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Marantz ST500 Service Manual page 11

Stereophonic tuner

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Maximum Ratings
Electrical Characteristics
(Ta = 25°C)
(Ta = 25°C)
Condition
Al0~AI3, BIO~BI3
SNSO, SNS1
N-Channel
(C,D,E. Port)
LOCOS
E/D MOS | !on (aV)
a
MN1400 | ""4.Bit + 1Chip | (C,D,E. Port)
ee
noY
Microcomputers
ou (aV)
.
(C,D,E. Port)
:
CO0~CO11,
Voo = 5V
;
atl
A
Jou = -30uA
SYNC, EOS-EOS, Jas =8v |
DOPS,
RAO~RA10
| y= 1 00uA
J
Operating Condition
Von = 5V
:
(Ta = 25°C)
lo. = 2mMA
:
=
'
Ci
| Vino = SV, Vi = 2V
5
Memory chip enabling output
CO3
31 | DOO © | Fasano
pret ouput
cor
| anddigit
|
es
|
Keymodeswtchinput
iP TST
Alt
Key mode switch input
yd
28 Et Kev mode atch outnut |
PY
£00 | memory PLL res nc ee ot
Se
8
Segment output: f
'Frequency-division ratio preset output
Q 2) ron)
Segment output: @
Frequency-division ratio preset output
Oo;,o|o
"| oO] oO
2/aQ
R\k
Segment output: g
Frequency-division ratio preset output
=a /f{—a3/
— =
«©
| co
~~
> Ld
i)

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