Harman Kardon BDS 270 Service Manual ▷ View online
5
5
4
4
3
3
2
1
D
D
C
C
B
B
A
A
32V
BD BOARD
AUDIO
PROCESSOR
PROCESSOR
POWER BOARD
AMP BOARD
10P/2.0mm
6P/2.5MM
AC IN
L/R PWM
IR
TI5508
BD LOADER SANYO414
64Mx16x4pcs
DDR3x4
NAND FLASH
2Gbit
PDD
PDD
DGND
DGND
PDD
DGND
5V
GND
GND
GND
5V
POWER_ON
GND
12V
POWER_ON
20P/1.0mm
24P/0.5mm
24P/0.5mm
PVCC/10P
45P/0.5mm
45P/0.5mm
ADV7181C
-12V
VT 5V
VIDEOIN[19:0]
SL/SR PWM
CS495314
PIC24FJ256GA108
20P/1.0mm
Pb
Y
1405B+TP1391
RJ45
Pr
7PIN 2.5mm
10.SDATA0
11.SDATA1
12.SDATA2
13.SDATA3
14.GND
15.IR1
16.GND
17.SPI1
18.MISO
19.SCLK
20.CS
21.MOSI
22.ARC
23.PW_KEY
24.OPEN_KEY
11.SDATA1
12.SDATA2
13.SDATA3
14.GND
15.IR1
16.GND
17.SPI1
18.MISO
19.SCLK
20.CS
21.MOSI
22.ARC
23.PW_KEY
24.OPEN_KEY
1.GND
2.SPDATA
3.AOLRCK
4.BD_MUTE
5.GND
6.AOLRCK
7.AOBCK
8.AOMCK
9.GND
2.SPDATA
3.AOLRCK
4.BD_MUTE
5.GND
6.AOLRCK
7.AOBCK
8.AOMCK
9.GND
+5V
+5V
7PIN
GND
+12V
GND
DC-DC
AT1529
AT1529
DC-DC
AT1529
AT1529
+5V
1.15V/2.4A
SWITCH
G556B1
G556B1
1.5V/0.6A
USB_VCC2
USB_VCC1
3V3/0.6A
1.5V
1.5V
1.15V
3V3/0.3A
3V3/0.3A
3.3V
+12V
+12V
DRAM
SPI
VIDEO
INPUT
INPUT
HDMI
OUTPUT
OUTPUT
FE
+5V
ETHERNET PHY
FLASH
USB2
+5V
+5V
USB2
D2-
D2+
ADV7622
SW2
HPD-A
DDC-A
TMDS-A
PWR5V-A
HPD-B
PWR5V-B
TMDS-B
DDC-B
HPD-C
DDC-C
TMDS-C
PWR5V-C
HDMI OUTPUT
PD
I2C
I2C
ARC
CEC
HPD/ARC-
TMDS-OUTPUT
DDC
SPDIF_OUT(ARC)
Audio
output
output
CONTROL
I/O
I/O
I2S_OUTPUT
Port C
Port B
Port A
HDMI output
TWO LED_CONTROL
ROUT
LOUT
TO MT8555
VS
HS
CLK
13-EM6381-6G2B
13-TPA611-2A2
13-CS4953-14B
13-P24FJ2-56B
13-AK5367-00B
13-CS8422-00B
13-DRV602-00B
13-DRV602-00B
13-TAS550-80B
13-TAS535-20B
13-TAS535-20B
13-TAS535-20B
13-M24C16-MNB
TO MCU
SUB
TRIGGER
TRIGGER
IR_IN
GND
I2S_INPUT
VCC_D
ARC+
VDCLK
VIN[19:0]
DE
VHS
VVS
PD
RESET
I2C
TUNER
INT
BRIGHE III
LIN2
RIN1
LIN1
RIN2
OPTI
CAL1
CAL1
OPTI
CAL2
CAL2
TL072C
IPOD_LROUT
TL072C
AKM5367
AUDIO ADC
AUDIO ADC
IPOD_IN
LR2_IN
LR1_IN
MIC_IN
74LVC541APW
74LVC541APW
TUNER_DATA
AD_MCLK
AD_DATA
BCK
LRCK
DATA3
DATA2
DATA1
DATA0
MCLK
SCLK
LRCLK
MUXED_DA13
