Service manual

75
HCD-FR10W
•Waveforms
– RF Board –
1 IC001 1 (DVDRFP)
4 IC001 tj (RFAC)
3 IC001 r; (FE)
100 mV/DIV, 1 ms/DIV
200 mV/DIV, 100 ns/DIV
500 mV/DIV, 100 ns/DIV
800 mVp-p
0.3 Vp-p
1.3 Vp-p
2 IC001 el (TE)
500 mV/DIV, 1 ms/DIV
0.5 Vp-p
– DMB08 Board –
5 IC303 8 (XTO)
qa to qg : color bars video signal
6 IC303 9 (SO1)
9 IC303 3 (MO1)
7 IC303 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
4.0 Vp-p
4.1 Vp-p
4.8 Vp-p
8 IC303 qd (SO3)
29.5 ns
1 V/DIV, 10 ns/DIV
4.1 Vp-p
4.5 Vp-p
q; IC301 r; (XTAL)
50 ns
1 V/DIV, 20 ns/DIV
4.1 Vp-p
qa IC206 <zcz (VDAC_0)
500 mV/DIV, 20 µ s/DIV
qs IC206 <zx, (VDAC_1)
500 mV/DIV, 20 µ s/DIV
1.1 Vp-p
qj IC901 ek (X2)
50 ns
1 V/DIV, 20 ns/DIV
2.7 Vp-p
qd IC206 <zxb (VDAC_2)
500 mV/DIV, 20 µ s/DIV
1.1 Vp-p
qk IC607 qs (MCLK2)
74.1 ns
3.7 Vp-p
1 V/DIV, 40 ns/DIV
qf IC206 <zxx (VDAC_3)
800 mVp-p
H
200 mV/DIV, 20
µ s/DIV
qg IC206 <zz. (VDAC_4)
200 mV/DIV, 20 µ s/DIV
H
800 mVp-p
qh IC606 wa (XOUT)
81.4 ns
4.5 Vp-p
1 V/DIV, 40 ns/DIV
1.4 Vp-p
H
H
H
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