Service Manuals, User Guides, Schematic Diagrams or docs for : AOC LCD LE39D7430 16042217224577
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8. Block Diagram
Series TS
Single terminal silicon tuner DTV DEMOD
(LG TDST-H020F) MSB1400
Analog IF+/-
LVDS
ATV
RGB DEMOD
YPbPr
MST6931XP Headphone AMP
L/R
APA2176A
CVBS Headphone
5W SPK
With ARC
AUDIO AMP R
L/R
TI 31100
L
5W SPK
KeyPad
UART
Remote Control
36
1 USB : 2A 3A
DC-DC +1.2V_VDDC
+5V_standby MST6931 Core Power
APW7323
500mA
LDO +1V2
G9141 Demod Power
115mA
1A
LDO 3.3V_STANDBY 3.3V
AZ1117 Demod Power
P12V 500mA 5mA
MOS
1A
LDO +1.8V_DDR
AZ1117 MST6931 DDR Power
150mA
P24V
VDD33
MST6931 Power
170mA
1A
LDO 3.3V_TUNER
AZ1117 Tuner Power
330mA
Headphone Power
+5V_NORMAL USB_5V
USB Power
1130mA 800mA (*1)
MOS 1930mA APL3511CBI 1600mA (*2)
(2
USB)
PANEL_VCC
Panel Power
MOS
1. 18.5 ~ 23.6 audio current = 3W*2 / 75% =
8W
Audio Amp 12V current : 8W/12V = 0.67A
TPA3113D2 2. 29" ~ 32" audio current = 5W*2 / 75% = 13.4W
12V current : 13.4W/12V = 1.12A
3. 29 ~55 audio current = 10W*2 / 80% = 25W
24V current : 25W/24V = 1.04A
37
9. Schematic Diagram
9.1 Main Board
715G5749M01000004K
+5V_Normal
From Power Board +5V_Standby
CN701 BL_EN
System power control TP19
14
TP1
BL_PWM R705 100R PS_ON
TP2 TP3
1 P12V
Q701
2 C772
3 470nF 16V AO3401A
4
12V R720
10K
5 + +3.3V_Standby
6 C736 C737 R780 47K
TP5 100N 50V TP20
7 R737 100uF 35V
8 NC 0R051/8W
9 TP4
10
24V AUD_PVDD R714 R723 TP17 TP18
11 1 2 1K 4.7K
12 TP6 FB603 BEAD PWR_ON Q706
5 PWR_ON
13
PS_ON + MMBT3904
C739
C738 100N 50V High active C773
CONN +5V_Standby 100uF 35V 100N 16V
TP7
15
13P R/A 2.0mm
311GW200A13ADJ 5V R708
NC/10K +3.3V_Standby
+3.3V
2
+
C707 C708
TP349
ZD701 100N 16V 100UF 16V
NC/BZT52-C5V6 SMT
C774 Q708
1
470nF 16V AO3401A
R722
10K
R781
TP22
10OHM1/16W
TP23 TP21
R729
4.7K
PWR_ON
Q709 C
+5V_Standby C775 MMBT3904
FB701 TP8 MST6831 Core Power = 1.26V/650mA NC/100N 16V
1 2
300R 4A B E
C709 R701
22UF C701 C710 2.2R 1% TP10 U701
100N 16V 10UF 10V R711 9 TP11 073G253S 68 H TP12 +1.2V_VDDC
100K 1 E-Pad 8 L701
2 VCC VIN 7
TP9 POK LX +5V_Normal +5V_Normal
3 6 2.2uH
4 GND PGND 5
C716 FB EN C720 C719 +
1uF 10V C718 22UF 22UF C717
Backlight Control
APW7323
1uF 10V NC/330UF 6.3V
C715 R715 R702
22PF 50V 11.5K 1% 1K R728
10K
R1 BL_EN
