Philips TPS14.4A Service Manual

Colour Television Chassis

TPS14.4A

Contents Page Contents Page

1. Revision List 2

2. Technical Specs, Diversity, and Connections 2

3. Precautions, Notes, and Abbreviation List 5

4. Mechanical Instructions 9 Cable dressing (5009 series 42") 9 Cable dressing (5009 series 50") 10 Cable dressing (6009 series 55") 10

5. Service Modes and Fault Finding 18

6. Alignments 21

7. Circuit Descriptions 22

8. IC Data Sheets 28

9. Block Diagrams Block diagram 6009 series 35

10. Circuit Diagrams and PWB Layouts Drawing PWB A 715G5778 PSU

36 38-39

Revision List

EN 2 TPS14.4A LA1.

1. Revision List

Manual xxxx xxx xxxx.0

• First release.

Manual xxxx xxx xxxx.1

• Chapter 2: Updated table 2.1 Technical Specifications

• Chapter 4: Added figure 4-1 Cable dressing (5009 series

42"), 4-2 Cable dressing (5009 series 50") and section 4.4 Assembly/Panel Removal (for 42"/50"PFH5009 series).

• Chapter 5: Updated table 5-1 Factory mode overview

• Chapter 7: Updated figure 7-2 Power Architecture

and

table 7-1 Connector overview

• Chapter 10: Added circuit diagrams 10.2 A 715G6353

PSU, 10.3 A 715G6338 PSU and 10.5 J 715G6710 IR/LED Panel.

• Chapter 11: Added styling sheets 11.1 5009 series 42" and 11.2 5009 series 50"

2. Technical Specs, Diversity, and Connections

Index of this chapter:

2.1 Technical Specifications

2.2 Directions for Use

2.3 Connections

2.4 Chassis Overview

Notes:

• Figures can deviate due to the different set executions.

• Specifications are indicative (subject to change).

2.1 Technical Specifications

For on-line product support please use the links in Table 2-1. Here is product information available, as well as getting started, user manuals, frequently asked questions and software & drivers.

Table 2-1 Described Model Numbers and Diversity

CTN

24 910 11

Connection Overview

Mechanics

Block Diagrams Schematics

Styling

Wire Dressing

Rear Cover Removal

SSB Removal

Block Diagram

Power Supply

SSB

J (IR/LED)

E (Keyboard/Leading Edge)

LED Board

TunerBox Board

42PFH5009/96 2-1 4-1 4-8 4-10 9.1 10.2 10.4 10.5 10.6 10.7 10.8 11.1 50PFH5009/96 2-1 4-2 4-8 4-10 9.1 10.3 10.4 10.5 10.6 10.7 10.8 11.2 55PFH6009/96 2-1 4-3 4-4 4-6 9.1 10.1 10.4 - 10.6 10.7 10.8 11.3

Technical Specs, Diversity, and Connections

EN 3TPS14.4A LA 2.

2.3 Connections

19740_001.eps

1 2

4 5

Technical Specs, Diversity, and Connections

EN 4 TPS14.4A LA2.

7 -D0+ Data channel j 8-Shield Gnd H 9 -D0- Data channel j 10 - CLK+ Data channel j 11 - Shield Gnd H 12 - CLK- Data channel j 13 - Easylink/CEC Control channel jk 14 - ARC Audio Return Channel k 15 - DDC_SCL DDC clock j 16 - DDC_SDA DDC data jk 17 - Ground Gnd H 18 - +5V j 19 - HPD Hot Plug Detect j 20 - Ground Gnd H

7 - HDMI 3: Digital Video - In, Digital Audio with ARC In/Out

Figure 2-5 HDMI (type A) connector

1 -D2+ Data channel j 2-Shield Gnd H 3 -D2- Data channel j 4 -D1+ Data channel j 5-Shield Gnd H 6 -D1- Data channel j 7 -D0+ Data channel j 8-Shield Gnd H 9 -D0- Data channel j 10 - CLK+ Data channel j 11 - Shield Gnd H 12 - CLK- Data channel j 13 - Easylink/CEC Control channel jk 14 - ARC Audio Return Channel k 15 - DDC_SCL DDC clock j 16 - DDC_SDA DDC data jk 17 - Ground Gnd H 18 - +5V j 19 - HPD Hot Plug Detect j

