Read Harman Kardon PA 5800 (serv.man2) Service Manual online
2 6
Multichannel Power Amplifier
Harman Kardon
PA5800 / SIGNATURE 2.1
PA5800 POWER AMPLIFIER SCHEMATIC
NOTE
:top
part
of
schematic
is
typical
for
all
five
power
amps
and
reference
designators
have
suf
fixes
A-E
for
respective
channels
PA5800
Power
Amplifier
Schematic
C34 102
R16
1K
R28
100
C50 476 63V
R13
1K
J1
S
T
TS
R2
100K
C17 476
RCA/15
C12 271
33K
R11
Q14 2SC2240
Q18
2SC2240
R19
R15
100
100
MUTE
47K
R87
C45
15pf
50DM
C22 477 10V
Q37 2SA970
33.2K
R43
1N4148
D33
R65
2.2K
22K
R66
Q64
2SC3478
C67 131 500M
R78
1.2K
R95
1002UH
L94
R3W
R61
R3W
R84
R93
10
2SC4793 Q88
Q99
2SC5242
Q98 2SC5242
R32
5.6K
.33
.33
R3W
R60
R3W
R83
.33
.33
P75-1
P75-2
R74
5.6K
R96
10
L97
2UH
Q100 2SA1962
Q101 2SA1962
C57 104
Q92 2SA1B37
2
1
3
R70 500
R72
1K
Q82 2SA1376
Q79 2SC3476
DB0
D81
1N4148
R62
22K
1N4148
R77
470
470
R28
R76
100
R54
10
-50
R2W R85 6.8K
C26 828 50V
C27 828 50V
-50
C52
104
100V
F59
F58
BR53
P86-1
P86-3
P86-2
+50V
C51
104
100V
Q23 A06
R21
180
Q24 A06
D31
1N4148
63V 476 C49
R3
1.24K
Q89 A06
5.6K
R73
C71 106
R42
3.3K
Q48
2SC3478
1
C44 106 16V
L47
.4UH R47
R2W 5.1 R8
CHGND
C9 104 E100
C7 271
DCSENSE
R102
47K
1N4004
D92
J5
BINDPOST/H
BLK
RED
C6 271
FAUL
T
D90
1N4004
D5
1N4148
R2W R48 6.8K
+50V
C56 104
R55
10
2
1
100
470
R63
R68
Q69 2SA1376
Q30 2SA970
R35
470
C38 102
100
R36
R20
1K
DCSENSE
MUTE
P123-3
P123-5
NOTE
:bottom
part
of
schematic
shows
components
of
which
there
is
only
one
each.
P123-2
P123-1
TH124
THERSW
+50V
FAUL
T
R120
3.3K
C124 104
Q121 A56
P123-4
1N4148
D122
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
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