Zenith XBV443 - System Circuit Diagram

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2. SYSTEM CIRCUIT DIAGRAM
SR14307A
DVW-7000
Compooonent Video Loop
Video Loop
Digital Audio Loop
Invertor IC
DSP Reset
Main Servo data and clock
1.8V Regulator
Video Buffer IC
SDRAM 64M
Ligo picture will not display
MPEG IC
1. Initial Function
2. Video output
3. Audio output
Level shuf IC
Initial Function will be abnormal
Flash ROM
Servo program downlosd
µ-COM Program
download connector
Main Reset from
VCR µ-com
X-TAL
27MHz
EEPROM
Not used