Sony STR-DH590, Руководство по обслуживанию

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STR-DH590
57
• Waveforms
– MAIN Board –
0 Q2001
1
,
3
(Base)
1 V/DIV, 5
P
s/DIV
7.9
P
s
2.9 Vp-p
qa Q2001
4
,
5
(Collector)
5 V/DIV, 5
P
s/DIV
7.9
P
s
17.4 Vp-p
wa IC1801
qg
(VBST2)
10 V/DIV, 2 P s/DIV
2.7
P
s
19.6 Vp-p
w; IC1801
2
(VBST1)
10 V/DIV, 500 ns/DIV
20 Vp-p
ws
IC1841
2
(VBST1)
10 V/DIV, 500 ns/DIV
19.2 Vp-p
wd IC1841
qg
(VBST2)
10 V/DIV, 2
P
s/DIV
19.2 Vp-p
1 IC060
qj
(X2)
50 mV/DIV, 100 ns/DIV
82 ns
128 mVp-p
– DISPLAY Board –
– DCDC Board –