Hitachi CM771ET, Руководство по обслуживанию

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6
Signal
VESA
1600 1200
(75Hz)
VESA
1600 1200
(85Hz)
VGA
640 480
(60Hz)
Adjustment
signal
CM771U-511 9 -
CM771ET-301
9
-
CM772U-511 -
9
CM772ET-301 - 9
1 Video Type R/G/B Analog R/G/B Analog R/G/B Analog R/G/B Analog
Voltage 0.7 Vp-p 0.7 Vp-p 0.7 Vp-p 0.7 Vp-p
Set Up None None None None
2 Type H/V Separate H/V Separate H/V Separate H/V Composite
Amp. TTL Level
(Pos./Pos.)
TTL Level
(Pos./Pos.)
TTL Level
(Neg./Neg.)
TTL Level (Neg./Neg.)
3 Video frequency 202.500 MHz 229.500 MHz 25.175 MHz 24.800MHz
4 Character (Letter)
1600 dots 1200
lines
1600 dots 1200
lines
640 dots 480 lines 640 dots 410 lines
5 Horizontal Frequency 93.750 kHz 106.250 kHz 31.469 kHz 31.000 kHz
Front
porch 0.316 µs (64cl) 0.279 µs (64cl) 0.636 µs (16cl) 0.403 µs (10cl)
Sync.
width 0.948 µs (192cl) 0.837 µs (192cl) 3.813 µs (96cl) 3.790 µs (94cl)
Back
porch
1.501 µs (304cl) 1.325 µs (304cl) 1.907 µs (48cl) 2.258 µs (56cl)
Blanking
width 2.765 µs (560cl) 2.440 µs (560cl) 6.356 µs (160cl) 6.452 µs (160cl)
Display
time 7.901 µs (1600cl) 6.972 µs (1600cl) 25.422 µs (640cl) 25.806 µs (640cl)
H. period
(1H)
10.667 µs (2160cl) 9.412 µs (2160cl) 31.778 µs (800cl) 32.258 µs (800cl)
6 Vertical Frequency 75.000 Hz 85.000 Hz 59.940 Hz 50.000 Hz
Front
porch 0.011 ms (1H) 0.009 ms (1H) 0.381 ms (10H) 3.548 ms (110H)
Sync.
width 0.032 ms (3H) 0.028 ms (3H) 0.064 ms (2H) 0.129 ms (4H)
Back
porch
0.491 ms (46H) 0.433 ms (46H) 1.049 ms (33H) 3.097 ms (96H)
Blanking
width 0.533 ms (50H) 0.471 ms (50H) 1.430 ms (45H) 6.774 ms (210H)
Display
time 12.800 ms (1200H) 11.294 ms (1200H) 15.253 ms (480H) 13.226 ms (410H)
H. period
(1H)
13.333 ms (1250H) 13.333 ms (1250H) 16.683 ms (525H) 20.000 ms (620H)
7 Scan System (Non-interlaced) (Non-interlaced) (Non-interlaced) (Non-interlaced)
8 Signal name 94A 106B 30C 31W