Sony Ericsson XR-C7500RX service manual Waveforms Main Board, KEY Board

•Waveforms

– MAIN Board –

1 IC50 5 (OSCI) 6 IC600 os (X0)

2.6 Vp-p

231 ns	272 ns
2 IC100 ra (XTLI38)	7 IC800 ih (EXTAL)

XR-C7500R/C7500RX

– KEY Board –

1IC901 oh (OSC)

4.5 Vp-p	3.1 Vp-p
	22.7 ∝s

980 mVp-p

59 ns 54.2 ns

3IC100 ug (BCK)

4.3 Vp-p

352 ns

4IC100 uh (LRCK)

3.9 Vp-p

22.7∝s

5IC600 uf (X0A)

3 Vp-p

30.5∝s

980 mVp-p

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