Test Point Waveform - Haier 21T07 Service Manual

3. IC701: Sound power amplify (TFA9800J)
Symbol PIN
-INV1 1
SGND 2
SVRR 3
Out 1 4
PGND 5
OUT2 6
4. IC401: Vertical output (STV9302A()
Symbol PIN
INPUT 1
SUPPLY VOLTAGE 2
Flyback generator 3
GND 4
Output 5
5. U101：Tuner
PIN Function
1 Nc
2 Tu
3 Rf agc
4 SCL
5 SDA
6 Btl
6. Test point Waveforms
2.6Vpp
H
R2J10165GC
R2J10165GC
95Vpp
H
CRT KR
1Vpp
V
R2J10165GC
Function
Non-inverting input 1
Signal ground
Supply voltage ripple
rejection output
Output 1
Power ground
Output 2
Function
Inverting input
Supply voltage
Flyback generator
Ground or negative
supply
Output
PIN Function
7 +5V
8 IFA1
9 IF AGC
10 IFD 1OUT
11 IFD 2 OUT
1.2Vpp
H
R2J10165GC
95Vpp
95Vpp
H
CRT KG
CRT KB
1.3Vpp
0.8Vpp
V
R2J10165GC R2J10165GC
Symbol
Vp
M/SS
-INV2
Symbol
Poutput stage
supply
Input
2.5Vpp
3.8Vpp
H
H
R2J10165GC
0.9Vpp
H
H
R2J10165GC
10
PIN Function
7 Supply voltage
Mute/standby
8
input
9 Non-inverting input 2
PIN Function
6 Output stage supply
7 Non-inverting input
2.5Vpp
H
R2J10165GC
5Vpp
H
R2J10165GC
switch