JVC KD-LH2000 Service Manual page 24

KD-LH2000
QQ
3 7 63 1515 0
UPD784215AGC179 (IC701) : CPU
1. Pin layout
75
76
~
100
1 ~
2. Pin function
Pin NO. Symbol
1~7
NC
8
ANT CONT
9
VDD
10
X2
11
X1
12
VSS
13
XT2
14
XT1
15
RESET
TE
16 NC
L 13942296513
17 BUS-INT
18 PS2
19 CD-REQ
20 RDS-SCK
21
RDS DA
22
KEY DATA
23
AVDD
24
AVREF0
25
VOL1
26
VOL2
27
KEY1
28
KEY2
29
NC
30 MRC
31 SQ
32 SM
33 AVSS
34 NC
35
STAGE3
36
AVREF
37
BUS-SI
38
BUS-SO
39
BUS-SCK
40
BUS-I/O
41~43
NC
44
BUZZER
www
45
E2PROM-DI
46 E2PROM-DO
47 E2PROM-CLK
48 OPEN
49~52 NC
53
SD/ST
1-24
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~ 51
50
~
26
25
I/O Function
- -
O Antenna remote control
Maicon power supply
I
I
O
I GND
I
O
I SYSTEM RESET
- -
I J-BUS INT
I Power save2, H means STOP mode
I CD REQ INPUT
I RDS clock input
I RDS data input
I KEY DATA
A/D converter power supply
I
O A/D reference voltage
I Volume encoder pulse input 1
I Volume encoder pulse input 2
I Handle remocon input 1
I Handle remocon input 2
- -
I MRC input
I S.Quality level input
I S.METER input
I GND
- -
I Feature selection H:2000 L:1000
I
J-BUS data input
I
O J-BUS data output
I/O J-BUS clock input / output
O J-BUS I/O selection output:H, input:L
- -
O Buzzer output
I I2C data input
x ao
O I2C data output
y
O I2C clock output
. i
I DOOR OPEN SW
- -
Station detector or streo indicator input ;
I
H means a station is there. L means the program is stereo.
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