1 -Video Red 0.7 V

/ 75 W j

2 -Video Green 0.7 V

/ 75 W j

3 -Video Blue 0.7 V

/ 75 W j 4-n.c. 5 -Ground Gnd H 6 - Ground Red Gnd H 7 - Ground Green Gnd H 8 - Ground Blue Gnd H 9-+5V

+5 V j 10 - Ground Sync Gnd H 11 - Ground Red Gnd H 12 - DDC_SDA DDC data j 13 - H-sync 0 - 5 V j 14 - V-sync 0 - 5 V j 15 - DDC_SCL DDC clock j

11 - HDMI 1: Digital Video - In, Digital Audio with ARC In/Out

Figure 2-7 HDMI (type A) connector

1 -D2+ Data channel j 2 -Shield Gnd H 3 -D2- Data channel j 4 -D1+ Data channel j 5 -Shield Gnd H 6 -D1- Data channel j 7 -D0+ Data channel j 8 -Shield Gnd H 9 -D0- Data channel j 10 - CLK+ Data channel j 11 - Shield Gnd H 12 - CLK- Data channel j 13 - Easylink/CEC Control channel jk 14 - ARC Audio Return Channel k 15 - DDC_SCL DDC clock j 16 - DDC_SDA DDC data jk 17 - Ground Gnd H 18 - +5V j

10000_017_090121.eps

090428

18 2

10000_017_090121.eps

090428

18 2

Precautions, Notes, and Abbreviation List

EN 5TPS14.4A LA 3.

3. Precautions, Notes, and Abbreviation List

Index of this chapter:

3.1 Safety Instructions

3.2 Warnings

3.3 Notes

3.4 Abbreviation List

3.1 Safety Instructions

Safety regulations require the following during a repair:

• Connect the set to the Mains/AC Power via an isolation transformer (> 800 VA).

• Replace safety components, indicated by the symbol h, only by components identical to the original ones. Any other component substitution (other than original type) may increase risk of fire or electrical shock hazard.

Safety regulations require that after a repair, the set must be returned in its original condition. Pay in particular attention to the following points:

• Route the wire trees correctly and fix them with the mounted cable clamps.

• Check the insulation of the Mains/AC Power lead for external damage.

• Check the strain relief of the Mains/AC Power cord for proper function.

• Check the electrical DC resistance between the Mains/AC Power plug and the secondary side (only for sets that have a Mains/AC Power isolated power supply):

1. Unplug the Mains/AC Power cord and connect a wire

between the two pins of the Mains/AC Power plug.

2. Set the Mains/AC Power switch to the “on” position

(keep the Mains/AC Power cord unplugged!).

3. Measure the resistance value between the pins of the

Mains/AC Power plug and the metal shielding of the tuner or the aerial connection on the set. The reading should be between 4.5 M and 12 M.

4. Switch “off” the set, and remove the wire between the

two pins of the Mains/AC Power plug.

• Check the cabinet for defects, to prevent touching of any inner parts by the customer.

3.2 Warnings

3.3.2 Schematic Notes

• All resistor values are in ohms, and the value multiplier is often used to indicate the decimal point location (e.g. 2K2 indicates 2.2 k).

• Resistor values with no multiplier may be indicated with either an “E” or an “R” (e.g. 220E or 220R indicates 220 ).

• All capacitor values are given in micro-farads (10

-6

nano-farads (n 10

-9

), or pico-farads (p 10

-12

• Capacitor values may also use the value multiplier as the decimal point indication (e.g. 2p2 indicates 2.2 pF).

• An “asterisk” (*) indicates component usage varies. Refer to the diversity tables for the correct values.

• The correct component values are listed on the Philips Spare Parts Web Portal.

3.3.3 Spare Parts

For the latest spare part overview, consult your Philips Spare Part web portal.

3.3.4 BGA (Ball Grid Array) ICs

Introduction

For more information on how to handle BGA devices, visit this URL: http://www.atyourservice-magazine.com

. Select “Magazine”, then go to “Repair downloads”. Here you will find Information on how to deal with BGA-ICs.

