Supply Lines Overview - Philips MG8 Service Manual

Block Diagrams, Test Point Overview, and Waveforms

Supply Lines Overview

SUPPLY LINES OVERVIEW
A SUPPLY
A B02B DC / DC 2V5_1V
1 1
12V
2 2
12V
3 3
SGND1
4 4
SGND1
5 5 LAMP-ON-OUT
BL-ON
MAIN
6 6 BACKLIGHT-OUT
BL-DIM
POWER SUPPLY
7 7 BACKLIGHT-BOOST
BOOST
8 8
SGND1
1 1
3.3VSB
7U0N
VOLT.
REG.
2 2 STANDBY
PSON
3 3
SGND1
4 4
SGND1
5 5
SGND1
6 6
12V
7 7
12V
8 8
12V
9 9
12VA
10 10
SGND2
11 11
-12VA
B02A DC/DC 3V3_1V2
+12V
B02b
5U02
7U0A
NCP5422
Dual
Out-of-Phase
Synchronous
Buck Controller
1V2-STANDBY
B02b
Q522.2E LA 6.
B02C
+12V
B02b
5U51 +12VD
B04a,B06b,
B07b
B03A
B04A
B06B
+5V
B02c
N.C.
B03B
+3V3
B04a,c,d,m,p,
+3V3-STANDBY B07d, B02a
B08b,B10a
7U0M +1V2-STANDBY
B02a,B04p
+5V-TUN
B03a
B04A
B04A
+1V2-PNX8541
B02a
+3V3-STANDBY
B02b
+3V3
B02a
+12VD
B02b
+5V
5U52 +12V B02c
B02a,c
+AUDIO-POWER
B04i,B10a
B04C
-AUDIO-POWER
B04i,B10a
+3V3-EXT
B07d
+3V3-PER
B04P
+3V3
B02a
+3V3-STANDBY
B02b
B04D
+3V3-STANDBY
B02b
B04E
+12V
+3V3-PER
B04p
+12VF
B02b,c
+1V2-PNX8541
B02a
7U08-1 12V/3V3
14 COVERTER B03b,B04a,c,l,p,q,
1 B05a,B06b,
5U01 +3V3
B07a,b,d,B08a,c, B04F
7U08-2
B09a,B10a
2
+3V3-PER
B04P
5U03 +3V3F
B04g
B04G
7U05-1
12V/1V2
+3V3F
16 COVERTER
B02a
5U00 +1V2-PNX8541
7U05-2
B02b,B03b,
B04a,e,p
15
1V2-STANDBY
B04H
RREF-PNX8535
B04P
51
B04I
DC/DC
+AUDIO-POWER
B02b
+12V
B03a,B04a,l,m
7U0Z
+5V
B07a,b,B08a,
VOLT.
B09a,B10a
REG. -AUDIO-POWER
B02b
B04K
MAIN TUNER
+3V3-PER
B04P
+5V
B04L
5T63
+5V-TUN
B03b
+5V
B02c
5T53 V1
CHANNEL DECODER DVB-T
+3V3
B02a
+3V3
5T08 +3V3DVB
7T25
B04M
+1V2DVB
VOLT.
REG.
+3V3-STANDBY
B02b
+5V-TUN
+5V
B02c
PNX8541: STANDBY CONTROLLER
B04N
+1V2-PNX8541
+3V3-STANDBY
+3V3-PER
+3V3 B04P
+12VD
B04P
+5V
+1V2-PNX8541
B02a
+3V3-STANDBY
B02b
PNX8541: NVM
+1V2-STANDBY
B02b
+3V3-EXT
+3V3
B02a
+3V3-PER
+3V3
+3V3-STANDBY
VDDA-AUDIO
B04l
PNX8541: MISCELANEOUS
+3V3-STANDBY
+1V8-PNX8541
B04g
PNX8541: CONTROL_MIPS
+3V3-PER
B04Q
+1V2-PNX8541
+3V3
B02a
