Sony DAV-HDZ273 / HCD-HDZ273 Service Manual ▷ View online
HCD-HDZ273
HCD-HDZ273
37
37
6-12. SCHEMATIC DIAGRAM – MAIN Board (5/9) –
• See page 25 for waveform. • See page 51, 54 for IC Block Diagrams. • See page 59 for IC Pin Function Description of IC501.
When IC510 on the Main board is damaged, exchange the
new Main board for the Main board which IC damaged.
new Main board for the Main board which IC damaged.
(Page 43)
(Page 45)
(Page 38)
(Page 35)
(Page 39)
(Page 39)
(Page 40)
(Page 41)
(Page 49)
(Page 40)
(Page 35)
(Page 36)
(Page 35)
(Page 34)
(Page 38)
0<3.3>
0<3.3>
0<3.3>
3.3<0>
3.3<0>
0<3.3>
0<3.3>
3.3<0>
3.3<0>
0
0
0<3.3>
3 . 3
0
0
0
3 . 3
0
3 . 3
3 . 3
3 . 3
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
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
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
3 . 1
3 . 3
3 . 3 3 . 3
3 . 7
3 . 3
4
3 . 3
0
0
6
0
4 . 9
6
5
3 . 3
1 . 3
0.01
C505
R604 100
100
R605
100
R606
R616
100
100
R607
100
R611
100
R612
100
R613
R614
100
R506 1.5k
R504 47k
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 22k
R507 47k
ICT545
ICT543
ICT541
TP502
TP614
TP507
TP607
TP513
TP514
TP514
TP610
TP519
TP609
TP605
TP608
TP611
TP518
TP613
TP510
TP509
TP574
TP606
TP508
TP612
TP516
TP501
TP506
TP512
TP515
TP517
TP573
TP505
A.CAL_OUT
OVF2
OVF1
DIAG
OVF1
DIAG
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
IC501
R5F3640DDFAR
DAMP_SCDT/DIR_DIN
DAMP_SHIFT/DIR_CLK
CEC_RX_IN
SIRCS_IN
DSP_MOSI/ASEL4
DSP_MISO/ASEL5
DSP_SPICLK
BYTE
CNVss
EN_A
EN_B
RESET
Xout
Vss
Xin
Vcc
NMI
DIR_ZERO INT2
DIR_CSFLAG INT1 /A.CAL_OUT_LEVEL
AC_CUT
INT0
FL_CLK/LED_CLK
CEC_TX_OUT
FL_CS/STB
FL_D_OUT/LED_DA
TA
DRIVER_RST_C/S-AIR_SRC_MUTE
MIC_GAIN
CDM_OPEN_SW/XM_SEL
DC_CONT
DMP_RX_IN DMP_TX_OUT
DVD_SID
DVD_SOD
DVD_SCO
DVD_XIFBUSY
XM_TX_OUT/MIC_DET_OUT
XM_RX_IN/KRMOD
DVD XIFCS
MTK RST
P_CONT1
P_CONT2
WRITE EMP P_CONT3
DRIVE_RST(EN)
SD(DIAG)/PVDD_DET
OVERFLOW1
OVERFLOW2
WRITE CE
I2C_DATA
I2C_CLK
DAMP LATCH3
DAMP INIT
DAMP
SOFT MUTE
M_ST
HP_MUTE
S-AIR_ADC_SEL
MIC_CLK
DAMP
LA
TCH2
DC_DET
S-AIR_RST
DIR_HCE
DIR_ERR
DIR_XST
ATE
Vcc
HDMI_PCONT
Vss
DAMP
LA
TCH1
JACK1/JACK2/S-AIR_DET
GPIO2
TUNED
ST_CLK
ST_DO
ST_CE
ST_DI
DSP_INTR
INT4 KEY
INT
INT3 RDS_CLK/LED_LA
T
RDS_DA
TA/XM_RST(PCONT)
S-AIR I2C_SDA
S-AIR I2C_SCL
DSP_SF_CE
2ND_XM_SEL/
TV_SEL/
MIC_DATA
ASEL3/
DSP_SPIDS/
XM_SRC_RST
