Sharp CD-E700 Service Manual - Page 46

IC701 RH-iX0553AWZZ: System Microcomputer IX0553AW 2/2

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CD-E700/CD-E77 IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function 54 P120 O/C SW Input CD OPEN/CLOSE SW. 55 P117 MIC SW Input Mic switch input. 56* P116 KARA_LATCH Output Karaoke latch. (When not used. Connect to 0 V.) 57* P115 58* P114 NO USE NO USE Output Output Open. Open. 59* P113 60* P112 NO USE NO USE Output Input Open. Open. 61* P111 NO USE Output Open. 62* P110 NO USE Input Open. 63 P107 ILU_LED1 Output Illumination LED1. 64* P106 ILU_LED2 Output Illumination LED2. 65* P105 66* P104 ILU_LED3 FOR PLY_LED Output Output Illumination LED3. Forward play LED. 67* P103 68* P102 REV PLY_LED STOP_LED Output Output Reverse play LED. Stop LED. 69 FIP30 DIST Input Distination input. 70 FIP29 S21 Output FL segment driver. 71-74 P97-P94 DIST 0-DIST 3 Output Distination output. 75-78 FIP24-FIP21 S16-S13 Output FL segment driver. 79 80-91 VLOAD FIP20-FIP9 VLOAD S12-S1 Input Output FL driver power supp. -30 V FL segment driver. 92-100 FIP8-FIP0 G9-G1 Output FL grid driver. In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. - 46 -

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CD-E700/CD-E77
– 46 –
IC701 RH-iX0553AWZZ: System Microcomputer (IX0553AW) (2/2)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Port Name
Terminal Name
Pin No.
Input/Output
Function
54
P120
O/C SW
Input
CD OPEN/CLOSE SW.
55
P117
MIC SW
Input
Mic switch input.
56*
P116
KARA_LATCH
Output
Karaoke latch. (When not used. Connect to 0 V.)
57*
P115
NO USE
Output
Open.
58*
P114
NO USE
Output
Open.
59*
P113
NO USE
Output
Open.
60*
P112
NO USE
Input
Open.
61*
P111
NO USE
Output
Open.
62*
P110
NO USE
Input
Open.
63
P107
ILU_LED1
Output
Illumination LED1.
64*
P106
ILU_LED2
Output
Illumination LED2.
65*
P105
ILU_LED3
Output
Illumination LED3.
66*
P104
FOR PLY_LED
Output
Forward play LED.
67*
P103
REV PLY_LED
Output
Reverse play LED.
68*
P102
STOP_LED
Output
Stop LED.
69
FIP30
DIST
Input
Distination input.
70
FIP29
S21
Output
FL segment driver.
71-74
P97-P94
DIST 0-DIST 3
Output
Distination output.
75-78
FIP24-FIP21
S16-S13
Output
FL segment driver.
79
VLOAD
VLOAD
Input
FL driver power supp. -30 V
80-91
FIP20-FIP9
S12-S1
Output
FL segment driver.
92-100
FIP8-FIP0
G9-G1
Output
FL grid driver.