Alpine 7390M - Schematic Diagrams (continued); Schematic Diagram (1;3) (continued)

1C501 1C201
IC6
Q4 Q201,Q203
Q202,Q204
Qit Q12 Q14 Q2! Q13 Qlo
7390M
= ee ea ae B c20 TO SCHEMATIC
- C202 1m DIAGRAM(3/3)
= POWER Ed Sarr’ * 4.7/507p fe *
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[7] 2.08V [18] 3.07V |
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[9] 2.98v [2q_3_12v |
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OV/4V
#32 1
Min
os fos
faavovTov/sav]
ov
|
MUTE
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1, POWER
SUPPLY
:
DC
14V
ak
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9
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[isrv
[rev
fT
2,
MEASURING
TOOL
:
DIGITAL
MULTI
VOLTMETER
:
ZI
Qs
Ql
foil
[78v/asv]
a5v/ov[
8.6V
|
FM/(MW/LW)
|
TO
SCHEMATIC
3,
MEASURING
POINT
REFERENCE
:
BETWEEN
GROUND
TO
SCHEMATIC
068
(3)
(6)
Ye)
/
VE
am
2SD602A
[oi2{asv/7avilav/asv|
8.6V
|
FM/(MW/LW)
|
piacram
(2/3)
4,
MEASURING
CONDITIONS
:
FM
98.1MHz
100%
MODULATION
1
aGRAM
(2/3)
‘
a) 6)
ras[
92v
[sav
[
sev
|
52
(
Ps
AM
1000KHz
30%
MODULATION
25
Sx
fala
[Ov74.7v
[eev70V|
OV
[FM/7(MW/LW)_|
TAPE
BL
4
g2o] is3v_[
26v
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ANK
DOLBY
OFF
28
/
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|
gs
Si
gait
2ev
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ft
ov
ff
23
/
Lovie
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FM
7
MW
/
LW
OK
BPF
DK
COMPARATOR
DK
#1
O.77V
0.78V
3.64V
SWITCHING
#2
06V
03V
OV
NOTES:
1. All resistance values are in ohms. K = 1,000
2. All capacitance vaiues are in microfarads. P =
D
|
E
|
F
—38—
|
G
|
H
|
|
J
—3-
|
1
1,000,000
~ 4