Akai LCT2716, Service Manual, Page: 9 / 76

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE
Reference No : LC27HAB002
Revision : 0
Date : 2005.8.10
Page : P. 6 of 8
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
0.295 0.295
±
0.02 15 Color
Coordination
White
Y
W
Full Pattern
0.300 0.300
±
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