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

Harman Kardon OMNI 20 Service Manual ▷ View online

Harman Consumer Group
HARMAN INTERNATIONAL COMPANY
NORTHRIDGE, CA 91329  USA
SIZE
TITLE
REV.
SHEET
OF
SCALE:
B
DRAWING NO.
ENG
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
+V_AMP
1
2
L505
10uH
HK Omni 20
B
5
4
25V
C510
18PF
25V
C511
39PF
L504
MPZ2012S300A
L502
MPZ2012S300A
L508
MPZ2012S300A
L506
MPZ2012S300A
MODSEL
1
SDZ
2
FAULTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SYNC
16
AVCC
17
PVCC
18
PVCC
19
BSNL
20
OUTNL
21
GND
22
OUTPL
23
BSPL
24
GND
25
BSNR
26
OUTNR
27
GND
28
OUTPR
29
BSPR
30
PVCC
31
PVCC
32
TH
ERM
A
L_P
A
D
33
U500
TPA3116D2DADR
1
2
L507
10uH
1
2
L501
10uH
1
2
L503
10uH
25V
C507
0.22UF
25V
C515
0.22UF
25V
C521
0.22UF
25V
C532
0.22UF
50V
C508
330PF
50V
C516
330PF
50V
C522
330PF
50V
C533
330PF
R503
10
R508
10
R512
10
R516
10
50V
C509
0.68UF
50V
C514
0.68UF
50V
C523
0.68UF
50V
C529
0.68UF
50V
C504
10NF
50V
C517 10NF
50V
C519 10NF
50V
C534
10NF
5%
R504
3.3
5%
R505
3.3
5%
R513
3.3
5%
R517
3.3
Sync
25V
C518
1UF
25V
C501
0.1UF
25V
C500
1000PF
25V
C537
0.1UF
25V
C536
1000PF
GVDD1
5%
R502
100K
AMP_Tweeter_R-
50V
C505
NA
50V
C512
NA
50V
C506
10NF
50V
C513
10NF
50V
C524
NA
50V
C525
10NF
50V
C530
NA
50V
C531
10NF
1%
R500
10 OHM
25V
C503
330PF
1%
R520
10 OHM
25V
C538
330PF
5%
R519
33ohm
SDZ
1
2
3
4
5
6
7
8
J500
B 8B-PH-K-S
Speaker_Tweeter_R+
L514
MPZ2012S300A
L512
MPZ2012S300A
L518
MPZ2012S300A
L516
MPZ2012S300A
1
2
L515
10uH
MODSEL
1
SDZ
2
FAULTZ
3
RINP
4
RINN
5
PLIMIT
6
GVDD
7
GAIN/SLV
8
GND
9
LINP
10
LINN
11
MUTE
12
AM2
13
AM1
14
AM0
15
SYNC
16
AVCC
17
PVCC
18
PVCC
19
BSNL
20
OUTNL
21
GND
22
OUTPL
23
BSPL
24
GND
25
BSNR
26
OUTNR
27
GND
28
OUTPR
29
BSPR
30
PVCC
31
PVCC
32
TH
ERM
A
L_P
A
D
33
U501
TPA3116D2DADR
1
2
L517
10uH
1
2
L511
10uH
1
2
L513
10uH
25V
C547
0.22UF
25V
C556
0.22UF
25V
C561
0.22UF
25V
C571
0.22UF
50V
C548
330PF
50V
C557
330PF
50V
C562
330PF
50V
C572
330PF
R525
10
R530
10
R533
10
R535
10
50V
C543
0.68UF
50V
C552
0.68UF
50V
C563
0.68UF
50V
C568
0.68UF
50V
C546
10NF
50V
C558
10NF
50V
C560
10NF
50V
C573
10NF
5%
R526
3.3
5%
R527
3.3
5%
R534
3.3
5%
R536
3.3
R537
NC
25V
C559
1UF
25V
C541
0.1UF
25V
C540
1000PF
25V
C576
0.1UF
25V
C575
1000PF
AMP_Tweeter_L-
50V
C544
NA
50V
C545
10NF
50V
C553
NA
50V
C554
10NF
50V
C564
NA
50V
C565
10NF
50V
C569
NA
50V
C570
10NF
1%
R522
10 OHM
25V
C542
330PF
1%
R538
10 OHM
25V
C578
330PF
50V
C577 NC
5%
R523
100K OHM
GVDD2
R5240
GVDD1
GVDD2
L500
MPZ2012S300A
L510
MPZ2012S300A
TP500
TP501
TP502
TP503
