Denon AVR-486, Руководство по обслуживанию

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13
AVR-1706/686/1506/486
14 Vss GND GND
15 X-IN I OSILATOR CONNECTION
16 Vcc1(+5V) 5V POWER 5V
17 NC I PULL UP
18 FLAG0 I EPROM chip select control for DSP
19 89057_INT I LC89057(IC807) INT SIGNAL INPUT
20 PROTECTION I PROTECTION SIGNAL INPUT
21 FLD/2090_CLK O BU2090(IC302) CLOCK/ LC75721(IC301) CLOCK
22 FLD_DATA O LC75721(IC301) DATA
23 FLD_CE O LC75721(IC301) CHIP ENABLE
24 9273_STB/CDR_TAPE_MUTE O TC9273-004(IC703) STB
25 9273/9164_DATA O TC9273-004(IC703) DATA
26 9273/9164_CLK O TC9273-004(IC703) CLOCK
27 9164_STB I/O OPEN
28 9274_STB/MIC_RLY O AVR1706: MIC RELAY (RLY702) CONTROL
29 90A69/1270_CLK O TC90A69(IC609) SCLOCK/TA1270BF(IC606) SCLOCK
30 90A69/1270_DATA I/O TC90A69(IC609) SDATA/TA1270BF(IC606) SDATA
31 RS232C_TX O UP GRADE PIN(TP301) TXD
32 RS232C_RX I UP GRADE PIN(TP301) RXD
33 9274_DATA O OPEN
34 9274_CLK O OPEN
35 PLL_DATA_IN I TUNER DATA IN
36 PLL_DATA_OUT O TUNER DATA OUT
37 PLL_CLK O TUNER PLL CLOCK
38 PLL_CE O TUNER PLL CHIP ENABEL
39 TUNED I TUNED SIGNAL INPUT
40 STEREO I STEREO SIGNAL INPUT
41 EPM(UP_GRADE) I UP GRADE PIN (TP301 EPM)
42 VOL_UP I MASTER VOLUME ENCODER(VEC301)
43 VOL_DOWN I MASTER VOLUME ENCODER(VEC301)
44 SEL_UP I SELECT ENCONDER(VEC302)
45 SEL_DOWN I SELECT ENCONDER(VEC302)
46 CE(UP_GRADE) I UP GRADE PIN (TP301 CE)
47 PWR_DOWN I POWER DOWN CONTROL INPUT
48 RDS_DATA I TDA7330BD(IC202) RDDR SIGNAL INPUT
49 ERR_MUTE O ERROR MUTE
50 BSE O DIGITAL SIGNAL MUTE
51 89057_ENPHA I LC89057(IC807) PRE EMPHASIS INFOMATION SIGNAL INPUT
52 SHARC_SDIN I SHARC(IC804) SERIAL DATA INPUT
53 89057_SD_IN I LC89057(IC807) D0 SIGNAL INPUT
54 EEPROM_RST O FLASH ROM(IC805) RESET
55 89057_RST O LC89057(IC807) RESET
56 SHARC_CE O SHARC(IC804) CHIP ENABEL
57 SHARC_SDOUT O CHARC(IC804) SERIAL DATA OUT
58 89057_CE O LC89057(IC807) CHIP ENABLE
59 89057/1837_SDOUT O LC89057(IC807) D1 SIGNAL / AD1837(IC808) CIN SIGNAL
60 89057/1837_SCLK O LC89057(IC807) CLOCK/ AD1837(IC808) CCLOCK
61 1837_RST O AD1837(IC808) RESET SIGNAL OUT (TO IC821)
62 Vcc2(+5V) 5V POWER 5V
63 SHARC_SCLK O SHARC(IC804) SPICLK
64 Vss GND GND
65 SHARC_RST O SHARC(IC804) RESET SIGNAL
66 1837_CE O AD1837(IC808) CLATCH
67 FLAG3 I Special flag for ROM updata
68 FLAG2 I DSP operation check flag
PIN
No.
PIN NAME I/O FUNCTION
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