Sony SCD-XB940 Service Manual page 32

• Waveforms
– MAIN Board –
– TK Board –
1 IC001 el (TE) (CD PLAY) 1 IC607 <z/, (X2/CLKIN)
Approx.
100 mVp-p
2 IC001 r; (FE) (CD PLAY) 2 IC607 yk (ADC1) (CD PLAY)
Approx.
60 mVp-p
3 IC001 tf (SIGO) (CD PLAY) 3 IC607 yl (ADC0) (CD PLAY)
Approx.
1.4 Vp-p
4 IC605 tf (X0)
12.5 MHz
5 IC617 5 (SDCK)
296 ns
6 IC617 rs (BCKD)
3.5 Vp-p
27 MHz
354 ns
7 IC617 rh (BCKA)
Approx.
60 mVp-p
177 ns
8 IC621 8 (X2Q)
Approx.
100 mVp-p
354 ns
9 IC621 qa (2CK)
3.5 Vp-p
177 ns
q; IC623 1
4 Vp-p
88.5 ns
qa IC617 qf (MCKI)
IC622 <zxc (SCKI), IC623 8
2.9 Vp-p
3.4 Vp-p
29.5 ns
qs IC622 ql (RFIN2) (CD PLAY)
Approx.
1.4 Vp-p
3.1 Vp-p
qd IC622 oa (SDCK)
3.7 Vp-p 3.8 Vp-p
296 ns
qf IC622 <z/, (BCLK)
3.8 Vp-p
3.4 Vp-p
354 ns
qg IC622 <z/. (LRCK)
2.1 Vp-p 3.5 Vp-p
22.7 s
32 32
– AUDIO Board –
1 IC301 qs (XOUT) 6 IC309 5 (Q)
1.7 Vp-p
45 MHz
177 ns
2 IC301 rf (LVCKO2),
IC309 1 (CLK)
3.2 Vp-p
88.5 ns
3 IC301 rl (BCKI)
3.4 Vp-p
354 ns
4 IC301 t; (LRCKI)
3.5 Vp-p
22.7 s
5 IC301 ta (SBCKI)
3.4 Vp-p
354 ns
4.4 Vp-p