Block Diagram - AOC LC42H163 Service Manual

8. Block Diagram

System Block Diagram
Tuner
VIF
ENV56U04D8F
VIDEO CVBS
YPbPr YPbPr
VGA RGB
SN74LVC1G17 Hsync, Vsync
HDMI_1 TMDS
HDMI_2 TMDS
HDMI_3 TMDS
CVBS & YPbPr AUDIO-R\L
VGA AUDIO-R\L
Upward 32" TV Power Board Input : +5VSB, P12V, P24V
M ax. 2.5A
STB 15m A
+5VSB
Pin Function
1 BL_ON_OFF
2 BL_BRI_ADJ
AO4449
3 12V
4 12V VCC5D
5 GND
6 GND POWER
BOARD
7 GND
8 24V
9 24V
10 PWR_ON_STB
11 5.2V
12 5.2V M ax. 1.5A
13 PWR_OK P12V
P24V
LVDS LCD PANEL
DDRII
W9751G6JB-18
FLASH ROM
MX25L3206EM2I-12G
GPIO
ZR39748BGCG EJTAG
CAT24C64WI-GT3
Audio Amplifier
I2S SPEAKER
STA339BWTR
Audio DAC Earphone Amplifier
R\L
PCM1754DBQR MAX9728AETC+
Audio Driver
R\L Audio Lineout
DRV602PW
IEC958 SPDIF Output
3V3_STB
U701 AZ1117D M ax. 1A
1V1_STB
U703 G9141T11U
VCC3_3
U704 G1084-33T43Uf M ax. 5A
MSD_1V1
U710 G9141T11U
AFE_1V1
U711 G9141T11U
PLL3_3
U705 G1117-33T63Uf M ax. 1A
VCC1_8
U706 SC189ASKTRT M ax. 1.5A
VCC1_1
U707 G5692P11U M ax. 2A
5VT
U709 G9084-50TU3U M ax. 5A
AO4449 PANEL LVDS Power
Audio Amplifier
Main Board Power System
P24V/16V PANEL Inve rte r
U602 STA339BWTR
U708 AS7812ADTR-G1
P12V Q702 AO4449
U709 G9084-50TU3U
+5VSB Q702 AO4449
U701 AZ1117D
Q702 AO4449
VCC5D
U409 G5250M 1T1U
U604 PCM 1754DBQR
U606 M AX9728AETC+
U704 G1084-33T43Uf
EarPhone
Output
U705 G1117-33T63Uf
U706 SC189ASKTRT
U707 G5692P11U
M ax. 0.6A Under 26" TV
Power Board Input :
+5VSB, P16V
Pin Function
1 BL_ON_OFF
M ax. 0.6A
2 BL_BRI_ADJ
M ax. 0.6A 3 NC
4 NC
5 GND
6 GND
7 GND
8 16V
9 16V
10 PWR_ON_STB
11 5.2V
12 5.2V
13 Reserved
43
P24V/16V For Audio Am plifie r
9V 5VT
U709 G9084-50TU3U TU101 ENV56U04D8F
PANEL LVDS Pow e r
5VT
TU101 ENV56U04D8F For TUNER+5V
PANEL LVDS Pow e r
3V3_STB
U401 ZR39748BGCG For ZR39748BGCG uM CU
1V1_STB
U703 G9141T11U U401 ZR39748BGCG
USB5V For USB OCP
For Audio DAC (He adphone )
5V_HP
For Audio He adphone Am plifie r
VCC3_3
U401 ZR39748BGCG For ZR39748BGCG
U406 CAT24C64WI-GT3 For EEPROM
U405 M X25L3206EM 2I-12G For SPI Flas h
U602 STA339BWTR For Audio Am plifie r
U603 DRV 602PW For Audio Line out Drive r
MSD_1V1
U710 G9141T11U U401 ZR39748BGCG
AFE_1V1
U711 G9141T11U U401 ZR39748BGCG
PLL3_3
U401 ZR39748BGCG For ZR39748BGCG
VCC1_8
U401 ZR39748BGCG For ZR39748BGCG
U402 W9751G6JB-18 For DDR II
VCC1_1
U401 ZR39748BGCG For ZR39748BGCG
For TUNER+5V
For ZR39748BGCG uM CU
For ZR39748BGCG
For ZR39748BGCG