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Harman Kardon
6
R1504
6.8K
R1501
3.3K
R1505
D_FR-
1.5K
3.3K
R1503
R1502
D_FR+
1.5K
5
AGND
D
4
3.3K
R1509
R1510
-7V
D_FL+
1.5K
R1511
3.3K
R1512
D_FL-
1.5K
R1513
6.8K
R1522
R1523
R1519
3.3K
10K
R1524
D_SW-
1.5K
R1520
3.3K
R1521
D_SW+
1.5K
5
AGND
4
R1527
3.3K
R1528
-7V
D_CT+
1.5K
R1529
3.3K
R1530
D_CT-
1.5K
R1531
6.8K
R1540
6.8K
R1537
3.3K
R1542
D_SR-
1.5K
R1538
3.3K
R1539
D_SR+
1.5K
5
AGND
4
C
R1545
3.3K
R1546
-7V
D_SL+
1.5K
R1548
R1547
3.3K
D_SL-
1.5K
R1549
6.8K
B
2012.03.01
R1555
D1501
1SS355
ST+5V
1K
D1502
1SS355
+12V
Q1501
T1N144C
T1N144C
FUNC_MUTE
Q1506
HP_MUTE
T1N144C
T1N144C
AMP_GAIN_CONT
A
Q1507
T1N144C
T1N144C
5
R1506
0
C1509
DAC-R
390P
DAC-R
R1515
C1510
+7V
100
10/16V
6
7
8
AGND
3
2
1
DAC-L
DAC-L
C1512
R1516
C1508
100
10/16V
390P
R1514
0
0
C1522
DAC-SW
8200P
C1525
DAC-SW
R1533
+7V
100
10/16V
6
7
8
AGND
3
2
1
DAC-C
R1534
C1526
DAC-C
100
C1523
10/16V
R1532
390P
0
R1541
0
C1536
DAC-SR
DAC-SR
390P
C1538
R1551
+7V
100
10/16V
6
7
8
AGND
3
2
1
DAC-SL
DAC-SL
R1552
C1540
C1537
100
10/16V
390P
R1550
0
MUTE CONTROL
R1590
1K
FUNC_MUTE
TUNER_MUTE1
TUNER_MUTE
-12V
Q1502
R1559
R1562
1M
-12V
100K
R1591
1K
HP_MUTE
Q1505
R1560
1M
R1592
1K
AMP_GAIN_SW
Q1508
R1561
1M
SCHEMATIC DIAGRAM
4
3
+12V
DC PROTECTOR
Q1511
R940=1.5K
RT1P144
Operating: +5.0V~ , -5.0V~
POWER_FAIL
MMBT5551
MMBT5551
Q1513
Q1514
0V
AGND
AGND
AGND
AGND
Q1512
MMBT5551
+12V
AGND
OVERLOAD DETECTION
0V
PROTECT_IN
AGND
R1563
AGND
T12
4.7K
R1564
+12V
T13
4.7K
2
R1571
CURRENT_DET
10K
* 3 Step Detect *
3.8A : VCC 45V->41V
4.3A : VCC 41V->25V
Q1518
MMBT5551
5.96A: Protect
AGND
AGND
AVR1510
D1505
+3.3V_DC
1SS355
Q1516
MMBT5401
Q1517
L1501
MMBT5551
CLZ9R005Z
AGND
AGND
AGND
AGND
+8V
+7V
+12V
CVILM7808RTRL
IC1504
D1503
1
3
IN
OUT
HVD1SR159-200
2
AGND
AGND
AGND
-7V
-8V
-12V
CVILM7908RTRL
IC1505
D1504
2
IN OUT
3
HVD1SR159-200
GND
1
AGND
AGND
AGND
REVISION
1
MODEL
DESIGN
C.D.W
2012.11.08
AVR 151 Service Manual
1
12.12.17
OC_DETECT
R1580
1
POWER_MUTE
P_M
2
0
DC_PROTECT
3
OVERLOAD
4
P_FAIL
5
VOL_CLK
MAIN_VOL_CLK
6
VOL_DATA
MAIN_VOL_DATA
7
TUNER_SCL
TUNER_SCL
8
TUNER_SDA
TUNER_SDA
9
FUNC_MUTE
FUNC_MUTE
10
TUNER_MUTE
TUNER_MUTE1
11
+3.3VC
12
iPHONE_MUTE
13
12.08.13
DGND
14
D
-7V
-7VA
R1572
15
16
AGND
0
+7V
17
+7VA
CHGND
MILAN_R
MILAN_L
1
MILAN_R
MILAN_L
2
AGND
3
BT_L
4
12.08.13
BT_R
5
AGND
6
MIC_SIGNAL
AGND
7
AGND
8
AD-L
AD_RIN
9
AD-R
AD_LIN
10
AGND
11
SUB_IN
12
AGND
13
FL_IN
14
AGND
15
FR_IN
16
AGND
17
CEN_IN
18
C
AGND
19
SL_IN
20
AGND
21
SR_IN
22
AGND
23
HP_L
HPL-OUT
24
AGND
25
HP_R
HPR-OUT
26
AGND
27
AGND
+12V
-12V
12.12.17
AGND
B
MP
ISSUE
ANAM
MULTI. LAB
2012.11.08
2
4
6
3
5
7
A
SCHEMATIC DIAGRAM
SHEET
8
AVR151/230
27
CHECK
APPROVE
DRAWING NO
S.K.S
C.D.C
CUP12503SCDZ
(VOLUME_FILTER)
Page 131 of 131
6
00.00.00
00.00.00
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