Supply Lines Overview - Philips LC8.1E Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Supply Lines Overview

SUPPLY LINES OVERVIEW
A
1
+12V
2
+12V
3
GND1
4
GND1
5
BL-ON_OFF
MAIN
6
POWER SUPPLY
DIM
7
BOOST
8
ANALOG_PWM
1
3.3Vstby
2
STANDBY
3
GND1
4
GND1
5
GND1
6
+12V
7
+12V
8
+12V
9
12V (audio)
10
GND2( audio)
11
-12VA (audio)
LC8.1E LB 6.
B01 DC / DC +5V & +3V3 & +2V5 +1V8 & +1V2
1
2
3
4
5 BL_ON_OFF_2
B03
(CONTROL)
6
BL_ADJUST_PWM
B03
(CONTROL)
7
BL_BOOST
B03
(CONTROL)
8
+3V3_STBY
1
B03,B04a,B05b,
B06d
2 STANDBY
B04A
3
4
5
+12V_DISP
6
B03,B04c
+8V_SW
7 7P10
B05a
8
5P10 +12V_AUDIO
9
B05b
GNDSND
10
5P07
-12V_AUDIO
11
B05b
5P06 6P03
+VTUN
(34V) B02
7P09
+5V_SW
ONLY FOR ANALOG TUNER
7P08 7P06-1
NCP5422
14
1
+5V_SW
5P01
Dual
B02,B03,B05a,
7P06-2
Out-of-Phase
B06b,c,d
Synchronous
7P04
2
Buck Controller 5P09 +3V3_SW
IN OUT B03,B04a,b,
COM
B05a,B06a,d
7P01
+2V5_SW
5P08
IN OUT
B04a,b
COM
7P02
5P04 +3V3_SW_TDA
IN OUT
B04a
COM
7P03
+1V8_SW_ADC
7P07-1 IN OUT
B04a
COM
16
+1V8_SW
5P05
7P07-2
B04A,B06d
15
32
B02 TUNER IF & SAWF
+5V_SW
B01
5115
+VTUN
B01
B03 MICROPROCESSOR NVM
+3V3_SW
B01
+3V3_STBY
B01
+5V_SW
B01
+12V_DISP
B01
B04A TDA154XX
+3V3_SW
B01
+3V3_SW_TDA
B01
+3V3_STBY
B01
+2V5_SW
B01
+1V8_SW_ADC
B01
+1V8_SW
B01
5C11
+1V8_SW_LOCAL
B04B DDR FLASH TRAP
+2V5_SW
B01
+3V3_SW
B01
B04C LVDS CONNECTORS
+12V_DISP
B01
5R02
7R02
5R03
LCD_PWR_ON
B05A SMIC L
+5V_SW
B01
5402
+3V3_SW
B01
+8V_SW
B01
B05B AUDIO - CLASS D
+12V_AUDIO
B01
+5V_SW
-12V_AUDIO
B01
+5V_IF
+5V_TUN
+VTUN
+3V3_STBY
B01
+3V3_SW
B06A YPBPR & SVHS
+3V3_STBY
+3V3_SW
B01
+5V_SW
+12V_DISP
1303
8
TO 1P10
B06B I/0 - SCART 1
J
5304
5
I/R LED
+5V_SW
B01
B06C
SCART 2 & UART & JTAG
+3V3_SW
+3V3_SW_TDA
+5V_SW
B01
+3V3_STBY
+2V5_SW
B06D HDMI
+1V8_SW_ADC
+1V8_SW
+3V3_SW
B01
5N01
+3V3_STBY
B01
+1V8_SW
B01
5N02
+2V5_SW
5N03
+3V3_SW
+5V_SW
B01
1N01
HDMI 18
CONNECTOR
+12V_DISP 1N02
HDMI
18
VDISP CONNECTOR
1R50
RES
1
J IR & LED PANEL
1P10
TO 1303
5
B03
SSB
8
+5V_SW
+5V_SW_SMIC
+3V3_SW
+8V_SW
+12V_AUDIO
VDDA
5A05
VDD
-12V_AUDIO
VSSA
5A06 VSS
+3V3_STBY
+3V3_SW
+5V_SW
+5V_SW
+3V3_SW
+3V3_ANA-MUX
+3V3_STBY
+1V8_SW
+1V8_DIG-MUX
+1V8_ANA-MUX
+5V_SW
+5VHDMI_A
+5VHDMI_B
+3V3STBY
+5V_SW
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