TP24 TP25
Vout = 0.8*(1+R1/R2)
R717 20K TP26
C702 R703
TP13 10K Q702 R704 1K
NC/10N 50V High active
MMBT3904
Q707 VBL_CTRL 5
MMBT3904 R727 4.7K
Standby Power DDR Power
+3.3V
U703 TP15 +1.8V_DDR +5V_Normal +3.3V_Standby
U702 +3.3V_Standby AZ1117H-ADJ-E1
+5V_Standby TP14 3 2
AZ1117D VI VO
3 2 R719 R706 R707
VI VO 220R 1% C723 + NC/10K 1K
R1 C722
GND
4
22UF TP27
NC/100UF 16V
+ C714 C724
1
4
GND
C713 100N 16V 10UF 10V SMT BL_PWM
TP16 TP28
C712 100UF 16V
1
R709 1K Low active
1uF 10V R710 4.7K
R721 C706 Q703
BRI_ADJ-PWM0 5
100R 1% NC/4.7UF 10V MMBT3904
Vout = 1.25x(R1+R2)/R2
1.845V R2
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL Size Custom
TPV MODEL Rev A
Key Component PCB NAME
04. Power < >
Date Thursday , October 11, 2012 Sheet 4 of 13
38
Power
PWR_ON
control PWR_ON 4
Backlight Sy stem-RST
SERIAL FLASH
VBL-CTRL TP105
control VBL_CTRL 4 HDMI-CEC IRIN
BRI_ADJ-PWM0 TP106 TP104
BRI_ADJ-PWM0 4
HOTPLUGD LED-Red +3.3V_Standby
LVDS TP107 HDMID-CLKN TP103 +3.3V_Standby
RXO0- HDMID-CLKP KEY 1-SAR1
signal RXO0- 6 +3.3V_Standby
RXO0+ HDMID-RX0N PANEL_ON TP102
RXO1- RXO0+ 6 TP101
RXO1- 6 HDMID-RX0P
RXO1+ HDMID-SDA
RXO1+ 6 AVDD_DDR R431 R436
RXO2- HDMID-RX1N UART-TX TP98
RXO2- 6 4.7K 4.7K C434 R494 R495
RXO2+ HDMID-RX1P UART-RX TP100 CHIP_CONFIG
RXOC- RXO2+ 6 TP99 100N 16V 4.7K 4.7K
RXOC- 6 HDMID-SCL VBL-CTRL R419 4.7K U402
RXOC+
GND-EFUSE
RXOC+ 6 HDMID-RX2N BRI_ADJ-PWM0 SPI_CS0N 1 8
RXO3- HDMID-RX2P PWR_ON CS# VCC
RXO3- 6 R420 4.7K SPI-SDO 2 7
RXO3+ HOTPLUGA TP96 SO/SIO1 HOLD#
RXO3+ 6 TP118 3 6 SPI-SCK
RXE0- TP351 WP# SCLK SPI-SDI
RXE0- 6 TP97 4 5
RXE0+ GND SI/SIO0
RXE1- RXE0+ 6
RXE1+ RXE1- 6 W25Q64FVSSIG
RXE1+ 6
129
128
127
126
125
124
123
122
121
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
RXE2- U401
RXE2- 6 C436
RXE2+ Status Register Protect Bits (SRP1, SRP0) 22PF 50V
RXEC- RXE2+ 6
RXEC- 6 SRP1 SRP0 WP Status close to IC
CEC
IRIN
GND
GND
RXEC+
SAR2
SAR1
SAR0
E-Pad
RXEC+ 6
PWM1
PWM0
RESET
RXE3-
GPIO11
0 0 X SW protection
RX2P_D
RX1P_D
RX0P_D
RX2N_D
RX1N_D
RX0N_D
RXE3+ RXE3- 6
RXCKP_D
HDMIA-CLKN1
RXCKN_D
DDCA_DA
DDCA_CK
RXE3+ 6 RXCKN_A SPI-SCK trace must 0 1 0 HW protection
HOTPLUGA
HOTPLUGD
DDCDD_CK
DDCDD_DA
HDMIA-CLKP2
VDDIO_DATA
RXE4- HDMIA-RX0N3 RXCKP_A 102 USB1_DP 0 1 1 HW Unprotection
