Sony MDS-JA50ES Service Manual page 69

• IC203 Digital Audio Interface Receiver (LC89051V-TLM)/DIG board
Pin No. Pin Name
1 DIN1
2 DIN2
3 E/DOUT
4 VDD
5 R
6 VIN
7 VCO
8 GND
9 CKSEL
10 XMODE
11 AVOCK
12 TST1
13 TST2
14 SCLK
15 XLAT
16 SWDT
17 SRDT
18 DQSY
19 CKOUT
20 FS128
21 BCK
22 LRCK
23 DATAOUT
24 ERROR
I/O
I Data input with built-in amplifier (responding to the coaxial optical module)
I Data input (responding to the optical module) (Not used)
O Emphasis, input bi-phase, validity flag output (Not used)
— Power supply (+5V)
I VCO gain control input
I VCO freerunning frequency setting input
O LPF setting of PLL
— Ground
I System clock select input (384fs, 512fs) (Fixed at "H")
I Reset input
I Clock input for preventing PLL lock failure
I
Test input (Normally "L")
I
I Microcomputer IF clock input
I Microcomputer IF latch/chip enable input
I Microcomputer IF write data input
O Microcomputer IF read data output
O Microcomputer IF Sub-Q sync and ID sync output
O VCO clock output (freerunning, 384fs, 512fs)
O 128fs clock output (Not used)
O Bit clock output
O L/R clock output
O Audio data output
O PLL lock error mute output
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Function