Section 6.0
TELEVISION RECEIVER ALIGNMENT Section 9.0
ADDITIONAL TELEVISION
USING THE MODEL 415
ALIGNMENT PROCEDURES
Fig,. 5.7B (Repeated) Sweep Width Reduced to
USING THE MODEL 415
Show Only Sound and Chroma Portion
Fig. 9.1
Observing Sound Demodulator
of
I-F Response.
"S"-Curve.
Fig. 4.16 (Repeated) Setting Fine Tuning Using
Fig. 9.2 Typical AFT Circuit.
Sound Notch of Response Curve (Chan-
Fig. 9.3
AFT Discriminator "S"-Curve.
nel 4 Marker Frequencies Shown).
Fig. 9.4
Using 100 KHz Markers to Determine
Fig. 4.17 (Repeated) Increasing Sound Notch
Frequency Separation of Discriminator
Resolution to Adjust Receiver Fine Peaks.
Tuning Control.
Fig. 9.5
Condensed Work Guide for Television
Fig. 5.7B (Repeated) Sweep Width Reduced to
Alignment Using the Model 415.
Show Only Sound and Chroma Portion
of
I-F Response.
Section 11.0
OTHER USES OF THE MODEL 415
Fig.6.1 Reversal of Sweep when Chroma
Fig. 4.21
(Repeated) Typical
F-M Receiver Block
Switch is Turned On.
Fig. 4.9 (Repeated) Chroma Bandpass Response
Diagram.
Curve.
Fig. 11.1
Typical 10.7 MHz
I-F Response Curve
Fig. 6.2
Typical Manufacturer's Response
with 100 KHz Markers Added.
Curves with Allowable Variations
Fig. 11.2
Typical 10. 7 MHz Discriminator
Indicated.
Response Curve with 100 KHz Markers
Fig. 6.3 Response Curves Within Limits of
Added.
Figure 6.2.
Fig. 11.3
Checking
F-M Receiver Tracking at the
Fig. 6.4
1-F Response with Sound Trap Tuned to
Low End of the
F-M Band.
Fig. 11.4
Checking
F-M Receiver Tracking Using
Chroma Frequency.
the 9th and 10th Harmonics of the 10.7
Fig. 6.5 Typical Response Curves Showing
MHz Sweep.
Effects of Misalignment of Tuned
Fig. 11.5
Use of 100 KHz Markers in the Calibra-
Circuits.
Fig. 6.6 Detector Load Blocks Required for
tion of Variable Frequency Generators.
Tuner Link Adjustment.
Section 12.0
MAINTENANCE
Fig. 6.7 Tuner Link Response Curve with
ce
Markers Added.
Fig. 12.1
Modification of Spare Marker Oscillator
for Variable Frequency Operation.
Fig. 3.1
(Repeated) Model 415 Block Diagram.
Section 7.0
ALIGNMENT TOUCH-UP PROCEDURES
Fig. 4.1
(Repeated) Model 415 Block Diagram for
VIDEO Function.
Fig. 7.1 400 Hz Video Detector Output When
Fig. 4.4
(Repeated) Model 415 Block Diagram for
Using Modulated Markers.
I-F Alignment and Overall Chroma
Fig. 4.16 (Repeated) Setting Fine Tuning Using
Alignment.
Sound Notch of Response Curve
Fig. 4.10
(Repeated) Model 415 Block Diagram for
(Channel 4 Marker Frequencies Shown).
MKR Function.
Fig. 4.17
(Repeated) Increasing Sound Notch
Fig. 4.12
(Repeated) Model 415 Block Diagram for
Resolution to Adjust Receiver Fine
MOD MKR Function.
Tuning Control. Fig. 4.14
(Repeated) Model 415 Block Diagram for
CH 4 Function.
Fig. 4.18
(Repeated) Model 415 Block Diagram for
CH 10 Function.
Section 8.0
COMPLETE 1-F AND CHROMA
Fig. 4.20 (Repeated) Model 415 Block Diagram for
ALIGNMENT PROCEDURE
10.7 MHz Function.
USING THE MODEL 415
Fig. 12.2 Parts Layout for Marker, Waveform
Fig. 6.7 (Repeated) Tuner Link Response Curve
Generator, and Pattern Amplifier Board
with Markers Added.
(Viewed from Component Side).
Fig. 4.16 (Repeated) Setting Fine Tuning Using
Fig. 12.3
Parts Layout for Power Supply/RF
Sound Notch of Response Curve
Board (Viewed from Component Side).
(Channel 4 Marker Frequencies Shown).
Fig. 12.4
Parts Layout for Sweep Oscillator
Fig. 4.17
(Repeated) Increasing Sound Notch
Board (Viewed from Component Side).
Resolution to Adjust Receiver Fine
Fig. 12.5
Parts Layout for Pix Oscillator Board
Tuning Control.
(Viewed from Component Side).
I
Fig. 5.7B
(Repeated) Sweep Width Reduced
to
Fig. 12.6
Waveform Generator Waveforms.
{
t
Show Only Sound and Chroma Portion
TABLE 12.1
Troubleshooting Chart.
\
of I-F Response.
Fig. 6.1
(Repeated) Reversal of Sweep when
TABLE 12.2
Model 415 Switching Chart.
Chroma Switch is Turned On.
TABLE 12.3 Transistor Voltage Chart.
6
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