Aiwa TV-A2115 service manual Waveform, Main C.B

WAVEFORM

AC : 220V	INPUT : TUNER PAL-COLOR BAR AUDIO 1kHz		USER CONTROL : ALL RESET
MAIN C.B
1 IC301 PIN 19 (GOUT)		5 IC301 PIN 30 (FBP IN)

1

5

1V/div

10∝ s/div

2V/div

20∝ s/div

2 IC301 PIN 23 (V NFB) 6 IC301 PIN 32 (H OUT)

2
	1 V/div
	5 ms/div
3	IC301 PIN 24 (VOUT)
3
	0.2 V/div
	5 ms/div
4	IC301 PIN 26/27 (SCL/SDA)

Pin 26

4

Pin 27

2 V/div

5 ms/div

6

1 V/div

20 ∝ s/div

7 IC301 PIN 47 (IF DET OUT)

7
	1 V/div
	20 ∝ s/div
8	Q912 EMITTER

8

0.5 V/div

20 ∝ s/div

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