Audio Section - Aiwa TV-C143 Service Manual

22
CNA803 PIN4 (HEAT)
22
INPUT : SECAM COLOR BAR
23
IC302 PIN13 (C IN)
23
24
IC301 PIN37 (SB YIN)
26
IC301 PIN39 (YIN)
24
25
26
27
IC301 PIN29 (CW OUT)
27
20 µs/div
10 V/div
20 µs/div
100 mV/div
25
IC301 PIN38 (SR YIN)
20 µs/div
500 mV/div
200 ns/div
200 mV/div
28
IC 301 PIN34 (SCP OUT)
28
<AUDIO SECTION>
29
IC301 PIN2 (AOUT)
29
30
IC301 PIN53 (H COR / SIF IN)
30
31
IC401 PIN6 (SPEAKER OUT)
31
14
– –
20 µs/div
2 V/div
500 µs/div
20 mV/div
200 µs/div
200 mV/div
1 ms/div
200 mV/div