COLOR TELEVISION/
VIDEO CASSETTE RECORDER
DVD VIDEO PLAYER
MW24F12
The above model is classified as a green product (*1), as indicated by the underlined serial number.
This Service Manual describes replacement parts for the green product. When repairing this green
product, use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
DOCUMENT CREATED IN JAPAN, April, 2006 GREEN
(*1)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.
(*2)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 86°F to 104°F
(30°C to 40°C). 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.
A1-1
CAUTION
THIS DIGITAL VIDEO PLAYER EMPLOYS A LASER SYSTEM.
TO ENSURE PROPER USE OF THIS PRODUCT, PLEASE READ THIS SERVICE MANUAL CARE-
FULLY AND RETAIN FOR FUTURE REFERENCE. SHOULD THE UNIT REQUIRE MAINTENANCE,
CONTACT AN AUTHORIZED SERVICE LOCATION-SEE SERVICE PROCEDURE.
USE OF CONTROLS, ADJUSTMENTS OR THE PERFORMANCE OF PROCEDURES OTHER THAN
THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
TO PREVENT DIRECT EXPOSURE TO LASER BEAM, DO NOT TRY TO OPEN THE ENCLOSURE.
VISIBLE LASER RADIATION MAY BE PRESENT WHEN THE ENCLOSURE IS OPENED. DO NOT
STARE INTO BEAM.
Location of the required Marking
The rating sheet and the safety caution are on the rear of the unit.
CERTIFICATION: COMPLIES WITH FDA
RADIATION PERFORMANCE STANDARDS,
21 CFR SUBCHAPTER J.
LINE 1 IN
OUT PUT
VHF/UHF
VIDEO
VIDEO
DIGITAL AUDIO
(MONO)
L
L
COAXIAL
AUDIO
AUDIO
R
R
PREPARATION OF SERVICING
The laser diode used for a pickup head may be destroyed with external static electricity.
Moreover, even if it is operating normally after repair, when static electricity discharge is received at the
time of repair, the life of the product may be shortened.
Please perform the following measure against static electricity, be careful of destruction of a laser diode
at the time of repair.
• Place the unit on a workstation equipped to protect against static electricity, such as conductive mat.
• Soldering iron with ground wire or ceramic type is used.
• A worker needs to use a ground conductive wrist strap for body.
A1-2
SERVICING NOTICES ON CHECKING
As for the places which need special attentions,
they are indicated with the labels or seals on the
cabinet, chassis and parts. Make sure to keep the
indications and notices in the operation manual.
2. AVOID AN ELECTRIC SHOCK
There is a high voltage part inside. Avoid an
electric shock while the electric current is
flowing.
3. USE THE DESIGNATED PARTS
The parts in this equipment have the specific
characters of incombustibility and withstand
voltage for safety. Therefore, the part which is
replaced should be used the part which has
the same character.
Especially as to the important parts for safety
which is indicated in the circuit diagram or the
table of parts as a mark, the designated
parts must be used.
4. PUT PARTS AND WIRES IN THE
ORIGINAL POSITION AFTER
ASSEMBLING OR WIRING
There are parts which use the insulation
material such as a tube or tape for safety, or
which are assembled in the condition that
these do not contact with the printed board.
The inside wiring is designed not to get closer
to the pyrogenic parts and high voltage parts.
Therefore, put these parts in the original
positions.
5. TAKE CARE TO DEAL WITH THE
CATHODE-RAY TUBE
In the condition that an explosion-proof cathoderay tube is set in this equipment, safety is
secured against implosion. However, when
removing it or serving from backward, it is
dangerous to give a shock. Take enough care to
deal with it.
6. AVOID AN X-RAY1. KEEP THE NOTICES
Safety is secured against an X-ray by considering about the cathode-ray tube and the high
voltage peripheral circuit, etc.
Therefore, when repairing the high voltage peripheral circuit, use the designated parts and
make sure not modify the circuit.
Repairing except indicates causes rising of high
voltage, and it emits an X-ray from the cathoderay tube.
PERFORM A SAFETY CHECK AFTER
7.
SERVICING
Confirm that the screws, parts and wiring which
were removed in order to service are put in the
original positions, or whether there are the
portions which are deteriorated around the
serviced places serviced or not. Check the
insulation between the antenna terminal or
external metal and the AC cord plug blades.
And be sure the safety of that.
(INSULATION CHECK PROCEDURE)
1.
Unplug the plug from the AC outlet.
2.
Remove the antenna terminal on TV and turn
on the TV.
3.
Insulation resistance between the cord plug
terminals and the eternal exposure metal
[Note 2] should be more than 1M ohm by
using the 500V insulation resistance meter
[Note 1].
4.
If the insulation resistance is less than 1M
ohm, the inspection repair should be
required.
