Harman Kardon HK 990/230 - Page 8

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
0V
230V
45V
15V
15V
45V
diodes mounted on heatsink
100K
+/- 16VDC rails current:
1. 0.2mA for TL061
2. 4mA for OPA2134
3. 4mA for input stage
60VAC
45VAC
60VAC
45VAC
FAULT#
SPEAKER B
SPEAKER A
OUTPUT
INPUT
MUTE#
SENSE-
SENSE+
-16V-80V
+80V +16V
+60V
-60V
+60V
+60V
-16V
+16V
+60V
EGND
R62
10K
RL3A
HF-115F-048-1ZS3B
3
2
4
R94
10K
R24
2K2 1W
D24
DL4148
C36
100nF
R26
0.22R(RF) 2W
J1
7P * 2mm
1
2
3
4
5
6
7
+
C11
1000uF/100V
R11
5R 5W
+
RL3C
HF-115F-048-1ZS3B
1
10
D1
MUR2020
R79
10K
C15
10nF/250V
C9
47nF/100V
JP2
Faston 6.3
1
2
1
2
+
C12
6800uF/80V
R4
10K 3W
R82
10K
t
RT1
CWF51-104J-3951(100K)
R57
22K
C33
2.2uF
R61
10K
D8
BAS20
R83
4K3
Q39
MJD243
34
1
R58
1K
R93
33K
C35
47nF
R92
33K
R10
5R6 1W
D6
ZMM16ST(16V)
JP5
Faston 6.3
1
2
1
2
RL3B
HF-115F-048-1ZS3B
8
7
9
R95
22K
C5
10nF/250V
Q43
2SA1255
1
23
+
C7
1000uF/100V
-
+
U4
TL061CD
5 1
6
2
3
74
C31
47uF
+
RL4C
HF-115F-048-1ZS3B
1
10
D4
MUR2020
D27
BAS20
JP3
Faston 6.3
1
2
1
2
+
C4
6800uF/80V
C8
10nF/250V
C37
47uF
R15
22K 3W
R30
10K
Q42
2SC3138
2 3
1
R1
2K2 1W
R60
10K
R22 6K2 1/2WQ44
2SC3138
2 3
1
C14
10nF/250V
D23
DL4148
Q20
MJD253
1
34
JP8
Faston 6.3
1
2
1
2
R96
2K4 2W
-
+
D3
GBU8D
2
1
3
4
D19
DL4148
Q40
2SC3138
2 3
1
R80
390R
D26
ZMM16ST(16V)
RL4A
HF-115F-048-1ZS3B
3
2
4
C28
330pF
C19
1uF
R77
68K
JP9
1
2
1
2
+
C3
6800uF/80V
C34
1uF
R27
0.22R(RF) 2W
R3
22K 3W
R59
22K
R91
33K
Q41
2SC3138
2 3
1
R12
1R 5W
D2
MUR2020
R90
1K
JP7
1
2
1
2
JP4
Faston 6.3
1
2
1
2
R29
22K
Q21
2SC3138
2 3
1
L1
2.2uH
D16
DL4148
R78
10K
RL4B
HF-115F-048-1ZS3B
8
7
9
C32
1uF
JP10
1
2
1
2
R89
10K
U2
PC817A
1
2
3 4
R25
10K
C10
47nF/100V
D5
MUR2020
R97
2K4 2W
R28
1K
JP1
1
2
1
2
JP6
Faston 6.3
1
2
1
2
+
C13
6800uF/80V
C20
1uF
R16
10K 3W
R81
390R
106