BGA Temperature Profiles

For BGA-ICs, you must use the correct temperature-profile. Where applicable and available, this profile is added to the IC Data Sheet information section in this manual.

3.3.5 Lead-free Soldering

Due to lead-free technology some rules have to be respected by the workshop during a repair:

• Use only lead-free soldering tin. If lead-free solder paste is

required, please contact the manufacturer of your soldering

Precautions, Notes, and Abbreviation List

EN 6 TPS14.4A LA3.

result in sets which have the same CTN (Commercial Type Number; e.g. 28PW9515/12) but which have a different B.O.M. number. By looking at the third digit of the serial number, one can identify which B.O.M. is used for the TV set he is working with. If the third digit of the serial number contains the number “1” (example: AG1B033500001), then the TV set has been manufactured according to B.O.M. number 1. If the third digit is a “2” (example: AG2B0335000001), then the set has been produced according to B.O.M. no. 2. This is important for ordering the correct spare parts! For the third digit, the numbers 1...9 and the characters A...Z can be used, so in total: 9 plus 26= 35 different B.O.M.s can be indicated by the third digit of the serial number.

Identification: The bottom line of a type plate gives a 14-digit serial number. Digits 1 and 2 refer to the production centre (e.g. SN is Lysomice, RJ is Kobierzyce), digit 3 refers to the B.O.M. code, digit 4 refers to the Service version change code, digits 5 and 6 refer to the production year, and digits 7 and 8 refer to production week (in example below it is 2010 week 10 / 2010 week 17). The 6 last digits contain the serial number.

6 = play 16 : 9 format, 12 = play 4 : 3 format

AARA Automatic Aspect Ratio Adaptation:

algorithm that adapts aspect ratio to remove horizontal black bars; keeps the original aspect ratio

ACI Automatic Channel Installation:

algorithm that installs TV channels directly from a cable network by

means of a predefined TXT page ADC Analogue to Digital Converter AFC Automatic Frequency Control: control

signal used to tune to the correct

frequency AGC Automatic Gain Control: algorithm that

controls the video input of the feature

box AM Amplitude Modulation AP Asia Pacific AR Aspect Ratio: 4 by 3 or 16 by 9 ASF Auto Screen Fit: algorithm that adapts

aspect ratio to remove horizontal black

bars without discarding video

information ATSC Advanced Television Systems

Committee, the digital TV standard in

the USA ATV See Auto TV Auto TV A hardware and software control

system that measures picture content,

and adapts image parameters in a

dynamic way AV External Audio Video AVC Audio Video Controller AVIP Audio Video Input Processor B/G Monochrome TV system. Sound

carrier distance is 5.5 MHz BDS Business Display Solutions (iTV) BLR Board-Level Repair BTSC Broadcast Television Standard

Committee. Multiplex FM stereo sound

system, originating from the USA and

used e.g. in LATAM and AP-NTSC

countries

Precautions, Notes, and Abbreviation List

EN 7TPS14.4A LA 3.

DRAM Dynamic RAM DRM Digital Rights Management DSP Digital Signal Processing DST Dealer Service Tool: special remote

control designed for service technicians

DTCP Digital Transmission Content

Protection; A protocol for protecting digital audio/video content that is traversing a high speed serial bus,

such as IEEE-1394 DVB-C Digital Video Broadcast - Cable DVB-T Digital Video Broadcast - Terrestrial DVD Digital Versatile Disc DVI(-d) Digital Visual Interface (d= digital only) E-DDC Enhanced Display Data Channel

(VESA standard for communication

channel and display). Using E-DDC,

the video source can read the EDID

information form the display. EDID Extended Display Identification Data

(VESA standard) EEPROM Electrically Erasable and

Programmable Read Only Memory EMI Electro Magnetic Interference EPG Electronic Program Guide EPLD Erasable Programmable Logic Device EU Europe EXT EXTernal (source), entering the set by

SCART or by cinches (jacks) FDS Full Dual Screen (same as FDW) FDW Full Dual Window (same as FDS) FLASH FLASH memory FM Field Memory or Frequency

Modulation FPGA Field-Programmable Gate Array FTV Flat TeleVision Gb/s Giga bits per second G-TXT Green TeleteXT H H_sync to the module HD High Definition HDD Hard Disk Drive HDCP High-bandwidth Digital Content

Protection: A “key” encoded into the

a maximum data rate of 270 Mbit/s, with a minimum bandwidth of 135 MHz.

iTV Institutional TeleVision; TV sets for

hotels, hospitals etc.

