Q40-100G
IC101 MP1495DJ-LF-Z
IC102 MP1495DJ-LF-Z
IC103 MM3479A18P
1920 x 1080
10bits / Color
Analog : RGB (0.7Vp-p)[75Ω]
Digital : Display Port 1.1a
Mini D-Sub 15pin
Horizontal / Vertical separate, Composite sync
Sync on Green
PAL,PAL-60,SECAM, NTSC(3.58MHz),NTSC(4.43MHZ)
VESA DDC2B
VESA DPMS,
DVI DMPM
Digital Display Port x1
Analog Mini D-Sub 15pin x2
Audio 3.5 mm mini stereo jack x2
Digital HDMI x3
Composite video
Mini D-Sub 15pin (common with PC analog[CN200 only])
Component
Mini D-Sub 15pin (common with PC analog[CN200 only])
Video
Digital Display Port x1
Audio 3.5 mm mini stereo jack x1
10W+10W (6Ω)
Modular connector x 1(for Option PC)
USB-B x2
USB-A (for Zigbee dongle)
USB-A (for Service)
10 BASE-T / 100 BASE-TX
10W+10W (4Ω)
Analog front-end IC
Microcomputer
Digital back-end IC Communicate analog front-end IC and control the recognition of the
Quartz crystal For the digital back-end IC
Quartz crystal For the microcomputer。
4Mbits serial flash memory Save the firmware and the parameters of digital back-end IC.
DCDC Generate 1.2V core voltage for the digital back-end IC.
DCDC Generate 3.3V power for the analog front-end IC, the digital back-end IC and
microcomputer.
LDO Generate 1.8V power for the analog front-end IC and the digital back-end IC.
PN-L803C/80TC3 HARDWARE DESCRIPTIONS 8 - 2
PN-803C/80TC3
Function
Drive/ Sense the touch sensors
Communicate the digital back-end IC, control the eraser and
communicate the Main PWB.
touching.