SECTION 3
SERVICE
MANUAL
MODEL
AA-R32/L,
AA-R42
TABLE OF CONTENTS
I.
SPECIFICATIONS
........................................
48
1.
MODEL
AA-R32/L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2.
MODEL
AA-R42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Il.
DISMANTLING
OF
UNIT
.
..................................
50
m.
CONTROLS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SI
N.
PRINCIPAL
PARTS
LOCATION
...............................
53
1.
MODEL
AA-R32/L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
2.
MODEL
AA-R42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54
V.
CONVERSION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SS
1.
VOLTAGE
CONVERSION
................................
55
2.
FM
DE-EMPHASIS
SELECTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
3.
AM
STEP
SELECTOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
VI.
ADJUSTMENTS
. . . . . . . . . . . . .
..
· . . . . . . . . . . . . . . . . . . . . . . . . . .
56
1.
CLOCK
FREQUENCY
ADJUSTMENT
........................
56
2.
MODEL
AA-R32/L,
AA-R42
TUNER
ADJUSTMENT
. . . . . . . . . . . . . .
57
3.
MODEL
AA-R32/L,
AA-R42
POWER
LEVEL
METER
SENSITIVITY
ADJUSTMENT
. . . . . . 60
VIl.
CLASSIFICATION
OF
VARIOUS
P.C
BOARDS
. . . . . . . . . . . . . . . . . . .
61
I.
MODEL
AA-R32/L
P.C
BOARD
TITLES
.AND
IDENTIFICATION
NUMBERS
. . . . . .
61
2.
MODEL
AA-R42
P.C
BOARD
TITLES
AND
IDENTIFICATION
NUMBERS
......
62
3.
MODEL
AA-R32/L
COMPOSITION
OF
VARIO
US
P.C
BOARDS
. . . . . .
63
4.
MODEL
AA-R42
COMPOSITION
OF
VARIOUS
P.C
BOARD
. . . . . . . .
68
For
basic
adjustments, measuring methods,
and
operating principles, refer
to
GENERAL TECHNICAL
MANl.JAL.
AA-R42
------------SERVICE
MANUAL
AA·R32/L,AA·R42------------
47
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