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RX-MXG9BK
MM
HD614089SD57
(IC901) : Tuner Controller
1. Terminal Layout
2. Key matrix
ao
KI1
KI2
KI3
KI4
ac | 2
(PIN45)
(PIN46)
(PIN47)
(PIN48)
3c | 3
2 | 4
KO1
WAKE UP | ONCE
DAILY
REC
ie | 5
(PIN37)
/SLEEP
TIMER
TIMER
TIMER
$1
6
s2
if
KO2
CLOCK
CANCEL
| MEMORY
Sica
(PIN38)
ADJ.
$s
sé
KO3
UP
DOWN
PRESET
PRESET
$7
(PIN39)
UP
DOWN
$8
as
HD614089SD57
KO7
PRESET
AUTO
a
a0
i
(PIN43)
SCAN
/MONO
$12
4
KO
8
*4
*2
*3
ve
(PIN44)
BANDO
9k/10k
24H/12H
Ko
FREQ.OUT
cs
STEREO IN
TUNED IN
INH IN
MUTE OUT
vec
3. Pin Functions
616 |O| cid contr
——SS~S~s a
|
33
L
34
es
Power supply
Clock for PLL synthesizer
Data from PLL synthesizer
Data for PLL synthesizer
fea)
Power supply for FL display
vcc
E
Chip enable signal for PLL synthesizer
=
2 |
een
|
ian ifs
|
| = || Non connection
|
36 | ce |
!
| 09 |~| Non connection
3
7~4a] Kor~K08|0| Key matrix output
JO| Clock frequency
fa5~ a8] Kit~kia | 1 | Key matrix input
23 | = [=| Non connection
|
49 | ReseTIN | 1 | Reset signal input
| cs |~|connectedto +sv_
|
50 | test [i | Test mode terminal
25 |STEREOIN | | | For the indication of 'sTEREO'
[51.52 |0sci,osc2|~|
Oscillation terminal
26 | TUNEDIN | | | For the indication of 'Tuned'
| 53_ | _ GND | |
Lt | i n h i b i t
|
|
|
||
|
i
[|
(7)
N NTNTN]
=>
pa
a
™m
re) °
Cc 4
27
INH IN
Inhibit input
| 54 |
Compulink signal output
28
Non connection
| 55 | DCS IN
i
29
| MUTE OUT
Muting tuner sound
Compulink signal input
Test mode terminal
Grid control signal
w oO w =
Non connection
57~64|
13G~6G
1-44 (No.20434)
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