DOWNLOAD Harman Kardon OMNI 20 Service Manual ↓ Size: 3.03 MB | Pages: 31 in PDF or view online for FREE

Model
OMNI 20
Pages
31
Size
3.03 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
omni-20.pdf
Date
PREV: Harman Kardon OMNI 10 Service Manual

Harman Kardon OMNI 20 Service Manual ▷ View online

Page 21 of 31
2 
 
Microphone 
AK7742 
 
 
Bluetooth 
ROM 
BM835 
using 
BC8635 
 
UART/GPIO 
BT_audio 
I2S_Firecast 
I2S_Output 
Block Diagram of HK FC 2 
 
Aux in 
 
Firecast  
Module 
 
 
Open Frame Power Adaptor 
19V/3A  
 
SW 
DC-DC 
TPS54331 
LDO 
AS1117A 
SW 
+19V AMP 
+5V 
+3.3V 
+3.3V 
+1.2V 
+5V 
 
Audio 
 Clock Gen 
AK8142 
 
I2C 
MIC AMP 
Aux in 
Sense 
Aux in Sense 
Aux Plug in Detect 
LDO 
AS1117A 
LDO 
AS1117A 
 
Class D 
Amp 
TPA3116 
 
 
Class D 
Amp 
TPA3116 
 
Limiter 
LM13700 
Left Tweeter 
Right Tweeter 
Left  Woofer 
 Right Woofer 
Speaker 
 4*15W 
(THD<1%) 
 4ohm 
LED and 
Key Buttons 
I/O expander 
TCA6424A 
Page 22 of 31
Harman Consumer Group
HARMAN INTERNATIONAL
Shenzhen, Guangdong, China
SIZE
TITLE
REV.
SHEET
OF
SCALE:
B
DRAWING NO.
CREATED
CHECKED
A
B
C
D
A
B
C
1
2
3
4
1
2
3
4
D
DATE
CAD FILE:
REVISION HISTORY
REV
ECO
CHECKED
DATE
PROPRIETARY INFORMATION - THESE DOCUMENTS AND THE INFORMATION
CONTAINED THEREIN ARE PROPRIETARY AND ARE NOT TO BE REPRODUCED
OR DISCLOSED TO OTHERS FOR MANUFACTURE OR ANY OTHER PURPOSE EXCEPT
THOSE SPECIFICALLY AUTHORIZED IN WRITING BY HARMAN INTERNATIONAL
NAME
Cannot open file M:\02 
Department\19 
HCG_Engineering\PCB\Temp
late\Sch template 
(Altium)\untitled.bmp
070-xxxx
HK Omni 20
E
8/1/2014
C300
OPEN
C301
OPEN
GND
GND
1%
L302
0
RF trace 50 ohm
BT_RF
R
F
1
G
N
D
2
G
N
D
3
J300
I-PEX MHF Z10101
GND
1
AIO[0]
2
AIO[14]
3
PIO[15]
4
PIO[16]
5
PIO[17]
6
PIO[10]
7
SCL
8
PIO[11]
9
PIO[12]
10
PIO[13]
11
SPI_PCM#
12
GND
13
PIO[3]
14
PIO[2]
15
PIO[5]
16
PIO[4]
17
GND
18
GND
19
RST#
20
GND
21
LED1
22
LED0
23
VREGENABLE
24
GND
25
VBUS
26
CHG_EXT
27
VBAT_SENSE
28
VBAT
29
GND
30
1V8_SMPS
31
VDD_PADS
32
3V3_OUT
33
GND
34
USB_DN
35
USB_DP
36
GND
37
PIO[9]
38
PIO[0]
39
PIO[1]
40
PIO[8]
41
PIO[7]
42
PIO[6]
43
LED[21]
44
PIO[18]
45
LED2
46
GND
47
MIC_BIAS
48
LINE_AN
49
LINE_AP
50
LINE_BN
51
LINE_BP
52
AGND
53
SPK_RN
54
SPK_RP
55
SPK_LN
56
SPK_LP
57
GND
58
RF_IN
59
GND
60
U300
BM830 Class 2 Multimedia  Module
BT_RF
R3031k
