Read Harman Kardon PA 5800 (serv.man2) Service Manual online
2 5
Multichannel Power Amplifier
Harman Kardon
PA5800 / SIGNATURE 2.1
PA5800 POWER SWITCH SCHEMATIC (1 of 1)
PA5800
Power
Switch
Schematic
1o
f1
R256 100K
103
C255
16V
107
C259
R235
10K
10K
R223
10K
R222
Q226 A06
GND
C220 107 16V
P205
3
4
2
1
K206
Q225 A06
C12 103
25DX
RL
Y-SPST
PWRSW
-IN
D217
1N4148
C261 107 16V
5V
D260
1N4148
D231
R230
100K
Q234 A56
MUTE
P237-3
P221-3
+12V
R239 10K
R258 1/4
W
47K
C257 104
Q245 A06
Q240 A06
R242
3.3K
FAUL
T
P237-4
C244 104
Q251 A06
C7 106 16V
R245 100K
C1 104 16V
C262 104
1/4
W
R2
1/4
W
R1
47K
47K
P237-2
C253 103
C247 106 16V
P237-1
D1
1N4148
+12V
R252
47K
1/4
W
R248
270
Q5 A56
1N4148 D243
R227
1K
P260-3
P260-2
P271-2
P271-3
COM
D270
GRN
RED
P271-1
DCSENSE
P237-5
P260-1
C211
104
27D
1/4W
R229
Q218 A06
P221-1
10K
S219
POWERSWITCH
R221-2
R281
P280-1
S
TS
1
2
10K
T
J294
P280-3
R282
P280-2
1D0
R283
PWRSW
-IN
2T09
P1-1
F203
P201
P202
P207
1
3
2
4
T1
F208
D212
D215
1N4004
1N4004
C216 104
1N4004
D214
+12V
C210 105 16V
D213
1N4004
GND
R233
10K
16V 107 C228
C224 107 16V
D241
1N4148
1N4148
1N4148 D238
D236
AMP_A.P86-1
AMP_A.P86-3
AMP_B.P86-3
AMP_A.P86-2 AMP_B.P86-1
AMP_B.P86-2 AMP_C.P86-1
AMP_C.P86-2 AMP_D.P86-1
AMP_D.P86-2 AMP_E.P86-1
AMP_D.P86-3
AMP_E.P86-3
AMP_E.P86-2
AMP_C.P86-3
XFR-P
A5800
11
12
13
14
15
16
17
2
10
3
4
5
6
7
8
9
1
TO_P205
TO_P207
R250
4.7K
LM556
U254
1
2
3
4
5
6
13
12
11
10
9
8
DIS2
THR2
CRT2
RST2
OUT2
TRG2
DIS1
THR1
CRT1
RST1
OUT1
TRG1
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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