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CQ-RD75LEN
CQ-RD75LEN
| CQ-RD70LEN/GLEN
:
CQ-RD70LEN/GLEN
|
OPERATION OF LSI/BEDIENUNG DES LSI
m@ 1C901 YEAM78014532
|
m 1C651 YEAMPCF8576T
te
e
T
vef
m
using
ten tim
x
:
Sn
YC
ee
ne
ee
re
2 s
3
|
Pin
No.
—
-|-|8
wo o
+
oO
@
RDS DATA
Tree:
[36 |
| 2 |sor2 [Notued
=
I =
SCK
| a [ewont | Powercool
|
| ae |
| 0 |
ae
RDATA | Notued
|
|
SDA
RDS CLK
li fea |
| o |
SYNC
| Noconnectin
sd
connection
CLK
[CHNG CE | CD changer strobe
|_|
BATT | Batioy detection
|
| a8 |
Voo__|
+8Vpowersunpy
| = | 4.8
| 41 [xe
| 40 _|
Power Amp. control
| o |
| 5 [AF MUTE | AF mute control
|
|
[6 [Mute | muteconroi
Sf
| ae |
|_7 |Ramce | RAM chipenabie
|
| ae |
|e [REMOTE | cD changerremote
ss | O | 48 | | 43 [Ves [Grouse
dT
|
[9 [vss | Grong
|
of | ts [uc
No connection
|
— | — |
ho~17] ad o~7 | Address /data pot
[WOT 0 || 45 [acc | +sV power sunpy
| — | 49 |
he~2i]as~n1_|
Adaresspot
|
O | 0 || 46 [Ass | Analog ground
=|
| 0 |
| 22 [Ros aval Ros avat inns
|
| ae | h7~as|Ko~2 | Keycatainnt
|
| a |
[23 [Ros patal RDS datainot S|
| | 26 | {50 [inTA [| Notues
|
— | 8 |
[24 [vss [Grong
TT
ft fit
[Notes
|
| 25 [eo | Security ed contr ss} | 0 |] 52 [so | BS ootecton
| (8
| 26 [rirce | pit
controterchipenabie
| o | o || sa [MoD | Radio mode input
Lt | ss |
|_27_|cux | clock tor data wanster
| 0 | 4.2 | | 54 [87
Stered/Mono input
[i fa |
| 28 [ic bata | LoD and tone cont. data |
| 4.0 |
+5V power supply
be
| 20 [rup: | patatompr
|| | 48 || 56 [AVREF | Rotorence vottage
|= | 42 |
[so _[pupo [patatrpur
|
| 8 | | 57 [cHNGD: | DaatomcD changer S| t | o_|
Lor [RD
| Memoyread
|
as | | 58 [NC | Noconnection
Ss | — | — |
ae [WR | Momoy wie
|
0 | «8 | | 59 [CHNGOLX Crock tor changer dats '1 fo
|. 33 Joe
[ouputenabie
|
| co | | 60 [oosens | co sense int
|
t |
|. [ate | Memory address enable
| 0 | o | { 61 [ae | Tape A/B side
Li | ss |
Tape loading detection
|i | as |
[5 [reset | Reset
tt
Tape end detection
|= | 36 |
[ee [ws | TPS nosound detection [| a6 |
Note:
Voltage measurements are with respect to ground,
with a voltmeter (Internal resistance
: 10M ohms.)
a6 |
36 |
es
p
oO
oO
QO
QO
Connect to ground
ie
Connect to ground
AO
YLcD
13~
| BPO~3
LCD back plane
So~2
0~56|S3~39
Q
_
"I
=
nO
i>
o
n
nN
bh
2.4
IV/DIV, 0.1.S/DIV
2V/DIV, 0.148/DIV
1
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MP
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2V/DIV, 10mS/DIV
ae cE
YEAM78014532
" $
(44)
o—2
M4
M6
BAND
ivan
ati
7%
RCL
R/R / \AUT-P,
$39
GD Pit 01
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by
"hs
a. D0
INIT es
3) Ro
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INIT
460
p
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3
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tanibetalelat:
me
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BOBO
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— 36 -
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