Kenwood RD-DV5-S, Service Manual, Page: 18 / 61

RD-DV5-S/DV7-L/DV5MD-S
18
CIRCUIT DESCRIPTION
Port No. Port Name I/O Function
1,9,32,46,53,73,104
116,142,156,160,166
VDD - Digital supply voltage (+3.3V).
172,179,184,191,197
205
2~4,6~8,10,201
203,204,206,207
MA0~MA11 O SDRAM address 0~11
5,14,27,42,52,60,70
83,92,105,120,147
VSS - Digital ground.
157,163,169,176,182
186,194,200,208
11 CLK121 - Connected to digital ground.
12,37,66,79,96,112
145,174,188,202
LVDD - Digital supply voltage (+2.5V) for internal logic.
13 XRST I System reset input. L : Reset
15 CLK81 - Connected to digital ground.
16 PLLAVDD - Main PLL supply voltage (+3.3v).
17 TCPOUT O Unused.
18 PLLAVSS - Connected to digital ground.
19 CLK27 I System clock input (27MHz).
20 PLLTEST I Test input port for main PLL. L : Fixed
21 CKIO I Decode clock change-over.
22 PLLVDD - Supply voltage (+2.5V) of internal logic for main PLL..
23,24 HMD1,HMD0 - Connected to digital supply voltage (+3.3V).
25 XHINT O Interruption to DVD microcomputer. L : Active
26 XDK O Acknowledgment to DVD microcomputer. L : Active
28 XWR I Write enable from DVD microcomputer.
29 XRD I Read enable from DVD microcomputer.
30 XCS I Chip select from DVD microcomputer.
31 HCLK I Clock input from DVD microcomputer.
33~36,38~41
43~45
HA1~HA11 I Address input from DVD microcomputer.
47~51,54~59
61~65
HD0~HD15 I/O DVD microcomputer data bus 0~15.
67 AUDSTR I Valid signal of bit stream input data.
68 ARQ O Unused.
69 VSTR I Clock signal input for bit stream.
71 VRQ O Request of program stream.
72 AVRTM I Signal input of punctuation for sector.
74~78,80~82 STD0~STD7 I Bit stream parallel input 0~7.
Audio clock input.
fs= 48kHz: 768fs= 36.864MHz output
fs= 96kHz: 384fs= 36.864MHz output
84 EXTCK I fs= 192kHz: 192fs= 36.864MHz output
fs= 44.1kHz: 768fs= 33.8688MHz output
fs= 88.2kHz: 384fs= 33.8688MHz output
fs= 176.4kHz: 192fs= 33.8688MHz output
85 APLLVDD - Supply voltage (+2.5V) of internal logic for Audio PLL..
86 P5481 - Audio PLL ground.
87 PHCOPMO O Audio PLL phase comparison output.
88 APLLAVSS - Audio PLL ground.
89 NC - Unused.
90 APLLAVDD - Supply voltage (+3.3V) for Audio PLL..
91 ACKIO - Connected to digital ground.
92 VSS - Digital ground.
93 DCTEST - Connected to digital ground.
7. Port Function of AV decoder : MN677533MP (X35, IC301)