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)
G-20EnvironmentEnvironmental standard requirement (by buyer)Green procurement of TOSHIBA
Pb-freePhase3(Phase3A)
Measures for WhiskerYes
No
Sets
A3-6
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1-1: BACK CABINET (Refer to Fig. 1-1)
1.
Remove the 6 screws 1.
2.
Remove the 2 screws 2.
3.
Remove the Back Cabinet in the direction of arrow.
Front Cabinet
1
1
1
2
2
1-2: CRT PCB (Refer to Fig. 1-2)
CAUTION: BEFORE REMOVING THE ANODE CAP,
DISCHARGE ELECTRICITY BECAUSE IT
CONTAINS HIGH VOLTAGE.
BEFORE ATTEMPTING TO REMOVE OR
REPAIR ANY PCB, UNPLUG THE POWER
CORD FROM THE AC SOURCE.
1.
Remove the Anode Cap.
(Refer to REMOVAL OF ANODE CAP)
2.
Disconnect the following connectors:
(CP603B, CP803 and CP805).
3.
Remove the CRT PCB in the direction of arrow.
Front Cabinet
1
1
CP603B
Back Cabinet
Fig. 1-1
CRT PCB
CP805
CP803
1
1-3: TV/DVD/VCR BLOCK (Refer to Fig. 1-3)
1.
Remove the 2 screws 1.
2.
Disconnect the following connectors:
(CP303, CP404 and CP1704).
3.
Remove the TV/DVD/VCR Block in the direction of arrow.
1
Front Cabinet
CP303
CP1704
CP404
TV/DVD/VCR Block
1
Fig. 1-3
1-4: VCR DECK (Refer to Fig. 1-4)
NOTE
Do not remove the cable at the FE Head section. The FE
Head may be damaged if you remove the cable by force.
1.
Remove the 2 screws 1.
2.
Remove the VCR Top.
3.
Move the Cassette Holder Ass'y to the back side.
4.
Remove the 3 screws 2.
5.
Remove the 2 screws 3.
6.
Remove the Deck Shield Cover.
7.
Remove the screw 4.
8.
Remove the FE Head.
9.
Disconnect the following connectors:
(CP101, CP4501 and CP4502).
10.
Remove the VCR Deck in the direction of arrow.
2
Deck Shield Cover
FE Head
3
4
2
2
3
Fig. 1-2
B1-1
VCR Deck
1
VCR Top
1
CP101
CP4501
CP4502
Bottom Plate
Fig. 1-4
DISASSEMBLY INSTRUCTIONS
1-5: VCR PCB (Refer to Fig. 1-5)
1.
Remove the 6 screws 1.
2.
Remove the screw 2.
3.
Remove the AV Jack Shield.
4.
Disconnect the following connectors:
(CP001, CP602B, CP604, CP2201, CP8001 and CP8002).
5.
Remove the VCR PCB in the direction of arrow.
VCR PCB
1
AV Jack Shield
CP2201
1
CP8002
Bottom Plate
1
CP8001
CP001
1
CP602B
1
CP604
1
2
Fig. 1-5
1-6: DVD BLOCK/OPERATION PCB (Refer to Fig. 1-6)
1.
Remove the 4 screws 1.
2.
Remove the DVD Block in the direction of arrow (A).
3.
Remove the 2 screws 2.
4.
Remove the Operation PCB in the direction of arrow (B).
1
1
DVD Block
(A)
2
2
(B)
Operation PCB
1
1
Bottom Plate
Fig. 1-6
1-7: DVD PCB/DVD DECK (Refer to Fig. 1-7)
1.
Short circuit the position shown in Fig. 1-7 using a
soldering iron. If you remove the DVD Deck with no
soldering, the Laser may be damaged.
2.
Remove the 4 screws 1.
3.
Remove the DVD Top in the direction of arrow (A).
4.
Remove the 4 screws 2.
5.
Remove the DVD Deck in the direction of arrow (B).
6.
Disconnect the following connectors:
(CP2301, CP2302 and CP2303).
7.
Remove the 2 screws 3.
8.
Remove the DVD PCB in the direction of arrow (C).
1
DVD Top
3
CP2303
CP2302
CP2301
2
2
Short circuit using a
soldering iron.
1
Pick Up PCB
DVD PCB
DVD Deck
Angle Deck
1
1
(A)
3
2
2
(C)
(B)
Fig. 1-7
NOTE
Before your operation, please read “PREPARATION OF
1.
SERVICING”.
Use the Lead Free solder.
2.
Manual soldering conditions
3.
• Soldering temperature: 350 ± 5˚C
• Soldering time: Within 2 seconds
• Soldering combination: Sn-3.0Ag-0.5Cu
When Soldering/Removing of solder, use the drawing
4.
equipment over the Pick Up Unit to keep the Flux smoke
away from it.
When installing the DVD Deck, remove all the soldering on
5.
the short circuit position after the connection of Pick Up
PCB and DVD PCB connector.
B1-2
DISASSEMBLY INSTRUCTIONS
1-8: DEFLECTION PCB (Refer to Fig. 1-8)
1.
Remove the 2 screws 1.
2.
Remove the 3 screws 2.
3.
Remove the Deflection PCB in the direction of arrow.
2
1
1
2
2
Deflection PCB
Bottom Plate
Fig. 1-8
B1-3
DISASSEMBLY INSTRUCTIONS
2. REMOVAL OF VCR DECK PARTS
2-1: TOP BRACKET (Refer to Fig. 2-1)
Extend the 2 supports 1.
1.
Slide the 2 supports 2 and remove the Top Bracket.
2.
NOTE
1. After installation of the Top Bracket, bend the support 1
so that the Top Bracket is fixed.
Top Bracket
1
Top Bracket
2
2
Main Chassis
Main Chassis
2-2: CASSETTE HOLDER ASS'Y (Refer to Fig. 2-2)
Move the Cassette Holder Ass'y to the front side.
1.
Push the Locker R to remove the Cassette Side R.
2.
Remove the Cassette Side L.
3.
1
Fig. 2-1
2-3: LINK UNIT (Refer to Fig. 2-3)
Set the Link Unit to the Eject position.
1.
Unlock the support 1.
2.
Remove the (A) side of the Link Unit first, then remove
3.
the (B) side.
Main Chassis
Link Unit
(A)
1
(B)
Link Unit
Main Chassis
2-4: LINK LEVER/FLAP LEVER (Refer to Fig. 2-4)
Extend the support 1.
1.
Remove the Link Lever.
2.
Remove the Flap Lever.
3.
Fig. 2-3
Main Chassis
Link Unit
Cassette Side L
Locker R
1
Flap Lever
Cassette Side R
Link Lever
Fig. 2-4
Main Chassis
Fig. 2-2
B2-1
DISASSEMBLY INSTRUCTIONS
2-5: LOADING MOTOR/WORM (Refer to Fig. 2-5-A)
1.
Remove the screw 1.
2.
Remove the Loading Motor.
3.
Remove the Worm.
Loading Motor
Worm
Main Chassis
• Screw Torque: 3 ± 0.5kgf•cm
1
Fig. 2-5-A
NOTE
1.
In case of the Worm installation, check if the value of the
Fig. 2-5-B is correct.
2.
In case of the Loading Motor installation, hook the wire on
the Cassette Opener as shown Fig. 2-5-C.
3.
