Vizio P50HDM - 50" Plasma Panel Service Manual page 64

PDP DISPLAY NOTHING
1. Main board block diagram
W8
CN17
U37 24LC02
EEPROM HDMI1
W13
U40 24LC02
EEPROM HDMI2
CN16
VGA input
W6
Component 1
Y Pr Pb
W7
Y Pr Pb
Component 2
W11
AudioAV1_R/L
CVBS1
W14 CVBS2
AudioAV2_R/L
Y1/C1
Y2/C2
W10
W5
W13
W12
CONFIDENTIAL – DO NOT COPY
J9
2 ARXD
1
3 ATXD_HUD
J10
U26 MAX232A 2 ATXD
1
3 ARXD_HUD
ATXD_HUD
ARXD_HUD
U40 24LC128
EEPROM(8051)
UC_SCL/UC_SDA U38
U20 4052
SM5964-C40J
4/1 x2 I/O
U42 Sil 9011 ADATA[0:23]
HDMI RS
U35 Sil 9011 BDATA[0:23]
HDMI RS
ANLOG DDC
VGA_SCL / VGA_SDA U21 24LC02
EEPROM VGA
VS / HS U45 74HCT14
Inverting Schmitt Trgger
R G B
U22 M61323FP
VEDIO SW
U23 M61323FP
VEDIO SW
ATSC Y
Pr Pb
U24 M61323FP
VEDIO SW
U37 CS3443
HDMI2 LR ADC
U36 CS3443
HDMI1 LR ADC
U46 IDTQS3253
HDMI1 AUDIO SW
U42 IDTQS3253
HDMI1 AUDIO SW
HY5DU56822CT-D4
U17 DDR RAM CTZ
51_RXD/51_TXD
ARXD
ATXD
SV4_CTZ
SV2_CTZ
SV3_CTZ
A1_CTZ
B1_CTZ
C1_CTZ
VGA_SCL / VGA_SDA
ATXD_HUD
ARXD_HUD
SV4_HUD
SV2_HUD
SV3_HUD
A1_HUD
B1_HUD
C1_HUD
HDMI1_AUDIO_L/R
HDMI2_AUDIO_L/R U28 MAX4550 CH4_R/L
AudioAV1_R/L CH3_R/L
AUDIO SW
AudioAV1_R/L
4/2 I/O
U32 P4450G
AUDIO
PROCESS
COMP1_Audio_R/L
COMP2_Audio_R/L U27 MAX4550 CH2_R/L
VGA_AUDIO_L/R CH1_R/L
AUDIO SW
4/2 I/O
HY5DU56822CT-D4
U16 DDR RAM HUD
KEY PAD
CN5
F75373S
SCL-33V / SDA-33V U25
風扇控制
FL8532_CTZ W1
NC7SB3157
U18 BUS SW
XU1 A29LV320D
MEMERY_CTZ
U11 24LC32
FL8125_HUD
EEPROM HUD
U11 SST25VF040
FLASH 512K HUD
Lineout_R/L U33 PT2308 TDA8946AJ
AUDIO DRIVER
AUDIO_AMP
HLIN/HRIN U34 PT2308
AUDIO DRIVER
File No. SG-0174
Display
Page10-4