Philips 26MF231D/37, Service Manual

Page: 17 / 102

17 TPE1.0U LA
6. Block Diagram
DDR x2
8Mx16?
Tuner
PNX2015
.80C51 uP
.video Decoder
.Audio DSP
.Columbus
.MPEG Decoder (sub)
.LVDS Transmitter
SAW 44M
and AGC
HDMI
NXT2004
Channel decoder
(VSB/QAM
receiver)
PNX8552
.MPEG decoder
.Scaler
.DNR
.Video enhancement
.Audio delay
USB
DDC
24C02
CVBS,YC
SAW 45.75
SAW 45.75
TDA9975A
TDA9975A
PNX3000
.IF AM Demodulation
.AGC
.Video & audio switch
.I2D data link
formatter
IF
Audio L/R
SPDIF
Nand Eeprom
16Mx16
Nand Eeprom
16Mx16
NVM
24C64
NVM
24C64
DDR 8Mx16
DDR 8Mx16
Flash 512K
Flash 512K
Key Control
Key Control
Headphone,
speakers
LVDS to panel
UART
SPDIF
RC
Amp
Amp
CVI
AVP1
16bits/H/V/CLK
Video/audio stream
DV4/5
ADC
DV1
MPEG2 data
RGB 30
bits,H/V/CLK
DV3 8 bits
I2S
Tunnel
bus
H/V/CL
K
CLK
SP
I
I2C
Main BOARD
Base on TV 510 just to
modify
.DC-DC power
.Audio Amp
.inverter and panel
interface
.localize
connectors,passive
components and
memories
Inverter
board
LCD Panel
26"/27"/32"
Speakers
Control Board
Vcc,
Bright_ADJ
Inverter ON_OFF
PWR_SAVING
SMPS board
.200W max
.PFC
.<1W at STBY
.Philips safety
rules
Mains
Side AV Board
Side AV Board
IR board
IR board
S
A
I
S-A08
PCB architecture
Function block of main Board
S-A04
S-B12
S-A07
S-B11~14
S-B15
S-B15
U
S-A09
S-A10
S-A04
S-A02~05
S-B17~22
K
S-E27
S-B12
S-B21
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