|
Tech Bulletin |
Description |
17FH |
25FH |
35FH |
50FH |
| TB-TV-1012 |
RF Cavity
Maintenance Procedure |
1 |
1 |
- |
1 |
| TB-TV-1014 |
Electrical
Check of Line Lengths Between Visual Amplifiers and Visual Combiner |
- |
- |
1 |
2 |
| TB-TV1016 |
Static
Plate Current |
2 |
2 |
2 |
3 |
| TB-TV-1017 |
Solid
State Amplifier Power Supply Adjustment |
- |
3 |
- |
4 |
| TB-TV-1018 |
Video
Frequency Response Improvement |
3 |
4 |
3 |
5 |
| TV-TB-1019 |
Chassis
Ground, Solid State Group |
4 |
5 |
4 |
6 |
| TB-TV-1020 |
Solid
State Amplifier Power Supply Adjustment |
5 |
- |
5 |
- |
| TB-TV-1021 |
Power
Tube Warm-up, RCA 8890, 8891, 8916 |
6 |
6 |
6 |
7 |
| TB-TV-1022 |
RCA
8916 and 8891 Tube Output Capacity Change Correction |
7 |
7 |
7 |
8 |
| TB-TV-1023 |
Door
Interlock Screws |
8 |
- |
8 |
9 |
| TB-TV-1024 |
Tube
Type 8890 Plate Contact |
9 |
8 |
9 |
10 |
| TB-TV-1025 |
Modification
of 120 VAC Transfer Circuit |
- |
- |
10 |
11 |
| TB-TV-1026 |
Deletion
of 3K1 Contact |
10 |
9 |
11 |
12 |
| TB-TV-1027 |
Modification
of 120 VAC Transfer Circuit |
11 |
10 |
- |
- |
| TB-TV-1030 |
Improvement
of Vertical Interval Clamp |
12 |
11 |
12 |
13 |
| TB-TV-1031 |
TTS-1
Phase Equalizer System |
13 |
12 |
13 |
14 |
| TB-TV-1033 |
Input
Voltage to 24V Power Supplies |
14 |
13 |
14 |
15 |
| TB-TV-1035 |
Cavity
Cooling Air Flow |
15 |
14 |
15 |
16 |
| TB-TV-1036 |
SCR
Triggering Tolerance |
16 |
15 |
16 |
17 |
| TB-TV-1039 |
Cavity
Wiring, FH Television Transmitters |
17 |
16 |
17 |
18 |
| TB-TV-1049 |
Solar
Regulators, MI-560809 |
18 |
17 |
18 |
19 |
| TB-TV-1051 |
Power
Line Surge Arrestors |
19 |
18 |
19 |
20 |
| TB-TV-1052 |
Parallel
Mode Interuption |
- |
- |
20 |
21 |
| TB-TV-1054 |
Cleaning
of Tube Type 8890, 8891, 8916 |
20 |
19 |
21 |
22 |
| TB-TV-1055 |
Addition
of Sequencer Overload Indication for Remote Control |
21 |
20 |
22 |
23 |
| TB-TV-1057 |
TV
Trans. Remote Control MI-561192 TV Failsafe Interface Panel |
22 |
21 |
23 |
24 |
| TB-TV-1059 |
Blower
Thermal Overload Protection |
23 |
22 |
24 |
25 |
| TB-TV-1060 |
Removal
of 8890 Tube Label |
24 |
23 |
25 |
26 |
| TB-TV-1056 |
TTS-1
Delay Equalizer System |
25 |
24 |
26 |
27 |
| TB-TV-1062 |
Adjustment
of Video Clamp Limit |
26 |
25 |
27 |
28 |
| TB-TV-1063 |
RF
On Time Delay |
27 |
26 |
28 |
29 |
| TB-TV-1064 |
Power
Tube Socket Maintenance |
28 |
27 |
29 |
30 |
| TB-TV-1065 |
Modification
to Video Clamp Adjustment |
29 |
28 |
30 |
31 |
| TB-TV-1069 |
Solid
State Tray Tuning Procedure Revision |
30 |
29 |
31 |
32 |
| TB-TV-1070 |
Aural
PA and Visual PA Grid Protection |
31 |
30 |
32 |
33 |
| TB-TV-1072 |
8890
Tube Socket Alignment Gauge |
32 |
31 |
33 |
34 |
| TB-TV-1073 |
Diode
Modulator Balancing Resistors |
33 |
32 |
34 |
35 |
| TB-TV-1074 |
Screen
Grid Connection |
34 |
33 |
35 |
36 |
| TB-TV-1075 |
TV
Remote Control Latch-up of Metering Failsafe Unit BRF-1 or FSU-1 During
Primary Power Failure |
35 |
34 |
36 |
37 |
| TB-TV-1076 |
Amplitude
Response Adjustment of Datatek Color Phase Equalizer D701, or D-701E |
36 |
35 |
37 |
38 |
| TB-TV-1080 |
Installation
Instructions for MI-560888-69 Visual IPA/Aural PA Cavity Harmonic Mode
Suppression Kit |
37 |
36 |
38 |
39 |
| TB-TV-1081 |
TTS-1
Delay Equalizer For TV Transmitters |
38 |
37 |
39 |
40 |
| TB-TV-1087 |
Pins
for FH Television Transmitter Wiring Modification |
39 |
38 |
40 |
41 |
| TB-TV-1088 |
Aural
PA Loading |
40 |
39 |
41 |
42 |
| TB-TV-1089 |
Aural
PA Plate Resistance Increase |
41 |
40 |
42 |
43 |
| TB-TV-1091 |
Utility
Outlet Polarity |
42 |
41 |
43 |
44 |
| TB-TV-1092 |
24
Volt Power Supply Sequencing Relay |
43 |
42 |
44 |
45 |
| TB-TV-1093 |
Sequencer
Counter Operation Improvement |
44 |
43 |
45 |
46 |
| TB-TV-1094 |
High
Voltage Overload Protection Timing Modification |
45 |
44 |
46 |
47 |
| TB-TV-1095 |
Amplifier
Blower Contactor |
46 |
45 |
47 |
48 |
| TB-TV-1096 |
Grid
Diode Protection |
47 |
46 |
48 |
49 |
| TB-TV-1097 |
RF
Power Control Assembly Checks |
48 |
47 |
49 |
50 |
| TB-TV-1098 |
Diode
Modulator Balancing Resistors |
49 |
48 |
50 |
51 |
| TB-TV-1099 |
Mode
Switching Solenoid, Improved Remote Operation |
- |
- |
51 |
52 |
| TB-TV-1108 |
Aural
FM Oscillator Oven |
50 |
49 |
52 |
53 |
| TB-TV-1113 |
Three-Phase
Meter Wiring |
51 |
- |
53 |
54 |
| TB-TV-1121 |
Securing
Terminal Board Connections - 208 - 240 Input Voltage Only |
52 |
50 |
54 |
55 |
| TB-TV-1122 |
Added
Interlock Protection |
- |
- |
55 |
56 |
| TB-TV-1124 |
Output
Tee Assembly Dimensions - VPA and VIPA |
53 |
51 |
56 |
57 |
| TB-TV-1128 |
Blower
Contactor Coil Wiring |
54 |
52 |
57 |
58 |
| TB-TV-1140 |
Contactor
Terminal Kit |
- |
53 |
- |
59 |
| TOTAL |
|
54 |
53 |
57 |
59 |
BROADCAST
TRANSMITTERS
