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Motorola 12VF26B Manuals
Manuals and User Guides for Motorola 12VF26B. We have
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Motorola 12VF26B manual available for free PDF download: Service Manual
Motorola 12VF26B Service Manual (42 pages)
Brand:
Motorola
| Category:
TV
| Size: 18.81 MB
Table of Contents
General Information
2
High Voltage Warning
4
Cathode Ray Tube Handling Precautions
4
Installation Instructions
4
Receiver Location
4
Operating Controls
5
Receiver Antenna Connection
5
Service Adjustment Controls
5
Focus Control
5
Horizontal Hold Adjustment
6
Vertical Hold Adjustment
6
Brightness
6
Adjustment of Ion Trap
6
UHF Adaptor Socket
7
Deflection Yoke
7
Focus Coil
7
Alignment
8
Order of Alignment
8
Audio Take-Off & Ratio Detector Alignment
8
MC Trap Alignment
9
IF Amplifier Alignment
9
Top View of Chassis
9
Electronic Voltmeter Connections
10
IF & Mixer Response Curves
10
Regeneration Check
11
Bandwidth
11
IF Sensitivity Measurements
11
Oscillator, Antenna and RF Alignment
11
Frequency Chart
12
Oscillator Adjustment
12
Antenna & RF Alignment Procedure
13
Alternate Antenna & HF Alignment
13
Overall Receiver Sensitivity Measurement
14
Circuit Description
15
Low Voltage Power Supply
15
Antenna Input
15
RF Unit
15
IF Amplifiers
17
AGC Circuit
17
Second Detector
17
Video Amplifier
17
Audio Driver Limiter & Ratio Detector
18
Audio Amplifier & Audio Output
18
Clippers
18
Vertical Sweep
18
Horizontal Sweep
19
Phase Detector
19
Horizontal Output & High Voltage Power Supply
20
Major Parts Location
21
Replacement Parts List
23
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