Panasonic Viera TX-L32E30B User manual

Service Manual

LCD Television

TX-L32E30B

TX-L32E30Y

TX-L37E30B

TX-L37E30Y

LA18 Chassis

Specifications

(Information in brackets [ ] refers to model 32”)

Power Source: 220-240V AC, 50 / 60Hz

Rated Power Consumption: 85W [72W]

Stand-by Power Consumption: 0.3W (Without monitor out recording)

14W (With monitor out recording)

Aerial Impedance: 75unbalanced, Coaxial Type

Receiving System: E30B ( UK )

PAL-I

PAL-525/60 (AV only)

DVB-T/T2 Digital terrestrial services via UHF aerial input (MPEG2 and MPEG4-AVC(H.264))

M.NTSC (AV only)

NTSC (AV only)

E30B ( Ireland )

PAL-I

PAL-525/60 (AV only)

M.NTSC (AV only)

NTSC (AV only)

DVB-T Digital terrestrial services (MPEG2 and MPEG4-AVC(H.264))

E30Y

PAL-I/H, B/G, D/K

SECAM B/G, D/K, L/L’

PAL-525/60 (AV only)

M.NTSC (AV only)

NTSC (AV only)

DVB-T/T2 (Digital Terrestrial Services (MPEG2 and MPEG4-AVC(H.264))

DVB-C (Digital cable services (MPEG2 and MPEG4-AVC(H.264))

Unauthorized copying and

distribution is a violation of law.

ORDER No. PCZ1102006CE

Receiving Chanels: E30B ( UK ) E30B ( Ireland )

UHF E21-E68 VHF A-J UHF E21-E69

CATV S1-S20 CATV S21-S41(Hyperband)

E30Y

VHF E2-E12 VHF H1-H2 ( ITALY )

VHF A-H ( ITALY ) UHF E21-E69

CATV (S01-S05) CATV S1-S10(M1-M10)

CATV S11-S20 (U1-U10) CATV S21-S41 (HYPERBAND)

VHF R1-R2 VHF R3-R5

VHF R6-R12

Aerial - Rear: E30B ( UK ) E30B ( Ireland ) / E30Y

UHF VHF/UHF

Operating Conditions: Temperature: 0°C 35°C

Humidity: 20% 80% RH (non condensing)

Intermediate Frequency:

Video/Audio E30B E30B ( Ireland ) E30Y

Video 38.9MHz 38.9MHz, 33.9MHz

Audio 32.90MHz 33.4MHz (B/G), 33.16MHz (A2)

32.35MHz(NICAM) 33.05MHz (NICAM B/G, D/K, L)

32.4MHz (D/K), 32.66MHz (CZ STEREO)

40.4MHz (L’), 39.75MHz (L’NICAM)

32.9MHz (I), 32.35MHz (I NICAM)

Colour 34.47MHz 34.47MHz (PAL)

34.5MHz, 34.65MHz (SECAM)

38.3MHz, 38.15MHz (SECAM L’)

Terminals:

AV1 IN Video (21 pin) 1V p-p 75

Audio (21 pin) 500mV rms 10k

RGB (21 pin) 0.7V p-p 75

AV1 OUT Video (21 pin) 1V p-p 75

Audio (21 pin) 500mV rms 1k

AV2 IN Video (RCAx1) 1V p-p 75

AUDIO IN Audio (RCAx2) 500mV rms 10k(used for HDMI4, AV2-AUDIO)

COMPONENT Video (RCAx3) Y:1V p-p 75(including synchronization)

Pb, Pr: ±0.35V p-p 75

AUDIO IN Audio (RCAx2) 500mV rms 10k(used for HDMI1/2/3, COMPONENT-AUDIO)

HDMI, HDMI2, HDMI3, HDMI4 Type A Connectors

HDMI 1/3/4 :HDMI (Version 1.4 with Content Type) Deep Colour

HDMI 2 :HDMI (Version 1.4 with Content Type, Audio Return Channel) Deep Colour

This TV supports “HDAVI Control 5” function.

