Description Of Major Ics; An22000A-W(Ic601):Rf & Servo Amp; Bu4066Bcf-X(Ic831,Ic841,Ic861):Source Selector - JVC XL-R5020BK Service Manual

XL-R5020BK
5.1 AN22000A-W(IC601):RF & SERVO AMP
• Pin layout
• 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 RFDET RFDET output terminal

5.2 BU4066BCF-X(IC831,IC841,IC861):Source selector

• Pin layout & block diagram
20
SECTION 5

Description of major ICs

Description
Pin
Symbol
No.
16 GND Connect to ground
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 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
• Truth table
Control Switch
H ON
L OFF
Description