Panasonic ET5, DT50, WT50 Schematic

2012 LCD TV Technical Guide

ET5, DT50 and WT50 Series-LCD HD/FHD TV

Applies to models:

TC-L47DT50 TC-L55DT50 TC-L42E50 TC-L47E50 TC-L55E50 TC-L42ET5 TC-L47ET5 TC-L55ET5 TC-L47WT50 TC-L55WT50

Title Page

Panasonic National Training

Panasonic Consumer Marketing Company of North America

TTG120627JM120716

1

Warning

Prepared by

Jean Magloire

Panasonic Consumer marketing Company of North america

National Training

"HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.“

Warning This service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

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Features 6 TC-L47DT50 Board Layout 29 Highlights 7 Stand by/Start-up Operation (P/A board) 30 The New World of Smart VIERA 8 Start up operation 31 Concept of the IPTV World 9 Start up operation _ A board (SUB voltages) 32 Evolution of the IPTV World and Its Future Expansion 10 Start up operation _ A board (OVP circuit) 33 2D-3D Conversion 11 Start up operation _ A board (PNL,FRC voltage) 42 2012 Series/Models 12 TC-L47ET5 Connector Voltages) 44 WT50 Series 13 Video signal processing 45 DT50 Series 14 Video Process 46 ET5 Series 15 TC-L47ET5 Upper LVDS Connector 48 E50 Series 16 Panel Free Run Mode 49 E5 Series 17 Video Process - Difference from last year model 50 U5 Series 18 Panel Drive 51 X5 Series 19 47WT50 & 47DT50 LED Backlight Control 52 C5 Series 20 DT50 LED Backlight Control Connectors 53 3D Eyewear Standardization 21 55WT50 & 55DT50 LED Backlight Control 57 DT50 or WT50 Back Cover and Dongles 23 Troubleshooting Shutdown Problem 59 Bluetooth 24 Troubleshooting SOS Protection Circuit 60 Bluetooth Module & WIFI Module Confirmation 25 Troubleshooting 1 Blink of the Power LED (ET5 Series) 61 Warning about 3D Eyewear 26 Troubleshooting 1 Blink of the Power LED (WT & DT Series) 62 Viewing 3D images 27 Troubleshooting 3 Fast Blinks of the Power LED 64 TC-L42ET5 Board Layout 28 Troubleshooting 7 Blinks of the Power LED 65

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Troubleshooting 9 Blinks of the Power LED (ET 5 Series) 66 Vertical Area Picture Problem 80 Troubleshooting 9 Blinks of the Power LED (DT & WT Series) 67 Vertical Line/Bar Problem 81 Troubleshooting 10 Blinks of the Po wer LED 68 Horizontal Line Picture Problem 82 The Power LED Remains in Standby Mode 69 Non-uniform Color Picture Problem 83 The LED backlight does not turn on 70 Many Vertical Lines Picture Problem 84 3D Method 71 OSD Problem 85 Relation of 3D TV to Eyewear 74 Strange Color Problem 86 TC-L47ET5 Service Mode 75 Data Copy by SD Card 87 How to Enter the Service Mode’s SRV-TOOL 76 Data Copy Preparation 88 TC-L47ET5 How to Enter the Self-check Mode 77 Data Copy from the TV to SD Card 89 Troubleshooting Picture Problem 78 Data Copy from the SD Card to TV 90 Horizontal Area Picture Problem 79 Glossary (1) 91

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Topics

1. Features

2. Start-up Operation

A) Stand by Operation B) Power On Operation C) Voltage Distribution

3. Signal process Circuit A) Video Signal B) Audio Signal

4. SOS Detect

5. Service Notes A) Service Mode B) SRV-TOOL C) Self check

6. Troubleshooting

7. Data Copy Function (SD card)

7. Glossary

5

Features

6

Highlights

7

The New World of Smart VIERA

8

Concept of the IPTV World

9

Evolution of the IPTV World and Its Future Expansion

10

2D-3D Conversion

11

2012 Series/Models

Series/Size 55” 47” 42” 37” 32” 24”

