Block Diagram - LG CRD-8483B Service Manual

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IC INTERNAL BLOCK DIAGRAM AND PIN DESCRIPTION
• IC101 (MT1136AE) : RF Amplifier IC
I-V converts and amplifies the signal received from the pick-up and then applies to DSP part of one-
chip IC (IC501).

Block Diagram

PDA
PDB
RFGC
RFP
GND
MDI
LDO
CSPI
CSNI
FNI
FPI
TPI
TNI
LDC
TEB
RST_
V2REFO
Summation and VGA
(Variable-gain Amp)
Automatic Laser
Power Control
Central
Servo
Control
Focusing Error Signal
Generator
Tracking Error Signal
Generator
SBAD
(Sub-Beam Adder)
REF and 2VREF
Voltage Generator
MUX
Power
Down
Control
Power
Down
PDC
PDD
CSOSEL
RFN
RFGS
RFO
RFON
VCC
CKIN
VREFO
FEO
FEN
FEP
NC
CSO
TEN
TEO
SBAD
13

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