Harman Kardon HD 990 (serv.man7) Service Manual ▷ View online
harman/kardon
HD 990/230 Service Manual
Page 33 of 46
5
5
4
4
3
3
2
2
1
1
E
E
D
D
C
C
B
B
A
A
History
REV 1.0:
1.Make Pin1 of Y3 hang up.
2.Add R258 and C102, and both be valued "NA".
3.Add net mame "ATA_CS1#" "ATA_CS0#" "ATA
2.Add R258 and C102, and both be valued "NA".
3.Add net mame "ATA_CS1#" "ATA_CS0#" "ATA
、
、
_RDY"、"ATA_RST#"、"VFD_STB"、"DATA/SDA"、"CLOCK/SCL"、"IR"、"D[0..15]" and "A[1..19]".
4.Renamed net "CS_75710" as "CS_75711".
5.Renamed net "CS_1955_1#" in which Pin25 of U11 is connected as "CS_1955_2#".
6.Delete the Capacitors that connected Pin4,5,6 of JP5 and JP7.
7.Add FB11, FB12, FB13, FB14, CE20, CE42, CE51, CE52, CE54, CE55, CE56, CE57, CE58, CE59, CE60, CE61 and CE62.
8.Change the Y1's PCB Footprint into "DIP" Footprint.
9.Delete Y2, C83 and RN1 in the original schematics.
5.Renamed net "CS_1955_1#" in which Pin25 of U11 is connected as "CS_1955_2#".
6.Delete the Capacitors that connected Pin4,5,6 of JP5 and JP7.
7.Add FB11, FB12, FB13, FB14, CE20, CE42, CE51, CE52, CE54, CE55, CE56, CE57, CE58, CE59, CE60, CE61 and CE62.
8.Change the Y1's PCB Footprint into "DIP" Footprint.
9.Delete Y2, C83 and RN1 in the original schematics.
REV 1.1:
1.Add C165~C186, and all valued "NA";
2.Add U39, U40, T3, T4;
2.Add U39, U40, T3, T4;
4.Delete U9, U16, U18, U19, U21;
3.Add R259, R260, R265, R264, R261(NA), R262(NA), R263, R266, R267, R268, C164, C181, C182;
5.Delete C65, C104, C61, C71, R105, R119, R124, R129, R107, R108, R110, R111;
6.Change R99 to 100R;
7.Replaced U21D with U12D;
8.Renamed net "DAC_SDATA_R1" as "DAC_SDATA_L"; and Renamed net "DAC_SDATA_R2" as "DAC_SDATA_R".
6.Change R99 to 100R;
7.Replaced U21D with U12D;
8.Renamed net "DAC_SDATA_R1" as "DAC_SDATA_L"; and Renamed net "DAC_SDATA_R2" as "DAC_SDATA_R".
REV 1.2:
1.Change R5, R26, R46, R67 to 820R;
2.Add R272, R273, R274 valued 0R;
3.Add C187/0805-47pF and C188/0805-100nF;
4.Add U41/SN74LVC244;
5.Change R90, R91, R92 to 47R;
6Change some connections between U40A and U12C
7.Add a 47R resistance between U40 PIN5 and U12C PIN12.
8.Change 3.3V supply of JP4 to 5V.
2.Add R272, R273, R274 valued 0R;
3.Add C187/0805-47pF and C188/0805-100nF;
4.Add U41/SN74LVC244;
5.Change R90, R91, R92 to 47R;
6Change some connections between U40A and U12C
7.Add a 47R resistance between U40 PIN5 and U12C PIN12.
8.Change 3.3V supply of JP4 to 5V.
REV 1.3:
1.Add C198,R276.
REV 1.4:
1.Exchange L/R channel.
3.Add D22;
4.Change U2 and U6 from OP275GS to OPA2134UA;
5.Delete C3, C7, C17, C20, C25, C29, C39, C42, C12, C22, C34, C44, C4, C18, C26, C40, C5, C19, C27 & C41 and change them to C174, C168, C171,
C169, C182, C178, C180, C179, C173, C167, C181, C176, C183, C184, C185, C186, C172, C170, C177 & C175 MKP type caps one to one.
4.Change U2 and U6 from OP275GS to OPA2134UA;
5.Delete C3, C7, C17, C20, C25, C29, C39, C42, C12, C22, C34, C44, C4, C18, C26, C40, C5, C19, C27 & C41 and change them to C174, C168, C171,
C169, C182, C178, C180, C179, C173, C167, C181, C176, C183, C184, C185, C186, C172, C170, C177 & C175 MKP type caps one to one.
