SONY DAVX1 Repair Manual

HCD-X1
MAIN BOARD IC506 CXD9862R (DSP)
Pin No.Pin NameI/ODescription
1VSS-Ground terminal
2XRSTISystem reset signal input from the system controller "L": reset
3EXTINIMaster clock signal input terminal Not used
4LRCKI3IL/R sampling clock signal (44.1 kHz) input terminal Not used
5VDDI-Power supply terminal (+1.8V)
6BCKI3IBit clock signal (2.8224 MHz) input terminal Not used
7PLOCKOPLL lock signal output terminal Not used
8VSS-Ground terminal
9MCLK1ISystem clock input terminal (13.9 MHz)
10VDDI-Power supply terminal (+1.8V)
11VSS-Ground terminal
12MCLK2OSystem clock output terminal (13.9 MHz)
13MSIMaster/slave setting terminal "L": internal clock, "H": external clock Fixed at "L" in this set
14SCKOUTOMaster clock signal output to the stream processor
15LRCKI1IL/R sampling clock signal (44.1 kHz) input from the digital audio interface receiver or servo DSP
16VDDE-Power supply terminal (+3.3V)
17BCKI1IBit clock signal (2.8224 MHz) input from the digital audio interface receiver or servo DSP
18SDI1IAudio serial data input from the digital audio interface receiver
19LRCKOOL/R sampling clock signal (44.1 kHz) output to the stream processor
20BCKOOBit clock signal (2.8224 MHz) output to the stream processor
21VSS-Ground terminal
22KFSIOIAudio clock signal input from the digital audio interface receiver or servo DSP
23 to 25 SDO1 to SDO3OAudio serial data output to the stream processor
26SDO4OAudio serial data output terminal Not used
27SPDIFOSPDIF signal output terminal Not used
28LRCKI2IL/R sampling clock signal (44.1 kHz) input from the digital audio interface receiver or servo DSP
29BCKI2IBit clock signal (2.8224 MHz) input from the digital audio interface receiver or servo DSP
30SDI2IAudio serial data input from the A/D converter or servo DSP
31VSS-Ground terminal
32HACNOAcknowledge signal output to the system controller
33HDINISerial data input from the system controller
34HCLKISerial data transfer clock signal input from the system controller
35HDOUTOSerial data output to the system controller
36HCSIChip select input from the system controller
37GP12IWrite signal input from the system controller
38GP13OSD-RAM chip enable output terminal Not used
39GP14ORow address strobe signal output terminal Not used
40VDDI-Power supply terminal (+1.8V)
41VSS-Ground terminal
42GP15OColumn address strobe signal output terminal Not used
43OE0OOutput terminal of data input/output mask Not used
44CS0OChip select signal output to the S-RAM
45SW0OWrite enable signal output to the S-RAM
46VDDE-Power supply terminal (+3.3V)
47WMD1IExternal memory wait mode setting terminal Fixed at "H" in this set
87