Sharp MD-S301 - Page 41

MD-S301/S301W
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62 P46 RFLAT Output RF amp IC data latch output
63 P47 RACLK Output RF/audio IC data clock output
64 P50 RADAT Output RF/audio IC serial data output
65 P51 PBLAT Output Audio IC data latch output
66 P52 PWLED Output Power indicator output
67 P53 PBOPON Output Audio IC output stage control output
68*-71* P54-P57 P54-P57 Output Not used
72 VSS VSS — Ground potential
73 P60 EMPH Output Audio emphasis control output
74 P61 HPLAY Input Main unit PLAY key operation detection input
75* P62 P62 Output Not used
76 P63 HSTOP Input Main unit STOP key operation detection input
77*-80* P64-P67 P64-P67 Output Not used
81 VDD VDD — Positive power
82 TI5 SPIN Input Spindle motor FG pulse detection input
83 P101 P101 Output Sled motor control spare
84* P102 TEST0 Input Test mode setting input 0
85* P103 TEST1 Input Test mode setting input 1
86 P30 EPCS Output EEPROM chip select output
87 P31 EEPD Input/Output EEPROM serial data input/output
88 P32 EEPK Output EEPROM serial clock output
89 P33 P33 Output Sled motor control spare
90 P34 ELON Output Remote control EL light control output
91 T100 CIN Input Track cross signal detection input
92 P36 PHOLD Output Dry cell power ON holding output
93 P37 PCNT1 Output Power IC VREF supply control output
94 TEST/VPP VPP — TEST/F-ROM write power input
95 P90 PCNT2 Output Power IC VCC supply control output
96 P91 CKSTP Output Main clock stop control output
97 P92 DISCIN Input Disc insertion detection input
98 P93 INNSW Input Mechanism inner SW position detection input
99 P94 VBATC Output Constant voltage servo reference power selection
100 P95 PDCNT Output PD current control output for inner detection
IC401 RH-iX2677AF03 (IX2677AF): System Microcomputer (2/2)
Pin No.
FunctionPort Name Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
IC402 VHiS29L294A-1 (S29L294A): E
2
-PROM
1 CS Chip selection input
2 SK Serial clock input
3 DO Serial data output
4 DI Serial data input
5 GND Ground
6 PROTECT Memory protect control input
7* NC Not used
8 VCC Power
Pin No.
Terminal Name
Function
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.