HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
43
43
6-12. SCHEMATIC DIAGRAM – MAIN Board (5/9) –
• See page 31 for waveform. • See page 59, 63 for IC Block Diagrams. • See page 68 for IC Pin Function Description of IC501.
When IC501 and IC510 on the Main board are damaged, exchange
the new Main board for the Main board which IC damaged.
0<3.3>
0<3.3>
0<3.3>
3.3<0>
3.3<0>
0
0
0<3.3>
3.3
0
0
3.3
0
3.3
3.3
3.3
3.3
3.3
0
0
0
0
3.4
3.3
3.3
0
3.3
3.3
3.3
1.9
1.7
3.3
3.3
2.7
3.3
3.1
0
2.9
0.2
3.3
0.1
0
0
3.3
3.3<0.3>
0
3.3
2.5
0
2<1>
3.3
3.3
3.3
3.3
3.1
3.3
3.1
3.1
3.1
3.1
3.2
3.2
3.3
3.3
3.3
3.3
3.3
1.8<0.1>
1.5<0>
1.9<2.3>
0<3.3>
0
2.7
0
0.1<3.3>
2.9
3.3
3.1
3.3
0
3.3
3.2
0
0.6
5
5
6
3.1
3.3
3.3
4
5
5
6
3.1
3.3
3.3
3.3
3.7
3.3
4
3.3
0
0
0
0
4.9
DZ270/DZ278
DZ260
DZ260/DZ270
DZ260
DZ260/
HDZ278
(US,CND)
1
3
2
(DZ260/HDZ278)
1
2
3
4
5
6
(DZ260/HDZ278)
(AEP)
(UK,E3,E12,E15,AUS)
(AR)
(MX)
(E12)
4
(UK)
(AUS)
(US,CND,AR,MX)
(E3,E15)
5
(DZ270/HDZ278)
6
(DZ260)
(DZ270)
(HDZ278)
3.3
3.1
3.3
1.3
5
6
0.01
C505
R604 100
100
R605
100
R606
R616
100
100
R607
100
R611
100
R612
100
R613
R614
100
R506
R504
R532
1k
R534
10k
R531
10k
R559
10k
10k
R527
R528
10k
R569
0
R568
0
R567
0
R566
0
R565
0
R564
0
C504 0.01
R505
R507
ICT545
ICT543
ICT547
ICT541
TP614
TP607
TP610
TP609
TP605
TP608
TP611
TP613
TP574
TP606
TP603
TP612
TP604
TP573
A.CAL_OUT
OVF2
OVF1
DIAG
DIR_CSFLAG INT1 /A.CAL_OUT_LEVEL
TP617
TP616
TP615
TP618
R601
100
R602
100
R603 100
R615
100
10k
R519
1k
R529
0.1
C515
0
R536
5MHz
X501
0.1
C517
10k
R539
47k
R556
ICT544
47k
R557
2SC3052EF-T1-LEF
Q503
RESET
ICT546
100k
R561
47k
R562
0.22
C520
10k
R563
0.01
C521
PST3635NR
IC503
0.1
C523
0.22
C522
10k
R558
R593
10k
R595
10k
0.1
C518
ICT538
1k
R515
1k
R516
100
R509
10k
R512
0.1
C501
0.1
C502
0.1
C508
0.1
C503
0.1
C507
10k
R514
100
R517
100
R518
100
R533
100
R535
100
R530
1k
R526
0.1
C510
10V
100
C524
50V
C530
22
0.01
C529
0.5%
R573
10k
0.5%
R572
1.5k
10V
100
C526
0.1
C531
0.1
C533
TP527
TP528
TP541
TP529
TP531
TP533
TP538
TP534
TP537
TP535
FB510
FB506
100
R579
0.1
C532
1000p
C538
TP553
TP551
TP554
TP550
TP542
TP539
TP540
TP543
TP544
TP548
TP545
TP549
TP547
R581
100
R636
0
KRMOD
IFSCK
IFSDO
CEC_RX_IN
R617
100
R618
100
R639
TP619
TP620
1k
R552
R553
R547
0
R548
0
1
2
3
4
4P
CN512
D-GND
E3.3V
I2C_CLK
I2C_DATA
ICT549
6.3V
1000
C528
R555
10k
10k
R542
DC-DET
10k
R586
1M
R501
ICT591
ICT592
10k
R544
R620
100
R583
47k
SL501
SL502
SL503
SL504
1k
R511
1k
R513
TP564
TP563
ICT537
10k
R631
2SC3052EF-T1-LEF
Q631
47k
R632
TP635
TP636
TP637
MC2836
D505
2SC3052EF-T1-LEF
Q632
E
EB505
R584
1k
P_CONT2
6V
DMP_TXD
DMP_RXD
R619
0
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
