B&K 415 - Page 33

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Figure 4.4 Model 415 Block Diagram for I-F Alignment and Overall Chroma Alignment
RF
AGC
l
VHF
TUNERS
UHF
415 SIGNAL
INPUT
(75 OHMS)
...---~
VIDEO
1-F
AMPLIFIERS
t
IF
AGC
SOUND
DETECTOR
VIDEO
DETECTOR
OUTPUT-USE
DIRECT PROBE
SOUND 1-F
ANO
DEMODULATOR
AUDIO
OUTPUT
1ST
VIDEO
AMPLIFIER
USE PR-151
DEMODULATOR
PROBE
1ST
COLOR
AMP
BIAS
2ND
COLOR
AMP
(BANDPASS)
COLOR
KILLER
Figure 4.5 Color TV Receiver Block Diagram for I-F and Overall Chroma Alignment
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