Service manual

QT-CD121
– 17 –
WAVEFORMS OF CD CIRCUIT
1
1
3
5ms
0.50 V
IC801 20 F.E
1
5ms
5.0 V
IC801 54 DRF
STOP PLAY
FOCUS SERCH
2
0.5ms
1.00 V
HF
0.5ms
5.0 V
HFL
0.5ms
5.0 V
TES
1
2
3
CUE
4
5
3
0.5ms
1.00 V
H.F
1
2
3
0.5ms
5.0 V
HFL
0.5ms
5.0 V
TES
REVIEW
4
5
3
0.5ms
10.0 V
JP+
0.5ms
10.0 V
JP-
0.5ms
0.50 V
JP
0.5ms
1.00 V
TE
6
7
9
8
6
7
9
8
50ms
10.0 V
JP+
CUE
50ms
10.0 V
JP-
50ms
0.50 V
JP
50ms
1.00 V
TE
6
7
9
8
6
7
9
8
11
10
11
10
12
12
REVIEW
50ms
10.0 V
JP+
50ms
10.0 V
JP-
50ms
0.50 V
JP
50ms
1.00 V
TE
0.5ms
10.0 V
JP+
0.5ms
10.0 V
JP-
0.5ms
0.50 V
JP
0.5ms
1.00 V
TE
PLAY
20ms
1.00 V
SPO
NORMAL DISC
TN0=01
20ms
2.00 V
CLV+
PLAY
TCD-712 (140mm)
TN0=01
50ms
1.00 V
SPO
50ms
2.00 V
CLV+
PLAY
TCD-712
5s
100mV
SLD
1
0.5s
100mV
SLD
1