Zenith ZDA311 Service Manual - Page 34
MPEG & MEMORY Block Diagram
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UPC - 044642701901
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4. MPEG & MEMORY Block Diagram 3-24 KARAOKE BOARD IC509 OP Amp IC508 A/D Con. (Karaoke) IC503 SDRAM 16M ACLK,ABCK ALRCK AMDAT DQM0,DQM1 DQ[0:15] DCLK,WE,CAS,RAS CS,DCKE,MA[0:10] IC505 RESET RESET IC IC501 (MPEG + DSP + RF) MT1389C SCL,SDA IC506 EEPROM Y2(Y),Y3(Color) Y4(Y),Y5(Cb),Y6(Cr) ASPECT(16:9) VIDEO Interface AMUTE,DMUTE AL,AR ASPDIF AUDIO Interface DIN DOUT PWR,PCE,PRD A[0:20] AD[0:7] X501 27MHz LED DRIVE IC IC502 FLASH MEMORY (8 M )
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4. MPEG & MEMORY Block Diagram
IC506
EEPROM
IC501 (MPEG + DSP + RF)
MT1389C
IC502
FLASH MEMORY
(8 M )
IC508
A/D Con.
(Karaoke)
IC509
OP Amp
VIDEO
Interface
AUDIO
Interface
LED DRIVE IC
IC503
SDRAM
16M
DCLK,WE,CAS,RAS
CS,DCKE,MA[0:10]
DQM0,DQM1
DQ[0:15]
X501
27MHz
AMDAT
ACLK,ABCK
ALRCK
KARAOKE
BOARD
SCL,SDA
Y2(Y),Y3(Color)
Y4(Y),Y5(Cb),Y6(Cr)
ASPECT(16:9)
AMUTE,DMUTE
AL,AR
ASPDIF
PWR,PCE,PRD
A[0:20]
AD[0:7]
DIN
DOUT
IC505
RESET IC
RESET