Service manual

CONFIDENTIAL – DO NOT COPY
Page 6-2
File No. SG-0173
Main board System Block Diagram
NC7SB3157
U18 BUS SW
SV4_CTZ
A3/B3/C3_CTZ
U42 IDTQS3253
HDMI1 AUDIO SW
IPCLK1/BHS/BVS/BDE
U27 MAX4550
AUDIO SW
4/2 I/O
51_RXD/51_TXD
HDMI1_AUDIO_L/R
W12
Frame Store
DDR Interface
SV4_HUD
A3/B3/C3_CTZ
W6
AudioAV2_R/L
IPCLK0/AHS/AVS/AHREF_DE
U42 Sil 9011
HDMI RS
MSTR0_SCL/MSTR0_SDA
AudioAV1_R/L
CN17
W13
ATSC Y
Pr Pb
Digital B
Input
A4/B4/C4_HUD
IPCLK0/AHS/AVS/AHREF_DE
U32 P4450G
AUDIO
PROCESS
2 Wire
Controller
AudioAV1_R/L
W10
U33 PT2308
AUDIO DRIVER
Y Pr Pb
2
Digital A
Input
A4/B4/C4_CTZ
CH4_R/L
U24 M61323FP
VEDIO SW
ANLOG DDC
OCM External
SRAM
COMP2_Audio_R/L
HY5DU56822CT-D4
U16 DDR RAM HUD
ARXD_HUD
U34 PT2308
AUDIO DRIVER
VS / HS
2
UC_SCL/UC_SDA
JTAG Boundary
Scan
A4/B4/C4
AIR_RAW_HS_CS/AIR_RAW_VS
FL8125_HUD
VGA_SCL / VGA_SDA
IPCLK1/BHS/BVS/BDE
VGA_AUDIO_L/R
2 Wire
Controller
CN16
HY5DU56822CT-D4
U17 DDR RAM CTZ
ATXD
CH1_R/L
R G B
JTAG Boundary
Scan
AIR_RAW_HS_CS/AIR_RAW_VS
51_RXD/51_TXD
BDATA[0:23]
ATXD_HUD
CH2_R/L
Display
HDMI2 AUDIO
Analog
input
3
VGA_AUDIO_L/R
AUDIO
U22 M61323FP
VEDIO SW
UART
VEDIO
ADATA[0:23]
ARXD_HUD
ARXD
2 Wire
Controller
FL8532_CTZ
1
COMP2_Audio_R/L
Serial ROM
Interface
AUDIO L/R
OUT
ATXD_HUD
W1
Frame Store
DDR Interface
U38
SST89C58
U23 M61323FP
VEDIO SW
CH3_R/L
COMP1_Audio_R/L
HDMI1 AUDIO
LVDS
Display
Interface
Headphone
ATXD
CN13
U40 24LC128
EEPROM(8051)
VGA_SCL / VGA_SDA
A2/B2/C2_CTZ
GPIO
LVDS
Display
Interface
U21 24LC02
EEPROM VGA
AudioAV1_R/L
B1_CTZ/C1_CTZ
MSTR2_SCL/MSTR2_SDA
XU1 A29LV320D
MEMERY_CTZ
ARXD
2 Wire
Controller
U37 CS3443
HDMI2 LR DAC
CN12
BDATA[0:23]
GPIO
ARXD_HUD
UART
Y2/C2
B1_HUD/C1_HUD
Y Pr Pb
MSTR1_SCL/MSTR1_SDA
TDA8946AD
AUDIO_AMP
U26 MAX232A
I2CCM
U45 74HCT14
Inverting Schmitt Trgger
J10
BDATA[0:23]
IPCLK1/BHS/BVS/BDE
ATXD_HUD
Y1/C1
SV3_CTZ/A1_CTZ
A2/B2/C2_HUD
SCL-33V / SDA-33V
MSTR1_SCL/MSTR1_SDA
JTAG_BS_TCK/TDO/TMS/TDI/TRST
W13
U36 CS3443
HDMI1 LR DAC
W14
J9
Analog
input
W5
CVBS1
SV3_HUD/A1_HUD
A2/B2/C2
U12 SST25VF040
FLASH 512K HUD
KEY PAD
CN5
JTAG_BS_TCK/TDO/TMS/TDI/TRST
W11
1
ADATA[0:23]
COMP1_Audio_R/L
U37 24LC02
EEPROM HDMI1
CVBS2
SV2_CTZ
A3/B3/C3_HUD
Lineout_R/L
W8
W7
J8
Speaker L
U28 MAX4550
AUDIO SW
4/2 I/O
U35 Sil 9011
HDMI RS
U20 4052
I/O SW
U25 F75373S
SV2_HUD
A3/B3/C3_HUD
U46 IDTQS3253
HDMI1 AUDIO SW
HLIN/HRIN
U11 24LC32
EEPROM HUD
U40 24LC02
EEPROM HDMI2
J7
Speaker R
HDMI2_AUDIO_L/R
3
MSTR2_SCL/MSTR2_SDA