Harman Kardon HK 3490 Service Manual page 70

harman/kardon
6
DSP PART
D +5VD
R504
100K
+5VD
VCC
GND
14 13 12 11 10 9
TC74HCU04
OUT
IC55
1 2 3 4 5 6
JK52
C502 R503 R505
0.1uF 100K
1K
C I-POD PART
L601
CHGND
R602 R603
ID
VCC 549K 0
I-RX
I-TX
DETECT
S-Y
S-C
CVBS Do not use
*Option
REMOTE
L-REC R604 0
R-REC
L-CH 10/50V C603
R-CH 10/50V C604
S-GND
C786 0.1uF
0.1uF
C787
DGND
B
XM READY PART
XM_TXD
XM_RXD
XM_CMD
XM_IRQ
R768
XM_RST
+5.3V
A
JK71
XM BUS 1
D-
2
D+
1 2 3 4
3
DGND
4
+3.3VD
DGND
DGND DGND
*option
do not use
5
+5VD
8
AGND
7
TEST1
R
RX1
NC
RX0
AVSS
AVDD
AGND AGND AGND VREFH
VCOM
RIN
AD_RIN
LIN
AD_LIN
ROUT1+
ROUT1-
LOUT1+
LOUT1-
ROUT2+
ROUT2-
LOUT2+
LOUT2-
ROUT3+
ROUT3-
+5VD +5VD
+12VI
DMP_DET
Q601
HVTKRC102S
AGND
R619
220
R622
R618
R617 10K 10K 2.2K
C614
22P
AGND
5 6 7 8
IC62
NJM2068
4 3 2 1
C612
AGND
22P
AGND
R623 R624 R625
10K 10K 2.2K
C610 R610
47K
1/50V
+3.3VD
DGND
R706 LSDP_TXRX
DGND
22K VSS
R760 100
SC_TX_OUT
C705
R761 100 VDD
R762 100
0.1uF SC_RX_IN
R763 100 IC71
VSS
XM Radio on US versions only XMDTIC
COMMAND_SEL
C706
VDD
0.1uF IRQ#
VSS
1K RESET#
SLAVE-SEL
R711
R701
*Option : Do not use
0
22
0.1uF
RN72 C715
C716 0.1uF
22*2
R702
22 *Option : Do not use
DGND DGND
*option
do not use
4 3
+5VD
+3.3VD +5VD
INT1
BOUT
TVDD
AGND AGND AGND AGND
DVDD
DVSS
AGND
R521
XTO R508 33
XTI 0 AGND
C510
22P
TEST3
IC53 MCKO2
C511
AK4589 MCKO1 22P AGND
COUT
UOUT
VOUT
SDTO2
BICK2
LRCK2
SDTO1
BICK1
LRCK1
CDTO
R510 1K
AGND
AGND
AGND AGND
R630 1K
PC/DMP_RX
PC/DMP_TX
R626 C618
IPOD_IN_LCH
2.2K
10/50V
C615
470P
5 6 7 8
IC63
NJM2068
4 3 2 1
C616 AGND
470P
AGND
C617
R629
IPOD_IN_RCH
2.2K 10/50V
+5VX
AGND
22
XM_MCLK R764 MCLK DZFL
22
XM_LRLK R765
XM_BCLK R766
22
BICK DZFR
XM_DATA R767 22
SDTI VDD
*Option
+5VX
ONLY XM 4.0 VER
R742 22K VSS
LRCK
R719 22K
HSDP_EN
R741 0 VCOM
VSS PDN
XM_DAC_RST
R718 22K
HSDP_CLK
C721
VDD
AOUTL
SMUTE
22K
HSDP_DATA R717 0.1uF
AGND
VSS
R725
AOUTR
TEST ACKS
VSS 10K
OSC_IN
C720 DIFO P/S
VDD
45.1584MHz
OSC_OUT 0.1uF
XM_MUTE
Do not use
VSS R716 0
X501 *Option
45.1584MHz
1M
R723
AGND
For EMC
DGND C791 0.1uF
DGND
C780 0
C790 0.1uF
C781 0
DGND
+3.3VD C785 0.1uF
C782 0
C788 0.1uF
C789 0.1uF C783 0
AGND DGND CHGND
R712
100
R713
100
DGND DGND
2
1K
R553
R552 1K
R551 1K
+1.8VD +3.3VD
+3.3VD 36 35 34 33 32 31 30 29 28 27 26 25
VDDIO3 VDDIO2
37 24
_SCP_CS DAO_SCK
38 23
R525
3.3K R527 33 _SCP_IRQ GNDD3
39 22
GNDIO4 DAO_LRCK
40 21
R526
3.3K R528 33 _SCP_BSY DAO1_DAT0
41 20
IC54
VDDD3 GNDIO2
42 19
