Zenith A27A11D - Page 29

CM150 3-9 GA - IC DESCRIPTIONS
IC DESCRIPTIONS (continued)
Pin Configuration
221-00907
Pilot detector
Pilot detector
Resonator
Stereo/mono select
Stereo presence
VCC
BPF upper corner
BPF lower corner
Det. bypass
L OUT
R OUT
Det. time constant
Left output
Right output
24
23
22
21
20
19
18
17
16
15
14
13
Pilot in
Pilot out
Loop filter
Loop filter
Composite input
Ground
De-emphasis adjust
1/2 VCC
1/2 VCC bypass
L-R output
L-R input
L-R gain adjust
1
2
3
4
5
6
7
8
9
10
11
12
IN