Sony HCD-RG490 Service Manual page 57

Waveforms
– CD Board –
IC201 1 (LRCK), 2 (LRCKI)
1
(CD play mode)
3.3 Vp-p
22.8 s
1 V/DIV, 10 s/DIV
IC201 5 (BCK), 6 (BCKI)
2
(CD play mode)
3.3 Vp-p
472 ns
1 V/DIV, 200 ns/DIV
IC201 u; (RFACO)
3
(CD play mode)
Approx.
900 mVp-p
200 mV/DIV, 500 ns/DIV
IC201 <z/, (XTAO)
4
(CD play mode)
2.3 Vp-p
59 ns
1 V/DIV, 20 ns/DIV
HCD-RG490/RG590
– BD Board – – DECK Board –
IC101 ra (RFACO) Q453 (Base) (REC mode)
qa wa
(CD play mode)
Approx.
900 mVp-p
200 mV/DIV, 500 ns/DIV
IC101 ys (LRCKI), yd (LRCK) Q453 (Collector) (REC mode)
qs ws
(CD play mode)
4.5 Vp-p
22.8 s
1 V/DIV, 10 s/DIV
IC101 y; (BCKI), yh (BCK)
qd
(CD play mode)
4.5 Vp-p
472 ns
1 V/DIV, 200 ns/DIV
IC101 uj (XTAO)
qf
(CD play mode)
4.5Vp-p
59 ns
2 V/DIV, 20 ns/DIV
– MAIN Board –
IC901 qa (XT2 (32.768KHZ))
ea
1.3 Vp-p
30.6 s
17 s
500 mV/DIV, 5 s/DIV 1 V/DIV, 10 s/DIV
IC901 qf (X2 (16MHZ))
es
6.1 Vp-p
62.5 ns
17 s
2 V/DIV, 5 s/DIV 1 V/DIV, 20 ns/DIV
57 57
– CD-G Board –
IC1001 y; (XO1)
ra
(CD-G play mode)
3 Vp-p
6.7 Vp-p
70 ns
2 V/DIV, 50 ns/DIV
IC1001 4 (SBSY)
rs
(CD-G play mode)
2.5 Vp-p
5.1 Vp-p
13.4 ms
2 V/DIV, 5 ms/DIV
HCD-RG490/RG590
– PANEL Board –
IC701 4 (X2)
ta
3.5 Vp-p
239 ns
1 V/DIV, 100 ns/DIV