XTAL_OUT DAI2_SCK
43 CVICS48560CQZ 18
XTI DAI2_LRCK
44 17
XTO VDDD1
45 16
GNDA DAI2_DAT0
46 15
R530 5.1K
PLL_REF_RES DAI1_DAT3
47 14
VDDA DAI1_DAT2
48 13
1 2 3 4 5 6 7 8 9 10 11 12
R531 0
L504
R588
2.2K
R534
R586
1K
2.2K
2.2K R563 6.8K
C573 10/50V R554 C543 *Option
R584 3.3K R562
1.5K
*DO NOT USE
C574 10/50V R555 390P C546
3.3K R560 R567
-15VA -15VA
1.5K 10/50V
100
4 3 2 1
IC44
5 6 7 8
AGND
+15VA +15VA
C575 10/50V 3.3K C545
R556 R561 R566
C576 10/50V 1.5K C542 100 10/50V
R557 3.3K
R564 1.5K
390P
6.8K
R565
+1.8VD +1.8VD IC51 IC52
+5VD
+3.3VD +3.3VD
CVIKIA1117S18 KIA1117S33
L501 L500 L503
2 3 2 3
Out In Out In
1 1
+12VI
+5VD
DGND
R738 +5.6VX
3.3K DGND
C753 R729 C732 +15VA +15VA C755 XM_L
AGND
0.001
1.5K 10/50V
10/50V
R736
3.3K
C729
270p
5 6 7 8
IC73
+6dB
4 3 2 1
C730
AGND AGND
270p
R734 R735
3.3K
3.3K
C752 -15VA C731 C754
R730 AGND XM_R
1.5K 0.001 10/50V
10/50V
+5.3V
+5.6VX +5.6VX
+5VX
+8VA
L702
IC74
L701
CLZ9Z014Z
1 3
Out In
2
DGND
DGND
AGND AGND
AGND
HK 3490/230 Service Manual
1
CODEC_RST
CODEC_CDTO
_DSP_SCP_BSY
_DSP_IRQ
_DSP_CE
CODEC_CE
DSP_SCP_CLK
SCP_DO
SCP_DI
PC/DMP_RX PC/DMP_RX
PC/DMP_TX PC/DMP_TX
DMP_DET DMP-DET
+3.3VD +3.3VD
+15VA +15VA
+15VA
+15VA
AGND
AGND
-15VA -15VA -15VA
-15VA
AGND
CODEC_RST
CODEC_RST
CODEC_CDTO
CODEC_CDTO
R542 33 BICK1
CODEC_CE
CODEC_CE
DSP_SCP_CLK
DSP_SCP_CLK
R541 33 LRCK1
SCP_DO
SCP_DO
R540 33 SDTI1
SCP_DI
SCP_DI
_DSP_SCP_BSY _DSP_SCP_BSY
R539 33
BICK2
_DSP_IRQ _DSP_IRQ
R538 33
LRCK2
_DSP_CE _DSP_CE
DSP_RST
R537 33
SDTO2
DSP_RST
+8VA
+8VA
AGND
AGND
Do not use
XM_RXD
33 XM_RXD
R536 BICK1
XM_TXD
33 XM_TXD
R535 LRCK1
XM_CMD
XM_CMD
XM_IRQ R770 0
XM_IRQ
XM_RST R771 0
XM_RST
XM_DAC_RST R519
XM_DAC_RST
XM_MUTE 0
XM_MUTE
AGND
DSP_RST
AGND
IPOD_IN_RCH
IPOD_IN_RCH
IPOD_IN_LCH
IPOD_IN_LCH
DSP_FR XM-R
XM_R
XM-L
XM_L
+12VI
R590 33K
V-PROTECT
AD_RIN
AD_RIN
+1.8VD
R591 6.8K
AD_LIN
+3.3VD AD_LIN
R592 12K
AGND DSP_FR
+5VX DSP_FR
R593 15K
+5.3V
DSP_FL DSP_FL
R594 15K
DSP_FL
V-PROTECT V-PROTECT
IC64
L7812CP D602
2 OUT IN 1
1N4003 +18V
D603
+12VI GND
+12VI 3
+12VI 1N4003
AGND
AGND
AGND
IC56
AGND
L7805CP D504
+5VD 2 1
OUT IN
+5VD 1N4003
+5VD
GND
3
D505
DGND
DGND
1N4003
DGND
1N4003
DGND
D703
DGND
+5.6VX
3
+5.3VX
GND
+5.6VX
1N4003
OUT IN
2 1
D704
L7805CP
IC75
ISSUE
MP
ANAM
MULTI. LAB
2008.02.25
REVISION 2 4 6
1 3 5 7
SCHEMATIC DIAGRAM
SHEET
HK3490 4
MODEL
DESIGN CHECK APPROVE DRAWING NO
Lee.H.W
Lee.K.M Kim.J.H
12062SCMY
(DSP)
08.02.25
08.02.25 08.02.25
D
C
B
A
4
1
1
Page 70 of 70