WT50 Series

LED -FHD-3D

DT50 Series

LED-FHD-3D

ET5 Series

LED-FHD–3D

E50 Series

LED-FHD

E5 Series

LED-FHD

U5 Series

CCFL-FHD

X5 Series

LED-HD

C5 Series

CCFL-HD

TC-L55WT50 TC-L47WT50

TC-L55DT50 TC-L47DT50

TC-L55ET5 TC-L47ET5 TC-L42ET5

TC-L55E50 TC-L47E50 TC-L42E50

TC-L47E5 TC-L42E5 TC-L37E5 TC-L32E5

TC-L42U5

TC-L32X5 TC-L24X5

FHD

TC-L32C5

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WT50 Series

55

TC-L55WT50

TM

VIERA Connect

Web Browser

1,920 Backlight Scanning

Clear Panel Pro

47

TC-L47WT50

Included Accessories

VIERA Touch Pad Controller

• VIERA Connect

• Web Browser

• WiFi Built-In

• DLNA

• Game Mode

• 3D Media Player*

• SD Photo Gallery

• Progressive FULL HD

3DTM*

• IPS LED LCD Panel

• 1,920 Backlight Scanning

• Clear Panel Pro

• 1,080p Pure Direct

• Pure Image Creation

• Vivid Color Creation

• VIERA remote App Support

• VIERA Touch Pad

Controller Included

• Energy Star*

•Eco Mode

• Super-Narrow Metal Frame

with Crescent Stand

Picture Quality

• Web Smoother

• 2D-3D Conversion*

• 3D 24p Cinema Smoother

• ISFccc Calibration Mode*

• Wide Viewing Angle

• 3D Real Sound with 8-Train

Speakers

Easy Operation

• Multitasking

• Product Support Center

/eHELP

Networking

• VIERA Link™

• 4 HDMI Terminals

• 3 USB Terminals

• PC Input Terminal

Eco

Design and Others

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47

55

TC-L55DT50

TM

VIERA Connect

TC-L47DT50

DT50 Series

• Progressive FULL HD

3DTM*

• IPS LED LCD Panel

• 1,920 Backlight Scanning

• Clear Panel Pro

• Vivid Color Creation

• VIERA remote App Support

• Product Support Center / eHELP

• VIERA Connect

• Web Browser

• WiFi Built-In

• DLNA

• Game Mode

• 3D Media Player*

• SD Photo Gallery

Picture Quality

• Web Smoother

• 2D-3D Conversion*

• 3D 24p Cinema Smoother

• Wide Viewing Angle

• 3D Real Sound with 8-Train

Speakers

Easy Operation

Networking

• VIERA Link™

• 4 HDMI Terminals

• 3 USB Terminals

• PC Input Terminal

Eco

Web Browser

1,920 Backlight Scanning

Clear Panel Pro

• Energy Star*

•Eco Mode

• Narrow Metal Frame

Design and Others

14

ET5 Series

55

TC-L55ET5

VIERA Connect

Web Browser

47

TC-L47ET5

TM

42

TC-L42ET5

Included Accessories

Four pairs of 3D Eyewear

(Polarized 3D)

TM

• 3D

• IPS LED LCD Panel

• 360 Backlight Scanning

• Clear Panel

• Vivid Color Creation

• 2D-3D Conversion*

• 3D 24p Cinema Smoother

• Wide Viewing Angle

• 3D Real Sound

• VIERA remote App Support

• Product Support Center / eHELP

• VIERA Connect

• Web Browser

• WiFi Built-In

• DLNA

• Game Mode

• 3D Media Player*

• SD Photo Gallery

with Polarized 3D

• VIERA Link™

• 4 HDMI Terminals

• 2 USB Terminals

• PC Input Terminal

Picture Quality

Easy Operation

Networking

Eco

WiFi Built-In

360 Backlight Scanning

• Energy Star*

•Eco Mode

• Crystal Frame

Design and Others

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E50 Series

55

TC-L55E50

TM

VIERA Connect

WiFi Ready

47

TC-L47E50

42

TC-L42E50

• FULL HD

• IPS LED LCD Panel

• 360 Backlight Scanning

• Clear Panel

• Vivid Color Creation

• 24p Cinema Smoother

• Wide Viewing Angle

• 3D Real Sound

• VIERA remote App Support

• Product Support Center / eHELP

• VIERA Connect

• WiFi Ready

• DLNA

• Game Mode

• Media Player*

• SD Photo Gallery

• VIERA Link™

• 4 HDMI Terminals

• 2 USB Terminals

• PC Input Terminal

Picture Quality

Easy Operation

Networking

360 Backlight Scanning

Wide Viewing Angle

• Energy Star*

•Eco Mode

Eco

Design and Others

16

E5 Series

47

TC-L47E5

42

TC-L42E5

TM

Online Movies

37 32

TC-L37E5 TC-L32E5

• FULL HD

• IPS LED LCD Panel

• 180 Backlight Scanning

• Clear Panel

• Vivid Color Creation

• Wide Viewing Angle

• 3D Real Sound

• VIERA remote App Support

• Online Movies

• WiFi Ready

• DLNA

• Game Mode

• Media Player*

• Energy Star*

•Eco Mode

1

Picture Quality

Easy Operation

Networking

• SD Photo Gallery

• VIERA Link™

• 4 HDMI Terminals

• 2 USB Terminals

• PC Input Terminal

Eco

WiFi Ready

180 Backlight Scanning*

Wide Viewing Angle

• AV Surround

1

Only for the L47/42/37E5

Design and Others

17

42

TC-L42U5

U5 Series

• FULL HD

• 24p Playback

• Simple Remote Control

• Game Mode

• Media Player*

(USB Playback/ Photo and Music)

