Service Manuals, User Guides, Schematic Diagrams or docs for : LG Audio ffh-216 f216ic
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INTERNAL BLOCK DIAGRAM OF ICs
BA3126N
1 2 3 4 5 6 7 8 9
REC SW GND P/B SW CONT GND VCC P/B SW GND REC SW
KA3010D
28 27 26 25 24 23 22 21 20 19 18 17 16 15
BUY
BUY
10K
10K
LEVEL
SHIFT LEVEL
TSD SHIFT
REGULATOR
MUTE LEVEL
LEVEL SHIFT
10K
SHIFT
50K
10K
50K
100K
BUY
10K
1 2 3 4 5 6 7 8 9 10 11 12 13 14
KIA7805 P/PI ~ KIA7824P/PI KIA6225S
1 INPUT
R13
R8
R9
Q8
2
Q9
Q16
R18
R4
Q17
R 21 OUT1
Q 14
R12 IN1
AMP 1 3
Q15 1
R17
R11
Q12 Vcc
REGULATED
Q10 2 OUTPUT 5 GND VOLTAGE 4
R5
CIRCUIT
Q6
Q13
R20
Q5 8
R16
IN2 OUT2
AMP 2 6
R
Z1 Q11
R6
R1
R2
C1
Q7 7
R19
Q4
Q1 Q2 Q3
R7
R10
R14
3 GND
- 27 -
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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