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NOTE:
1. RESISTORS ARE CARBON FILM
FP- FLAME PROOF 5%, FS-FUSIBLE 5%
MF - METAL FILM 2%. CE-CERAMIC CASE
ALL CAPACITORS, UNLESS OTHERWISE SPECIFIED, ARE 50V,
2,
FUSE F4O3C IS ONLY FOR C VERSION
3.
IS ONLY FOR AH VERSION
ADJUST VR104
ADJUST VR103 LET VOLTAGE BETWEEN T103 AND T104
LETVOLTAGE BETWEEN T101 AND T102
,1/4W
CIRCUIT.
5% UNLESS SPECIFIED.
CIRCUIT AND
5%
FUSE F4O3AH
:5-6.5mV
:5-6.smv
20"6
Page 3
EMATIC
scH
AV104F
LIN
DIAGRAM(AMP)
R12s
1001'
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Page 4
EMATIC
SCH
DIAGRAM(PREAMP)
AV101C
AV1
VIDEO
AV102C
TUNER
AV102E
TAPE2
AV103A
REC2
AV103C
TAPEl
AV103E
RECl
01 E
,R341
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470
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1M
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470
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1M
R307
470
R325
1M
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470
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1M
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470
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R3r3
470
R33 t
1M
R3t5
470
'1M
R317
470
R335
1M
R333
lOOP
L.CH
INPUTS
D301 D302 D303
1 N4148
:
ts
ns+sQ
820 t!
a
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N4148
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20KB/
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1 N4148
l"-u-ora8
-
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1 N4148
D306
+t8V
Low
NotsE
AMp
MIDULE
AV105A
ttN
AV105B
our
\
AV1
VIDEO
AV102D
TUNER
AV102F
rAPE
AV103F
neq(t
01 F
'tM
R306
470
R324
1M
R308
470
470
R330
'tM
R314
470
R332
1M
s-
1316
470
R334
1M
R318
NAD
C35O PRE-AMP
UJ
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l!
q,
a
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NOTE:
1. RESISTORS
2,
ALL
CAPACITORS,
3.CD BEING
<+l8V
c321
It-N
I\V
47ul25V
cH301
c322
47ul25V
ARE
MF
SELECTEO
-
METAL
CARBON
FILM
UNLESS
FILM 1/4W
2OlO
OTHERWISE
18N/63V/5%
5%
UNLESS
SPECIFIED,
C330
220N163Vt5%
SPECIFIED.
ARE
5OV,
20%
N8C350F01
TRxMrnE-
l
-11
-
Page 5
SCHEMATIC
DIAGRAM(KEY
BOARD)
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-12-
Page 6
ALIGNMENT
lNlTlAL
l.
PROCEDURE
ADJUSTMENT
(No
load
connected)
A. OUTPUT
1. Connect
2. Turn unit
3.
B. IDLING
1. Leave
2. Connect
3. Connect a
OFFSET VOLTAGE
Connect the
101
VR
CURRENT
mV reading
6.5
mV reading on meter.
6.5
a DC Millivoltmeter to L Channel speaker output terminals.
and adjust
"ON"
DC Millivoltmeter to R
(lkohms)
power
a DC Millivoltmeter to T101 and T102 and adjust VR104
DC Millivoltmeter to T103
to
"ON" for
meter.
on
VR102
get
reading
a
a minimum of 5 minutes.
(1
kohms) to
Channel speaker output
V+/-30 mV.
of 0
and
get
T104
reading
a
and adjust
of 0V+/-30
terminals
VR'|03
mV.
and adjust
(300
ohms) for
(300
ohms) for 5-
5-
II. FINAL
ADJUSTMENT
Repeat
procedure
A
and
B for
offset
voltage
and
idling
current alignment
respectively.
-6-
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