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HT-CN400DVH/HT-CN400DVE/HT-CN500DVH/HT-CN500DVE
DVD MECHANISM UNIT
MAIN BOARD
2CH AUDIO A/D
AUX1
AUX2
TUNER
FM
LA1837
AM
PLL: LA72131
RDS: LC72720
TUNER BOARD
LOADER
DVD Servo RF IC
AUDIO
INPUT
SELECT
CD4052
Figure 12 BLOCK DIAGRAM (1/2)
IC801
DVD MOTOR
Drive IC
LA6560
IC802
LA9703W
74LS157
Digital Audio Select
IC110
2CH AUDIO A/D
AUDIO BUFFER
JRC4558
– 12 –
SDRAM
256K
IC803
DVD Servo Control
LC78663W
I/O PORT
74HC32
74HC14
E XPAND
I/O PORT
74LS374*3
DATA
WM8772
6CH AUDIO D/A
FILTER
JRC4558*3
FLASH
8M
E
M
D
D
D
W
M
T
P
u
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