Harman Kardon AVR 171/230 Service Manual page 167

Harman Kardon
6
C1445
R1463
100 100P
R1464
4.7K AGND
1 2 3 4
8 7 6 5
R1466
2.7K
AGND
R1468 C1448
C1446 2.7K 10/16V
D R1467
100
150P C1450
10/16V
R1470 C1449
R1472 R1473
+5VD_DSP 2.7K 10/16V
3.9K 4.7K
C1451
R1458
C1442 0.1uF
AGND
100 100P
R1459
4.7K
AGND
1 2 3 4
8 7 6 5
R1461
2.7K
AGND
+5VD_DSP
C1443
R1462
100
150P
C
16 15 14 13 12 11 10 9 8 7
VQ
17
FILT+
18
REFGND
19
AGND AGND AGND
AOUTB4-
D_BR- 20
AOUTB4+
D_BR+ 21
AOUTA4+
D_BL+ 22
AOUTA4-
D_BL- 23
VA
24 CS42528-CQ
AGND
IC1405
AGND 25
AOUTB3-
D_SR- 26
AOUTB3+
D_SR+ 27
AOUTA3+
D_SL+ 28
AOUTA3-
D_SL- 29
AOUTB2-
D_SW- 30
AOUTB2+
D_SW+ 31
AOUTA2+
D_CT+ 32
33 34 35 36 37 38 39 40 41
D_CT-
D_FR-
D_FR+
D_FL+
D_FL-
+5VD_DSP
AGND
0
R1446
Library ADD
R501 ->1.37Kohm
AGND
AGND
R1449
+5VD_DSP
0
B
AGND
+1V0_DC
A
L1402
+1VD
CLZ9Z014Z
(1A)
5
From Volume
R1469
AD_LIN
0
R1471
AD_RIN R1440 100
0
100
R1441
+3V3_DC
50 49 48 47 46 45 44 43
IC1402 CVIM12L16161A5TG2Q
1 2 3 4 5 6 7 8
0
+3V3_DC
R1445
R1444
+5VD_DSP
0
R1443
DSP1_DAO1_LRCK
0
R1442
DSP1_DAO1_SCLK
0
R1457
0
6 5 4 3 2 1
CX_SDIN2
64
CX_SDIN3
63
CX_SDIN4
62
SAI_SCLK BICK2
61
SAI_LRCK LRCK2
60
OMCK R1456
59
R1455 1K
ADCIN1 0
58
R1454 1K
ADCIN2
57
CX_SDOUT SDTO1
56
R1453
RMCK MCKO
55
SAI_SDOUT SDTO2 56
54
VLS
53
DGND
52
VD
51
TXP
50
RXP0
49
42 43 44 45 46 47 48
+5VD_DSP +3V3_DC
DIGITAL AUDIO OUT DATA
OPT1
OPT2 FROM JACK PCB
COAX1
Not use
860SPDIF
ARC_SPDIF1
ARC_SPDIF2
HDMI_RX_SPDIF
4 3
4 3 2 1 4
4 3 2 1
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 8 7 6 5 8
8 7 6 5
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
SD_A3/EXT_A3
SD_A2/EXT_A2
SD_A1/EXT_A1
SD_A0/EXT_A0
SD_A10/EXT_A12
SD_BA0/EXT_A13
SD_BA1/EXT_A14
SD_CS/EXT_OE
SDRAM
SD_RAS/EX_CS1
SD_CAS/EX_CS2
R1401
TEST_EN
0
+1VD
R1402
33 DAI1_D5
RN1410
DAI1_D4
33ohm (1005SIZE X 4)
DAI1_D3
DAI1_D2
+1VD
DAI1_D1
DAI1_D0
+1VD
R1476 33
DAI1_SCK1
DAI1_LRCK1
DAI1_LRCK2
DAI1_SCK2
VDDIO1
+3V3_DC
GNDIO1
RN1411
33ohm (1005SIZE X 4)
R1403 1K
R1404 1K
R1405
1K
R1406 1K
+3V3_DC
IC1403
CVIMX25L3206EM2I-12G
