Read Sharp CD-DVD500 (serv.man18) Service Manual online
CD-DVD500H
– 88 –
IC701 RH-iX0444AWZZ: System Microcomputer (IX0444AW) (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
51
P107/FIP47
DIST_OUT (2)
Output
Distination output/switch output.
52
P106/FIP46
KARAOKE LATCH
Output
KARAOKE IC data latch. (When not used. Connect to 0 V)
53
P105/FIP45
6 ch-VOL LATCH
Output
6 ch VOL IC data latch.
54
P104/FIP44
NO USE
Input
Open
55
P103/FIP43
SPRLY (FRONT)
Output
(Front) Speaker output relay control.
56
P102/FIP42
SMUTE
Output
System mute control.
57
P101/FIP41
TIMER LED
Output
Timer LED control.
58
P100/FIP40
AC RLY_CONT
Output
AC relay control.
59*
P97/FIP39
DIST_OUT
Output
Distination output/switch output.
60
P96/FIP38
SPN
Input
Tuner span change.
P96/FIP38
P25
Output
FL display segment driver.
61-63
P95/FIP37-P93/FIP35
P24-P22
Output
FL display segment driver.
64
P92/FIP34
DIST3
Input
Distination input.
P92/FIP34
P21
Output
FL display segment driver.
65
P91/FIP33
DIST2
Input
Distination input.
P91/FIP33
P20
Output
FL display segment driver.
66
P90/FIP32
DIST1
Input
Distination input.
P90/FIP32
P19
Output
FL display segment driver.
67
P87/FIP31
DIST0
Input
Distination input.
P87/FIP31
P18
Output
FL display segment driver.
68-74
P86/FIP31-P80/FIP24
P17-P11
Output
FL display segment driver.
75-78
P77/FIP23-P74/FIP20
P10-P7
Output
FL display segment driver.
79
VDD2
VDD2
Input
(+) Power supply.
80
VLOAD
VLOAD
Input
FL driver (-) power supp. -30 V
81-84
P73/FIP19-P70/FIP16
P6-P3
Output
FL display segment driver.
85,86
FIP15,FIP14
P2,P1
Output
FL display segment driver.
87-100
FIP13-FIP0
G14-G1
Output
FL display segment driver.
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