• 3 HDMI Terminals

• 1 USB Terminal

• PC Input Terminal

• Eco Mode

Picture Quality

Easy Operation

Networking

Eco

Media Player*

(USB Playback/ Photo and Music)

3 HDMI Terminals

PC Input Terminal

1 USB Terminal

• AV Surround

Design and Others

18

X5 Series

Picture Quality

32

TC-L32X5

TM

24

TC-L24X5

• FULL HD

• IPS LED LCD Panel

• 24p Playback

• Wide Viewing Angle

• Simple Remote Control

• Game Mode

• Media Player

• SD Photo Gallery

• 3 HDMI Terminals

• 1 USB Terminal

• PC Input Terminal

• Energy Star

• Eco Mode

1

2

3

2

1

Picture Quality

Easy Operation

Networking

Eco

2

Media Player

Wide Viewing Angle

SD Photo Gallery

3 HDMI Terminals

2

Design and Others

• AV Surround

2

1

Only for the L24X5

2

Only for the L32X5

3

L24X5 is only USB Memory

19

32

TC-L32C5

C5 Series

• HD Panel

• 24p Playback

• Simple Remote Control

• Game Mode

• Media Player*

(USB Playback/ Photo and Music)

• 2 HDMI Terminals

• 1 USB Terminal

• PC Input Terminal

• Eco Mode

Picture Quality

Easy Operation

Networking

Eco

Media Player*

(USB Playback/ Photo and Music)

2 HDMI Terminals

PC Input Terminal

1 USB Terminal

• AV Surround

Design and Others

20

2012 3D Eyewear

21

3D Eyewear Standardization

22

DT50 or WT50 Back Cover and Dongles

WIFI Dongle

Bluetooth Dongle

23

Bluetooth

The 3D eyewear used on the 2012 TVs support Bluetooth wireless technology.

Standard Compliance Bluetooth® 3.0 Frequency Range 2.402GHz~2.480GHz

Web Browser

The Web Browser supports HTML5 pages.

You can browse the internet much like you do with a PC.

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Bluetooth Module & WIFI Module Confirmation

Self-check Screen

SELF-CHECK

PEAKS OK TUN OK STBY OK MEM1 OK MEM2 OK ZWEI OK ID OK HDMI-SW OK

BT 01 WIFI ___

SOS: 01

0A

1.030 – 00.12.0846

Cell Phone Usage

A cell phone may be used to detect the TV’s Bluetooth transmission. The name “Panasonic Viera” is displayed on the cell phone when the 3D Bluetooth signal is discovered.

Note: Not all iPhones and smartphones are capable of discovering the Panasonic Bluetooth signal. The self-check procedure on the left is most reliable.

To access the self-check screen, simultaneously hold down the Volume Down button of the TV and the OK button on the remote control for a few seconds.

The absence of the Bluetooth and WIFI module are indicated as follows:

Bluetooth = Error 01 in Red WIFI = Long dash in red

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Warning about 3D Eyewear

Do not use 3D bluetooth transmission in hospital or other medical facilities.

Radio waves from 3D bluetooth transmission may cause interference of medical equipments.

Do not use 3D bluetooth transmission nearby automatic control equipments, like a automatic door, a fire alarm apparatus, etc.

Radio waves from 3D bluetooth transmission may cause interference of automatic control equipments.

Keep 3D bluetooth transmission more than 22 cm (9 in.) away from the implant of cardiac pacemaker, or similar implantable medical equipments, at all times.

Radio waves from 3D bluetooth transmission may affect implantable cardiac pacemaker or similar equipment operations.

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Viewing 3D images

Types of 3D signal that can be displayed by this TV

1. A 3D Blu-ray disc, played on 3D capable Blu-ray player/recorder

that is connected via HDMI cable.

2. 3D TV broadcast (program)

3. 3D Photo and 3D Movie taken by LUMIX/Camcorder.

4. 3D game played on 3D capable video game console, connected

via HDMI cable.

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TC-L42ET5 Board Layout

Board Name Function

GK-Board Power Switch, Key P-Board Power Supply K-Board Remote Receiver , LED, Cat's eye A-Board Main Board

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Panasonic ET5, DT50, WT50 Schematic

Title Page

Warning

Table of Contents

Table of Contents

Topics

Features

Highlights

The New World of Smart VIERA

Concept of the IPTV World

Evolution of the IPTV World and Its Future Expansion

2D-3D Conversion

2012 Series/Models

WT50 Series

DT50 Series

ET5 Series

E50 Series

E5 Series

U5 Series

X5 Series

C5 Series

2012 3D Eyewear

3D Eyewear Standardization

DT50 or WT50 Back Cover and Dongles

Bluetooth

Bluetooth Module & WIFI Module Confirmation

Warning about 3D Eyewear

Viewing 3D images

TC-L42ET5 Board Layout