+3V3_DC
10K
R1411
R1410
3.3K
R1409
10K
HDMI_MCK_SW
HDMI M_SW
H : B & HDMI on
IC1408
HVITC74VHC157FT L : A & HDMI off
SEL VCC +3V3_DC
1A ST
1B 4A
1Y 4B
2A 4Y
2B 3A
56
2Y 3B
R1474
+3V3_DC
82
CS49834 VDDIO * 6EA
GND 3Y
R1475
2
3 2 1 4 3 2 1 4 3 2 1
7 6 5 8 7 6 5 8 7 6 5
DAO3_D3/XMTA
SD_D11/EXT_D3
SD_D12/EXT_D4
SD_D13/EXT_D5
GNDIO4
VDDIO4
SD_D14/EXT_D6
SD_D15/EXT_D7
SD_D0/EXT_D8
SD_D1/EXT_D9
SD_D2/EXT_D10
VDD1
SD_D3/EXT_D11
GND1
SD_D4/EXT_D12
EE_CS1 SD_D5/EXT_D13
IC1401
EE_CS0 GND10
VDD10
CVICS49834CVZ SD_D6/EXT_D14
SD_D7/EXT_D15
SD_DQM0/EZT_A15
VDD2 SD_WE/EXT_WE
GND2 DAO3_D6/UARTEN
DAO3_D5/UARTCK
DAO3_D2/UARTRX
GND3 DAO3_D1/UARTTX
VDD3 SCP1_BSY
VDD9
GND9
SCP1_IRQ
SCP1_CLK
SCP1_MISO_SDA
GND8
RESET VDD8
DBDA0 SCP1_MOSI
DBDA1 SCP1_CS
DBCK0 SCP2_CS
DBCK1 DAO3_D7/XMTB
+3V3_DC
+1VD
R1418 1M +3V3_DC
C1408
X1401
R1430 10K
24.576M
0.1uF R1429 10K
R1428
10K
R1427 10K
DAO[00:08]
R1439
DAO00
R1438 0
DSP1_DAO1_SCLK
R1437
0
DSP1_DAO1_LRCK
0 R1436
+3V3_DC
10K
10 9 8 7 6 5 4 3 2 1
ON : HIGH
+3V3_DC
HDMI_TX_AUDIO_SW
Q1401
C1413 RT1N241C
11 12 13 14 15 16 17 18 19 20
0.1uF
HDMI_RX_SD0
HDMI_RX_SD1
HDMI_RX_SD2
HDMI_RX_SD3
HDMI_RX_LRCK
HDMI_RX_SCK
HDMI_RX_MCLK
DSP_LRCK
DSP_SCLK
DSP_DATA0
+1VD MP
CS49834 VDD * 15EA
ISSUE
ANAM
MULTI. LAB
12.12.21
AVR 171 Service Manual
1
+3V3_DC
CODEC_MUTE
DIR_RESET
DIR_CE
DSP_CODEC_DATA
DIR_MISO
DSP_CODEC_CLK
DSP1_RESET
SCP1_BSY
SCP1_CS
SCP1_IRQ
SCP1_MISO
DSP_MODE1
DSP_MODE2
SD_D11
SD_D12
RN1406
SD_D13
+3V3_DC
SD_D14
SD_D15
RN1407
SD_D0
SD_D1
SD_D2
SD_D3
C1480
RN1408
SD_D4
0.1uF
SD_D5
C1481
0.1uF
+1VD
C1482
SD_D6
SD_D7 0.1uF
RN1409 C1483
SD_DQM0
SD_WE
0.1uF
SDRAM
C1484
0.1uF
C1485
+1VD
0.1uF
C1486
0.1uF
C1487
0.1uF
+1VD
C1488
0.1uF
C1489
0.1uF
AGND
FROM HDMI RX AUDIO
TO HDMI TX AUDIO
REVISION 2 4 6
1 3 5 7
SCHEMATIC DIAGRAM
AVR171/230
MODEL
DESIGN CHECK APPROVE DRAWING NO
12505SCDZ
C.D.W S.K.S C.D.C
(DSP_CODEC)
12.12.21 Page 167 of 174
12.12.21 12.12.21
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SHEET
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