Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio FFH-2165AX FFH-2165AX IC
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LC72131, 72131M
XIN REFERENCE PHASE DETECTOR PD
DIVIDER CHARGE PUMP
XOUT
AIN
1 SWALLOW COUNTER UNLOCK
FMIN AOUT
2 1/16. 1/17 4bits DETECTOR
AMIN 12bits PROGRAMMABLE
DIVIDER
CE
DI C2 B DATA SHIFT REGISTER UNIVERSAL IFIN
I/F LATCH COUNTER
CL
D0
POWER
VDD ON
RESET
VSS
B01 B02 B03 B04 I01 I02
TDA7440D
MUXOUTL INL TREBLE(L) BIN(L) BOUT(L)
4 8 9 18 14 15
L-IN1
100K RB
5
L-IN2
100K
SPKR ATT 27
6 G VOLUME TREBLE BASS LOUT
L-IN3 LEFT
100K
7
L-IN4
100K 21
0/30dB 2 SCL
2dB STEP I CBUS DECODER + LATCHES 22
3 SDA
R-IN1 20
DIG_GND
100K
2
R-IN2
100K SPKR ATT 26
G VOLUME TREBLE BASS ROUT
RIGHT
1
R-IN3 VREF
100K
24
28 VS
R-IN4 INPUT MULTIPLEXER SUPPLY 25
RB AGND
100K +GAIN
10 11 19 12 13 23
MUXOUTR INR TREBLE(R) BIN(R) BOUT(R) CREF D98AU883
- 28 -
KB9223 80-QFP-1420C
OVERVIEW
The KB9223 is a 1-chip BICMOS intergrated circuit to perform the
function of RF AMP and Servo signal processor for compact disc
player application. It consist of blocks for RF signal processing,
focus, tracking, sled and spindle servo. Also this IC has adjustment
free function and embeded opamp for audio post filter. #1
FEATURES
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