Yamaha RX-V320, Руководство по обслуживанию

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29
RX-V320
No. Name I/O Function
1 VDD1 +5V power supply
2 RAMCEN O RAM chip enable output terminal (normally unconnected)
3 RAMA16 O RAM address output terminal 16, connected to external 1M SRAM address
4 RAMA15 O RAM address output terminal 15, connected to external 1M SRAM address
5 SDIB0 I Serial data input B terminal 0 (normally connected to ground)
6 SDIB1 I Serial data input B terminal 1 (normally connected to ground)
7 SDIB2 I Serial data input B terminal 2 (normally connected to ground)
8 XI I
I
Crystal oscillator connection or external clock input terminal, connected to external DIR2 external clock output
9 XO O Crystal oscillator connection (normally unconnected)
10 VSS Ground
11 AVDD +3V power supply
12 SDIB3 Serial data input B terminal 3 (normally unconnected)
13 TEST Test terminal (normally unconnected)
14 TEST Test terminal (normally unconnected)
15 OVFB O
O
O
O
Overflow detect terminal (normally unconnected)
16 DTSDATA DTS data detect terminal (normally unconnected)
17 AC3DATA AC-3 data detect terminal (normally unconnected)
18 SDOB3 Serial data output B terminal 3 (normally unconnected)
19 CPO O PLL output terminal (connected to AVSS through external analog filter)
20 AVSS Ground
21 VDD +3V power supply
22 SDOA2 O Serial data output A terminal 2 (normally unconnected)
23 SDOA1 O Serial data output A terminal 1 (normally unconnected)
24 SDOA0 O Serial data output A terminal 0 (normally unconnected)
25 RAMA14 O RAM address terminal 14 output terminal, connected to external 1M SRAM address
26 RAMA13 O RAM address terminal 13 output terminal, connected to external 1M SRAM address
27 RAMA12 O RAM address terminal 12 output terminal, connected to external 1M SRAM address
28 RAMA11 O RAM address terminal 11 output terminal, connected to external 1M SRAM address
29 RAMA10 O RAM address terminal 10 output terminal, connected to external 1M SRAM address
30 VSS Ground
31 VDD1 +5V power supply
32 OPORT0 O Output expansion port terminal 0, digital input selector A output
33 OPORT1 O Output expansion port terminal 1, digital input selector B output (DIB*)
34 OPORT2 O Output expansion port terminal 2, connected to external CODEC initial clear input
35 OPORT3 O Output expansion port terminal 3, connected to external DIR2 compulsive analog performance mode input
36 OPORT4 O Output expansion port terminal 4, connected to external DIR2 initial clear input
37 OPORT5 O Output expansion port terminal 5 (normally unconnected)
38 OPORT6 O Output expansion port terminal 6 (normally unconnected)
39 OPORT7 O Output expansion port terminal 7 (normally unconnected)
40 VSS Ground
41 VDD2 +3V power supply
42 RAMA9 O RAM address output terminal 9 , connected to external 1M SRAM address
43 RAMA8 O RAM address output terminal 8 , connected to external 1M SRAM address
44 RAMA7 O RAM address output terminal 7 , connected to external 1M SRAM address
45 SDOB2 O Serial data output B terminal 2, connected to external CODEC PCM audio data output
46 SDOB1 O Serial data output B terminal 1, connected to external CODEC PCM audio data output
47 SDOB0 O Serial data output B terminal 0, connected to external CODEC PCM audio data output
48 SDBCK1 I Serial data bit clock input terminal 1, connected to external DIR2 64fs bit clock output
49 SDWCK1 I Serial data word clock input terminal 1, connected to external DIR2 1fs word clock output
50 VSS Ground
IC4 : YSS918D-F (AC3D2av)
DSP + AC-3(Dolby Digital)/ Pro Logic/ DTS Digital Surround Decoder
* Digital input
Selector Control
(H=High, L=Low)
Digital Input DIB(Pin33)
DVD/LD L
SAT/D-TV H
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