JVC TH-G31A, Service Manual

Page: 41 / 105

2-3
MPEG CIRCUIT DIAGRAM
SER
VO
HDMI TX
MICOM MICOM DSP
I/O
IOA IN_SW OUTSW M_STBY F E A B C D FOD TRD SLD SPIND HPLUG TX2-_MPEG TX1-_MPEG TX2+_MPEG TX1+_MPEG TX0-_MPEG TX0+_MPEG TXC-_MPEG MCLK IPOD_CLK SPI_DI SPI_DO SPI_CE SPI_CLK DVD_RST BCK USB_N MIC_SIG V_MUTE PB_R
R555
PB_B Y_G CVBS SPDA
TA
SPLRCK SPBCK SPMCLK USB_P LRCK ADA
TA
2
ADA
TA
1
ADA
TA
0
IPOD_CE IPOD_DO IPOD_DI SPDIF_OUT TXC+_MPEG MP_HDMI_SCL MP_HDMI_SDA RF SPN- SPN+ DVDLD CDLD MDI SVREF VREF OPEN CLOSE PU_DET
75
R554 75
R553 75
R552 75
AGND
R528
C554
10/16
0
R521
C553
10/16
0
AMC2012H
F501
14 23
DGND
C551 0.1uF
DVD_RESET
100
R523
STZ5.6N
ZD500
33
IOA
VCC33
M_STBY F E A B C D FOD TRD SLD SPIND TX2-_MPEG TX2+_MPEG TX1-_MPEG TX1+_MPEG TX0-_MPEG TX0+_MPEG TXC-_MPEG MCLK IPOD_CLK RESET_IN
ADA
T
A
0
ADA
T
A
1
ADA
T
A
2
BCK USBN MIC_R V_MUTE PB_R PB_B Y_G CVBS SPDA
T
A
SPLRCK SPBCK SPMCLK MIC_L USBP LRCK
SPI_CLK SPI_CE SPI_DO SPI_DI IPOD_CE IPOD_DO IPOD_DI SPDIF_OUT TXC+_MPEG HPLUG MP_HDMI_SCL MP_HDMI_SDA RF SPN- SPN+ DVDLD CDLD MDI SVREF VREF OPEN CLOSE PU_DET OUTSW IN_SW
10/16
C563
C529
0.1uF
DGND
ZD501
STZ5.6N
SF_DI
SF_CLK
C541
8P
8P C535
DGND
DGND
DGND
DGND
1K:High speed 4.7K:Low speed
SCL
SDA
R513 4.7K
R524 4.7K
R518
C566 0.1uF
DD15 DD13 DD12 DD1
1
DD10
DD9 DD8
DQM1
DA1
1
DA9 DA8 DA7 DA6 DA5 DA4
SDCLK
DD14
C571
XX
HY57V641620HG
28
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
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
VSS28 A4 A5 A6 A7 A8 A9 A1
1
NC36 NC40 VSS41 DQ8 DQ9 DQ10 DQ1
1
DQ12 DQ13 DQ14 DQ15
VDDQ43 VDDQ49 VSSQ46 VSSQ52
VSS54
CKE CLK UDQM
VSS27 A3 A2 A1 A0 A10/AP BA1 BA0 /CS /RAS /CAS /WE LDQM VDD14 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 VSSQ12 VSSQ6 VDDQ9 VDD1 VDDQ3
0.1uF 0.1uF 0.1uF C531 R506 10K
C533 C525
C565 10/16
IC503
HH-221
L507
VCC33
DGND
4 3 2 1
GND SDA SCL GND
5 6 7 8
4 3 2 1
VCC WC SCL SDA
E0 E1 E2 GND
5
4 3 2 1
6 7 8
33 33
R505 R522
T504 T506
T508
T505
C564 10/16
C542
C528
0.1uF
VCC33
NC
SI
VSS WP# CE# SO
SCK HOLD# VDD
MX25L3205D
T514 T512 T51
1
T513
10K
R530
IC502
R51
1
NC/10K
HH-221
L506
KARAOKE MODEL
: 4M
NON KARAOKE : 2M
10K
10K
1K
R526
R508
SF_CS SF_DO
R509
C526
C548
C539
8P
8P
30P
T509 T507 T515 T510
IC504
KS24C021CS
CN502
C527 0.1uF C522 0.1uF C534 0.1uF C550 0.1uF
DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD7 DQM0 DWE# CAS# RAS# BA0 BA1 DA10 DA0 DA1 DA2 DA3
10K
R510
C524
0.1uF
DGND
ICDGND
PGND
DGND
R556
0
R557 0
R558
0
DGND
5pF C572
R520 R514 R516 R515 R540
33
R519
33
R517
33
R503
33
R512
33
R507
33
R504
33
SDA DD0 DD1 DD2 DD3 DD4 DD5 DD6 DD9 DD8 DD7
DD15 DD14 DD13 DD12 DD1
1
DD10
DA1
1
DQM0 DQM1
SDCLK
SCL
SPI_DI
SPI_DO
SPI_CE
SPI_CLK
33 33 0 33
SPDA
T
A
SPLBCK
SPBCK
SPMCLK
OUTSW
IPOD_CE
R525
33
XX
C570
DOWNLOAD_TXD DOWNLOAD_RXD
EMUL
VCC33
T502 T500 T501 T503 DGND
