AOC LC32W163, Service Manual

Page: 43 / 87

43
8. Block Diagram
GPIO
EJTAG
Earphone Amplifier
MAX9
CAT24C64WI-GT3
SPEAKER I2S
SPDIF Output
EarPhone
Output
Audio Amplifier
STA339BWTR
Audio DAC
PCM1754DBQR
R\L Audio Lineout
Audio Driver
DRV602PW
IEC958
R\L
CVBS VIDEO
YPbPr
YPbPr
For ZR39748BGCG U401 ZR39748BGCG
DDRII
W9751G6JB-18
FLASH ROM
MX25L3206EM2I-12G
Hsync, Vsync SN74LVC1G17
16V
NC
HDMI_1
HDMI_3
Under 26" TV
1
7
3
PWR_ON_STB 10
4
GND
16V
CVBS & YPbPr AUDIO-R\L
TMDS
13
11
2
5
Function
5.2V
VGA AUDIO-R\L
TMDS
5.2V
8
GND
BL_ON_OFF
HDMI_2
NC
Pin
6
BL_BRI_ADJ
TMDS
Reserved
GND
12
9
Power Board Input : +5VSB, P12V, P24V Upward 32" TV
VGA RGB
P12V
U710 G9141T11U
+5VSB
M ax. 2A
M ax. 0.6A
VCC1_1
3V3_STB
M ax. 1A
Audio Amplifier
STB 15m A
U703 G9141T11U
M ax. 1A
PLL3_3
1V1_STB
U704 G1084-33T43Uf
U707 G5692P11U
VCC5D VCC3_3
AO4449 PANEL LVDS Power
VCC1_8
AO4449
M ax. 5A
U706 SC189ASKTRT
M ax. 1.5A
U701 AZ1117D
M ax. 2.5A
MSD_1V1
U705 G1117-33T63Uf
M ax. 1.5A
M ax. 0.6A
Power Board Input :
+5VSB, P16V
POWER
BOARD
U711 G9141T11U M ax. 0.6A
AFE_1V1
M ax. 5A
U709 G9084-50TU3U
5VT
U602 STA339BWTR For Audio Am plifie r
P24V
5.2V
3
6
12
Function
12V
4
5.2V
GND
BL_ON_OFF
GND
8
GND
9
2 BL_BRI_ADJ
24V
13
24V
12V
Pin
5
11
10 PWR_ON_STB
PWR_OK
7
1
U708 AS7812ADTR-G1
5VT
For ZR39748BGCG
+5VSB
VCC1_1
U704 G1084-33T43Uf U401 ZR39748BGCG
For SPI Flash
PANEL Inverter
U706 SC189ASKTRT
U406 CAT24C64WI-GT3
VCC1_8
U709 G9084-50TU3U
TU101 ENV56U04D8F
U402 W9751G6JB-18
Q702 AO4449 P12V
For Audio Am plifier
For EEPROM
9V
For TUNER+5V
For TUNER+5V
U401 ZR39748BGCG
Q702 AO4449
Q702 AO4449
U405 M X25L3206EM 2I-12G
3V3_STB
PANEL LVDS Pow e r
For ZR39748BGCG
U701 AZ1117D
For DDR II
For ZR39748BGCG
TU101 ENV56U04D8F
PANEL LVDS Pow e r
VCC3_3
U602 STA339BWTR
5VT
P24V/16V
VCC5D
U401 ZR39748BGCG
Main Board Power System
U707 G5692P11U
P24V/16V
U709 G9084-50TU3U
For Audio Line out Driver U603 DRV602PW
U710 G9141T11U For ZR39748BGCG
MSD_1V1
AFE_1V1
U711 G9141T11U
U401 ZR39748BGCG
For ZR39748BGCG U401 ZR39748BGCG U705 G1117-33T63Uf
PLL3_3
USB5V
For Audio Headphone Am plifie r 5V_HP
For USB OCP U409 G5250M 1T1U
U606 M AX9
For Audio DAC (Headphone ) U604 PCM 1754DBQR
Tuner
ENV56U04D8F LCD PANEL
System Block Diagram
LVDS
ZR39748BGCG
VIF
U401 ZR39748BGCG
U401 ZR39748BGCG
1V1_STB
U703 G9141T11U For ZR39748BGCG uM CU
For ZR39748BGCG uM CU