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Block Diagrams, Test Point Overview, and Waveforms
41
LC8.1U LA
6.
Supply Lines Overview
SUPPLY LINES OVERVIEW
A
MAIN
POWER SUPPLY
B1
DC/DC CONVERTER
B5P
MJC MT8280 - POWER
B6K
FPGA - AMBILIGHT
B4F
MT5382 - ANALOG I/O
B2
TUNER & DEMODULATOR
B3
CLASS-D & MUTING
B4A
MT5382 - POWER & TUNER
B4B
MT5382 - DDR2 SDRAM
B4C
MT5382 - FLASH & NVM
B4D
MT5382 - LVDS
B4E
MT5382 - HDMI & MUX
B5Q
MJC MT8280 - DDR2
B5R
MJC MT8280 - LVDS
B7L
HOTEL TV - CHANNEL DECODER
B7M
HOTEL TV - PROIDIOM
CN6
1
1
6
6
7
7
2
2
3
3
4
4
5
5
8
8
STANDBY
1101
+3V3STBY
7103-1
7107
NCP5422
7103-2
+5V_SW
14
1
2
7105-1
7105-2
+3V3_SW
5102
16
15
+2V5
+3V3_SW
+3V3_SW
5K01
+3V3_FPGA
+2V5
+2V5
5K03
+2V5_FPGAin
B4C
3
107
CN4
1
2
3
4
5
6
1K04
1
24Vamb
GND
24Vamb
GND
24Vamb
GND
3V3ST
Standby
GND
GND
GND
+12Vaud
12Vssb
5104
+3V3_SW
+3V3_SW
CN7
1
1
6
6
7
7
2
2
3
3
4
4
5
5
8
8
BACKLIGHT_ON_OFF
1102
BACKLIGHT_BOOST
+12Vdisp
PWM_DIMMING
B4C
B4C
12Vssb
12Vssb
GND
GND
INV-ON
GND
DIM
BOOST
+12VS
9
9
+12VAudio
11
11
-12VAudio
10
10
B4d
B3,B4c,e,B7m
B2,B4c
B3,B4f
B3,B4f
12Vssb
12Vssb
-12Vaud
GND_aud
Dual
Out-of-Phase
Synchronous
Buck Controller
ANA-DIG_DIM_SELECT
B4C
B4F
B5P
+5Vdisp
7112
VOLT.
REG.
5109
5107 5108
7104-1
7108
NCP5422
7104-2
+1V8_SW
14
1
2
7106-1
7106-2
+1V1_SW
5106
16
15
5103
3
10
8
5105
Dual
Out-of-Phase
Synchronous
Buck Controller
5101
+1V2
+12VS
+12VS
7302
IN OUT
COM
+5Vtuner
+5V_SW
+5V_SW
5204
5201
+5VS
5203
+12VAudio
+12VAudio
+12VAAudio
+3V3STBY
+3V3STBY
5301
+12VDAudio
3301
5305
-12VAudio
-12VAudio
-12VAAudio
5302
-12VDAudio
3302
5306
+3V3_SW
+3V3_SW
+1V8_SW
+1V8_SW
+3V3_SW
+3V3_SW
+2V5
+2V5
+1V2
+1V2
+1V1_SW
+1V1_SW
+1V8_SW
+1V8_SW
+0V9_VTT
+5V_SW
+5V_SW
+12VS
+12VS
+3V3STBY
+3V3STBY
+3V3_SW
+3V3_SW
+3V3_SW
+3V3_SW
+3V3_LVDS
5D01
+3V3_PLL
5D02
+5V_SW
+5V_SW
+12Vdisp
+12Vdisp
+VDISP
7D02
7D03
LCD_PWR_ON
+1V8_SW
+1V8_SW
+1V8HDMI_AMUX
5E01
+1V8HDMI_DMUX
5E02
+3V3_SW
+3V3_SW
+3V3HDMI_AMUX
5E03
+5V_HDMI_2
1E02
18
HDMI 2
CONNECTOR
+5V_HDMI_3
1E03
18
HDMI 3
CONNECTOR
+5V_HDMI_SIDE
1E04
18
HDMI SIDE
CONNECTOR
+3V3STBY
+3V3STBY
+5V_HDMI_1
1E01
18
HDMI 1
CONNECTOR
+1V2
+1V2
+5V_SW
+5V_SW
+3V3_DIG
5F04
+3V3_DAC
5F25
+3V3_ADC
5F05
+3V3_REFP
5F10
+2V5
+2V5
+2V5_VFE
5F06
+2V5_DVADC
5F08
+2V5_REF
5F07
+2V5_AVADC
5F09
+1V2
+1V2
+1V1_VGA
5F01
+1V1_RGBADC
5F02
+1V1_RGBFE
5F03
+12VAudio
+12VAudio
-12VAudio
-12VAudio
+5V_SW
+5V_SW
+1V2
+1V2
+1V1_SW
+1V1_SW
+1V8_SW
+1V8_SW
+3V3_SW
+3V3_SW
+0V9_VTT
+0V9_VTT
+1V8_SW
+1V8_SW
+1V2
+1V2
+3V3_SW
+3V3_SW
5K02
+2V5_FPGAout
+1V2
+1V2
5K05
+1V2_FPGA_PLL
5K04
+1V2_FPGA
1K03
1
FROM
CN4
PSU
TO
AMBI
LIGHT
+24V_BOLT-ON
+1V2
+1V2
5L11
+1V1_CD
+3V3_SW
+3V3_SW
5L07
+3V3_ADC
5L06
+3V3_DCD
+3V3_SW
+3V3_SW
5M01
+3V3_PI
+3V3STBY
+3V3STBY
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B4b
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B5q
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B1
B2,B4c,d,e,f
B1
B3,B4a,c,d,e,f,
B5p,r,B6k,B7l,m
4b,e,B5p,q
B4a,f,B6k
4a,e,f,B5p,r,
B6k,B7l
B4a,B5p
TO 1K03
SSB
B6K
H_17740_061.eps
220408
+12VS
6E02
+5VHDMI_1
6E12
+5VHDMI_3
6E11
+5VHDMI_2
6E13
+5VHDMI_SIDE
Reserved
Reserved
Reserved
7109
IN OUT
COM
7110
IN OUT
COM
7B01
VOLT.
REG.