Ic Block Diagrams - Sony TA-AV581 Service Manual

3-10. IC BLOCK DIAGRAMS

IC300 LV1041M (MAIN BOARD)
78
80 79 77
R BPF2 1
RECT
2 BPF
R BPF1
RECT
S DC OUT
3
C DC OUT 4
R DC OUT 5
L DC OUT 6
V REF
7
V REF
VCC
8
C OUT STRIM
9
C
S OUT
10
S
P
R OUT R
11
B
P
L
L OUT
12 12
B
GND 13
P
L IN
14
L
B
P
R IN
15
R
B
S IN
16
S
DELAY OUT 17
C VOL IN
18
DET 19
IREF
20 20
R OUT 21 R
L
22
R NF
NF
SW
L NF 23
L OUT
24
25 26
73
76 75 74
LOGIC
FF
LOGIC
VCA VCA
VCA VCA
S
MODE
P
R
B
P
L
B
P
B
P
P
S
B
B
P
S
P
B
S
R
C
MASTER
VOL
28 29 31
27 30
71
72 70
LOGIC
FF
LOGIC
VCA VCA
VCA VCA
C MODE
STRIM
DC
VOL/
CUT
MUTE
P
B B
L
S
32 34 36
33 35
— 21 —
67
69 68 66
RECT
RECT
P
VOL
B
P
VOL
B
CH
CONTROL
BPF
CONTROL
NOISE
FILTER
NOISE
GEN
B NR
P
B
DATA
DECODER
OUT
FILTER
C
D
P
IN
FILTER
B
SRAM
PCM
CONTROL
PCM
VDD
MASTER VOL
37 38 39
65
64
L BPF2
BPF 63
L BPF1
62
RT IN
R
L
61 LT IN
60
DC CUT
C MODE
59
58
GND
57 NS BPF1
56 NS BPF2
OSC
OSC 55
IEV
CLK
54
53 DATA
52
ENABLE
DATA
51
50 CLK
49 ENABLE2
48 VSS
OSC
47
46 OSC
VDD
45
44 A/D
43
NS
42 D/A
DC CUT
41
40