X-HX5000, X-HX3000, X-HX2000
39
52103 (AN8806SB) (CD PCB ASSY : IC400)
• Digital Servo Head Amplifier IC
•
Block Diagram
•
Pin Function
No.
Pin Name
Function
No.
Pin Name
Function
1
PD
APC Amp input
19
ENV
3TENV output
2
LD
APC Amp output
20
VREF
VREF output
3
LD ON/OFF
APC ON/OFF control
21
LD OFF
APC OFF control
4
LDP
APC reference voltage setting
22
VDET
VDET output
5
Vcc
Power supply pin
23
TEBPF
VDET input
6
RF-
RF Amp inverting input
24
CROSS
CROSS output
7
RFOUT
RF Amp output
25
TEOUT
TE. Amp output
8
RFIN
AGC input
26
TE-
TE. Amp inverting input
9
CAGC
AGC loop filter connection pin
27
FEOUT
FE. Amp output
10
ARF
AGC output
28
FE-
FE. Amp inverting input
11
CENV
Capacitor connection pin for RF detection
29
FBAL
F. BAL control
12
CEA
Capacitor connection pin for HPF-Amp
30
TBAL
T. BAL control
13
CSBDO
Capacitor connection pin for RF dark side envelope
31
PDFR
I-V Amp conversion resistor adjustment
14
BDO
BDO output
32
PDER
15
CSHRT
Capacitor connection pin for RF light side envelope
33
E
I-V Amp input
16
OFTR
OFTR output
34
F
17
RFDET
RFDET output
35
B+D
18
GND
Ground
36
A+C
6
7
29
27
28
8
9
10
17
11
12
19
13
14
15
16
5
18
20
21
2
3
4
1
22
23
26
25
24
30
33
32
34
31
35
36
EQ
AGC
RF
DETEC-
TION
ENV
DETECTION
BDO
OFTR
RF-
RFOUT
FBAL
FEOUT
FE-
RFIN CAGC
ARF
RFDET
CENV CEA
ENV
CSBDO
BDO
CSHRT
OFTR
Vcc
GND
VREF
LD OFF
LD
LD ON/OFF
LDP
PD
VDET
TEBPF
TE-
TEOUT
CROSS
TBAL
E
PDER
F
PDFR
B+D
A+C
SUBTRACTION
FEOUT by IA+C
FEOUT by IB+D
FEOUT by FBAL
TEOUT by IF
TEOUT by IE
FEOUT by TBAL