NAD M55 - MPEG & MEMORY Block Diagram

U13
ESS 6168
U14
4.MPEG & MEMORY Block Diagram
U10
(MPEG)
Y3
27MHz
FRONT MICOM
interface
(FRONT BOARD)
U6
FLASH MEMORY
(16M)
EEPROM
SCL, SDA
U16
(74HCT374)
voltage level shitft
U17
(74HCT374)
voltage level shift
RST-2300 MC MMUTE RST-9030
DAC CS RGB AV/TV LED POWER STANDBY VFD CS
VFD CLK
VFD DATA
SDRAM
64M
DQM0,DQM1
DQ[0:15]
DCLK,WE,CAS,RAS
CS,DCKE,MA[0:11]
A[0:19]
PWR,PCE,PRD
AD[0:7]
TWS TSD[0:3]
SPDIF YUV[0:7]
CEC TRIG O/F
+12V O/F
VIDEO Interface
TXD,RXD
U20
RS232
3-26