Read Harman Kardon HK 3770 (serv.man8) Service Manual online
B
1
2
3
4
5
D
C
B
A
6
C
D
A
APPROVE
CHECK
DESIGN
DRAWING NO
MODEL
SHEET
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
4 6
HK3700 /3770
2013.11.27
VD
D
GND
VL
C
AI
N
R
-
AI
N
R
+
AI
N
L+
AI
N
L-
VA
AGND
AOUTB4-
AOUTB4+
AOUTA4+
AOUTA4-
AOUTB3-
AOUTB3+
AOUTA3+
AOUTA3-
AOUTB2-
AOUTB2+
AOUTA2+
AO
U
TA2
-
AO
U
TB
1-
AO
U
TB
1+
AO
U
TA1
+
AO
U
TA1
-
MU
TE
C
LP
FLT
AGND
VAR
X
RXP
7
RXP
6
RXP
5
RXP
4
RXP
3
RXP
2
RXP
1
RXP0
TXP
VD
DGND
VLS
ADCIN2
ADCIN1
IN
T
RMCK
FILT+
VQ
RE
SE
T
SC
L/
CC
LK
CDI
N
/D
AT
A
AD0
/CS
OMCK
CX_SDOUT
SDA/
DO
U
T
SAI_SCLK
SAI_LRCK
SAI_SDOUT
CX
_L
R
CK
CX
_S
CL
K
DI
R
_M
CL
K
SC
P1_M
O
SI
SDTO2
BICK2
LRCK2
CX_SDIN4
CX_SDIN3
CX_SDIN2
CX
_S
DI
N
1
SDTO1
MCKO
DAI1_DATA3/DSD3
VDDA(3.3V)
XTI
PLL_REF_RES
SC
P1_CLK
G
N
DD6
RE
SE
T
V
DDI
O
6
EX
T
_C
S1
#
G
N
DD5
EX
T
_OE#
V
DD5
EX
T
_A
15
SD
_C
S#
SD
_R
A
S#
SD
_C
A
S#
SD
_W
E#
GND
IO
5
VDDIO5
GNDD4
VDD4
EXT_CS2#
GNDIO4
SD_A12/EXT_A12
VDD3
SD_CLKEN
SD_CLKOUT
SD_DQM1
SD_CLKIN
GNDIO3
VDDIO3
SD_D15/EXT_D15
SD_D0/EXT_D0
EXT_WE#
SD_D1/EXT_D1
GNDIO2
V
DDI
O
2
G
N
DD2
SD
_D
QM
0
DBCK
DBDA
V
DD2
GND
IO
1
G
N
DD1
V
DD1
TE
ST
DAO2_D3/XMTB
GPIO3/DDAC
XMCK
CE
N
/SU
B/
DAO
02
FL
/FR
/D
AO
00
SL
/S
R
/DAO
01
SB
L/
SB
R
/DAO
03
SD_D14/EXT_D14
SD_D13/EXT_D13
SD_D12/EXT_D12
SD_D11/EXT_D11
SD_D10/EXT_D10
SD_D8/EXT_D8
SD_D9/EXT_D9
SD_A11/EXT_A11
SD_A8/EXT_A8
SD_A9/EXT_A9
GNDD3
VDDIO4
SD_A7/EXT_A7
SD_A6/EXT_A6
SD_A5/EXT_A5
SD_A0/EXT_A0
SD_A1/EXT_A1
SD_A2/EXT_A2
SD_A4/EXT_A4
SD_A3/EXT_A3
SD
_B
A1/
EX
T
_A14
SD
_B
A0/
EX
T
_A13
SD
_A10/
EX
T
_A10
EX
T
_A
16
EX
T
_A
17
EX
T
_A
19
EX
T
_A
18
SD
_D
2/
EX
T
_D
2
SD
_D
3/
EX
T
_D
3
SD
_D
4/
EX
T
_D
4
SD
_D
5/
EX
T
_D
5
SD
_D
6/
EX
T
_D
6
SD
_D
7/
EX
T
_D
7
VDD8
GNDA
XTO
XTAL_OUT
SC
P1
_M
ISO/
SD
A
SCP1_CS
DAI1_DATA2/DSD2
DAI1_DATA1/DSD1
DAI1_DATA0/DSD0
DAI1_SCLK/DSD-CLK
DAI1_LRCK/DSD4
DAI2_SCLK
DAI2LRCK/PREQ
DAI2_DATA/DSD5
GND
IO
6
PCP/SCP2_IRQ
A2/SCP2_MOSI
PCP/SCP2_CS
PCPDS/SCP2_CK
VDDIO7
GNDIO7
DAO2_D2
D
A
O
2_D
1/
H
S4
DA
O
_M
C
LK
D
A
O
2_D
0/
H
S3
DA
O
2_
SC
LK
DA
O
2_
LR
C
LK
D
A
O
1_D
1/
H
S1
D
A
O
1_D
2/
H
S2
D
A
O
1_D
3/
X
M
T
A
D
A
O
1_D
0/
H
S0
DA
O
1_
SC
LK
DA
O
1_
LR
C
LK
UART_CLK/EE_CS#
UART_TXD
UART_RXD
V
DDI
O
1
GNDD8
VDDIO8
GNDIO8
DIGITAL AUDIO OUT DATA
VDD7
GNDD7
CS497** VDDIO * 8EA
CS497** VDD * 8EA
SCP1_IRQ
SC
P1
_P
C
P_
B
SY
AS/SCP2_MISO
V
DD6
CS
SO
WP
VSS
SI
SCK
HOLD
VDD
REFGND
FROM JACK PCB
AD
C IN
PUT
XTAL_OUT
TXC
MULTI. LAB
ANAM
ISSUE
MP
27
6
(DSP_CODEC)
