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Pal Phase Adjustment (normal); Level Adjustment (pal); Level Adjustment (ntsc 443) - Sony TRINITRON PVM-14L5 Service Manual

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4-3-11. PAL PHASE Adjustment (Normal)

1. Input the PAL SP color bar signal to the VIDEO IN
connector of INPUT A.
2. Adjust R-Y PHASE (AE_17) of the menu until the B-
Y Anti-PAL signal waveform at TP3801 becomes "0"
as shown.
Fig. 4-38

4-3-12. Level Adjustment (PAL)

1. Input the PAL SP color bar signal to the VIDEO IN
connector of INPUT A.
2. Adjust Y LEVEL (AE_05) of the menu until the
waveform at TP801 meets the standard value.
A
Standard value : A = 620
Fig. 4-39
3. Adjust PB LEVEL (AE_10) of the menu until the
waveform at TP3802 meets the standard value.
B
Standard value : B = 620
Fig. 4-40
4. Adjust PR LEVEL (AE_25) of the menu until the
waveform at TP3801 meets the standard value.
C
Standard value : C = 620
Fig. 4-41
PVM-14L5/20L5/D14L5A/D20L5A
Anti-PAL signal
B-Y (0/180d)
±
10 mV
±
10 mV
±
10 mV

4-3-13. Level Adjustment (NTSC 443)

1. Input the NTSC 443 100 % color bar signal to the
VIDEO IN connector of INPUT A.
2. Adjust Y LEVEL (AE_06) of the menu until the
waveform at TP801 meets the standard value.
A
Standard value : A = 620
Fig. 4-42
3. Adjust PB LEVEL (AE_1E) of the menu until the
waveform at TP3802 meets the standard value.
B
Standard value : B = 620
Fig. 4-43
4. Adjust PR LEVEL (AE_26) of the menu until the
waveform at TP3801 meets the standard value.
C
Standard value : C = 620
Fig. 4-44
5. Adjust SUB PHASE (AE_2E) of the menu until the
portions B and C of the waveform at TP1351 on the B
board become flat.
A
B
C
Fig. 4-45
6. Adjust R-Y PHASE (AE_18) of the menu until the
portions C and D of the waveform at TP1451 on the B
board become flat.
A
B
C
Fig. 4-46
±
10 mV
±
10 mV
±
10 mV
20 mV less
D
20 mV less
D
4-11

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