When installing the wires between Capstan DD Unit and
Loading Motor, connect them correctly as shown Fig. 2-5-D.
19.2 ± 0.1mm
2-6: TENSION ASS’Y (Refer to Fig. 2-6-B)
1.
Turn the Pinch Roller Cam clockwise so that the Tension
Holder hook is set to the position of Fig. 2-6-A to move
the Tension Arm Ass’y.
2.
Remove the Tension Spring.
3.
Unlock the 2 supports 1 and remove the Tension Band.
4.
Unlock the support 2 and remove the Tension Arm Ass’y.
5.
Unlock the support 3 and remove the Tension Connect.
6.
Float the hook 4 and turn it clockwise then remove the
Tension Holder.
Tension Arm Ass’y
Fig. 2-6-A
1
Tension Connect
Tension Spring
2
4
1
3
Tension Holder
Tension Band
Tension Arm Ass’y
Loading Motor
-
+
Safety surface for pressing
of the insert.
Pink
White
Fig. 2-5-B
Loading Motor
Cassette Opener
Fig. 2-5-C
Capstan DD Unit
L2
L1
Fig. 2-5-D
B2-2
Fig. 2-6-B
NOTE
1.
In case of the Tension Band installation, note the direction of the installation. (Refer to Fig. 2-6-C)
2.
In case of the Tension Band installation, install correctly
as Fig. 2-6-D.
3.
In case of the Tension Connect installation, install as the
circled section of Fig. 2-6-E.
Tension Connect
Tension Band
Fig. 2-6-C
[OK]
[NG]
Tension Connect
Tension Connect
Tension Connect
DISASSEMBLY INSTRUCTIONS
NOTE
1.
Take care not to damage the gears of the S Reel and T
Tension Band
Tension Band
Fig. 2-6-D
Reel.
2.
The Polyslider Washer may on the back of the reel.
3.
Take care not to damage the shaft.
4.
Do not touch section “A” of S Reel and T Reel. (Use
gloves.) (Refer to Fig. 2-8-A) Touching may leave stains
on section "A".
5.
When you install the reel, clean the shaft and grease it. (If
you do not grease, noise may be heard in FF/REW
mode.)
6.
After installing the reel, adjust the height of the reel.
(Refer to MECHANICAL ADJUSTMENT)
Main Chassis
Fig. 2-6-E
2-7: T BRAKE ARM/T BRAKE BAND (Refer to Fig. 2-7-A)
Remove the T Brake Spring.
1.
Turn the T Brake Arm clockwise and bend the hook
2.
section to remove it.
Unlock the 2 supports 1 and remove the T Brake Band.
3.
T Brake Band
Hook section
1
1
T Brake Arm
T Brake Spring
Fig. 2-7-A
NOTE
1. In case of the T Brake Band installation, install correctly
as Fig. 2-7-B.
Idler Gear
(A)
S Reel
(B)
1
Idler Arm Ass’y
T Reel
(A)
1
Fig. 2-8-A
NOTE
1.2.In case of the S Reel and T Reel installation, check if the
correct parts are installed. (Refer to Fig. 2-8-B)
In case of the Idler Arm Ass’y installation, install correctly
as Fig. 2-8-C. And also set it so that the section “B” of
Fig. 2-8-A is placed under the Main Chassis tab.
[OK]
[NG]
T Brake Band
T Brake Band
T Brake Arm
T Brake Arm
Fig. 2-7-B
2-8: S REEL/T REEL/IDLER ARM ASS’Y/IDLER GEAR
(Refer to Fig. 2-8-A)
1.
Remove the S Reel and T Reel.
2.
Remove the 2 Polyslider Washers 1.
3.
Remove the Idler Arm Ass’y and Idler Gear.
B2-3
[OK]
[NG]
Clutch Gear
Clutch Gear
Big Hole
(S Reel)
Small Hole
(T Reel)
Fig. 2-8-B
Idler Arm Ass’y
Idler Arm Ass’y
Fig. 2-8-C
DISASSEMBLY INSTRUCTIONS
2-9: CASSETTE OPENER/PINCH ROLLER BLOCK/P5
ARM ASS’Y (Refer to Fig. 2-9-A)
1.2.Unlock the support 1 and remove the Cassette Opener.
Remove the Pinch Roller Block and P5 Arm Ass’y.
1
Cassette Opener
Pinch Roller Block
P5 Arm Ass’y
Main Chassis
Fig. 2-9-A
NOTE
1.2.Do not touch the Pinch Roller. (Use gloves.)
In case of the Pinch Roller Block and the Pinch Roller
Cam installation, install correctly as Fig. 2-9-B.
Pinch Roller Block
P5 Arm Ass’y
Can be seen the hole of the
Main Cam.
Can be seen the hole of
the Pinch Roller Cam.
Fig. 2-9-B
2-10: A/C HEAD (Refer to Fig. 2-10-A)
1.
Remove the screw 1.
2.
Remove the A/C Head Base.
3.
Remove the 3 screws 2.
4.
Remove the A/C Head and A/C Head Spring.
NOTE
1.
Do not touch the A/C Head. (Use gloves.)
2.
When you install the A/C Head Spring, install as shown in
Fig. 2-10-B.
3.
When you install the A/C Head, tighten the screw (1) first,
then tighten the screw (2), finally tighten the screw (3).
(3)
(1)
2
2
(2)
2
A/C Head
Spring Position
Fig. 2-10-B
2-11: FE HEAD (RECORDER ONLY) (Refer to Fig. 2-11)
Remove the screw 1.
1.
Remove the FE Head.
2.
1
FE Head
• Screw Torque: 5 ± 0.5kgf•cm
• The FE Head is not installed on the Video Cassette Player.
Fig. 2-11
2-12: CYLINDER UNIT ASS'Y (Refer to Fig. 2-12)
Unlock the support 1 and remove the AHC Ass'y.
1.
Disconnect the following connector: (CD2001).
2.
Remove the 3 screws 2.
3.
Remove the Cylinder Unit Ass'y.
4.
NOTE
When you install the Cylinder Unit Ass'y, tighten the
1.
screws from (1) to (3) in order while pulling the Ass'y
toward the left front direction.
CD2001
Cylinder Unit Ass'y
AHC Ass'y
1
1
• Screw Torque: 5 ± 0.5kgf•cm (Screw 1 )
A/C Head Spring
A/C Head Base
Fig. 2-10-A
B2-4
(1)
• Screw Torque: 3 ± 0.5kgf•cm
(3)
(2)
2
2
2
Fig. 2-12
DISASSEMBLY INSTRUCTIONS
2-13: CAPSTAN DD UNIT (Refer to Fig. 2-13)
Remove the Capstan Belt.
1.
Remove the screw 1.
2.
Remove the Capstan Holder.
3.
Remove the 3 screws 2.
4.
Remove the Capstan DD Unit.
5.
Capstan Belt
Capstan Holder
Capstan DD Unit
Fig. 2-13
• Screw Torque: 4 ± 0.5kgf•cm
1
2
2
2
2-14: MAIN CAM/PINCH ROLLER CAM/JOINT GEAR
(Refer to Fig. 2-14-A)
1.2.Remove the E-Ring 1, then remove the Main Cam.
Remove the E-Ring 2, then remove the Pinch Roller
Cam and Joint Gear.
