Sony HCD-EA20 - Page 57

57
HCD-EA20
• Waveforms
– RF BOARD –
– DMB03 BOARD –
1 IC001 1 (DVDRFP)
4 IC001 tj (RFAC)
3 IC001 r; (FE)
100m V/DIV, 1 ms/DIV
200m V/DIV, 100 ns/DIV
500m V/DIV, 100 ns/DIV
800m Vp-p
0.3 Vp-p
1.3 Vp-p
2 IC001 el (TE)
500m V/DIV, 1 ms/DIV
0.5 Vp-p
5 IC906 8 (XTO)
qa to qd :Color bars video signal
6 IC906 9 (SO1)
9 IC906 3 (MO1)
7 IC906 q; (SO2)
29.5 ns
37 ns
37 ns
29.5 ns
1 V/DIV, 10 ns/DIV
1 V/DIV, 10 ns/DIV
1 V/DIV, 10 ns/DIV
1 V/DIV, 10 ns/DIV
4.5 Vp-p
4.2 Vp-p
4.6 Vp-p
1.5 Vp-p
8 IC906 qd (SO3)
29.5 ns
1 V/DIV, 10 ns/DIV
4.6 Vp-p
5.6 Vp-p
q; IC901 r; (XTAL)
50 ns
1 V/DIV, 20 ns/DIV
3.8 Vp-p
qa IC207 <zcz (VDAC_0)
500 mV/DIV, 20 µ s/DIV
H
qs IC207 <zx, (VDAC_1)
500 mV/DIV, 20 µ s/DIV
1.2 Vp-p
H
qd
IC207 <zxb (VDAC_2)
500 mV/DIV, 20 µ s/DIV
1.3 Vp-p
H
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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