Pin Description - NAD C 740 Service Manual

ІС BLOCK DIAGRAM
Q161 FM STEREO MULTIPLEX DEMODULATIOR AN7470
St.Mono.SW й 38kHZ Е i9kHz 490°
МСО Stop SW
FLIP- FLOP FLIP- FLOP
PIN DESCRIPTION
Pin Pin
No. Pin name No. Pin name
1 Мес 9 Stereo indicator and VCO freq. Monitor
2 Composite signal input 10,11 Pilot detection low-pass filter
3 Buffer Amp. Output 12 Pilot signal input
4 L Ch, Amp. Feedback 13 PLL low-pass filter
5 R Ch, Amp. Feedback 14 PLL low-pass filter
6 R Ch, Amp. Output 15 VCO RC time constant
7 L Ch, Amp. Output 16 Forced Mono. VCO killer
8 Ground
` Q191 RDS DECODER BU1922
Anti-aliasing
filter
RCLK
-13-