2.change R12, R33, R53 and R74 to 510R 1%.
6.Add C65, C66, C71, C67 & C190-C216.
8.Add CE52.
7.Add C217 & C218 be valued NA.
REV 1.5:
1.Add CON7; Add CE63; Add RF Test Point.
013_05_100 MAIN
HD990 main board
Harman Kardon
Custom
1
10
Saturday, September 13, 2008
Title
Size
Document Number
Rev
Date:
Sheet
harman/kardon
HD 990/230 Service Manual
Page 34 of 46
5
5
4
4
3
3
2
2
1
1
E
E
D
D
C
C
B
B
A
A
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%
I/V conversion
5604C
1.5
HD 990 Main board
Harman/Kardon
Custom
2
10
Tuesday, October 07, 2008
Title
Size
Document Number
Rev
Date:
Sheet
MUTE_1955
MOSI
DAC_SDATA_L
SCK
DAC_BITCLK
RST_1955#
DAC_MCLK_2
CS_1955_2#
DAC_LRCLK
DAC_SDATA_R
UNBAL_L
+12VA
+12VA
-12VA
-12VA
+12VA
+5VA
+5V
+12VA
-12VA
-12VA
+12VA
-12VA
+12VA
-12VA
+12VA
+12VA
+5V
C10
100nF
+
CE4
47uF/25V
1
2
R18
330R
R35
47K
-
+
U1A
OP275GS
2
3
4
8
1
R10
56R
Q15
2SC2406
3
2
1
Q3
2SC2406
3
2
1
R36
2K2
R14
47K
FB11
100R
K1A
RELAY JRC-19F
4
6
8
C13
100nF
R6
2K2
R30
100R
B
C
E
Q4
2SA1035
2
3
1
B
C
E
Q1
2SA1035
2
3
1
Q11
2SC2406
3
2
1
U3
AD1955
1
15
10
28
18
17
11
12
21
8
9
2
3
4
27
25
26
24
6
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
LRCLK/EF_WCLK
BCLK/EF_BCLK
SDATA/EF_LDATA
MCK
CLATCH
CCLK
CDATA
DSD_SCLK
DSD_LDATA
EF_RDATA
RST
ZERO_R
MUTE
AGND
FILTB
IREF
FILTR
C168
680pF
R20
47K
R13
330R
Q16
2SC2406
3
2
1
C1
100nF
R19
330R
R31
56R
R4
680R
C8
100nF
+
CE3
47uF/25V
1
2
B
C
E
Q6
2SA1035
2
3
1
B
C
E
Q2
2SA1035
2
3
1
R7
330R
FB12
100R
B
C
E
Q12
2SA1035
2
3
1
Q8
2SC2406
3
2
1
C167
100nF
C6
100nF
C14
100nF
+
CE60
100uF/10V
1
2
B
C
E
Q10
2SA1035
2
3
1
Q5
2SC2406
3
2
1
R28
330R
C15
100nF
R41
47K
+
CE59
100uF/10V
1
2
R40
330R
-
+
U4A
TL072
2
3
4
8
1
R25
680R
K1B
RELAY JRC-19F
13
9
11
R34
330R
-
+
U1B
OP275GS
6
5
4
8
7
C169
680pF
R3
15K
R12
510R
R29
2K7
R33
510R
R5
820R
R8
2K7
C183
3.3nF
B
C
E
Q9
2SA1035
2
3
1
JP2
XLR male
1
3
2
G
R11
2K7
+
CE1
47uF/25V
1
2
+
CE5
47uF/25V
1
2
R37
680R
C170
2.2nF
C171
680pF
C2
100nF
R32
2K7
R1
330R
JP1
AV2-8.4-1G
2
1
3
2
1
3
Q7
2SC2406
3
2
1
-
+
U2B
OP2134UA
6
5
4
8
7
-
+
U4B
TL072
6
5
4
8
7
R15
2K2
C172
2.2nF
C184
3.3nF
R24
15K
R21
2K7
C21
100nF
R38
47K
R16
680R
R39
330R
R9
100R
C173
100nF
R2
330R
R26
820R
R22
330R
C9
100nF
C16
100nF
B
C
E
Q14
2SA1035
2
3
1
+
CE2
47uF/25V
1
2
-
+
U2A
OP2134UA
2
3
4
8
1
R27
2K2
C11
100nF
R17
47K
Q13
2SC2406
3
