Maintenance
Page 6-2
Service Manual
MT930B
RECOMMENDED TEST EQUIPMENT
The maintenance described in this chapter requires special test equipment (or
equivalent). Equipment listed in Table 6-1 is what SCC uses.
NOTE:
Locations of various components and adjustment points can be found
in illustrations at the end of this chapter
Table 6-1. Recommended Test Equipment
Equipment
Manufacturer/Model
1 dB Step Attenuator (2)
TRA604-D
4 GHz Low-Noise Amplifier
SCC LNBC-24A
Video Measurement Set
Tek VM-700A
Network Analyzer
Avantest R3762A
SWR Meter
HP or Wilton
Frequency Counter
HP 5351B
Satellite Test Set (Video Ex-
it )
Harris FV40
Signal Generator
TEK TG-7
Spectrum Analyzer
Tek 492
TV Test Signal Generator (PAL)
Tek TAG-271
Digital Signal Generator
Tek 1910
20 VDC Power Supply
Lambda
DC Block (2)
DCB24A
DC Voltmeter
Fluke 77
Oscilloscope
Tek 2465B
LNBC
SCC 24A
Line Amplifier
SCC LA24
50
Ω
–75
Ω
Converter (2)
Generic
Local Oscillator
950 to 2150 MHz
Video Monitor 625-Line (PAL)
Sony
Video Monitor 525-Line (NTSC)
Sony
Summary of Contents for mt930b
Page 3: ...MT930B Service Manual Page i ...
Page 10: ...General Information Page 1 4 Service Manual MT930B THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 22: ...Controls and Connections Page 3 4 Service Manual MT930B THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 86: ...Options Maintenance Page 7 2 Service Manual MT930B THIS PAGE INTENTIONALLY LEFT BLANK ...
Page 90: ...Drawings Page 9 2 Service Manual MT930B 10264 Figure 9 1 MT930B Block Diagram 1 ...
Page 91: ...Drawings MT930B Service Manual Page 9 3 10265 Figure 9 2 MT930B Block Diagram 2 ...
Page 92: ...Drawings Page 9 4 Service Manual MT930B 10266 Figure 9 3 MT930B Block Diagram 3 ...
Page 93: ...Drawings MT930B Service Manual Page 9 5 10267 Figure 9 4 MT930B Block Diagram 4 ...
Page 94: ...Drawings Page 9 6 Service Manual MT930B 10268 Figure 9 5 MT930B Head Phone Schematic ...
Page 95: ...Drawings MT930B Service Manual Page 9 7 10269 Figure 9 6 MT930B RF PC Board Schematic ...
Page 96: ...Drawings Page 9 8 Service Manual MT930B 10270 Figure 9 7 MT930B Converter Module Schematic ...
Page 97: ...Drawings MT930B Service Manual Page 9 9 10271 Figure 9 8 MT930B Main PC Board Sheet 1 of 3 ...
Page 98: ...Drawings Page 9 10 Service Manual MT930B Figure 9 9 MT930B Main PC Board Sheet 2 of 3 ...
Page 99: ...Drawings MT930B Service Manual Page 9 11 10273 Figure 9 10 MT930B Main PC Board Sheet 3 of 3 ...
Page 100: ...Drawings Page 9 12 Service Manual MT930B 10274 Figure 9 11 MT930B Power Supply Schematic ...
Page 101: ...Drawings MT930B Service Manual Page 9 13 10275 Figure 9 12 MT930B IF Filter Block Schematic ...
Page 102: ...Drawings Page9 14 Service Manual MT930B 10276 Figure 9 13 MT930B Audio IF PB01 Schematic ...
Page 103: ...Drawings MT930B Service Manual Page 9 15 10277 Figure 9 14 MT930B Audio Out Schematic ...