Philips 26MF337B/27 User manual

Service
Service
Service
Service
Service
Service
PHILIPS
1. Technical Specifications and Connections
and Chassis Overview 2
2. Safety Instructions, Warnings and Notes 4
3. Directions for User 6
4. Mechanical Instructions 9
5. Service Modes, Error
Codes and Fault Finding 11
6. Wiring Diagram 18
Block Diagram 19
7. Circuits Diagrams & PWB Layouts
Diagram
Contents Page
Power (S-01)21
Power (S-02)22
Tuner (S-03)23
Mt5112 ATSC (S-04)24
Mt5371 BYPASS CAP(S-06)26
Flash/MT5371 Peripheral
(S-08)28
AV1/Side AV YPB PRINT (S-09)29
AV1/AV2Audio INPUT (S-10)30
Side AV/AV3/SPDIF OUT (S-11)31
VGA/PC AUDIO PINUT (S-12)32
HDMI INPUT (S-13)33
AUDIO AMP
LVDS interface (S-17)37
In status definition (S-18)38
TEST POINT 49
Power Board(26"32") (P-01)51
Power Board(37") (P-02)52
Power Board(42") (P-03)53
Key Board (K-01)60
IRBoard(26"32") (I-01)62
IRBoard(37"42") (I-02)63
Side AV Board(26"32"37") (SI-01)66
Side AV Board(42") (SI-02)67
DVDKey Control Board(26MD32MD)(D-KB)70
DVD LED Board(26MD,32MD)(D-LB)72
Mt5372 ATSC (S-05)25
(S-07)27
DDRMEMORY
AUDIO CIDER(S-14)34
(S-15)35
LVDS OUTPUT (S-16)36
Contents Page
8. Alignments
Electrical Instructions 74
Software Upgrading 79
Serial NO.Definition 80
Write MTK_CSM_HDCP and
Write MTKHDCPKey Instructions 81
Circuit Description 90
IC Data Sheets 94
10.
Recommended Parts List 104
Spare Parts List 105
11. Different Parts List 165
12.
9.
Revision List 172
Circuit Descriptions,
Abbreviations List and IC Data Sheets
Abbreviations List 91
Recommended/Spare Parts List
Chassis
Colour Television
Published by CS 0768 BU CD Customer Service Printed in the Netherlands Subject to modification EN 3122 785 16641
Copyright 2007 Philips Consumer Electronics B.V. Eindhoven, The Netherlands.
All rights reserved. No part of this publication may be reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronic,
mechanical, photocopying, or otherwise without the prior permission of Philips.
C
TPM1.0 U
LA
26MF337B/27
26MD357B/37
32MF337B/27
32MD357B/37
37MF337B/37
37PFL5332D/37
42MF337B/37

