akira CT-21CH9, Руководство по обслуживанию

Страница: 29 / 51

29
Model No: CT-21CH9N
Version 1.0
28 H VCC
Horizontal deflection supply input
(+9V)
9.6 9.6 4 18.3
29 SID/CW OUT
SECAM identification/CW
signal output
1.8 3.8 7.2 11.2
30 FBP IN Horizontal flyback pulse input 4 4.8 6 11
31 SYNC OUT SYNC pulse output 4 4.8 6 4
32 H VCC Horizontal excitation output 2 2 0.8 1
33 DEF GND Ground (detection circuit) 0 0 0 0
34 FBP IN Sandcastle pulse output 1.5 1.4 7.2 11
35 VIDEO OUT Video signal output 2.8 3 2 2.5
36 DIG. VD Digital circuit Supply 5.3 5.3 4 5.9
37 S R-Y IN
SESECAM R-Y signal input
CAM B-Y signal input
2.6 2.7 7.2 11
38 S B-Y IN SECAM R-Y signal input 2.6 2.6 7.2 11
39 Y IN Luminance signal input 1.1 1.1 7.2 12
40 H AFC
Connecting RC network for
horizontal AFC filter
6.8 6.8 7.2 18.5
41 EXT.VIDEO/Y IN
External video/luminance signal
input
1.6 1.6 7.2 11
42 DIG. GND Digital circuit ground 0 0 0 0
43 TV.VIDEO IN TV. Video signal input 2.8 3.2 7.2 11
44 BLACK DET Black level detecting filter 3.2 2.4 7.2
12
45 EXT.CIN External chroma signal input 2.9 2.9 7.2 11.5
46 Y/C VCC
+5V supply input (Y/C processing
system)
5.2 5.2 1.6 2
47 IF DETOUT IF video detected output 4.6 3.7 1
1.3
48 LOOP Filter
Connecting RC filter network for
phase loop circuit
4 4.8 7.2 11
49 VCO GND Ground (IF VCO circuit) 0 0 0 0
50 VCO
Voltage control oscillating coil
connecting pin
8.1 8 1 0.7
51 VCO
Voltage control oscillating coil
connecting pin
8 8 1 0.7
52 VCO VCC
+9V supply input (IF VCO
circuit)
9 9 0.8 0.6
53 Limitter IN Sound IF signal input 3.9 3.8 7.2 11
54 RIPPLE FILTER Ripple filter circuit 5.8 4.8 7.2 10
55 EXT AUDIO External audio signal input 3.4 3.4 7.2 11
56 FM DEC NF
FM direct current negative
feedback filter capacitor con
necting
pin
3.8 3.7 7
.