5-11
VL-E610S/VL-E610H
VL-E660S/VL-E96E
VL-E98E
Measuring point
TL817 (G-OUT)
Address
40
Mode
VCR AV input
Adjusting method
1) Set the data of address 47 at the address 80.
2) Input white 100% as an AV input.
3) Connect TL805 to GND. (The 1H inversion stops.)
4) Connect 220 K
Ω
between TL803 and GND.
5) Seeing the waveform of TL817 (G-OUT), make an adjustment between
the white peak and the sync tip.
Adjustment standard 3.3V
±
0.1V
Remarks
———————
1. Contrast adjustment
Measuring point
TL817 (G-OUT) TL816 (R-OUT)
Address
41
Mode
VCR AV input
Adjusting method
1)AV input: Nonsignal.
2)TL817 (G-OUT): Oscilloscope CH1
TL816 (R-OUT): Oscilloscope CH2
3)Adjust P-P of TL816 becomes bigger 0.15V than TL817.
Adjustment standard
±
0.1Vp-p
Remarks
———————
2. R-W/B adjustment
G R
V
5-1-7. Adjustment of LCD display circuit
Adjustment procedures and connections are the same as with the VCR section.