1. Technical Specifications,Connections,and Chassis Overview
2
1.Technical Specifications,Connections,and Chassis Overview
TPM1.0U LA
1.1 Technical Specifications
1.1.1 Technical Specifications
Index of this chapter:
1.1 Technical Specifications
1.2 Connections
1.3 Chassis Overview
Notes:
Figures below can deviate slightly from the actual situation,
due to the different set executions.
Specifications are indicative (subject to change)
Panel :LPL
Active Area :697.685mm (H) X 392.256mm
(V) (31.51" diagonal)
Outline Dimension :760.0mm (H) X 450.0mm (V)
X 48.0mm (D)
Pixel Pitch :0.17025mm(H) X 0.51075mm(V)
Pixel Format :1366 X 768 (WXGA), RGB
strip arrangement
Color Depth :8-bit, 16.7M colors
Luminance :500 cd/m2(Typ)
Backlight :18 EEFL
Response Time :10msec.
Viewing Angle :170/170 (L/R,U/D) (CR > 10)
Contrast Ratio :800:1
Tuning system :PLL
CCFL MTBF :50,000 hrs (min.)
Supoorted video fomats :720 x 480 @60i
720 x 240 @60p
640 x 480 @60p
720 x 480 @60p
800 x 600 @60p
1280 x 720 @60p
1024 x 768 @60p
1920 x 1080 @60i
1920 x 1080 @30P
1920 x 1080 @60P
1.1.2 Sound
Sound systems : Mono / Stereo / Virtual Surround
Maximum power : 2 x 5W
1.1.3 Miscellaneous
Power supply
AC-input : 90V ~ 264VAC, 50/60±3Hz
Normal Operation Power
Consumption : < 150W (LC320W01-SL06)
Standby power : < 1W (110V/60Hz only)
Power cord length : 1.8M
Power cord type : 3 lead with earth plug , plugable
(US type)
Power indicator : LED (On: Green, Standby: No light,
VGA mode Standby: Red)
Ambient conditions
Temperature : 0 to40°C
Humidity : 10 to 90% (non --condensing )
Power consumption
Normal Operation : < 150W (LC320W01-SL06)
Standby power : < 1W (110V/60Hz only)
1.2 Connections
1.2.1 Signal connector
FL3-26W /32W /37W /42W /47W I/O function is located
on TV module, including
Tuner: NAFTA.
HDMI IN1: HDMI input (TV digital interface support HDCP)
with digital audio or with AV IN3 audio R/L.
HDMI IN2: HDMI input (TV digital interface support HDCP)
with digital audio or with AV IN3 audio R/L.
AV IN3: Video3 (CVBS, RCA jack) and S-Video share with
same audio R/L (RCA jack ).
AV IN1: YPbPr component video1 (RCA jack) with audio R/L (RCA jack).
AV IN2: YPbPr component video2 (RCA jack) with audio R/L (RCA jack).
Side AV IN: Side Video (CVBS, RCA jack), Side S-Video and
HDMI (DVI) share with same audio R/L (RCA jack).
Headphone OUT : Audio R/L out (mini-jack)
SPDIF OUT : RCA jack
PC VGA: D-SUB 15 pins
PC Audio: Mini-jack
TUNER
Y2 Pr2 Pb2 L2 R2
AV2
Y1 Pb1 Pb2 L1 R1
AV1
D-Sub
HDMI1 HDMI2
RS232
For
service AV3
L3 S-Video
SPDIF
R3 CVBS
PC
Audio in
CN351 CN701 CN700 CN726 CN727 CN660 CN661 CN601 CN640 TU201
SideAV
S-VHS Right Left
CVBS Headphone
1.2.2. Input signal
TV Signal type:
RF Signal : Aerial input / 10mV(80dBuV)
Video signal : Video( RCA CVBS input) / 1Vpp
(300mV-sync, 700mV-video.)
S video input / 1VppY-signal, 300mVpp C-signal
COMP Video (YPbPr input)/ 1Vpp Y signal,
350mVpp Pb, Pr signal
HDMI : Digital interface with 4 channels TMDS signal
Audio signal : Audio (1) R/L for AV IN1 (Comp-video1).
Level: - Nominal : 0.5 V rms.
- Maximum : 1.5 V rms.
- Impedance > 10 k ohm.
Audio (2) R/L for AV IN2 (Comp-video2).
Level: - Nominal : 0.5 V rms.
-Maximum :1.5Vrms.
- Impedance > 10 k ohm.
Audio (3) R/L for AV IN3 (Video3 and S-video).
Level: - Nominal : 0.5 V rms.
-Maximum :1.5Vrms.
- Impedance > 10 k ohm.
Side Audio R/L for Side AV IN (Side Video and S-video).
Level: - Nominal : 0.5 V rms.
- Maximum : 1.5 V rms.
- Impedance > 10 k ohm
PC Signal type:
Analog Video : 0.7 Vp-p linear, positive polarity
Separate Sync. : TTL level, separate, positive or negative polarity
Audio signal : Mini-jack audio input,
Level: - Nominal : 0.5 V rms.
- Maximum : 1.5 V rms.
-Impedance > 10 k ohm.
Signal source : Pattern generator format as attachment.
(table 1 to 11)
Reference generator: CHROMA 2200 or 2250
Headphone output :
Audio: R/L output -10mW at 32ohm.
3.5mm stereo jack with switch
Impedance is between 8 ohm and 600 ohm
SPDIF output:
Level 0.5V ~ 1V Square Wave

