Read Harman Kardon BDS 270 Service Manual 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
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