3.3V RXD TXD GND
4 3 2 1
CN501
VCC33
HH-221
L501
C555 47/16
+
0.1uF
C536
DGND
DGND
C549 0.1uF
C509
0.1uF
C508
0.1uF
C507
0.1uF
DGND
RESET_IN
SF_DI
SF_DO
SF_CS
IPOD_DI
PU_DET
TN_SW
M_STBY
SLD
SPIND
DVDLD
CDLD
MDI
CLOSE
SVREF
VREF
FOD
TRD
OPEN
IPOD_DO
IPOD_CLK
IOA
USBP
USBN
SF_CLK
MP_HDMI
_SCL
MP_HDMI
_SDA
DOWNLOAD_RXD
DOWNLOAD_TXD
R531
R532
33
33
R543 33
R541 33
R542 33
45
44
PRST_
DV
_
C2
DV
_
C3
DV
_
C4
DV
_
C5
DV
_
C6
DV
_
C7
DVDD33 DVDD33 DVDD18
RD0 RD1 RD2 RD3 RD4 RD5 RD9 RD8 RD6 RD7
RD15 RD14 RD13 RD12 RD1
1
RD10
DQM0 DQM1
SD
_
MS
_
D0
SD
_
MS
_
D1
SD
_
MS
_
D2
SD
_
MS
_
D3
GPIO13
GPIO9 GPIO8
GPIO7/CKE
_
SD
_
MS
_
CMD
SD
_
MS
_
CLK
GPIO6
GPIO11
UP1_7/SDA
UP1_6/SCL
SF_DI
SF_DO
SF_CS
_
DV_Y7
DV_Y6
DV_Y5
DV_Y4
DV_Y3
DV_Y2
DV_Y1
DV_Y0
PAD
_VR
T
YCLK
SF_CK
DVDD33
VDD18_USB
VSS33_USB
VDD33_USB
USB_DM
USB_DP
FG/GPIO2
FOO
TRO
TRAY_CLOSE
TRAY_OPEN
FMO
DMO
AVDD33_2
AVDD18_2
LDO2
LDO1
MDI1
REXT/GPO5
V14
V20
AGND33
XTALO
XTALI
AVDD33_1
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
9
8
7
6
5
4
3
2
1
43
42
41
40
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172
RFB RFC RFD RFE RFF
173 174 175 176
IR GPIO3 / INT
_
GPIO4 DV
_
C1
DV
_
C0
RCLK RA1
1
RA9
RA8
RA7
RA6
RA5
RA4
RA10
RA0
RA1
RA2
RA3
BA0
BA1
GND33
GND18
RWE
_
CAS_
RAS_
DVDD33
DVDD33
DVDD18
SPDIF/GPIO12
GPIO10/HPLG
AGND33_VPLL
AGND33_TX
AGND18_TX2
TXCN
TX0N
TX1N
TX1P
TX2N
TX2P
TXCP
TX0P
AVDD33
_VPLL
AV DD18_TX1
AV DD18_TX0
AVDD18
_TXD
NC
NC
NC
NC
DACVDDB
CVBS
DACVSSC
FS
VREF/GPO14
DACVDDC
NC
AGND18_TX1
EXT_RES
C559
47/6.3
+
+
HH-221
L502
VCC18
2SK3018 Q503
3
2
1
C573 47/16
VCC50
0.1uF C510
0.1uF C511
0.1uF C512
0.1uF C513
0.1uF C514
0.1uF C515
DA9
DA8
DA7
DA6
DA5
DA4
DA10
DA0
DA1
DA2
DA3
SPDIF_OUT
TX2+_MPEG
TX2-_MPEG
TX1+_MPEG
TX1-_MPEG
TX0+_MPEG
TX0-_MPEG
TXC+_MPEG
TXC-_MPEG
HPLUG
DWE#
CAS#
RAS#
BA0
BA1
DGND
0.1uF
C506
0.1uF C505
0.1uF
C504
C530 NC
AGND R500 5.1K(1%)
R501 15K
0.1uF C503
0.1uF C502
0.1uF
C501
IC501
MTK1389MH
R527 2.7K(1%)
VCC18
VCC33
L503
HH-221
L504
HH-221
+
+
47/6.3
C556
0.1uF
C545
0.1uF C540
C558
AGND
DGND
AGNDC AGNDC B R AADVSS AKIN2/GPIO19 ADVCM/GPI0 AKIN1/GPIO21 AA
VDD
APLL
VDD
APLLCAP APLL
VSS
ADACVSS2 ADACVSS1 LFE/GPIO ARS/GPIO AR/GPIO0 AV
C
M
AL/GPIO1 ALS/GPIO CENTER/GPIO ADACVDD1 ADACVDD2 A
VDD18_1
AGND18 RFIP RFIN/OPOUT RFG/OPINP RFH/OPINN RF
A
DACVDDA G
560
R529
100K
R502
C523
C521 22pF
22pF
X500
27MHz
DGND
AGND
0.1uF C544
47/6.3 C557
C547
C567
C500
C546
120pF
120pF
1U 0.1uF
C516
0.1uF
C538
1500pF
C517
0.1uF
C518
0.1uF
C519
0.1uF
C520
0.1uF
0.1uF
0.1uF
RFGND
C543
33 33 33 33 33 33
XX
XX
C568 C569
C537
47uF/16V(MODI)
V_MUTE CVBS Y_G PB_B PB_B PA
_
A
MIC_L MIC
_
R
RF D A F E B C SPN- SPN+ A
D
ATA
0
LRCK A
D
ATA
1
A
D
ATA
2
BCK MCLK
C532
0.1uF
C552
47/6.3 C560
+
47/6.3 C561
+
R545 R546 R547 R549 R550 R551
XX(120pF)
VCC18
L505
HH-221
+
+ +
+