Adjustment Of Ntsc Mode; Ntsc Composite Input; Ntsc Y/C Input; Adjustment Of Pal Mode - Sony TRINITRON PVM-14L1 Service Manual

2-16. Adjustment of NTSC Mode

2-16-1. NTSC Composite Input

Input NTSC 75% color bar signal.
1. Adjust SUB CHROMA so that CN002-pin5 (JL053)
waveform A and D fall on same level.
A B C
2. Adjust SUB CHROMA so that CN002-pin5 (JL053)
waveform B and C fall on same level.
A B C
3. Repeat step 1 and 2, and adjust so that A, B, C, D fall
on same level.

2-16-2. NTSC Y/C Input

Input NTSC 75% color bar signal.
1. Adjust SUB CHROMA so that CN002-pin5 (JL053)
waveform A and D fall on same level.
A B C
2. Adjust SUB PHASE so that CN002-pin5 (JL053)
waveform B and C fall on same level.
A B C
3. Repeat step 1 and 2, and adjust so that A, B, C, D fall
on same level.
PVM-14L1/14L1MDE/20L1
SSM-14L1/20L1
Less than 20 mV
Target; 0 mV
D
Less than 20 mV
Target; 0 mV
D
Less than 20 mV
Target; 0 mV
D
Less than 20 mV
Target; 0 mV
D

2-17. Adjustment of PAL Mode

2-17-1. PAL Composite Input

Input PAL 75% color bar signal.
1. Adjust SUB CHROMA so that CN002-pin5 (JL053)
waveform A and D fall on same level.
A B C
A B C

2-17-2. PAL Y/C Input

Input PAL 75% color bar signal.
1. Adjust SUB CHROMA so that CN002-pin5 (JL053)
waveform A from D fall on same level.
A B C
A B C
Less than 20 mV
Target; 0 mV
D
Less than 20 mV
Target; 0 mV
D
Less than 20 mV
Target; 0 mV
D
Less than 20 mV
Target; 0 mV
D
2-15