Sharp CD-PC671H Service Manual page 59

IC701 RH-iX0281AWZZ:System Control Microcomputer (IX0281AW) (2/2)
Pin No. Port Name
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 FIP28-FIP21 P18/P13-P11/P7
79 VLOAD VLOAD
80-100 FIP20-FIP0 P10/P6-G1/9G
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Terminal Name Input/Output
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
– 59 –
CD-PC671H/651H
Function