TOSHIBA SD-520EKE
Diagrama del circuito

4. BLOCK DIAGRAMS
4-1. Overall Block Diagram
Data/Control Bus DVD AV Data SP DIF Data IC402 M11B11664A-30T SPM Tray Motor PUH IC401 TC94A03F Feed Motor RF Amp. 1chip-SERVO Data Processor IC502 TA1323F Xtal 27MHz

MAIN PROCESSOR UNIT
1M-DRAM

AUDIO/VIDEO OUTPUT UNIT
Coaxial Digital Buffer ICY02 TC74HCU04A TOS Link Digital Audio Out

PUH Driver Motor Driver

IC902 AD1958

ICY01 NJM4580E LPF & Amplifier Audio Out ICY06 NJM4580E LPF & Amplifier Audio Out ICY05 NJM4580E LPF & Amplifier Audio Out ICX01 MM1568

2ch Analog Audio Out FL, FR Analog Audio Out

PLL+DAC IC503 BA5813FM IC307 S24C02BFJ E2PROM IC306 ZR36750 Decryption, Video Process,MPEG-2 Decoder Dolby-Digital Decoder, OSD MAIN CPU IC903 PCM1742KE Audio-DAC IC904 PCM1742KE Audio-DAC E2PROM 64M-S-DRAM IC305 MT48LC2M32B2

SL, SR Analog Audio Out

IC308 S24C02BFJ

Center SW Analog Audio Out

32M-FRAM IC309 MBM29DV324BE

Composite Video Out VIDEO LPF with AMPLIFIRE S Video Out

Y,CB,CR Video Out

Display

SW POWER SUPPLY

(FL)

Display-CPU

IC101 TMP87CH75F-3D68

ICV01 MM1567AJBE Video Driver

AV 21P-RGB

FRONT DISPLAY UNIT OUTPUT-RGB UNIT
Fig.3-4-1