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Operating Instructions
WFM 601 - Service Manual
2–23
The vector mode presents an XY plot of demodulated chrominance phase and
amplitude. The angle represents chrominance phase and the distance from the
center represents chrominance amplitude. A bezel control adjusts vector phase
.
The waveform monitor portion of the instrument provides a voltage-versus-time
display of the video signal. The selected input can be displayed in one or two
line, or one or two field sweeps. In line select mode, identified lines of any field
can be selected and displayed. Multiple inputs can be displayed, or multiple
filters can be used on one input for signal analysis. TIME and VOLTAGE
cursors can be activated and positioned for reference or measurement.
Audio amplitude and phase is monitored using a calibrated X/Y Lissajous
display. The operator can verify that the program audio will be properly
reproduced on both monaural and stereo receivers. Correct phasing between two
audio channels is quickly verified by the direction of the display.
The front-panel LIGHTNING button is used for both the Lightning and the
Diamond displays. Use the DISPLAY button on the CONFIG/FORMAT menu to
toggle between the Lightning and Diamond displays. Press the front-panel
CLEAR MENU button to remove the menu from the screen.
Selecting lightning mode forces the instrument to display CH1 -CH2 -CH3, from
the selected SERIAL A input or SERIAL B.
In bowtie mode, the display is forced to a two line or field sweep and
CH1-CH2-CH3 are turned on. The left half of the display shows CH-1 minus
CH-2 and the right half shows CH-1 minus CH-3. If the timing between
channels is matched, the centers of the bowties will be centered and not skewed.
If CH-2 is delayed with respect to CH-1, the skew moves to the right. If CH-2 is
advanced with respect to CH-1, the skew moves to the left.
The picture mode allows the operator to verify the signal source. In picture mode
with line select on, a bright-up-marker identifies the selected line in the picture.
When MULTIPLE is pushed, WAVEFORM, and VECTOR, LIGHTNING (or
DIAMOND), or AUDIO can be selected at the same time.
When exiting MULTIPLE, the instrument will return to the previous (non
MULTIPLE) display settings. When entering MULTIPLE again, the previous
MULTIPLE display settings will be restored.
Vector
Waveform
Audio
Lightning and Diamond
Bowtie
Picture
Multiple
Содержание WFM601
Страница 4: ...The WFM601 Serial Digital Component Monitor...
Страница 10: ...Contents iv WFM 601 Service Manual Revised Nov 1994...
Страница 14: ...Contents viii WFM 601 Service Manual Revised Nov 1994...
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Страница 50: ...Installation 2 18 WFM 601 Service Manual...
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Страница 87: ...Theory of Operation 3 30 WFM 601 Service Manual...
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Страница 110: ...Performance Verification 4 22 WFM 601 Service Manual...
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Страница 168: ...Maintenance 6 36 WFM 601 Service Manual...
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Страница 175: ...Options 7 6 WFM 601 Service Manual...
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Страница 226: ......
Страница 233: ...WFM 601 SERIAL COMPONENT MONITOR BNC INPUT BOARDS 1...
Страница 237: ...ECL TO TTL CONVERTER LINE BUFFER RAM WFM 601 SERIAL COMPONENT MONITOR COPROCESSOR 3...
Страница 241: ...2 1 10 4256403 Y DAC DIGITAL HALF BAND FILTER Y DELAY WFM 601 SERIAL COMPONENT MONITOR Y DELAY HALF BAND FILTER DAC 5...
Страница 245: ...Y FILTER Pb FILTER Pr FILTER WFM 601 SERIAL COMPONENT MONITOR Y Pb Pr RECONSTRUCTION FILTERS 7...
Страница 247: ...WFM 601 SERIAL COMPONENT MONITOR TRANSCODERS PIX MONITOR OUTPUTS 8...
Страница 249: ...0 0 0 0 WFM 601 SERIAL COMPONENT MONITOR LIGHTNING VECTOR BOWTIE SWITCHING 9...
Страница 251: ...WFM 601 SERIAL COMPONENT MONITOR CONTROL DACULATOR 10...
Страница 257: ...HORIZONTAL DEFLECTION SWEEP GENERATORS HORIZONTAL SIGNAL MUX HORIZONTAL AMPLIFIER WFM 601 SERIAL COMPONENT MONITOR...
Страница 259: ...ROM MICROPROCESSOR NOVRAM RAM FLASH EPROM BUFFERS RESET ABORT WFM 601 SERIAL COMPONENT MONITOR...
Страница 261: ...OUTPUTS SYNCHRONOUS LINE RATE CONTROLLER SYNC SEPARATOR WFM 601 SERIAL COMPONENT MONITOR DYNAMIC CONTROL 15...
Страница 265: ......
Страница 271: ...WFM 601 SERIAL COMPONENT MONITOR FRONT PANEL 20...
Страница 282: ...WFM 601 FIG 1 EXPLODED VIEW A1 A2 A3 A4 A4A1 A5 A6 A7 A8...
Страница 290: ...Glossary Glossary 8 WFM601 Serial Component Monitor...
Страница 304: ...A8 DAC Board 671 2676 04 M81119 Page 4 of 4...