Alpine 3547 Service Manual page 18

Bridgeable power amplifier
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NOTE:
3547
3547
1. All resistance values are in ohms.
K= 1,000 M= 1,000,000
2. All capacitance values are in microfarads. P= 1/1,000,000
Q513
9803
Q605,
501 QB10 505 507 0509 051i
0503
go
Q514
9804
Q606
0502 08090506 0508 510 0512
2504
ggo2
3
att sso)
1C501
5
20803
STK350
Q501,502
Q505,506 507,508 Q509,510 Q511,512
KRC2690A KSAIZ20A_KTO7I8
KTB688
MTZJI58
PRE
DRIVER
————|POWER
AMP
SP. Output
£09
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220
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R501
y
Pa
ane
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4.7/50
rere
ers
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rf ON
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ae
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S
Leh
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BUFFER
AMP
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3
|
RSI
470
KTC3198
OVER LOAD
SENSOR
ATS 2 aK
___(K
4.17/50
+
ET501 (2/2) T
|
$102- 2
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R526
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C516,
0.022
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C504
IOP
050! ~ 506
ISS133
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MTZJ15B
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5
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OAD PROTECTOR
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2/18
1C80l
yPC494C
[REGULATOR
SWITCHING CONTROL
6800P
R83!
56 (1/2W)
[=25v)
0802,803
0805
0806
1N4003
FMG22R
FMG22S
2
Power Supply P.C.Board
heeds
Q804
KTC3198
¢
oN
(1)| BATT
14.35V
CURRENT PROTECTOR
LOW VOLTAGE | REFERENCE
Q80!
Q802
STOP
REGULATOR
KSAI220A_
KSRIOO2
;
+B
SWITCHING
Z0801
q
DEAD-TIME
COMPARATOR
;
REMOTE
(dr)
RBO!
801
®
9.1K
—?
(3)| GND
|
ET8OI
;
eee ad
D
E
aaa
G
H
56.6mV
15V
T isv | tsv | t5v | sv |
2.9mV
0.
| o.84mv |
<Voltage Measuring Conditions >
Pow
Nees
Power Supply
:DC14.4V
Measuring Meter
: Digital Multimeter
Measuring Point Reference : Between Ground
Measuring Conditions
: No Signal Input
—26— J

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