Panasonic CT-L1400 Service Manual page 18

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CT-L1400
3. R-Y signal (TP236)
With [VOLUME+/-] buttons of the remote control transmitter, adjust the value appearing below R-Y indication so that the
amplitude (white-red) at TP236 becomes 0±0.03V.
8.4.4.
NTSC Component (525i) level adjustment
Remote control transmitter
525i signal
Oscilloscope
· · · · Receive 100% color bar signal at video input 1 (S terminal).
· · · · Enter the adjustment mode and adjust the amplitude level of each signal in the following steps.
1. Y signal
With [VOLUME+/-] buttons of the remote control transmitter, adjust the value appearing below YGAIN indication so that the
value below MAX indication becomes DC.
2. B-Y signal (TP238)
With [VOLUME+/-] buttons of the remote control transmitter, adjust the value appearing below B-Y indication so that the
amplitude (yellow-blue) at TP238 becomes 0±0.03V.
3. R-Y signal (TP236)
With [VOLUME+/-] buttons of the remote control transmitter, adjust the value appearing below R-Y indication so that the
amplitude (cyan-red) at TP236 becomes 0±0.03V.
8.4.5.
NTSC Component (525p) level adjustment
Remote control transmitter
525p signal
Oscilloscope
· · · · Receive 100% color bar signal at video input1 (S terminal).
· · · · Enter the adjustment mode and adjust the amplitude level of each signal in the following steps.
1. Y signal
With [VOLUME+/-] buttons of the remote control transmitter, adjust the value appearing below YGAIN indication so that the
value below MAX indication becomes B8.
Measuring instrument
TP236~TP239 (GND) :R
TP237~TP239 (GND) :G
TP238~TP239 (GND) :B
Measuring instrument
TP236~TP239 (GND) :R
TP237~TP239 (GND) :G
TP238~TP239 (GND) :B
Connection
ASPECT : 4:3
PIC MODE : STANDARD
BACK LIGHT : + 30
AI PICTURE : OFF
Connection
ASPECT : 4:3
PIC MODE : STANDARD
BACK LIGHT : + 30
AI PICTURE : OFF
18
Mode
Mode

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