3
TPM1.0U LA
1. Technical Specifications, Connections and Chassis Overview
1.3 Chassis Overview
IR Board
I
Power Board
P
Key Board
K
Scaler Board
S
Side AV Board SI
1.2.3 HDMI Pin assignment (Nafta only)
No. 1
No. 2
No. 19
No. 18
Type A Connector
PIN No. SIGNAL
1 TMDS Data2+
2 TMDS Data2 shield
3 TDMS Data2-
4 TMDS Data1+
5 TMDS Data1 shield
6 TMDS Data1-
7 TMDS Data0+
8 TMDS Data0 shield
9 TMDS Data0-
10 TMDS Clock+
11 TMDS Clock Shield
12 TMDS Clock-
13 CEC
14 Reserved (N.C. on device)
15 SCL
16 SDA
17 DDC/CEC Ground
18 +5V Power
19 Hot Plug Detect
1.2.4 VGA Pin assignment
PIN No. SIGNAL
1Red
2 Green
3Blue
4GND
5 Self test
6RedGND
7 Green GND
8BlueGND
9 +5V (Supply from PC)
10 Sync GND
11 GND
12 Bi-directional data(SDA)
13 H-sync
14 V-sync
15 Data clock(SCL)

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6TPM1.0U LA 3. Directions for Use
3. Directions for Use
You can download this information from the following websites:
http://www.philips.com/support
http://www.p4c.philips.com
Magnavox/Philips Digital UI-TV/AV1/AV2/AV3/Side/HDMI
OSD Layer 1 2 3 4 5
Picture Smart Picture Personal
Rich
Natural
Soft
Power Saver
Contrast slider
Brightness slider
Color slider
Sharpness slider
Color temperature Normal
Warm
Cool
Tint slider
Noise Reduction slider
Dynamic Contrast OFF
Medium
Maximum
Picture format Automatic
Super zoom
4:3
Movie expand 14:9
Movie expand 16:9
16:9 subtitle
Wide screen
Sound Smart sound Personal EQUALIZER
Speech EQUALIZER
Movies EQUALIZER
Sound mode Mono
Stereo
Virtual Surround
Alternate audio Main
SAP
AVL Off
On
Features Closed captions Off
On
On during mute
Caption service CC-1
CC-2
CC-3
CC-4
T-1
T-2
T-3
T-4
Digital caption service CS-1
CS-2
CS-3
CS-4
CS-5
CS-6

7
TPM1.0U LA
3. Directions for Use
Digital caption options Reset to default Reset to default
Size Default
Small
Standard
Large
Style Default
Monospaced serif
Serif
Monospaced sans serif
Sans serif
Casual
Cursive
Small caps
Text Color Default
Black
White
Red
Green
Blue
Yellow
Magenta
Cyan
Opacity Default
Solid
Transparent
Translucent
Flashing
Background Color Default
Black
White
Red
Green
Blue
Yellow
Magenta
Cyan
Opacity Default
Solid
Transparent
Translucent
Flashing
Preferred channels
Sleeptimer slider
Parental
Control (*) Channel lock
TV ratings lock
Movie ratings lock
Region ratings lock
Clear Regions lock
Change Pin
Installation Language English
Francais
Espanol
Autoprogram AUTO Start now
Antenna (Analog first then Digital)
Cable
Source TV
AV1
AV2
AV3
HDMI 1
HDMI 2
Side
DVD
PC

8TPM1.0U LA 3. Directions for Use
HDMI Audio (**) Auto
HDMI Digital
Clock Enter Time(Hrs,Mins)
AM/PM
Weak channel Installation
Current Software Info
(Current software
Version)
Reset AV settings Start now
EXIT EXIT
Magnavox/Philips Digital UI-PC
1 2 3 45
Picture Contrast slider
Brightness slider
Color temp Normal
Warm
Cool
Picture format Full screen
4:3
Sound Smart sound Personal Equalizer
Speech Equalizer
Movie Equalizer
Virtual surround On
Off
Installation Language English
Francais
Espanol
Source TV
AV1
AV2
AV3
HDMI 1
HDMI 2
Side
DVD
PC
Picture Adjustment Auto adjust Yes
Store ? Yes
No
Manual adjust Phase
Clock
Horizontal
Vertical
Factory reset No
Yes
EXIT Exit