12.07.26
DSP 5V Power
HK3770 ONLY
2013.11.27 2013.11.27 2013.11.27
C.D.W
S.K.S
K.J.K
2013.09.04
2013.09.04
C1338
10V
/22u
F(
H
K3770)
C1337
0.1u
F(
H
K3770)
C1339
0.1u
F(
H
K3770)
C1340
16V
/10u
F(
H
K3770)
C1315
16V
/10u
F(
H
K3770)
C1325
1000P
(H
K3770)
C1326
0.022u
(H
K3770)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
IC1301
CS42528-CQ(HK3770)
C1314
1000P
(H
K3770)
C1313
0.1uF(HK3770)
C1324
10V
/22u
F(
H
K3770)
C1323
0.1u
F(
H
K3770)
C1322
0.1u
F(
H
K3770)
C1321
100/16V
(H
K3770)
C1319
0.1u
F(
H
K3770)
C1320
10/16V
(H
K3770)
C1317
10V
/22u
F(
H
K3770)
C1318
0.1u
F(
H
K3770)
C1327
0.1u
F(
H
K3770)
C1328
10V
/22u
F(
H
K3770)
L1304
CLZ9R005V
60R(HK3770)
C1354
10V
/22u
F(
H
K3770)
C1355
0.1u
F(
H
K3770)
C1351
0.1u
F(
H
K3770)
C1366
0.1u
F(
H
K3770)
C1386
0.1uF
C1387
0.1uF
C1388
0.1uF
C1389
0.1uF
C1316
0.1u
F(
H
K3770)
R1352
3.3K(HK3770)
R1353
3.3K(HK3770)
1
2
3
4
5
6
7
8
R
N
1303
33oh
m
(1005S
IZ
E X
4)(H
K3770)
C1367
0.1u
F(
H
K3770)
C1368
0.1u
F(
H
K3770)
C1371
0.1u
F(
H
K3770)
C1370
0.1u
F(
H
K3770)
C1369
0.1u
F(
H
K3770)
C1365
0.1u
F(
H
K3770)
C1364
0.1u
F(
H
K3770)
C1372
0.1u
F(
H
K3770)
C1373
0.1u
F(
H
K3770)
C1377
0.1u
F(
H
K3770)
C1378
0.1u
F(
H
K3770)
C1379
0.1u
F(
H
K3770)
C1376
0.1u
F(
H
K3770)
C1375
0.1u
F(
H
K3770)
C1374
0.1u
F(
H
K3770)
1234
5678
RN1302
33ohm (1005SIZE X 4)(HK3770)
C1350
0.1u
F(
H
K3770)
1
2
3
4
5
6
7
8
IC1305
CVIMX25L8006EM2I-12G
(HK3770)
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
98765
4321
IC
1302
C
V
IC
S495314C
V
Z
(H
K3770)
C1336
0.01u
F(
H
K3770)
C1335
0.01u
F(
H
K3770)
C1334
0.01u
F(
H
K3770)
C1333
0.01u
F(
H
K3770)
C1332
0.01u
F(
H
K3770)
C1331
0.01u
F(
H
K3770)
C1330
0.01u
F(
H
K3770)
C1329
0.01u
F(
H
K3770)
C1306
10/16V(HK3770)
C1307
0.1uF(HK3770)
C1312
10/16V(HK3770)
1
2
3
4
5
6
7
8
IC1306
(HK3770)
HVINJM2115MTE1
C1311
150P(HK3770)
C1308
100P(HK3770)
C1309
2700P
(H
K3770)
C1310
0.1u
F(
H
K3770)
C1303
0.1u
F(
H
K3770)
C1302
2700P
(H
K3770)
C1301
100P(HK3770)
C1304
150P(HK3770)
1
2
3
4
5
6
7
8
IC1307
(HK3770)
HVINJM2115MTE1
C1305
10/16V(HK3770)
2
3
1
OU
T
GND
IN
1
2
3
IC1309
CVINJM2845DL118
(HK3770)
C1344
16V
/10u
F(
H
K3770)
C1343
100/6.3V
(OP
EN)
L1302
CLZ9Z014Z
(HK3770)
C1345
16V
/10u
F(
H
K3770)
L1303
CLZ9Z014Z
(HK3770)
C1346
100/6.3V
(OP
EN)
C1347
16V
/10u
F(
H
K3770)
C1348
16V
/10u
F(
H
K3770)
C1349
16V
/10u
F(
H
K3770)
1
23
4
X1301
(H
K3770)
CO
X24576I
120S
T
C1352
15pF(HK3770)
C1353
15pF(HK3770)
L1301
CLZ9Z014Z
(HK3770)
C1341
10V
/22u
F(
H
K3770)
C1342
0.
