B&K 415 - Channel 4 Function

36
415 SIGNAL INPUT
(300 OHMS)
R-F AGC
BIAS
t
VHF
TUNERS-lo-~
UHF
Figure 4.14 415 Block Diagram for CH 4 Function
1-F AGC
BIAS
VIDEO
1-F
AMPLIFIERS
SOUND
DETECTOR
SOUND
1-F
AND
DEMODULATOR
AUDIO
OUTPUT
1ST
VIDEO
AMPLIFIER
USE PR-151
DEMODULATOR
J
PROBE
TO SCOPE
HOR1Z INPUT
TO SCOPE
OUTPUT-USE
DIRECT PROBE
1ST
COLOR
AMP
TO DEMODULATORS
BIAS
COLOR
KILLER
Figure 4.15 Color TV Receiver Block Diagram for CH 4 Function
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