Test Point Waveform; All Ics Voltages - Haier HTR21S34 Service Manual

4. N301: Vertical output (TDA4864)
Symbol PIN
INV IN 1
INV IN 2
Vcc 3
V OUT 4
GND 5
5. U101：Tuner
PIN Function
1 AGC
2 vacant
3 Gnd
4 SCL
5 SDA
6 +5V
6. Test point Waveforms
2.6Vpp
H
TDA1115IN40
95Vpp
H
CRT KR
1Vpp
V
TDA1115IN40 TDA1115IN40
7. IC voltages
TDA11115H
PIN 1 2 3
V 0 3.8 3.6
PIN 17 18 19
V 4 0 4
PIN 33 34 35
V 0.5 0.3 0
PIN 49 50 51
V 1.9 5.0 2.4
Function
Input
Input
Pump up power
Vertical output
Ground
PIN Function
7 +5V
8 vacant
9 Vt 33V
10 Gnd
11 IF Out
3.8Vpp
1.2Vpp
H
TDA1115IN40
TDA1115IN40
95Vpp
95Vpp
H
CRT KG
CRT KB
1.3Vpp
0.8Vpp
V
TDA1115IN40
4 5 6
3.3 3.5 4.4 5.1
20 21 22 23
0.5 0.7 0.8 1.9
36 37 38 39
1.7 2.4 3.4
52 53 54 55
2.4 2.4 3.1
Symbol
PUMP UP
V OUT
V PRO
V FEEDBACK
2.5Vpp
H
H
TDA1115IN40
0.9Vpp
H
H
TDA1115IN40
7 8 9 10
1.8 0 0.18 0.17
24 25 26
1.9 3.9 3.8
40 41 42
8 3.9 0 3.3
56 57 58
0 3.2 0 1.8
10
PIN Function
6 Pump up power
7 Vertical output
8 Vertical protection
9 Vertical feedback
2.5Vpp
H
TDA1115IN40
5Vpp
H
TDA1115IN40
11 12 13 14
0 2.3 8
27 28 29 30
1.6 3.2 2.3 0
43 44 45 46
0 3.6 1.4 2.5
59 60 61 62
1.7 0 3.2 5.1
15 16
5 3
31 32
2.3 0.2
47 48
2.5 2.5
63 64
3.3 5