JVC DR-E34BK - IC102: LC7218 PLL Synthesizer; Main Function Descriptions; Terminal Layout, Block Diagram, and Pin Functions

DR-E34BK
DR-E34 L BK
IC 102 : LC 7218 ( P LL Sy nthesiz er )
1. The main funct io n descriptions
( 1) It m akes t he lo c.a l oscillation fr equency by th e cont rol data from IC4 01.
( 2) De co de the co ntro l signal and transmit the signal fo r receiv in g conditions.
(3) Fo r the best tuning, count the intern al-fre quenc y a nd tr a nsmit t he data to IC401.
2. Terminal layout 3. 8lo ck Diagram
X :.N
,
<;E
1
Ill J
CL
4
DO 5
SYC
I
INO
1
IHI
a
OlRD
9
'DUTT 10
mm
,,
Olin
12
14 X Ou t
U Vi s
1J P01
I t POi
20 Voo
•~ fM'4n
I
/IM-kl
17
I
tKTII
1~ l CTI\
M OU15
I I fflif7
;-- -- -- - -- --------- ---- - ---- --- -------------------,
: ~--._r-_ -_,- - -;::: == ::::: == ==~ ----~ 6 SYC
: "C r-4 ~ ~ Phase D ete cto r ~ :
XIN
1
_; ...__-=-___, Ch a rge Pump :: :::::::--;~TJ21 PDt
XOIJ T 14.,.._ _ ____ __ _, -- --i----;: ~.M ,--. 22 PD2
I
I
I
I
FM In 19 1R- 4-- - --.t
AM In
16 HCTR
15 L CTII
OU lO 2 3 4 5 6 1tt11 IHI
4 p· F
Jn unction D
. r
escr,o 10 n
P in No.
Sy m bo l
Name uo
Functio ns and O pe ratio ns
1.24 X m . Xou t X in ,X out I/O Crystal oscilh1tor(7. 2MHz ).
2
CE
CE t Ax the ch ip eni,ble to •w w he n inp uttin g ( DI ) and i;iut pu tti ng (DO) the serial data .
3 DI
D1
I
Rec_elve t he c ontro l data from th e co nt ro l l et (IC40 1) .
4 a. CL
I
: Tn ls clock Ii us-ed to synchronize d ata whert tran sm itti ng the -da t a of DI and DO.
5 DO DO 0 Transmit th e d ata horn LC721 B to the ci;in tr olle r wh ic h is synch ronize d with CL.
6
SVC 5Y'C'
-
Not u1ed.
7 IN0
Tuned In
I
flcc ei ve th e t un ed si gnal from IC1 04 ( LA 1266A).
8
IN 1
St
op in
r
Not used.
9 OU T 0 PO WER
0
Not us ed .
10
OUT1
QSC
0
ON mode w,th • H • anti Of f m ode with • L • .
11 OUT2 MONO 0
It as •w on FM-monaural, ·L· on FM -St ere o.
12 OUH
FM 0
It ii "H. on FM m ode .
13 OUT4
'
MW
0
It Is ·w on AM modo .
14
OUTS
-
Not us-ed .
15 I.CIB
AM-IF
I
Universal c.ounter i npul fo r AM -If fro m JC104 (LA 1 26 6A).
16 HCTR
FM -I F I
Unlvlirsal
counter i nput fo r FM- - ff fr om IC104(LA 1266A).
17
O UT6 IF REQ 0
Outputthe "IF-signal re(luest· to JC104 wh en the pln- 7(t un ed in ) go to ·w.
18
AM ln
AM in I
Input the loGal oscillator signal of AM .
19 FM in
fM ln I
Input the local osc ill ator signal of F M.
20
Voo V oo
-
This ts II term 1 nD I of power rnpply .
PLL chdrge pump o utput : When the local oscillator sig nal frequency is higher than
21 PD 1 P0 1 0
the re ference trequeoc)I high tevel si gna ls wJU ou tpu t.
W
h@ n it 1s lower than t he reference freque ncy, low level signals will outp ut . When
1t is 1am 11 u refe rence fre quency s i9na l~. It w lU be fl oating.
22
PD2
P0 2 0
Not use d.
23 v~ ~
\/\ $
- Pow er supply.
1-22 (No. 20 1 62 )
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