MUXED_DA12
MUXED_DA11
MUXED_DA10
MUXED_LRCLK
MUXED_SCLK
MUXED_SCLK
I2S_MCLK
AKM_DATA
TUNER_DATA
D
A
I
1
A
I
1
MUXED_LRCLK
MUXED_SCLK
MUXED_DA
DAI2
ARC
RX4
RX3
RX2
RX1
CS8422
DIR_DA
SPD_SCLK
SPD_LRCLK
DAO2
DAO1
AD_MCLK
AD_BCK
AD_LRCK
XTAL_DIR
SPDIF_DATA
AD_MCLK
8M SPI
FLASH
FLASH
64M
SDRAM
SDRAM
TAS5352
2*65W
2*65W
TAS5352
1*65W
1*65W
TAS5352
2*65W
2*65W
SUB
COAX
SPDIF
HPD-D
DDC-D
TMDS-D
PWR5V-D
RESET
INT2_RX
INT_RX
INT_RX
INT_TX
Port D
HDMI
OUTPUT
OUTPUT
CEC
Resistor
CEC
CEC_D
CEC_C
CEC_B
CEC_A
13-ADV718-1CB
13-ADV762-20B
13-74LVC5-41A
13-74LVC5-41A
13-TL072B-00B
13-TL072B-00B
07-KSTS78-00S
47-BRI001-XX0
LDO-3.3V
13-S1206S-00B
DC-DC-3.3V
13-AT1529-F11U
LDO-1.8V
DC-DC-8V
13-CW1117-18B
13-EUP348-2DB
14P/1.0mm
14P/1.0mm
DC-DC
AT1529
AT1529
DC-DC
AT1529
AT1529
1.8V
13-AT1529-F11U
13-AT1529-F11U
13-AT1529-F11U
13-AT1529-F11U
13-29F2G0-8ABA
13-H5TQ1G-63DFR
13-MT8555-ANBG
13-TP1391-G4B
13-TPIC14-05B
13-TPIC14-05B
FL-
FL+
FR-
FR+
SL+
SL-
SR-
SR+
CE-
CE+
10P/2.0MM
10P/2.0MM
OUTPUT BOARD
CE-
CE+
SR-
SR+
FR-
FR+
SL-
SL+
FL-
FL+
DRV602
TPA6112
PWM_P8
PWM_M8
HPM_L
HPP_L
DRV602
SUBWOOFER OUTPUT
HPM_R
HPP_R
PWM_P2
PWM_M2
PWM_M7
PWM_P7
6P/2.0MM
LINE_ROUT
LINE_LOUT
HP_ROUT
HP_LOUT
MIC_IN
3 Wire SPI
TO TI5508
I2S_MCLK
3 Wire SPI
5 Wire SPI
5 Wire SPI
I2C
3 Wire SPI
16K
EEPROM
EEPROM
IR
OPEN_KEY
PW_KEY
STB_LED
BD_MUTE
OPEN_KEY
PW_KEY
STB_LED
BD_MUTE
I2C1
I2C1
FAN
UART AND DET
EN
MUTE
/BKND_ERR
/HP_SELO
RESET
PDN
MUTE
FAN DET AND CONTROL
MUTE
VOLUME
USB
OPEN
KEY
KEY
POWER
KEY
KEY
MIC/HP
KEY
IR
LED
IR
LED
MIC/HP
GND
12V
5V
USB WIRE
5V_STB
12V
6PIN
5PIN
5PIN
6PIN
HDMI 1.4
INPUT-A
INPUT-A
HDMI 1.4
INPUT-C
INPUT-C
HDMI 1.4
INPUT-B
INPUT-B
REIC_LOAD+
REIC_LOAD-
MGND
REIC_W
REIC_B-
REIC_U
REIC_V
REIC_COMMON
REIC_B+
REIC_A+
REIC_A-
8P/1.0mm
5P/1.0mm
5P/1.0mm
I2S
Front Board
8P/1.0mm
CEN PWM
MT8555ANBG
SPI
DRIVER
MOTOR
LOADER
VFD DISPLAY
PVCC/6P
SW1
5V
12V
-12V
WIRING DIAGRAM
6-1
6-1
harman/kardon
BDS 270 + 570 Service Manual
Page 65 of 90
5
5
4
4
3
3
2
1
D
D
C
C
B
B
A
TO POWER BOARD
VOL_-
V5V
