Composite Input; Ntsc Setup 7.5 Mode Adjustment; Y/C Input - Sony TRINITRON PVM-14L2 Service Manual

4-2-2-2. Composite Input

1. Input the NTSC SETUP 0 100 % color bar signal to
the VIDEO IN connector of INPUT A.
2. Adjust Y LEVEL (A2_23) of the menu until the
waveform at TP106 meets the standard value.
A
Standard value : A = 620
3. Adjust C LEVEL (A2_2F) of the menu until the
waveform at TP107 meets the standard value.
B
Standard value : B = 620
4. Adjust SUB CHROMA (A0_74) of the menu until the
portions A and D of the waveform at TP350 (B board)
become flat.
A B C
5. Adjust SUB PHASE (A0_8B) of the menu until the
portions B and C of the waveform at TP350 become
flat.
A B C
4-4
±
10 mV
±
10 mV
10 mV less
D
10 mV less
D

4-2-3. NTSC SETUP 7.5 Mode Adjustment

4-2-3-1. Y/C Input

1. Input the NTSC SETUP 7.5 100 % color bar signal to
the Y/C IN connector of INPUT A.
2. Adjust Y LEVEL (A2_2A) of the menu until the
waveform at TP106 meets the standard value.
A
Standard value : A = 620
4-2-3-2. Composite Input
1. Input the NTSC SETUP 7.5 100 % color bar signal to
the VIDEO IN connector of INPUT A.
2. Adjust Y LEVEL (A2_24) of the menu until the
waveform at TP106 meets the standard value.
A
Standard value : A = 620
±
10 mV
±
10 mV
PVM-14L2/20L2