V_SEL0
V_SEL1
IO_CE/ASEL0
IO_RESET/ASEL1
IO_DI/ASEL2
IO_DO/VSEL2
IO_CLK
DMP_DET
V_SEL1
IO_CE/ASEL0
IO_RESET/ASEL1
IO_DI/ASEL2
IO_DO/VSEL2
IO_CLK
DMP_DET
MONO/ST_DET
A.CAL MIC LEVEL/DSP_MASTER
DESTINATION
MODEL
KEY2
KEY1
Vss
KEY0
Vref
Vcc
DIR_
A.CAL MIC LEVEL/DSP_MASTER
DESTINATION
MODEL
KEY2
KEY1
Vss
KEY0
Vref
Vcc
DIR_
HDOUT
TP617
TP616
TP615
TP618
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
54
3
2
1
PST3635NR
IC503
OUT
VDD
GND
VDD
GND
NC
Cd
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
C526
0.1
C531
0.1
C533
TP527
TP528
TP541
TP529
TP531
TP533
TP533
TP538
TP534
TP537
TP535
FB510
FB506
100
R579
0.1
C532
1000p
C538
TP553
TP551
TP554
TP550
TP542
TP539
TP540
TP543
TP544
TP545
TP547
R581
100
R636
0
IFSCK
IFSDO
IFSDO
CEC_RX_IN
R617
100
R618
100
100
R639
TP619
TP620
TP620
1k
R552
10k
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
SL502
SL503
SL504
1k
R511
1k
R513
TP564
TP563
TP563
ICT537
10k
R631
2SC3052EF-T1-LEF
Q631
47k
R632
TP635
TP636
TP637
MC2836
D505
2SC3052EF-T1-LEF
Q632
E
EB505
(CHASSIS)
R584
1k
P_CONT2
6V
DMP_TXD
DMP_RXD
DMP_RXD
R619
0
16V
100
C539
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
9P
CN504
D-GND
TXD1
RTS1
3.3V
CLK1
RXD1
CNVSS
RESET
D-GND
TXD1
RTS1
3.3V
CLK1
RXD1
CNVSS
RESET
D-GND
R537
1k
TP503
TP504
TP504
0.01
C581
0.01
C592
0.5%
1.5k
R598
10k
R587
0.5%
39k
R588
0.5%
0.5%
0.1
C582
0.5%
22k
R597
10V
100
C583
0.5%
1k
R589
0.5%
10k
R596
0.01
C591
1
2
3
4
5
SI-3010KM-TL
IC506
Vcont
Vi
n
GND
Vout
Sense
10V
100
C593
1
2
3
4
5
SI-3010KM-TL
IC505
Vcont
Vi
n
GND
Vout
Sense
100
R580
R590
1k
R599
1k
TP536
16V
100
C594
16V
100
C584
1
2
3
2
3
3P
CN507
GND
E4V
A+5V
E4V
A+5V
TP522
TP523
TP523
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
3
4
5
6
7
8
9
10
11
12
13
14
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
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
E3.3V
D3.3V
XSYSRST
OCSW1
5V
XIFCS
IFSDI
XIFBSY
XIFBSY
CEC_TX_OUT
M+9V
M-GND
M-GND
D-GND
D3.3V
A-GND
A5V
M_ST
1000p
C574
1
C571
0.1
C572
50V
22
C573
5
4
3
2
1
TK1
1150CSCL-G
IC507
CONT
GND
NP
VOUT
VIN
R546
1k
10k
R510
MA2J1110GLS0
D501
MC2836
D502
DMP_DET
R638
0
R540
10k
1
C516
1
C509
TP581
TP582
TP583
TP584
TP585
TP586
TP587
TP588
TP583
TP584
TP585
TP586
TP587
TP588
R608
4.7k
R609
4.7k
C511
0.1
R648
0
R582
10k
FB508
FB505
FB505
0.1
C512
8
7
6
5
4
3
2
1
S-24CS16A0I-J8T1G
