Sony HCD-HPZ7 Service Manual page 183

• Waveforms
– MAIN Board –
1
IC306 qa (XCOUT)
30.5 µ s
500 mV/DIV, 20 µ s/DIV
2
IC306 qd (XOUT)
62.5 ns
500 mV/DIV, 20 ns/DIV
– AU-TC Board –
3
Q321 collector
(TAPE REC mode)
13.6 µ s
5 V/DIV, 5 µ s/DIV
– BD Board –
4
IC201 u; (RFACO)
(CD PLAY mode)
1.4 Vp-p
200 mV/DIV, 500 ns/DIV
5
IC201 <z/, (XTAO)
(CD PLAY mode)
1.7 Vp-p
59.4 ns
1 V/DIV, 20 ns/DIV
6
IC201 1 (LRCK)
(CD PLAY mode)
1 V/DIV, 10 µ s/DIV
7
8.8 Vp-p IC201 5 (BCK)
(CD PLAY mode)
1 V/DIV, 200 ns/DIV
0.5 to 1.3 Vp-p
2.3 Vp-p
3.3 Vp-p
22.8 µ s
3.3 Vp-p
472 ns
HCD-HPZ7/HPZ9
73