TP504
TP505
TP506
TP507
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+V_AMP
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Speaker_Tweeter_R-
Speaker_Woofer_R+
Speaker_Woofer_R-
Sp
ea
ke
r_W
oo
fe
r_
L+
Sp
ea
ke
r_W
oo
fe
r_
L-
Sp
ea
ke
r_
Twe
eter
_L+
Sp
ea
ke
r_
Twe
eter
_L-
MUTE
Sync
SDZ
AMP_Tweeter_L+
AMP_Tweeter_R+
E
1%
R501
0
1%
R521
0
1%
R507
0
R506
NC
GND
1%
R529
0
R528
NC
GND
L519
MPZ2012S300A
+V_AMP
L509
MPZ2012S300A
+V_AMP
070-xxxx
8/1/2014
25V
+
C502
470uF
25V
+
C535
470uF
25V
+
C539
470uF
25V
+
C574
470uF
Feedback
Limiter_R_out
Limiter_L_out
D501
1N4148_DL4148
D500
1N4148_DL4148
5%
R539
33ohm
AMP_SDZ
GND
+V_AMP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CON552
FFC 0.5B-15PBX(W)
AMP_Tweeter_R-
AMP_Tweeter_R+
AMP_SDZ
Mute_AMP
Limiter_R_out
GND
L550
1K @ 100MHz
C586
open
C587
open
C581
open
C580
open
C582
open
AMP_Tweeter_L-
AMP_Tweeter_L+
Limiter_L_out
C584 open
C585
open
25V
C520
18PF
25V
C527
39PF
25V
C555
39PF
25V
C567
39PF
25V
C551
18PF
25V
C566
18PF
Feedback
C588
open
L551
MPZ2012S300A
Rev A to B
Add L520
Add R540
Change R509 to 100K
Change R511 from 5.6K to 20K
Change J551 from 4Pin to 5Pin
L520
1K @ 100MHz
GND
GND
GND
5%
R540
82K
Change R531 from 51K to 47K
Change R532 from 51K to 75K
R531
47K OHM R532
75K OHM
R511
20K
R509
100k
TP508
TP509
TP510
TP511
TP512
TP513
TP514
TP515
TP516
TP517
TP518
TP519
TP520
TP521
TP522
5%
R514
100
Mute_AMP
GND
+V_AMP
2
3
1
Q500
MMBT3906
GND
MUTE
D502
1PS79SB30
R541
33K
R542
10K
1%
R543
100K
25V
C591
10NF
+
25V
C592
47UF
GVDD1
R510
10K
5%
R518
8.2K
GND
D503
1N4148_DL4148
25V
C590
1UF
GND
MUTE
Rev B to C
NC R515  0R
Added C589 100N
Changed C526, C528 ,C549,C550 from 10U to 2.2U
Changed R510 from 100K to 10K, R518 from 82K to 8.2K 0402
Added D502, D503, R541,R542 R543,C590, C591, C592
16V
C589
100NF
Changed Q500 from NC to MMBT3906
R_GND
R515
Open
L_GND
R_GND
16V
C526
2.2U
16V
C528
2.2U
16V C549 2.2U
16V C550 2.2U
1
2
3
4
J551
B 4B-PH-K-S
Change J551 from 5Pin to 4Pin
C583
open
L_GND
GND
Rev C to D
No change
Rev D to E
No change
Mute Control
Page 29 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
HK FC1&2 LED Key Board
D
1
1
use same side cable
Button_Play/Pause
Button_BT
Button_Streaming
C107
100p
GND
C106
100p
C108
100p
LED1_White
LED1_Blue
LED2_White
LED2_Blue
LED2_Amber
S_3.3V
C109
100p
C104
100p
C105
100p
C112
100p
C110
100p
R101
0
R105
0
R106
0
R107
0
R111
0
R112
0
R113
0
R114
0
R115
0
C111
100p
C100
0.1uF
R100
0
GND
GND
GND
S_3.3V
R130
4.7K
R131
4.7K
R132
4.7K
Button_Play/Pause