[Note 1]
If you have not the 500V insulation
resistance meter, use a Tester.
[Note 2]
External exposure metal: Antenna terminal
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
A1-3
IMPORTANT SAFEGUARDS
1.
READ INSTRUCTIONS
All the safety and operating instructions should be read before the unit is operated.
2.
RETAIN INSTRUCTIONS
The safety and operating instructions should be retained for future reference.
3.
HEED WARNINGS
All warnings on the unit and in the operating instructions should be adhered to.
4.
FOLLOW INSTRUCTIONS
All operating and use instructions should be followed.
5.
CLEANING
Unplug this unit from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
6.
ATTACHMENTS
Do not use attachments not recommended by the unit’s manufacturer as they may cause hazards.
7.
WATER AND MOISTURE
Do not use this unit near water. For example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet
basement, or near a swimming pool.
8.
ACCESSORIES
Do not place this unit on an unstable cart, stand, tripod, bracket, or table. The
unit may fall, causing serious injury, and serious damage to the unit. Use only
with a cart, stand, tripod, bracket, or table recommended by the manufacturer.
8A.
An appliance and cart combination should be moved with care. Quick stops,
excessive force, and uneven surfaces may cause the appliance and cart
combination to overturn.
9.
VENTILATION
Slots and openings in the cabinet and in the back or bottom are provided for ventilation, to ensure reliable
operation of the unit, and to protect it from overheating. These openings must not be blocked or covered. The
openings should never be blocked by placing the unit on a bed, sofa, rug, or other similar surface. This unit
should never be placed near or over a radiator or heat source. This unit should not be placed in a built-in
installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions
have been adhered to.
10.
POWER SOURCES
This unit should be operated only from the type of power source indicated on the rating plate. If you are not sure
of the type of power supply to your home, consult your appliance dealer or local power company. For units
intended to operate from battery power, or other sources, refer to the operating instructions.
11.
GROUNDING OR POLARIZATION
This unit is equipped with a polarized alternating-current line plug (a plug having one blade wider than the other).
This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to insert the plug
fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact your electrician to replace your
obsolete outlet. Do not defeat the safety purpose of the polarized plug. If your unit is equipped with a 3-wire
grounding-type plug, a plug having a third (grounding) pin, this plug will only fit into a grounding-type power
outlet. This too, is a safety feature. If you are unable to insert the plug into the outlet, contact your electrician to
replace your obsolete outlet. Do not defeat the safety purpose of the grounding-type plug.
12.
POWER-CORD PROTECTION
Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon
or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they
exit from the appliance.
13.
LIGHTNING
To protect your unit from a lightning storm, or when it is left unattended and unused for long periods of time,
unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the unit
due to lightning and power line surges.
14.
POWER LINES
An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or
power circuits, or where it can fall into such power lines or circuits. When installing an outside antenna system,
extreme care should be taken to keep from touching such power lines or circuits, as contact with them might be
fatal.
15.
OVERLOADING
Do not overload wall outlets and extension cords, as this can result in a risk of fire or electric shock.
16.
OBJECT AND LIQUID ENTRY
Do not push objects through any openings in this unit, as they may touch dangerous voltage points or short out
parts that could result in fire or electric shock. Never spill or spray any type of liquid into the unit.
PORT ABLE CART WARNING
(symbol provided by RETAC)
S3126A
A1-4
IMPORTANT SAFEGUARDS(CONTINUED)
OUTDOOR ANTENNA GROUNDING
17.
If an outside antenna or cable system is connected to the unit, be sure the antenna or cable system is grounded
so as to provide some protection against voltage surges and built-up static charges. Section 810 of the National
Electrical Code, ANSI/NFPA 70, provides information with respect to proper grounding of the mast and supporting
structure, grounding of the lead-in wire to an antenna discharge unit, size of grounding conductors, location of
antenna discharge unit, connection to grounding electrodes, and requirements for the grounding electrode.
SERVICING
18.
Do not attempt to service this unit yourself as opening or removing covers may expose you to dangerous voltage
or other hazards. Refer all servicing to qualified service personnel.
DAMAGE REQUIRING SERVICE
19.
Unplug this unit from the wall outlet and refer servicing to qualified service personnel under the following
conditions:
a.
When the power-supply cord or plug is damaged.
b.
If liquid has been spilled, or objects have fallen into the unit.
c.
If the unit has been exposed to rain or water.
d.
If the unit does not operate normally by following the operating instructions. Adjust only those controls that
are covered by the operating instructions, as an improper adjustment of other controls may result in
damage and will often require extensive work by a qualified technician to restore the unit to its normal
operation.
e.
If the unit has been dropped or the cabinet has been damaged.
f.
When the unit exhibits a distinct change in performance, this indicates a need for service.
REPLACEMENT PARTS
20.
