– 24 –
4-1. IC PIN DESCRIPTION
• IC801 MB90574FPV-G-111 (SYSTEM CONTROL)
Pin No. Pin Name I/O Pin Description
1 LD ON O Laser power ON/OFF control pin
2 FOK I Focus signal detection input
3 XLAT25 O CD signal process latch output
4 DATA25 O CD signal process serial data output
5 XRSRO O CD signal process IC reset output
6 GFS I GFS signal detection input
7 NIL — Not used. (Connect to GND.)
8 VCC — Power supply (+5 V)
9 PLL SI I PLL data input
10 PLL SO O PLL data output
11 PLL CKO O PLL clock output
12 NOSE I Front panel connect detection input
13 LCD SO O LCD serial data output
14 LCD CKO O LCD serial clock output
15 BEEP O Buzzer control output
16 DBMOD2 O D-BASS mode set signal output
17 SQSI I SUB Q data input
18 NIL — Not used. (Connect to GND.)
19 SQCKO O SUB Q read clock output
20 UNI SI I BUS system serial interface input
21 UNI SO O BUS system serial interface output
22 UNI CKI/O I/O BUS system serial interface input/output
23 C OUT I CD track jump number count input
24 SIRCS I Remote commander input
25 SRDT I CD-TEXT data input
26 NIL — Not used. (Connect to GND.)
27 SCLK O CD TEXT data read clock output
28 CLOCK25 O CD signal process serial clock output
29 SYSRST O System reset control output
30 DEEM O Emphasis control output
31 DBMOD1 O D-BASS mode set signal output
32 MD ON O Machanism deck section power supply control output
33 VSS — GND
34 C — Capacitor terminal for power supply.
35 CD ON O CD power supply control output
36 BUS ON O BUS ON control output
37 AD ON O Power control output for A/D conversion.
38 DVCC — Power supply for D/A converter.
39 DVSS — GND for D/A converter.
40 TEST I Test mode direct setting input
41 VOL CE O Electric volume serial chip enable output
42 AVCC — Power supply for analog circuit.
43 AVRH — Power supply for A/D converter.
44 AVRL — Power supply for A/D converter.
45 AVSS — GND for analog circuit.
46 KEY IN0 I Key input
47 KEY IN1 I Key input
48 KEY IN2 I Key input for D-BASS rotary switch.
49 RC IN0 I Rotary commander input
50, 51 NIL — Not used. (Connect to GND.)
52 MPDH I Tuner multi-pass input
SECTION 4
DIAGRAMS
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
To Next Page
Loading...