RXE4+ RXE4- 6 HDMIA-RX0P4 RX0N_A DP_P1 101 USB1_DM TP95 GND shielding 1 0 X Power Supply Lock-Down
RXO4- RXE4+ 6 RX0P_A DM_P1 TP94
VDD33 5 100 AVDD_MOD
RXO4+ RXO4- 6 HDMIA-RX1N 6 AVDD_MOD AVDD_MOD 99 USB0_DP R435 must close U401 1 1 X One Time Program
RXO4+ 6 HDMIA-RX1P RX1N_A DP_P0 USB0_DM TP93
7 98
TP40 TP39 RX1P_A DM_P0 SPI_CS0N TP92
PANEL_ON HDMIA_DDC_SDA 8 97
6 PANEL_ON HDMIA-RX2N DDCDA_DA SCZ SPI-SDO TP91 TP87
LED-Red 9 96 +3.3V_Standby
9 LED-Red HDMIA-RX2P RX2N_A SDO SPI-SDI TP90
LED-Blue C405 10 95
9 LED-Blue HDMIA_DDC_SCL RX2P_A SDI TP89 SPI-SCK
1uF 10V 11 94 R435 51R 1/16W 5%
HDMI-ARC ARC DDCDA_CK SCK LED-Blue TP88
12 93
ARC PWM2 TS_DI TP86
VDDC R407 51R 1/16W 5% 13 92 R424
VGA_HS AVDD_12 TS1_D[0] TS_CLK TP85
I/O 14 91 4.7K
TP46 TP45 TP41 VGA_BIN 15 HSY NC0 TS1_CLK TS_SYNC TP84
90
Interface VGA_HS TP42 SOG0 BIN0P TS1_SY NC TS_VALID TP83
7 VGA_HS 16 89
VGA_VS TP43 VGA_GIN 17 SOGIN0 TS1_VLD TP82 AUDIO_EN
7 VGA_VS 88 AUDIO_EN 12
VGA_BIN TP44 GIN0P INT/GPIO65
7 VGA_BIN 18 87 VDDC
VGA_GIN R410 C407 VGA_RIN 19 GIN0M VDDC 86 RXO0-
7 VGA_GIN SOG0 TP47 RIN0P LVB0M TS_CLK, TS_SYNC, TS_VALID
68OHM 1/16W 47nF 16V VGA_VS 20 85 RXO0+
7 SOG0 VGA_RIN TP48 VSY NC0 LVB0P
21 84 RXO1- must GND shieldinh
7 VGA_RIN VDD33 AVDD_ADC33 LVB1M
Pb+ 22 MST6931XP-Z1-VB 83 RXO1+
Y+ TP53 TP52 TP49 SOY BIN1P LVB1P
7 Y+ 23 82 AVDD_MOD
SOY TP50 Y+ SOGIN1 AVDD_MOD RXO2-
7 SOY 24 81
Pb+ TP51 GIN1P LVB2M RXO2+
7 Pb+ 25 80
Pr+ R412 C408 Pr+ 26 GIN1M LVB2P 79 RXOC-
7 Pr+ TP54 RIN1P LVBCKM
68OHM 1/16W 47nF 16VTP57 27 78 RXOC+
AV1-CVBS0P TP55 VSY NC1 LVBCKP RXO3-
7 AV1-CVBS0P 28 77
TP56 HSY NC1 LVB3M RXO3+
29 76
CVBS_OUT0 AV1-CVBS0P 30 CVBS1 LVB3P 75 RXO4-
7 CVBS_OUT0 C449 47nF 16V TP58
31 CVBS0 LVB4M 74 RXO4+
COMP_AUR4 CVBS_OUT0 32 VCOM LVB4P 73 RXE0-
7 COMP_AUR4 R415 C410 TP61
COMP_AUL4 33 CVBSOUT1 LVA0M 72 RXE0+
7 COMP_AUL4 68OHM 1/16W 47nF 16V AU33
TP60 TP59 AUVRM 34 AVDD_AU33 LVA0P 71 RXE1-
USB0_DP TP62 AUVAG AUREFM LVA1M RXE1+
7 USB0_DP 35 70
USB0_DM TP63 AUVAG LVA1P RXE2-
7 USB0_DM 36 69
37 LINEIN_L1 LVA2M 68 RXE2+
USB1_DP C412 38 LINEIN_R1 LVA2P 67
C413 AVDD_MOD
7 USB1_DP USB1_DM 100N 16V 10UF 10V LINEIN_L3 AVDD_MOD 66 RXEC-
7 USB1_DM LVACKM 65 RXEC+ +5V_Standby
VGA-AUR1 LVACKP +5V_Standby
2
9 VGA-AUR1 VGA-AUL1
9 VGA-AUL1 ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo