Marantz 74 CD7, Руководство по обслуживанию

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9 10
7. BLOCK DIAGRAM
Q102 SAA7372GP
Q103
Q104
Q304 TDA1315
8. FLAG No.
No. Flag Name Function
0 MT-OUT Motor Drive Output
1 HF-OUT TDA1302T HF signal output
2
3
HF-HPF HF Signal HPF Output
4 LDON Laser Diode Control Signal
5
6
RA Radial Motor Control Signal(PDM)
7 FO Focus Motor Control Signal(PDM)
8 SL Slegde Motor Control Signal(PDM)
9
10 DIGO Digital Audio Output Signal
11 CDR7 CD7(SAA7372) Reset Pulse
12 SILD CD7(SAA7372) Servo Parte enable Signal
13 RAB7 CD7(SAA7372) Decorde and DSP parte enable signal
14 SCDC CD7(SAA7372) data clock out signal
15 WCDC CD7(SAA7372) data word clock out signal
16 SIIO Servo pcb and Main pcb comunicateing signal
17
18
LRCK SM5844AF(Q309) word clock signal
19
20
21
DADC CD7(SAA7372) data out(16bit) signal
22 36MHz Sampling frequency 48KHz/32KHz Master clock
23 33MHz Sampling frequency 44KHz Master clock
24 SDA From CPU(QF01) TO TDA1315H(Q304) data signal
25 SCL From CPU(QF01) TO TDA1315H(Q304) clock signal
26
27
REST CPU(QF01) Power on reset
28 RCDK Main pcb SIIO Latch pulse for(Q501,Q502,Q503)
29 RCDG SERVO PCB SIIO Latch pulse for QF06
30
31
32
33
34
35
OSC CPU(QF01) self clock
36 OSC CPU(QF01) self clock
37
38
39
40
41
LOCK TDA1315H(Q304) unlock delayed output signal
42 EMPA TDA1315H(Q304) Deemphasis output signal
43 DACD CD7(SAA7372) data out signal
44
45
46
47
48
DMUT from CPU(QF01) to TDA1315H(Q304) muting signal
49
50
FS32 TDA1315H(Q304) 32k Sampling detected signal
51 FS44 TDA1315H(Q304) 44.1k Sampling detected signal
52 FS48 TDA1315H(Q304) 48k Sampling detected signal
53 SD TDA1315H(Q304) data output signal
54 WS TDA1315H(Q304) Word select output signal
55 SCK TDA1315H(Q304) data clock output signal
56 FRQ2 CD7(SAA7372) Operating clock out signal
57 UNLOCK TDA1315H(Q304) unlock output signal
58
59
COAX2 Digtal I/O input COAX2 signal
60 OPT0 Digtal I/O input OPTICAL signal
61
62
63
64
65
66
OUT+ Correct phase AUDIO SIGNAL
67 OUT- Inverse phase AUDIO SIGNAL
68
69
REMU Relay mute by POWER ON/OFF and selecting FILTER mode
70
71
72
73
74
75
76
77
78
79
768FS Master clock selecting output
80 256FS Master clock divided output
81 128FS Master clock divided output
82 4FS 176.4KHz before Word select signal
83 WSDA Word select for DSP(Q509) and DAC(QD03,QD53) 176.4KHz
84 FMUT Filter select switching on time unenable for DAC
85 CLDA DSP(Q509) data clock signal
86 BCEN DSP(Q509) data clock enable signal for DAC
87 BCDA for DAC(QD03,QD53) data clock 5.6448MHz
88
89
90
91
92
93
94
95
96
97
98
99