GND
GND
BT_3.3V
R305
NC
GND
1
2
3
4
5
J301
WF05PBTM3CAA42
BT_SPI_MISO
BT_SPI_MOSI
BT_SPI_CLK
BT_SPI_CSB
Reset_BT
BT Firmware Upgrade
BT_3.3V
R309
NC
10UF
C307
C308
100NF
C309
1NF
BT_3.3V
GND
BT_3.3V
BT_Play/Pause
BT_Link_Status
BT_Streaming_Status
TP301
TP300
TP302
BT_SPK_RN
BT_SPK_RP
BT_SPK_LN
BT_SPK_LP
R306
1.00K OHM
R308
1.00K OHM
R307
NC
25V
C304
100PF
R310
1.00K OHM
R313
1.00K OHM
R311
NC
25V
C305
100PF
R300
1.0K
BT_Pairing
R317
1.0K
R316
1.0K
R318
1.0K
TP303
TP304
TP305
BT_USB_D-
BT_USB_D+
BT_Next/Prev
R301
1.0K
BT_3.3V
R314
100k
Reset_BT
BT_Link_Status
R315
100k
GND
C303
1UF
R304
1.0K
BT_SW_Version
Rev A to B
No any changes
TP306
TP307
TP308
TP309
TP310
Rev B to C
No any changes
Rev C to D
No any changes
Rev D to E
No any changes
Page 23 of 31
Harman Consumer Group
HARMAN INTERNATIONAL
Shenzhen, Guangdong, China
SIZE
TITLE
REV.
SHEET
OF
SCALE:
B
DRAWING NO.
CREATED
CHECKED
A
B
C
D
A
B
C
1
2
3
4
1
2
3
4
D
DATE
CAD FILE:
REVISION HISTORY
REV
ECO
CHECKED
DATE
PROPRIETARY INFORMATION - THESE DOCUMENTS AND THE INFORMATION
CONTAINED THEREIN ARE PROPRIETARY AND ARE NOT TO BE REPRODUCED
OR DISCLOSED TO OTHERS FOR MANUFACTURE OR ANY OTHER PURPOSE EXCEPT
THOSE SPECIFICALLY AUTHORIZED IN WRITING BY HARMAN INTERNATIONAL
NAME
Cannot open file M:\02 
Department\19 
HCG_Engineering\PCB\Temp
late\Sch template 
(Altium)\untitled.bmp
AD+3.3V
GND
AD+3.3V
AD+3.3V
GND
GND
GND
GND
GND
CKM1
CKM0
CKM2
C407
NC
C411
NC
6.3V
C402
10UF
6.3V
C415
10UF
16V
C406
100NF
16V
C410
100NF
6.3V
C430
10UF
16V
C433
100NF
C432
NC
C439
NC
16V
C451
100NF
6.3V
C449
10UF
16V
C450
100NF
6.3V
C456
10UF
16V
C455
100NF
16V
C461
100NF
C459
NC
C444
NC
C435
NC
16V
C437
100NF
6.3V
C438
10UF
16V
C441
12NF
L408
82nH
82
nH
L40
9
82nH
L401
82nH
L402
82nH
L403
82nH
L400
10V
C442
1UF
AVDD
AVDD
AIN3L
1
AIN2R
2
AIN2L
3
AVDD
4
VSS1
5
LFLT
6
TEST1
7
CKM[2]
8
DVDD
9
VSS2
10
XTI
11
XTO
12
SD
O
U
T1
13
SD
IN
1/JX
1
14
SD
IN
2/JX
0
15
C
K
M
[1
]
16
C
K
M
[0
]
17
IR
ES
ETN
18
I2
C
SEL
19
D
V
D
D
20
V
SS
2
21
LRC
K
22
B
IC
K
23
C
K
0/SD
3
24
SO/RDY/GPO/SDOUT2
25
SDA
26
SCL
27
CAD0
28
CAD1
29
VSS1
30
AVDRV
31
AVDD
32
AOUT2RN
33
AOUT2RP
34
AOUT2LN
35
AOUT2LP
36
A
O
U
T1R
N
37
A
O
U
T1R
P
38
A
O
U
T1
LN
39
A
O
U
T1
LP
40
V
SS
1
41
V
C
O
M
42
A
V
D
D
43
A
IN
1R
N
44
A
IN
1R
P
45
A
IN
1LN
46
A
IN
1LP
47
A
IN
3R
48
U400
AK7742EQ
