Ic Pin Function Descriptions - FUNAI DR-D2831 Service Manual

IC1207 (Sub Micon)
Pin IN/ Signal
No. OUT Name
1 IN KEY-1
2 IN KEY-2
3 IN POW-SAF
4 IN AFT
5 - NU
6 IN EV+3.3V
7 IN BUP+3.3V +3.3V Power Supply
8 OUT OSC2
9 IN OSC1
10 - VSS
11 IN XIN
12 OUT XOUT
13 - GND
14 IN RESET
15 OUT 8POUT-1
16 OUT 8POUT-2
RGB-
17 OUT
THROUGH
18 OUT SUB-TXD
19 IN SUB-RXD
20 OUT SUB-SCLK
21 - NU
SYS-
22 OUT
RESET
23 - NU
24 - NU
25 - NU
REG-
26 OUT
CONT2
27 IN REMOTE
28 - NU
29 IN RDY
30 IN P-DOWN
31 - NU
32 - NU

IC PIN FUNCTION DESCRIPTIONS

Function
Key Data Input 1
Key Data Input 2
Abnormal Voltage Detection
Tuner Voltage Input Signal
Not Used
+3.3V Power Supply
Main Clock Output
Main Clock Input
Ground
Sub Clock Input
Sub Clock Output
Ground
Sub Micro Controller Reset
Signal
Control SCART 1 8Pin Level
by using 8POUT-1 and
8POUT-2
Control SCART 1 8Pin Level
by using 8POUT-1 and
8POUT-2
SCART 2 RGB Through
Control Signal
Transmission Data to Main
Micro Controller
Reception Data from Main
Micro Controller
Communication Clock with
Main Micro Controller
Not Used
System Reset Signal
Not Used
Not Used
Not Used
Power Regulator Control
Signal
Remote Signal Input
Not Used
Ready/Busy communication
Control with Main Micro
Controller
Power Voltage Down
Detector Signal
Not Used
Not Used
Pin IN/ Signal
No. OUT Name
IN/
33 SUB-SDA
OUT
34 OUT SUB-SCL
35 - NU
36 - NU
37 - NU
AUDIO-
38 OUT
MUTE
39 - NU
40 - NU
VIDEO-
41 OUT
SW1
VIDEO-
42 OUT
SW2
VIDEO-
43 OUT
SW3
44 - NU
45 - NU
46 - NU
47 - NU
48 OUT FL-DIN
49 OUT FL-STB
50 OUT FL-CLK
51 - NU
REG-
52 OUT
CONT
53 - NU
54 - NU
FAN-
55 OUT
CONT2
56 - NU
57 - NU
58 - NU
59 - NU
60 - NU
61 - AVss
62 IN FAN-LOCK Fan Motor Lock Detection
63 IN AGC
64 IN SC2-IN
1-13-1
Function
Serial Data
Serial Clock
Not Used
Not Used
Not Used
Audio Mute Control Signal
Not Used
Not Used
Video Input Select Signal
Video Input Select Signal
Video Input Select Signal
Not Used
Not Used
Not Used
Not Used
Serial Data
Serial Interface Strobe
Serial Clock
Not Used
Power Regulator Control
Signal
Not Used
Not Used
Fan Motor Control Signal
Not Used
Not Used
Not Used
Not Used
Not Used
AVSS (GND)
IF AGC Comparator Signal
Input Signal from Pin 8 of
SCART2
E6853PIN