Function Table Of Ic - Sharp CD-XP120W Service Manual

CD-XP120W
IC402 VHiAN22000A-1: Head Amp. (AN22000A)
Pin No. Terminal Name
1 PD
2 LD
3 VCC
4 RFN
5 RFOUT
6 RFIN
7 CAGC
8 ARF
9 CEA
10 3TOUT
11 CBDO
12 BDO
13 COFTR
14 OFTR
15 NRFDET
16 GND
17 VREF
18 VDET
19 TEBPF
20 TEOUT
21 TEN
22 FEN
23 FEOUT
24 GCTL
25 FBAL
26 TBAL
27 E
28 F
29 D
30 B
31 C
32 A
14
OFTR
13
COFTR
12
BD0
CBD0 11
8
ARF
CAGC 7
6
RFIN
RFOUT 5
4
RFN

FUNCTION TABLE OF IC

APC amp input.
APC amp output.
Power supply.
RF amp inverting input.
RF addition amp output.
AGC amp input.
AGC loop filter connection.
AGC output.
Capacitor for HPF-amp connection.
3T-ENV output.
Capacitor for RF dark-side envelope detection connection.
BDO output.
Capacitor for RF bright-side envelope detection connection.
OFTR output.
NRFDET output.
Ground
VREF output.
VDET output.
VDET input.
TE amp output.
TE amp inverting input.
FE amp inverting input.
FE amp output.
Gain & APC control.
FBAL control.
TBAL control.
Tracking signal input 1.
Tracking signal input 2.
Focus signal input 4.
Focus signal input 2.
Focus signal input 3.
Focus signal input 1.
22 23
9 10 15
32 31
Figure 36 BLOCK DIAGRAM OF IC
Function
21 20
19 18
30 29 27 28
– 36 –
2 1
VCC
3
GND
16
25
FBAL
26 TBAL
24
GCTL
17