Main Block Diagram - Zenith XBV243 series Service Manual

DISC
PICK
SPINDLE
M
UP
MO TOR
LOADING
spindle
MO TOR
loading
M
OPEN S/W
CLOSE S/W
LIMIT S/W
CD DECK MECHANISM
5.3 VA
8 VA
12V
3.3V
POWER
3.3V
5V
5V
2.5V
A.GND,D.NGD,M.GND
VR168 - 923-03485
XBV243 Main Block Diagram
IC2A1
33P3721 FE,TE,RFRP,SBADD,DVD/CD RF
CD,DVD:A,B,C,D,E,F
RF Signal
Processor
TEBAL,FEBAL,
DPOCTL,EQF,EQB
Focus, tracking sled
IC2M1
FAN8727
Motor Driver
loading drive
IC502
IC503
FLASH
DRAM
ROM
MIRR,TZC
IC205
DRAM
GM7IC4260CJ
256K x 16bit
MON,SPINDLE_DRV
DVD_DATA[0:7]
IC201
SDCLKI, ZISENB
DVDSP-3301
REQZI
FDO,TDO,
CD/DVD DSP
FMO
DVD SERVO
33.8688MHz
SENS,FOK,MIRR
CLOCK
MSDATO,DEFECT,DSP_SENSE,
SPINDLE_FG
SQSO,SQCK,SCOR,AO[0:5]
XLAT,S_CLK,S_DATA,DO[0:7]
D[00:07]
A[00:02]
IC501
SH7034
IC304
MAIN CLOCK
GENERATROR
IIC_DATA,
u-COM
IIC_CLK
20MHz
DAC_LO,
S_CLK,
S_DATA
6-4
DVD_LDQM,DVD_SD,CSI
IC302
DVD_MA[0:11]
GM72V1621
1M x 16bit
SDRAM
DVD_MD[0:15]
IC303
GM72V1621
1M x 16bit
DVD_SD_CSO,
SDRAM
DVD_UDQM
IC301
DA_DATA,
ZiVA-4.1
IC206
DA_LRCK,
DA_BCK MPEG A/V
Decoder
DA_XCK
Y(G)
Pr(C,R)
Pb(B)
SW602
SLD SW
27MHz
X-TAL
DA_DATA,
DA_LRCK,
DA_BCK
IC401
PCM1716
AUDIO
DAC
VIDEO OUT
D35E COMBO - DIAGRAMS