Denon BU4500 - Dual Drive DJ CD Player, Руководство по обслуживанию

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DN-D4500 / BU4500
34 PC5,NMI_ NMI I - - - - Connect to Power
35 RST_ RST_ I - - - - ucom reset
36 PC0 _MUTE O Pd L Mute signal (L: Mute)
37 P76,TM13IOA LOAD2 O - Tray Loading / Eject signal (PWM output) (Driver2)
38 P60,IRQ0 FSYNC1 I iPu X2: Clock for playback interrupt input / X1: LRCK (MP3)
39 P61,IRQ1 BLKCK1 I iPu Sub cord clock interrupt (Servo DSP1)
40 P62,IRQ2,TM10IOA FSYNC2 I iPu X2: Clock for playback interrupt input / X1: LRCK (MP3)
41 P63,IRQ3,TM10IOB DQSY1 I iPu CD-TEXT DQSY interrupt (Servo DSP1)
42 P64,IRQ4 O iPu
43 P65,IRQ5,TM12IOA O iPu
44 P66,IRQ6 BLKCK2 I iPu Sub cord clock interrupt (Servo DSP2)
45 P67,IRQ7 DQSY2 I iPu CD-TEXT DQSY interrupt (Servo DSP2)
46 P70,TM13IOB EJECTSW2 I iPu CD2 Eject SW
47 P71 LED2 O Pu L Tray LED (CD2)
48 PD2,DMAACK0_ CHGOFT1 O Pu L H Off-track signal (CD1)
49 PD3,TM3IO DAC1MLD O iPu H Hiz PCM1748_1 Control Latch output signal
50 VDD VDD - - - - - Power (+3.3V)
51 P77,TM14IOA LOAD1 O - Hiz Tray Loading / Eject signal (PWM output) (Driver1)
52 P72,TM14IOB MON2_M1 I iPu Servo DSP1 monitor signal 2
53 P73 _LSI_RESET1 O Pd L L Servo DSP1 / 2 reset signal
54 P74 MLD1 O iPu H Hiz Servo DSP1 latch output signal
55 P75,TM12IOB _LSI_RESET2 O Pd L L Not used
56 PA0,SBI0 STAT1 I iPu Servo DSP1 interface receive (clock sync)
57 PA1,SBO0 MDATA1 O Servo DSP1 interface send (clock sync)
58 PA2,SBT0 MCLK1 O Servo DSP1 interface clock (clock sync)
59 PA3,SBI1 STAT2 I iPu Servo DSP2 interface receive (clock sync)
60 PA4,SBO1 MDATA2 O Servo DSP2 interface send (clock sync)
61 PA5,SBT1 MCLK2 O Servo DSP2 interface clock (clock sync)
62 PB0,SBI2 DSPTXD(RXD) I Pu H DSP interface receive (UART)
63 PB1,SBO2 DSPRXD(TXD) O Pu H DSP interface send (UART)
64 PB2,SBT2 O iPu L
65 PB3,SBI3 RXDRC I Pu RCD45 interface receive (UART)
66 PB4,SBO3 TXDRC O Pu RCD45 interface send (UART)
67 PB5,SBT3 O iPu L
68 VDD VDD - - - - - Power (+3.3V)
69 VSS VSS - - - - - GND
70 AVSS AVSS - - - - - Analog ref. GND for A/D conversion, GND
71 Vref- Vref- - - - - - Analog ref. V for A/D conversion, GND
72 P80 OPENSW1 I Pu CD1 Tray open SW L:ON
73 P81 CLOSESW1 I Pu CD1 Tray close SW L:ON
74 P82 INSW1 I Pu CD1 Inner SW L:ON
75 P83 FPLAY1 I Pu Fader PLAY1 input
76 P84 FCUE1 I Pu Fader CUE1 input
77 P85 FPLAY2 I Pu Fader PLAY2 input
78 P86,AD06 FCUE2 I Pu Fader CUE2 input
79 P87,AD07 MON2_M2 I iPu Servo DSP2 monitor signal 2
80 PD4 MLD2 O iPu Servo DSP2 latch output signal
81 PD5 CHGOFT2 O Pu Off track signal (CD2)
82 P90 DAC2MLD O iPu PCM1748_2 Control Latch output signal
83 P91 O iPu Reserved
84 P92 DEBUG1 I iPu
DSP
→
SYSTEM Reserved (CD1)
85 P93 DEBUG2 I iPu
DSP
→
SYSTEM Reserved (CD2)
86 Vref+ Vref+ - - - - - Analog ref. V for A/D conversion, +3.3V
87 AVDD AVDD - - - - - Power (+3.3V)
88 P94 LDEND1 I iPu Loading end (CD1)
89 P95 DSPIF1 O iPu Flag1 for DSP
90 P96,DAC2 DSPIF0 O iPu Flag0 for DSP
91 P97,DAC3 _DSPRES O Pd DSP reset signal L: RESET
92 PC6,BREQ_ _BREQ I Pu Bus request signal
93 PC7,BRACK_ _BRACK O Pu Bus request accept signal
94 WEL_ WE_ O - Pu - H Ext. memory write enable (Lower 8 bit)
95 P51 _BOOT O Pu DSP boot start signal L: START
96 RE_ RE_ O - Pu - H Ext. memory read enable
97 CS2_ CS2_ O - - - - Ext. memory chip select 2 (Not used)
98 VDD VDD - - - - - Power (+3.3V)
99 VSS VSS - - - - - GND
Pin No. Pin Name Simbol I/O DET Ext Ini Res Function