When replacement parts are required, be sure the service technician uses replacement parts specified by the
manufacturer or those that have the same characteristics as the original parts.
Unauthorized substitutions may result in fire, electric shock or other hazards.
SAFETY CHECK
21.
Upon completion of any service or repairs to this unit, ask the service technician to perform safety checks to
determine that the unit is in proper operating condition.
WALL OR CEILING MOUNTING
22.
The product should be mounted to a wall or ceiling only as recommended by the manufacturer.
HEAT
23.
The product should be situated away from heat sources such as radiators, heat registers, stoves, or other
products (including amplifiers) that produce heat.
DISC TRAY
24.
Keep your fingers well clear of the disc tray as it is closing. It may cause serious personal injury.
CONNECTING
25.
When you connect the product to other equipment, turn off the power and unplug all of the equipment from the
wall outlet. Failure to do so may cause an electric shock and serious personal injury. Read the owner's manual of
the other equipment carefully and follow the instructions when making any connections.
SOUND VOLUME
26.
Reduce the volume to the minimum level before you turn on the product. Otherwise, sudden high volume sound
may cause hearing or speaker damage.
SOUND DISTORTION
27.
Do not allow the product output distorted sound for a longtime. It may cause speaker overheating and fire.
HEADPHONES
28.
When you use the headphones, keep the volume at a moderate level. If you use the headphones continuously
with high volume sound, it may cause hearing damage.
LASER BEAM
29.
Do not look into the opening of the disc tray or ventilation opening of the product to see the source of the laser
beam. It may cause sight damage.
DISC
30.
Do not use a cracked, deformed, or repaired disc. These discs are easily broken and may cause serious
personal injury and product malfunction.
NOTE TO CATV SYSTEM INSTALLER
31.
This reminder is provided to call the CATV system installer’s attention to Article 820-40 of the NEC that provides
guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the
grounding system of the building, as close to the point of cable entry as practical.
A1-5
IMPORTANT SAFEGUARDS(CONTINUED)
EXAMPLE OF ANTENNA GROUNDING AS PER THE NATIONAL ELECTRICAL CODE
ANTENNA LEAD
IN WIRE
GROUND
CLAMP
ANTENNA
DISCHARGE UNIT
(NEC SECTION 810-20)
ELECTRIC SERVICE
EQUIPMENT
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
GROUND CLAMPS
NEC-NATIONAL ELECTRICAL CODE
S2898A
POWER SERVICE GROUNDING
ELECTRODE SYSTEM
(NEC ART 250, PART H)
A1-6
WHEN REPLACING DVD DECK
[ When removing the DVD Deck ]
Before removing Pick Up PCB and DVD PCB connector, the short circuit the position shown in Fig. 1
using a soldering iron. If you remove the DVD Deck with no soldering, the Laser may be damaged.
[ When installing the DVD Deck ]
Remove all the soldering on the short circuit position after the connection of Pick Up PCB and DVD
PCB connector.
NOTE
Before your operation, please read “PREPARATION OF SERVICING”.
•
Use the Lead Free solder.
•
Manual soldering conditions
•
• Soldering temperature: 350 ± 5˚C
• Soldering time: Within 2 seconds
• Soldering combination: Sn-3.0Ag-0.5Cu
When Soldering/Removing of solder, use the draw in equipment over the Pick Up Unit to keep the
•
Flux smoke away from it.
Pick Up PCB
Fig. 1
Short circuit using a
soldering iron.
A1-7
TAPE REMOVAL METHOD AT NO POWER SUPPLY
1.
Remove the TV/DVD/VCR block from the main unit as shown in Fig. 1 below can be seen.
(Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.)
2.
Remove the screw 1 of the Deck Chassis and remove the Loading Motor.
3.
Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.
(Refer to Fig. 2)
4.
Rotate the Clutch Ass'y either direction to wind the Video Tape in the Cassette Case.
5.
Repeat steps 3~4. Then take out the Video Cassette from the Deck Chassis. Be careful not to scratch
the tape.
Loading Motor
Screw 1
Capstan DD Unit
Pinch Roller Cam
Main Cam
Fig. 1
Main Chassis (Front Side)
Fig. 2
DISC REMOVAL METHOD AT NO POWER SUPPLY
1.
Remove the Back Cabinet and AV PCB/DVD Block. (Refer to item 1 of the DISASSEMBLY
INSTRUCTIONS.)
2.
Rotate the Main Gear in the direction of the arrow by hand.
(Refer to Fig. 1)
3.
Manually open the Tray.
Deck CDMain Gear
Fig. 1
Clutch Ass'y
A1-8
PARENTAL CONTROL - RATING LEVEL
4 DIGIT PASSWORD CANCELLATION
If the stored 4 digit password in the Rating Level menu needs to be cancelled, please follow the steps below.
