Haier HT-3768, Service Manual

Page: 16 / 38

2
BAND2
1.8 600 5000
3
KEY INPUT
5 600 15000
4
DIGITAL GND
0 0 0
5
CPU RESET
5 600 10000
6
CPU CLOCK
2.3 600 1000
7
CPU ClOCK
2.0 600 15000
8
TEST
0 0 0
9
+5 VCC
5 400 4500
10
GND
0 0 0
11
SIGNAL GND
0 0 0
12
HORIZONTAL SYNC SIGNAL INPUT
1 750 150
13 HORIZONTAL RETURN PULSE
SIGNAL INPUT CHARACTER
HORIZONTAL LOCATION 1.7 500 550
14
HORIZONTAL AGC
6.3 750 1400
15 VERTICAL SIGNAL PRODUCE
LOCATION 4.3 750 1500
16 VERTICAL RETURN PULSE SIGNAL
INPUT CHARACTER VERTICAL
LOCATION 5.3 750 1300
17
HORIZONTAL VCC
8.7 100 100
18
NC
0 700 900
19
Cb SIGNAL INPUT
2.4 750 5000
20
Y SIGNAL INPUT
2.4 750 5000
21
Cr SIGNAL INPUT
2.4 700 4500
22
TV GND
0 0 0
23
COLOR SIGNAL INPUT
0 0 0
24
EXTERIOR VEDIO SIGNAL INPUT2
2.4 700 4500
25 TV VCC 3.4 320 300
26
VEDIO SIGNAL INPUT
2.6 750 5000
27
AUTOMATIC BRIGHT CONTROL
4.5 750 5000
28
AUDIO OUTPUT
3.5 750 1400
29
+9 VCC
8.8 100 100
30
IF SIGNAL OUTPUT
3.6 700 950
31
SIF SIGNAL OUTPUT
1.8 700 2100
32
EXTERIOR SIGNAL INPUT
4.3 750 1400
33
SIF SIGNAL INPUT AND LEVEL REVIS
2.9 750 5000
34
DC FEEDBACK
2.2 750 1400
35
PIF PLL
2.4 500 1500
36
+5 VCC
5 750 1100
37
FLITE RIPPLE
2.1 750 4000
38
DEEMPHA
4.4 700 1400
39
IF AGC
1.7 0 5000
40
IF GND
0 650 0
41
IF INPUT
0 650 4500
42
IF INPUT
0 750 4500
43
RF AGC
3.5 500 1400
44
Y/C VCC +5
5 600 1100
45
MONITOR OUTPUT
1.9 650 2200
46
BLACK EXTEND
1.8 750 5000
16