Read Harman Kardon BDS 270 Service Manual online
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
TO VFD BOARD
䇗䆩ষ
H 㾷BD MUTE
L BD MUTE 䍋⫼
YI
YO
PGED1
IR
KEY_LED
PGEC1
HP_MUTE
MCLR
TX_ADV
I2C_SCL
PGEC1
PGED1
PGED1
I2C_SDA
MCLR
HP_MUTE
IR
YO
YI
YI
RX_
ADV
MIC_DET
MIC_DET
3.3V_MCU
+3.3V_STB
+3.3V_STB
+3.3V_STB
3.3V_MCU
+3.3V_FB
3.3V_MCU
CS3.3V
3.3V_MCU
3.3V_MCU
+3.3V
3.3V_MCU
I2C_SCL
I2C_SDA
I2C_SDA
POWER_LED
VSTB
VLCK
VDIN
MIC_CT
VFD_RST
HP_DET
OPEN_KEY
PW_KEY
VOL-
VOL+
BD_IR
FAN_DET
TU_GPIO/RDS
DSP_REST
SPI2
IR_IN
FAN_DET
BKND_ERR
BD_SPI1
PCP
I2C_SDA
I2C_SCL
I2C_SCL
ADC_RST
HP_DET
I_TX
VDIN
FAN_2
BD_MISO
MIC_CT
I_RX
BD_MOSI
BD_SCLK
BD_SCLK
BD_CS
I_DET
FAN
LINE_MUTE
MOSI_CS
MISO_CS
SCLK_CS
CS_CS
MISO_CS
SCLK_CS
CS_CS
TUNER_reset
P/RESET
AMP_MUTE
MCU_BD
TUNER_SEN
/PDN
TUNER_SDIO
HP_SELO
VOL-
VOL+
TUNER_SCLK
SPDIF_REST
VSTB
P_MUTE
VLCK
VFD_RST
HP_MUTE
IR_IN
KEY_LED
BD_MUTE
POWER_LED
PW_KEY
OPEN_KEY
BD_IR
BD_SPI1
BD_SCLK
BD_CS
BD_MISO
BD_MOSI
IR_IN
INT_TX
INT2_RX
INT_RX
INT2_RX
INT_RX
RST_7622
PD_7622
SCL_7622
SDA_7622
SDA_7622
KEY_LED
FM_EN
R207
0
R207
0
U11
EEPROM 24C16
U11
EEPROM 24C16
NC
1
NC
2
NC
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
TP137
TP137
R258
0
R258
0
TP152
TP152
TP143
TP143
R231
0
R231
0
TP155
TP155
R188
0
R188
0
R202
33
R202
33
R253
0
R253
0
R221
0
R221
0
C1078
2.2uF
C1078
2.2uF
R199
33
R199
33
R234
0
R234
0
Y4
8MHz/30PPM
Y4
8MHz/30PPM
C94
27pF/50V/NP0
C94
27pF/50V/NP0
TP138
TP138
R189
0
R189
0
R215
0
R215
0
R222
0
R222
0
TP158
TP158
TP153
TP153
C
111
0.
01uF/
50V/
Y5V
C
111
0.
01uF/
50V/
Y5V
R259
0
R259
0
R249 100
R249 100
C
9
3
0
.01uF/
50V/
Y5V
C
9
3
0
.01uF/
50V/
Y5V
R238
0
R238
0
TP156
TP156
R223
0
R223
0
TP144
TP144
R182
4.7K
4.7K
R182
4.7K
4.7K
R251
0
R251
0
R190
0
R190
0
TP139
TP139
R210
0
R210
0
C
105
47pF/
50V/
N
P0
C
105
47pF/
50V/
N
P0
R248
0
R248
0
R209
0
R209
0
R245
0
R245
0
R197
33
R197
33
TP157
TP157
R229
0
R229
0
R191
0
R191
0
TP154
TP154
C
2
0.
01uF/
50V/
Y5V
C
2
0.
