NAD 712 Service Manual page 15

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INPUT, SPEAKER & HEADPHONE
J201 L
R243
mo
R241
1K
C241
100K
100p
J202L
R203
ov
AUX
(? 1
R201
1K
C201
100K
100p
J203 L
R207 ov
cD
J204 L
LD
J211b
VIDEO
ov
TUNER
TLERT
TO
Li
FRONT
PANEL
OFF
TUNER
R543 10K
J211R
R204
VIDEO
R202
1K
C202
+12V
VR301A
50K
r 10/16
ov
Voltage Measured on IC201
PinNo.
_V.
1
2
2-27
0
28
12
sw201
=
100K
100p
J204 R
R208
ov
C204
100p
R206
1K
100K
J203 R
cD
3
2
J202 R
AUX
(e 3
2
R212
ov
nie C206
1400p
R210
1K
100K
C208
100p
R214
1K
100K
J201 R
TAPE 2
IN
+ R244
oy
C242
100p
R242
1K
100K
J205L
TAPE 1
OUT L
J205 R
TAPE 1
OUTR
J206 L
TAPE 1
INL
J206.R
TAPE 1
C210
1C202B
10/16
5
NJM 072D
oe
aug
bg B
UU
Z
+
6
R218
47K
ov
}
INR
J207L
TAPE 2
OUTL
J207 R
TAPE 2
OUTR
NAD-00126 / DRUCK 5
Voltage Measured on IC202 to 1C204 and IC301
Pin No.
_V.
PinNo,
V.
1-3
0
5-7
0
4
2
8
12
NJM4558
+12V
R253
T20FF
Q200
2SC1815
1C204B
NJM4558
19
DGS
2SK363
ECB
2SC1815
2802878
C302
10/16
TO TUNER
+12V
R319
220
Q301
2802878
R321
C317
100p
1C301A
4
NJM2068
R311
3K9 2%
R309
C309
C255
Q303
2SA1015
R324
10K
Q304
4g 2801815
EXTRA
SPEAKERS
1
.0V
Seat Mes we ten
et be
Sets Se
aA
tt Ae
a2)
SPEARS Bo hh leh ee | ee
te
on
eee
LOUTPUT+
4
EXTRA
4
SPEAKERS
Se
cam
(2)
=
On/26
LEFT
cal
©
47n
e
C554
==
10n/25
RIGHT
ROUTPUT-
20%
(°)
p o n e
cnn nr
ne 1
1
TO
1
' SPEAKER
'
| TERMINAL
1
t
\
'
$
t
'
f
R OUTPUT +
oF
!
TO
1
EXTRA
=
1 POWER
(
SPEAKERS
©
| AMPLIFIER
!
'
1
EXTRA
5
en)
H
SPEAKERS
' CHASSIS
!
'
'
t
'
J209 L
PRE OUT L
J209 R
PRE OUT R

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