2
1
R23
330R
C174
680pF
+
CE6
47uF/25V
1
2
harman/kardon
HD 990/230 Service Manual
Page 35 of 46
5
5
4
4
3
3
2
2
1
1
E
E
D
D
C
C
B
B
A
A
Servo DC
Servo DC
1%
Differential output stage
I/V conversion
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%
Differential output stage
1%
1%
1%
1%
5604C
1.5
HD 990 Main board
Harman/Kardon
Custom
3
10
Tuesday, October 07, 2008
Title
Size
Document Number
Rev
Date:
Sheet
MUTE_1955
DAC_LRCLK
RST_1955#
MOSI
SCK
DAC_SDATA_L
DAC_BITCLK
DAC_MCLK_1
CS_1955_1#
UNBAL_L
-12VA
+12VA
+12VA
+12VA
+12VA
-12VA
-12VA
-12VA
-12VA
+12VA
-12VA
+12VA
+12VA
+12VA
+5V
+5VA
+5V
+5V
R52
2K7
B
C
E
Q18
2SA1035
2
3
1
FB13
100R
C28
100nF
R42
330R
Q21
2SC2406
3
2
1
R56
2K2
B
C
E
Q20
2SA1035
2
3
1
R80
330R
C175
2.2nF
C36
100nF
-
+
U8B
TL072
6
5
4
8
7
R60
330R
B
C
E
Q17
2SA1035
2
3
1
R75
330R
+
CE9
47uF/25V
1
2
C176
100nF
Q19
2SC2406
3
2
1
+
CE62
100uF/10V
1
2
R71
100R
R59
330R
-
+
U5A
OP275GS
2
3
4
8
1
C38
100nF
R79
47K
C23
100nF
K2A
RELAY JRC-19F
4
6
8
R72
56R
R47
2K2
R45
680R
U11
AD1955
1
15
10
28
18
17
11
12
21
8
9
2
3
4
27
25
26
24
6
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
LRCLK/EF_WCLK
BCLK/EF_BCLK
SDATA/EF_LDATA
MCK
CLATCH
CCLK
CDATA
DSD_SCLK
DSD_LDATA
EF_RDATA
RST
ZERO_R
MUTE
AGND
FILTB
IREF
FILTR
R82
47K
C35
100nF
+
CE12
47uF/25V
1
2
R77
2K2
R43
330R
Q29
2SC2406
3
2
1
+
CE8
47uF/25V
1
2
C177
2.2nF
R57
680R
+
CE11
47uF/25V
1
2
R53
510R
Q27
2SC2406
3
2
1
C185
3.3nF
R73
2K7
C178
680pF
R62
2K7
R81
330R
C179
680pF
C37
100nF
R67
820R
R51
56R
R76
47K
-
+
U6A
OP2134UA
2
3
4
8
1
C186
3.3nF
R74
510R
R78
680R
R49
2K7
-
+
U8A
TL072
2
3
4
8
1
C43
100nF
R54
330R
R50
100R
R61
47K
C31
100nF
C180
680pF
R64
330R
C24
100nF
Q23
2SC2406
3
2
1
R70
2K7
K2B
RELAY JRC-19F
13
9
11
C33
100nF
C30
100nF
B
C
E
Q28
2SA1035
2
3
1
R55
47K
Q32
2SC2406
3
2
1
B
C
E
Q30
2SA1035
2
3
1
R48
330R
+
CE61
100uF/10V
1
2
R46
820R
R63
330R
B
C
E
Q26
2SA1035
2
3
1
C32
100nF
+
CE10
47uF/25V
1
2
R68
2K2
C181
100nF
FB14
100R
R66
680R
R44
15K
C182
680pF
R65
15K
+
CE7
47uF/25V
1
2
Q24
2SC2406
3
2
1
-
+
U6B
OP2134UA
6
5
4
8
7
-
+
U5B
OP275GS
6
5
4
8
7
B
C
E
Q22
2SA1035
2
3
1
R69
330R
Q31
2SC2406
3
2
1
R58
47K
B
C
E
Q25
2SA1035
2
3
1
JP3
XLR male
1
3
2
G
harman/kardon
HD 990/230 Service Manual
Page 36 of 46
Click on the first or last page to see other HD 990 (serv.man7) service manuals if exist.