R537
1k
0.01
C581
0.01
C592
0.5%
1.5k
R598
10k
R587
0.5%
39k
R588
0.5%
0.1
C582
0.5%
22k
R597
10V
100
C583
0.5%
1k
R589
0.5%
10k
R596
0.01
C591
10V
100
C593
100
R580
R590
1k
R599
1k
TP536
16V
100
C594
16V
100
C584
1
2
3
3P
CN507
GND
E4V
A+5V
TP522
TP523
R585
0
47k
R628
22k
R627
10k
R626
4.7k
R577
4.7k
R576
4.7k
R578
100
R650
100
R551
1
2
3
4
4P
CN513
D-GND
E3.3V
I2C_CLK
I2C_DATA
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
D-GND
MIC
E3.3V
D3.3V
XSYSRST
OCSW1
5V
XIFCS
IFSDI
XIFBSY
CEC_TX_OUT
M+9V
M-GND
D-GND
D3.3V
A-GND
A5V
M_ST
0.1
C525
0.5%
R549
39k
USB5V
1000p
C574
1
C571
0.1
C572
50V
22
C573
TK1
1150CSCL-G
IC507
R546
1k
10k
R510
MA2J1110GLS0
D501
MC2836
D502
VBUS_SW
R541
1k
DMP_DET
R638
0
R540
10k
1
C516
1
C509
TP581
TP582
TP583
TP584
TP585
TP586
TP587
TP588
R608
4.7k
R609
4.7k
C511
0.1
R648
0
R582
10k
FB508
FB505
0.1
C512
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19P
CN602
S-24CS16A0I-J8T1G
IC510
CN502
R508
0
TK11250CMCL-G
IC502
C527
1000
6.3V
Bup3.3V
R592
0
P_CONT3
A5V
D-GND
D3.3V
6V
D3.3V
D-GND
D-GND
A12V
M+9V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN603
SIRCS
FL_DA
TA
MIC_GAIN
DC_CONT
A.CAL_OUT
HPMUTE
OVF2
OVF1
LAT3
LAT2
LAT1
SHIFT
SCDT
SOFT_MUTE
NS_INIT
RDS_CLK
TUNED
ST_DI
ST_CE
ST_DO
ST_CLK
RDS_DATA
IFSDI
IFSDO
IFSCK
XIFBSY
XIFCS
XSYSRST
EN
DIAG
OVF1
OVF2
LAT3
NS_INIT
RDS_DA
TA
HPMUTE
SOFT_MUTE
MIC
XIFCS
EN_A
EN_B
TUNED
ST_CLK
ST_DO
ST_DI
ST_CE
KRMOD
MIC
CEC_TX_OUT
CEC_RX_IN
CEC_RX_IN
CEC_TX_OUT
DC-DET
DC-DET
IFSCK
IFSDO
IFSDI
EN
IFSCK
IFSDO
CNVSS
RESET
XIFBSY
IFSDI
XSYSRST
XIFBSY
LA
T1
RDS_CLK
M_ST
I2C_CLK
FL_CS
LA
T2
I2C_DATA
MIC_GAIN
JACK2
MONO/ST_DET
A.CAL
DC_CONT
EN_A
JACK1
FL_CLK
FL_DATA
FL_CS
KEY0
SIRCS
KEY1
KEY2
EN_B
P_CONT3
DIAG
FL_CLK
XM_RX_IN
E4V
I2C_DATA
I2C_CLK
KEY1
MONO/ST_DET
KEY0
JACK1
JACK2
RESET
SHIFT
SCDT
OCSW1SIG
CNVSS
A.CAL_OUT
OCSW1SIG
M_ST
D3.3V
A.CAL
KEY2
E3.3V
E3.3V
TO WRITE JIG
TO
+3.3V REG
IC506
+5V REG
IC505
IC507
+5V REG
IC504
+5V REG
IC510
EEPROM
IC503
RESET
IC502
+5V REG
(5/9)
MAIN BOARD
Q631,632
BUFFER
RDS/MIC DATA
RDS/MIC CLK
TUNED
ST_CLK
ST_DO
ST_CE
ST_DI
A12V
V_SEL0
V_SEL1
TV_SEL
A_SEL0
A_SEL1
A_SEL2
A_SEL3
A_SEL4
A_SEL5
V_SEL2
NC
4
6
G
L
B
E
2
7
11
9
14
K
H
10
17
12
3
15
1
16
C
18
5
8
13
D
F
A
A_SEL4
A_SEL3
V_SEL0
TUNED
ST_DI
ST_CE
A12V
TV_SEL
ST_DO
A_SEL5
A_SEL2
V_SEL2
A_SEL0
ST_CLK
A_SEL1
V_SEL1
V_SEL3
S-AIR CON
TO
FOR
SOFTWARE JIG
FOR
SOFTWARE JIG
R639
R505
100
22k
R553
10k
4.7k
47k
10k
6.8k
10k
6.8k
47k
15k
1.5k
R504
R507
47k
R506
1k
3.3k
1.5k
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
2
0
5
1
5
1
3
6
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299