NAD 512 - IC Block Diagrams; Q101 and Q103 IC Diagrams

IC BLOCK DIAGRAM
Q101: CXA1081M Q103: CXD1167Q
Current
Reference
(®) SCOR
Subcode Subcode Q
Subcode
Demodulator Register
Sync Detector
(27) EFM
23-bit
PDO EFM Demodulator
(26)
ASY
Shift
Register
Error
detector /corrector
CLV Servo
Control
sync detector/
protector/inserter
MIRROR MOS
HOLD AMP
MIRROR
vCcO circuit
interpolator 68) SLOB
timing generator
22) MIRR
DerecT ie. (21) DEFECT
BOTTOM
HOLD
-
CE
reCr
XTAO
A :
a OL
TRACKING
FOCUS ERROR
iil
(18) FE BIAS CNIN (17)
CENTER
VOLTAGE
BUFFER
(17)
Vee
X'TAL circuit Digital Filter
timing generotor
Trocking counter CPU interface
(16) cc}
19
20
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