10
Note
Pin TV
SVHS
AV1 AV2
62 1 0 0 1
63 1 1 0 0
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
Function Symbol PIN
Function
Vcc 1
Power
supply
GND
7
ground
Out 1 (+)
2
Ch 1 output (+)
In 2
8
Ch 2 input
GND(out 1)
3
Ch 1Ground
VOL
9
Volume Control
Out 1 (-)
4
Ch 1 output (-)
Out 2 (-)
10
Ch 2 output (-)
Standby
5
Mute input
GND(out 2)
11
Ch 2 Ground
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
TDA9351 PIN53
2.5Vpp
2.5Vpp
3.8Vpp
H
H
H
TDA9351 PIN52
TDA9351 PIN51
1.2Vpp
2.6Vpp
H
H
TDA9351 PIN40
TDA9351 PIN38