9
TPM1.0U LA
4. Mechanical Instructions
4. Mechanical Instructions
Index of this chapter:
4.1 Assy/Panel Removal
4.2 Set Re-assembly
4.1 Assy/Panel Removal
Front View
Back View
Step 1. Remove Base
Unscrew four screws as Fig1
Fig 1
Step 2. Remove Back cover assy
Unscrew ten screws as fig 2
Fig 2
Step 3. Remove Vase plate and Bracket-base
Unscrew fourteen screws as fig 3
Fig 3
Step 4. Remove Shielding
Unscrew nine screws as fig 4 and unscrew
nine screws as fig 5
Fig 4
Fig 5
Step 5. Remove power board,scaler board,side AV
board and IR board.
Unscrew seventeen screws and disconnect ten cables
as fig 6
Fig 6
Step 6. Remove frame-PCB
Unscrew eight screws as fig 7
Fig 7
Note:Please put your mechine on a soft material to avoid to
scrape panel when you disassemble it.

10 TPM1.0U LA 4. Mechanical Instructions
In warranty, it is not allowed to disassembly the LCD panel, even the
backlight unit defect.
Out of warranty, the replacment of backlight unit is a correct way
when the defect is cused by backlight (CCFL,Lamp).
4.2 Set Re-assembly
To re-assemble the whole set, execute all processes in reverse
order.
Notes:
a. While re-assembling, make sure that all cables are placed
and connected in their original position.
b. Pay special attention not to damage the EMC foams at the
SSB shielding. Check that EMC foams are put correctly on
their places.
Step 7. Remove Metal frame
Unscrew sixteen screws as fig 8
Fig 8
Step 8 Remove AL foil
Unscrew eight screws as fig 9
Fig 9
Fig 10
Fig 11
Service Position
Insulation material

11
TPM1.0U LA
5. Service Modes, Error Codes and Fault Finding
5. Service Modes, Error Codes and Fault Finding
index of this chapter:
5.1 CSM
5.2 Factory Mode
5.3 Repair Flow Chart
5.1 CSM
It can display CSM windows message when press 1-2 3-6 5-4 on the button (RC) remote control in normal operation mode.
The following information is displayed on screen:
CSM Item Contents Remark
1: Set Type 32MF337B/27 Project name
2: Production code BZ3A0704790027 14 digit production-code(serial number)
3: SW-naming main-
processor FL3 ATSC VO.133.1 070130
SW version(F3:F3 family, ATSC: digital TV, V0.133.1:
software version, 070130: software release date)
4: Code 1 00 00 00 00 00 Error codes in NVM/EEPROM (5 last logged errors)
5: Code 2 00 00 00 00 00 Error codes in NVM/EEPROM (5 first logged errors)
6: Key (HDCP) Invalid HDMI information whether HDCP-key is valid
7: Digital signal quality ATSC Digital signal level
About error code,Please refer to the table below.
Error code Event
0x01 DDR error
0x02 IIC bus error
0x03 Tuner error
0x04 Demod error
Model Name
FL3 32MF337BU_V2.00 SW Version(FL= family,32MF337B=Model, U=Nafta region
V=Version,2=SW main version,00=SW sub version)

