AOC LE22H067 User Manual Page 43
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43
8. Block Diagram
D1V8
D3V3
Max. 2A
VCC5D
U705 G5692P11U
AO4449
U704 G5692P11U
Max. 1A
Max. 2.5A
U708 G9084-50TU3U
Max. 1.5A
19V
Audio Amplifier
Max. 2A
12V
U706 G5655P12U
19V
5VT
POWER
BOARD
19V
DVD Comb
26"
PANEL LVDS PowerQ403 AO4449
Q403 AO4449
Audio Amplifier
TDA7491P13TR
SPEAKER
EarPhone Output
S/PDIF Output
Earphone Amplifier
MAX9728AETC+
U706 G5655P12U
TU101 ENV56U03D8F For TUNER+5V
U708 G9084-50TU3U
5VT
6
5.2V
4
24V
5
PWR_ON_STB
GND
24V
2
GND
3
1
GND
12V
BL_BRI_ADJ
Function
12V
BL_ON_OFF
11
12
Pin
5.2V
9
10
8
7
HDMI-2
RGB
YPbPr
AV AUDIO-R\L
HDMI-1
M24C02
TMDS
Hsync, Vsync
TMDS
VGA
I2C
SN74LVC1G17
YPbPr
Y/C
DVD Y/C
DVD AUDIO-R\L
VGA AUDIO-R\L
YPbPr AUDIO-R\L
Pin
8
7
6
5
4
3
2
1
Function
12
11
10
9
CAT24C64WI-GT3
BL_BRI_ADJ
BL_ON_OFF
+5V_SSB
DVD_5V
PS_ON
19V
19V
GND
GND
NC
DVD_5V
GND
13 +5V_SSB
4
GND
Function
9
BL_BRI_ADJ
BL_ON_OFF
8
5VT
U703 G1084-33T43Uf
3
11
GND
12
7
Max. 2A
3V3_STB
NC
6
16V
2
NC
5.2V
1
U701 G5622ADJT11U
Max. 1.5A
NC
D3V3
GND
10
Max. 1A
Max. 2A
U705 G5692P11U
+5VSB
U706 G5655P12U
5
16V
5.2V
Pin
Power Board Input : +5VSB, P16V
POWER
BOARD
AO4449
19", 22", 24"
9V
P16V
U708 G9084-50TU3U
D16V
Max. 3A
Audio Amplifier
VCC5D
U702
AZ1084D-1.8TRE1
Max. 2A
U704 G5692P11U
1V8_STB
Max. 2A
Max. 2.5A
D1V8
VCC1V1
S-VIDEO
Y/C
9V
STB 15mA
STB 15mA
U708 G9084-50TU3U
TU101 ENV56U03D8F
5VT
For TUNER+5V
AO4449
Power Board
Input :
+5VSB, P12V,
P24V
1V8_STB
For Audio Headphone Amplifier
Fo r EEP ROM
VCC5D
Fo r DDR II
VIF
P24V/16V
U401 ZR39787HGCF
For ZR39787HGCF
D3V 3
USB5V
For ZR39787HGCF
U401 ZR39787HGCF
U405 MX25L3205DM2I-12G
For Audio Amplifier
U401 ZR39787HGCF
PANEL Inve r te r
CVBS
GPIO
VIDEO
+5V SB
U406 CAT24C64WI-GT3
TDA7491P13TR
U702 AZ1084D-1.8TRE1
System Block Diagram
U704 G5692P11U
U401 ZR39787HGCF
For ZR39787HGCF uM CU
For ZR39787HGCF uMCU
For V GA EDID
LVDS
P24V/16V
U703 G1084-33T43Uf
3V3_STB
5V_HP
LCD PANEL
U409 G5250K1T1U
U105 M24C02-WDW6P
FLASH ROM
MX25L3205DM2I-12G
EJTAG
DDRII * 2
H5PS5162FFR-S6C
ZR39787HGCF
D1V 8
For SPI Flas h
PANEL LVDS Power
U701 G5622ADJT11U
VCC1V1
U402, U403
H5PS5162FFR-S6C
Main Board Power System
U401 ZR39787HGCF For ZR39787HGCF
Fo r USB OCP
P12V
U606 MAX9728AETC+
Q703 AO4449
Power Board Input : +5VSB, P19V
Comb TV
U705 G5692P11U
Tuner
ENV56U03D8F
Max. 2A
U702
AZ1084D-1.8TRE1
1V8_STB
U703 G1084-33T43Uf
VCC1V1
3V3_STB
U701 G5622ADJT11U
Max. 3A
+5VSB
Max. 2A
- Service 1
- Important Safety Notice 2
- Revision List 3
- 1. General Specification 4
- 2. Operating Instructions 5
- 2.2 To Use the Menus 6
- 2.3 How to Connect 17
- 4. Mechanical Instructions 22
- 5. Repair Flow Chart 24
- 2. Can’t start 25
- 3. No display 26
- 4. Sound problem 27
- 6. PCB Layout 30
- 6.2 Power Board 32
- 715G4147P01H21002S 35
- 715G3798T02000004S 36
- 715G4313P02000003S 37
- 6.5 IR Board 41
- 41
- 7. Adjustment 42
- 8. Block Diagram 43
- 9. Schematic Diagram 44
- Video signal detect 45
- Active Low 45
- For DVD Interface 45
- HDMI1 (Rear) 46
- HDMI2 (Side) 46
- USB Port 47
- EJTAG I/F 47
- Key Component 48
- TVMicro Bootstrap 48
- Configuration 48
- Bootstrap Configuration 48
- 512Mb (32Mx16) DDRII 49
- 56G 615919 49
- H5PS5162FFR-S6C 49
- 12V for 26" 50
- Audio IN 51
- Audio OUT 51
- Guest Bus 51
- No Connect Pins 51
- POP NOISE 52
- For 26" 24V & 53
- Comb DVD 19V 53
- For DVD Interface power 53
- For 26" Power Board 53
- 9.2 Power Board 54
- KIA431A-AT/P 55
- 9.3 LED Board 60
- 9.4 Key Board 62
- 9.5 IR Board 63
- 10. Exploded View 64
- LE24H067 66
- 11. BOM List 67
- LE24H067 E2CA6ZNKWEE6NN 89
- LEPFAQA1 110
- PLTVAE432AQD8 111
- INTVA988AQD7 116
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