NOTE
1. In case of the Pinch Roller Cam and Main Cam installation, install them as shown in the circled section of Fig. 214-B so that the markers meet. (Refer to Fig. 2-14-B)
And also can be seen the Main Chassis hole through the
Main Cam maker hole.
Pinch Roller Cam
Marker
Main Cam
Fig. 2-14-B
2-15: LOADING GEAR S/T UNIT (Refer to Fig. 2-15-A)
1.2.Remove the E-Ring 1 and remove the Main Loading
Gear.
Remove the Main Rod, Tension Lever, Loading Arm S
Unit and Loading Arm T Unit.
1
Main Rod
Tension Lever
Main Loading Gear
Loading Arm T Unit
Loading Arm S Unit
1
Main Cam
2
Pinch Roller Cam
Joint Gear
Fig. 2-15-A
Fig. 2-14-A
B2-5
DISASSEMBLY INSTRUCTIONS
NOTE
1. When you install the Loading Arm S Unit, Loading Arm T
Unit and Main Loading Gear, align each marker. (Refer
to Fig. 2-15-B)
Marker
Main Loading Gear
Marker
Loading Arm T UnitLoading Arm S Unit
Fig. 2-15-B
2-16: CLUTCH ASS’Y/RING SPRING/CLUTCH LEVER/
CLUTCH GEAR (Refer to Fig. 2-16-A)
1.
Remove the Polyslider Washer 1.
2.
Remove the Clutch Ass’y and Ring Spring.
3.
Remove the Clutch Lever.
4.
Remove the Coupling Gear, Coupling Spring and Clutch
Gear.
2-17:
CASSETTE GUIDE POST/INCLINED BASE S/T
UNIT/P4 CAP/LED REFLECTOR
(Refer to Fig. 2-17-A)
Remove the P4 Cap.
1.
Unlock the support 1 and remove the Cassette Guide
2.
Post.
Remove the Inclined Base S/T Unit.
3.
Remove the screw 2.
4.
Remove the LED Reflector.
5.
Cassette Guide Post
1
Inclined Base S Unit
LED Reflector
Inclined Base T Unit
P4 Cap
1
Clutch Ass’y
Ring Spring
Coupling Gear
Coupling Spring
Clutch Gear
Clutch Lever
Fig. 2-16-A
NOTE
1. In case of the Clutch Ass’y installation, install it with
inserting the spring of the Clutch Ass’y into the dent of the
Coupling Gear. (Refer to Fig. 2-16-B)
Clutch Ass’y
2
Fig. 2-17-A
NOTE
1.
Do not touch the roller of Guide Roller.
2.
In case of the P4 Cap installation, install it with parallel
for “A” and “B” of Fig. 2-17-B.
3.
In case of the Cassette Guide Post installation, install
correctly as the circled section of Fig. 2-17-C.
“A”“B”
P4 Cap
Cassette Opener
Fig. 2-17-B
[OK]
Cassette Guide Post
[NG]
Cassette Guide Post
Coupling Gear
Fig. 2-16-B
Fig. 2-17-C
B2-6
DISASSEMBLY INSTRUCTIONS
3. REMOVAL OF DVD DECK PARTS
NOTE
1. Do not disassemble the DVD DECK PARTS except listed
parts here. Minute adjustments are needed if the
disassemble is done. If the repair is needed except listed
parts, replace the DVD MECHA ASS'Y.
3-1: TRAY (Refer to Fig. 3-1-A)
Set the Tray opened. (Refer to the DISC REMOVAL
1.
METHOD AT NO POWER SUPPLY)
Unlock the 2 supports 1 and remove the Tray.
2.
Main Frame Ass'y
Tray
NOTE
In case of the Tray installation, install them as the circled
1.
section of Fig. 3-1-B so that the each markers are met.
1
1
Fig. 3-1-A
1
2
2
Main Frame Ass'y
Insulator (R)
Main Chassis Ass'y
• Screw Torque: 2.0 ± 0.5kgf•cm
Fig. 3-2-A
NOTE
In case of the Main Chassis Ass'y, install it from (1) to (4)
1.
in order. (Refer to Fig. 3-2-B)
In case of the Main Chassis Ass'y installation, hook the
2.
wire on the Main Frame Ass'y as shown Fig. 3-2-C.
Main Frame Ass'y (Bottom Side)
(3)
Rack Loading
(3)
(3)
Traverse Holder
Main Frame Ass'y
Tray
3-2: MAIN CHASSIS ASS'Y (Refer to Fig. 3-2-A)
Remove the screw 1.
1.
Unlock the 2 supports 2.
2.
Remove the Insulator (R) from the Main Frame Ass'y.
3.
Remove the Main Chassis Ass'y.
4.
Fig. 3-1-B
(2)
(4)
Check Lock
Main Frame Ass'y
(4)
Check Hook
(1)
Main Chassis Ass'y
Fig. 3-2-B
Fig. 3-2-C
B3-1
DISASSEMBLY INSTRUCTIONS
3-3: LOADING MOTOR PCB ASS'Y/ LOADING BELT
(Refer to Fig. 3-3-A)
1.
Remove the Loading Belt.
2.
Remove the screw 1.
3.
Remove the 2 screws 2.
4.
Remove the Loading Motor PCB Ass'y.
5.
Remove the Pulley Gear.
Pulley Gear
Main Gear
Rack Loading
Main Frame Ass’y
Loading Belt
• Screw Torque: 2.5 ± 0.3kgf•cm (Screw 1)
• Screw Torque: 1.0 ± 0.3kgf•cm (Screw 2)
2
2
Main Frame Ass’y
Pulley Gear
1
Loading Motor PCB Ass’y
Fig. 3-3-A
NOTE
1.
In case of the Pulley Motor installation, check if the value
of the Fig. 3-3-B is correct.
2.
When installing the Loading Motor PCB Ass'y, install it
correctly as Fig. 3-3-C.
3.
In case of the Loading Motor PCB Ass'y installation, hook
the wire on the Main Frame Ass'y as shown Fig. 3-3-C.
Pulley Motor
Loading Motor
7.0 ± 0.1mm
2
1
Fig. 3-4-A
NOTE
1. In case of the Rack Loading installation, do not mesh it
to the Main Gear as shown the Fig. 3-4-B.
Rack Loading
Main Gear
Check Hook
Fig. 3-4-B
3-5: CLAMPER ASS'Y (Refer to Fig. 3-5-A)
Press the Clamper and rotate the Clamper Plate
1.
clockwise, then unlock the 3 supports 1.
Remove the Clamper Plate, Clamper Magnet and
2.
Clamper.
Clamper Plate
Clamper Magnet
Safety surface for pressing
Rack Loading
Check Hook
of the insert.
The Lever should be position
between A and B.
Loading Motor PCB Ass’y
AB
Fig. 3-3-B
Fig. 3-3-C
3-4: RACK LOADING/MAIN GEAR/PULLEY GEAR
(Refer to Fig. 3-4-A)
1.
Press down the catcher 1 and slide the Rack Loading.
2.
Unlock the support 2 and remove the Pulley Gear.
3.
Remove the Main Gear.
1
1
Clamper
1
NOTE
1. In case of the Clamper Ass'y installation, install correctly
as Fig. 3-5-B.
Clamper Plate
Clamper
No gap
B3-2
Main Frame
Fig. 3-5-A
Fig. 3-5-B
DISASSEMBLY INSTRUCTIONS
3-6:
TRAVERSE HOLDER/INSULATOR (F)/INSULATOR
(R) (Refer to Fig. 3-6-A)
Remove the Traverse Holder.
