![background image](http://html.mh-extra.com/html/haier/ht-3768/ht-3768_service-manual_138130016.webp)
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
Summary of Contents for HT-3768
Page 36: ......
Page 37: ...B Circuit Diagrams 1 ...
Page 38: ...Sincere Forever Haier Group Tel 86 532 8938356 Web site http www haier com ...