12 TPM1.0U LA 5. Service Modes, Error Codes and Fault Finding
5.2 Factory Mode
It can enter Factory Mode
1. Press" Menu" in normal operation mode to enter OSD.
2. Press "062596+Menu" on the button (RC) remote control in OSD.
3. Press "Menu" again. The screen will appear "FAC" in top right corner.
OSD behavior:
Before press number key change OSD item
Now remove previous function, press number key then press OK will change value
Item Description Range method of operation Status
//Action Items
0 Exit Factory press OK. Pass
1 RESET_SPC
reset item SP_GAIN_BRI_XXX to
SP_GAIN_CLR_XXX to default value press OK. Pass
2 RESET_CSM_CODE Reset CSM ERROR Code to 0 press OK. Pass
3 AUTO_COLOR
PC: any pattern has black and white
YPbPr:SMPTEbar(color bar), any timing. press OK. when autocolor, the OSD disappear, when finished. OSD appear. Pass
//Switch Items
4 VIRGIN Mode On/Off Pass
5 AGING MODE turn<On> and no signal input On/Off Pass
6 GAMMA_TABLE use gamma table or not On/Off
7 COLOR_ENHANCE On/Off Pass
8SET_PIN On/Off Pass
9ORT_MODE if On, AC switch on/off turn on the TV On/Off Pass
//ADC Gain & Offset
(values different by VGA and YPbPr)
AutoColor changes those items
10 ADC_GAIN_R 0~255 Press Left and Right to change value Pass
11 ADC_GAIN_G 0~255 Pass
12 ADC_GAIN_B 0~255 Pass
13 ADC_OFFSET_R 0~127 Pass
14 ADC_OFFSET_G 0~127 Pass
15 ADC_OFFSET_B 0~127 Pass
//Color Temperature (values different by AV,VGA,DTV,HDMI,YPbPr)
16 CLR_TEMP_R Back-End Scaler R G B Gain 0~255 Press Left and Right to change value Pass
17 CLR_TEMP_G 0~255 Pass
18 CLR_TEMP_B 0~255 Pass
//Smart Picture (values different by smart picture)
19 SP_MODE_3DNR Except YPbPr 720P above timing 0~5 Press Left and Right to change value Pass
20 SP_MODE_PWM (when Dynamic contrast Off) 0~255 Pass
//Smart Picture Default
(values different by AV,DTV,HDMI,YPbPr)
Front-End, because each source has the
same smart picture setting, for different
between each source
21 SP_GAIN_BRI_DTV Brightness 0~255 Press Left and Right to change value Pass
22 SP_GAIN_BRI_AV 0~255 Pass
23 SP_GAIN_BRI_YPBPR 0~255 Pass
24 SP_GAIN_BRI_HDMI 0~255 Pass
25 SP_GAIN_BRI_VGA 0~255
26 SP_GAIN_CNT_DTV Contrast 0~255 Pass
27 SP_GAIN_CNT_AV 0~255 Pass
28 SP_GAIN_CNT_YPBPR 0~255 Pass
29 SP_GAIN_CNT_HDMI 0~255 Pass
30 SP_GAIN_CNT_VGA 0~255
31 SP_GAIN_TINT_DTV Color 0~255 Pass
32 SP_GAIN_TINT_AV 0~255 Pass
33 SP_GAIN_TINT_YPBPR 0~255 Pass
34 SP_GAIN_TINT_HDMI 0~255 Pass
35 SP_GAIN_CLR_DTV Color 0~255 Pass
36 SP_GAIN_CLR_AV 0~255 Pass

