ICs for VCR
s
Pin Descriptions
Pin No.
Pin name
DC voltage (V
CC
=5V)
Equivalent circuit
AN3389SB
Description
V
CC
(5V)
1
V
CC1
5V
1
Power supply input for playback
and recording amplifiers
(For
playback)
5kΩ
5kΩ
2
CHARGE
1.25V
(PB)
200Ω
2
0.1µF
Integration output of automatic
tracking interface peak detection
signal for the playback mode. An
external capacitor is connected to
this pin for integration function.
(For
recording)
Recording AGC detection. Con-
nected to an external capacitor for
the recording mode
2
0.1µF
2
Rec. AGC
Det.
200Ω
15kΩ
15kΩ
3
9
10
16
DUMP3
DUMP4
DUMP1
DUMP2
1.65V
(PB)
36kΩ
70kΩ
3
(9)
(10)
(16)
Head amplifier damping adjust-
ment. Connected to an external
resistor
5kΩ
(For recording)
10Ω
4
11
EPCOM
SPCOM
2.2V
(Rec)
4
100Ω
100Ω
(11)
Recording current output for the
recording mode. Pin4 (EPCOM) is
terminated in the SP mode, and
Pin11 (SPCOM) is terminated in
the EP mode.
10Ω
5
PANASONIC [ PANASONIC SEMICONDUCTOR ]
