Sony HCD-FC8 Service Manual page 70

HCD-FC8/FC9
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• Waveforms
— RF Board —
1 2
IC001 1 (DVDRFP) IC001 el (TE)
0.5 Vp-p
800m Vp-p
200m V/DIV, 100 ns/DIV 500m V/DIV, 1 ms/DIV
— DVD Board —
5 6
IC303 8 (XTO) IC303 9 (SO1)
3.9 Vp-p
3.9 Vp-p
29.5 ns
37 ns
1 V/DIV, 10 ns/DIV 1 V/DIV, 10 ns/DIV
9 q;
IC303 3 (MO1) IC301 r; (XTAL)
5.2 Vp-p 3.6 Vp-p
37 ns 50 ns
1 V/DIV, 10 ns/DIV 1 V/DIV, 20 ns/DIV
T E
L 1 3 9 4 2 2 9 6 5 1 3
qd qf
IC206 (VDAC_2) IC206 (VDAC_3)
<zxb <zxx
1.2 Vp-p
820 mVp-p
H
H
200 mV/DIV, 20 µ s/DIV
500 mV/DIV, 20 µ s/DIV
qk
qj
IC901 e (X2) IC607 ql (MCLK2)
k
3.7 Vp-p
2.5 Vp-p
74.1 ns
50 ns
1 V/DIV, 40 ns/DIV
1 V/DIV, 20 ns/DIV
w w w
3 4
IC001 r; (FE) IC001 tj (RFAC)
0.3 Vp-p
1.3 Vp-p
100m V/DIV, 1 ms/DIV 500m V/DIV, 100 ns/DIV
7 8
IC303 q; (SO2) IC303 qd (SO3)
3.8 Vp-p 4.0 Vp-p
29.5 ns 29.5 ns
1 V/DIV, 10 ns/DIV 1 V/DIV, 10 ns/DIV
qa qs
IC206 <zcz (VDAC_0) IC206 <zx, (VDAC_1)
1.6 Vp-p
H 1.4 Vp-p
H
500 mV/DIV, 20 µ s/DIV 500 mV/DIV, 20 µ s/DIV
qg qh
IC206 (VDAC_4) IC606 a (XOUT)
<zz. w
4.8 Vp-p
81.4 ns
820 mVp-p
H
200 mV/DIV, 20 µ s/DIV 1 V/DIV, 40 ns/DIV
x a o
y
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— DDCOM Board —
ql
Q803 collector
25.2 Vp-p
9.1 µ s
10 V/DIV, 4 µ s/DIV
— VIDEO Board —
ws wd
IC208 ea (VOUTb) IC208 ed (COUT)
2.6 Vp-p
H
1 V/DIV, 20 µ s/DIV
1 V/DIV, 20
wh wj
IC208 ws (CbOUTb) IC208 ql (CrOUTb)
1.5 Vp-p
H
Q Q 500 mV/DIV, 20 µ s/DIV
500 mV/DIV, 20 µ s/DIV
3 7 6 3
u 1 6 3
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2 4
9 9 8
— AMP Board —
w; wa
IC304 4
3.4 Vp-p
20.3ns
1 V/DIV, 10 ns/DIV
wf wg
IC208 wk (YOUTb)
2.2 Vp-p
1.8 Vp-p
H
H
µ
s/DIV 1 V/DIV, 20 µ s/DIV
1 V/DIV, 20 µ s/DIV
1.5 Vp-p
H
1 5 1 5 0 8 9 2 4
m
c o
2
9 9
IC301, 302, 303 2 (OUTL1)
4.2 Vp-p
2.6 µ s
µ
1 V/DIV, 1 s/DIV
IC208 wg (CYOUTb)
2.2 Vp-p
H
9 8 2 9 9