Rxd-Nv301/Nv301E/Nv701/Nv701E Qq - Kenwood RXD-NV301 Service Manual

RXD-NV301/NV301E/NV701/NV701E
QQ
3 7 63 1515 0
Pin No. Pin Name
31 VDD
32 CEN MUTE
33 SURR MUTE
34 C/SW RLY
35 SURR RLY
36 SW MUTE
37 FRONT ON/OFF
38,39 OPORT6,7
40 VSS
41 VDD
42~44 RAMA9~7
45~47 SDOB2~0
48 SDBCK1
49 SDWCK1
50 VSS
51 VDD
52 NONPCM
53 CRC
54 MUTE
55 KARAOKE
56 SURENC
57 SDBCK0
58,59 RAMA6,5
60 VSS
61 RAMA4
62 IC
63 TEST
TE
L 13942296513
64 RAMA3
65 CSB
66 CS
67 SO
68 SI
69 SCK
70 RAMA2
71 VDD
72~79 RAMD0~RAMD7
80 VSS
81 VDD
82 SDWCK0
83 SDBCK0
84,85 SDIA0,SDIA1
86,87 RAMA1,0
88 RAMWEN
89 RAMOEN
90 VSS
91 VDD
92 IPORT7
93,94 IPORT6,5
95 IPORT4
96 IPORT3
97 IPORT2
98,99 IPORT1,0
100 VSS
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NOTE :I+ Input terminal with a pull-up resistor
8
CIRCUIT DESCRIPTION
I/O
- +5V power supply.
O Muting control of center channel.
O Muting control of surround channel.
O Center/sub woofer relay control.
O Surround relay control.
O Muting control of sub woofer channel.
O Control port of front channel on/off.
- Unused.
- Ground.
- +3.3V power supply (for core logic).
- Unused.
O PCM output from Sub DSP.
I+ Bit clock input for SDOA, SDIB, SDOB.
I+ Word clock input for SDOA, SDIB, SDOB.
- Ground.
- +3.3V power supply (for core logic).
- Unused.
- Unused.
- Unused.
- Unused.
- Unused.
- Unused.
- Unused.
- Ground.
- Unused.
I Initial clear.
- Unused.
- Unused.
I Sub DSP chip select.
I Microprocessor interface chip select input.
O Microprocessor interface serial data output.
I Microprocessor interface/Sub DSP serial data input.
I Microprocessor interface/Sub DSP clock input.
- Unused.
- +5V power supply.
- Unused.
- Ground.
- +3.3V power supply (for core logic).
I Word clock input for SDIA,SDOA,SDIB, SDOB.
I Bit clock input for SDIA,SDOA, SDIB, SDOB.
I AC-3 bitstream (or PCM) data input for main DSP.
- Unused.
- Unused.
- Unused.
- Ground.
- +3.3V power supply (for core logic).
I+ Analog signal input connection for the right.
I+ Analog signal input connections for the left channels.
I+ OPT 1 input terminal.
I+ Coaxial input terminal.
I+ To be connected to pin 85.
I+ Input terminal with a pull-up resistor.
- Ground.
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y
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8
Description
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