Y Out Level Adjustment (Bypass Mode); Clamp Pulse Width Adjustment (Ntsc); Burst Gate Pulse Width Adjustment (Ntsc); Fo Adjustment (Ntsc) - Sony TRINITRON PVM-14L3 Service Manual

3-3-2, Y OUT Level Adjustment (BYPASS
Mode)
1. Input the Y-signal of the SMPTE/EBU N-10 level
without burst to the VIDEO IN connector of LINE A.
2. Adjust Y LEVEL (AE-08) in the menu until the
signal level at TP801 meets the standard value.
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Standard value : A= 620 +10 mv
Fig. 3-26
3. Clamp Pulse Width Adjustment
(NTSC)
1. Input the NTSC 100 % color bar signal to the VIDEO
IN connector of INPUT A.
2. Adjust CLP W (A-02) of the menu until the pulse
width at TP2801 meets the standard value.
te
Standard value : A = 1.5 £0.25 psec
Fig. 3-27
3-3-4. Burst Gate Pulse Width Adjustment
(NTSC)
1. Input the NTSC 100 % color bar signal to the VIDEO.
IN connector of INPUT A.
Adjust BGP W (AE~10) of the menu until the wave-
form at TP2804 meets the standard value with refer-
ence to the waveform at TP801.
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TP8O1
TP2B04
Standard value : A = 3.4:40.1 psec
Fig. 3-28
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3-3-5. 3.58 FO Adjustment (NTSC)
1. Input the NTSC 100 % color bar signal to the VIDEO.
IN connector of INPUT A.
2. Short circuit 1C2803 pin-@ and TP2803 (5 V).
3. Adjust FO (AE—1A) of the menu until the waveform 'at
TP3802 moves slowly as shown.
Fig. 3-29
3-3-6. Phase Adjustment (NTSC)
1. Input the NTSC color bar signal in which B-Y signal is
tumed OFF, to the RGB/COMPONENT connector.
2. Adjust the SUB PHASE of the menu until waveform
at TP3802 becomes flat as shown,
Woe
'Standard value : A = 10 mV or less
Fig. 3-30
3. Input the NTSC color bar signal in which R-Y signal is
tumed OFF, to the RGB/COMPONENT connector.
4, Adjust the R-Y PHASE (AE—16) of the menu until
waveform at TP3801 becomes flat as shown,
men ements
Standard value : B = 10 mV or less
Fig. 3-31
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