
ASAHI KASEI 
[AK4707] 
MS0551-E-00 
2006/10 
- 6 - 
PIN/FUNCTION 
No. 
Pin Name 
I/O 
Function 
1 
TST2 
I 
Test Mode Input Pin #2   Internal Pull Down 100k
    Normally connected to VSS. 
Video Ground Pin , 0V 
Composite/Luminance Output Pin for TV 
Video Power Supply Pin #2:  5V 
Normally connected to VVSS with a 0.1
μ
F ceramic capacitor in parallel 
with a 10
μ
F electrolytic cap. 
Red/Chrominance Output Pin for TV 
Green Output Pin for TV 
Blue Output Pin for TV 
Video Power Supply Pin #1:  5V 
Normally connected to VVSS with a 0.1
μ
F ceramic capacitor in parallel 
with a 10
μ
F electrolytic cap. 
Blue Input Pin for Encoder 
Green Input Pin for Encoder 
Red/Chrominance Input Pin #1 for Encoder 
Chrominance Input Pin #2 for Encoder 
Composite/Luminance Input Pin #1 for Encoder 
Composite/Luminance Input Pin #2 for Encoder 
Composite/Luminance Input Pin for TV 
Composite/Luminance Input Pin for VCR 
Fast Blanking Input Pin for VCR 
Red/Chrominance Input Pin for VCR 
Green Input Pin for VCR 
Blue Input Pin for VCR 
Interrupt Pin for Video Blanking 
Slow Blanking Input/Output Pin for VCR 
Slow Blanking Output Pin for TV 
Rch VCR Audio Input Pin 
Lch VCR Audio Input Pin 
Rch TV Audio Input Pin 
Lch TV Audio Input Pin 
Test Mode Input Pin #3 
  This pin should be connected to VSS. 
Rch Analog Output Pin #1 
Lch Analog Output Pin #1 
Rch Analog Output Pin #2 
Lch Analog Output Pin #2 
Test Mode Input Pin #4 
  This pin should be connected to VSS. 
Power Supply Pin, 12V 
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel 
with a 10
μ
F electrolytic cap. 
Audio Common Voltage Pin #1 
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel 
with a 10
μ
F electrolytic cap. 
Audio Common Voltage Pin #2 
Normally connected to VSS with a 0.1
μ
F ceramic capacitor in parallel 
with a 10
μ
F electrolytic cap. The caps affect the settling time of audio bias 
level. 
Ground Pin , 0V 
2 
3 
VVSS 
TVVOUT 
- 
O 
4 
VVD2 
- 
5 
6 
7 
TVRC 
TVG 
TVB 
O 
O 
O 
8 
VVD1 
- 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
ENCB 
ENCG 
ENCRC 
ENCC 
ENCV 
ENCY 
TVVIN 
VCRVIN 
VCRFB 
VCRRC 
VCRG 
VCRB 
INT 
VCRSB 
TVSB 
VCRINR 
VCRINL 
TVINR 
TVINL 
I 
I 
I 
I 
I 
I 
I 
I 
I 
I 
I 
I 
O 
I/O 
O 
I 
I 
I 
I 
28 
TST3 
- 
29 
30 
31 
32 
VCROUTR 
VCROUTL 
TVOUTR 
TVOUTL 
O 
O 
O 
O 
33 
TST4 
- 
34 
VP 
- 
35 
DVCOM 
O 
36 
PVCOM 
O 
37 
VSS 
-