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8. Block Diagram
Tuner
VIF
ENV56U03D8F
VIDEO
CVBS
S-VIDEO
Y/C
DVD Y/C
Y/C
YPbPr
YPbPr
VGA
RGB
SN74LVC1G17
Hsync, Vsync
I2C
M24C02
HDMI-1
TMDS
HDMI-2
TMDS
AV AUDIO-R\L
DVD AUDIO-R\L
YPbPr AUDIO-R\L
VGA AUDIO-R\L
26"
Comb TV
Power Board Input : +5VSB, P19V
Power Board
Pin
Function
Input :
1
BL_ON_OFF
+5VSB, P12V,
2
NC
P24V
3
BL_BRI_ADJ
Pin
Function
4
DVD_5V
1
BL_ON_OFF
5
DVD_5V
2
BL_BRI_ADJ
6
GND
3
12V
7
GND
POWER
4
12V
BOARD
8
GND
5
GND
9
19V
6
GND
10
19V
7
GND
11
PS_ON
8
24V
12
+5V_SSB
9
24V
13
+5V_SSB
10
PWR_ON_STB
11
5.2V
12
5.2V
System Block Diagram
LVDS
LCD PANEL
DDRII * 2
H5PS5162FFR-S6C
FLASH ROM
MX25L3205DM2I-12G
GPIO
EJTAG
ZR39787HGCF
CAT24C64WI-GT3
Audio Amplifier
TDA7491P13TR
Earphone Amplifier
MAX9728AETC+
M ax. 2.5A
STB 15m A
+5VSB
3V3_STB
U701 G5622ADJT11U
AO4449
VCC5D
D3V3
U703 G1084-33T43Uf
D1V8
U704 G5692P11U
VCC1V1
U705 G5692P11U
M ax. 1.5A
19V
19V
Audio Amplifier
19V
12V
U706 G5655P12U
Main Board Power System
P24V/16V
P12V
+5VSB
Q703 AO4449
SPEAKER
EarPhone Output
S/PDIF Output
19", 22", 24"
Power Board Input : +5VSB, P16V
Pin
Function
1
BL_ON_OFF
2
BL_BRI_ADJ
3
NC
4
NC
M ax. 1A
5
GND
1V8_STB
6
GND
U702
M ax. 2A
7
GND
AZ1084D-1.8TRE1
8
16V
M ax. 3A
9
16V
10
NC
M ax. 2A
11
5.2V
12
5.2V
M ax. 2A
5VT
U708 G9084-50TU3U
M ax. 2A
DVD Comb
39
PANEL Inve rte r
TDA7491P13TR
P24V/16V
For Audio Am plifie r
9V
U706 G5655P12U
U708 G9084-50TU3U
Q403 AO4449
PANEL LVDS Pow e r
5VT
U708 G9084-50TU3U
TU101 ENV56U03D8F
Q403 AO4449
PANEL LVDS Pow e r
U105 M 24C02-WDW6P
For VGA EDID
3V3_STB
U701 G5622ADJT11U
U702 AZ1084D-1.8TRE1
U401 ZR39787HGCF
VCC5D
U409 G5250K1T1U
USB5V
For USB OCP
U606 M AX9728AETC+
5V_HP
For Audio He adphone Am plifie r
D3V3
U703 G1084-33T43Uf
U401 ZR39787HGCF
U406 CAT24C64WI-GT3
U405 M X25L3205DM 2I-12G
D1V8
U704 G5692P11U
U401 ZR39787HGCF
U402, U403
H5PS5162FFR-S6C
V CC1V1
U705 G5692P11U
U401 ZR39787HGCF
For ZR39787HGCF
M ax. 2.5A
STB 15m A
+5VSB
U701 G5622ADJT11U
AO4449
VCC5D
U703 G1084-33T43Uf
U704 G5692P11U
POWER
BOARD
U705 G5692P11U
M ax. 1.5A
P16V
D16V
AO4449
Audio Amplifier
U706 G5655P12U
5VT
TU101 ENV56U03D8F
For TUNER+5V
For TUNER+5V
1V8_STB
U401 ZR39787HGCF
For ZR39787HGCF uM CU
For ZR39787HGCF uM CU
For ZR39787HGCF
For EEPROM
For SPI Flas h
For ZR39787HGCF
For DDR II
3V3_STB
M ax. 1A
1V8_STB
U702
M ax. 2A
AZ1084D-1.8TRE1
D3V3
M ax. 3A
D1V8
M ax. 2A
VCC1V1
M ax. 2A
9V
5VT
U708 G9084-50TU3U
M ax. 2A
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