Sony HCD-RV22 Service Manual page 53

Pin No. Pin Name
67 IVS4
68 DRCAS
69 LVD4
70 DRCK
71 IVD5
72 DRRAS
73 DRWEL
74 NVOEL
75 LVS4
76 DRBS
77, 78 DRDQM0, DRDQM1
79 IVS5
80 NC
81 SYSRST
82 IRDIN
83 NC
84 VDD1
85 V16M
86 DOUT
87 L CDLRCK
88 LRCK
89 VSS1
90 L CDDATA
91 PCMD
92 L CDBCK
93 BCK
94 EMPH
95 L SQSO
96 SQSO
97 VDD2
98 L SQCK
99 SQCK
100 SBSO
101 EXCK
102 DATA
103 L DDAT
104 VSS2
105 L CDXRST
106 XRST
107 MUTE
108 L XLAT
109 XLAT
110 L DCLK
111 CLOK
I/O
— Ground pin (for I/O)
O Column address strobe signal output to the D-RAM
— Digital power supply pin (+2.5 V) (for AV decoder block)
O Clock signal output to the D-RAM
— Power supply pin (+3.3 V) (for I/O)
O Row address strobe signal output to the D-RAM
O Write enable signal output to the D-RAM
O Chip select signal output to the D-RAM
— Digital ground pin (for AV decoder block)
O Bank select signal output to the D-RAM
O Mask control signal output to the D-RAM
— Ground pin (for I/O)
— Not used. (Open)
I Reset signal input from the system controller "L": reset
I IR data input pin Not used. (Open)
— Not used. (Open)
— Digital power supply pin (+2.5 V) (for CD-DSP block)
O Wide-band EFM PLL VCO2 oscillation output Not used. (Open)
O Digital audio signal output Not used. (Open)
I L/R sampling clock signal (44.1 kHz) input
O L/R sampling clock signal (44.1 kHz) output
— Digital ground pin
I Serial data input
O Serial data output
I Bit clock signal (2.8224 MHz) input
O Bit clock signal (2.8224 MHz) output
"L" is output when playback disc is emphasis off
O
"H" is output when playback disc is emphasis on Not used. (Open)
I Subcode-Q 80-bit, PCM peak and level data, CD text data input
O Subcode-Q 80-bit, PCM peak and level data, CD text data output
— Digital power supply pin (+2.5 V) (for CD-DSP block)
O SQSO readout clock signal output
I SQSO readout clock signal input
O Subcode P to W serial data ooutput Not used. (Open)
I SBSO readout clock signal input Not used. (Fixed at "L".)
I Serial data input
O Serial data output
— Digital ground pin
O Reset signal output "L": reset
I Reset signal input "L": reset
I Muting on/off control signal input. "H": muting on Not used. (Fixed at "L".)
O Serial data latch pulse signal output
I Serial data latch pulse signal input
O Serial data transfer clock signal output
I Serial data transfer clock signal input
HCD-RV22/RV55
Pin Description
53