Sharp CD-MD3000H Service Manual

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CD-MD3000H/CD-MD3000W
IC1401 RH-iX0349AWZZ: MD System Microcomputer (IX0349AW) (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 Input/Output SYS D2 (data bus 2)
53 SYS D1 Input/Output SYS D1 (data bus 1)
54 SYS D0 Input/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 Input Input/output port P31
62 Vcc Input +3.15V
63 INNSW Input Pick most inner periphery detection input
64 GND – GND
65 L3 DATA Output L3 DATA (soft serial communication, 2 mode presence, LSB first)
66 L3 MODE Output L3 MODE (soft serial communication, 2 mode presence, LSB first)
67 L3 CLK Output L3 CLK (soft serial communication, 2 mode presence, LSB first)
68* P24 Output Input output port P24
69* P23 Output Input output port P23
70 PCNT0 Output PCNT0 output
71* LAST Output LAST
72 LD ON Output LDON output (H : ON)
73 A/B Input ANLPTR output. ADC/DAC selection input.
74 SBSY Input Subcode communication block synchro input.
75* DAP ON Output DAPON output (for CK)
76* DFS0 Output DFS0 output
77* DFS1 Output DFS1 output
78 P12 Input Input output port P12
79 P11 Input Input/output port P11
80 XRST Output XRST (system reset output)
81* AD MUTE Output ADMUTE output (for CK)
82 LD+ Output Loading motor + side control output
83 LD- Output Loading motor - side control output
84* MUTE Output MUTE output
85* RAST Output RAST
86* TEST2 Input TEST 2
87* TEST1 Input TEST 1
88* TEST0 Input TEST 0
89 AVCK3 Input AVCK3 (motor driver power monitor input)
90 AVCK2 Input AVCK2 (AD/DA section 3.1 V monitor input)
91 AVCK1 Input AVCK1 (head circuit power monitor input)
92 DTEMP Input DTEMP (temperature detection input)
93 MINF Input MINF (disc type/REC input/mecha position)
94* TEST K1 Input TEST K1
95* TEST K2 Input TEST K2
96 GND – GND
97* NC – Not used
98 VREF – +3.15V
99 AVcc – +3.15V
100 PR Input Playback/recording unit setting input

Sharp CD-MD3000H Specifications

General

Brand	Sharp
Model	CD-MD3000H
Category	Stereo System
Language	English