Service manual

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MD-MX30/MX30W
IC1401 RH-iX0326AWZZ:MD System Microcomputer (iX0326AW) (2/2)
Pin No.
Function
Terminal Name
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
52 SYS D2 In/Output SYS D2 (Data bus 2)
53 SYS D1 In/Output SYS D1 (Data bus 1)
54 SYS D0 In/Output SYS D0 (Data bus 0)
55* P37 Output Input/output port P37
56* P36 Output Input/output port P36
57* P35 Output Input/output port P35
58* P34 Output Input/output port P34
59* P33 Output Input/output port P33
60* P32 Output Input/output port P32
61 P31 Output Input/output port P31
62 Vcc Input +3.15V
63 INNSW Input Pick innermost periphery detection input
64 GND - GND
65 L3 DATA Output L3 DATA (software serial communication, with 2 modes available, LSB first)
66 L3 MODE Output L3 MODE (software serial communication, with 2 modes available, LSB first)
67 L3 CLK Output L3 CLK (software serial communication, with 2 modes available, LSB first)
68* P24 Output Input/output port P24
69* P23 Output Input/output port P23
70 PCNT0 Output PCNT0 output
71* PCNT1 Output Input/output port
72 LD ON Output LDON output(H:ON)
73 A/B Output ANLPTR output
74 SBSY Output ADPON output (for CK)
75* DAP ON Output DAPON output (for CK)
76* DFS0 Output DFS0 output
77* DFS1 Output DFS1 output
78 P12 Output Input/output port P12
79 P11 Output Input/output port P11
80 XRST Output XRST (System reset output)
81* AD MUTE Output ADMUTE output (for CK)
82 LD+ Output LD+ (Loading motor + (positive) control output)
83 LD- Output LD- (Loading motor - (negative) control output)
84* MUTE Output MUTE output
85* DOUTM Output DOUTM output (for CK)
86* TEST2 Input TEST2 (Special mode selection 2)
87* TEST1 Input TEST1 (Special mode selection 1)
88* TEST0 Input TEST0 (Special mode selection 0)
89 AVCK3 Input AVCK3(motor drive power monitor input)
90 AVCK2 Input AVCK2 (AD/DA section 3.1V monitor input)
91 AVCK1 Input AVCK1 (DOUT section 5V monitor input)
92 DTEMP Input DTEMP (Temperature detection input)
93 MINF Input MINF (Disc classification/REC input)
94* TEST K1 Input TEST K1(Test key input 1)
95* TEST K2 Input TEST K2(Test key input 2)
96 GND - GND
97* NC -
98 VREF - +3.15V
99 AVcc - +3.15V
100 PR Input Playing/recording setting input