IC510
A0
A1
A2
GND
SDA
SCL
WE
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19P
CN502
R508
0
1
2
3
4
5
6
TK11250CMCL-G
IC502
CONT
GND
Np
Vout
GND
Vi
n
C527
1000
6.3V
Bup3.3V
R592
0
A5V
D-GND
D3.3V
6V
D3.3V
D-GND
D-GND
A12V
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
OVF1
LAT3
LAT2
LAT1
SHIFT
SCDT
SOFT_MUTE
NS_INIT
LAT2
LAT1
SHIFT
SCDT
SOFT_MUTE
NS_INIT
TUNED
ST_DI
ST_CE
ST_DO
ST_CLK
IFSDI
IFSDO
IFSCK
XIFBSY
XIFCS
XSYSRST
EN
DIAG
OVF1
OVF2
LAT3
NS_INIT
HPMUTE
SOFT_MUTE
XIFCS
EN_A
EN_B
TUNED
ST_CLK
ST_DO
ST_DI
ST_CE
CEC_TX_OUT
CEC_RX_IN
CEC_RX_IN
CEC_TX_OUT
DC-DET
DC-DET
IFSCK
IFSDO
IFSDI
IFSDO
IFSDI
EN
IFSCK
IFSDO
CNVSS
RESET
IFSDO
CNVSS
RESET
XIFBSY
IFSDI
XSYSRST
XIFBSY
LA
T1
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
E4V
I2C_DATA
I2C_CLK
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
IC510
EEPROM
IC503
RESET
IC502
+5V REG
SYSTEM CONTROL
IC501
(5/9)
MAIN BOARD
3.3
Q631,632
BUFFER
FL_CLK
FL_DATA
FL_CS
5V
D_GND(FL)
KEY0
SIRCS
KEY1
E4V
KEY2
D-GND
EN_B
PLAG_DET1
EN_A
DC_CONT
A_CAL
MONO_ST_DET
PLAG_DET2
GAIN_CONT
4
6
I
G
L
B
E
2
7
11
9
14
K
H
10
17
12
3
15
1
16
C
5
8
13
J
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
MAIN
( 6 / 9 )
BOARD
26
MAIN
( 6 / 9 )
BOARD
MAIN
( 3 / 9 )
BOARD
38
39
MAIN
( 8 / 9 )
BOARD
29
MAIN
( 9 / 9 )
BOARD
28
MAIN
( 8 / 9 )
BOARD
34
BOARD
MAIN
24
( 3 / 9 )
MAIN
( 4 / 9 )
BOARD
25
MAIN
( 3 / 9 )
BOARD
23
MAIN
( 2 / 9 )
BOARD
10
31
MAIN BOARD (7/9)
MAIN BOARD (7/9)
30
JACK
N
BOARD
CN103
CN407
M
I/O
BOARD
E
CN906
POWER
BOARD
8
IC B/D
IC B/D
IC B/D
HCD-HDZ273
HCD-HDZ273
38
38
1.2
1.2
1.2
1.2
1.6
1.7
1.5
1.2
1.2
1.2
1.2
1.7
1.6
1.7
3.3
5
3
3
3
3
3
3
3.1
6
5
5
C4504
0.01
22
R4502
22
R4501
JL4511
JL4701
JL4702
JL4703
JL4702
JL4703
JL4705
JL4706
JL4707
JL4706
JL4707
JL4709
C4501
10
R4718
0
ASDATA2
ASDATA1
D-GND
C
D3.3V
Y/G
CB/B
CR/R
ABCK
ALRCK
ACLK
22
R4805
EMI
G
FL4501
D-GND
D-GND
CL100
ASDATA0
R4717
0
R4512
47
C4503
10V
100
JL4711
+6V
47
R4516
47
R4515
47
R4510
47
R4514
33
R4511
ASDATA3
ASD0
BCKO
ASD2
ASD1
ASD1
LRCKO
MCKO
ASD3
R4719
0
R4721
0
R4513 47
R4518
0
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TC74LCX541FT(EKJ)
IC4502
JL4713
JL4718
JL4715
JL4716
JL4717
JL4716
JL4717
Y
JL4719
R4716
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
17P
CN4302
47uH
L4501
A5V
0.5%
R227
22k
CL216
0.5%
R221 1k
CL206