1.
Turn Unit ON.
2.
Set the DVD Mode.
3.
Confirm that the 'No Disc' will be appeared on the screen.
4.
Press and hold the '7' key on the remote control unit.
5.
Simultaneously press and hold the 'STOP' key on the front panel.
6.
Hold both keys for more than 3 seconds.
7.
The On Screen Display message 'PASSWORD CLEAR' will appear.
8.
The 4 digit password has now been cleared
TRAY LOCK
Tray cannot be opened by setting the Tray Lock, please follow the steps below.
Turn Unit ON.
1.
Set the DVD to the Stop Mode.
2.
Press it in order of 'SETUP', 'SUBTITLE', '3', 'AUDIO SELECT' and '0' key of a remote control unit.
3.
The On Screen Display message ' ' will appear.
4.
The Tray Lock has now been set up.
5.
To unlock the Tray Lock, please follow the steps below.
Turn Unit ON.
1.
Set the DVD to the Stop Mode.
2.
Press it in order of 'SETUP', 'SUBTITLE', '3', 'AUDIO SELECT' and '0' key of a remote control unit.
3.
The On Screen Display message ' ' will appear.
4.
The Tray Lock has now been cleared.
5.
A1-9
TABLE OF CONTENTS
GREEN PRODUCT PROCUREMENT .....................................................................................
FeaturesTray LockYes
(DVD)Auto Stop (Pause, and Resume Stop after 5min.)Yes
Auto CH MemoryYes
Closed CaptionYes
TV Auto Shut off FunctionYes
CABLEYes
Comb Filter (2Lines)Yes
VM Circuit
Choke Coil
SAPYes
Protect of FBT Leak CircuitYes
Power On Memory
V-chipUSA V-chipYes
Favorite CH
Auto Head CleaningYes
VIDEO PLUS+(SHOWVIEW,G-CODE)
Forward / Reverse Picture SearchYes
End Call
Index Search
SQPB
CM Skip(30sec x 6 Times)Yes
TV Monitor
Program Extend
Zero ReturnYes
Auto RepeatYes
PictureBrightness/Contrast/Sharpness/ColorYes
AudioTone Control (Bass/Treble/Balance)Yes
TimerOn/Off Timer SetYes
TuningAuto CH MemoryYes
USB(Some USB devices may not be usable.)No
Card Slot Reading (Not secured Data)No
Video CD PlaybackYes
SVCD Playback
MP3 Playback
WMA Playback
JPEG Playback
DivX Play back
Digital Out (Dolby Digital)Yes
Down Mix Out (Dolby Digital)Yes
3D Surround
Closed Caption Signal in VBI (DVD Playback)
w/Guarantee CardYes
Remote Control UnitYes
BatteryYes
UM size x pcsUM-4 x 2 pcs
OEM Brand
Rod Antenna
Poles-
TerminalLoop Antenna
TerminalU/V Mixer
300 ohm to 75 ohm Antenna AdapterYes
Antenna Change Plug
DC Car Cord (Center+)
AC Plug Adapter
AC Cord
AV Cord (2Pin-1Pin)
Guarantee Card
Registration CardYes
ESP Card
Warning Sheet
Dew/AHC Caution Sheet
Quick Set-up Sheet
Circuit Diagram
Service Facility List
Important Safeguard
Information Sheet (Return)Yes
Netflix CardNo
G-15InterfaceSwitchFrontPower (Tact)Yes
Channel UpYes
Channel DownYes
Volume UpYes
Volume DownYes
Play (VCR)Yes
Stop / Eject (VCR)Yes
F.FWD/Cue (VCR)Yes
Rew/Rev (VCR)Yes
REC/OTR (VCR)Yes
Play (DVD)Yes
Stop (DVD)Yes
Skip+ /Search+ (DVD)Yes
Skip- /Search- (DVD)Yes
Open/Close (DVD)Yes
Input SelectNo
Main Power SWNo
IndicatorPowerYes(Red)
REC/OTRYes(Red)
T-RECYes(Red)
TV/VCRNo
DVDNo
TerminalsFrontVideo InputRCA x 1 (Yellow)
Audio InputRCA x 2 (L/MONO,R White,Red)
USB
Other TerminalHeadPhone (Stereo & Mono, 3.5mm)
RearVideo InputRCA x 1 (Yellow)
Audio InputRCA x 2 (L/MONO,R White,Red)
Video OutputRCA x1 (Yellow)
Audio OutputRCA x 2(Stereo White,Red)
Digital Audio OutputCoaxial (DVD Only)
VHF/UHF Antenna InputF Type
AC InletNo
G-16Set SizeApprox. W x D x H (mm)655 x 472.5 x 580
G-17WeightNet (Approx.)36.0kg (79.4lbs)