JVC CA-MXG9BK - IC Descriptions; System Controller (IC701) Details

RX-MXG9BK
Description of ICs
M@ UPD78011CW-011 (IC701) : System controller
1. Terminal Layout 2. Key input (KEY A~C)
|
|
|
|
| AS.DATA
|
|
AS.STROBE | 1 AID REF
ee
ie
Poors
KEYA
KEY
B
KEYC
AS.CLOCK 3 HP
AS.STROBE 4 R-SPK A/DIN
a (ae Sia AUTO SOURCE TUNER
$.0UT 7 KEY B LOUDNESS DIRECT ENTRY
S.CLK 8 KEYA
besin | 9 TEMP. A/D IN
DCS.OUT VOL.A/D IN VIDEO VCR AUTO
AVE A/D GND
AVC.TV
$.CONECT
POWER
OFF
avever | 13 5
AVC.CONT
UPD78011CW-011
vss
CDICDG
SHBHO
FAN clock
MASTER
tia AUX TUNER
TUNER.RESET cs
TUNER.INH PROTECTOR
POWER.CONT INH
ACO REMOCON
RELAY 0 RESET
SOURCE MUTE R-SPK UP
VIDEO1 R-SPK DOWN
VIDEO2 L-SPK UP
RELAY1 L-SPK DOWN
RELAY2 R-SPK IND OUT
RELAY3 R-SPK IND IN
RELAY4 i-SPK IND OUT
-SPK IND IN
VOLIND VOL.UP
VOL. DOWN
Pin
No.
1
strobe tor dar 33,34 vor Volume control signal
transmission to 1C201 and IC203 "| DOWN/UP g
Switch data to IC201 and 1C203 L(R)-SPK Indication of
gore IND IN/OUT
Clock for data transmission
42
left (right) panorama speaker
3 L(R)-SPK
Strobe for IC902 and IC903 DOWN/UP
ee ee
5 1/0
;
hable for IC902 and IC903
4
pesvon
jasctock [0
jas. sTROBE [0
eae
fo.
a
Ht | :
Saas To OT and ne [1 [ih signal input
io
eae
7 |$.OUT
3
S.CLK 10 | Data latch clock for IC902 and 1C903 | 46_| pRoTECTOR|
Aaa
9,10
|
DCS
IN/OUT
Compulink
signal
C
Chip
select
4 VDD
VCR/CONT | on connection 63 }A/DVDD
an) Control signal 49,50 | M. CLOCK Oscillation terminal
51 | vss
T.RESET Tuner reset signal 54 |A/DGND ND
sa
Neon
Power
on:
H
(Cassette
deck
,
DSP
S.CONNECT
Connected
to
+5V
control ) VOL A/D IN Observing the position of master
egulator control (Power on: H) volume
(9)
wo pa 2 =x
=
N —_ ee a9
= sy ob wn
“i 1 2 Wo
+
aw
N
2 JRELAYO 56 TEMP AVD IN] | | Sensing temperature
SOURCE 57~59/KEYA~C_ | 1 | Key input
Relay control signal for main speaker
23
s
ute (Power on/off, Changing source)
MUTE
R(L)-SPK
Observing
the
position
A/D
IN
of
the
right
(left)
speaker
Observing the connect of the
6 A/D REF
24,25 | VIDEO1,2 0 | Video selector control
6~29} PLAY1~4 0 | Speaker matrix control
N
headphone
Reference voltage
for inner A/D converter
30 |SPK POWER
Power control for panorama speaker
31
ndication control
(No.20434) 1-43