1.
Remove the 2 Insulator (F).
2.
Remove the Insulator (R).
3.
Main Chassis Ass'y
Insulator (F)
Traverse Holder
Insulator (F)
Insulator (R)
Fig. 3-6-A
NOTE
1.2.In case of the Insulator (F) installation, install correctly as
Fig. 3-6-B.
In case of the Insulator (R) installation, install correctly as
Fig. 3-6-C.
Insulator (F)
Traverse Holder
Fig. 3-6-B
NOTE
1.
When pushing the Rack Feed in the direction of the
arrow, it should be restored to the original position by the
spring force. (Refer to Fig. 3-7-B)
2.
In case of the Motor Gear installation, check if the value
of the Fig. 3-7-C is correct.
3.
When installing the wire of the Switch PCB Ass'y, install it
correctly as Fig. 3-7-D.
4.
After the assembly of the Main Chassis Ass'y, hook the
wire on the Main Chassis Ass'y as shown Fig. 3-7-E.
Push
Rack Feed Ass'y
Fig. 3-7-B
Motor Gear
Feed Motor
Safety surface for pressing
of the insert.
6.0 ± 0.2mm
Fig. 3-7-C
Insulator (R)
3-7:
RACK FEED ASS'Y/SWITCH PCB ASS'Y/FEED
Main Chassis Ass'y (Top Side)
MOTOR (Refer to Fig. 3-7-A)
Remove the screw 1.
1.
Remove the Rack Feed Ass'y.
2.
Remove the screw 2.
3.
Remove the Switch PCB Ass'y.
4.
Remove the 2 screw 3.
5.
Remove the Feed Motor.
6.
Remove the Motor Gear.
7.
1
2
Switch PCB Ass'y
Main Chassis Ass'y
• Screw Torque: 5.0 ± 0.3kgf•cm (Screw 1)
• Screw Torque: 3.0 ± 0.3kgf•cm (Screw 2)
• Screw Torque: 1.0 ± 0.3kgf•cm (Screw 3)
Rack Feed Ass'y
3
3
Motor Gear
Fig. 3-6-C
Feed Motor
Fig. 3-7-A
B3-3
~ FEED MOTOR ~
Switch PCB Ass'y
~ SPINDLE MOTOR ~
• Install wire from (1) to (4) in order.
Main Chassis Ass'y (Bottom Side)
Check Hook
Check Hook
• Loosen the wire in the direction of the arrow.
Check Hook
BLUE (4)
ORANGE (3)
BLACK (2)
RED (1)
Fig. 3-7-D
Check Hook
Fig. 3-7-E
DISASSEMBLY INSTRUCTIONS
3-8: FFC WIRE HANDLING
1.
When installing the FFC, fold it correctly and install it as
shown from Fig. 3-8-A to Fig. 3-8-C.
NOTE
Do not make the folding lines except the specified
1.
positions for the FFC.
[ 24 pin FFC ]
Fold it by 90˚
43 ± 1mm
[ 6 pin FFC ]
(1)
(2)
• Proceed the steps (1) through (4).
Reinforcement Plate
59 ± 1mm
Printing Surface
10 ± 1mm
Printing Surface
Printing Surface
Fold
Fold
Printing Surface
(3)
(4)
Pick Up Side
Printing Surface
Fold
Printing Surface
Fold
Printing Surface
44 ± 1mm
54 ± 1mm
Fig. 3-8-A
Reinforcement Plate
10 ± 1mm
Reinforcement Plate
Fold
Fig. 3-8-B
[ 5 pin FFC ]
(1)
(2)
• Proceed the steps (1) through (4).
Reinforcement Plate
55 ± 1mm
Printing Surface
10 ± 1mm
Printing Surface
Fold
Fold
Printing Surface
(3)
(4)
Printing Surface
Fold
Printing Surface
60 ± 1mm
Reinforcement Plate
10 ± 1mm
Reinforcement Plate
Fold
Fig. 3-8-C
B3-4
DISASSEMBLY INSTRUCTIONS
4. REMOVAL OF ANODE CAP
Read the following NOTED items before starting work.
After turning the power off there might still be a potential
*
voltage that is very dangerous. When removing the
Anode Cap, make sure to discharge the Anode Cap's
potential voltage.
*
Do not use pliers to loosen or tighten the Anode Cap
terminal, this may cause the spring to be damaged.
REMOVAL
1. Follow the steps as follows to discharge the Anode Cap.
(Refer to Fig. 4-1.)
Connect one end of an Alligator Clip to the metal part of a
flat-blade screwdriver and the other end to ground.
While holding the plastic part of the insulated Screwdriver,
touch the support of the Anode with the tip of the
Screwdriver.
A cracking noise will be heard as the voltage is discharged.
GND on the CRT
3. After one side is removed, pull in the opposite direction to
remove the other.
NOTE
Take care not to damage the Rubber Cap.
INSTALLATION
1. Clean the spot where the cap was located with a small
amount of alcohol. (Refer to Fig. 4-3.)
NOTE
Confirm that there is no dirt, dust, etc. at the spot where
the cap was located.
Location of Anode Cap
Fig. 4-3
2.3.Arrange the wire of the Anode Cap and make sure the
wire is not twisted.
Turn over the Rubber Cap. (Refer to Fig. 4-4.)
Screwdriver
Alligator Clip
GND on the CRT
Flip up the sides of the Rubber Cap in the direction of the
2.
arrow and remove one side of the support.
(Refer to Fig. 4-2.)
Rubber Cap
CRT
Support
Support
CRT
Fig. 4-1
Fig. 4-2
4. Insert one end of the Anode Support into the anode button,
then the other as shown in Fig. 4-5.
Support
CRT
5.6.Confirm that the Support is securely connected.
Put on the Rubber Cap without moving any parts.
B4-1
Fig. 4-4
Fig. 4-5
DISASSEMBLY INSTRUCTIONS
5. REMOVAL AND INSTALLATION OF FLAT
PACKAGE IC
REMOVAL
1. Put Masking Tape (cotton tape) around the Flat Package
IC to protect other parts from any damage.
(Refer to Fig. 5-1.)
NOTE
Masking is carried out on all the parts located within
10 mm distance from IC leads.
Masking Tape
(Cotton Tape)
2. Heat the IC leads using a blower type IC desoldering
machine. (Refer to Fig. 5-2.)
NOTE
Do not rotate or move the IC back and forth , until IC
can move back and forth easily after desoldering the
leads completely.
IC
Fig. 5-1
Blower type IC
desoldering machine
3. When IC starts moving back and forth easily after
desoldering completely, pickup the corner of the IC using
a tweezers and remove the IC by moving with the IC
desoldering machine. (Refer to Fig. 5-3.)
NOTE
Some ICs on the PCB are affixed with glue, so be
careful not to break or damage the foil of each IC
leads or solder lands under the IC when removing it.
Blower type IC
desoldering machine
Tweezers
IC
4.5.Peel off the Masking Tape.
Absorb the solder left on the pattern using the Braided
Shield Wire. (Refer to Fig. 5-4.)
NOTE
Do not move the Braided Shield Wire in the vertical
direction towards the IC pattern.
