JVC CA-C55BK - IC Descriptions - Tuner System Controller; IC670 Terminal Layout, Key Matrix, and Description

XT-C55BK
Description of Major LSis
i. Terminal Layout
3. Description
a+? (No.20474)
31 C201): TUNER SYST
EM CONTROLLER
2.
Key Matrix
KEY OUT i
KEY OUT 2
KEY OUT 3
>
KEY OUT4
KEY IN 1
KEY IN 2 KEY IN3
WAKE UP uP
SLEEP
CLOCK DOWN
ADJ
CANCEL
MEMORY
KEY IN4
FM
MODE
P.SCAN
TIMER 4
TIMER 2 PRESET UP
DAILY PRESET
DOWN
FS DS
Pa [ise To [AL grid control output ————*d 93 [RR [0 | Clock for Pl synthesizer =
Pa
fag
To
Te
grid
control
output
|
34
|i
OATA
[1
[Data
from
PLL
synthesizer
=
Pa
[ae
[0
[Ft
aria
controf
output}
35
|TUDATA]O
[Data
for
PLL
synthesizer
=
Wa
fiag
fo
[at
arid
control
output
36
[ce
_[
0
|
hip
enable
signal
for
Pll
synthesizer
|
Ps
[igo
[FL
grid
controt
output”
37
|
kO8
[0
[Key
afatrix
output
for
Tuner
section
|
Pe |sia [ofr segment control output ———~idte | —if-|Notued ——SSSSCSC~*d
7
[515
[0
[FL
segment
control
output
39]
__|=|Notuea
SSCS
a |s16 To [FL segment control output] a0] _|=|Notwed SSCS
-a-|s17 TO [FL segment control output | 41 | 1KOa | 0 [Key matrix output for Tuner section |
rosie To [Ft segment controt output | 42. |1k03__| 0 | Key matrix output for Tuner section |
rit [sis o [et segment control output] 43 [102 | 0 [Key matrix output for Tuner section |
riz [520 [0 [FL segment control output | @# |TK01__[ 0 [Key matrix output for Tuner section
ia [521 JO [FL segment control output | 45 | Tkia__| 1 [Key matrix input for Tuner section |
Pia [s22 [0 [Ft segment controt output [a6 [TKI [1 [Key matrix input for Tuner section |
Fis [523 [ 0 [FL segment controf output a7 [Tki2 [1 [Key matrix input for Tuner section _|
ie [ize [0 [FL segment control output | 48 [rei | 1 [Key matrix input for Tuner section |
iz [325 To [AL segment control output] 49 [mst 1 [Reset signal input
re] Noted SSOSCS™~S Sift SCSC~*
Fis [=ae [= [Power supply for FL diplay | 51 0SC1__|V0| Clock oxcilation terminal =
Pao not used S—*S 5 ]sc2 | v0| Clock osciiation terminal ———*d
ee a
22 | Fou 54 [Cs [70 | Compulink signal
Ps
yratrep
rsp
5s
[rcs
v0
|
Computink
signal
Gee
TETasvSO—SCSS—i
6
TU
TEST
|
—
[Test
mode
terminal
[as steREO ror te nteation “STEREO” 57 [236___[O| FL grid control output ——SC~S
[ae Tuned [1 [For the indication TUNED” | 58 [226 | O|FL grid control output
[ar fan Pinte stat for tuner contoter [59 [216 [oF grit contol output
Fae YWot wsed 6 [206 Po gre controt output
Fae faut “To Tmuting tunersouna | 61 ]196 [0] Ft grid controt output
Go fe YNot used SSCS 6 18 O Lge control output
Par [d= [Not sed SSS 63 176 JO [FL grid controh output —————*d
Par D1 [pul utes) a [re grid control output ————d