Sharp CDC2900 Service Manual - Page 16
Waveforms Of Cd Circuit
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UPC - 074000410244
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CD-C622/C2900 1 5ms 0.50 V IC1 20 F.E 2 5ms 5.0 V IC1 54 DRF 3 0.5ms 1.00 V HF 4 0.5ms 5.0 V HFL 5 0.5ms 5.0 V TES 3 0.5ms 1.00 V HF 4 0.5ms 5.0 V HFL 5 0.5ms 5.0 V TES 6 50ms 10.0 V JP+ 7 50ms 10.0 V JP- 8 50ms 0.50 V JP 9 50ms 1.00 V TE 6 0.5ms 10.0 V JP+ 7 0.5ms 10.0 V JP- 8 0.5ms 0.50 V JP 9 0.5ms 1.00 V TE 6 50ms 10.0 V JP+ 7 50ms 10.0 V JP- 8 50ms 0.50 V JP 9 50ms 1.00 V TE WAVEFORMS OF CD CIRCUIT STOP FOCUS PLAY SERCH 3 1 6 0.5ms 10.0 V JP+ 7 0.5ms 10.0 V JP- 8 0.5ms 0.50 V JP 9 0.5ms 1.00 V TE CUE 1 2 3 10 20ms 1.00 V SPO 11 20ms 2.00 V CLV+ REVIEW 1 2 3 CUE 50ms 10 1.00 V SPO 11 50ms 2.00 V CLV+ 12 5s 100mV SLD REVIEW 12 0.5s 100mV SLD PLAY NORMAL DISC TN0=01 PLAY TCD-712 (140mm) TN0=01 PLAY TCD-712 1 1 - 16 -
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CD-C622/C2900
– 16 –
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
HF
0.5ms
5.0 V
HFL
0.5ms
5.0 V
TES
1
2
3
CUE
0.5ms
1.00 V
HF
1
2
3
0.5ms
5.0 V
HFL
0.5ms
5.0 V
TES
REVIEW
50ms
10.0 V
JP+
CUE
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
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