Sharp MD-S301, Service Manual

Page: 39 / 52

MD-S301/S301W
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60 VX1 Input Vari-pitch PLL clock input
61* VPO Output Vari-pitch PLL phase error output
62 VDD1 — Digital Power
63 DGND — Digital GND
64 XI Input Oscillation circuit input 33.8688M
65 XO Output Oscillation circuit output 33.8688M
66* DIN Input Digital input signal
67* DOUT Output Digital output signal
68 VDD3 — Internal PLL power
69 DGND — Digital GND
70 LRCK Output Audio data Lch/Rch selection output
71 BLCK Output Audio data shift clock
72 DFCK Output AD/DA converter digital filter clock 256 Fs
73* ADDATA Input Audio data input
74 DADATA Output Audio data output
75* FEMON Output Focus error signal monitor output
76* TOTMON Output Total signal monitor output
77* TEMON Output Tracking error signal monitor output
78 SBCK Input DIN sub-code read clock. EIAJ CP-309 format
79* SBO Output DIN sub-code serial data. EIAJ CP-309 format
80* SBSY Output DIN sub-code block sync signal. EIAJ CP-309 format
81* SFSY Output DIN sub-code frame sync signal. EIAJ CP-309 format
82 FOK Output Focus OK detection signal. "0": Focus OK
83 SENSE Output Servo status detection signal. "1": Auto-move, auto-jump, auto-focus retraction
84 COUT Output Track cross signal output
85 MCCK Output Microcomputer clock output. Clock is output even when RSTX = 0.
86 DINTX Input System controller interface interruption request output terminal
87 VDD1 — Digital power
88 DGND — Digital GND
89 RSTX Input Chip reset input, L: Reset (note)
90 SYD0 Input/Output System controller interface data buss terminal (LSB)
91-96 SYD1-6 Input/Output System controller interface data buss terminal
97 SYD7 Input/Output System controller interface data buss terminal (MSB)
98 SYWRX Input System controller interface register write pulse input
99 SYRDX Input System controller interface register read pulse input
100 SYRS Input System controller interface register selection input
Pin No.
Terminal Name
Function
Input/Output
Note: Set RSTX to L when power is turned on or after power is turned on.
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC201 VHiLR376481-1 (LR376481): LSI Signal Processor (2/2)