Tda7439 : Bic1; Lv1015: Dpic4 - Samsung MAX-810 Service Manual

TDA7439 : BIC1

L-N1
L-N2
L-N3
L-N4
R-N1
R-N2
R-N3
R-N4

LV1015: DPIC4

32 31
SFB SW
MODE SEL
SU EC
Vcc
1 2
Samsung Electronics
11
100K
12
100K
13
G
100K
14
100K
0/30dB
10
2dB STEP
100K
9
100K
G
8
100K
7
INPUT MULTIPLEXER
100K GAIN
30 29 28 27
1/2Vcc
MICMIX SW
PHASE SEL
SU EC
MODE SEL
C L K
3 4 5 6
15 16 26 25
27
R
VOLUME TREBLE MIDDLE
2
I CBUS DECDER + LATCHES
VOLUME TREBLE MIDDLE
R
17 18 20 19 20
26 25 24 23
DMIX SW
ON OFF
VOL SEL
1 2
V O L
PHASE
SEL
6
7 8 9 10
23 24
R
SPKR ATT
BASS
L OUT
LEFT
6
30
SCL
1
SDA
29
DIGGND
5
SPKR ATT
BASS R OUT
RIGHT
Verf
3
V
3
4
R AGND
21 22 2
22 21 20 19
L P F D / A
16kSRAM
L O G I C
L P F A / D
11 12 13 14
Block Diagrams
18 17
15 16
9-5