VOL_+
VC3.3V
LED_1
VOL_-
VOL_+
VC3.3V
EGND
R679
330
R679
330
C627
100pF
C627
100pF
TP66
TP66
LED
607
LED
25B
LED
607
LED
25B
R682
330
330
R682
330
330
R683
330
330
R683
330
330
LED
606
LED
25B
LED
606
LED
25B
XP807
6PIN/2.0mm
XP807
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
LED
604
LED
25B
LED
604
LED
25B
LED
605
LED
25B
LED
605
LED
25B
R680
330
330
R680
330
330
ZD603
3.3HSA
ZD603
3.3HSA
TP61
TP61
VR601
VR_5P
VR601
VR_5P
VOL+
1
GND
3
VOL-
2
GND
4
GND
5
ZD604
3.3HSA
ZD604
3.3HSA
TP62
TP62
C628
0.1uF
C628
0.1uF
TP63
TP63
C626
100pF
C626
100pF
TP64
TP64
R657
10K
R657
10K
TP65
TP65
R681
330
330
R681
330
330
R661
330
R661
330
R684
10K
10K
R684
10K
10K
Front Control Board Circuit Diagram: VFD SCH
7-1
7-1
harman/kardon
BDS 270 + 570 Service Manual
Page 66 of 90
A
A
B
B
C
C
D
D
E
1
1
2
2
3
3
4
4
TO POWER BOARD
TO MAIN BOARD
TO MAIN PCB
TO VFD BOARD
㡆
㡆
H 㘇ᴎ
L MIC
L MIC
䴴䖥
IC
䴴䖥
IC
RST
IR
VCC3.3V
F+
38V
VSTB
12V
POWER_control
VCLK
RST
VDIN
F-
PW_KEY
38V
12V
USB_DP
5V
OPEN_KEY
USB_DN
VCC3.3V
VCC3.3V
VDIN_1
VSTB_1
POWER_control
VCLK_1
RST
V12V
V12V
VFD_RST
VT5V
5V
5V
LED_O
5V
USB_DN
USB_DP
USB_DP
VCC3
.3
V
VCC3.3V
LED1
VCLK
VCLK_1
VSTB
VCC3
.3
V
VSTB_1
VDIN
VDIN_1
HP_ROUT
HP_LOUT
MIC_OUT
5V
+12V_MIC
REFM
+12V_MIC
+12V_MIC
REFM
12V
REFM
5V
MIC_CT
5V
MIC_IN
VT5V
F+
F-
USB5V
HP_DET
HP_R
5V
5V
MIC_CT
VCC3.3V
VOL-
VOL+
HP_LOUT
MIC_OUT
MIC_OUT
HP_ROUT
KEY_LED0
PW_KEY
IR
OPEN_KEY
HP_MUTE
HP_DET
VOL-
VOL+
VDIN_1
VSTB_1
HP_MUTE
HP_DET
5V
5V
USB5V
A
A
12V
XP808
20PIN/0.8mm
XP808
20PIN/0.8mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
GND
21
GND
22
D612
1N4148
1N4148
D612
1N4148
1N4148
C651
0.1uF
0.1uF
C651
0.1uF
0.1uF
TP33
TP33
R604
20
R604
20
Q611
PNP_3CG3906M
PNP_3CG3906M
Q611
PNP_3CG3906M
PNP_3CG3906M
R617
22K
22K
R617
22K
22K
R613 0
R613 0
Q609
NC/MMBT8050C/NC
Q609
NC/MMBT8050C/NC
R635
1K
R635
1K
C603
0.01uF
C603
0.01uF
C602
0.01uF/50V/Y5V
C602
0.01uF/50V/Y5V
Q626
S8050C
Q626
S8050C
R628
1K
1K
R628
1K
1K
TP44
TP44
C658
100pF
C658
100pF
TP26
TP26
R602 4.7K/NC
