NAD 402 - Display Section Schematics; Display Unit Schematic

DISPLAY
A704
R708 2K
i
y
oN
sw70e “4
mono.
‘Sw707
blend
‘$w700
enter
Bw708
lock
SW705
an/te
‘BW704
ecup
‘9W703
ecan
R720 R724 A722
10K 410K 410K
R744
10K
D702 1N4140
0703
1Na148
+8v
was K) sorters
+5y
A743 =
at = Vena)
over nance a |
eee “y (omg |
rae Ca |
22K
Nt
ae Or
oT :
C717 I]
an! ne
BAL oo NiLN ct
AL cena o1ma
+5V
0708
TUNE
ages aa was GREEN
2s
Le) as
an PRESET
oan ee mae AMBER
: Ch.) sectors
eND
D707
rane
i SEARCH
Paes ww GREEN
SLED 2708 B60
28c18165
\bs A726
whet AMBER
s R731 /Y\ a708 ‘70a!
@ND A727
tory x
AMBER
D700
BLEND
a701
‘TMS70CXO
0740
RU STEREO
o744
BA ONTUNE
AMBER
GREEN
e710
4000
c720
100u/8.3
0712
1N4@448
9708
2ecz240
a702
Levse2
+5v
A736
100
R737
aK rt vP703
R740 3 |
Vv NADLINK
1K.
R730
A744
He ff) 100
a700
2841015
V7
11
Lco704
VI-614--DP
A742
10K
a710
x2acot
SEMICONDUCTOR PIN DESCRIPTIONS
TMS70CxO
1
2
3
4
5
ry
7
8
°
10
14
42
13
14
18
18
17
18
19
20
x2aco1
vas
NOTES:
1. RESISTORS ARE CARBON FILM TYPES.
UNITS ARE IN OHMS. K = KILOHMS,
2. CAPACITORS ARE IN MICROFARADS, UNLE!
u - MICROFARADS
1 - NANOFARADS
p ~ PICOFARADS
coms conz DATA
cL ce vss
Lc7se2
vue 7INH vop
ose sss 382
sea sss 549
nHonnnnAnAnAnoon
Sereseb seas
st
$2
ss
6
3s
se
s7
se
39
sis
St
$12
sis
sia 4
S18 is
sie 18
RSS seereene
DUVUUUoUUUUoo
aRRRRSRER EES
5
zsaro18
‘2801816
2sc2240
M = MEGOHMS
OTHERWISE SPECIFIED.
1/4, 5% UNLESS OTHERWISE SPECIFIED.
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s28 say
431 seo
2
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as
a
E
t
347
sae
345
344
sas
542
say
sas
s39
soe
ss7
se
538
534
s33