Fig. 5-3
Braided Shield Wire
Soldering Iron
IC
Fig. 5-2
IC pattern
Fig. 5-4
B5-1
DISASSEMBLY INSTRUCTIONS
INSTALLATION
1. Take care of the polarity of new IC and then install the
new IC fitting on the printed circuit pattern. Then solder
each lead on the diagonal positions of IC temporarily.
(Refer to Fig. 5-5.)
Soldering Iron
Solder temporarily
Solder temporarily
Fig. 5-5
2. Supply the solder from the upper position of IC leads
sliding to the lower position of the IC leads.
(Refer to Fig. 5-6.)
4. When bridge-soldering between terminals and/or the
soldering amount are not enough, resolder using a Thintip Soldering Iron. (Refer to Fig. 5-8.)
IC
Thin-tip Soldering Iron
Fig. 5-8
5. Finally, confirm the soldering status on four sides of the
IC using a magnifying glass.
Confirm that no abnormality is found on the soldering
position and installation position of the parts around the
IC. If some abnormality is found, correct by resoldering.
NOTE
When the IC leads are bent during soldering and/or
repairing, do not repair the bending of leads. If the
bending of leads are repaired, the pattern may be
damaged. So, always be sure to replace the IC in this
case.
Solder
IC
Supply soldering
from upper position
to lower position
Soldering Iron
Fig. 5-6
3. Absorb the solder left on the lead using the Braided
Shield Wire. (Refer to Fig. 5-7.)
NOTE
Do not absorb the solder to excess.
Soldering Iron
IC
Braided Shield Wire
Fig. 5-7
B5-2
A
A/C
ACC
AE
AFC
AFT
AFT DET
AGC
AMP
ANT
A.PB
APC
ASSíY
AT
AUTO
A/V
B
BGP
BOT
BPF
BRAKE SOL
BUFF
B/W
C
C
CASE
CAP
CARR
CH
CLK
CLOCK (SY-SE)
COMB
CONV
CPM
CTL
CYL
CYL-M
CYL SENS
D
DATA (SY-CE)
dB
DC
DD Unit
DEMOD
DET
DEV
E
E
EF
EMPH
ENC
ENV
EOT
EQ
EXT
F
F
FBC
FE
FF
FG
FL SW
FM
FSC
FWD
G
GEN
GND
H
H.P.F
KEY TO ABBREVIATIONS
:
Audio/Control
:
Automatic Color Control
:
Audio Erase
:
Automatic Frequency Control
:
Automatic Fine Tuning
:
Automatic Fine Tuning Detect
:
Automatic Gain Control
:
Amplifier
:
Antenna
:
Audio Playback
:
Automatic Phase Control
:
Assembly
:
All Time
:
Automatic
:
Audio/Video
:
Burst Gate Pulse
:
Beginning of Tape
:
Bandpass Filter
:
Brake Solenoid
:
Buffer
:
Black and White
:
Capacitance, Collector
:
Cassette
:
Capstan
:
Carrier
:
Channel
:
Clock
:
Clock (Syscon to Servo)
:
Combination, Comb Filter
:
Converter
:
Capstan Motor
:
Control
:
Cylinder
:
Cylinder-Motor
:
Cylinder-Sensor
:
Data (Syscon to Servo)
:
Decibel
:
Direct Current
:
Direct Drive Motor Unit
:
Demodulator
:
Detector
:
Deviation
:
Emitter
:
Emitter Follower
:
Emphasis
:
Encoder
:
Envelope
:
End of Tape
:
Equalizer
:
External
:
Fuse
:
Feed Back Clamp
:
Full Erase
:
Fast Forward, Flipflop
:
Frequency Generator
:
Front Loading Switch
:
Frequency Modulation
:
Frequency Sub Carrier
:
Forward
:
Generator
:
Ground
:
High Pass Filter
C1-1
H.SW
Hz
I
IC
IF
IND
INV
K
KIL
L
L
LED
LIMIT AMP
LM, LDM
LP
L.P.F
LUMI.
M
M
MAX
MINI
MIX
MM
MOD
MPX
MS SW
N
NC
NR
O
OSC
OPE
P
PB
PB CTL
PB-C
PB-Y
PCB
P. CON
PD
PG
P-P
R
R
REC
REC-C
REC-Y
REEL BRK
REEL S
REF
REG
REW
REV, RVS
RF
RMC
RY
S
S. CLK
S. COM
S. DATA
SEG
SEL
SENS
SER
SI
SIF
SO
SOL
SP
STB
SW
:
Head Switch
:
Hertz
:
Integrated Circuit
:
Intermediate Frequency
:
Indicator
:
Inverter
:
Killer
:
Left
:
Light Emitting Diode
:
Limiter Amplifier
:
Loading Motor
:
Long Play
:
Low Pass Filter
:
Luminance
:
Motor
:
Maximum
:
Minimum
:
Mixer, mixing
:
Monostable Multivibrator
:
Modulator, Modulation
:
Multiplexer, Multiplex
:
Mecha State Switch
:
Non Connection
:
Noise Reduction
:
Oscillator
:
Operation
:
Playback
:
Playback Control
:
Playback-Chrominance
:
Playback-Luminance
:
Printed Circuit Board
:
Power Control
:
Phase Detector
:
Pulse Generator
:
Peak-to Peak
:
Right
:
Recording
:
Recording-Chrominance
:
Recording-Luminance
:
Reel Brake
:
Reel Sensor
:
Reference
:
Regulated, Regulator
:
Rewind
:
Reverse
:
Radio Frequency
:
Remote Control
:
Relay
:
Serial Clock
:
Sensor Common
:
Serial Data
:
Segment
:
Select, Selector
:
Sensor
:
Search Mode
:
Serial Input
:
Sound Intermediate Frequency
:
Serial Output
:
Solenoid
:
Standard Play
:
Serial Strobe
:
Switch
S
SYNC
SYNC SEP
T
TR
TRAC
TRICK PB
TP
U
UNREG
V
V
VCO
VIF
VP
V.PB
VR
V.REC
VSF
VSR
VSS
V-SYNC
VT
X
XíTAL
Y
Y/C
KEY TO ABBREVIATIONS
:
Synchronization
:
Sync Separator, Separation
:
Transistor
:
Tracking
:
Trick Playback
:
Test Point
:
Unregulated
:
Volt
:
Voltage Controlled Oscillator
:
Video Intermediate Frequency
:
Vertical Pulse, Voltage Display
:
Video Playback
:
Variable Resistor
:
Video Recording
:
Visual Search Fast Forward
:
Visual Search Rewind
:
Voltage Super Source
:
Vertical-Synchronization
:
Voltage Tuning
:
Crystal
:
Luminance/Chrominance
C1-2
SERVICE MODE LIST
This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter to the SERVICE MODE, unplug AC cord till lost actual clock time. Then press and hold Vol (-) button of main unit and
remocon key simultaneously.
The both pressing of set key and remote control key will not be possible if clock has been set. To reset clock, either unplug AC
cord and allow at least 5 seconds before Power On.
Set KeyRemocon KeyOperations
VOL. (-) MIN
VOL. (-) MIN1
VOL. (-) MIN
VOL. (-) MIN4
VOL. (-) MIN5
VOL. (-) MIN6
VOL. (-) MIN9
0
3
Standard Time
(seconds)
2
2
2
2
2Also can be adjusted by pressing the ATR button for more than
2
2
Releasing of V-CHIP PASSWORD.
