Sharp CD-PC1881V Service Manual page 50

CD-PC1881V
IC701 RH-iX0340AWZZ:System Control Microcomputer (IX0340AW) (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 MBUSY
66 P104 DISTOUT
67 P103/FIP32 S22/DIST4
68 P102/FIP31 S21/DIST3
69 P101/FIP30 S20/DIST2
70 P100/FIP29 S19/DIST1
71 FIP28 S18/DIST0
72-78 FIP27-FIP21 S17-S11
79 VLOAD VLOAD
80-89 FIP20-FIP11 S10-S1
90-100 FIP10-FIP0 G11-G1
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
—
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
Comunicate to MPEG controller MBUSY
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 display segment driver
FL driver (–) power supply, –30V
FL display segment driver
FL display segment driver
– 50 –
Function