Sharp CDC2900 Service Manual - Page 53

IC701, RH-iX0280AWZZ:System Microcomputer IX0280AW 2/2

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CD-C622/C2900 IC701 RH-iX0280AWZZ:System Microcomputer (IX0280AW) (2/2) Pin No. Port Name Terminal Name Input/Output Function 56 P116 KEY JOG A 57 P115 KEY JOG B 58 P114 S MUTE 59* P113 C MUTE 60* P112 SR MUTE 61 P111 HI-CUT 62* P110 POWER 63 P107 SPRLY 64 P106 SP_DET 65 P105 SPN_P 66* P104 DISTOUT 67 P103/FIP32 DIAT4/P22 68 P102/FIP31 DIAT3/P21 69 P101/FIP30 DIAT2/P20/P15 70 P100/FIP29 DIAT1/P19/P16 71-78 79 80-100 FIP28-FIP21 P18/P13-P11/P7 VLOAD VLOAD FIP20-FIP0 P10/P6-G1/9G Input Input Output Output Output Output Output Output Input Input Output Input/Output Input/Output Input/Output Input/Output Output - Output KEY JOG INPUT A KEY JOG INPUT B SYSTEM MUTE CENTER MUTE SURROUND MUTE HI-CUT OUTPUT POWER OUTPUT SPEAKER OUTPUT RELAY CONTROL SPEAKER OUTPUT DETECTION TUNER SPAN CHANGE DISTINATION OUTPUT FL DISPLAY SEGMENT DRIVER DISTINATION INPUT FL DISPLAY SEGMENT DRIVER DISTINATION INPUT FL DISPLAY SEGMENT DRIVER DISTINATION INPUT FL DISPLAY SEGMENT DRIVER DISTINATION INPUT FL DISPLAY SEGMENT DRIVER FL DRIVER (-) POWER SUPP, -30V FL DISPLAY SEGMENT DRIVER In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside. - 53 -

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– 53 –
CD-C622/C2900
IC701
RH-iX0280AWZZ:System Microcomputer (IX0280AW) (2/2)
56
P116
KEY JOG A
Input
KEY JOG INPUT A
57
P115
KEY JOG B
Input
KEY JOG INPUT B
58
P114
S MUTE
Output
SYSTEM MUTE
59*
P113
C MUTE
Output
CENTER MUTE
60*
P112
SR MUTE
Output
SURROUND MUTE
61
P111
HI-CUT
Output
HI-CUT OUTPUT
62*
P110
POWER
Output
POWER OUTPUT
63
P107
SPRLY
Output
SPEAKER OUTPUT RELAY CONTROL
64
P106
SP_DET
Input
SPEAKER OUTPUT DETECTION
65
P105
SPN_P
Input
TUNER SPAN CHANGE
66*
P104
DISTOUT
Output
DISTINATION OUTPUT
67
P103/FIP32
DIAT4/P22
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
68
P102/FIP31
DIAT3/P21
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
69
P101/FIP30
DIAT2/P20/P15
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
70
P100/FIP29
DIAT1/P19/P16
Input/Output
FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
71-78
FIP28-FIP21
P18/P13-P11/P7
Output
FL DISPLAY SEGMENT DRIVER
79
VLOAD
VLOAD
—
FL DRIVER (–) POWER SUPP, –30V
80-100
FIP20-FIP0
P10/P6-G1/9G
Output
FL DISPLAY SEGMENT DRIVER
Port Name
Terminal Name
Pin No.
Input/Output
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Function