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Test Point Waveform; All Ics Voltages - Haier DTA-2198 Service Manual

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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
3.8Vpp
2.5Vpp
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

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