JVC KD-S670 Service Manual page 16

KD-S670
AN8806SB-W (IC501) : RF & Servo amp.
1.Pin layout
PD 1
LD 2
LDON 3
LDP 4
VCC 5
RF- 6
RF OUT 7
RF IN 8
C.AGC 9
ARF 10
C.ENV 11
C.EA 12
CS BDO 13
BDO 14
CS BRT 15
OFTR 16
/NRFDET 17
GND 18
2.Block diagram
-
36
+
-
35
+
31
-
34
+
32
-
33
+
1-16
36 PDAC
35 PDBD
34 PDF
33 PDE
32 PDER
31 PDFR
30 TBAL
29 FBAL
28 EF-
27 EF OUT
26 TE-
25 TE OUT
24 CROSS
23 TE BPF
22 VDET
21 LD OFF
20 VREF
19 ENV
6 7 29
-
+
- +
+
-
VCBA
-
+
+
VCBA
-
-
VCBA
+
-
-
+
VCBA
+
+ -
+
-
30 24
28
27 8 9 10
-
+
AGC
EQ
OFTR
- +
- +
1
25 23 22
26
11 12 19
17
RF ENV CURCUIT
DET
BDO
-
+
4
3
13
14
15
16
20
21
2