NAD T531B - Page 24

3-13
BLOCK DIAGRAMS
1. Overall Block Diagram (T531B, T531AH ONLY)
DISC
SPINDLE
MOTOR
LOADING
MOTOR
Focus, tracking sled
VF+ VF- -24V 8V 5.2VA 5V_A 5V_D 3.3V_M 3.3V 2.5V 8V A.GND,D.NGD,M.GND
loading drive
spindle
loading
CD,DVD:A,B,C,D,E,F
MIRR,TZC
DVD_LDQM,DVD_SD,CSI
DVD_MA[0:11]
DVD_MD[0:15]
DVD_SD_CAS, DVD_SD_RAS DVD_SD_CLK DVD_MWE
DVD_DATA[0:7]
DVD_SD_CSO, DVD_UDQM
ICADDR[0:8]
ICDATA[00:15]
SDCLKI, ZISENB REQZI
33.8688MHz
DA_DATA, DA_LRCK, DA_BCK
D[00:07]
IIC_DATA, IIC_CLK
20MHz
A[00:02]
DA_XCK
Y.SEL
Y(G) Pr(C,R) Pb(B)
FE,TE,RFRP,SBADD,DVD/CD RF
TEBAL,FEBAL, DPOCTL,EQF,EQB
MON,SPINDLE_DRV
FDO,TDO, FMO
AC100- 240V, 50~ 60Hz
FL DISPLAY
REMOCON RECEIVER
KEY Input
SPINDLE_FG
POWER CONTROL
SENS,FOK,MIRR MSDATO,DEFECT,DSP_SENSE, SQSO,SQCK,SCOR,AO[0:5] XLAT,S_CLK,S_DATA,DO[0:7]
PICK UP
IC2A1
33P3721
RF Signal
Processor
IC205
DRAM
GM7IC4260CJ
256K x 16bit
IC201
DVDSP-3301
CD/DVD DSP
DVD SERVO
IC501
SH7034
MAIN
u-COM
IC301
ZiVA-4.1
MPEG A/V
Decoder
SW602
SLD SW
IC302
GM72V1621
1M x 16bit
SDRAM
IC303
GM72V1621
1M x 16bit
SDRAM
IC304
CLOCK
GENERATOR
IC206
CLOCK
IC2M1
FAN8727
Motor Driver
POWER
BOARD
IC901
µPD78032
OPEN S/W
CD DECK MECHANISM
CLOSE S/W LIMIT S/W
M
M
DAC_LO, S_CLK, S_DATA
DA_DATA, DA_LRCK, DA_BCK
27MHz X-TAL
CVBS
IC401
PCM1716
AUDIO
DAC
IC502
FLASH
ROM
IC503
DRAM
NAD
L/R
FR/FL
RR/RL
WOOFER /CENTER
AMP
WOOFER /CENTER
PR/RL FR/FL
AUDIO OUT
VIDEO 'OUT
L/R
CVBS
Y C
Y(G) Pb(B) Pr(R)