62
XR-VS77, XR-VS55
7. GENERAL INFORMATION
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
HA12136AF (AF ASSY : IC2201)
• Dolby B Type NR System IC
•
Pin Function
7.1 PARTS
7.1.1 IC
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HA12211NT (AF ASSY : IC2301)
• REC Equalizer and PB Equalizer System IC
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
REC–EQ
GND
TAPE(L)
REC–OUT(L)
REC–OUT(R)
PB–IN
PB–IN
PB–CAL
PB–CAL
PB–EQ
PB–EQ
PB–NF
PB–NF
PB–IN
PB–IN
TAPE(R)
AUX(L)
AUX(R)
IREF
REC–SEL
BCr
ACr
HSP
A/B
PB–OUT(L)
PB–OUT(R)
PB–CAL
PB–CAL
REC IN
from logic
B(L)
B(R)
to Dolby
REC–RETURN
Vcc
(R)
(R)
(L)
(L)
A(R)
A(R)
A(L)
A(L)
VREF
B(R)
B(L)
R–ch
L–ch
R–ch
L–ch
12dB
139k
5k
2.7k 2.26k 1.12k
10k
B
A
B
A
•
Block Diagram
Содержание XR-VS55
Страница 19: ...XR VS77 XR VS55 19 A B C D 5 6 7 8 5 6 7 8 AF AMP REGULATOR PLL AF AMP 2 3 E CN3051 A ...
Страница 22: ...XR VS77 XR VS55 22 A B C D 1 2 3 4 1 2 3 4 2 2 B ...
Страница 37: ...XR VS77 XR VS55 37 A B C D 1 2 3 4 1 2 3 4 VCD SURVO ASSY B XNP3010 A IC1754 IC1755 IC1101 IC1751 SIDE B B ...