10
In 1
6
Ch 1 input
Out 2 (+)
12
Ch 2 output (+)
4. N301: Vertical output (TDA8357A)
Symbol
PIN
Function
Symbol
PIN
Function
INV IN
1
Input
PUMP UP
6
Pump up power
INV IN
2
Input
V OUT
7
Vertical output
Vcc
3
Pump up power
V PRO
8
Vertical protection
V OUT
4
Vertical output
V FEEDBACK
9
Vertical feedback
GND
5
Ground
5. U101
：
Tuner
PIN
Function
PIN
Function
1
AGC
7
+5V
2
vacant
8
vacant
3
Gnd
9
Vt 33V
4
SCL
10
Gnd
5
SDA
11
IF Out
6
+5V
6. Test point Waveforms
7. IC voltages
5Vpp
0.9Vpp
1.3Vpp
H
H
1Vpp
V
CRT KB
CRT KG
CRT KR
95Vpp
95Vpp
95Vpp
H
H
H
TDA9361 PIN53
2.5Vpp
2.5Vpp
3.8Vpp
H
H
H
TDA9361 PIN52
TDA9361PIN51
TDA9361 PIN33
TDA9361 PIN34
0.8Vpp
V
TDA9361 PIN21
TDA9361PIN22
TDA9361 PIN59
1.2Vpp
2.6Vpp
H
H
TDA9361 PIN40
TDA9361 PIN38
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