LS Last Status; The settings last chosen

by the customer and read and stored in RAM or in the NVM. They are called at start-up of the set to configure it according to the customer's

preferences LATAM Latin America LCD Liquid Crystal Display LED Light Emitting Diode L/L' Monochrome TV system. Sound

carrier distance is 6.5 MHz. L' is Band

I, L is all bands except for Band I LPL LG.Philips LCD (supplier) LS Loudspeaker LVDS Low Voltage Differential Signalling Mbps Mega bits per second M/N Monochrome TV system. Sound

carrier distance is 4.5 MHz MHEG Part of a set of international standards

related to the presentation of

multimedia information, standardised

by the Multimedia and Hypermedia

Experts Group. It is commonly used as

a language to describe interactive

television services MIPS Microprocessor without Interlocked

Pipeline-Stages; A RISC-based

microprocessor MOP Matrix Output Processor MOSFET Metal Oxide Silicon Field Effect

Transistor, switching device MPEG Motion Pictures Experts Group MPIF Multi Platform InterFace MUTE MUTE Line MTV Mainstream TV: TV-mode with

Consumer TV features enabled (iTV) NC Not Connected NICAM Near Instantaneous Compounded

Audio Multiplexing. This is a digital

Precautions, Notes, and Abbreviation List

EN 8 TPS14.4A LA3.

PFC Power Factor Corrector (or

Pre-conditioner) PIP Picture In Picture PLL Phase Locked Loop. Used for e.g.

FST tuning systems. The customer

can give directly the desired frequency POD Point Of Deployment: a removable

CAM module, implementing the CA

system for a host (e.g. a TV-set) POR Power On Reset, signal to reset the uP PSDL Power Supply for Direct view LED

backlight with 2D-dimming PSL Power Supply with integrated LED

drivers PSLS Power Supply with integrated LED

drivers with added Scanning

functionality PTC Positive Temperature Coefficient,

non-linear resistor PWB Printed Wiring Board (same as “PCB”) PWM Pulse Width Modulation QRC Quasi Resonant Converter QTNR Quality Temporal Noise Reduction QVCP Quality Video Composition Processor RAM Random Access Memory RGB Red, Green, and Blue. The primary

color signals for TV. By mixing levels

of R, G, and B, all colors (Y/C) are

reproduced. RC Remote Control RC5 / RC6 Signal protocol from the remote

control receiver RESET RESET signal ROM Read Only Memory RSDS Reduced Swing Differential Signalling

data interface R-TXT Red TeleteXT SAM Service Alignment Mode S/C Short Circuit SCART Syndicat des Constructeurs

d'Appareils Radiorécepteurs et

Téléviseurs SCL Serial Clock I

SCL-F CLock Signal on Fast I

C bus

SXGA 1280 × 1024 TFT Thin Film Transistor THD Total Harmonic Distortion TMDS Transmission Minimized Differential

Signalling TS Transport Stream TXT TeleteXT TXT-DW Dual Window with TeleteXT UI User Interface uP Microprocessor UXGA 1600 × 1200 (4:3) V V-sync to the module VESA Video Electronics Standards

Association VGA 640 × 480 (4:3) VL Variable Level out: processed audio

output toward external amplifier VSB Vestigial Side Band; modulation

method WYSIWYR What You See Is What You Record:

record selection that follows main

picture and sound WXGA 1280 × 768 (15:9) XTAL Quartz crystal XGA 1024 × 768 (4:3) Y Luminance signal Y/C Luminance (Y) and Chrominance (C)

signal YPbPr Component video. Luminance and

scaled color difference signals (B-Y

and R-Y) YUV Component video

Mechanical Instructions

EN 9TPS14.4A LA 4.

4. Mechanical Instructions

Index of this chapter:

4.1 Cable Dressing

4.2 Service Positions

4.3 Assembly/Panel Removal (for 55PFH6009/96)

4.4 Assembly/Panel Removal (for 42"/50"PFH5009 series)

4.5 Set Re-assembly

Notes:

• Figures below can deviate slightly from the actual situation, due to the different set executions.

