Aiwa TV-A2115 Service Manual page 23

WAVEFORM
AC : 220V INPUT : TUNER PAL-COLOR BAR AUDIO 1kHz
MAIN C.B
1 IC301 PIN 19 (GOUT)
1
2 IC301 PIN 23 (V NFB)
2
3 IC301 PIN 24 (VOUT)
3
IC301 PIN 26/27 (SCL/SDA)
4
4
5 IC301 PIN 30 (FBP IN)
5
1 V/div
10 µs/div
6 IC301 PIN 32 (H OUT)
6
1 V/div
5 ms/div
7 IC301 PIN 47 (IF DET OUT)
7
0.2 V/div
5 ms/div
Q912 EMITTER
8
Pin 26
8
Pin 27
2 V/div
5 ms/div
– 23 –
USER CONTROL : ALL RESET
2 V/div
20 µs/div
1 V/div
20 µs/div
1 V/div
20 µs/div
0.5 V/div
20 µs/div