Read Harman Kardon HD 990 (serv.man7) Service Manual online
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Replace
the
BA6208
the
BA6208
change from 2.2k
This connector support SF-HD850
1%
■■■ NET "PVCC"--1A;
■■■ NET "PVCC"--1A;
4.6V
5604C
1.5
HD990 main board
Harman Kardon
A3
7
9
Tuesday, October 07, 2008
Title
Size
Document Number
Rev
Date:
Sheet
of
drawn by
ABC PCB S鄏l
Ch. du Saux 17
CH-1131 Tolochenaz
SPIN-
SPIN+
TR-
SLED-
SLED-
SLED+
SPIN+
LOAD+
SLED+
SPIN-
SPIN+
SPIN-
LOAD-
TR+
LOAD-
LOAD+
F-
F+
INTRAY
OUTTRAY
TRO
DMO
FOO
FMO
TRAYOUT#
TRAYIN#
LIMIT#
GIO5
GIO4
F-
F+
TR-
TR+
DMOEN
PVCC
PVCC
PVCC
PVCC
PVCC
VRD
VRD
VRD
VRD
VRD
VRD
VRD
D5V
D5V
D5V
D5V
B
C
E
Q36
8550
2
1
3
Q39
8050
1
3
2
C97
100nF
R206
1R
R190
4K7
R197
0R
R177
1M
C96
100pF
R200
8K2
R198
47K
R186
560R
560R
Q38
8050
1
3
2
C100 10nF
C102
NA
R180
240R
R188
1M
R185
10K
10K
R207
1R
R201
0R
C
99
100nF
C95
47nF
C90
390pF
FMSO1
TOSO1
R195
2K2
B
C
E
Q37
8550
2
1
3
C88
100nF
C94
100pF
R203
8K2
R204
1R
R178
1K5
1K5
C87
100nF
CN3
CON5_2.0MM_DIP
1
2
3
4
5
+
-
U27B
LM393
5
6
7
8
4
R205
1R
R183
100R
+
-
U27A
LM393
3
2
1
8
4
R199
2K2
R181
240R
C91
100nF
C89
390pF
C98
680pF
R202
5K1
C86
100nF
FOFO1
R194
0R
R182
22K
22K
C101
10nF
R193
2.2K
C93
470pF
R192
22K
22K
R189
1K5
1K5
DMO1
D22
1N5819
1
2
R191
0R
R184
100R
R179
4K7
R176
10K
10K
+
CE32
100uF/10V
1
2
R187
560R
560R
R196
47K
CN4
CON6_2.0MM_DIP
1
2
3
4
5
6
C92
470pF
U28
BA5888FP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
29 30
VINFC
CFCERR1
CFCERR2
VINSL+
VINSL-
VOSL
VNFFC
VCC
PVCC1
PGND
VOSL-
VOSL+
VOFC-
VOFC+
STBY
BIAS
VINTK
CTKERR1
CTKERR2
VINLD
PREGND
PVCC2
VNFTK
PGND
VOLD-
VOLD+
VOTK-
VOTK+
GND GND
+
CE31
100uF/10V
1
2
harman/kardon
HD 990/230 Service Manual
Page 42 of 46
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