Akai LCT3201AD, Руководство по обслуживанию

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KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE
Reference No : LCT
3
201AD
Attachment 1
：
Electrical & Optical Specification
No. Items Instruction Typical Limit Unit
1 Video sensitivity For 30dB S/N 44 ≤ 51 dBuV
2 FM sound sensitivity For 30dB S/N 21 ≤ 35 dBuV
3 Color sensitivity For RF transmission 37 ≤ 40 dBuV
4 CCD sensitivity TV screen refreshes 40 times
number of mistakes
≤ 8
43
≤
50 dBuV
5 Minimum NICAM threshold Without crackline noise N/A N/A dBuV
6 Stereo Channel Separation BTSC. 18
≥
15 dB
7
AGC static characteristic Accept. Picture/Sound repr. 90
≥ 90
dBuV
8 Selectivity Adjacent sound carrier 30 ≥ 28
Below adjacent sound carrier 30 ≥ 30 dB
Adjacent picture carrier 45 ≥ 40
Up adjacent picture carrier 40 ≥ 30
9 IF rejection 55
≥
45 dB
10 Image rejection VHF 57 ≥ 45 dB
UHF 55 ≥ 40
11 AFT pull-in range ± 1.0 ≥ | |
| |
| |
| |
± 1.0 MHz
12 Chroma sync pull-in range
±
500
≥ ±
200 Hz
13 Color killer function -11
≤
-10 dB
PAL 300 ≥ 300 Lines Horizontal
NTSC 260 ≥ 240 Lines
PAL 410 ≥ 400 Lines
RF
Vertical
NTSC 320 ≥ 300 Lines
Horizontal
450 ≥ 450 Lines
14 Resolution
Video
Vertical 400 ≥ 400 Lines
X
W
5 8 2 . 0 0.285 ± 0.02 15 Color
Coordination White
Y
W
Full Pattern
0.293 0.293
±
0.02
Horizontal
16 View
Angle(Lo/3)
Vertical
170
≥ 170
Degree
17 Overscan Cross hatch signal 96 94~98 %
18 Picture position In all direction ± 2
≤ ± 3
mm
19 H sync pull-in range ± 400 ≥ ± 200 Hz
20 V sync pull-in range 6 ≥ 6 Hz
21 Audio frequency response ± 3dB ref. to 1KHz 0.15~12 0.2~12 KHz
8