Aiwa CX-JV4 Service Manual page 46

CX-JV4
• Waveforms
– BD Board – – VMP50 Board –
1 IC103 qg (RFAC) (CD Play Mode) rd IC801 rs (CPUCLK) (Video CD Play Mode)
1.0
± 0.4 Vp-p
2 IC103 qh (FE) (CD Play Mode) rf IC801 rd (PCLX2X) (Video CD Play Mode)
Approx.
360 mVp-p
3 IC103 qk (TE) (CD Play Mode) rg IC801 rf (PCLK) (Video CD Play Mode)
Approx.
1.2 Vp-p
4 IC103 wk (RFDC) (CD Play Mode) rh IC801 o; (ATCLK) (Video CD Play Mode)
0.6
± 0.15 Vp-p
5 IC101 us (XTAO) rj IC801 oh (TDMCLK) (Video CD Play Mode)
3.7 Vp-p
59.1 ns
rk IC801 ok (TDMFS) (Video CD Play Mode)
5.2 Vp-p
22.7 µ s
31 ns
rl IC802 rd (DCLK) (Video CD Play Mode)
5.5 Vp-p
37 ns
30.8 ns
t; IC802 ws (TBCK) (Video CD Play Mode)
5.5 Vp-p
73.8 ns 338 ns
ta IC802 yf (VDAC) (Video CD Play Mode)
6.3 Vp-p
338 ns
ts IC802 ua (XOUT) (Video CD Play Mode)
5 Vp-p
472 ns 37 ns
td IC802 ul (PCK) (Video CD Play Mode)
3.8 Vp-p
73.8 ns
tf IC802 i; (PCK2) (Video CD Play Mode)
5.9 Vp-p
37 ns
tg Q901 (Emitter) (Video CD Play Mode)
6.3 Vp-p
63.8 µ s
2.3 Vp-p
63.8 µ s
4 Vp-p
46 46
– MAIN Board –
– KEY Board –
wa L311 6 , 7 (REC Mode) qa IC402 3 (CLK)
6 Vp-p
28 Vp-p
19 µ s
ws L311 5 (REC Mode)
qs IC402 6 (CLKO)
6.1 Vp-p
50 Vp-p
19 µ s
wd Q310 Collector (REC Mode)
qd IC402 7 (CLKI)
15 Vp-p
2.6 Vp-p
19 µ s
– PANEL Board –
qf IC901 qd (XT2)
3.3 Vp-p
30.6 µ s
qg IC901 qh (CF2)
5.2 Vp-p
31 ns
5.7 Vp-p
17.9 µ s
5.7 Vp-p
532 ns
5 Vp-p
532 ns