4.1 Cable Dressing

19741_100.eps

CN403

CN701

CN8101

CN9101

CN601

CN401

CN103

MAIN POWER SUPPLY

(1054)

SSB

(1053)

ECN701

ECN401

ECN403

ECN103

ECN601

LOUDSPEAKER

(1184)

LOUDSPEAKER

(1184)

IR/LED BOARD

(1056)

KEYBOARD CONTROL

(1057)

CN01

ECN401

WIFI Module

(WiFi01)

Mechanical Instructions

EN 10 TPS14.4A LA4.

Figure 4-2 Cable dressing (5009 series 50")

19741_101.eps

CN403

CN701

CN8101

CN9301

CN601

CN401

CN103

MAIN POWER SUPPLY

(1054)

SSB

(1053)

ECN701

ECN601

ECN401

ECN403

ECN103

ECN601

ECN401

LOUDSPEAKER

(1184)

LOUDSPEAKER

(1184)

IR/LED BOARD

(1056)

KEYBOARD CONTROL

(1057)

CN01

ECN401

WIFI Module

(WiFi01)

Mechanical Instructions

EN 11TPS14.4A LA 4.

4.2 Service Positions

For easy servicing of a TV set, the set should be put face down on a soft flat surface, foam buffers or other specific workshop tools. Ensure that a stable situation is created to perform measurements and alignments. When using foam bars take care that these always support the cabinet and never only the display. Caution: Failure to follow these guidelines can seriously damage the display! Ensure that ESD safe measures are taken.

4.3 Assembly/Panel Removal (for 55PFH6009/96)

Instructions below apply to the 55PFH6009/96.

4.3.1 Rear Cover

Refer to Figure 4-4

for details. Warning: Disconnect the mains power cord before removing the rear cover.

1. Remove fixation screws [1] that secure the base assy, pull

out the base assy from the set. Then remove the fixation screws [2], [3] and [4] that secure the rear cover. Refer to

Figure 4-4

for details.

2. Gently lift the rear cover from the TV. Make sure that wires

and cables are not damaged while lifting the rear cover from the set.

M4 × 10

M3× 6

Q3 × 8

Q4 × 10

Mechanical Instructions

EN 12 TPS14.4A LA4.

4.3.2 AmbiLight Panel

Refer to Figure 4-5

for details.

1. Gently release the clamps and unplug the two connectors [1,2] that secure the ambilight panels. Release the clips

from the FFC connector that connect with the AmbiLight control panel [3].

2. Lift the AmbiLight panel from the rear cover. Make sure that wires and flat foils are not damaged while lifting the ambilight panel from the rear cover.

Figure 4-5 Ambilight Panel removal

4.3.3 Small Signal Board (SSB)

19740_102.eps

Mechanical Instructions

EN 13TPS14.4A LA 4.

4.3.4 Power Supply Unit (PSU)

Caution: it is mandatory to remount all different screws at their

original position during re-assembly. Failure to do so may result in damaging the PSU.

1. Gently unplug all connectors from the PSU.

2. Remove all fixation screws from the PSU.

3. The PSU can be taken out of the set now.

4.3.5 Speakers

1. Gently release the tapes that secures the speaker cables.

2. Unplug the speaker connectors from the SSB.

3. Take the speakers out. When defective, replace the both units.

4.3.6 Keyboard Control unit

1. Unplug the connector from the keyboard control panel.

2. Gently push inwards the two clips at the PSU side of the unit. Release the unit at the PSU side and turn it away from the PSU. Now push it towards the PSU to release the catches at the other side of the unit. Take it out from the metal bracket.

When defective, replace the whole unit.

4.3.7 Stand bracket

1. Remove all fixation screws of the bracket.

2. Lift the bracket from the set.

4.3.8 IR/LED Panel

1. Remove the stand bracket, as described earlier.

2. Remove fixation screw that secure the deco rear cover and take it out from the deco.

3. Unplug the connector from the IR/LED panel.

4. Gently release the double faced adhesive tape that pasted the panel and take it out from the deco.

When defective, replace the whole unit.

