Sony MZ-E30 Service Manual page 57

Pin Function
Pin No. Symbol
1
VDD ADC
2 VREF
3 RF
4 FE
5 ABCD
6 TE
7 ADIP
8 VRT
9 VRB
10 VSS ADC
11 T-COUNT
12 DEFECT
13 OFTRK
14 VSS
15
16
17
18
19
20
21 TFOUT
22 TROUT
23 FROUT
24 FFOUT
25 CK176
26
27
28
29 VDD
30
RESET
31 SBUS
32 SCK
33 SINT
34 XBUSY
35
36
37 VDD
38 EMP
39 LRCK
40
AUDATA
41 BCK
42 VSS
43 DOUT
44 PMCK
45 MCK/2
46 VSS
47 MCK I/O
48 XI
49 XO
50 MCK
I/O
— Power supply for ADC block
I Reference voltage input
I RF signal input
I Focus error input
I ABCD (all quantity of light) signal input
I
Tracking error input
I ADIP signal input
I ADC high potential reference voltage for RF
I ADC low potential reference voltage for other than RF
— Ground for ADC block
I
Tracking count signal input
I Defect signal input
I Off track signal input
— Ground
O Tracking servo output (1)
O Tracking servo output (2)
O Focus servo output (1)
O Focus servo output (2)
O 176.4 kHz (4 fs) output
— Power supply
I Reset input. Reset when "L".
I/O SBUS interface input/output
I SBUS clock input
O Interrupt signal output
O DRAM access status
— Power supply
O Emphasis output for DAC. ON when 'H".
O L/R clock output
O Audio data output
O Bit clock output
— Ground
O Digital output
O 1/4 divided output of MCK
O
1/2 divided output of MCK
— Ground
I Input/output direction switching of MCK. "L":output, "H":input.
I Crystal oscillation input (384 fs=16.93 MHz)
O Crystal oscillation output
I/O
Master clock input/output
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Function