Sharp XL-35 Service Manual page 41

IC801 VHiMN6627482W: Servo/Signal Control (MN6627482W)
V
DD
V
SS
DV
DD1
TIMING
DV
SS1
/RST GENERATOR
/TEST
PITCH CONTROL
FE
TE
COMPUTER
RFENV
INTERFACE
TRCRS
VDET
BDO
OUTPUT PORT
/RFDET
OFT
DSL • PLL VCO
VCO
EFM
SYNC INTERPOLATION
MICRO
SUBCODE
CIRC ERROR CORRECTION
SERVO
CPU
POLATION
D/A
SOFT MUTING
CONVERTER
ATTENUATION
Figure 41 BLOCK DIAGRAM OF IC
SUBCODE
BUFFER
DEMODULATION
CD-TEXT
BUFFER
DEMODULATION
DEINTERLEAVE
16k
SRAM
INTER
DIGITAL
CLV
AUDIO
SERVO
DIGITAL INTERFACE
– 41 –
XL-35/35C
DIGITAL
DEEMPHSIS
8TIMES
OVER
SAMPLING
DIGITAL FILTER
1 BIT DAC
PWMLOGIC
PWM PWM
(L) (R)
- -
+ +