2 IC PIN FUNCTIONS
HVIANAM1224A
Pin No.PIN NAMEI/ODESCRIPTION
1FUNC MUTEO Function, Mute ON/OFF Output
2-20dB MUTEO -20dB Mute ON/OFF Output
3POWER MUTEO Power Mute Output
4SOURCE REC, OUTO Source recoding Output
5OPTIONI Option port "HIGH" LEVEL
6OPTION
7PROTECT INI Protect Input
8STAND BYO Stand by LED ON/OFF Output
9POWER ON/OFFO Power ON/OFF Output
10AUXO Function, LED ON/OFF Output
11PHONOO Function, LED ON/OFF Output
12N/C- Non connection
13TUNER
14CDO Function, LED ON/OFF Output
15TAPE 1
16TAPE 2
17VssI GROUND
18,19N/C- Non connection
20RESETI Divice reset pluse input
21XL 1O Crystal Output
22XL 2I Crystal Input
23TAPE 2 1 O TAPE 2 Recording Output
24TAPE 1 2 O TAPE 1 Recording Output
25,26KEY OUTO Key matrix signal Output
27,28KEY INI Key matrix signal Input
29TAPE 2 REC INI TAPE 2 Recording Input
30TAPE 1 REC INI TAPE 1 Recording Input
31SOURCE REC, INI Source recoding Input
32,34N/C- Non connection
33FUNCTION DOWNI Function Down Input
35FUNCTION UPI Function Up Input
36BUS INI System control Input
37REMOTE INI Remote control Input
38N/C- Non connection
39VddI +5V
40BUS OUTO System control Output
41N/C- Non connection
42VOLUME DOWNO Volume DOWN Output
43VOLUME UPO Volume UP Output
44CD DIRECTO CD Direct led ON/OFF Output
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ACEC