Button_BT
Button_Streaming
D114
LED_Blue
SW101
SW100
SW102
d=??mm
Button_Vol+
Button_Vol-
R116
0
R117
0
C113
100p
C114
100p
GND
GND
R133
4.7K
GND
R134
4.7K
Button_Vol-
Button_Vol+
SW103
SW104
C116
open
C119
open
C120
open
C117
open
C118
open
LED1_Green
1
4
2
3
W
hite
O
ran
ge
D113
LTW-295DCKF-C,
1
2
SW104
Button_GGEC,
1
2
SW103
Button_GGEC,
1
2
SW102
Button_GGEC,
1
2
SW101
Button_GGEC,
1
2
SW100
Button_GGEC,
LED2_White
LED2_Blue
LED2_Amber
GND
GND
D100
LED_White
1%
R118
200 OHM
R102
10K
D101
LED_White
D102
LED_White
D103
LED_White
D104
LED_Blue
GND
R103
10K
D105
LED_Blue
D106
LED_Blue
D107
LED_Blue
GND
GND
R104
10K
D
10
9
LED_
G
ree
n
LED1_White
LED1_Blue
LED1_Green
2
3
1
Q100
MMBT3906
2
3
1
Q101
MMBT3906
2
3
1
Q102
MMBT3906
C101
0.1uF
C102
0.1uF
C103
0.1uF
S_3.3V
S_3.3V
S_3.3V
1%
R119
200 OHM
1%
R120
200 OHM
1%
R121
200 OHM
1%
R122
200 OHM
1%
R123
200 OHM
1%
R124
200 OHM
1%
R129
200 OHM
1%
R125
200 OHM
1%
R126
200 OHM
1%
R127
200 OHM
1%
R128
200 OHM
D
10
8
LED_
G
ree
n
D
11
0
LED_
G
ree
n
D
11
1
LED_
G
ree
n
GND
GND
1%
R141
47R OHM
R135
10K
GND
R136
10K
GND
R137
10K
2
3
1
Q103
MMBT3906
2
3
1
Q104
MMBT3906
2
3
1
Q105
MMBT3906
C115
0.1uF
C121
open
C122
open
S_3.3V
S_3.3V
S_3.3V
1
4
2
3
W
hite
O
ran
ge
D112
LTW-295DCKF-C,
1%
R142
47R
D115
LED_Blue
GND
1%
R145
200 OHM
1%
R146
200 OHM
GND
1%
R143
200 OHM
1%
R144
200 OHM
LED2_Amber_drive
LED2_Amber_drive
Rev A to B
Change the package of CON100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
CON100
0.5K-A-15nPB
R108
2K
R109
2K
R110
2K
R138
2K
R139
2K
R140
2K
Rev B to C
Changed R108, R109, R110, R138, R139, R140 from 10K to 2K
Rev C to D
Changed R141 and R142 from 200R to 47R
Page 30 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\Service\PC
B\Design_Template\Sch 
template 
(Altium)\untitled.bmp
700-XXXX-XXX
HK Omni 20
E
070-xxxx
8/1/2014
25V
C207
100NF
C205
100NF
SX200
SURGX 0603 ESDA
25V
C209
100NF
R208
1M OHM
16V
C211
10NF
5%
R205
120K OHM
+19V_AMP
5%
R201
10 OHM
25V
C200
100PF
25V
C201
NA
5%
R200
NA
GND
GND
GND
GND
GND
GND
GND
25V
C206
1UF
+19V
5%
1206
R202
open
3A
3A
25V
+
C208
1000uF
AMP_Power_On
TP201
TP202
TP200
BOOT
1
VIN
2
EN
3
SS
4
VSENSE
5
COMP
6
GND
7
PH
8
Po
w
erPA
D
9
U201
TPS54331DDA
25V
C223
4.7UF
25V
C224
100NF
1%
R211
332K OHM
5%
R216
NC
D200
1N5819HW
1%
R212
10.0K OHM
1%
R210
301 OHM
25V
C220
68PF
50V
C219
4700PF
2A
25V
C222
4.7UF
50V
C213
0.1UF
1
2
L205
6.8UH
1.5A
1%
R214
49.9K
25V
C212
1 NF
1%
R215
3.24K OHM
GND
GND
GND
GND
GND
GND
GND
25V
C216
100NF
25V
C221
10UF
25V
C217
10UF
1%
R213