CL213
DMP_RXD
R214
0.5%
22k
CL210
CL202
C239
16V
47
CL214
0.5%
R222
39k
CL221
DMP_TXD
CL220
C231
1
CL218
0.5%
R208
22k
CL211
6.3V
C223
100
C227
1000p
R231
3.3k
P_CONT2
CL208
1
2
3
4
5
SI-3010KM-TL
IC201
EN
IN
GND
OUT
FB
DMP_DET
CL217
0.5%
R230 22k
CL203
C230 1
R215
0.5%
22k
CL219
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
CN204
D-GND
VBUS(5V)
NC
VIDEO5V
RXD
TXD
DET
DGND
WM DET
WM A/D
(Lch)AGND
(Rch)AGND
Lch
Rch
WM RX
WM TX
VIDEO
VGND
0.1
C237
C222
0.1
C229
1
0.5%
R223
10k
CL207
R232
4.7k
0.5%
R228
22k
10V
C220
100
C240
0.1
C232
1
C241
0.1
CL215
CL201
10uH
L200
8
7
6
5
4
3
2
1
NJM4565M(TE2)
IC202
AOUT
A-IN
A+IN
V-
B+IN
B-IN
BOUT
V+
C221
0.1
0.5%
R203
22k
0.5%
R229
22k
CL209
CL212
R220
1k
50V
C238
22
IC4502
BUFFER
MAIN BOARD (6/9)
IC202
DMPORT AUDIO AMP
1Vrms=2.2dBm
+5V REG
1Vrms=2.2dBm
IC201
DMPORT
WIDE
Cr/R
VGND
VGND
VGND
Cb/B
VGND
CY/G
VGND
C
VGND
Y
VGND
DMP_VIDEO
+6V
DMP_R
AGND
DMP_L
VGND
CY/G
VGND
C
VGND
Y
VGND
DMP_VIDEO
+6V
DMP_R
AGND
DMP_L
4
6
B
E
2
7
9
3
1
C
5
8
D
F
A
DC 5V
0.7V MAX
MAIN
BOARD
26
(5/9)
BOARD
MAIN
32
(7/9)
BOARD
MAIN
20
(2/9)
BOARD
MAIN
38
(5/9)
BOARD
MAIN
14
(2/9)
J
BOARD
CN402
I/O
IC B/D
6-13. SCHEMATIC DIAGRAM – MAIN Board (6/9) –
• See page 54 for IC Block Diagram.
(Page 34)
(Page 37)
(Page 34)
(Page 39)
(Page 43)
(Page 37)
HCD-HDZ273
HCD-HDZ273
39
39
9
CN418
I/O
G
BOARD
MAIN
BOARD
(2/9)
15
MAIN
BOARD
32
(6/9)
MAIN
BOARD
31
(5/9)
(2/9)
17
BOARD
MAIN
BOARD
MAIN
(2/9)
6
30
MAIN
(5/9)
BOARD
33
MAIN
BOARD
(8/9)
IC B/D
IC B/D
IC B/D
3.3
0
0
0
1.2
0.1
1.7
1.7
3.3
1.5
2.9
2.9
3.3
1.5
2.9
2.9
3.3
0
0.1
3.3
0.1
3.3
3.3
3.3
3.3
3.3
3.3
0
0
0
1.5
1.6
1.6
0
3.3
3.3
1.5
1.5
0
2.5
2.5
3.3
1.2
1.6
2.5
5
3.3
1.5
1.6
3.3
3.3
0.1
0.1
1.7
1.7
ICT518
TP708
TP707
TP706
TP705
TP704
TP703
TP702
TP707
TP706
TP705
TP704
TP703
TP702
TP711
TP710
TP709
TP710
TP709
A5V
A-GND
D-GND
0
R721
R729
100
100
R730
1k
R731
0.1
C722
TP729
1M
R733
12.288 MHz
X701
100
R736
ICT527
ICT526
ICT528
ICT529
100
R738
R740
0
R741
0
0.1
C727
100
R735
100
R734
100
R726
100
R718
100
R717
0.1
C723
0.01
C721
ICT523
ICT524
10V
220
C720
0.01
C716
0.1
C719
0.1
C711
C712
0.01
R713
33k
R716
100
R715
5.6K
R714
4.7k
ICT533
ICT532
10V
220
C709
C317
0.1
IC301
TORX147L(SONY)
R329
470
R328
75
1
2
2
R319
47K
R317
100
R318
100
C315
100 16V
C313
100 16V
C314
0.1
C312
0.1
ICT517
ICT519
R691
0
R692
0
R693
0
R694
