JVC VS-DT2000 Service Manual page 30

VS-DT2000
AN22000A (IC601) : RF & Servo amplifier
1. Terminal layout 2. Block diagram
1 32
2 31
3 30
4 29
COFTR
5 28
6 27
7 26
8 25
9 24
10 23
11 22
C.AGC
12 21
13 20
14 19
RF OUT
15 18
16 17
3. Pin function
Pin No. Symbol
1 PD APC Amp. Input terminal
2 LD APC Amp.Output terminal
3 VCC Power supply terminal
4 RFN RF addition Amp.Reversing input terminal
5 RF OUT RF addition Amp.Output terminal
6 RF IN AGC input terminal
7 C.AGC Terminal of connection of capacity of AGC loop filter.
8 ARF AGC output terminal
9 CEA Capacity connection terminal for HPF-Amp.
10 3TOUT 3TENV output terminal
11 CBDO Capacity connection terminal for RF shade side envelope detection
12 BDO BDO output terminal
13 COFTR Capacity connection terminal for RF discernment side envelope detection
14 OFTR OFTR output terminal
15 /RFDET RFDET output terminal (Negative logic)
16 GND Earth terminal
17 VREF VREF output terminal (Not use)
18 VDET VDET output terminal (Not use)
19 TEBPF VDET input terminal
20 TEOUT TE Amp. output terminal
21 TEN TE Amp. reversing input terminal
22 FEN FE Amp. reversing input terminal
23 FEOUT FE Amp. output terminal
24 GCTRL Terminal GCTL & APC
25 FBAL FBAL control terminal
26 TBAL TBAL control terminal
27 PDE Tracking signal input terminal 1
28 PDF Tracking signal input terminal 2
29 D Focus signal input terminal 4
30 B Focus signal input terminal 2
31 C Focus signal input terminal 3
32 A Focus signal input terminal 1
1-30
3TOUT FEN
CEA /RFDET
9 10 15
OFTR
14
OFTR 3TENV
13
BDO
12
BDO
CBDO
11
ARF
8
AGC
BCA
7
NRFDET
RF IN
6
GCA
5
RF_EQ
AMP
RFN
4
32
A C
TEN VDET
FEOUT TEOUT TEBPF
22 23 21 20 19
VDET
SUBT SUBT
BCA BCA BCA
GCA GCA GCA
AMP AMP AMP
31 30 29 27 28
B D PDE PDF
Function
LD PD
18 2 1
VCC
3
16
GND
FBAL
25
TBAL
26
GCTRL
24
17
VREF