Sharp CD-MD3000 (serv.man20) Service Manual ▷ View online
CD-MD3000H/CD-MD3000W
– 86 –
WAVEFORMS OF MD CIRCUIT
POWER ON
TOC READ (Low reflection disc)
TOC READ (Low reflection disc)
TOC READ (Low reflection disc)
PLAY (Low reflection disc)
PLAY (Low reflection disc)
TOC READ (High reflection disc)
TOC READ (High reflection disc)
TOC READ (High reflection disc)
STOP > PLAY
TP1518
(RESET)
TP1510
(MD-ST)
TP1800
(3.2V)
TP1122
(F+)
TP1212
(FEMON)
TP1212
(FEMON)
TP1422
(DSENSE)
TP1420
(FOK)
TP1201
(EFMMON)
TP1135
(ADIPO)
TP1207
(TEMON)
TP1122
(F+)
TP1207
(TEMON)
TP1603
(SP+)
TP1602
(SP-)
TP1122
(F+)
TP1122
(F+)
TP1207
(TEMON)
TP1603
(SP+)
TP1602
(SP-)
TP1451
(ADJUST)
TP1122
(F+)
TP1212
(FEMON)
TP1207
(TEMON)
TP1451
(ADJUST)
TP1122
(F+)
TP1207
(TEMON)
TP1601
(SLD+)
TP1600
(SLD-)
TP1122
(F+)
TP1207
(TEMON)
TP1601
(SLD+)
TP1600
(SLD-)
1
2
3
4
4
6
10
11
4
6
10
11
4
5
12
13
14
15
5
6
7
4
5
6
7
4
6
8
9
4
6
8
9
– 87 –
CD-MD3000H/CD-MD3000W
REC
Analog REC
Digital REC
Double speed REC
PLAY
PLAY(1kHz 0dB)
PLAY
TP1201
(EFMMON)
TP1201
(EFMMON)
TP1530
(CDLRCK)
TP1515
(DIGIN)
TP1533
(CDDATA)
TP1524
(L OUT)
TP1526
(R OUT)
TP1531
(CDBCK)
TP1207
(TEMON)
TP1207
(TEMON)
TP1121
(T+)
TP1421
(CIN)
TP1121
(T+)
TP1421
(CIN)
72
IC1201
(DFCK)
72
IC1201
(DFCK)
TP1300
(REC HEAD)
TP1302
(EFMO)
TP1105
(LDVAL)
TP1113
(R/P)
71
IC1201
(BCLK)
3
IC1202
(WE)
17
IC1202
(CAS)
1
IC1202
(I/01)
6
IC1202
(A0)
70
IC1201
(LRCK)
74
IC1201
(DADATA)
71
IC1201
(BCLK)
70
IC1201
(LRCK)
73
IC1201
(ADDATA)
PLAY (Low reflection disc)
PLAY (High reflection disc)
14
28
29
30
31
18
32
20
21
33
34
35
36
6
16
17
14
6
16
17
18
19
20
21
22
23
24
25
26
27
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