Performance Verification
5–6
ECO 422
STEP
OUTGOING
INCOMING
MAXIMUM
TOLERANCE
MINIMUM
TOLERANCE
OPERATION
8
Serial Digital Component Switch –
Backup
switch at 2 dB down
switch at 5 dB down
10
NTSC Serial Digital Composite
Switch – Primary
switch at 2 dB down
switch at 5 dB down
11
NTSC Serial Digital Composite
Switch – Backup
switch at 2 dB down
switch at 5 dB down
13
Serial Digital Audio Switch – Primary
switch at 2 dB down
switch at 4 dB down
14
Serial Digital Audio Switch – Backup
switch at 2 dB down
switch at 4 dB down
Channel 11: (swap S11 for S1)
2
NTSC Black Burst Switch – Primary
switch at 2 dB down
switch at 4 dB down
4
NTSC Black Burst Switch – Backup
switch at 2 dB down
switch at 4 dB down
3
PAL Black Burst Switch – Primary
switch at 2 dB down
switch at 4 dB down
5
PAL Black Burst Switch – Backup
switch at 2 dB down
switch at 4 dB down
7
Serial Digital Component Switch –
Primary
switch at 2 dB down
switch at 5 dB down
8
Serial Digital Component Switch –
Backup
switch at 2 dB down
switch at 5 dB down
10
NTSC Serial Digital Composite
Switch – Primary
switch at 2 dB down
switch at 5 dB down
11
NTSC Serial Digital Composite
Switch – Backup
switch at 2 dB down
switch at 5 dB down
13
Serial Digital Audio Switch – Primary
switch at 2 dB down
switch at 4 dB down
14
Serial Digital Audio Switch – Backup
switch at 2 dB down
switch at 4 dB down
Equipment Required
Signal Source – SPG 422. Must be able to generate black burst signal (NTSC
and PAL), serial digital video (component), and serial digital audio. Also
requires two outputs of each signal.
Signal Source – TSG 170D option 1S. Must be able to output serial digital
composite video.
Step Attenuator – The step attenuator must be able to attenuate a signal at least
60 dB and step from 1 to 4 dB in 0.5 dB steps. (Example: 847 Attenuator from
KAY Elemetrics Corp.)
Oscilloscope or waveform monitor. Used only to monitor the signals. (Examples:
11000 series oscilloscope or 1780 Waveform Monitor.)
Summary of Contents for ECO 422
Page 4: ......
Page 6: ......
Page 14: ...General Safety Summary viii ECO 422 ...
Page 16: ...Service Safety Summary x ECO 422 ...
Page 17: ...Getting Started ...
Page 18: ......
Page 31: ...Operating Basics ...
Page 32: ......
Page 41: ...Operating Basics ECO 422 2 9 Figure 2 6 Setup for Adjusting R265 the User Level for SX 7 ...
Page 43: ...Specifications ...
Page 44: ......
Page 52: ......
Page 53: ...Theory of Operation ...
Page 54: ......
Page 62: ...Theory of Operation 4 8 ECO 422 ...
Page 63: ...Performance Verification ...
Page 64: ......
Page 84: ...Performance Verification 5 20 ECO 422 ...
Page 85: ...Adjustment Procedure ...
Page 86: ......
Page 88: ...Adjustment Procedure 6 2 ECO 422 ...
Page 89: ...Maintenance ...
Page 90: ......
Page 101: ...Options ...
Page 102: ......
Page 104: ...Options 8 2 ECO 422 ...
Page 105: ...Replaceable Electrical Parts ...
Page 106: ......
Page 140: ...Replaceable Electrical Parts 9 34 ECO 422 ...
Page 141: ...Diagrams Circuit Board Illustrations ...
Page 142: ......
Page 145: ......
Page 147: ... ECO 422 Changeover Unit FRONT PANEL 1 ...
Page 148: ...ECO 422 ...
Page 166: ...ECO 422 ...
Page 167: ...Replaceable Mechanical Parts ...
Page 168: ......
Page 174: ...Replaceable Mechanical Parts 11 6 ECO 422 ...
Page 175: ......
Page 176: ...ECO 422 A1 FIG 1 EXPLODED VIEW A2 A3 A4 ...
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