Read Harman Kardon HD 970 (serv.man9) Service Manual online
5
5
4
4
3
3
2
2
1
1
E
E
D
D
C
C
B
B
A
A
I/V conversion
I/V conversion
Servo DC
Servo DC
Differential output stage
Differential output stage
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
1%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
NPO 5%
1%
1%
1%
1%
1%
1%
HD970_PC01
1.2
HD 970 Main board
Harman/Kardon
A3
2
5
Title
Size
Document Number
Rev
Date:
Sheet
of
MUTE_OUT
RST_1955#
LRCLK
SDATA_R
SDATA_L
BITCLK
MCLK_1955
CS_1955#
MOSI
SCK
MUTE
MUTE_OUT
-12VA
+12VA
+12VA
+12VA
+12VA
+12VA
-12VA
-12VA
-12VA
-12VA
-12VA
+12VA
-12VA
+12VA
+5V
+5VA
+5V
-12VA
+12VA
+12VA
+12VA
+12VA
+12VA
C27
680pF
680pF
Q8
2SC2406
2SC2406
2
3
1
R40
330R
330R
R62
2K2
2K2
C26
100nF
100nF
R29
680R
680R
R21
100R
100R
-
+
U5B
OPA2134UA
OPA2134UA
6
5
4
8
7
Q13
2SC2406
2SC2406
2
3
1
FL1
NFM61R
NFM61R
1
2
3
C33
1.5nF
1.5nF
C18
100nF
100nF
C29
680pF
680pF
Q10
2SC2406
2SC2406
2
3
1
TP3
C50
100nF
100nF
Q16
2SA1035
2SA1035
1
2
3
R31
680R
680R
R42
330R
330R
R67
2K2
2K2
R60
2K2
2K2
R23
330R
330R
C28
100nF
100nF
-
+
U7A
OP275GS
OP275GS
2
3
4
8
1
-
+
U8A
OP275GS
OP275GS
2
3
4
8
1
C21
100nF
100nF
Q7
2SA1035
2SA1035
1
2
3
R71
470R
470R
C40
100nF
100nF
R55
2K7
2K7
TP5
R64
1K
1K
C22
680pF
680pF
+
C44
47uF/25V
C6
2.2nF
2.2nF
R28
680R
680R
R41
330R
330R
-
+
U5A
OPA2134UA
OPA2134UA
2
3
4
8
1
Q18
2SC2406
2SC2406
2
3
1
Q12
2SC2406
2SC2406
2
3
1
R65
1K
1K
R61
2K7
2K7
FL2
NFM61R
NFM61R
1
2
3
R57
2K7
2K7
C45
100nF
100nF
R66
1K
1K
R68
2K2
2K2
TP9
C24
680pF
680pF
R13
47K
47K
TP2
Q20
2SA1035
2SA1035
1
2
3
Q15
2SA1035
2SA1035
1
2
3
R24
330R
330R
R20
100R
100R
R50
2K2
2K2
+
C11
47uF/25V
47uF/25V
TP6
Q21
2SA1035
2SA1035
1
2
3
+
C13
47uF/25V
47uF/25V
C17
100nF
100nF
Q17
2SC2406
2SC2406
2
3
1
+
C14
47uF/25V
47uF/25V
Q22
2SA1035
2SA1035
1
2
3
R35
330R
330R
-
+
U4B
OPA2134UA
OPA2134UA
6
5
4
8
7
J4
RCA double
RCA double
1
2
3
C32
100nF
100nF
R70
2K2
2K2
Q11
2SC2406
2SC2406
2
3
1
R51
47K
47K
-
+
U7B
OP275GS
OP275GS
6
5
4
8
7
R14
47K
47K
TP7
R25
330R
330R
-
+
U4A
OPA2134UA
OPA2134UA
2
3
4
8
1
C46
100nF
U11
AD1955
AD1955
1
15
10
28
18
17
17
11
12
12
21
8
9
9
2
3
4
3
4
27
25
26
24
26
24
6
7
7
5
23
20
22
19
16
14
13
DVDD
AVDD
AGND
DGND
OUT L+
OUT L-
OUT R+
OUT R-
ZERO_L
DSD_RDATA
DSD_PHASE
DSD_PHASE
LRCLK/EF_WCLK
BCLK/EF_BCLK
SDATA/EF_LDATA
BCLK/EF_BCLK
SDATA/EF_LDATA
MCK
CLATCH
CCLK
CDATA
CCLK
CDATA
DSD_SCLK
DSD_LDATA
DSD_LDATA
EF_RDATA
RST
ZERO_R
MUTE
AGND
FILTB
IREF
FILTR
R49
47K
47K
R45
330R
330R
R30
680R
680R
C
B
E
4.7K
Q5
DTC343TK
DTC343TK
Q19
2SC2406
2SC2406
2
3
1
+
C12
47uF/25V
47uF/25V
Q14
2SA1035
2SA1035
1
2
3
R52
2K2
2K2
R26
330R
330R
R39
330R
330R
R46
330R
330R
R54
47K
47K
R69
470R
470R
+
C48
47uF/25V
C7
2.2nF
2.2nF
TP8
R72
2K2
2K2
R63
1K
1K
C23
100nF
100nF
C34
1.5nF
1.5nF
R38
15K
15K
-
+
U8B
OP275GS
OP275GS
6
5
4
8
7
R59
2K7
2K7
C41
100nF
100nF
R36
330R
330R
R37
100R
100R
C35
1.5nF
1.5nF
C31
100nF
100nF
R43
100R
100R
Q9
2SA1035
2SA1035
1
2
3
C
B
E
4.7K
Q6
DTC343TK
DTC343TK
C47
100nF
R56
47K
47K
R77
2K7
C36
1.5nF
1.5nF
R44
15K
15K
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