Table of Contents
Advertisement
Note
Pin
62
63
2. N902 24C08/PCF8598
PIN
Function
1
GND
2
GND
3
Upper resistance
4
GND
5
SDA data wire
6
SCL clock wire
7
GND
8
+5V Power
3. N601: Sound power amplify (AN7522N)
Symbol
PIN
Vcc
1
Out 1 (+)
2
GND(out 1)
3
Out 1 (-)
4
Standby
5
In 1
6
4. N301: Vertical output (TDA8357A)
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
TDA9351 PIN38
TDA9351 PIN40
TV
SVHS
1
1
Function
Symbol
Power supply
GND
Ch 1 output (+)
In 2
Ch 1Ground
VOL
Ch 1 output (-)
Out 2 (-)
Mute input
GND(out 2)
Ch 1 input
Out 2 (+)
Function
Symbol
Input
PUMP UP
Input
V OUT
Pump up power
V PRO
Vertical output
V FEEDBACK
Ground
PIN
Function
7
+5V
8
vacant
9
Vt 33V
10
Gnd
11
IF Out
3.8Vpp
1.2Vpp
H
H
TDA9351 PIN53
AV1
0
0
1
0
PIN
Function
7
ground
8
Ch 2 input
9
Volume Control
10
Ch 2 output (-)
11
Ch 2 Ground
12
Ch 2 output (+)
PIN
Function
6
Pump up power
7
Vertical output
8
Vertical protection
9
Vertical feedback
2.5Vpp
10
H
TDA9351 PIN52
TDA9351 PIN51
AV2
1
0
2.5Vpp
H
Advertisement
Table of Contents
