Fl Display - Sharp CD-PC672 Service Manual

IC701 RH-iX0301AWZZ:System Control Microcomputer (IX0301AW) (2/2)
Pin No. Port Name Terminal 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.
Input/Output
Input KEY JOG INPUT A
Input KEY JOG INPUT B
Output SYSTEM MUTE
Output CENTER MUTE
Output SURROUND MUTE
Output HI-CUT OUTPUT
Output POWER OUTPUT
Output SPEAKER OUTPUT RELAY CONTROL
Input SPEAKER OUTPUT DETECTION
Input TUNER SPAN CHANGE
Output DISTINATION OUTPUT
Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
Input/Output FL DISPLAY SEGMENT DRIVER
DISTINATION INPUT
Output FL DISPLAY SEGMENT DRIVER
— FL DRIVER (–) POWER SUPP, –30V
Output FL DISPLAY SEGMENT DRIVER
– 53 –
CD-PC672
Function