Supply Lines Overview - Philips 32PFL3403D/85 Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Supply Lines Overview

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