Sony CFD-S28L Service Manual page 27

• Waveforms
– MAIN Board (2/3) –
1 IC701 $∞ TEO (CD PLAY mode) 6 IC703 $£ BCK (CD PLAY mode)
100 mV/DIV, 1 ms/DIV 2 V/DIV, 200 ns/DIV
Approx.
100 mVp-p
2 IC701 #£ RF O, IC703 #∞ RF 7 IC703 #ª LRCK (CD PLAY mode)
(CD PLAY mode) 5 V/DIV, 20 µs/DIV
200 mV/DIV, 500 ns/DIV
1.2 ± 0.1 Vp-p
3 IC701 1 FEO (CD PLAY mode)
50 mV/DIV, 100 ns/DIV
Approx.
200 mVp-p
4 IC703 @¡ MDP (CD PLAY mode)
1 V/DIV, 5 µs/DIV
2.8 Vp-p
7.6 µ s
5 IC703 &º XTAI (CD PLAY mode)
2 V/DIV, 20 ns/DIV
4.3 Vp-p
59 ns
– MAIN Board (3/3) –
1 IC501 #¡ EXTAL
2 V/DIV, 100 ns/DIV
6.4 Vp-p
472 ns 239 ns
2 IC501 &¢ TEX
1 V/DIV, 20 µs/DIV
6.6 Vp-p
30.5 µ s
22.8 µ s
– 39 –
4 Vp-p
2.9 Vp-p