Alpine 3DE-7886R - Page 11

3DE-7886R
(4) Adjustment Procedures
Test Point /
Step
Description
Connection
|
Signal
Generator
|
Dial
Control}
P.C.Board
Adjustment
Coordinates
T.P.003
IF
:
98.1MHz,
72dBy
(4-E)
,
1
Adjustment
Figure
2
(Mod.
OFF)
98.1MHz
+
P.004
Adjust
L003
to
-35
to
-45mvV.
(4-E)
98.1MHz, 4!
S-Meter
.
che
oe
T.P.005
.
2
,
Figure
3
(Mod.
400Hz,
98.1MHz
Adjust
VRO03
to
3+0.1V.
Adjustment
(4-E)
Dev. 40kHz)
30
Stereo
Blend
Ficiwo4
pail
ey
|.
{MHz
Speaker
|
Adjust
VRO04
for
Lch
and
Rech
output
Adjustment
(Lch)
9
,
7
Output
level
difference
to
be
8+2cB.
Lch only)
98.1MHz,
46dBy
:
4
Stereo
Blend
Figure
4
(Stereo,
1kHz,
98.1{MHz
Speaker
Proceed
same
adjustment
under
step
Adjustment
(Rh)
Reh
only)
Output
3.
NOTE
:
For
the
Test
Points
(T.P.003~T.P.005),
refer
to
the
Parts
Layout
on
P.W.Boards
and
Wiring
Diagram.
ats