HCD-DJ2i
HCD-DJ2i
37
37
6-9. SCHEMATIC DIAGRAM – MAIN DIGITAL Section (1/2) –
• See page 32 for waveforms. • See page 56 for IC Block Diagrams.
12
I
C
11
1
8
J
G
F
E
H
5
B
9
10
7
3
6
4
D
2
A
13
4.1
4.5
4.5
4.5
4.5
4.5
9
4.5
4.5
4.5
9
4.5
4.5
4.5
0
0
0
0
3.3
0
3
3.7
3.1
9
1.6
1
3.1
3
3.1
3.1
3.1
3.1
3.1
3.1
3.4
3.1
0
0
1.5
3.1
2.8
5.3
5.6
8.4
3.3
0
0
0
0
0
0
0
0
3.4
0
3.3
3.4
0
3.3
0
0
0
0
3.2
3.2
0
0
0
0
0
0
3.3
0
0
0
0
0
0
3.3
3.2
3.2
0
0
0
0
3.2
0
21P
16V
25P
100k
R1423
J1400
0.1
C390
1k
R1403
NJM4558V-TE2
IC1420
(1/3)
0.1
C367
0.1
C392
NJM4558V-TE2
IC1420
(2/3)
220p
C1425
4.7k
R1428
10k
R358
TC74HC4066AFT(EL)
IC350
100
R137
2SD2114KT146
Q1403
NJM4558V-TE2
IC1420
(3/3)
8
4
GND
10k
R1421
100
R139
R1406
10k
TC74HC4066AFT(EL)
IC351
J1420
10k
R356
100
R1426
TC74VHC157FT(EKJ)
IC352
4.7k
R1427
RT1N431C-TP-1
Q355
INVERTER
1000p
C1401
0.1
C391
1000p
C1402
10V
1000
C368
470p
C1432
10k
R357
50V
C365 10
R1407
10k
1k
R1402
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN351
DATA
CLOCK
DO
DI
USB-SO
USB-SI
BCK
A-IN
GATE
REQ
ST-REQ
USB-RST
LRCK
DVSS
DVDD+3.3V
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
2SD2114KT146
Q1402
10V
100
C1451
JR1421
0
1k
R1448
4MHz
X1420
0.1
C1456
0.1
C1452
1k
R1447
10k
R142
10k
R140
0.1
C1455
2SC5053T100Q
Q1420
+3V REG
100k
R1451
R1442
4.7k
0.1
C1446
R1444
4.7k
10k
R1436
1k
R1439
25V
22
C1448
0.1
C1447
50V
4.7
C1449
1k
R1434
50V
4.7
C1439
10k
R1435
100
R1431
100k
R1432
1k
R1433
50V
2.2
C1438
10k
R1441
47
C1445
RT1P241C-TP-1
Q1404
MUTE DRIVE
0
R1417
10V
100
C1403
1.5k
R350
Q350
KTC3203Y-AT
+5V REG
50V
10
C351
MA2J1110GLS0
D350
C1420
0.1
0
R1443
0
R1438
10k
R359
1000p
C1421
C1429
1000p
D351
MAZ8056GMLS0
MAZ8036G0LS0
D1421
100
R141
JW351
JW354
JW1420
16V
100
C1431
1
2
13
12
11
10
9
8
7
6
5
4
3
25
24
23
22
21
20
19
18
17
16
15
14
CN103
HP-MUTE
CH1-MUTE
CH1-LVL
CH2-LVL
TDA7448-DATA
TDA7448-CLK
HP-SEL
R2A15216-DATA
R2A15216-CLK
CH2-MUTE
IPOD2-DET
IPOD2-TXD
IPOD2-RXD
IPOD1-DET
IPOD1-TXD
IPOD1-RXD
CH2-SEL
AGND
R-IN
AGND
L-IN
AGND
R-OUT
AGND
L-OUT
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
31P
CN350
DATA
CLK
GATE
ST_REQ
AIN
BCK
LRCK
M-MUTE
MGND
VM(7V)
DVDD(3.3V)
D-OUT
DGND
SBSY
REQ
/CCE
BUCK
BUS3
BUS2
BUS1
BUS0
/RST
AGND
L-OUT
DACGND
R-OUT
AVDD(3.3V)
L-IN
ADCGND
R-IN
ADCVDD(5V)
100k
R1437
47k
R1463
47k
R1445
C1463
100p
39p
C1443
50V
2.2
C1428
1k
R1424
150k
50V
2.2
C1426
1k
R1429
3.3k
R1430
270p
C1427
50V
2.2
C1433
560p
C1434
3P
CN1420
SIG IN
AGND
SIG OUT
1
2
3
1
2
3
1
2
3
3P
NO1421
MIC/BEAT SIG
AGND
A+9V
3P
NO1401
HP-L
HP GND
HP-R
50V
2.2
C1422
50V
2.2
C1435
50V
2.2
C1437
50V
10
C1430
10
R1412
10
R1414
R1416
470
TP021
TP022
TP023
TP031
TP032
TP033
TP034
TP035
TP036
TP037
TP038
TP039
TP040
TP041
TP042
TP043
TP044
TP045
TP046
TP047
TP048
TP049
TP050
TP051
TP052
TP053
TP054
TP055
TP133
TP131
TP132
TP174
TP181
TP177
TP176
TP179
TP180
TP175
TP178
TP166
TP173
TP169
TP168
TP171
TP172
TP167
TP170
TP151
TP158
TP154
TP153
TP156
TP157
TP152
TP155
TP163
TP159
TP160
TP161
TP198
TP192
TP196
TP197
TP191
TP193
TP194
TP195
TP206
TP200
TP204
TP205
TP199
TP201
TP202
TP203
TP208
TP207
TP209
TP210
TP211
IC1421
NJM4558V
-TE2
+7V
+3.3V
HP-MUTE
SGND
GND
MGND
10
R1413
10
R1415
JR350
0
JR352
0
0.1
C383
50V
10
C382
0.1
C364
MA2J1110GLS0
D1403
4.7k
R1418
A_IN
57
BUCK_U
LRCK
56
BUS3_U
58
ST-REQ
REQ_U
BUS2_U
BUS0_U
DATA
BCK
55
59
CLK
54
CCE_U
GATE
BUS1_U
40
ML2252-RST
44
45
42
53
39
37
43
92
CH1-MUTE
93
25
26
HP_SEL
27
28
CH2-MUTE
CH2_SEL
29
30
18
22
24
73
BUS0_Z
BUS1_Z
BUS2_Z
BUS3_Z
BUCK_Z
CCE_Z
REQ_Z
LRCK
BCK
A_IN
ST-REQ
GATE
CLK
DATA
REQ_U
CCE_Z
CCE_U
BUCK_Z
BUCK_U
BUS3_Z
BUS2_Z
BUS1_Z
BUS0_Z
BUS3_U
BUS2_U
BUS1_U
BUS0_U
REQ_Z
51
19
50
34
38
36
35
52
USB/CD_SEL
43,44,45,37,39,
40,42,ML2252-RST
19,34,35,36,38,50,
51,52,53,54,55,56,
57,58,59,USB/CD_SEL
18,22,24,25,26,27,28,29,
30,73,92,93,CH1-MUTE,
CH2-MUTE,CH2_SEL,HP_SEL
MAIN DIGITAL BOARD (1/2)
PRE AMP
IC1421
MIC AMP
IC1420
USB/CD SELECT
IC352
CD CONTROL
IC351
USB CONTROL
IC350
MIC
Q1402,1403
MUTE