Kenwood KRF-V7773D Service Manual page 11

No. Pin Name
21 SUB_MUTE
22 DAIN_MUTE
23 NC
24 PCM ZERO
25 D.R.I.V.E.
26 HDCD_6dB
27 OVER_LEVEL
28 DTS_SENS
29 MUTE
30 HDCD
31 BUSY
32 DSP_RESET
33 RD/WR
34 REQ
35 ACK
-43 DATA_7-0
44 NC
45 GND
46 TEST
47 MREQ
48 SREQ
49 MCK
50 MDT
51 SDT
52 Y_C_SEL_B
53 Y_C_SEL_A
54 DAC96
55 VDD
-58 DSEL_C-A
59 CTRL_A2
60 OPT_DET
61 AD_RESET
62 DAOUT_MUTE
63 DAC_PD
,65 VDD
66 GND
,68 NC
,70 VCC
71 -
72 Y_DETECT
73 ERF
74 AUTO
75 FS96
76 CCLK
77 C_K_DETECT
78 C_DETECT
79 CDTO
80 CDTI
KRF-V7773D/V7773D-B/V9993D
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CIRCUIT DESCRIPTION
I/O
O Sub Microcomputer Analog Mute
I DAC Input Mute
I Unused
I PCM Zero Data Detection(KPCM)
O DSP DRIVE/HDCD Control(KPCM) L: DRIVE/HDCD on
I DSP HDCD +6dB Detection
I DSP Over Level Detection
I DSP DTS Header Detection(KPCM)
O DSP Mute Control
I DSP HDCD Signal Detection
I DSP Status BUSY
O DSP IC Reset
O DSP RD/WR
O DSP REQ
I DSP ACK
I/O DSP DATA_7-0
- Unused
- Connected to GND
- Connected to GND
I Main Computer Master Request
O Main Computer Slave Request
I Main Computer Master Clock
I Main Computer Master Data
O Main Computer Slave Data
O Y/C Select B
O Y/C Select
O DAC Double speed sampling mode control
- +5V Power Supply
O Digital Input Selector Control C-A
O Video Selector Control A2
O OPTICAL Digital Input Detection (A/Din)
O ADC Reset
O DAC Output Mute
O DAC Power Down
- +3.3V Power Supply
- Connected to GND
- Unused
+3.3V Power Supply
- Unused
I Y Detect
I DIR Error Flag
I DIR Auto Data Detection
I DIR fs 96kHz Detection
O DIR Control Clock
I C K Detection
I C Detection
I DIR Control Data Out
O DIR Control Data In
Description
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