4.3.9 WIFI module

4.4.1 Stand

Refer to Figure 4-7

for details.

1. Remove the fixation screws [1] that secure the stand bracket. Refer to Figure 4-7

for details.

2. Take the stand bracket out from the set.

Mechanical Instructions

EN 14 TPS14.4A LA4.

Figure 4-7 Stand removal

4.4.2 Rear Cover

Refer to Figure 4-8

for details. Warning: Disconnect the mains power cord before removing the rear cover.

19741_103.eps

M4× 16

Mechanical Instructions

EN 15TPS14.4A LA 4.

Figure 4-8 Rear cover removal

4.4.3 Keyboard Control Unit

Refer to Figure 4-9

for details.

1. Release the connector [2] from the keyboard control panel. Caution: be careful, as these are very fragile connectors!

19741_102.eps

M3× 8

M3 × 6

Q3 × 8

Mechanical Instructions

EN 16 TPS14.4A LA4.

Figure 4-9 Keyboard Control unit removal

4.4.4 Small Signal Board (SSB)

Refer to Figure 4-10

for details. Caution: it is mandatory to remount all different screws at their original position during re-assembly. Failure to do so may result

19741_104.eps

Mechanical Instructions

EN 17TPS14.4A LA 4.

4.4.6 Speakers

1. Gently release the tapes that secure the speaker cables.

2. Unplug the speaker connector from the SSB.

3. Take the speakers out. When defective, replace the both units.

4.4.7 IR/LED Board

1. Remove the stand bracket as described earlier.

2. Gently release the clips that hold the board and take it out from the bezel.

3. Unplug both the connectors from the IR/LED board.

When defective, replace the whole unit.

4.4.8 LCD Panel

1. Remove the SSB as described earlier.

2. Remove the PSU as described earlier.

3. Remove the keyboard control panel as described earlier.

4. Remove the stand bracket as described earlier.

5. Remove the IR/LED as described earlier.

6. Remove the fixations screws that fix the metal clamps to the front bezel. Take out those clamps.

7. Remove all other metal parts not belonging to the panel.

8. Lift the LCD Panel from the bezel.

When defective, replace the whole unit.

4.5 Set Re-assembly

To re-assemble the whole set, execute all processes in reverse order.

Notes:

• While re-assembling, make sure that all cables are placed and connected in their original position. See Figure 4-1

Figure 4-3

• Pay special attention not to damage the EMC foams on the SSB shields. Ensure that EMC foams are mounted correctly.

Service Modes and Fault Finding

EN 18 TPS14.4A LA5.

5. Service Modes and Fault Finding

Index of this chapter:

5.1 Test Points

5.2 Service Modes

5.3 Stepwise Start-up

5.4 Software Upgrading

5.5 Fault Finding and Repair Tips

5.1 Test Points

As most signals are digital, it will be difficult to measure waveforms with a standard oscilloscope.

Perform measurements under the following conditions:

• Service Default Mode.

• Video: Colour bar signal.

• Audio: 3 kHz left, 1 kHz right.

5.2 Servi ce Modes

The Service Mode feature is split into five parts:

• Factory Mode.

The Factory mode offer features, which can be used by the Service engineer to repair/align a TV set. Some features are:

• Make alignments (e.g. White Tone), reset the error buffer (Factory Mode).

Note: For the new model range, a new remote control (RC) is used with some renamed buttons. This has an impact on the activation of the Service modes. For instance the old “MENU” button is now called “HOME” (or is indicated by a “house” icon).

5.2.1 Contents of the Factory mode:

Purpose

• To perform extended alignments.

Specifications

• Displaying and or changing Panel ID information.

• Various software alignment settings.

• Testpattern displaying.

• Public Broadcasting Service password Reset.

•etc.

How to Activate the Factory mode

To activate the Factory mode, use the following method:

• Press the following key sequence on the remote control transmitter: from the “Home screen” press “1999”, directly followed by the “Back” button. Do not allow the display to time out between entries while keying the sequence.