0
R695
0
R696
0
D-GND
D3.3V
D3.3V
D-GND
D-GND
GND
OUT
VCC
3
2
1
ASD0
ASD1
ASD2
ASD1
ASD2
BCKO
LRCKO
MCKO
R778
0
47
R780
47
R781
ABCK
ACLK
ALRCK
ADIN
R782
22
R783
22
R784
22
R785
22
ICT588
ICT587
ICT587
ICT581
ICT589
ICT582
ICT555
ICT556
ICT557
ICT558
ICT559
ICT560
ICT561
ICT562
ICT563
ICT564
ICT565
ICT568
ICT569
ICT570
ICT572
ICT572
ICT573
0
R790
R791
0
50V
10
C706
50V
10
C717
50V
10
C705
0.1
C707
0.1
C708
0.1
C718
1
2
3
4
5
5P
CN702
MUSIC L+R
A-GND
R-IN
A-GND
L-IN
C3073
0.1
8
7
6
5
4
3
2
1
TC7WH157FK(TE85R)
IC3003
A
B
Y
GND
Y
A/B
G
VCC
R3079
100
M_ST
0.1
C3072
R3097
100
R3077
100
R3078
100
C710
0.01
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vref
AGND
AV
cc
DVdd
DGND
SCKI
LRCK
BCK
DOUT
MOD0
MOD1
FMT
Vi
nL
Vi
nR
C724
10p
C725
10p
R732
330
MC2837
D701
E
EB702
(CHASSIS)
R743
100
R744
0
R745
0
R746
0
R747
0
R748
0
R765
0
R766
0
R767
0
R768
0
R769
0
R749
0
R750
100
SPMCK
SPBCK
SPLRCK
SPBCK
SPLRCK
SPDATA
MDIR_XSTATE
MDIR_AUDIO
MDIR_ERROR
MDIR_ERROR
XSYSRST
MDIR_CL
MDIR_CE
MDIR_DI
MDIR_DO
MDIR_CSFLAG
ASD3
R697
0
R763
0
R793
0
R788
0
R794
0
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
DISEL(I)
SPDIF(O)
DIN0(I)
DIN1(I)
DIN2(I)
DGND
DVDD
SDIN / R
AGND / VIN
LPF(O)
AVDD
AGND
SPDIF(O)
DIN0(I)
DIN1(I)
DIN2(I)
DGND
DVDD
SDIN / R
AGND / VIN
LPF(O)
AVDD
AGND
CKOUT(O)
BCK(O)
LRCK(O)
D
ATA
(O
)
XST
ATE(O)
DGND
DVDD
XMCK(O)
XOUT(O)
XIN(I)
EMPHA(O) AUDIO-(O)
CSFLAG(O)
F0(O)
F1(O)
F2(O)
VF(O)
DVDD
DGND
VREF
BPSYNC(O)
ERROR(O)
DO(O)
DI(I)
CE(I)
CL(I)
XSEL(I)
MODE0(I)
MODE1(I)
DGND
DVDD
DOSEL0(I)
DOSEL1(I)
CKSEL0(I)
CKSEL1(I)
XMODE(I)
AMP_D2
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
AMP_D1
AMP_LRCKO
AMP_MCKO
AMP_D1
R709
0
R796
0
R764
0
TP700
(CHASSIS)
10uH
L701
10uH
L702
10uH
L302
10uH
L301
10uH
L703
R710
10k
R720
10k
R737 10k
R742 10k
R797
0
FRONT
ASD0
REAR
ASD1
C/SW
ASD2
BCKO
MCKO
ASD3
DMIX L/R
LRCKO
MCKO
ASD2
ASD1
ASD3
LRCKO
BCKO
ASD0
(MTK)
(OPT)
(COAX)
XSEL
24.576MHz
512fs
DATA SELECT
IC3003
IC702
MAIN BOARD (7/9)
5
3
G
A
1
H
7
10
11
D
9
2
F
8
6
E
4
B
C
5
4
321
IC707
IC302
TC7SHU04FU (T5RSOJF)
WAVE SHAPER
IC302
OPTICAL RECEIVER
IC301
OPTICAL
TV/VIDEO DIGITAL IN
COAXIAL
J302
IC707
PCM1808PWR
A/D CONVERTER
L
H
CKSEL1
256fs
12.288MHz
IC702
LC89056W-E
DIR
6-14. SCHEMATIC DIAGRAM – MAIN Board (7/9) –
• See page 25 for waveform. • See page 50, 51, for IC Block Diagrams.
