ICs for VCR
AN3664NFB
■ Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
RFC AGC det.:
Voltage
40
0 V at no signal
VCC1
Recovery current source built in
1 V at standard
signal input
(+10 dB)
500 Ω
10 kΩ
40
1 kΩ
10 kΩ
41
RF conv. out:
6.0 V at using
VCC2
Output impedance: approx. 20 Ω
VCC2 = 12 V
10 kΩ
10 kΩ
10 kΩ
10 kΩ
4.5 V at using
VCC2 = 9 V
50 Ω
50 Ω
41
Same as
aframed
zone
24 kΩ
6 kΩ
42
43
GND2
0 V
Mute R:
Not fixed
6.5 V
Impedance at mute: 20 Ω or less
50 kΩ
130 Ω
Pin 43, 44
44
45
Mute L:
Impedance at mute: 20 Ω or less
Same as
aframed
zone
Line out R:
6.0 V at using
VCC2
Output impedance: approx. 20 Ω
VCC2 = 12 V
4.5 V at using
CC2 = 9 V
10 kΩ
10 kΩ
V
50 Ω
50 Ω
Pin 45, 46
46
Line out L:
Output impedance: approx. 20 Ω
Same as
aframed
zone
24 kΩ
3 kΩ
17
PANASONIC [ PANASONIC ]