HK Omni 20
82nH
L404
82nH
L405
82nH
L406
82nH
L407
1%
R401
1.00K OHM
1%
R403
1.00K OHM
1%
R404
1.00K OHM
1%
R406
1.00K OHM
1%
R402
10.0K OHM
1%
R405
10.0K OHM
25V
C409
100PF
25V
C416
100PF
25V
C420
100PF
25V
C422
100PF
6.3V
C419
10UF
6.3V
C423
10UF
1%
R407
1.00K OHM
1%
R409
1.00K OHM
1%
R408
10.0K OHM
25V
C426
100PF
25V
C429
100PF
6.3V
C424
10UF
6.3V
C434
10UF
1%
R410
1.00K OHM
1%
R412
1.00K OHM
1%
R411
10.0K OHM
25V
C446
100PF
25V
C448
100PF
AVDD
25V
C428
100PF
25V
C447
100PF
25V
C421
100PF
25V
C413
100PF
AMP_Tweeter_R-
AMP_Woofer_R-
AMP_Woofer_R+
AMP_Tweeter_R+
AMP_Woofer_L+
AMP_Tweeter_L-
AMP_Tweeter_L+
AMP_Woofer_L-
5%
R421
33
25V
C462
1NF
GND
E
R4
18
N
C
GND
070-xxxx
8/1/2014
8142_MCLK
DSP_MCLKO
R416 10
C454
NC
TP401
GND
R415
10
DSP_SDOUT
C453
NC
GND
DSP_BCLKO
DSP_LRCKO
WIFI_SDOUT
R417 10
R419 10
C458
NC
C457
NC
GND
TP403
TP404
TP400
TP402
BT_SPK_RN
BT_SPK_RP
BT_SPK_LN
BT_SPK_LP
C400 10UF
C401 10UF
C403 10UF
C408 10UF
C425 10UF
C427 10UF
Aux_R
Aux_L
C414 10UF
C417 10UF
Reset_DSP
R420
10K
AD+3.3V
Reset_DSP
I2C_SDA_
I2C_SCL_
R413
4K7
AD+3.3V
R414
4K7
R427 0
AD+3.3V
CKM0_
CKM1_
CKM2_
R422
OPEN
R429
10K
R430
10K
5%
R428
10K
5%
R423
OPEN
5%
R424
OPEN
GND
1%
R426 0
1%
R425
0
CKM0
CKM1
CKM2
MIC_IN
R432
10k
R433
2.2K
C465
4.7UF
R434
1K
C471
2.2uF
R439
100K
Mic_In_
Mic_12V
C466
0.1uF
R440
2.2K
MIC_IN
R435
100K
R436
475
C467
47P
C464 47P
R441
100K
R442
100K
C472
1000PF
C470
1UF
C473
0.1uF
Mic_Enable
C468
0.1uF
C469
1UF
R443
120K
C483
100NF
L410
1K @ 100MHz
R431
NC
Mic_12V
MIC_IN
12V
Mic_In_
H = Power on
1
3
2
Q401
MMBT3904
C463
10NF
R438
1M
R444
NM
Mic_12V
1
2
3
A
8
4
VEE
VCC
U402A
BA4580RFVM
7
5
6
B
U402B
BA4580RFVM
C474
18PF
1
3
2
Q400
MTP3401N3
Deleted R450 make A/D GND together
Rev A to B
Changed R400 from 10R to 4.7R
Changed J400 package
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
5%
R400
4R7
1
2
J400
B 2B-ZR
TP405
TP406
Rev B to C
Changed R437 from 0R to 120K
Changed C405, C418 ,C445,C452 from 10U to 2.2U
Added C412, C436, C443, C404, C431, C440, C460,   5.6P
R437
120K
16V
C405
2.2U
16V
C418
2.2U
16V
C445
2.2U
16V
C452
2.2U
C404
5.6P
C412
5.6P
C431
5.6P
C440
5.6P
C436
5.6P
C443
5.6P
C460
5.6P
Rev C to D
No any changes
TP407
TP408
TP409
TP410
TP411
Rev D to E
Added Test point for Mic
Page 24 of 31
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