R602 4.7K/NC
+
47uF/16V
CE608
+
47uF/16V
CE608
R670
4.7K
R670
4.7K
R690
68K
68K
R690
68K
68K
C601
0.01uF/50V/Y5V
C601
0.01uF/50V/Y5V
R623
10K
10K
R623
10K
10K
C659
0.1uF
C659
0.1uF
D611
1N4148
1N4148
D611
1N4148
1N4148
C623
0.1uF
C623
0.1uF
Q620
MMBT8050C
Q620
MMBT8050C
TP36
TP36
R693
4.7K
4.7K
R693
4.7K
4.7K
R654
10K
10K
R654
10K
10K
R608
100K
100K
R608
100K
100K
R653
470
470
R653
470
470
R619
22K
22K
R619
22K
22K
R689
10K
R689
10K
Q614
NPN_3DG3904M
NPN_3DG3904M
Q614
NPN_3DG3904M
NPN_3DG3904M
TP43
TP43
R655
0
R655
0
TP67
TP67
TP68
TP68
C656
1000pF
C656
1000pF
R666
10
R666
10
R662
10K
10K
R662
10K
10K
C625
220pF
C625
220pF
R663
1.5K
1.5K
R663
1.5K
1.5K
R687
3.3K
3.3K
R687
3.3K
3.3K
LED611
LED03A
LED03A
LED611
LED03A
LED03A
1
2
3
R648
12K
R648
12K
TP32
TP32
TP23
TP23
+
47uF/16V
CE603
+
47uF/16V
CE603
LED610
LED03A
LED03A
LED610
LED03A
LED03A
1
2
3
+
10uF/16V
CE613
+
10uF/16V
CE613
R636
330
R636
330
TP55
TP55
TP56
TP56
TP54
TP54
R626
10K
10K
R626
10K
10K
TP57
TP57
R620
4.7K
R620
4.7K
R647
10K
R647
10K
R615
27K
27K
R615
27K
27K
TP58
TP58
ZD602
BZX79C33
ZD602
BZX79C33
TP53
TP53
C609
0.047uF
C609
0.047uF
R641
22K
22K
R641
22K
22K
R621
22K
22K
R621
22K
22K
R669
10K
R669
10K
TP59
TP59
Q601
2SK3018
Q601
2SK3018
G
D
S
C663
1000pF
C663
1000pF
TP52
TP52
R645
0
R645
0
FB15
FB500/0.5A
FB15
FB500/0.5A
TP60
TP60
C629
220pF
220pF
C629
220pF
220pF
+
470uF/16V
CE601
+
470uF/16V
CE601
R698
2.2K
2.2K
R698
2.2K
2.2K
Q619
MMBT8050C
Q619
MMBT8050C
+
10uF/16V
CE614
+
10uF/16V
CE614
TP51
TP51
R665
56
R665
56
C607
47pF
C607
47pF
Q623
S8050C
Q623
S8050C
Q615
MMBT8050C
Q615
MMBT8050C
C759
1800pF
C759
1800pF
R642
0
R642
0
R675
3.3K
R675
3.3K
R643
4.7K
R643
4.7K
R631
10
R631
10
TP25
TP25
TP41
TP41
R624
22K
22K
R624
22K
22K
R609
100K
100K
R609
100K
100K
D609
1N4148
D609
1N4148
R600
47K
47K
R600
47K
47K
C611
0.1uF
C611
0.1uF
XS603
5PIN/2.0mm
XS603
5PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
C666
1000pF
C666
1000pF
TP50
TP50
TP31
TP31
R691
2.2K
2.2K
R691
2.2K
2.2K
C606
1000pF
C606
