Description Of Major Ics - JVC UX-T770R Service Manual

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UX-T770R

Description of major ICs

AN8806SB (IC601) : RF&Servo AMP
1.Pin layout
PD
LD
LDON
LDP
VCC
RF-
RF OUT
RF IN
C.AGC
ARF
C.ENV
C.EA
CS BDO
BDO
CS BRT
OFTR
/NRFDET
GND
2.Block diagram
--
36
+
--
35
+
31
--
34
+
32
--
33
+
1-22
36
1
PDAC
35
PDBD
2
34
3
PDF
33
4
PDE
32
5
PDER
31
6
PDFR
30
7
TBAL
29
FBAL
8
28
9
EF-
27
10
EF OUT
26
11
TE-
25
12
TE OUT
24
13
CROSS
23
TE BPF
14
22
15
VDET
21
16
LD OFF
20
17
VREF
19
18
ENV
6
7
29
--
+
-- +
+
--
VCBA
--
+
+
VCBA
--
--
VCBA
+
--
--
+
VCBA
+
+
--
+
--
24
30
28
8
9
10
27
--
+
AGC
EQ
OFTR
-- +
-- +
-- +
25
22
1
26
23
17
11
12
19
RF
ENV CURCUIT
DET
BDO
--
+
4
3
13
14
15
16
20
21
2

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