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Description of major ICs
AN22000A (IC611) : CD-DA Head Amp.
1. Terminal layout
1
16
3. Block diagram
4
5
6
RFOUT
RF_EQ
NRFDET
32
AMP
GCA
31
30
AMP
GCA
29
27
AMP
GCA
28
AMP
GCA
+
17
-
24
1-22
All manuals and user guides at all-guides.com
2. Pin function
Pin
32
Symbol I/O
No.
1
PD
2
LD
O APC Amp. output terminal
3
VCC
-
4
RFN
5
RFOUT
O RF adder Amp. output terminal
6
RFIN
7
CAGC
8
ARF
O AGC output terminal
9
CBA
10 3TOUT
O 3 TENV output terminal
17
11 CBOO
12 BDO
O BDO output terminal
13 COFTR
14 OFTR
O OFTR output terminal
7
8
11
12
13
14
AGC
BDO
OFTR
3TENV
BCA
-
SUBT
+
BCA
-
SUBT
BCA
+
BCA
VDET
-
+
PD
26
25
16
3
Pin
Function
No.
I
APC Amp. input terminal
15 NRFDET O NRFDET output terminal
16 GND
Power supply terminal
17 VREF
I
RF adder Amp. inverting input
18 VDET
terminal
19 TEBPF
20 TEOUT
I
AGC input terminal
21 TEN
I
Input terminal for AGC loop
filter capacitor
22 FEN
I
Capacitor connecting terminal
23 FEOUT
for HPF-Amp.
24 GCTL
25 FBAL
I
Capacitor connecting terminal
26 TBAL
for envelope detection on the
27 E
darkness side
28 F
29 D
I
Capacitor connecting terminal
30 B
for envelope detection on the
31 C
light side
32 A
9
10
15
22
23
21
20
19
18
2
LD
1
Function
Symbol I/O
-
Ground
O VREF output terminal
O VDET output terminal
I
VDET output terminal
O TE Amp. output terminal
I
TE Amp. inverting input
terminal
I
FE Amp. inverting input
terminal
O FE Amp. output terminal
O GCTL & APC terminal
O FBAL control terminal
O TBAL control terminal
I
Tracking signal input terminal 1
I
Tracking signal input terminal 2
I
Focus signal input terminal 4
I
Focus signal input terminal 3
I
Focus signal input terminal 2
I
Focus signal input terminal 1
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