Sony HCD-C990 Service Manual - Page 71
Waveforms, RF Board, DVD Board
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HCD-C770/C990 • Waveforms - RF Board - 1 IC001 1 (DVDRFP) - DVD Board - qa IC401 0 (WFCK) Approx. 400 mVp-p qh IC401 yj (BCK) 3.4 Vp-p 5 Vp-p 2 IC001 el (TE) 3 IC001 r; (FE) 43.4 µs qs IC401 el (FE) Approx. 100 mVp-p 154 ns qj IC401 ua (XTAI) Approx. 50 mVp-p 4.6 Vp-p qd IC401 ra (TE) Approx. 50 mVp-p 29.5 ns qk IC701
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71
HCD-C770/C990
•
Waveforms
– RF Board –
1
IC001
1
(DVDRFP)
Approx.
1.2 Vp-p
4.6 Vp-p
29.5 ns
5 Vp-p
154 ns
Approx.
1.2 Vp-p
Approx.
50 mVp-p
Approx.
100 mVp-p
Approx.
400 mVp-p
qj
IC401
ua
(XTAI)
3
IC001
r;
(FE)
qk
IC701
<zzm
(RFIN)
4
IC001
tj
(RFAC)
qh
IC401
yj
(BCK)
ql
IC701
<zbz
(WFCK)
3.4 Vp-p
43.4
μ
s
2
IC001
el
(TE)
Approx.
100 mVp-p
Approx.
50 mVp-p
3.4 Vp-p
43.4
μ
s
qs
IC401
el
(FE)
qd
IC401
ra
(TE)
– DVD Board –
qa
IC401
0
(WFCK)
qf
IC401
t;
(RFAC)
Approx.
1.2 Vp-p
3.5 Vp-p
7.4
μ
s
qg
IC401
yg
(LRCK)
5 Vp-p
154 ns
w;
IC701
<zb,
(BCLK)