Sony PMC-MD55 Service Manual page 170

• Waveforms
– TU BOARD –
4 IC121 !§ (OSCI)
1 IC1 0 (QUAD)
1 V/DIV, 10 ns/DIV
50 mV/DIV, 50 ns/DIV
140 mVp-p
90 ns
2 IC2 !ª (X IN) 5 IC121 @¶ (LRCK) (MD Play Mode)
500 mV/DIV, 5 µs/DIV 1 V/DIV, 10 µs/DIV
1.5 Vp-p
13.3 µ s
6 C121 @• (XBCK) (MD Play Mode)
– BD BOARD –
1 V/DIV, 100 ns/DIV
1 IC101 1, 2 (I, J) (MD Play Mode)
200 mV/DIV, 500 ns/DIV
570 mVp-p
354 ns
7 IC121 @ª (FS256) (MD Play Mode)
1 V/DIV, 50 ns/DIV
2 IC101 4 (A) (MD Play Mode)
200 mV/DIV, 500 ns/DIV
Approx.
450 mVp-
8 IC121 (º (FS4) (MD Play Mode)
1 V/DIV, 2 µs/DIV
3 IC101 8, 9 (E, F) (MD Play Mode)
200 mV/DIV, 500 ns/DIV
Approx.
440 mVp-p
– DG BOARD –
1 IC601 @• (XIN)
1 V/DIV, 50 ns/DIV
3.4 Vp-p
83.3 ns
22 ns
2 IC601 @∞ (XIN-T)
500 mV/DIV, 10 µs/DIV
4.3 Vp-p
30.5 µ s
22.7 µ s
3 IC603 !¡ (BCK) (MD Play Mode)
1 V/DIV, 100 ns/DIV
4.6 Vp-p
354 ns
4 IC603 0 (LRCK) (MD Play Mode)
1 V/DIV, 10 µs/DIV
4.8 Vp-p
22.7 µ s
88.6 ns
5 IC603 9 (SYSCK)
1 V/DIV, 20 ns/DIV
4.4 Vp-p
5.7 µ s
44.3 ns
– 99 –
6 IC605 6
200 mV/DIV, 10 ns/DIV
2 Vp-p 800 mVp-p
22.4 ns
– MAIN BOARD (CD Section) –
1 IC701 #¡ (RF O) (CD Play Mode)
500 mV/DIV, 500 ns/DIV
1.9 Vp-p
1 to 1.4 Vp-p
2 IC701 $¡ (TEO) (CD Play Mode)
50 mV/DIV, 1 µs/DIV
3.4 Vp-p
Approx.
180 mVp-p
3 IC701 $• (FEO) (CD Play Mode)
50 mV/DIV, 1 µs/DIV
3.7 Vp-p
Approx.
120 mVp-p
4 IC702 #ª (LRCK) (CD Play Mode)
1 V/DIV, 10 µs/DIV
4.2 Vp-p
4.1 Vp-p
22.7 µ s
– MAIN BOARD
5 IC702 $£ (BCK) (CD Play Mode)
(SYSTEM CONTROL Section) –
1 V/DIV, 200 ns/DIV
1 IC405 $™ (XTAL)
1 V/DIV, 50 ns/DIV
4.3 Vp-p
470 ns
6 IC702 $• (XPCK) (CD Play Mode)
2 V/DIV, 100 ns/DIV
2 IC405 *¶ (TX)
1 V/DIV, 20 µs/DIV
4.3 Vp-p
240 ns
7 IC702 &º (XTAI)
500 mV/DIV, 10 ns/DIV
3 IC406 !£ (XI) (AEP, UK)
1 V/DIV, 100 ns/DIV
2 Vp-p
29.5 ns
– 100 –
2 Vp-p
125 ns
2.5 Vp-p
30.5 µ s
2.1 Vp-p
231 ns