13
TPM1.0U LA
5. Service Modes, Error Codes and Fault Finding
39 VIDEO_PWM_NORMAL 0~255 Pass
40 VIDEO_PWM_MEDIUM 0~255 Pass
41 VIDEO_PWM_MAXIMUN 0~255 Pass
42 VGA_PWM_MIN to limit PC brightness range 0~255 Dark Pass
43 VGA_PWM_MAX 0~255 Bright Pass
//YPbPr H/V Position (value different by each timing)
44 YPBPR_POS_H Pass
45 YPBPR_POS_V interlace no effect, only progressive can be adjusted Pass
46 YPBPR_PHASE Manual adjust HDMI phase Pass
//Audio
47 AUD_GAIN_TV
volume different between audio source,for
each source volume to be the same 64~-64 Pass
48 AUD_GAIN_DTV 64~-64 Pass
49 AUD_GAIN_HDMI 64~-64 Pass
50 AUD_GAIN_SCART 64~-64 Pass
51 AUD_GAIN_DVD
52 AUD_HEADPHONE_VOL 12~-64 Pass
53 AUD_BALANCE amplifier left and right volume -50~50 Press Left and Right to change value Pass
//Tuner & Panel Id
54 TUNER ID
4 is PHILIPS_FQA1236,
5isForward,
6 is PHILIPS_FQA1236_E,
7 is ALPS_TDQU4 4,5,6,7 Pass
55 PANEL_ID value the same to CLI command Pass
Smart picture control items: (values different by smart picture)
User Menu OSD:(Back-End)can be changed when factory mode
Contrast
Brightness
Color
Sharpness
color temperature
Tint
Noise Reduction
Dynamic Contrast
Factory menu OSD can be changed when factory mode
SP_MODE_PWM (when Dynamic contrast Off)
SP_MODE_3DNR (range 0 to 5)
Select Smart picture to display a list of predefined picture settings, each corresponding with specific factory settings.
Personal refers to the personal preference settings of picture in the picture menu.
Note: This Magnavox TV has been set at the factory to look best in bright store environments, which typically use
fluorescent lighting. As your home will likely not be as well lit as a store, we recommend that you cycle through the various
smart picture modes to find the one that best suits your own viewing conditions. Most consumers will find that Natural is
the correct choice.
You can press the Smart picture button on the remote control repeatedly to select either Personal, Rich, Natural, Soft, or
Powersaver picture settings.
Note:
- When you watch programs by Composite Video signal, it’s recommended to select Soft or Power saving Mode via Smart
picture.
- The moment you are in a predefined Smart picture setting and you modify the Picture menu, all values of the menu will
overwrite those previously madein personal setting.

14 TPM1.0U LA 5. Service Modes, Error Codes and Fault Finding
5.3 Repair Flow Chart
1.No work/LED is off
Check if
power switch is
normal
No Replace Power switch
Yes
Check
IR board CN001
pin1=0V,pin2=3.7V,
pin3=3V,pin4=2.85V
,pin5=5V,pin6
=3.3V
Check IR board
Yes
Check scaler board U102
pin1=14V,pin4=1.22V,
pin7=16V,pin8=5V,
No
2.No raster/picture too
dim
Check
Inverter board
CN852,pin1=16V,
pin5=0.9V,pin6
=3V
No Check Scaler board
Yes
Check
Inverter board
U811 pin2=5V,Q821
pin=5,6=16V
Check U811,Q821
Yes
Check scaler board
No

15
TPM1.0U LA
5. Service Modes, Error Codes and Fault Finding
3.No picture/LED is green
Check
scaler board U102
pin1=14V,pin4=1.22V,
pin7=16V,pin8
=5V
No Check power
Yes
Check if
working voltage
U152,pin2=3.3V
pin3=5V
No
Check circuit around
each regulator and
eliminate short and
open situation
Yes
Check if clock
source X350
Replace X350
No
Yes
Check if
RGB,clk,H/V and
DE signal output 128
bits TTL
No Try to replace
flash Rom
EEPROM
Check
resistors-network No Replace bad resistors-
network
Yes
Yes
Replace LVDS cable

16 TPM1.0U LA 5. Service Modes, Error Codes and Fault Finding
5.No earthphone sound
Check
U760 pin15=3.3V No Eliminate short and open
situation
Yes
Check U760
pin20=HPOUTL
pin6=HPOUTR
No Replace U760
Replace Side AV Board
Yes
4.No TV sound
Check if
tuner TU201 pin11
output IF signal
No Replace TU201
Yes
Check U301

17
TPM1.0U LA
7.LED and function
key poor
Check circuit around
control board and cable
between control board
and scaler board
8.No HDMI picture
Enter CSM mode
to check item 6
Invalid Change U701 writen
HDCP KEY
Valid
Check Scaler Board
6.No remote function
Tty another
remote control
No Replace one good
remote control
Yes
Check IR receiver
5. Service Modes, Error Codes and Fault Finding