AUDIO OUT Audio (RCAx2) 500mV rms 1k(high impedance)

DIGITAL AUDIO OUT PCM / Dolby digital / DTS, Fiber optic

USB 1/2/3 USB 2.0 DC 5V Max 500mA

PC HIGH-DENSITY D_SUB 15PIN R,G,B: 700mV p-p 75

HD,VD/TTL Level 2-5V p-p (high impedance)

ETHERNET RJ45, IEEE802.3 10BASE-T / 100BASE-TX

E30B E30Y

CARD SLOT SD CARD slot x1 SD CARD slot x1

Common interface slot x1 Common interface slot (Complies with CI+) x1

LCD screen: VVX37F115G00 [VVX32F115G00]

1920 x 1080, 16:9

Visible Diagonal 940mm [800mm]

Audio Output: 20W (2 x 10W), 10% THD

Headphones: 3.5mm, 8Impedance

Accessories supplied : Remote Control 2 x R6 (UM3) Batteries

Dimensions:

Height: Width: Depth:

Including TV stand 582mm 890mm 260mm

[514mm 769mm 230mm]

TV set only 548mm 890mm 75mm

[480mm 769mm 75mm]

Mass:

Including TV stand 15.0kg [12.5kg]

TV set only 12.5kg [10.0kg]

Specifications are subject to change without notice.

Mass and dimensions shown are approximate.

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 potencial 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 deal within this service information by anyone else could result in serious injury or death.

Warning

CONTENTS

SAFETY PRECAUTIONS ........................................... 5

GENERAL GUIDE LINES...................................... 5

TOUCH – CURRENT CHECK............................... 5

PREVENTION OF ELECTROSTATIC DISCHARGE

(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)

DEVICES .................................................................... 6

ABOUT LEAD FREE SOLDER (PBF)......................... 7

SUGGESTED PB FREE SOLDER........................ 7

APPLICABLE SIGNALS.............................................. 8

SERVICE HINTS ........................................................ 9

CHASSIS BOARD LAYOUT ..................................... 10

LOCATION OF LEAD WIRING ................................. 10

TECHNICAL DESCRIPTION ................................….11

SPECIFICATION OF KEY FOR CI PLUS,

DTCP-IP ONE-TO-ONE AND WIDEVINE ........... 11

GENERAL INFORMATION ................................. 11

REPLACEMENT OF ICS..................................... 11

MODEL AND KEYS ............................................ 11

SETTING INSPECTION............................................ 12

SELF CHECK ........................................................... 13

DATA COPY BY SD CARD....................................... 20

DATA COPY FROM TV SET TO SD CARD ............. 21

DATA COPY FROM SD CARD TO TV SET ............. 22

OPTION BYTES DESCRIPTION .............................. 23

ADJUSTMENT METHOD.......................................... 24

WIRING DIAGRAM ................................................... 25

BLOCK DIAGRAM .................................................... 26

PARTS LOCATION................................................... 28

REPLACEMENT PARTS LIST.................................. 30

SCHEMATIC DIAGRAMS ......................................... 42

A-BOARD (1 OF 19) SCHEMATIC DIAGRAM .... 43

P-BOARD (1 OF 2) SCHEMATIC DIAGRAM ...... 62

LD-BOARD SCHEMATIC DIAGRAM .................. 64

KA-BOARD SCHEMATIC DIAGRAM .................. 65

CONDUCTOR VIEWS .............................................. 66

POWER LED BLINKING TIMING CHART ................ 15

SERVICE MODE FUNCTION ................................... 16

SERVICE ................................................................ 17

SERVICE TOOL MODE............................................ 18

HOTEL MODE .......................................................... 19

Safety Precautions

General Guide Lines

1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated

or damaged by the short circuit.

2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly

installed.

