Sony HCD-GX255 Service Manual page 60

HCD-GX255/RG170/RG470
• Waveforms
– CD Board – (Except MX model) – BD Board – (MX model only)
IC101 yd (LRCK) IC101 yd (LRCK)
qa 1
4.4 Vp-p
22.8 µ s
1 V/DIV, 10 µ s/DIV
IC101 yh (BCK) IC101 yh (BCK)
qs 2
4.5 Vp-p
472 ns
1 V/DIV, 200 ns/DIV
IC101 uj (XTAO) IC101 uj (XTAO)
qd 3
4.5 Vp-p
59 ns
1 V/DIV, 20 ns/DIV
IC101 ra (RFACO) IC101 ra (RFACO)
qf 4
Approx.
800 mVp-p
0.2 V/DIV, 0.5 µ s/DIV
HCD-GX255/RG170/RG470
– MAIN Board –
IC901 qa
wa
(XCOUT (32.768KHZ))
4.4 Vp-p
22.8 µ s
30.6 µ s
1 V/DIV, 10 µ s/DIV
1 V/DIV, 10 µ s/DIV
IC901 qd (XOUT (16MHZ))
ws
4.5 Vp-p
62.2 ns
472 ns
500 mV/DIV, 20 ns/DIV
1 V/DIV, 200 ns/DIV
Q201 (Collector)
wd
(REC mode)
4.5 Vp-p
17.2 µ s
59 ns
500 mV/DIV, 10 µ s/DIV
1 V/DIV, 20 ns/DIV
Approx.
800 mVp-p
0.2 V/DIV, 0.5 µ s/DIV
– CD-G Board –
IC1001 y; (XO1)
qa
6.7 Vp-p
2.8 Vp-p
70 ns
2 V/DIV, 50 ns/DIV
IC1001 4 (SBSY)
qs
(CD-G play mode)
1Vp-p 5.1 Vp-p
13.4 ms
2 V/DIV, 5 ms/DIV
17.6 Vp-p
60 60
– PANEL Board –
IC601 4 (X2)
ea
3.4 Vp-p
236 ns
1 V/DIV, 100 ns/DIV