1000pF
P601
JACK_6P_3.5mm
P601
JACK_6P_3.5mm
1
1
2
2
3
3
5
5
7
7
6
6
4
4
R688
2.2K
2.2K
R688
2.2K
2.2K
+
10uF/16V
CE605
+
10uF/16V
CE605
Q602
2SK3018
Q602
2SK3018
G
D
S
R676
3.3K
R676
3.3K
XS807
6PIN/2.0mm
XS807
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
R695
NC
R695
NC
C662
0.1uF
0.1uF
C662
0.1uF
0.1uF
R652
0
R652
0
R632 10
R632 10
TP28
TP28
TP49
TP49
D1
1N4148
D1
1N4148
R667
10
R667
10
TP40
TP40
ESD1
PRTR5V0U2X
ESD1
PRTR5V0U2X
1
2
3
4
U3
FUTABA
U3
FUTABA
CS
34
RESET
37
OSC
40
F-
1
TSB
26
TSA
29
DA
31
CP
32
VDD
43
VH
45
F+
51
GND
46
GND
48
R625
22K
22K
R625
22K
22K
P602
USB-A
P602
USB-A
VCC
1
D-
2
D+
3
GND
4
Shell B
6
Shell A
5
Q617
S8050C
S8050C
Q617
S8050C
S8050C
+
47uF/16V
CE607
+
47uF/16V
CE607
+
-
U603B
NJM2068V
+
-
U603B
NJM2068V
5
6
7
8
4
R601 4.7K/NC
R601 4.7K/NC
R696
NC
R696
NC
R668
10K
10K
R668
10K
10K
R611
4.7K
R611
4.7K
+
10uF/16V
CE606
+
10uF/16V
CE606
TP48
TP48
R616
10K
R616
10K
R614
27K
R614
27K
R639
1K
R639
1K
TP35
TP35
C665
1000pF
C665
1000pF
C758
0.1uF/50V
0.1uF/50V
C758
0.1uF/50V
0.1uF/50V
R686
220
R686
220
C660
0.1uF
0.1uF
C660
0.1uF
0.1uF
R630 33K
R630 33K
R640
1.5K
1.5K
R640
1.5K
1.5K
R646
1.5K
1.5K
R646
1.5K
1.5K
Q613
PNP_3CG3906M
Q613
PNP_3CG3906M
+
10uF/50V
CE609
+
10uF/50V
CE609
L601
680uH
680uH
L601
680uH
680uH
R618
1K
R618
1K
TP47
TP47
C605
47pF
C605
47pF
R649
100
R649
100
R656
1K
R656
1K
R672
2K
2K
R672
2K
2K
TP20
TP20
R658
10K
R658
10K
R692
4.7K
4.7K
R692
4.7K
4.7K
C608
470pF
470pF
C608
470pF
470pF
Q616
NPN_3DG3904M
Q616
NPN_3DG3904M
C620
0.01uF
C620
0.01uF
R664
2K
R664
2K
Q618
NPN_3DG9013H
Q618
NPN_3DG9013H
R633
200
R633
200
R674
68
68
R674
68
68
R677
1.2K
R677
1.2K
R634
0
R634
0
R606
20
R606
20
TP30
TP30
C760
1000pF/50V/X7R
C760
1000pF/50V/X7R
Q603
2SK3018
Q603
2SK3018
G
D
S
R607
100K
R607
100K
TP39
TP39
R644
10K
10K
R644
10K
10K
R685
470
R685
470
XS605
4PIN/2.0mm/200mm
XS605
4PIN/2.0mm/200mm
1
1
2
2
3
3
4
4
R627
2.2K
R627
2.2K
TP24
TP24
+
47uF/16V
CE604
+
47uF/16V
CE604
TP46
TP46
TP21
TP21
C624
0.1uF
C624
0.1uF
R629
10
