Ic Pin Function Descriptions - FUNAI HD-A2685 Service Manual

IC1501(SUB MICRO CONTROLLER IC )
Pin IN/ Signal
Mark
No. OUT Name
1 OUT FL-DIN
2 OUT FL-CLK
3 IN REMOTE
4 -
NU
5 -
NU
6 - NU
7 - NU
8 -
START
9 -
CNVSS
10 IN Xcin
11 OUT Xcout
12 IN RESET
13 OUT Xout
14 - GND
15 IN Xin
16 -
Vcc
17 -
NU
18 - NU
19 - NU
SCART-
20 OUT AUDIO-
MUTE
AUDIO-
21 OUT
MUTE
22 OUT REG-CONT
SYS-
23 OUT
RESET
24 -
1V2-CONT
25 OUT I2C-SCL
IN/
26
I2C-SDA
OUT
27 -
NU
28 -
NU
DVD/HDD-
29 OUT
AUDIO-
MUTE
30 - NU
31 - F-TXD
32 - F-RXD
33 -
F-CLK

IC PIN FUNCTION DESCRIPTIONS

Function
VFD Driver IC Control
Data
VFD Driver IC Control
Clock
Remote Control Sensor
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Sub Clock
Sub Clock
System Reset Signal
(Reset="L")
Main Clock Input
Vss(GND)
Main Clock Input
Vcc
Not Used
Not Used
Not Used
SCART Audio Mute
Control Signal
Audio Mute Control
Signal
Power Regulator Control
Signal
System Reset Signal
+1.2V Power Supply
Control
IIC BUS Control Clock
IIC BUS Control Data
Not Used
Not Used
DVD/HDD-Audio Mute
Control Signal
Not Used
Not Used
Not Used
Not Used
Pin IN/
Mark
No. OUT
34 -
F-RTS
35 OUT SUB-TXD
36 IN SUB-RXD
37 - NU
38 -
NU
39 - 32KOUT
40 - NU
41 - NU
42 OUT 8PIN-OUT1
43 OUT 8PIN-OUT2
44 - NU
45 -
NU
46 -
F-CE
47 - NU
48 - NU
49 -
NU
50 - NU
51 - NU
52 - NU
53 -
NU
54 - NU
55 - NU
56 -
NU
57 - NU
58 - NU
59 - NU
60 -
NU
61 - NU
62 - VCC
63 -
NU
64 -
GND
65 - NU
66 - NU
67 -
NU
68 OUT DVD-LED
69 OUT HDD-LED
POWER-
70 -
LED(NU)
71 -
NU
1-14-1
Signal
Function
Name
Not Used
B/E System Reset
B/E System Reset
Not Used
Not Used
Not Used
Not Used
Not Used
Control SCART 18Pin
Level by using 8PIN-
OUT1 and 8PIN-OUT-2
Control SCART 18Pin
Level by using 8PIN-
OUT1 and 8PIN-OUT-2
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
VCC
Not Used
GND
Not Used
Not Used
Not Used
DVD Mode LED Signal
Output
HDD Mode LED Signal
Output
Not Used
Not Used
E2B21PIN