Sony HCD-FR1 - Dvd Home Theater System, Руководство по обслуживанию

Страница: 102 / 138

22 22
HCD-FR1/FR8/FR9
HCD-FR1/FR8/FR9
• Waveforms
– RF Board –
– DMB08 Board –
– DDCOM Board – – AMP Board –
– IO 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
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
e k
(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
10.5
µ
s
23.2 Vp-p
10 V/DIV, 4
µ
s/DIV
ql
Q802 collector
4.7 Vp-p
3.9 Vp-p
2.6
µ
s 20.3ns
w;
IC305
4
wa
IC108,109,110
qa
(OUTL1)
1 V/DIV, 10 ns/DIV 1 V/DIV, 1
µ
s/DIV
ws
IC201
wd
(CVBS OUT)
wd
IC201
wh
(COUT)
1 V/DIV, 20
µ
s/DIV 1 V/DIV, 20
µ
s/DIV
wf
IC201
w;
(CYOUT)
1 V/DIV, 20
µ
s/DIV
2.2 Vp-p
H
wg
IC201
qk
(CbOUT)
1.6 Vp-p
H
500 mV/DIV, 20
µ
s/DIV
H 2.7 Vp-p
H 2.0 Vp-p
ws to wh : color bars video signal
wh
IC201 qh (CrOUT)
500 mV/DIV, 20
µ
s/DIV
H
1.6 Vp-p