Toshiba SD-4800 Service Manual page 5

2. BLOCK DIAGRAMS
2-1. Overall Block Diagram
SPM
Tray
Motor
IC307
S24C02BFJ
E2PROM
IC308
S24C02BFJ
E2PROM
SW POWER SUPPLY
IC402
M11B11664A-30T 1M-DRAM
PUH
RF Amp.
Feed
1chip-SERVO
Motor
Data Processor
X501
IC502
22.5792
TA1323F
MHz
PUH Driver
Motor Driver
IC503
BA5813FM IC306
ZR36750
Video Process,MPEG-2 Decoder
32M-FRAM
IC309
MBM29DV324BE
MAIN PROCESSOR UNIT
IC401
TC94A03F
IC902
AD1958
IC903
PCM1742KE
Decryption,
Audio-DAC
Dolby-Digital Decoder, OSD
IC904
MAIN CPU
PCM1742KE
Audio-DAC
64M-S-DRAM
IC305
MT48LC2M32B2
IC101
Display
Display-CPU TMP87CH75F-3D68
(FL)
FRONT DISPLAY UNIT
AUDIO/VIDEO OUTPUT UNIT
Buffer
ICY02
TC74HCU04A
Xtal
27MHz
ICY01
NJM4580E
LPF &
PLL+DAC Amplifier
Audio Out
ICY06
NJM4580E
LPF &
Amplifier
Audio Out
ICY05
NJM4580E
LPF &
Amplifier
Audio Out
ICX01
MM1568
VIDEO LPF
with
AMPLIFIRE
Data/Control Bus
DVD AV Data
SP DIF Data
Coaxial
Digital
TOS Link Digital
Audio Out
2ch Analog
Audio Out
FL, FR Analog
Audio Out
SL, SR Analog
Audio Out
Center SW
Analog
Audio Out
Composite
Video Out
S Video Out
Y,C ,C
B R
Video
Out
Fig.3-2-1