After entering the Factory mode, the following items are displayed,

Table 5-1 Factory mode overview

Item Item value

Default value

Description42" 50" 55"

0 Brand Philips-TWN Philips-TWN Brand name 1 Model 42PFH5009/96 50PFH5009/96 55PFH6009/96 Model name 2HW Ver Hardware Version 3 SW Ver 2.00_20140703_16

14_42

2.00_20140703_17 16_50

2.14_20140416_1931Software Version

4 Date The Jul 3 16:27:03

CST 2014

The Jul 3 17:22:04 CST 2014

Wed Apr 16 19:41:58 CST 2014

Software release date

5 Scaler Scaler model 6 Tuner Tuner 7 Panel LCA420HVN06AD

LCM500J1PE8AC2

LCA550HVN01AD6

Display Panel model

Service Modes and Fault Finding

EN 19TPS14.4A LA 5.

5.3 Stepwise Start-up

19080_206_110323.eps

Power Off

Standby Soft Mode

Power On

Semi- Standby

Standby

Switch

Off(Mains Power Plug)

Standby Soft Mode Command Received, previously in Standby

Soft Mode (Power tact switch)

TV Wakeup commands Received (TV Wakeup keys)

Digital background tasks started

Digital background tasks completed

Swith On, previously in

Standby/Semi- Standby (Mains Power Plug)

Standby Soft Mode

Command Received (Power tact

switch)

Switch Off (Mains Power Plug)

Switch Off

(Mains Power Plug)

Swith On, previously in Standby Soft Mode (Mains Power Plug)

Standby commands

Received (RC

Standby key)

Standby Soft Mode

Command Received, previously in Standby Soft Mode (Power tact switch)

TV Wakeup commands Received (TV Wakeup keys)

Switch On, previously in Power On Mode (Power tact switch)

Standby Soft Mode Command Received, (Power tact switch)

Switch Off (Mains Power Plug)

Switch On,previously in TV Operation Mode (Mains Power Plug)

Service Modes and Fault Finding

EN 20 TPS14.4A LA5.

5.4.5 Update the TV software

1. Turn the TV on and wait for it to boot completely.

2. Insert the USB memory stick that contains the software update files in one of the TV’s USB ports.

3. The TV will detect the USB memory stick automatically. Then a window jumps out as Figure 5-2

. Note: If the USB flash drive is not detected after power up, disconnect it and re-insert it. And no change the software name.

4. Select [Confirm] and press OK to start software updates. See Figure 5-2

5. Upgrading will now begins and the status of the updating progress will be displayed. See Figure 5-3

6. When the TV software is updated. Remove your USB flash drive, and the TV will turn on automatically.

Figure 5-2 Update the TV software [1/2]

• FUS_clustername_version.zip: Contains the “autorun.bin” which is needed to upgrade the TV main software and the software download application.

• NVM_clustername_version.zip: Default NVM content. Must be programmed via ComPair.

5.4.7 How to Copy NVM Data to/from USB

When copying data to and from a USB memory stick, the folder “repair” is used. When inserting an empty USB memory stick, and downloading data to the stick, the TV will create this folder. When sending data from a USB memory stick to a TV, the intended data must be available in the “repair” folder. Note that when copying EDID data to the TV, all necessary EDID files must be in this folder. Service mode overview for your reference.

5.5 Fault Finding and Repair Tips

Note:

• It is assumed that the components are mounted correctly with correct values and no bad solder joints.

• Before any fault finding actions, check if the correct options are set.

5.5.1 No Picture via HDMI input

Check if HDCP key is valid. This can be done in CSM.

5.5.2 TV Will Not Start-up from Stand-by

Possible Stand-by Controller failure. Re-flash the software.

5.5.3 Audio Amplifier

The Class D-IC U602 has a powerpad for cooling. When the IC is replaced it must be ensured that the powerpad is very well pushed to the PWB while the solder is still liquid. This is needed to insure that the cooling is guaranteed, otherwise the Class D-IC could break down in short time.

5.5.4 Loudspeakers

19452_200_130902.eps

130902

Confirm

Alignments

EN 21TPS14.4A LA 6.

6. Alignments

Index of this chapter:

6.1 General Alignment Conditions

6.2 Reset of Repaired SSB

6.1 General Alignment Conditions

Perform all electrical adjustments under the following conditions:

• Power supply voltage: 90 - 264 V

, 50/ 60  3 Hz.