68.1K OHM
+
16V
C214
47uF
+
16V
C215
47uF
5%
0805
R209
8.2 OHM
+19V
TP203
25V
C203
4.7UF
16V
C202
100NF
1
3
2
Q202
MMBT3904
C204
100NF
R203
120K
C210
10NF
R206
1M
L201
MPZ2012S331A
H = Power on
R207
open
12V_Power_On
+19V
GND
GND
12V
4
2
1
7
5
6
3
8
Q201
ME4435
1
3
2
Q203
MMBT3904
From PSU
SW_3.3V
GND
SPIL_RESET_
MICRO_JTAG_TMS_
MICRO_JTAG_TCK_
MICRO_JTAG_TDI_
MICRO_JTAG_TDO_
MICRO_JTAG_TRST_
UART_TX_
UART_RX_
WIFI Module Debug
TP208
TP206
TP210
TP205
TP207
TP209
TP211
TP204
1
3
2
Q204
2SC2712
R218
82k
R219
4.7M
C227
100NF
GND
R217
240K
Aux_Plug_In
SW_3.3V
SW_3.3V
12V
GND
L203 100 @ 100MHz
SW_3.3V
L202 1K @ 100MHz
+19V_AMP
To AMP
To MB
GND
Button_WPS
GND
R220
4.7K
R221
4.7K
GND
Button_RESET
1
2
0
SW200
SKHHLUA010
1
2
0
SW201
SKHHLUA010
C228
0.1uF
C229
0.1uF
SW_3.3V
1
2
3
4
CON203
CON 4 POL PITCH 3.96MM
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CON202
SHF-105-01-L-D-RA
L200
MPZ2012S300A
L204
MPZ2012S300A
1
3
2
Q200
MTP3401N3
Vin
1
G
N
D
2
Vout
3
U200
BA178M12
AUX AUDIO IN
R222
open
Rev A to B
Add C230, R223,L208
Changed CON200, CON201 package
Changed J202 from 4pin to 5pin
25V
C230
1UF
GND
5%
R223
22K
AGND
C225
22PF
L206
L207
C218
22PF
AGND
Aux_In_R_
Aux_In_L_
1
2
3
4
5
PJ-3048A2-5PARKS
10
9
11
CON200
TP212
TP213
TP214
AGND
Aux_In_L_
Aux_In_R_
Aux_Plug_In
Button_WPS
Button_RESET
GND
MICRO_JTAG_TMS_
MICRO_JTAG_TCK_
MICRO_JTAG_TDI_
MICRO_JTAG_TDO_
MICRO_JTAG_TRST_
SPIL_RESET_
UART_TX_
UART_RX_
12V_Power_On
AMP_Power_On
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0
CON201
0.5K-A-24PB
GND
TP216
TP217
TP218
TP219
TP220
TP221
TP222
TP223
TP225
TP226
TP227
TP228
TP229
Rev B to C
Changed R204 from 0R to 120K
Added C231 100N
Changed C218, C225 from 22P to 1000P
R204
120K
R224
120K
Add R224 120K
C231
100NF
GND
1%
R225
0 OHM
Changed C226 from 100nF to 10nF
25V
C226
10NF
Add R225 Oohm
1%
R226
0
Change L208 to R226 0R
1
2
3
4
J202
B 4B-PH-K-S
1
2
3
4
5
J201
B 5B-PH-K-S
Change J201 from 4Pin to 5Pin, J202 from 5Pin to 4Pin
Rev C to D
No any changes
Rev D to E
No any changes
Page 31 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\Service\PC
B\Design_Template\Sch 
template 
(Altium)\untitled.bmp
700-XXXX-XXX
HK Omni 20
E
070-xxxx
8/1/2014
25V
C207
100NF
C205
100NF
SX200
SURGX 0603 ESDA
25V
C209
100NF
R208
1M OHM
16V
C211
10NF
5%
R205
120K OHM
+19V_AMP
5%
R201
10 OHM
25V
C200
100PF
25V
C201
NA
5%
R200
NA
GND
GND
GND
GND
GND
GND
GND
25V
C206
1UF
+19V
5%
1206
R202
open
3A
3A
25V
+
C208
1000uF
AMP_Power_On
TP201
TP202
TP200
BOOT
1
VIN
2
EN
3
SS
4
VSENSE