(Page 34)
(Page 43)
(Page 37)
(Page 38)
(Page 40)
(Page 37)
(Page 34)
(Page 34)
HCD-HDZ273
HCD-HDZ273
40
40
MAIN
BOARD
34
(5/9)
MAIN BOARD (9/9)
35
MAIN
BOARD
(7/9)
33
BOARD
29
MAIN
(5/9)
IC B/D
IC B/D
IC B/D
3.3
0
3.3
1.6
1.7
0.6
3.3
1.7
0.6
3.3
1.8
1.7
1.7
1.7
3.3
3.3
3.3
1.5
1.7
3.3
1.7
3.3
1.7
1.6
3.3
1.7
3.3
1.7
27
11.9
3.3
3.1
3.3
1.7
3.1
3.3
1.7
1
3.3
1.6
11.9
11.9
27
32
32
32
32
32
16
16
16
16
16
16
16
16
16
16
16
32
32
32
32
32
16
32
32
16
32
32
27
16
32
1
27
11.9
3.3
3.3
11.9
32
3.3
3.1
3.1
16
16
11.9
1.7
16
1.6
0.6
0
0.7
0
3.3
0
3.1
0
0
7.5
13.7
8.2
0
0.7
0
15.9
15.9
0
15.9
15.9
15.9
15.9
0
15.9
15.9
0.1
C3308
0.1
C3313
0.1
C3413
0.1
C3408
16V
47
C3001
16V
47
C3031
35V
100
C3412
35V
100
C3409
35V
100
C3312
35V
100
C3309
0.1
C3002
16V
100
C3000
C3416
2200
35V
C3316
2200
35V
50V
1
C3551
50V
10
C3552
1
C3315
1
C3314
1
C3414
1
C3415
0.1
C3040
0.1
C3039
0.1
C3038
0.1
C3037
0.1
C3036
0.1
C3035
0.1
C3034
0.1
C3033
0.1
C3032
R3502
100
R3501
100
100
R3302
100
R3301
R3076
100
R3075
100
100
R3073
100
R3072
100
R3071
100
R3070
100
R3069
100
R3068
100
R3067
100
R3066
47
R3057
100
R3037
R3035
100
R3034
22
470
R3032
470
R3031
1k
R3063
100
R3065
1k
R3064
2.2k
R3004
1k
R3003
10k
R3001
10k
R3002
10k
R3033
10k
R3059
10k
R3060
10k
R3553
100k
R3554
100k
R3551
100k
R3326
100k
R3325
100k
R3276
100k
R3275
R3080
100k
0
R3304
0
R3404
0
R3555
47uH
L3000
1
2
2P
CN3000
DC-FAN -
DC-FAN +
2SC3052EF-T1-LEF
Q3002
2SC3052EF-T1-LEF
Q3551
DC BALANCE PROTECT
2SC3052EF-T1-LEF
Q3001
JL3062
JL3060
JL3052
JL3051
JL3020
JL3019
JL3018
JL3017
JL3016
JL3015
JL3014
JL3013
JL3011
JL3010
JL3002
JL3001
TP3004
TP3311
TP3006
TP3003
TP3000
TP3410
TP3005
TP3236
TP3032
TP3001
A.CAL_OUT
NS_INIT
SOFT_MUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
EN
DIAG
OVF1
OVF2
D-GND
AMP_D1
AMP_D2
AMP_D3
AMP_BCKO
AMP_LRCKO
AMP_MCKO
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
8
4
1
2
3
5
6
7
9
10
11
11
12
13
14
15
16
17
CXD9883M
IC3400
BST_A
GVDD_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
8
4
1
2
3
5
6
7
9
10
11
11
12
13
14
15
16
17
CXD9883M
IC3300
BST_A
GVDD_A
/DTW
/SD
/RESET
PWM_A
OC_ADJ
/SD
/RESET
PWM_A
OC_ADJ
GND
GND
GND
VREG
M3
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
M2
M1
PWM_B
VDD
GND
GVDD_B
BST_B
PVDD_B
PVDD_B
PVDD_B
GND
GND
GND
OUT_B
OUT_B
OUT_B
OUT_A
OUT_A
OUT_A
GND
GND
GND
PVDD_A
PVDD_A
PVDD_A
15k
R3407
JL3101
JL3104
15k
R3307
JL3086
JL3085
JL3096
0.033
C3307
0.033
