JVC KD-MX2900R, Service Manual

Page: 57 / 86

UPD178018AGC565 (IC701) : MICON
1. Pin layout
2. Pin function (1/2)
1
~
20
60
~
41
21 ~ 40
80 ~ 61
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I
I
I
I
I
I
I
O
O
O
O
I
O
I/O
O
O
O
I
I
I
-
-
I
I
I
I
I
I
I
-
I
I
-
O
O
O
I
O
I
I
TEST key input 1
TEST key input 2
Temperature detection (TEST key input 3)
Level meter A/D input terminal
RDS SQ signal input
S.meter input terminal
Front panel key data input
LCD data output terminal
LCD driver clock output
LCD driver chip enable signal output
J-BUS input/output select signal output output:H input :L
J-BUS serial data input
J-BUS serial data output
J-BUS serial clock input/output
Dot matrix contrast
LCD reset signal
Bright control
Rotary volume signal A input
Rotary volume signal B input
TEL mute input
Connect to GND
Connect to VDD
External dimmer control input
Panel detach detection switch
Panel connector detection
LINE function interrupt signal
LINE input enable
Audio cruise pulse detection terminal
FM/AM IF count signal input
Connect to VDD
FM/AM oscillation signal input
Non connection
Connect to GND
PLL error signal output
PLL error signal output for FM band
Connect to GND
Mechanism unit mute input
IF count request output
Station detection input/FM stereo input
Tuner volume setting (H=+6dB L=+12dB) DISP
KEY2
TEMP(KEY3)
LEVEL IND.
SQ
SM
KEY.DATA
LCD.DATA
LCD.SCK
LCD.CE
J-BUS.CONT
J-BUS.SI
J-BUS.SO
J-BUS.SCK
LCD.CONT
LCD.RST
CFL.BRIGHT
VOL A
VOL B
TEL MUTE
GND
Vdd
DIMMER
DETACH SW
DETACH
REMOTE IN
LINE ENABLE
CRUISE
IF COUNT
Vdd
OSC
-
GND
EO
FM EO
IC
MECHA MUTE
IFRQ/AGC
SD/STEREO
TUNER LEVEL
Pin
No.
Symbol Function