Harman Kardon AVR 7550HD Service Manual page 169

9
10
G
+5VSB
IC4062
SN74LV125APWR
1OE VCC
1 14
OSD-CE
[2]
OSD-CE 1A 4OE
2 13
F R4584
[2]
OSDCE
1Y 4A
3 12
220(1/16W)
4Y
2OE
4 11
OSD-DA 3OE
[2] OSD-DA 2A
5 10
R4583
OSD-CLK
3A
[2] OSDDA 2Y
6 9
220(1/16W)
GND 3Y
7 8
R4582
220(1/16W)
DGND DGND
E
+3.3VD
DGND
N4003-1
USB-RST
N4003-2
10K(1/16W)
USB-DUMMY
N4003-3
R4374
USPI-MHOST
N4003-4
USPI-IRQ
D
N4003-5
DGND
N4003-6
22
USB-MOSI R4375
N4003-7
22
USB-CS R4376
N4003-8
USB-CLK R4377 22
N4003-9
USB-MISO R4378 47(1/16W)
N4003-10
DGND
N4003-11
DGND
C
B
A
8 7
AVR 7550HD
R4568
10K(1/16W)
IC4061
SN74LV125APWR
VCC
1OE
1 14
[2] 1A 4OE
XMHD-TX
2 13
[7] 1Y 4A
XM-TX
3 12
[3] XMUART-SEL
Q4020
4Y
KRC107S 2OE
4 11
3OE
2A
5 10
[2]
OSD-CLK
[2] 3A
HDMI-TX 2Y
6 9
OSDCLK [2]
GND 3Y
7 8
DGND
XMUART-SEL XMHD-TX XMHD-RX
DGND
LOW HDMI-TX HDMI-RX
HIGH XM-TX XM-RX
ETHER B'D INTERFACE
P4001
35336-1010
DGND 1
[2]
USB-RST
22(1/16W)
R4344 USB_SCLK- 2
[6] USB_SCLK
22(1/16W) 3
[2] R4346 USB_LRCK-
USPI-MHOST [6] USB_LRCK
R4351 22(1/16W) USB_MCLK- 4
USPI-IRQ [2]
[6] USB_MCLK
R4357 22(1/16W) USB_SD- 5
[6] USB_SD
L4006 6
3V3-ETH
USPI-MOSI [2]
MIP3226D-100M
L4005 7
[2] 3V3-ETH
USPI-CS +3.3VD
MIP3226D-100M
+5VD_ETH 8
[2]
USPI-CLK +5VD_ETH
DGND 9
USPI-MISO [2]
10
DGND
DGND DGND DGND
6 5
+3.9VSB
D4002
2
1
1SS355
DGND
C4513
0.1UF
[2] 4094-CE
[2] 4094-DA
[2]
4094-CLK
[2]
HP-MUTE
[7]
XM-RX
[2] MUL-MUTE
[2]
XMHD-RX
[2] REC-MUTE
[7] XM-RST
[2]
HDMI-RX
[8] DM-RST
[7] SW2-RST
[8]
ADC-RST
[7] CPROTECT
[6]
DEC-SEL0
[6]
DEC-SEL1
[8] DH+6DB
[2] MUTE-CE
[2] FR-MUTE
[2] CEN-MUTE
[2]
SR-MUTE
[2]
SB-MUTE
169
3
4
harman/kardon
3V3-4094
+3.9VSB
BD4047
FCM2012CF-301T04
D4010
1SS355
IC4057
BU4094BF
R4185 1K(1/16W) VDD
ST
1 16
1K(1/16W)
R4186
ENABLE DGND
2 DATA 15
R4187 1K(1/16W) ABUS-ON
CLK Q5 [2]
ABUS-ON
3 14
HP-MUTE
Q1 Q6
4 13
MUL-MUTE +3DB-SBPRO
Q2 Q7 +3DB-SBPRO [2]
5 12
REC-MUTE +3DB-PRO
Q3 Q8 +3DB-PRO [2]
6 11
XM-RST
Q4
Q'S
7 10
VSS QS
DGND
8 9
3V3-4094
IC4058
BU4094BF
1K(1/16W)
R4543 VDD
ST
1 16
R4544 1K(1/16W)
ENABLE
DATA DGND
2 15
R4545 1K(1/16W) VOL-LED
CLK Q5 VOL-LED [2]
3 14
DM-RST XM-ONOFF
Q1 Q6 TP4005
4 13
SW2-RST SB-MULT-SEL
Q2 Q7 SB-MULT-SEL [8]
5 12
ADC-RST MULTI-RST
[6]
Q3 Q8 MULTI-RST
6 11
Q4
Q'S
7 10
DGND VSS QS
8 9
3V3-4094
IC4054
BU4094BF
1K(1/16W)
R4175 VDD
ST
1 16
R4176 1K(1/16W)
ENABLE
DATA DGND
2 15
R4177 1K(1/16W) DSP-BOOT
CLK Q5 DSP-BOOT [4]
3 14
CPROTECT COAX-CON
Q1 Q6 COAX-CON [7]
4 13
DEC-SEL0 MUL-SEL0
[6]
Q2 Q7 MUL-SEL0
5 12
DEC-SEL1 MUL-SEL1
Q3 Q8 MUL-SEL1 [6]
6 11
DH+6DB
Q4
Q'S
7 10
DGND VSS QS HD4094-DA [2]
8 9
FCM2012CF-301T04
D4009
+3.9VSB
BD4015 1SS355
IC4055
BU4094BF
1K(1/16W)
R4183 VDD
ST
1 16
R4181 1K(1/16W)
ENABLE
DATA
2 15
R4178 1K(1/16W)
CLK Q5 SW-MUTE [2]
3 14
Q1 Q6 SW2-MUTE [2]
4 13
[2]
Q2 Q7 PWR-MUTE
5 12
[3]
Q3 Q8 XMUART-SEL
6 11
Q4
Q'S
7 10
DGND VSS QS
8 9
2 1
REVISION RECORD
NO. Date Contents
Category Model
A/V RECEIVER AVR7550HD/760/660
Stage Ver. Sheet B'D name
MP v01 3 / 9 DSP
Draw Approved Date Drawing No
W.D. KIM 2009.04.13
DANECH
COMPANY LTD.