01uF/
50V/
Y5V
C102
0.1uF/25V/Y5V
C102
0.1uF/25V/Y5V
R232
0
R232
0
R239
4.7K
R239
4.7K
R242
0
R242
0
R243
0
R243
0
TP140
TP140
U729
IC_80P_PIC24FJ256GA108
U729
IC_80P_PIC24FJ256GA108
PMD5/CN63/RE5
1
SCL3/CN64/RE6
2
SDA3/CN65/RE7
3
RPI38/CN45/RC1
4
RPI40/CN47/RC3
5
PMA5/RP21/C1IND/CN8/RG6
6
RP26/PMA4/C1INC/CN9/RG7
7
PMA3/RP19/C2IND/CN10/RG8
8
MCLR
9
RP27/PMA2/C2INC/CN11/RG9
10
VSS
11
VDD
12
TMS/RPI33/CN66/RE8
13
TDO/RPI34/CN67/RE9
14
PGEC3/RP18/C1INA/CN7/AN5/RB5
15
PGED3/RP28/C1INB/AN4/CN6/RB4
16
C2INA/AN3/CN5/RB3
17
RP13/C2INB/AN2/CN4/RB2
18
RP1/AN1/CN3/RB1
19
RP0/AN0/CN2/RB0
20
RP6/CN24/RB6
21
AN7/CN25/RB7
22
VREF-/CN41/RA9
23
REF+
/CN42/RA10
24
AVDD
25
AVSS
26
RP8/AN8/CN26/RB8
27
RP9/AN9/CN27/RB9
28
PMA13/AN10/CVref/CN28/RB10
29
PMA12/AN11/CN29/RB11
30
VSS
31
VDD
32
TCK/PMA11/AN12/CTED2/CN30/RB12
33
TDI/PMA10/AN13/CTE1/CN31/RB13
34
RP14/PMA1/AN14/CN32/RB14
35
RP29/PMA0/AN15/REFO/CN12/RB15
36
RP143/CN20/RD14
37
RP5/CN21/RD15
38
PMA9/RP10/CN17/RF4
39
PMA8/RP17/CN18/RF5
40
RP16/CN71/RF3
41
RP30/CN70/RF2
42
RP15/CN74/RF8
43
CN73/RPI44/RF7
44
RPI45/INT0/CN72/RF6
45
SDA1/CN84/RG3
46
SCL1/CN83/RG2
47
VDD
48
OSC1/CLKIN/CN23/RC12
49
OSC2/CLKO/CN22/RC15
50
VSS
51
RPI36/SCL2/CN43/RA14
52
RPI35/SDA2/CN44/RA15
53
RP2/RTCC/CN53/RD8
54
RP4/CN54/RD9
55
RP3/PMCS2/CN55/RD10
56
RP12/PMCS1/CN56/RD11
57
C3IND/CN1/RC13
59
RPI37/CN0/RC14
60
RP11/CN49/RD0
58
RP24/CN50/RD1
61
RP23/CN51/RD2
62
PMBE/RP22/CN52/RD3
63
RP142/CN57/RD12
64
CN19/RD13
65
PMWR/RP25/CN13/RD4
66
PMRD/RP20/CN14/RD5
67
C3INB/CN15/RD6
68
SE/C3INA/CN16/RD7
69
Vcap/Vddcore
70
ENVREG
71
CN68/RF0
72
CN69/RF1
73
CN78/RG1
74
CN77/RG0
75
PMD0/CN58/RE0
76
PMD1/CN59/RE1
77
PMD2/CN60/RE2
78
PMD3/CN61/RE3
79
PMD4/CN62/RE4
80
R91
33
R91
33
TP145
TP145
R158
1K
R158
1K
C98
0.1uF/25V/Y5V
C98
0.1uF/25V/Y5V
C
4
0.
01uF/
50V/
Y5V
C
4
0.