Initialization of factory data.
NOTE:
Adjust the PG SHIFTER automatically.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Adjust the PG SHIFTER manually.
Refer to the "ELECTRICAL ADJUSTMENT" (PG SHIFTER).
Do not use this for normal servicing.
If you set factory initialization, the memories are reset such as
the channel setting, the POWER ON total hours, and PLAY/
REC total hours.
Adjusting of the Tracking to the center position.
NOTE:
2 seconds during PLAY.
POWER ON total hours and PLAY/REC total hours are displayed on
the screen.
Refer to the "PREVENTIVE CHECKS AND SERVICE INTERVALS"
(CONFIRMATION OF HOURS USED).
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display
Adjustment).
Initialization of factory DVD data.
REC/OTR42
STOP (DVD)73
STOP (DVD)93
Set KeySet KeyOperations
VOL. (-) MINFF2
MethodOperations
Press the following remocon keys
continuously.
SETUP SUBTITLE 3
AUDIO SERECT 0
Standard Time
(seconds)
Tray cannot be opened.
Refer to the “TRAY LOCK”.
NOTE: Do not use this for normal servicing.
While pressing the Remocon Key for more than the Standard
Time, press the Set Key simultaneously.
Releasing of PARENTAL LOCK.
Refer to the "PARENTAL CONTROL - RATING LEVEL".
Tray cannot be opened.
Refer to the “TRAY LOCK”
The BOT, EOT, and the Reel Sensor do not work and the VCR deck
can be operated without a cassette tape.
Refer to the "PREPARATION FOR SERVICING"
C2-1
PREVENTIVE CHECKS AND SER VICE INTERV ALS
The following standard table depends on environmental conditions and usage.
Parts replacing time does not mean the life span for individual parts.
Also, long term storage or misuse may cause transformation and aging of rubber parts.
The following list means standard hours, so the checking hours depends on the conditions.
Time
Parts Name
Audio Control Head
Full Erase Head
(Recorder only)
Capstan Belt
Pinch Roller
Capstan DD Unit
Loading Motor
Tension Band
T Brake Band
Clutch Assíy
Idler Arm Assíy
Capstan Shaft
Tape Running
Guide Post
Cylinder Unit
: Clean
: Check it and if necessary, replace it.
500
hours
1,000
hours
1,500
hours
2,000
hours
2,500
hours
Notes
Clean those parts in
contact with the tape.
Clean the rubber, and parts
which the rubber touches.
Replace when rolling
becomes abnormal.
Clean the Head
CONFIRMATION OF HOURS USED
POWER ON total hours and PLAY/REC total hours can be checked on the screen.
Total hours are displayed in 16 system of notation.
NOTE:I f you set factory initialization, the total hours is reset to "0".
Initial Data setting will not be possible if clock has been set. To reset clock, either unplug AC cord and
allow at least 5 seconds before Power On or alternatively, discharge backup capacitor.
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and the Channel button (6) on the remote control for more than 2 seconds.
3.
After the confirmation of using hours, turn off the power.
INIT 00 0F
POWER ON 0010
PLAY/REC 0003
(16 x 16 x 16 x thousands digit value) + (16 x 16 x hundreds digit value) + (16 x tens digit value) + (ones digit value)
C3-1
Initial setting content of MEMORY IC.
POWER ON total hours.
PLAY/REC total hours.
PREVENTIVE CHECKS AND SER VICE INTERV ALS
CLEANING
NOTE
After cleaning the heads with isopropyl alcohol, do not
run a tape until the heads dry completely. If the heads
are not completely dry and alcohol gets on the tape,
damage may occur.
1. AUDIO CONTROL HEAD
Clean the Audio Control Head with a cotton stick
soaked by alcohol. Clean the full erase head in the
same manner. (Refer to the figure below.)
Audio Control Head
2. TAPE RUNNING SYSTEM
When cleaning the tape transport system, use gauze
moistened with isopropyl alcohol.
3. CYLINDER
Wrap a piece of chamois around your finger. Dip it in
isopropyl alcohol. Hold it to the cylinder head softly.
Turn the cylinder head counterclockwise to clean it (in
the direction of the arrow). (Refer to the figure below.)
NOTE
Do not exert force against the cylinder head. Do not move
the chamois upward or downward on the head.
Use the chamois one by one.
Cylinder Head
C3-2
WHEN REPLACING EEPROM (MEMORY) IC
If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to
ensure correct data settings while making reference to TABLE 1.
VSR Torque, Brake Torque (S Reel/T Reel Ass'y)
Brake Torque (T Reel Ass'y)
VSR Torque, Brake Torque (S Reel)
PREPARATION FOR SERVICING
How to use the Servicing Fixture
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and the FF button on the set for more than 2 seconds.
(The BOT, EOT, and the Reel Sensor do not work and the VCR deck can be operated without a cassette tape.)
3.
In case of using a cassette tape, press the STOP/EJECT button to insert or eject a cassette tape.
Turn on the power and re-check the cable before checking the trouble points.
D1-1
MECHANICAL ADJUSTMENTS
1. CONFIRMATION AND ADJUSTMENT
Read the following NOTES before starting work.
• Place an object which weighs between 450g~500g on the
Cassette Tape to keep it steady when you want to make
the tape run without the Cassette Holder. (Do not place an
object which weighs over 500g.)
CONFIRMATION AND ADJUSTMENT OF REEL
1-1:
DISK HEIGHT
1.
Turn on the power and set to the STOP mode.
2.
Set the master plane (JG022) and reel disk height
adjustment jig (JG024A) on the mechanism framework,
taking care not to scratch the drum, as shown in Fig. 1-1-A.
3.
While turning the reel and confirm the following points.
Check if the surface "A" of reel disk is lower than the
surface "B" of reel disk height adjustment jig (JG024A)
and is higher than the surface "C". If it is not passed,
place the height adjustment washers and adjust to 10(+2,
-0)mm.
4.
Adjust the other reel in the same way.
Master Plane (JG022)
Reel Disk Height Adjustment Jig
(JG024A)
1-2: CONFIRMATION AND ADJUSTMENT OF TENSION
POST POSITION
1.
Set to the PLAY mode.
2.
Adjust the adjusting section for the Tension Arm position
so that the Tension Arm top is within the standard line of
Main Chassis.
3.
While turning the S Reel clockwise, confirm that the edge
of the Tension Arm is located in the position described
above.
Standard line of Main Chassis
Tension Arm
0.5mm (Adjusting range)
Adjusting section for the
Tension Arm position
Tension Band
Fig. 1-2-A
Master Plane (JG022)
10(+0.2, -0)mm
Reel Disk
Height Adjustment
Washer
2.6x4.7xT0.13
2.6X4.7xT0.25
Reel Disk Height
Adjustment Jig
(JG024A)
(B)
(A)
Fig. 1-1-A
(C)
Fig. 1-1-B
The Tension Arm top will
move to the inside direction
of the Main Chassis.
Bend
The Tension Arm top will
move to the outside direction
of the Main Chassis.
Fig. 1-2-B
1-3: CONFIRMATION OF PLAYBACK TORQUE AND
BACK TENSION TORQUE DURING PLAYBACK
Load a video tape (T-120) recorded in standard speed mode.
1.
Set the unit to the PLAY mode.