R629
10
D613
1N4148
1N4148
D613
1N4148
1N4148
C664
1000pF
C664
1000pF
L1
NC
L1
NC
R612
10K
10K
R612
10K
10K
C604
0.1uF
0.1uF
C604
0.1uF
0.1uF
C600
0.047uF
C600
0.047uF
TP34
TP34
+
470uF/16V
CE602
+
470uF/16V
CE602
S602
TAC020
S602
TAC020
TP27
TP27
Q622
S8050C
Q622
S8050C
R678
1.2K
R678
1.2K
TP45
TP45
R651
47K
47K
R651
47K
47K
+
-
U603A
NJM2068V
+
-
U603A
NJM2068V
3
2
1
8
4
TP38
TP38
R610
1K
R610
1K
U22
U22
V+
5
NO
1
COM
4
IN
6
NC
3
GND
2
R660
47K
R660
47K
C667
0.1uF
0.1uF
C667
0.1uF
0.1uF
S603
TAC020
S603
TAC020
R671
10K
10K
R671
10K
10K
C657
1000pF
C657
1000pF
+
10uF/16V
CE612
+
10uF/16V
CE612
Q624
S8050C
Q624
Q624
S8050C
D610
1N4007
1N4007
D610
1N4007
1N4007
R697
220
R697
220
IR1
IRM_16mm
IR1
IRM_16mm
IR
1
GND
2
VCC
3
GND
4
GND
5
TP42
TP42
R622
100K
100K
R622
100K
100K
Q
621
MMBT8050C
Q
621
MMBT8050C
Q610
NC/MMBT8050C/NC
Q610
NC/MMBT8050C/NC
TP29
TP29
Q612
PNP_3CG3906M
Q612
PNP_3CG3906M
R659
10K
10K
R659
10K
10K
R673
68
68
R673
68
68
XS601
6PIN/2.0mm
XS601
6PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
R650
2.2K
2.2K
R650
2.2K
2.2K
U21
TS5A3159
U21
TS5A3159
V+
5
NO
1
COM
4
IN
6
NC
3
GND
2
U602
SA555
U602
SA555
GND
1
TG
2
OUT
3
RESET
4
CV
5
TS
6
DA
7
VCC
8
Q625
S8050C
Q625
Q625
S8050C
R638
2.2K
2.2K
R638
2.2K
2.2K
+
47uF/
16V
C
E
611
+
47uF/
16V
C
E
611
C661
0.1uF
0.1uF
C661
0.1uF
0.1uF
R637
2.2K
2.2K
R637
2.2K
2.2K
TP22
TP22
TP37
TP37
+
47uF/50V
CE610
+
47uF/50V
CE610
Front Control Board Circuit Diagram: VOL
7-2
7-2
harman/kardon
BDS 270 + 570 Service Manual
Page 67 of 90
A
A
B
B
C
C
D
E
1
1
2
2
3
3
4
sled motor
connector
COMMON
W
V
U
B+
B-
A-
A+
V
U
W
COMMON
B+
B-
A-
A+
XP4
8pin/1.0mm
8pin/1.0mm
XP4
8pin/1.0mm
8pin/1.0mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
GND
9
GND
10
XP1
4PIN/1.0mm
XP1
4PIN/1.0mm
1
1
2
2
3
3
4
4
GND
5
GND
6
XP2
4PIN/1.0mm
XP2
4PIN/1.0mm
1
1
2
2
3
3
4
4
GND
5
GND
6
7-3
7-3
Inter.Control Board Circuit Diagram:
harman/kardon
BDS 270 + 570 Service Manual
Page 68 of 90
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