Aiwa TVCN-202 NH1C3 Service Manual page 17

WAVEFORM
Input condition : Tuner 11ch (199.25MHz), 80dBµ input : P = Full Field CB & S = 1kHz (Mono)
1
IC501 Pin 12
HOLDOFF MIN NORM
1
P 10V
lO x
2 Between X301 & C304
HOLDOFF MIN EQUIV
2
P 200mV
lO x
IC301 Pin 25
3
HOLDOFF MIN EQUIV
3
P 50mV
lO x
4 IC1 Pin 20
HOLDOFF # EQUIV
4
P 1V
lO x
SMS
A
5 ms/div
10 V/div
A=5ms
SMS
A
0.1µ/div
200 mV/div
A=0.1µs
SMS
A
0.5 µs/div
50 mV/div
A=0.5µs
SMS
A
5 ns/div
1 V/div
A=50ns
5
IC301 Pin 18
IC301 Pin 19
6
TRG +0 . 0 d i v
5
6
P 1V P 1V
lO x lO x
7 IC301 Pin 20
IC301 Pin 21
8
TRG +0 . 0 d i v
7
8
P 1V P 2V
lO x lO x
T601 Pin 1
9
HOLDOFF #
9
P 50V
lO x
11 T601 Pin 8
HOLDOFF #
11
P 50V
lO x
21
NORM SMS
A
20 µs/div
1 V/div
20 µs/div
1 V/div
A=20µs
NORM SMS
A
20 µs/div
1V/div
20 µs/div
2 V/div
A=20µs
NORM SMS
A
20 µs/div
50 V/div
A=20µs
NORM SMS
A
20 µs/div
50 V/div
A=20µs