Service manual

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