Toshiba 40H153 D Series Bedienungsanleitung

SERVICE MANUAL

LCD Color Television

40H153xDx

32H153xDx

32J153xDx

(System Information)

FILE NO. 050-2015027

CONTENTS

1. IMPORTANT NOTICE

2. GREEN PRODUCT PROCUREMENT

3. LEAD-FREE SOLDER

4. SAFETY INSTRUCTION

5. FIRMWARE UPDATING

6. HOTEL MODE / HOTEL CLONE

7. BLOCK DIAGRAM

8. SCHEMATIC DIAGRAM

9. TROUBLESHOOTING

IMPORTANT NOTICE

WARNING:

You are requested that you shall not modify or alter the information or data provided

herein without prior written consent by Toshiba. Toshiba shall not be liable to

anybody for any damages, losses, expenses or costs, if any, incurred in connection

with or as a result of such modification or alteration.

THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED "AS IS" WITHOUT ANY

WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED WARRANTY OF

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Toshiba shall not be liable for any damages, losses, expenses or costs, if any,

incurred in connection with or as a result of use of any information or data provided

herein.

GREEN PRODUCT PROCUREMENT

The EC is actively promoting the WEEE & RoHS Directives that define standards for

recycling and reuse of Waste Electrical and Electronic Equipment and for the Restriction of

the use of certain Hazardous Substances. From July 1, 2006, the RoHS Directive will

prohibit any marketing of new products containing the restricted substances.

Increasing attention is given to issues related to the global environmental. Toshiba

Corporation recognizes environmental protection as a key management tasks, and is doing

its utmost to enhance and improve the quality and scope of its environmental activities. In

line with this, Toshiba proactively promotes Green Procurement, and seeks to purchase

and use products, parts and materials that have low environmental impacts.

Green procurement of parts is not only confined to manufacture. The same green parts

used in manufacture must also be used as replacement parts.

LEAD-FREE SOLDER

This product is manufactured using lead-free solder as a part of a movement within the

consumer products industry at large to be environmentally responsible. Lead-free solder

must be used in the servicing and repair of this product.

WARNING: This product is manufactured using lead free solder.

DO NOT USE LEAD BASED SOLDER TO REPAIR THIS PRODUCT!

The melting temperature of lead-free solder is higher than that of leaded solder by 30ºC to

40ºC (54ºF to 72ºF). Use of a soldering iron designed for lead-based solders to repair

product made with lead-free solder may result in damage to the component and or PCB

being soldered. Great care should be made to ensure high-quality soldering when servicing

this product especially when soldering large components, through-hole pins, and on PCBs

as the level of heat required to melt lead-free solder is high.

(1/ 3)

SAFETY INSTRUCTION

WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "SAFETY PRECAUTION" AND "PRODUCT

SAFETY NOTICE" INSTRUCTIONS BELOW.

Safety Precaution

WARNING: SERVICING SHOULD NOT BE ATTEMPTED BY ANYONE UNFAMILIAR WITH THE

NECESSARY PRECAUTIONS ON THIS RECEIVER. THE FOLLOWING ARE THE NECESSARY

PRECAUTIONS TO BE OBSERVED BEFORE SERVICING THIS CHASSIS.

1. An isolation transformer should be connected in the power line between the receiver

and the AC line before any service is performed on the receiver.

2. Always disconnect the power plug before any disassembling of the product. It may

result in electrical shock.

3. When replacing a chassis in the cabinet, always be certain that all the protective

devices are put back in place, such as nonmetallic control knobs, insulating covers,

shields, isolation resistor-capacitor network, etc.

4. Always keep tools, components of the product, etc away from the children, These

items may cause injury to children.

5. Depending on the model, use an isolation transformer or wear suitable gloves when

servicing with the power on, and disconnect the power plug to avoid electrical shock

when replacing parts. In some cases, alternating current is also impressed in the

chassis, so electrical shock is possible if the chassis is contacted with the power on.

6. Always use the replacement parts specified for the particular model when making

repairs. The parts used in products require special safety characteristics such as

inflammability, voltage resistance, etc. therefore, use only replacement parts that have

these same characteristics. Use only the specified parts when the mark is indicated

in the circuit diagram or parts list.

7. Parts mounting and routing dressing of wirings should be the same as that used

originally. For safety purposes, insulating materials such as isolation tube or tape are

sometimes used and printed circuit boards are sometimes mounted floating. Also

make sure that wirings is routed and clamped to avoid parts that generate heat and

which use high voltage. Always follow the manufactured wiring routes / dressings.

