Haier HTR13 - Test Point Waveform

14
3. IC701: Sound power amplify (TFA9800J)
Symbol PIN Function Symbol PIN Function
-INV1 1 Non-inverting input 1 Vp 7 Supply voltage
SGND 2 Signal ground M/SS 8
Mute/standby switch
input
SVRR 3
Supply voltage ripple
rejection output
-INV2 9 Non-inverting input 2
Out 1 4 Output 1
PGND 5 Power ground
OUT2 6 Output 2
4. IC401: Vertical output (STV9302A()
Symbol PIN Function Symbol PIN Function
INPUT 1 Inverting input
Poutput stage
supply
6 Output stage supply
SUPPLY VOLTAGE 2 Supply voltage Input 7 Non-inverting input
Flyback generator 3 Flyback generator
GND 4
Ground or negative
supply
Output 5 Output
5. U101
：
Tuner
PIN Function PIN Function
1 Nc 7 +5V
2 Tu 8 IFA1
3 Rf agc 9 IF AGC
4 SCL 10 IFD 1OUT
5 SDA 11 IFD 2 OUT
6 Btl
6. Test point Waveforms
5Vpp
0.9Vpp
1.3Vpp
H
H
1Vpp
V
CRT KB
CRT KG CRT KR
95Vpp
95Vpp
95Vpp
H
H H
R2J10165GC
2.5Vpp
2.5Vpp
3.8Vpp
H H
H
R2J10165GC R2J10165GC
R2J10165GC R2J10165GC
0.8Vpp
V
R2J10165GC R2J10165GC R2J10165GC
1.2Vpp
2.6Vpp
H
H
R2J10165GC
R2J10165GC