Sanyo C28WP1 Service Manual page 13

LA2785 <DOLBY PRO LOGIC SURROUND MATRIX DECODER>
39
42 41 40
OSC
CONTROL
NOISE
GENERATOR
LPF
NOISE
FILTER
4
2 3
1
LV1011 <DOLBY SURROUND PASSIVE DECODER>
24
A
B
OUT
CONTROL
1 2 3 4
V
SS
CLK
DATA
ENABLE
F2JE
37 36
38 35 34
B A
B A
CTRIM
CMOTE
B A B A
VR VR
NOISE
CH
Vref.
5 7 8
6 9
10 11
LT IN
RT IN
V
DD
23 22 21
A/D D/A
OUT
CONTROL
12k SRAM
LOGIC
C
A BSW2
BSW3
B
7K LPF
V
REF
NR IN
BSW2
B
A
V
REF
6 7
5 8
V
CC
L IN R IN S IN
31 30 29
33 32
LPF
MUTE
RECT
VCA VCA
VCA VCA
RECT
VCA VCA
VCA VCA
LPF
12 13 14
L OUT
MIX
20 19 18 17
IN OUT IN
BSW2
A
20k LPF
V
REF
BSW2
BSW2 V
REF
A
B
B
A
V
REF
9 10
11
DELAY
OUT
FILTER
-13-
28 27 26 25 24
RECT
LOG DIFF
RECT
DUAL 1
CONTROL
LOG DIFF
23 21
15 16 17 18 19
R OUT
S-OUT
MIX
V
REF
14
16 15
BSW2
V
V A
REF
REF
B B
EFECT SW
S-TRIM
LV1011
12
13