Install the tentelometer (JG185) as shown in Fig. 1-3. Confirm
2.
that the meter indicates 20 ± 2gf in the beginning of playback.
• USING A CASSETTE TYPE TORQUE TAPE (KT-300NR)
1.
After confirmation and adjustment of Tension Post
position (Refer to item 1-2), load the cassette type torque
tape (KT-300NR) and set to the PLAY mode.
2.
Confirm that the right meter of the torque tape indicates
50~90gf•cm during playback in SP mode.
3.
Confirm that the left meter of the torque tape indicates
25~40gf•cm during playback in SP mode.
Tentelometer
(JG185)
Video Tape
D2-1
P1 Post
Guide Roller
Fig. 1-3
MECHANICAL ADJUSTMENTS
1-4: CONFIRMATION OF VSR TORQUE
Install the Torque Gauge (JG002F) and Adapter (JG002B)
1.
on the S Reel. Set to the Picture Search (Rewind) mode.
(Refer to Fig.1-4-B)
Then, confirm that it indicates 120~180gf•cm.
2.
NOTE
Install the Torque Gauge on the reel disk firmly. Press the
REW button to turn the reel disk.
1-5: CONFIRMATION OF REEL BRAKE TORQUE
(S Reel Brake) (Refer to Fig. 1-4-B)
Once set to the Fast Forward mode then set to the Stop
1.
mode. While, unplug the AC cord when the Pinch Roller
Block is on the position of Fig. 1-4-A.
Move the Idler Ass'y from the S Reel.
2.
Install the Torque Gauge (JG002F) and Adapter
3.
(JG002B) on the S Reel. Turn the Torque Gauge
(JG002F) clockwise.
Then, confirm that it indicates 60~100gf•cm.
4.
(T Reel Brake) (Refer to Fig. 1-4-B)
Once set to the Fast Forward mode then set to the Stop
1.
mode. While, unplug the AC cord when the Pinch Roller
Block is on the position of Fig. 1-4-A.
Move the Idler Ass'y from the T Reel.
2.
Install the Torque Gauge (JG002E) and Adapter
3.
(JG002B) on the T reel. Turn the Torque Gauge
(JG002E) counterclockwise.
Then, confirm that it indicates 30~50gf•cm.
4.
The position at FF mode.
Pinch Roller Block
Stop at this position.
Cassette
The position at
STOP mode.
Capstan DD Unit
Cassette Holder Ass'y
Opener
Fig. 1-4-A
Torque Gauge/Adapter
(JG002F/JG002B)
Torque Gauge/Adapter
(JG002E/JG002B)
NOTE
If the torque is out of the range, replace the following parts.
Check item
1-4
1-5
S Reel side:
Replacement Part
Idler Ass'y/Clutch Ass'y
S Reel/Tension Band/Tension
Connect/Tension Arm Ass'y
T Reel side:
T Reel/T Brake Band//T Brake
Spring/T Brake Arm
2. CONFIRMATION AND ADJUSTMENT
OF TAPE RUNNING MECHANISM
Tape Running Mechanism is adjusted precisely at the
factory. Adjustment is not necessary as usual. When you
replace the parts of the tape running mechanism because of
long term usage or failure, the confirmation and adjustment
are necessary.
2-1: GUIDE ROLLER
Playback the VHS Alignment Tape.
1.
Connect CH-1 of the oscilloscope to TP4501 (Envelope)
2.
and CH-2 to TP102 (SW Pulse).
Press and hold the Digital Tracking button on the remote
3.
control more than 2 seconds to set tracking to center.
Trigger with SW Pulse and observe the envelope. (Refer
4.
to Fig. 2-1-A)
When observing the envelope, adjust the Taper Nut Driver
5.
slightly until the envelope will be flat.
Even if you press the Tracking Button, adjust so that
flatness is not moved so much.
Adjust so that the A : B ratio is better than 3 : 2 as shown
6.
in Fig. 2-1-B, even if you press the Tracking Button to
move the envelope (The envelope waveform will begin to
decrease when you press the Tracking Button).
Adjust the PG shifter during playback.
7.
(Refer to the ELECTRICAL ADJUSTMENTS)
NOTE
After adjustment, confirm and adjust A/C head.
(Refer to item 2-2)
CH-1
Envelope
(TP4501)
CH-1
CH-2
Track
CH-2
SW Pulse (TP102)
Track
S Reel
T Reel
Fig. 1-4-B
D2-2
Max
Entrance
A
B
A : B ≥ 3 : 2
Fig. 2-1-A
Exit
Max
Fig. 2-1-B
MECHANICAL ADJUSTMENTS
CONFIRMATION AND ADJUSTMENT OF AUDIO/
CONTROL HEAD
When the Tape Running Mechanism does not work well,
adjust the following items.
1.
Playback the VHS Alignment Tape.
2.
Confirm that the reflected picture of stamp mark is
appeared on the tape prior to P4 Cap as shown in Fig. 2-2-A.
When the reflected picture is distorted, turn the screw
a)
1 clockwise until the distortion is disappeared.
When the reflected picture is not distorted, turn the
b)
screw 1 counterclockwise until little distortion is
appeared, then adjust the a).
3.
Turn the screw 2 to set the audio level to maximum.
4.
Confirm that the bottom of the Audio/ Control Head and
the bottom of the tape is shown in Fig. 2-2-C.
When the height is not correct, turn the screw 3 to
c)
adjust the height. Then, adjust the 1~3 again.
Audio/Control Head
Reflected picture of
Stamp Mark
P4 Cap
TAPE RUNNING ADJUSTMENT
2-3:2-2:
(X VALUE ADJUSTMENT)
Confirm and adjust the height of the Reel Disk.
1.
(Refer to item 1-1)
Confirm and adjust the position of the Tension Post.
2.
(Refer to item 1-2)
Adjust the Guide Roller. (Refer to item 2-1)
3.
Confirm and adjust the Audio/Control Head.
4.
(Refer to item 2-2)
Connect CH-1 of the oscilloscope to TP102, CH-2 to
5.
TP4501 and CH-3 to HOT side of Audio Out Jack.
Playback the VHS Alignment Tape.
6.
Press and hold the Digital Tracking button on the remote
7.
control more than 2 seconds to set tracking to center.
Set the X Value adjustment driver (JG153) to the 4 of
8.
Fig. 2-2-B. Adjust X value so that the envelope waveform
output becomes maximum. Check if the relation between
Audio and Envelope waveform becomes (1) or (2) of Fig.2-3.
Envelope
(1)
CH-3
Audio
(2)
Audio/Control Head
3
2
Audio/Control Head
Tape
Stamp Mark
Fig. 2-3
Fig. 2-2-A
1
4
Fig. 2-2-B
0.25±0.05mm
Fig. 2-2-C
D2-3
MECHANICAL ADJUSTMENTS
3. MECHANISM ADJUSTMENT PARTS LOCATION GUIDE
3
4
5
6
2
1
8910
1. Tension Connect
2. Tension Arm
3. Guide Roller
4. Audio/Control Head
5. X value adjustment driver hole
6.
P4 Post
7.
T Brake Spring
8.
T Reel
9.
S Reel
10.
Adjusting section for the Tension Arm position
7
D2-4
ELECTRICAL ADJUSTMENTS
1.
BEFORE MAKING ELECTRICAL
ADJUSTMENTS
Read and perform these adjustments when repairing the
circuits or replacing electrical parts or PCB assemblies.
