Ic Block Diagrams - Sony HST-SE581 Service Manual

5-16. IC BLOCK DIAGRAMS

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