bh7775k ROHM Co. Ltd., bh7775k Datasheet - Page 3

• Manufacturer Part Number: bh7775k
• Description: Vcr Audio Signal Processing System
• Manufacturer: ROHM Co. Ltd.

•
Video ICs
Block diagram
LINE OUT R
LINE OUT L
NA REC FB
LINE1 R IN
LINE2 R IN
LINE1 L IN
LINE2 L IN
MIX OUT
MIX ALC
REC EQ
VREFP
GND
ERM
ERP
Vcc
V
EE
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
RECAMP
REC EQ
48
1
REC
AMP
MIX
47
2
EQ
46
3
SWITCH
INPUT
45
4
LINE
AMP
PB
44
5
LINE
AMP
EQ
43
6
AMP
DECODER
OUTPUT
42
SWITCH
7
DATA
SW
41
8
ALC
40
ATT
9
39
10
38
11
37
12
MODEM
COM.
MODEM
Hi-Fi
DET
D.O.
36
13
35
14
PNR
PNR
FM BPF
34
15
ENVE
LOPE
33
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
DC FB R
VCO f0 ADJ R
DAC BF OUT R
GNMR
FM REC OUT
AUDIO HEAD SW
RHS CTRL
FM ALC
BPF f
VCB
MUTE CTRL
FM PB IN
GNML
DAC BF OUT L
VCO f
DC FB L
0
BH7775K
0
ADJ
ADJ L
PULSE IN
3