Huvitz HRK-9000A, Service Manual

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---------------------------------------------------------------------------------------------- Auto Ref/Keratometer HRK-9000A 21
3-3-3. Layout diagrams for PCB
3-3-3-1.Picture of Main Board
3-3-3-2.Description of component of Main Board
ID Ref No. Part name Description
1 U19 AM1808BZWT4 TI ARM MCU
2 U17 A3P1000-FG484 Actel FPGA (Logic Array)
3 U25 ADV7180BSTZ Video Decoder
4 U45 MDIN-241 SD to Full-HD Up-converter
5 U18 39VF6401 NAND Flash Memory
6 U30 K4T51163QJ SDRAM
7,8,9 U8, 9, 10
S6R4008V1A,
S6R8016W1A
SRAM
10,11 U28, 29 DS92LV1212A LVDS Deserializer
12,13,14 U7,U12,U38 AL422B FIFO Field Memory
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