KEF HTB2SE Service Manual page 9
Of home theatre 3000 series
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Also See for HTB2SE:
- Installation manual (21 pages) ,
- Brochure (16 pages) ,
- Brochure & specs (8 pages)
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1
2
LINE INPUT
D
CON1
1N4148
C1
D1
VIN
10u/25V
R1
10K
+15V -15V
C
B
A
1
2
3
R13
4K7
+12V
2
U3A
3
C10
C11
1
U1A
BA4560
1
3
BA4560
2
220n
220n
1N4148
R16
R2
-12V
D2
18K
10K
100P
R14
R15
C3
1k2
47k
C2
C12
100P
2.2u/50V
R3
10K
R7
4K3
2
U2A
C6
C7
BA4560
3
220n
220n
R10
18K
R8
R9
1K
68K
C5
3.3u/50V
R44
0R
R48
+12V
DNF
C23 68N
2
U7A
R45
6
U4B
BA4560
R101
R47
R48
7
3
DNF
BA4560
5
DNF
6k8
30k
C24
-12V
22n
-12V
LP Filter @200HZ
3
4
5
3 position side
R17 2K4
S1
6
U3B
C14
1-D
7
4
BA4560
C13
5
1-A
470n
1-C
3
1
470n
1-B
2
R18
R19
36k
DNF
SW-3
C15
C16
DNF
DNF
R22 DNF
R20
R21
R24
DNF
DNF
DNF
C17
DNF
R11 10k
+12V
6
U2B
2
U4A
C9
7
BA4560
1
C8
5
BA4560
1
3
330n
470n
R12
-12V
22k
R5
R4
47K
10K
6
U1B
R27
7
4K3
BA4560
C4
5
+12V
47N
4
R6
+12V
U11A
27K
2
LM13700
VR1
3
R28
2
100K
-12V
20K
-12V
R29
R30
100
100
Limiter
R52
10K
C27
100P
-12V
6
U7B
C25 68n
R51
2
U8A
7
1
R49
R50
BA4560
1
10K
5
BA4560
3
6k8
30k
C26 22n
+12V
4
5
6
R23
0R
R25
R26
R102
DNF
110k
120K
C101
1n
-12V
2
U5A
1
3
BA4560
3
R39
2
+12V
+12V
100K
R31
R40
10K
6K2
5
AGC
R38
4K7
R32
20K
3906
R33
Q1
10K
C
E
6
U5B
7
BA4560
5
R35
R37
1N4148
DNF
R34
3K3
D3
10K
6
R43
5k1
5
100K
-12V
R103
VR2
2
1K
R36
C22
510K
1u/50V
2 position side
TO AMP
R55
C29
0R
R56
10u/25V
NDF
2-C
3
2
C30
R57
R54
2-A
1
2-B
0R
10K
R58
SW-SPDT
10u/25V
S2
NDF
100P
C28
R53
6
U8B
7
BA4560
10k
5
ISSUE
ORIGINAL
c
6
7
8
D
+12V
U6A
D5
1
BA4560
1N4148
-12V
C
R41
15K
R42
18K
U6B
D4
7
BA4560
1N4148
C18
+12V
B
100u/25V
C19
100n
C20
100n
C21
-12V
100u/25V
CON2
OUT+
1
OUT-
2
3
4
Vin
5
+12V
6
7
-12V
8
GND
CON8
A
PRE.AMP
QF Huang
2007.05.21
DESCRIPTION
DRAWN BY
APPROVED BY
DATE
Title:
kht3005
COPY
MODEL:
HTB2SE
PART NO:
1725-824A+0001
SCH FILE:
PRE.SCH
JOB FILE:
29033
GPE INTERNATIONAL LTD.
Sheet
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ROHS
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