Sony CDX-838 Service Manual page 27

• Waveforms
– RF Board –
– MAIN Board (1/3) –
1 IC11 ed (RF O) (CD PLAY)
500 mV/DIV, 500 ns/DIV
1 IC101 wj (MDP) (CD PLAY)
1.4 Vp-p
2 IC11 2 (FEI) (CD PLAY)
50 mV/DIV, 1 µs/DIV
2 IC101 eh (V16M)
Approx.
110 mVp-p
3 IC11 rj (TEI) (CD PLAY)
200 mV/DIV, 500 µs/DIV
3 IC101 rl (WDCK)
Approx.
280 mVp-p
4 IC101 t; (LRCK)
5 IC101 tf (BCKO)
6 IC101 ys (RFCK)
2.5 Vp-p
7.6 µ s 137 µ s
7 IC101 u; (C4M)
6.8 Vp-p
236 ns
120 ns
8 IC101 uf (WFCK)
6.6 Vp-p
137 µ s
11.4 µ s
9 IC101 il (XTAI)
6.6 Vp-p
22.7 µ s
59.2 ns
q; IC201 ea (EXTAL)
6.6 Vp-p
472 ns
125 ns
– MAIN Board (2/3) –
qa IC603 4
4.7 Vp-p
5.7 Vp-p
59.2 ns
qs IC601 4 (XTO)
6.4 Vp-p
6.6 Vp-p
59.2 ns
qd IC601 7 (BCK)
7.4 Vp-p
5.5 Vp-p
472 ns
qf IC601 9 (LRCK)
7.4 Vp-p
3.3 Vp-p
22.7 µ s
3.2 Vp-p
27 27
– MAIN Board (3/3) –
w; IC401 7 (RFCK)
qg IC401 ql (LRCK)
6.2 Vp-p
22.7 µ s
qh IC401 qj (BCK) wa IC401 5 (C4M)
6.2 Vp-p
472 ns 236 ns
ws IC401 3, IC501uj (WFCK)
qj IC401 qd (WDCI)
7.7 Vp-p
11.4 µ s
qk IC401 qs (LRCI) wd IC403 1
6.6 Vp-p
22.7 µ s
wf IC501 wl (EXTAL)
ql IC401 9 (BCKI)
6.6 Vp-p
472 ns
5.7 Vp-p
137 µ s
6.6 Vp-p
5.5 Vp-p
137 µ s
6.6 Vp-p
11.4 µ s
3.2 Vp-p
100 ns