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.“
Copyright 2012 by Panasonic Consumer Marketing of North America All rights reserved. Unauthorized copying and distribution is a violation of law.
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.
2

Table of Contents

Subject Page Subject Page
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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Table of Contents

Subject Page Subject Page
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

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
12

WT50 Series

55
TC-L55WT50
TM
VIERA Connect
VIERA Connect
Web Browser
Web Browser
1,920 Backlight Scanning
1,920 Backlight Scanning
Clear Panel Pro
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
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
Easy Operation
Multitasking
Product Support Center
/eHELP
Networking
Networking
VIERA Link™
4 HDMI Terminals
3 USB Terminals
PC Input Terminal
Eco
Eco
Design and Others
Design and Others
13
47
55
TC-L55DT50
TM
VIERA Connect
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
Picture Quality
Web Smoother
2D-3D Conversion*
3D 24p Cinema Smoother
Wide Viewing Angle
3D Real Sound with 8-Train
Speakers
Easy Operation
Easy Operation
Networking
Networking
VIERA Link™
4 HDMI Terminals
3 USB Terminals
PC Input Terminal
Eco
Eco
Web Browser
Web Browser
1,920 Backlight Scanning
1,920 Backlight Scanning
Clear Panel Pro
Clear Panel Pro
Energy Star*
Eco Mode
Narrow Metal Frame
Design and Others
Design and Others
14

ET5 Series

55
TC-L55ET5
VIERA Connect
VIERA Connect
Web Browser
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
Picture Quality
Easy Operation
Easy Operation
Networking
Networking
Eco
Eco
WiFi Built-In
WiFi Built-In
360 Backlight Scanning
360 Backlight Scanning
Energy Star*
Eco Mode
Crystal Frame
Design and Others
Design and Others
15

E50 Series

55
TC-L55E50
TM
VIERA Connect
VIERA Connect
WiFi Ready
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
Picture Quality
Easy Operation
Easy Operation
Networking
Networking
360 Backlight Scanning
360 Backlight Scanning
Wide Viewing Angle
Wide Viewing Angle
Energy Star*
Eco Mode
Eco
Eco
Design and Others
Design and Others
16

E5 Series

47
TC-L47E5
42
TC-L42E5
TM
Online Movies
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
Picture Quality
Easy Operation
Easy Operation
Networking
Networking
SD Photo Gallery
VIERA Link™
4 HDMI Terminals
2 USB Terminals
PC Input Terminal
Eco
Eco
WiFi Ready
WiFi Ready
180 Backlight Scanning*
180 Backlight Scanning*
Wide Viewing Angle
Wide Viewing Angle
AV Surround
1
Only for the L47/42/37E5
Design and Others
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
Picture Quality
Easy Operation
Easy Operation
Networking
Networking
Eco
Eco
Media Player*
Media Player*
(USB Playback/ Photo and Music)
(USB Playback/ Photo and Music)
3 HDMI Terminals
3 HDMI Terminals
PC Input Terminal
PC Input Terminal
1 USB Terminal
1 USB Terminal
AV Surround
Design and Others
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
2
3
2
2
2
1
Picture Quality
Easy Operation
Easy Operation
Networking
Networking
Eco
Eco
2
Media Player
Media Player
Wide Viewing Angle
Wide Viewing Angle
SD Photo Gallery
SD Photo Gallery
3 HDMI Terminals
3 HDMI Terminals
2
2
2
2
2
Design and Others
Design and Others
AV Surround
2
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
Picture Quality
Easy Operation
Easy Operation
Networking
Networking
Eco
Eco
Media Player*
Media Player*
(USB Playback/ Photo and Music)
(USB Playback/ Photo and Music)
2 HDMI Terminals
2 HDMI Terminals
PC Input Terminal
PC Input Terminal
1 USB Terminal
1 USB Terminal
AV Surround
Design and Others
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.
24

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
Copyright Panasonic Corporation 2012
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
25

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.
26

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.
27

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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