Sony MDX-C8500R, Service Manual

Page: 25 / 108

25 25
• Waveforms
– SERVO Board –
1 IC301 qh (OSCI) (MD Play Mode)
2 IC301 wg (LRCK) (MD Play Mode)
3 IC301 wh (XBCK) (MD Play Mode)
7 IC302
1
,
2
,
r;
,
rh
(I, J, AGCI, RFO)
(MD Play Mode)
8 IC304 1 , 2 (MD Play Mode)
9 IC304
3
(MD Play Mode)
0 IC304 5 , 6 (MD Play Mode)
qa
IC304
7
(MD Play Mode)
qs IC501
ea
(EXTAL)
6 IC301 uf (TE), IC302 wh (TE)
(MD Play Mode)
4.6 Vp-p
44.3 ns
4 IC301 tg (RFI), IC302 ek (RF)
(MD Play Mode)
5 IC301 yg (FE), IC302 ef (FE)
(MD Play Mode)
– MAIN Board –
1 IC201
4
(OSCO)
2 IC502
yg
(F OSC)
4
IC502
od
(X1)
3.8 Vp-p
22.7
µ
s
4.1 Vp-p
354 ns
Apporx.
1.5 Vp-p
Approx.
0.5 Vp-p
Approx.
2 Vp-p
Apporx.
0.6 Vp-p
4.1 Vp-p
44.3 ns
2.6 Vp-p
44.3 ns
3.8 Vp-p
44.3 ns
4.4 Vp-p
44.3 ns
3.7 Vp-p
101 ns
5.8 Vp-p
231 ns
3 IC502 ud (X1A)
4.6 Vp-p
3.4
µ
s
6 Vp-p
30.5
µ
s
6.1 Vp-p
272 ns
5
IC701
ih
(EXTAL)
3 Vp-p
54.2 ns
6 IC302
1
(OUT)
7
Q103, 106 (Base)
8 Q103, 106 (Emitter)
9
Q105 (Base)
0
Q105 (Collector)
12.6Vp-p
3.4
µ
s
15.2 Vp-p
3.4
µ
s
2
IC803
6
(MD Play Mode)
– DSO Board –
1 IC803
3
(MD Play Mode)
3.9 Vp-p
22.7
µ
s
4 Vp-p
354 ns
3 IC805 ra (XTLI38)
2.7 Vp-p
59.1 ns
– KEY Board –
1 IC901 oh (OSC)
3.1 Vp-p
22.7
µ
s
3.4
µ
s
7 Vp-p
6.6 Vp-p
3.4
µ
s
3.6 Vp-p
3.4
µ
s