Harman Kardon HD 980 (serv.man2) Service Manual ▷ View online
harman/kardon
HD 980/230 Service Manual
Page 33 of 46
harman/kardon
HD 980/230 Service Manual
Page 34 of 46
1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
PH1
PC817
LF1
50mH
RV1
FNR10K471
EC1
47u/400V
IC2
KA431
R23
5K1
R24
5K1
1
R1
1M / 1/4W
D1-D4
IN4007
1
R2
68K/1W
1
R3
360K / 1W
D5
1U08
CAUTION:
CY3
102/~400V
CX1
104/~275V
C1
103/1KV
C16
104/25V
High AC Voltage !
RISK OF ELECTRIC SHOCK !
To MotherBoard
R21
47R
D9
FR104(NC)
D8
FR104
EC4
470u/16V
EC7
220u/16V(NC)
EC5
220u/16V
L3
20uH
EC8
220u/16V(NC)
EC6
220u/16V
A +5V / 300mA
A -5V / 5.6mA
C10
104/25V
D13
RF104
R19
220R
A +5V
+5VSB
+5VSB
A +12V
A -12V
A -12V
M +5V
AGND
AGND
DGND
!
!
!
!
!
!
!
!
High DC Voltage !
EARTH
Vin
2
GND
1
Vout
3
IC4
79L05(NC)
CY1
471/~400V
CY2
471/~400V
R20
220R
FU1
T1AL125V(250V)
L
2
N
1
JP1
CON2-8 VH
T1AL250V
AC Input
ABOUT FUSE RATING:
T1AL250V
!
!
!
G2
G1
GND_WASHER
G3
G4
AGND
AGND
GND
-7.5V / 5.6mA
+7.5V / 300mA
Note:
The Test Data Was Got By Playing a Commonly DVD Disk,
And It Was Only Provided For Reference.
And It Was Only Provided For Reference.
D +3.3V
!
D11
FR104
EC12
100u/25V
D10
FR104
EC9
220u/25V
EC11
100u/25V
EC10
220u/25V
L5
20uH
L4
20uH
A+14.5V / 230mA
A-14.5V / 50mA
C11
104/25V
AGND
AGND
-14.5V / 50mA
+14.5V / 230mA
D +5V
D +5V
D +5V
DGND
MGND/DGND
D12
21DQ10
EC14
220u/25V
EC15
220u/25V
L6
20uH
EC16
220u/10V
A +5V / 200mA (1A Max)
C12
104/25V
ADJ
1
Vout
2
Vin
3
IC5
LM317
+7.5V / 200mA
R13
220R
R14
680R
SC1
MCR100-6
R15
10K
R16
100R
Q2
9014
D14
1N4148
EC17
47u/25V
DGND
DGND
L7
10uH
EC20
1000u/16V
D15
31DQ06
EC19
1000u/16V
Imax=1.2A
C15
104/25V
+5.0V / 660 mA
D17
IN4001
+3.3V / 160mA
Vin
1
GND
2
Vout
3
IC6
BA033T
EC21
220u/10V
+5V / 660mA
+4.24V
D16
1N4148
EC18
47u/25V
R18
2.2K
R17
2.2K
L8
20uH
STANDBY
+5VSB
+5VSB
DGND
DGND
DGND
DGND
Vin
1
GND
2
Vout
3
IC3
LM7805
EC22
2.2u/25V
C13
473/25V
D18
1N4148
Q3
8550
R25
5K1
R22 2.2k
CN1
CN2
1
3
8
9
10
11
13
12
14
15
14
10
16
REV 2.7
1254C
5
6
7
8
1
2
3
4
IC1
KA5L0365R
R4
10R
D6
FR104
D7
FR107
R5
47K / 1/4W
47K / 1/4W
R6
10R
10R
Q1
2N5551
ZD1
16V
16V
C2
473 / 25V
473 / 25V
EC3
4.7uF/160V
EC2
47uF/50V
C3
683 / 25V
NTC
5
6
7
C14
104/25V
Drain
Drain
Drain
Drain
FB
GND
VCC
NC
R26
1K
ZD2
18V
+5VSB
+5VSB
HD950 SMPS Schematic
harman/kardon
HD 980/230 Service Manual
Page 35 of 46
HD980 SMPS BOARD
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 Y1 hang up.
2.Add R185 and C116, and both be valued "NA".
4.Delete net "MISO".
6.Connected Pin6 of T1 to "singal" net,and Connected Pin4 of T1 to "GND" net.
7.Delete U17A(74LCX125) and replace it with U15C(74LCX125).
5.Renamed net "CS_75710" as "CS_75711".
8.Some Part Reference of components was changed, such as Capacitor, Electrolytic Capacitor, IC, connectors, MOSFET etc.
9.Deleted C49, and made pin4/pin5/pin6 of JP1 hung up.
REV 1.1:
1.Add R186,R187;
2.Connected PIN38 and PIN69 of U6;
2.Connected PIN38 and PIN69 of U6;
3.Add net mame "ATA_CS1#"、"ATA_CS0#"、"ATA_RDY"、"ATA_RST#"、"D[0..15]" and
"A[1..19]"、"VFD_STB"、"DATA/SDA"、"CLOCK/SCL"、"IR".
"A[1..19]"、"VFD_STB"、"DATA/SDA"、"CLOCK/SCL"、"IR".
3.Change Q3,Q4,Q5,Q6 into TO-92 Footprint;
4.Add TR1;
5.Change R56,R88 from 22K to 2.2K.
5.Change R56,R88 from 22K to 2.2K.
6.Change JP5.
REV 1.2:
1.remove U15, U18, U19, U21, U22, U25;
2.R98, R99, R100, R101, R102, R128, R133, R136, R144, R132, R135, R143, R146, R126, R106, R127, R131, R134;
3.remove C95, C99, C100, C101;
3.remove C95, C99, C100, C101;
4.connect MCLK_8740 to the oscillator at R129;
5.delete Isolation Transformer.
5.delete Isolation Transformer.
6.remove RJ45 connector.
7.Replace U15C with 74HCT14D.
8.Add C118, C119, C120, C121, C122, C123, and all Valued "NA".
8.Add C118, C119, C120, C121, C122, C123, and all Valued "NA".
9.Deleted C96, C97, C98, CE35, U24, and connected net "+3.3V" to L3.
1.Add C124~C154;
2.Add D15
REV 1.3:
HD980
HD980 History
Harman Kardon
A3
1
9
Friday, September 19, 2008
Title
Size
Document Number
Rev
Date:
Sheet
of
drawn by
ABC PCB S鄏l
Ch. du Saux 17
CH-1131 Tolochenaz
harman/kardon
HD 980/230 Service Manual
Page 36 of 46
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