Ic Pin Function Descriptions - FUNAI DR-A2631 Service Manual

www.freeservicemanuals.info
Comparison Chart of Models and Marks
IC1207 (Sub Micon)
Pin IN/
Mark
No. OUT
1 IN KEY-1
2 IN KEY-2
3 IN POW-SAF
4 IN AFT
5 - N.U.
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 - N.U.
SYS-
22 OUT
RESET
23 - N.U.
A,C IN DAVN-L
24
B - N.U.
25 - N.U.

IC PIN FUNCTION DESCRIPTIONS

Model Mark
DR-A2677 A
DR-A2631 B
DR-B2737 C
Signal
Function
Name
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
VPS/PDC Data
Receive = "L"
Not Used
Not Used
12/1/2013
Pin
Mark
No. OUT
26 OUT
27
28
29
30
31
32
33
OUT
34 OUT SUB-SCL
35
36
37
38 OUT
39
40
41 OUT
42 OUT
43 OUT
44
45
46
47
48 OUT FL-DIN
49 OUT FL-STB
50 OUT FL-CLK
51
52 OUT
53
54
55 OUT
56
57
58
59
60
1-13-1
World of free manuals
IN/ Signal
Function
Name
REG- Power Regulator
CONT2 Control Signal
IN REMOTE Remote Signal Input
- N.U. Not Used
Ready/Busy
communication Control
IN RDY
with Main Micro
Controller
Power Voltage Down
IN P-DOWN
Detector Signal
- N.U. Not Used
- N.U. Not Used
IN/
SUB-SDA Serial Data
Serial Clock
- N.U. Not Used
- N.U. Not Used
- N.U. Not Used
AUDIO- Audio Mute Control
MUTE Signal
- N.U. Not Used
- N.U. Not Used
VIDEO- Video Input Select
SW1 Signal
VIDEO- Video Input Select
SW2 Signal
VIDEO- Video Input Select
SW3 Signal
- N.U. Not Used
- N.U. Not Used
- N.U. Not Used
- N.U. Not Used
Serial Data
Serial Interface Strobe
Serial Clock
- N.U. Not Used
REG- Power Regulator
CONT Control Signal
- N.U. Not Used
- N.U. Not Used
FAN- Fan Motor Control
CONT2 Signal
- N.U. Not Used
- N.U. Not Used
- N.U. Not Used
- N.U. Not Used
- N.U. Not Used
www.nostatatech.nl
E68C4PIN