(2/ 3)

8. Always ensure that all internal wirings are in accordance before re-assembling the

external casing after a repairing completed. Do not allow internal wiring to be pinched

by cabinets, panels, etc. Any error in reassembly or wiring can result in electrical

leakage, flame, etc., and may be hazardous.

9. NEVER remodel the product in any way. Remodeling can result in improper operation,

malfunction, or electrical leakage and flame, which may be hazardous.

10. Touch current check. (After completing the work, measure touch current to prevent an

electric shock.)

Plug the AC cord directly into the AC outlet. Do NOT use an isolation transformer for

this check.

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.

Annex D

(normative)

Measuring network for TOUCH CURRENTS

Resistance values in orms (Ω).

V: Voltmeter or oscilloscope

(r.m.s. or peak reading)

Input resistance : 1 MΩ

Input capacitance : 200 pF

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

Note: Appropriate measures should be taken to obtain the correct value in case of non

(3/ 3)

sinusoidal waveforms.

The measuring instrument is calibrated by comparing the frequency factor of with

the solid line in figure F.2 of IEC 60990 at various frequencies. A calibration curve is

constructed showing the deviation of from the ideal curve as a function of

frequency.

TOUCH CURRENT = / 500 (peak value).

The potential at any point (TOUCH CURRENT) expressed as voltage and does

not exceed the following value:

The part or contact of a TERMINAL is not HAZARDOUS LIVE if:

a) The open-circuit voltage should not exceed 35 V (peak) a.c. or 60 V d.c. or, if a) is

not met.

b) The measurement of the TOUCH CURRENT shall be carried out in accordance

with IEC 60990, with the measuring network described in Annex D of this standard.

The TOUCH CURRENT expressed as voltages and , does not exceed the

following values:

- for a.c. : = 35 V (peak) and = 0.35 V (peak);

- for d.c. : = 1.0 V

Note: The limit values of = 0.35 V (peak) for a.c. and = 1.0 V for d.c. correspond

to the values 0.7 mA (peak) a.c. and 2.0 mA d.c.

FIRMWARE UPDATING PROCEDURE

SW update via USB

17MB8X Core Software Update

1. Please copy the file to USB device. There is no need to use any specific folder.

•upgrade_loader.pkg

2. Turn power to OFF by mechanical switch or removing AC plug and plug the USB to TV.

3. Keep pressing and holding “OK” key from Toshiba remote controller and at the same time turn power to

ON by mechanical SW and hold OK pressed until the standby led blinks very rapidly.

4. SW update starts automatically when the led starts blinking.

5. SW update is completed after led blink is done.

* After core update, user/profile settings and panel files do not change.

* After Core update, bootloader/mboot version will be updated.

* SW version can be controlled from other settings or service menu.

HOTEL MODE/HOTEL CLONE

HOTEL TV MENU:

To enter hotel menu, please open main menu by pressing MENU(M) button. When you code following

password “7935”, hidden hotel TV menu appears.

Figure 1 Hotel TV Menu

Hotel Mode

Setting “Hotel Mode” item 'On' activates hotel mode. In other words user can do only what he/she is

allowed to do. Restriction level can be determined by using other items on menu namely Volume Limit,

Panel Button, OSD Disable. In hotel mode, users can not reach channel table and install menu so they

could not change any program information.

Last Status

Setting “Last Status” item to 'On' enable TV open with the closing status. Otherwise, if “Last

Status” item is set 'Off' TV opens with standby status.

Panel Lock

Enables (Panel Lock = Off) or prohibits (Panel Lock = On) the use of front panel buttons.

RCU Inhibit

If OFF is selected TV will go on normal operation. If It is ON RCU will not function in

anymenu(including nomenu) except this menu. To turn this option OFF later, “hotel tv menu shortcut”

(MENU(M)-7-9-3-5) can be used to pop up this menu. RCU will function in Stand-Bymode regardless

of the state of this option.

Startup Position

Specifies the starting channel when TV is switched ON. May take one of following values:

 AUTO

oTV is opened using standby keyor digit keys: Last channel or last external source when

TV is turned off

 TV

oTV is opened using standby key or digits keys: TV channel number that is specified on

field Startup Channel

 Other external sources (EXT1, HDMI2, PC, FAV, SVHS etc.)

oTV is opened using standby keyor digit keys: Specified external source

Startup Channel

Specifies the starting TV channel’s ID which will be tuned when startup position is TV.

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