Service manual

IC2 VHiLC78622K-1 :Servo/Signal Cotdrol(LC78622K) (l/2)
CD-C471 W
Note: The same potential must be supplied to the, power terminals (VDD, VVDD, LVDD, RVDD, XVDD).
In this unit, the terminal with asterisk mark (*) is (&pen) terminal which is not connected to the outside.
1 Ry,M 1 / generator 1
.1..1*.”
RAM address
FSEQIH- Sync detectlon
EFM demodulation
Interpolation mute
Bilingual
>i
II
I
I
i-4 Digital OUT b
DOUT
Flag processing of Cl/C2
error detection and correction
SBE
SBSY
SFSY
CS
WRQ
SQOUT
CQCK
1 bitDAC
i_
L.P.F
57
C2F
’ (NC)
Figure 45 BLOCK DIAGRAM OF IC
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