PNX8541: CONTROL_PCI
B05A
+3V3-PER
+3V3
B02a
VDISP
PNX8541: DDR2 B06b
+3V3F
B06A PACIFIC 3: LVDS
7HG3
+1V8-PNX8541
IN OUT B04p
VDDA-LVDS
COM
3HJ1
DDR2-VREF-CTRL
B06b
VDISP
3HJ3
DDR2-VREF-DDR
B06b
PNX8541: DIGITAL VIDEO IN
B06B PACIFIC 3: DISPLAY-INTERFACING
RREF-PNX8535
+12VD
B02b
+3V3
B02a
+3V3-STANDBY
B02b
B07A ANALOGUE I/O: SCART 1 & 2
PNX8541: AUDIO
+3V3
+AUDIO-POWER
B02a
5HM0 AUDIO-VDD +5V
B02c
-AUDIO-POWER
B07B ANALOGUE I/O: YPBPR AUDIO OUT
5HM1 AUDIO-VEE
+5V
B02c
PNX8541: ANALOGUE AV
+3V3
B02a
+12VD
+3V3-PER
B02b
PNX8541: AUDIO
B07D ANALOGUE I/O: BOLT-ON
+5V
+3V3-STANDBY
7HQ0
B02b
VDDA-AUDIO
+3V3
B04P
IN OUT
B02a
COM
+5V
+3V3
B02c
1E50
4
FACTORY
USE ONLY
PNX8541: AUDIO
B08A DIGI I/O: USB CONNECTOR + CONTROLLER
+3V3-STANDBY
+5V
+3V3
B02a
+5V
B02c
PNX8541: VIDEO STREAMS
B08B
DIGI I/O: HDMI CONNECTORS +
DVI AUDIO INPUTS
+3V3-PER
1P35
HDMI
18
CONNECTOR
PNX8541: POWER
1P32
HDMI
18
+1V2-PNX8541 CONNECTOR
1P33
+3V3-STANDBY
HDMI
18
CONNECTOR
+1V2-STANDBY
1P34
HDMI
18
+3V3
CONNECTOR
5HYA +3V3-PER
B04c,e,f,k,n
5HK3 RREF-PNX8535
B04h
+3V3-STANDBY
VDDA-LVDS
5HY1 B02b
B06a
VDDA-AUDIO
5HY4 VDDA-DAC
B08C DIGI I/O: HDMI MUX
5HY7 AUDIO-ADC
+1V8-PNX8541
+3V3
B02a
5P74
5P75
PNX8541: FLASH
+5V-CON
B08b
+3V3
5P76
5HA0
+3V3-NAND
DUAL LVDS B09A DIGI IO: PCMCIA INTERFACE & BUFFER
+3V3
+3V3
B02a
VDISP
5N01
+5V
B02c
3N09
+T
VDDA-LVDS
B10A CLASS D
VDISP
1G50
TO
41 +3V3
DISPLAY
B02a
-AUDIO-POWER
B02b
5D14
+AUDIO-POWER
+12VD
B02b
5D15
5G55
7G54 VDISP
B05a,B06a
+3V3-STANDBY
7G55
CTRL1-MIPS_LCD-PWR-ON B02b
+5V
B02c
+3V3
+3V3-STANDBY
+3V3
+5V
+5V
+3V3
+12VD
+3V3-STANDBY
+3V3
+5V
3V3-EXT
B04c
+3V3
+5V
AIN-5V
BIN-5V
CIN-5V
DIN-5V
+5V-CON
B08c
+3V3-STANDBY
+3V3
+3V3-DIG
+3V3-ANA
+5V-CON
+5V-MUX
+3V3
+3V3_BUF
+5V
PCMCIA-VCC-VPP
+3V3
+AUDIO-POWER
3D14
VSSA
(12V2)
5D11 VSS
(+12V2)
-AUDIO-POWER
3D15
VDD
(12V2)
5D10 VDD
(-12V2)
+3V3-STANDBY
+5V
1D10
5D16
5
TO 1P10
J
8
IR/LED
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