JVC NX-MD1R Service Manual page 42

NX-MD1R/NX-MD1
AN22000A(IC601):RF & SERVO AMP
1. Terminal layout
32
1
2. Block diagram
3. Pin function
Pin
Symbol
No.
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 NRFDET NRFDET output terminal
1-42
17
16
ARF
RF IN
C.AGC CBDO
RFN RF OUT
4 5 6 7 8 11
RF_EQ AGC BDO
NRFDET
A
32
BCA
AMP GCA
C 31
30
B
GCA BCA
AMP
D
29
BCA
E 27 AMP GCA
BCA
F 28 AMP GCA
VREF 17
24 26 25
GCTL TBAL FBAL
Function
BDO OFTR
COFTR
12 13 14
OFTR
9 CEA
3TENV
3TOUT
10
15 NRFDET
22
FEN
SUBT
23 FEOUT
21
TEN
SUBT
20 TEOUT
19 TEBPF
VDET
18 VDET
2 LD
1 PD
16 3
CDDG VCC
Pin
Symbol
No.
16 CDDG Earth terminal
17 VREF VREF output terminal
18 VDET VDET output terminal
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 GCTL Terminal GCTL & APC
25 FBAL FBAL control terminal
26 TBAL TBAL control terminal
27 E Tracking signal input terminal 1
28 F 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
Function