Chapter 7. Circuit Description - Sharp UP-3301 Service Manual
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Also See for UP-3301:
- Instruction manual (251 pages) ,
- Programming manual (40 pages) ,
- Installation manual (2 pages)
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CHAPTER 7. CIRCUIT DESCRIPTION
1. Hardware block diagram
Drawer x 2
DRIVER
DRIVER
MCR
Customer display
RS232 x 2
DRIVER/
RECEIVER
PRINTER (UP-T80BP)
UPE10IN
TCP/IP
Compatible
VRAM
TOUCH
(DRAM 512K)
CONTROLLER
LCD
640 x 480 dots
CPU
H8/510
MPCA8
x 2
OPC2
VGA
CONTROLLER
MN89303A
CONTRAST
ADJUSTMENT
UP-3301US CIRCUIT DESCRIPTION
FLASH
RAM
(NOR)
4MB
SRAM
2MB
CKDC9
BRIGHTNESS
CONTROL
INVERTER
– 34 –
EXT.SLOT
(80pin x 2)
RAMCN
(72pin)
Clerk SW
+12V
+24V
POWER SUPPLY
VCC
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