JVC KD-LX111R Service Manual page 3

KD-LX111R
UPD784217AGC168 (IC701) : Main micon
1.Pin layout
100 ~ 76
1
~
25
26 ~ 50
2.Pin functions(1/3)
Pin No. Symbol
1 SW2
2 SW3
3 SW4
4 RST-SW
5 LMO
6 LM1
7 DIM-OUT
8 ILLUM1
9 VDD
10 X2
11 X1
12 VSS
13 XT2
14 XT1
15 RESET
16 SW1
17 BUS-INT
18 PS2
19 CRUISE
20 RDS-SCK
21 RDS DA
22 REMOCON
23 AVDD
24 AVREFO
25 TEM1
26 KEY0
27 KEY1
28 KEY2
29 LEVEL
30 MRC
31 SQ
32 SM
33 AVSS
34 W-VOL
35 DOT-CNT
36 AVREF
37 BUS-SI
38 BUS-SO
39 BUS-SCK
40 STAGE2
41 LCD-DA
42 LCD-SCK
1-18
75
~
51
I/O Function
I CD mechanical switch 2 detection signal input
I CD mechanical switch 3 detection signal input
I CD mechanical switch 4 detection signal input
I Rest switch detection signal input
O Motor signal control signal output at loading
O Motor signal control signal output at leject
O DIMMER pulse control output
O POWER ON:H,FLAT PANEL:L
- 5V
-
-
- GND
-
-
I Reset detection teaminal
I CD mechanical switch 1 detection signal input
I J-BUS int
I POWER SAVE2. Operating together with BACKUP.H input:STOP
I Pulse signal for CRUISE input(only in 330R)
I RDS clock input
I RDS data input
I Remocon input(111R:READY)
- 5V
- 5V
I Temperature detection input
I Key input 0
I Key input 1
I Key input 2
I Level meter input
I MRC output voltage detection
I S.QUALITY level input
I S.METER level input
- GND
O Subwoofer volume control analog output
O Dot matrix contrast adjustment analog output
- 5V
I J-BUS data input
O J-BUS data output
I/O J-BUS clock input and output
I H:LX333R L:LX111R
O Data output to LCD driver
O Clock output to LCD driver