01uF/
50V/
Y5V
TP148
TP148
R208
4.7K
4.7K
R208
4.7K
4.7K
R240
4.7K
R240
4.7K
C
107
47pF/
50V/
N
P0
C
107
47pF/
50V/
N
P0
C104
0.1uF/25V/Y5V
C104
0.1uF/25V/Y5V
R244
0
R244
0
TP159
TP159
XP100
2PIN/2.0mm
XP100
2PIN/2.0mm
1
1
2
2
R246
0
R246
0
C103
0.1uF/25V/Y5V
C103
0.1uF/25V/Y5V
C
106
47pF/
50V/
N
P0
C
106
47pF/
50V/
N
P0
R260
0
R260
0
TP129
TP129
R92
0
R92
0
R200
33
R200
33
R201
33
R201
33
TP130
TP130
TP12
TP12
R247
0
R247
0
R173
1M
R173
1M
R441
1K
R441
1K
R241
4.7K
R241
4.7K
TP128
TP128
R256
0
R256
0
R252
0
R252
0
C95
0.1uF/25V/Y5V
C95
0.1uF/25V/Y5V
C
108
47pF/
50V/
N
P0
C
108
47pF/
50V/
N
P0
C
110
0.
01uF/
50V/
Y5V
C
110
0.
01uF/
50V/
Y5V
TP131
TP131
R216
4.7K
R216
4.7K
TP149
TP149
R181
4.7K
R181
4.7K
TP146
TP146
R254
0
R254
0
Q51
NPN_3DG3904M
Q51
NPN_3DG3904M
TP132
TP132
C
112
0.
01uF/
50V/
Y5V
C
112
0.
01uF/
50V/
Y5V
R211
0
R211
0
R212
4.7K
R212
4.7K
TP142
TP142
R183
3K
R183
3K
R185
27K
27K
R185
27K
27K
R218
0
R218
0
TP133
TP133
R237
0
R237
0
R193
0
R193
0
FB8
400/200mA
FB8
400/200mA
XP809
20PIN/1.0mm
XP809
20PIN/1.0mm
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
R235
0
R235
0
R205
0
R205
0
R214
0
R214
0
R236
0
R236
0
TP150
TP150
D1
LL4148
D1
LL4148
TP134
TP134
R194
0
R194
0
R206
0
R206
0
TP147
TP147
R184
0
R184
0
R217
0
R217
0
XP16
5PIN/2.0mm
XP16
5PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
R203
0
R203
0
C97
0.1uF/25V/Y5V
C97
0.1uF/25V/Y5V
TP135
TP135
R233
0
R233
0
R195
0
R195
0
+
47uF/16V
CE20
+
47uF/16V
CE20
R257
0
R257
0
R192
4.7K
4.7K
R192
4.7K
4.7K
C99
0.1uF/25V/Y5V
C99
0.1uF/25V/Y5V
C
109
47pF/
50V/
N
P0
C
109
47pF/
50V/
N
P0
R219
0
R219
0
TP151
TP151
R198
33
R198
33
R187
0
R187
0
XP812
14PIN/1.0mm
XP812
14PIN/1.0mm
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
R1010
100
R1010
100
TP136
TP136
R196
0
R196
0
C
1
0.
01uF/
50V/
Y5V
C
1
0.
01uF/
50V/
Y5V
C100
0.1uF/25V/Y5V
0.1uF/25V/Y5V
C100
0.1uF/25V/Y5V
0.1uF/25V/Y5V
C
3
0.
01uF/
50V/
Y5V
C
3
0.
01uF/
50V/
Y5V
R204
0
R204
0
C1076
0.1uF/25V/Y5V
C1076
0.1uF/25V/Y5V
XP813
4PIN/2.0mm
XP813
4PIN/2.0mm
1
1
2
2
3
3
4
4
C
9
6
0
.01uF/
50V/
Y5V
C
9
6
0
.01uF/
50V/
Y5V
R186
0
R186
0
R213
0
R213
0
C92
27pF/50V/NP0
C92
27pF/50V/NP0
R220
0
R220
0
Amplifier Board Circuit Diagram:MCU
7-25
7-25
harman/kardon
BDS 270 + 570 Service Manual
Page 90 of 90
