Service manual
CD-C422/C422C/C2800/C2800C
– 14 –
WAVEFORMS OF CD CIRCUIT
3
5ms
0.50 V
IC1 20 F.E
1
5ms
5.0 V
IC1 54 DRF
STOP PLAY
FOCUS SERCH
1
3
5
4
2
6
7
8
9
10
11
3
4
5
6
7
8
9
6
7
8
10
11
12
9
6
7
8
9
12
0.5ms
1.00 V
IC 41 42 HF
0.5ms
5.0 V
IC 37 HFL
0.5ms
5.0 V
IC 36 TES
1
2
3
CUE
0.5ms
1.00 V
IC 41 42 HF
1
2
3
0.5ms
5.0 V
IC 37 HFL
0.5ms
5.0 V
IC 41 42 TES
REVIEW
50ms
10.0 V
IC1 33 JP+
CUE
50ms
10.0 V
IC1 32 JP-
50ms
0.50 V
IC1 14 JP
50ms
1.00 V
IC1 7 TE
0.5ms
10.0 V
IC1 33 JP+
0.5ms
10.0 V
IC1 32 JP-
0.5ms
0.50 V
IC1 14 JP
0.5ms
1.00 V
IC1 7 TE
REVIEW
50ms
10.0 V
IC1 33 JP+
50ms
10.0 V
IC1 32 JP-
50ms
0.50 V
IC1 14 JP
50ms
1.00 V
IC1 7 TE
0.5ms
10.0 V
IC1 33 JP+
0.5ms
10.0 V
IC1 32 JP-
0.5ms
0.50 V
IC1 14 JP
0.5ms
1.00 V
IC1 7 TE
PLAY
TCD-712 (140mm)
TN0=01
50ms
1.00 V
IC1 27 SPO
50ms
2.00 V
IC1 13 CLV+
PLAY
TCD-712
5s
100mV
IC1 29 SLD
1
0.5s
100mV
IC1 29 SLD
1
PLAY
20ms
1.00 V
IC1 27 SPO
NORMAL DISC
TN0=01
20ms
2.00 V
IC1 13 CLV+