JVC KS-F383R - Page 21

KS-F383R,KS-F380R
(No.49813)1-21
• Pin functions
4.5 UPC1228HA (IC901) : Head amp
• Pin layout & Block diagram
Pin No. Symbol I/O Functions
1 SDA I/O Serial data input/output.
2 GND - Ground.
3 OUTLR O output left rear.
4 OUTLF O output left front.
5 TL I Treble control capacitor left channel or input from an external equalizer.
6 B2L - Bass control capacitor left channel or output to an external equalizer.
7 B1L - Bass control capacitor left channel.
8 IVL I Input volume 1. left control part.
9 ILL I Input loudness. left control part.
10 QSL O Output source selector. left channel.
11 IDL - Not used
12 MUTE - Not used
13 ICL I Input C left source.
14 IMO - Not used
15 IBL I Input B left source.
16 IAL I Input A left source.
17 IAR I Input A right source.
18 IBR I Input B right source.
19 CAP - Electronic filtering for supply.
20 ICR I Input C right source.
21 Vref - Reference voltage (0.5Vcc)
22 IDR - Not used
23 QSR O Output source selector right channel.
24 ILR I Input loudness right channel.
25 IVR I Input volume 1. right control part.
26 B1R - Bass control capacitor right channel
27 B2R O Bass control capacitor right channel or output to an external equalizer.
28 TR I Treble control capacitor right channel or input from an external equalizer.
29 OUTRF O Output right front.
30 OUTRR O Output right rear.
31 Vcc - Supply voltage.
32 SCL I Serial clock input.
ANP1
ANP2
UPC1228HA
1
2
3
4
5
6
7
8
IN1
NFB1
OUT1
VCC
GND
OUT2
NFB2
IN2