C3306
0.033
C3407
0.033
C3406
0.1
C3400
0.1
C3403
0.1
C3405
0.1
C3303
0.1
C3305
0.1
C3300
D-GND
0
R3044
A12V
0
R3061
0.01
C3071
TP3231
TP3230
TP3229
TP3307
TP3308
TP3309
TP3310
100k
R3327
100k
R3277
R3074
100
C3904
1000p
C3902
1000p
C3903
1000p
C3901
1000p
0.01
C3914
0.01
C3913
C3912
0.01
C391
1
0.01
C3128
2.2
10
C3129
DC-DET
TP3007
2SC3052EF-T1-LEF
Q3553
C3556
0.1
10k
R3558
4.7k
R3556
22k
R3552
C3553
0.1
2SC3052EF-T1-LEF
Q3552
R3901
0
R3902
0
R3905
0
R3906
0
R3914
0
R3913
0
R3907
0
R3917
0
R3911
0
R3912
0
SL3001
R3918
0
R3919
0
+
-
+
-
TB3901
0
R3415
0
R3303
0
R3416
0
R3316
0
R3403
0
R3315
MC2837
D3551
D4301
RSA39L
TE25
D4302
RSA39L
TE25
D4401
RSA39L
TE25
D4402
RSA39L
TE25
E
EB3001
(CHASSIS)
0.1
C3317
0.1
C3417
R3560
0
0.1
C3304
0.1
C3404
123456789
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
CXD9788AR
IC3030
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLA
TCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
INIT
MCKSEL
LRCK
BCK
DATA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
2SC3052EF-T1-LEF
Q3554
2SC3052EF-T1-LEF
Q3555
10k
R3559
47k
R3561
0
R3058
10k
R3562
M-GND
M+14V
100k
R3563
10
C3561
ISA1235AC1TP-1EF
Q3301
ISA1235AC1TP-1EF
Q3252
ISA1235AC1TP-1EF
Q3302
ISA1235AC1TP-1EF
Q3251
MA2J1
110GLS0
D3072
MA2J1
110GLS0
D3073
MA2J1
110GLS0
D3071
L3903
L3901
L3904
L3902
3
2
1
4
10uH
L3301
3
2
1
4
10uH
L3401
MAZ8150G0LS0
D3552
50V
10
C3005
2SD1388TP-34
Q3000
P-GND1
DCDET
32V
P-GND
A12V
SD
RESET
XFSO
NSPMUTE
D3.3V
DVDD
D-GND
OVF
FSOI
AMP_LRCKO
AMP_BCKO
DA
TA2
DA
TA1
AMP_MCKO
INIT
INIT
SOFTMUTE
SC_DT
SCSHIFT
SOLATCH2
OVFFLAGR2
SCSHIFT
SC_DT
SOFTMUTE
OVF
SOLATCH1
SOLATCH3
SOLATCH3
OVFFLAGR2
OVFFLAGR2
PGMUTE
(DATA3)
(OpenDrain)
(OpenDrain)
(OpenDrain)
(OpenDrain)
CENTER
SW R
S.Woofer
SW L
DIGITAL POWER AMP
IC3400
DIGITAL POWER AMP
IC3300
S-MASTER PROCESSOR
IC3030
INIT
,OVF
,OVFFLAGR2,
PGMUTE,SCSHIFT
,SC_DT
,
SMASTER-CONTROL,
SOFTMUTE,SOLA
TCH1,
SOLA
TCH2,SOLA
TCH3
(8/9)
MAIN BOARD
3.3
3.3
0
0
3.3
3.3
3.3
1.8
3.3
FAN3001
FAN
Q3552-3555
B+ DOWN PROTECT
FAN MOTOR DRIVE
Q3000-3002
DC BALANCE DETECT
Q3301,3302
Q3251,3252
Q3451,3452
Q3251,3252
Q3451,3452
SUBWOOFER
CENTER
SPEAKER
12
2
G
1
A
9
10
I
6
B
H
4
5
14
D
3
15
7
E
F
8
11
13
C
6-15. SCHEMATIC DIAGRAM – MAIN Board (8/9) –
• See page 50, 52 for IC Block Diagrams.
(Page 37)
(Page 39)
(Page 41)
(Page 37)
Click on the first or last page to see other DAV-HDZ273 / HCD-HDZ273 service manuals if exist.