HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
41
41
6-13. SCHEMATIC DIAGRAM - MAIN Board (6/12) -
• See page 65 for IC Block Diagrams.
5
5
6.8
3.1
3.3
3.3
4
3.1
3.1
6.8
11.3
4.9
3.1
1.3
6.8
4.9
3.3
3.3
3.3
R569
0
R568
0
R567
0
R566
0
R565
0
R564
0
OVF2
OVF1
DIAG
10V
100
C526
0.1
C531
0.1
C533
TP541
TP529
TP531
TP533
TP538
TP534
TP537
TP535
FB510
FB506
100
R579
0.1
C532
1000p
C538
TP553
TP551
TP550
TP542
TP539
TP540
TP543
TP544
TP545
TP547
R636
0
IFSCK
IFSDO
CEC_RX_IN
XSYSRST
XSYSRST
M+12V
6.3V
1000
C528
DC-DET
A.CAL_OUT
SL501
SL502
SL503
SL504
10k
R631
2SC3052EF-T1-LEF
Q631
47k
R632
TP635
TP636
TP637
2SC3052EF-T1-LEF
Q632
R584 1k
P_CONT2
+6V
16V
100
C539
1
2
3
4
5
6
7
8
9
9P
CN504
D-GND
TXD1
RTS1
3.3V
CLK1
RXD1
CNVSS
RESET
D-GND
0.01
C581
0.01
C592
1.5k
R598
10k
R587
39k
R588
0.1
C582
22k
R597
10V
100
C583
1k
R589
10k
R596
0.01
C591
1
2
3
4
5
SI-3010KM-TLS
IC506
10V
100
C593
100
R580
R590
1k
R599
1k
TP536
16V
100
C594
16V
100
C584
M-GND
1
3
4
5
6
7
8
9
10
11
12
13
14
14P
CN506
P_CONT1
EN
P_CONT3
E4V
6V
6V
D-GND
D-GND
M+9V
M-GND
M+14V
12V
A-GND
M+14V
TP552
LAT3
EN
NS_INIT
D3.3V
A12V
SOFT_MUTE
HPMUTE
SCDT
SHIFT
LAT1
D-GND
LAT2
XSYSRST
5V
XIFCS
IFSDI
XIFBSY
CEC_TX_OUT
M+9V
A-GND
A5V
1000p
C574
1
C571
0.1
C572
50V
22
C573
5
4
3
2
1
TK11150CSCL-G
IC507
R546
1k
MC2836
D502
R540
10k
TP582
TP583
TP584
TP585
TP586
TP587
TP588
FB508
FB505
R508
0
C527
1000
6.3V
Bup3.3V
R592
0
HDMI_PCONT
1
2
3
4
5
SI-3010KM-TLS
IC505
1k
R526
TP514
1
C509
0.1
C510
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN501
LED_LATCH
6V
GAIN-CONT
PLAG-DET2
MO/ST-DET
A.CAL
DC-CONT
ENCODER_A
PLAG-DET1
ENCODER_B
D-GND
KEY2
E+4V
KEY1
SIRCS
KEY0
D-GND(FL)
5V
FL_CS
FL_DATA
FL_CLK
R547
0
TP512
100
R530
TP519
TP508
TP515
1
C516
R537
1k
100
R533
R608
4.7k
TP503
TP501
100
R518
R609
4.7k
TP520
TP507
R548
0
TP518
TP502
TP505
TP521
TP510
TP504
0.1
C512
TP506
C511
0.1
100
R535
100
R517
TP517
TP509
8
7
6
5
4
3
2
1
S-24CS16A0I-J8T1G
IC510
R648
0
1
2
3
4
5
6
TK11250CMCL-G
IC502
TP513
E3.3V
A5V
D-GND
D3.3V
D3.3V
+6V
D3.3V
M-GND
A12V
M-GND
D-GND
P_CONT3
D3.3V
D3.3V
+6V
5V
5V
D-GND
D-GND
OVF2
OVF1
LAT3
LAT2
LAT1
SHIFT
SCDT
SOFT_MUTE
NS_INIT
IFSCK
IFSDO
IFSDI
IFSCK
IFSDO
CNVSS
RESET
XIFBSY
IFSDI
XSYSRST
XIFCS
HDMI_PCONT
CEC_RX_IN
CEC_TX_OUT
P_CONT1
DIAG
EN
KEY2
KEY2
JACK2
JACK2
MIC_GAIN
FL_CLK
LED_LAT
JACK1
JACK1
KEY1
KEY1
KEY0
KEY0
EN_A
EN_A
I2C_CLK
DC_CONT
FL_CS
MONO/ST_DET
MONO/ST_DET
EN_B
EN_B
TP516
A.CAL
SIRCS
FL_DATA
I2C_DA
TA
P_CONT3
XIFBSY
P_CONT3
DC-DET
A.CAL_OUT
HPMUTE
P_CONT2
IC507
+5V REGULATOR
+3.3V REGULATOR
IC506
+5V REGULATOR
IC505
52
60
55
59
58
57
51
54
56
64
61
IC510
+5V REGULATOR
EEPROM
IC502
MAIN BOARD (6/12)
(NC)
4
2
1
8
6
F
J
15
C
A
D
H
16
10
12
11
B
E
7
13
14
I
3
9
G
5
Q631, 632
DC DETECT