6-7
VL-H870U
VL-H875U
VL-H890U
VL-H870U
VL-H875U
VL-H890U
2. Adjustment of EE Y level
Measuring instrument
Oscilloscope
Mode
VCR STOP
Input signal
Color bar
Measuring point
TL3402, TL8356 (GND)
Adjustment address
32
Adjustment level
500
±
20 mVp-p
(1) Input the color bar signal into the video input/output terminal in the VCR STOP mode.
(2) Enter the VCR adjustment mode with an adjustment remote control, and select the address 32.
Select the address, using the FF or REW key, and fix it with the PB key.
(3) Make an adjustment so as to get 500 mVp-p between SYNC TIP and WHITE PEAK on TL3402.
Select the data, using the FF or REW key, and fix it with the PB key.
After the adjustment, press the STOP key, and exit from the adjustment address 32.
500
±
20 mVp-p
Minimum chroma component
3. Adjustment of comb filter
Measuring instrument
Oscilloscope
Mode
VCR STOP
Input signal
Color bar
Measuring point
TL414, TL8356 (GND)
Adjustment address
Phase: 36, Gain: 37
Adjustment level
Minimum chroma component
(1) Input the color bar signal into the video input/output terminal in the VCR STOP mode.
(2) Enter the VCR adjustment mode with an adjustment remote control, and select the address 36.
Select the address, using the FF or REW key, and fix it with the PB key.
(3) Make an adjustment so as to minimize the chroma component on TL414.
Select the data, using the FF or REW key, and fix it with the PB key.
After the adjustment, press the STOP key, and exit from the adjustment address 36.
(4) Enter the VCR adjustment mode with an adjustment remote control, and select the address 37.
Select the address, using the FF or REW key, and fix it with the PB key.
(5) Make an adjustment so as to minimize the chroma component on TL414.
Select the data, using the FF or REW key, and fix it with the PB key.
After the adjustment, press the STOP key, and exit from the adjustment address 37.
(6) Repeat the steps (2) - (3).
4. Adjustment of Y emphasis level
Measuring instrument
Oscilloscope
Mode
VCR STOP
Input signal
Color bar
Measuring point
TL408, TL8356(GND)
Adjustment address
56
Adjustment level
500
±
20 mVp-p
(1) Input the color bar signal into the video input/output terminal in the VCR STOP mode.
(2) Enter the VCR adjustment mode with an adjustment remote control, and select the address 56.
Select the address, using the FF or REW key, and fix it with the PB key.
(3) Make an adjustment so as to get 500mVp-p between SYNC TIP and WHITE PEAK on TL408.
Select the data, using the FF or REW key, and fix it with the PB key.
After the adjustment, press the STOP key, and exit from the adjustment address 56.
Measuring instrument
Oscilloscope
Mode
PB
Input signal
Color bar (JiGWR5-8NSE)
Measuring point
TL405, TL8356(GND)
Adjustment address
57
Adjustment level
500
±
20 mVp-p
(1) Set the color bar tape for alignment (JiGWR5-8NSE).
(2) Enter the VCR adjustment mode with an adjustment remote control, and select the address 57.
Select the address, using the FF or REW key, and fix it with the PB key.
(3) Make an adjustment so as to get 500mVp-p between SYNC TIP and WHITE PEAK on TL405
Select the data, using the FF or REW key, and fix it with the PB key.
After the adjustment, press the STOP key, and exit from the adjustment address 57.
5. Adjustment of Y de-emphasis (Hi-8)
Measuring instrument
Oscilloscope
Mode
PB
Input signal
Color bar (JiGWR5-5NSP)
Measuring point
TL405, TL8356(GND)
Adjustment address
62
Adjustment level
500
±
20 mVp-p
6. Adjustment of Y de-emphasis (Normal-8)
(1) Set the color bar tape for alignment (JiGWR5-5NSP).
(2) Enter the VCR adjustment mode with an adjustment remote control, and select the address 62.
Select the address, using the FF or REW key, and fix it with the PB key.
(3) Make an adjustment so as to get 500mVp-p between SYNC TIP and WHITE PEAK on TL405.
Select the data, using the FF or REW key, and fix it with the PB key.
After the adjustment, press the STOP key, and exit from the adjustment address 62.
500
±
20 mVp-p
500
±
20 mVp-p
500
±
20 mVp-p
Summary of Contents for VL-H870U
Page 46: ...VL H870U VL H875U VL H890U 4 1 3 2 LOCATION MAP 3 4 S R Q P O N M L K J 8 3 ...
Page 50: ...VL H870U VL H875U VL H890U 8 7 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 RIMOCON JACK UNIT ...
Page 54: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 11 LCD PANEL ...
Page 58: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 15 ...
Page 64: ...VL H870U VL H875U VL H890U 8 21 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 67: ...VL H870U VL H875U VL H890U 8 24 10 11 12 13 14 15 16 17 18 19 ...
Page 70: ...VL H870U VL H875U VL H890U 8 27 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 74: ...VL H870U VL H875U VL H890U 8 31 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 77: ...VL H870U VL H875U VL H890U 8 34 10 11 12 13 14 15 16 17 18 19 ...
Page 80: ...VL H870U VL H875U VL H890U 8 37 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 83: ...VL H870U VL H875U VL H890U 8 40 10 11 12 13 14 15 16 17 18 19 ...
Page 85: ...VL H870U VL H875U VL H890U 8 42 10 11 12 13 14 15 16 17 18 19 ...
Page 88: ...VL H870U VL H875U VL H890U 8 45 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 92: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 49 ...
Page 95: ...VL H870U VL H875U VL H890U 8 52 10 11 12 13 14 15 16 17 18 19 ...
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Page 100: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 57 ...
Page 103: ...VL H870U VL H875U VL H890U 8 60 10 11 12 13 14 15 16 17 18 19 ...
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Page 112: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 2 Wiring Side SIDE A ...
Page 114: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 4 Wiring Side SIDE B ...
Page 116: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 6 Wiring Side SIDE A ...
Page 118: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 8 Wiring Side SIDE B ...
Page 120: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 10 Wiring Side SIDE A ...
Page 122: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 12 Wiring Side SIDE B ...
Page 125: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 15 Wiring Side SIDE A ...
Page 126: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 16 Wiring Side SIDE B ...