3. After servicing, make the following touch current checks to prevent the customer from being exposed to shock hazards.

4. Always ensure cover label TBM4GU113 is correctly replaced before returning to customer (see Fig.1).

Touch-Current Check

1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.

2. Connect a measuring network for touch currents between each exposed metallic part on the set and a good earth

ground such as a water pipe, as shown in Fig. 2.

3. Use Leakage Current Tester (Simpson 228 or equivalent) to measure the potential across the measuring network.

4. Check each exposed metallic part, and measure the voltage at each point.

5. Reserve the AC plug in the AC outlet and repeat each of the above measure.

6. The potential at any point (TOUCH CURRENT) expressed as voltage U1 and U2, does not exceed the following values:

For a. c.: U1 = 35 V (peak) and U2 = 0.35 V (peak);

For d. c.: U1 = 1.0 V,

Note:

The limit value of U2 = 0.35 V (peak) for a. c. and U1 = 1.0 V for d. c. correspond to the values 0.7 mA (peak) a. c. and

2.0 mA d. c.

The limit value U1 = 35 V (peak) for a. c. correspond to the value 70 mA (peak) a. c. for frequencies greater than 100

kHz.

7. In case a measurement is out of the limits specified, there is a possibility of a shock hazard, and the equipment should

be repaired and rechecked before it is returned to the customer.

Fig. 2

APPLIANCES

EXPOSED

METAL PARTS

Resistance values in ohms ()

R0=500



RS=1500



CS=0.22



10k



0.022



COLD

WATER PIPE

(EARTH GROUND)

V: Voltmetr or oscilloscope

(r.m.s. or peak reading)

Measuring network for TOUCH CURRENTS

Input resistance: 1M



Input capacitance:200pF

Frequency range: 15Hz to 1MHz and d.c.respectively

NOTE – Appropriate measures should be taken to obtain the correct value in case of non-sinusoidal waveforms

U2(V)

Fig. 1

U1(V)

Prevention of Electrostatic Discharge (ESD) to Electrostatically

Sensitive (ES) Devices

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are

called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect

transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of

component damage caused by electrostatic discharge (ESD).

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on

your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD

wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as

aluminum foil, to prevent electrostatic charge build up or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static (ESD

protected)" can generate electrical charge sufficient to damage ES devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.

6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it.

(Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil

or comparable conductive material).

7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective

material to the chassis or circuit assembly into which the device will be installed.

Caution

Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.

8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the

brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity

(ESD) sufficient to damage an ES device).

There are special components used in this equipment which are important for safety.

These parts are marked by in schematic diagrams, exploded views and replacement parts list. It is essential that

these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire, or other hazards. Do

not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

About lead free solder (PbF)

Note: Lead is listed as (Pb) in the periodic table of elements.

In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder.

The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu).

That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available.

This model uses Pb Free solder in it’s manufacture due to environmental conservation issues. For service and repair work,

we’d suggest the use of Pb free solder as well, although Pb solder may be used.

PCBs manufactured using lead free solder will have the PbF within a leaf Symbol

stamped on the back of PCB.

Caution

Pb free solder has a higher melting point than standard solder. Typically the melting point is 50 ~ 70 °F (30~40°C)

higher. Please use a high temperature soldering iron and set it to 700 ± 20 °F (370 ± 10 °C).

Pb free solder will tend to splash when heated too high (about 1100 °F or 600 °C).

If you must use Pb solder, please completely remove all of the Pb free solder on the pins or solder area before

applying Pb solder. If this is not practical, be sure to heat the Pb free solder until it melts, before applying Pb solder.

After applying PbF solder to double layered boards, please check the component side for excess solder which may

flow onto the opposite side. (see Fig.3)

Suggested Pb free solder

There are several kinds of Pb free solder available for purchase. This product uses Sn+Ag+Cu (tin, silver, copper) solder.

However, Sn+Cu (tin, copper), Sn+Zn+Bi (tin, zinc, bismuth) solder can also be used. (see Fig.4)

Fig.3

Fig.4

Applicable Signals

Applicable input signal for PC is basically compatible to VESA standard timing.