1u
F(
H
K3770)
C1382
0.1uF
C1383
0.1uF
C1384
0.1uF
C1385
0.1uF
R1301
100(HK3770)
R1305
100(HK3770)
R1302
4.7K(HK3770)
R
1304
4.7K(H
K3770)
R1303
2.7K(HK3770)
R1306
2.7K(HK3770)
R1307
2.7K(HK3770)
R1308
3.9K(HK3770)
R1309
4.7K(HK3770)
R1316
2.7K(HK3770)
R1315
2.7K(HK3770)
R1313
2.7K(HK3770)
R
1312
4.7K(H
K3770)
R1311
4.7K(HK3770)
R1314
100(HK3770)
R1310
100(HK3770)
R1317
100(HK3770)
R1318
100(HK3770)
R1319
0(HK3770)
R1320
0(HK3770)
0(HK3770)
R1321
0(HK3770)
R
1322
33(H
K3770)
R1324
0(HK3770)
R
1323
1.37K(H
K
3770)
R1329
1K(HK3770)
R1330
1K(HK3770)
R
1325
0(H
K3770)
R
1326
10(H
K3770)
R1328
0(HK3770)
R1331
0(HK3770)
R
1327
33(H
K3770)
R
1338
3.3K(H
K3770)
R
1337
3.3K(H
K3770)
R1334
100(HK3770)
R
1340
3.3K(H
K3770)
R
1339
10K(H
K3770)
R
1341
10K(H
K3770)
R
1335
3.3K(H
K3770)
R
1336
3.3K(H
K3770)
R1342
10K(HK3770)
R1343
10K(HK3770)
R1344
3.3K(HK3770)
R1345
10K(HK3770)
R1348
220(HK3770)
R1350
5.1K (1%)(HK3770)
R1349
33(HK3770)
R1347
0(HK3770)
R1346
1M
(H
K3770)
R1376
0(HK3770)
R
1355
0(H
K3770)
R1354
82(HK3770)
R
1356
10K(H
K3770)
R1358
10K(HK3770)
R1357
10K(HK3770)
R1362
33(HK3770)
R1363
33(HK3770)
R1375
0ohm(HK3770)
C1381
0.1uF
C1380
0.1uF
T6
T7
T8
L1214
CLZ9Z014Z
(HK3770)
C1244
10V
/22u
F(
H
K3770)
C1245
0.
1u
F(
H
K3770)
T1
DA
O0
0
DA
O0
2
DA
O0
1
DA
O0
3
+5VD_DSP
+3V3
+3V3
+5VD_DSP
+5VD_DSP
DIR_RESET
D_BL-
D_BR-
D_CT-
D_SW-
D_SL-
D_SR-
D_FL-
D_FR-
+5VD_DSP
DIR_CE
SCP1_CS
SCP1_IRQ
SCP1_IRQ
DIR_MISO
+3
V
3
DSP1_RESET
+1V8
D_FR+
D_FL+
D_FL+
D_SR+
D_SL+
D_SW+
D_CT+
D_CT+
D_BR+
D_BL+
D_BL+
+1V8
SCP1_BSY
+3V3
+1V8
SCP1_MISO
+3V3
+3V3
+1V8
+3
V
3
+1V8
+3V3
+1V8
+3V3
+3V3
+3V3
+3
V
3
+3V3
DSP_CODEC_CLK
DSP_CODEC_DATA
+1V8
+1V8
+3V3
+1V8
DAO[00:08]
+3V3
+3V3
DA
O0
3
DA
O0
2
DA
O0
1
DA
O0
0
DSP1_DAO1_SCLK
DSP1_DAO1_LRCK
DSP1_DAO1_LRCK
DSP1_DAO1_SCLK
D
SP
1_M
O
D
E
+3V3
OPT1
OPT2
COAX1
MILAN_SPDIF
CODEC_MUTE
AD_RIN
AD_LIN
+5VD_DSP
+5VD_DSP
+1V8
+3.3V_DC
+3V3
+3.3V_DC
CHGND
+5VD_DSP
+5V_DC/DC
Harman Kardon
HK 3770 Service Manual
Page 113 of 120
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