5
COMP
6
GND
7
PH
8
Po
w
erPA
D
9
U201
TPS54331DDA
25V
C223
4.7UF
25V
C224
100NF
1%
R211
332K OHM
5%
R216
NC
D200
1N5819HW
1%
R212
10.0K OHM
1%
R210
301 OHM
25V
C220
68PF
50V
C219
4700PF
2A
25V
C222
4.7UF
50V
C213
0.1UF
1
2
L205
6.8UH
1.5A
1%
R214
49.9K
25V
C212
1 NF
1%
R215
3.24K OHM
GND
GND
GND
GND
GND
GND
GND
25V
C216
100NF
25V
C221
10UF
25V
C217
10UF
1%
R213
68.1K OHM
+
16V
C214
47uF
+
16V
C215
47uF
5%
0805
R209
8.2 OHM
+19V
TP203
25V
C203
4.7UF
16V
C202
100NF
1
3
2
Q202
MMBT3904
C204
100NF
R203
120K
C210
10NF
R206
1M
L201
MPZ2012S331A
H = Power on
R207
open
12V_Power_On
+19V
GND
GND
12V
4
2
1
7
5
6
3
8
Q201
ME4435
1
3
2
Q203
MMBT3904
From PSU
SW_3.3V
GND
SPIL_RESET_
MICRO_JTAG_TMS_
MICRO_JTAG_TCK_
MICRO_JTAG_TDI_
MICRO_JTAG_TDO_
MICRO_JTAG_TRST_
UART_TX_
UART_RX_
WIFI Module Debug
TP208
TP206
TP210
TP205
TP207
TP209
TP211
TP204
1
3
2
Q204
2SC2712
R218
82k
R219
4.7M
C227
100NF
GND
R217
240K
Aux_Plug_In
SW_3.3V
SW_3.3V
12V
GND
L203 100 @ 100MHz
SW_3.3V
L202 1K @ 100MHz
+19V_AMP
To AMP
To MB
GND
Button_WPS
GND
R220
4.7K
R221
4.7K
GND
Button_RESET
1
2
0
SW200
SKHHLUA010
1
2
0
SW201
SKHHLUA010
C228
0.1uF
C229
0.1uF
SW_3.3V
1
2
3
4
CON203
CON 4 POL PITCH 3.96MM
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
CON202
SHF-105-01-L-D-RA
L200
MPZ2012S300A
L204
MPZ2012S300A
1
3
2
Q200
MTP3401N3
Vin
1
G
N
D
2
Vout
3
U200
BA178M12
AUX AUDIO IN
R222
open
Rev A to B
Add C230, R223,L208
Changed CON200, CON201 package
Changed J202 from 4pin to 5pin
25V
C230
1UF
GND
5%
R223
22K
AGND
C225
22PF
L206
L207
C218
22PF
AGND
Aux_In_R_
Aux_In_L_
1
2
3
4
5
PJ-3048A2-5PARKS
10
9
11
CON200
TP212
TP213
TP214
AGND
Aux_In_L_
Aux_In_R_
Aux_Plug_In
Button_WPS
Button_RESET
GND
MICRO_JTAG_TMS_
MICRO_JTAG_TCK_
MICRO_JTAG_TDI_
MICRO_JTAG_TDO_
MICRO_JTAG_TRST_
SPIL_RESET_
UART_TX_
UART_RX_
12V_Power_On
AMP_Power_On
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
0
CON201
0.5K-A-24PB
GND
TP216
TP217
TP218
TP219
TP220
TP221
TP222
TP223
TP225
TP226
TP227
TP228
TP229
Rev B to C
Changed R204 from 0R to 120K
Added C231 100N
Changed C218, C225 from 22P to 1000P
R204
120K
R224
120K
Add R224 120K
C231
100NF
GND
1%
R225
0 OHM
Changed C226 from 100nF to 10nF
25V
C226
10NF
Add R225 Oohm
1%
R226
0
Change L208 to R226 0R
1
2
3
4
J202
B 4B-PH-K-S
1
2
3
4
5
J201
B 5B-PH-K-S
Change J201 from 4Pin to 5Pin, J202 from 5Pin to 4Pin
Rev C to D
No any changes
Rev D to E
No any changes
Page 31 of 31
Page of 31
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Harman Kardon OMNI 20 Service Manual ▷ Download