Aiwa TV-C143, Service Manual, Page: 12 / 28

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12
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WAVEFORM
5
IC301 PIN45 (C IN)
5
20
µ
s/div
100 mV/div
6
IC301 PIN18 (R OUT)
7
IC301 PIN19 (G OUT)
8
IC301 PIN20 (B OUT)
6
7
8
20
µ
s/div
5 V/div
9
IC1 PIN26 (HSYNC)
9
20
µ
s/div
2 V/div
10
IC1 PIN27 (VSYNC)
10
10 ms/div
2 V/div
1
TU101 PIN11 (IF)
1
50
µ
s/div
100 mV/div
2
IC301 PIN6 (IF IN)
2
50
µ
s/div
20 mV/div
3
IC301 PIN47 (IF DET OUT)
3
20
µ
s/div
1 V/div
4
IC402 PIN13
4
20
µ
s/div
500 mV/div
<VIDEO SECTION>
TUNER: 224.25 MHz PAL 60dB
µ
, LINE-IN: 1Vp-p PAL color bar