Sharp DX-SX1H Service Manual page 53

IC606 RH-iX1473GEZZ: Digital Servo (IX1473GE) (1/3)
Terminal
Pin No.
Input/Output
Name
1 VSS
2 BCK Output
3 AOUT Output
4 DOUT Output
5* MBOV Output
6 IPF Output
7* SBOK Output
8* CLCK Input/Output
9 VDD
10 VSS
11* DATA Output
12* SFSY Output
13 SBSY Output
14* SPCK Output
15* SPDA Output
16* COFS Output
17* MDNIT Output
18 VDD
19 TESIO0 Input
20 P2VREF
21* SPDO Output
22* PDOS Output
23 PDO Output
24* TMAXS Output
25 TMAX Output
26 LPFN Input
27 LPFO Output
28 PVREF
29 VCOREF Input
30 VCOF Output
31 AVSS
32 SLCO Output
33 RFI Input
34 AVDD
35 RFCT Input
36 REZI Input
37 RFRP Input
38 FEI Input
39 SBAD Input
40 TSIN Input
41 TEI Input
42 TEZI Input
43 FOO Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
— Digital ground terminal
Bit clock (1.4122 MHz) output terminal
Audio data output terminal
Digital-out output terminal
When buffer memory over signal output terminal is over: "H"
When AOUT output of correction flag output terminal shows the correction impossible
symbol: "H"
When CRCC judgment result output terminal of sub-code Q data shows OK: "H"
Can be selected by using the clock output/input terminal command bit for reading
sub-code P-W data.
— Digital + power terminal
— Digital ground terminal
Sub-code P-W data output terminal
Reproductive frame sync signal output terminal
When sub-code sync of sub-code block sync output terminal is detected: "H" at the
position of SI
Output terminal of the clock (176.4 kHz) for reading processor status signals
Processor status signal output terminal
Correction frame clock (7.35 kHz) output terminal
Can monitor DSP internal flag and PLL clock by using microcomputer commands of
LSI internal signal monitor terminal
— Digital + power terminal
Test input/output terminal. Normally fixed at "L".
— PLL special 2VREF terminal
VCO center frequency shift terminal
Phase error (between EFM and PLCK) signal output terminal
(to be used in case of 8-time speed operation)
Output terminal for phase error signal between EFM signal and PLCK signal
TMAX detection result output terminal. Selected by command bit TMPS.
TMAX Detection result
Longer than the specified frequency
Shorter than the specified frequency
Within the specified frequency
Inversion input terminal of amplifier for low-pass filter
Output terminal of amplifier for low-pass filter
— VREF terminal for PLL system
VCO center frequency reference level terminal. Normally fixed at "PVREF".
Filter terminal for VCO
— Analog system ground terminal
Output terminal of DAC for generating data slice level
RF signal input terminal
— Analog power terminal
RFRP signal center level input terminal
Input terminal for RFRP zero-cross
RF ripple signal input terminal
Focus error signal input terminal
Sub-beam adding signal input terminal
Test input terminal. Normally fixed at "Vref".
Tracking error signal input terminal (Input when tracking servo is ON.)
Input terminal for tracking error zero cross
Focus equalizer output terminal
Function
TMAX Output
"P2VEFF"
"VSS"
"HiZ"
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DX-SX1H
Remarks