Stair Case Signal Adjustment Procedure (Only When Hkcu1001/1003 Is Installed) - Sony HDCU2500 Maintenance Manual

3. Adjust the color bar signal with potentiometer RV305 (WFM GAIN) on the EN-159A/159B board so that it is
within the specified level.
Test Point: WF OUT connector/rear panel
Specification:
A = 140 ±1 IRE (75 Ω termination)
B = 1000 ±7 mVp-p (75 Ω termination)
NTSC
A B C
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2
3
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5
EN-159A/159B (Side A)
2-5-6. Stair Case Signal Adjustment Procedure (Only When HKCU1001/1003 is
Installed)
Adjust the stair case signal to display signals in the sequential mode on the waveform monitor. Make this adjustment
when signals in the sequential mode are not displayed correctly on the waveform monitor. When the waveform monitor
is connected to this unit, adjust the stair case signal with potentiometers RV301 (STAIR STEP POSITION) and RV302
(STAIR STEP LEVEL) on the EN-159A/159B board of the HKCU1001/1003.
1. Press the WAVEFORM MONITOR button of MSU-1000/1500 or the SEQ button of MONITOR SELECT button
of RCP-1500/1501.
Note
The waveform monitor control signal of this unit is output in synchronization with the WF OUT connector output
signal.
2. Adjust the position of the signal to be displayed with potentiometer RV301 (STAIR STEP POSITION) on the
EN-159A/159B board.
HDCU2500
PAL
A
D E F G H
RV305
B
J
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