18 TPM1.0U LA 6. Block Diagram
Inverter
Powerboard
CN915
12p
CN913
11p
CN030
3p
Key control board
CN100
11p
CN353
4p
Cn352
6p
Panel
CN850
40p
Main Board
Cn001
6p
IR board SIDE AV board
CN044
14p
CN801
2p
CN802
3p
Cn662
14p
Speakers R/L
6. Block Diagram
Indexofthis chapter:
6.1
6.2 Block Diagram
Wiring Diagram
Wiring Diagram
095T8014 4934 FP
HARNESS 4P-3P 520mm 46458
095T8014 11927 FP
HARNESS 11P-11P 80mm 46447
095T8014 6939FP
HARNESS 6P-6P 420mm 46459
095T8013 2916 FP
HARNESS 2P 470mm 46460
095T8013 3958FP
HARNESS 3P 750mm 46461
195T8014 14937 FP
HARNESS 7*2P-14P 260mm 46450
095T8018 30944 FP
LVDS Wire(46456)
095T8014 14938 FP
Inverterwire(46457)

19
TPM1.0U LA
6. Block Diagram
DDR x2
256Mb x2
Tuner
HDMI-1
MT5112
DTV Receiver
MT5371
.MCU
.MPEG/video/audio decoder
.Scaling
.Video enhancement
.3D comb
.LVDS Transmitter
.HDMI Receiver
.ADC
DDC
24C02
Audio R/L of AV2 CVI
TMDS341A
MUX
WM8776 .Audio AD
Audio DA
.MUX
IFAT +/-
Audio R/L of AV3 CVBS/YC
NVM
24C32
NVM
24C32
NOR Flash
4M
NOR Flash
4M
LVDS to panel
UART for ISP & Comair
SPDIF Out
RC
Amp
(TDA8933)
Amp
(TDA8933)
MPEG2 TS
I2C
HDMI-2
SIF
NTSC CVBS
Audio R/L of AV2 CVI
MUX
(DVD only)
Audio R/L of Side (CVBS/YC)
PC
DVD CVI
DDC
24C02
Headphone
I2S
I2C
Keys
Audio R/L of DVD
Audio R/L of PC
MUX
(DVD only)
AV2 CVI
AV1 CVI
CVBSx2/YCx2
MUX
(DVD only)
DVD SPDIF
DDC
24C02
speakers
Function Block of Main Board
S-03
S-04
S-05
S-07
S-08
S-12
S-13
S-13
S-14 S-15
S-07

20 TPM1.0U LA 6. Block Diagram
24V
12V
TDA8932
Audio AMP
Tuner 410mA
+5V_Tuner
MT5371 1000mA
+1.2V DV12
MT5112
DTV receiver 900mA
+1.8V DV18_DM
3A Buck
TPS5430
5V
Panel
(5V/2A,
12V/1A)
MT5371
30mA at STB
MT5371uP
280mA
40mA
CODEC
WM8776
regulator
LD1117S33
3V3
DDR
+2.5V
DV26_DDR
DV33 MT5371 50mA
Audio CODEC
WM8776 10mA
MX29LV320
Flash 30mA
MT5371 200mA
MT5371 90mA
AV3
3regulator AV15
500 mA for 2 DDR,1A for 4 DDR
0.6A
RLC
filter
MT5112
DTV Receiver 80mA
PWR_S1
PWR_S2
PWR_S2
SI5441
MOS SW
PWR_S3
5A Buck
NCP5422
SI4936x2
3A Buck
TPS5430
5V
DVD
module
HDMI MUX
TMDS431A 30mA
Termination
1.25V 30 mA
regulator
LD1117DT
3V3
Regulator
3.3V
SI5441
MOS SW
Inverter
Buck
Switch
Regulator
MT5371
Others
Panel
DVD
Audio Amp
Tuner
Inverter
MT5371
regulator
AV12
40mA
regulator
PWR_S3
DV33SB
3A Buck
TPS5430
5V4
24V for 32/26
12V for 37/42
700mA
PWR_S1
For 5V
panel only
24V for 32/26
12V for 37/42
Power Management
S-01~S-02