Signal name Horizontal frequency (kHz) Vertical frequency (Hz)

640 400 @70 Hz 31.47 70.07

640 480 @60 Hz 31.47 59.94

640 480 @75 Hz 37.50 75.00

800 600 @60 Hz 37.88 60.32

800 600 @75 Hz 46.88 75.00

800 600 @85 Hz 53.67 85.06

852 480 @60Hz 31.44 59.89

1,024 768 @60Hz 48.36 60.00

1,024 768 @70Hz 56.48 70.07

1,024 768 @75Hz 60.02 75.03

1,024 768 @85Hz 68.68 85.00

1,280 768 @60Hz 47.70 60.00

1,280 1,024 @60Hz 63.98 60.02

1,366 768 @60Hz 48.39 60.04

Macintosh 13“ (640 480) 35.00 66.67

Macintosh 16“ (832 624) 49.73 74.55

Macintosh 21“ (1,152 870) 68.68 75.06

Applicable input signal for PC is basically compatible to HDMI standard timing.

Signal name Horizontal frequency (kHz) Vertical frequency (Hz)

640 480 @60 Hz 31.47 60.00

750 (720) / 60p 45.00 60.00

1,125 (1,080) / 60p 67.50 60.00

Note:

Signals other than above may not be displayed properly.

The above signals are reformatted for optimal viewing on your display.

PC signal is magnified or compressed for display, so that it may not be possible to show fine detail

with sufficient clarity.

Signal name COMPONENT HDMI

525 (480) / 60i,60p * *

625 (576) / 50i, 50p * *

750 (720) / 60p, 50p * *

1,125 (1,080) / 60i, 50i * *

1,125 (1,080) / 60p *

1,125 (1,080) / 50p *

1,125 (1,080) / 24p *

PC (from D-sub 15P)

PC (from HDMI terminal)

Component (Y, Pb, Pr), HDMI

Service Hints

How to remove the backcover

Lay the main unit face down. (see Fig.5)

Remove the 4 fixing screws and the pedestal assembly. (see Fig.6)

Remove the 36 [34] fixing screws, 4 caps and the backcover. (see Fig.7)

Fig.7

SCREWS

(1) XTB4+15JFJK 19pcs[18]

(2) THEJ0389 15pcs[14]

(3) XTV3+10GFJK /2pcs/

(4) TKKL5521 /4pcs/

SCREWS

XYN4+F30FJK

(1) (1) (1) (1)

(1)

(1) (1) (1)

(1)

(2)

(2) (2)

(2)

(3)

(2)

(1)

(2)

(4) (4)

(4)

Fig.6

Fig.5

Chassis Board Layout

Location of Lead Wiring

To find the Part Number of required wire in Replacement Parts List click on the wire name in red box.

Board Name Function

A-Board AV Terminal, HDMI,HDMI-SWITCH,USB,Digital Audio Out,TV tuner, SD Card

CI slot,PC,Ethernet, DVB-T/T2/C Dem, Peaks_LDA3, AV switch,

Speaker Out,EEPROM, FlashMemory, DDR SDRAM

KA-Board Remote Receiver, Power and Timer LED,C.A.T.S.

P-BOARD Main Input, Power Supply,Key Control, Power switch

LD-BOARD LED DRIVER

P-BOARD

KA-BOARD

A-BOARD

A02

SP_L

A10A12

KA10

A15

SP_R

LD2

37‘‘ A10-KA10 WIRE

37‘‘ P4-LD4 WIRE

32‘‘ A12-SP WIRE

LD-BOARD

LD4

37‘‘ P2-A02 WIRE 37‘‘ A15-CN5 WIRE

32‘‘ P4-LD4 WIRE 32‘‘ P2-A02 WIRE 32‘‘ A15-CN5 WIRE

32‘‘ A10-KA10 WIRE

37‘‘ A12-SP WIRE

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