• Connect the set to the mains via an isolation transformer with low internal resistance.

• Allow the set to warm up for approximately 15 minutes.

• Measure voltages and waveforms in relation to correct ground (e.g. measure audio signals in relation to AUDIO_GND). Caution: It is not allowed to use heat sinks as ground.

• Test probe: R

> 10 M, Ci < 20 pF.

• Use an isolated trimmer/screwdriver to perform alignments.

6.2 Reset of Repaired SSB

A very important issue towards a repaired SSB from a Service repair shop (SSB repair on component level) implies the reset of the NVM on the SSB.

After a repaired SSB has been mounted in the set (set repair on board level), the type number (CTN) and production code of the TV has to be set according to the type plate of the set.

6.2.1 SSB Identification

SSB’s of this chassis are identified by a “715” code on the SSB. 715Axxxx-Nnn-MMM-OOOO

• 715 main category, Printed Wiring Board

• Axxxx sub category, sequential coding number

• Nnn Version code

• N Development number

• nn Production number

• MMM Mounting variation code

• OOOO Optional variation code

Make sure when replacing an SSB the SSB identification codes match the replacement board.

Circuit Descriptions

EN 22 TPS14.4A LA7.

7. Circuit Descriptions

Index of this chapter:

7.1 Introduction

7.2 Power Supply

7.3 DC/DC Converters

7.4 Front-End Analogue ATV reception

7.5 HDMI

7.6 Video and Audio Processing - MSD8560QV

Notes:

•Only new circuits (circuits that are not published recently) are described.

• Figures can deviate slightly from the actual situation, due to different set executions.

• For a good understanding of the following circuit descriptions, please use the wiring, block (see chapter

9. Block Diagrams

) and circuit diagrams (see chapter

10. Circuit Diagrams and PWB Layouts

).Where necessary,

you will find a separate drawing for clarification.

7.1 Introduction

The TPS14.4A LA is a new chassis launched in Taiwan in

2014. The whole range is covered by MSD8560QV. The major deltas versus its predecessor support DVB-T/NTSC, with multi-media, Ethernet, Ambilight, WIFI, ARC, MIC, SPDIF Output functionality.

The TPS14.4A LA chassis comes with the following stylings:

• series xxPFH6009xx

• series xxPFH5009xx

7.1.1 Implementation

Key components of this chassis are:

• SCALER MSD8560QV-XZ PBGA-707

• TUNER - TDSH-T070F

• AUDIO WM8782SEDS/RV SSOP-20

• AUDIO AD82588B-LG48NAY 2x15W stereo E-LQ

• AUDIO WM8524CGEDT/R / TSSOP-16 4.5V

• FLASH THGBMAG6A2JBAIR 8GB BGA-153

7.1.2 TPS14.4A LA Architecture Overview

For details about the chassis block diagrams refer to chapter 9.

Block Diagrams. An overview architecture can be found in

Figure 9.1

Circuit Descriptions

EN 23TPS14.4A LA 7.

7.1.3 SSB Cell Layout

MSD8560QV

DDR

HDMI

DC/DC

USB

Audio Out

MIC

SPDIF

Circuit Descriptions

EN 24 TPS14.4A LA7.

7.2 Power Supply

Refer to figure Figure 7-2 for the power architecture of this platform.

Figure 7-2 Power Architecture

7.2.1 Power Supply Unit

All power supplies are a block box for Service. When defective, a new board must be ordered and defective one must be returned, unless the main fuse of the board is broken. Always replace a defective fuse with one with the correct specifications. This part is available in the regular market. Consult the Philips Service web portal for the order codes of the

• Output to the display; in case of

- IPB: High voltage to the LCD panel

- PSL and PSLS (LED-driver outputs)

- PSDL (high frequent) AC-current.

7.2.2 Diversity

Display power

Platform MSD8560QV

PFC

Platform power

1 power- PCB

AMP

LVDS AMP

Low stby power

Ac-input + Mains filter

BL-ON/OFF

AC IN

DIM

12V/24V

12V12V

+12V-Audio

Display Interfacing

CN8501 CN8101

CN9901

CN701

19740_201.eps

+ 53 hidden pages

Philips TPS14.4A Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual