JVC CA-MXG9BK - Tuner Controller IC (IC901); IC901 Terminal Layout and Pin Functions

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 | inhibit |
| |
|| |
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)