CAUTION
•
Use an isolation transformer when performing any service
on this chassis.
•
Before removing the anode cap, discharge electricity
because it contains high voltage.
•
When removing a PCB or related component, after
unfastening or changing a wire, be sure to put the wire
back in its original position.
•
When you exchange IC and Transistor with a heat sink,
apply silicon grease on the contact section of the heat
sink. Before applying new silicon grease, remove all the old
silicon grease. (Old grease may cause damages to the IC
and Transistor).
Prepare the following measurement tools for
electrical adjustments.
1. Oscilloscope
2. Digital Voltmeter
3. Multi-sound Generator
4. Pattern Generator
On-Screen Display Adjustment
Unplug the AC plug for more than 5 seconds to set the
1.
clock to the non-setting state. Then, set the volume level
to minimum.
Press the VOL. DOWN button on the set and the
2.
Channel button (9) on the remote control for more than
2 seconds to appear the adjustment mode on the screen
as shown in Fig. 1-1.
TV
00 OSD 05
Fig. 1-1
3.
Use the Channel UP/DOWN button or Channel button
(0-9) on the remote control to select the options shown
in Fig. 1-2 .
4.
Press the MENU button on the remote control to end the
adjustments.
BRI MAX
BRI MIN
CONT CENT
CONT MAX
CONT MIN
COL CENT
COL MAX
COL MIN
TINT
SHARP
SUB BIAS
H.SIZE
PARABOLA
TRAPEZIUM
COR TOP
COR BTM
H.COMP
T.STE
H.FREQ
Fig. 1-2
2. BASIC ADJUSTMENTS
(VCR SECTION)
2-1: PG SHIFTER
1.
Connect CH-1 on the oscilloscope to TP102 and CH-2 to
TP4201.
2.
Playback the alignment tape.
3.
Press both VOL. DOWN button on the set and the
Channel button (5) on the remote control for more than
2 seconds to set tracking to center.
4.
Press the VOL. DOWN button on the set and the channel
button (3) on the remote control for more than 2
seconds until the indicator REC disappears. If the
indicator REC disappears, adjustment is completed.
(If the above adjustments doesn't work well:)
5.6.Press the VOL. DOWN button on the set and the channel
button (3) on the remote control for more than 2
seconds until the indicator REC disappears.
When the REC indicator is blinking, press both VOL.
DOWN button on the set and the channel button (4) on
the remote control for more than 2 seconds and adjust
the Tracking +/- button until the arising to the down of
Head Switching Pulse becomes 6.5 ± 0.5H.
(Refer to Fig. 2-1-A, B)
CH-2
6.5H
CH-1
Fig. 2-1-A
D3-1
CH-2
CH-1
6.5H
Fig. 2-1-B
ELECTRICAL ADJUSTMENTS
(TV SECTION)
2-2: CONSTANT VOLTAGE
1.
Place the set in AV MODE without signal.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Connect the digital voltmeter to TP401.
4.
Adjust the VR1701 until the digital voltmeter is 120 ± 5V.
2-3: CUT OFF
1.
Adjust the unit to the following settings.
R.BIAS=127, G.BIAS=127, B.BIAS=127, R.DRV=63,
G.DRV=07, B.DRV=63.
2.
Place the set in Aging Test for more than 15 minutes.
3.
Place the set in AV MODE without signal.
4.
Using the remote control, set the brightness and contrast
to normal position.
5.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (02) on the remote control to
select "CUT OFF".
6.
Adjust the Screen Volume until a dim raster is obtained.
2-4: WHITE BALANCE
NOTE: Adjust after performing CUT OFF adjustment.
1.
Place the set in Aging Test for more than 15 minutes.
2.
Receive the gray scale pattern from the Pattern
Generator.
3.
Using the remote control, set the brightness and contrast
to normal position.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (11) on the remote control to
select "R.BIAS".
5.
Press the CH. UP/DOWN button on the remote control to
select the "R.BIAS", "G.BIAS", "B.BIAS", "R.DRV",
"B.DRV" or "G.DRV".
6.
Adjust the LEFT/RIGHT button on the remote control to
whiten the R.BIAS, G.BIAS, B.BIAS, R.DRV, B.DRV, and
G.DRV at each step tone sections equally.
7.
Perform the above adjustments 5 and 6 until the white
color is achieved.
2-5: FOCUS
1.
Receive the monoscope pattern.
2.
Turn the Focus Volume fully counterclockwise once.
3.
Adjust the Focus Volume until picture is distinct.
2-6: HORIZONTAL POSITION
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (03) on the remote control to
select "H.POSI".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right and
left becomes minimum.
2-7: HORIZONTAL SIZE
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (29) on the remote control to
select "H. SIZE".
4.
Press the LEFT/RIGHT button on the remote control until
the SHIFT quantity of the OVER SCAN on right and left
becomes 10 ± 4%.
2-8: VERTICAL POSITION
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (07) on the remote control to
select "V.POSI".
4.
Check if the step No. V.POSI is "00".
5.
Adjust the VR404 until the horizontal line becomes fit to
the notch of the shadow mask. (Refer to Fig.2-2)
horizontal line
Notch
Shadow mask
Fig. 2-2
2-9: VERTICAL SIZE
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (06) on the remote control to
select "V.SIZE".
4.
Press the VOL. UP/DOWN button on the remote control
until the Up/Down OVER SCAN Quantity becomes equal
to the Right/Left OVER SCAN Quantity.
2-10: VERTICAL LINEARITY
NOTE: Adjust after performing adjustments in section 2-9.
After the adjustment of Vertical Linearity, reconfirm
the Vertical Position and Vertical Size adjustments.
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (08) on the remote control to
select "V.LIN".
4.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes minimum.
D3-2
ELECTRICAL ADJUSTMENTS
2-11: TRAPEZIUM
1.
Receive the crosshatch signal from the Pattern Generator.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (31) on the remote control to
select "TRAPEZIUM".
4.
Press the VOL. UP/DOWN button on the remote control
until the both vertical lines of the screen become parallel.
2-12: PARABOLA
1.
Receive the crosshatch signal from the Pattern Generator.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (30) on the remote control to
select "PARABOLA".
4.
Press the VOL. UP/DOWN button on the remote control
until the right and left vertical lines are straight.
2-13: CORNER CORR TOP
1.
Receive the crosshatch signal from the Pattern Generator.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (32) on the remote control to
select "COR TOP".
4.
Press the VOL. UP/DOWN button on the remote control
until the upper section of both ends of the vertical lines
are straight.
2-14: CORNER CORR BOTTOM
1.
Receive the crosshatch signal from the Pattern Generator.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (33) on the remote control to
select "COR BTM".
4.
Press the VOL. UP/DOWN button on the remote control
until the bottom section of both ends of the vertical lines
are straight.
2-16: BRIGHT CENTER
Activate the adjustment mode display of Fig. 1-1 and
1.
press the channel button (17) on the remote control to
select "BRI CENT".
Press the LEFT/RIGHT button on the remote control
2.
until the white 0% is starting to be visible.
Press the INPUT SELECT button on the remoted control
3.
to set to the AV mode. Then perform the above
adjustments 1, 2.
Press the DVD button on the remote control to set to the
4.
DVD mode.
Activate the adjustment mode display of Fig. 1-1 and
5.
press the channel button (17) on the remote control to
select "BRI CENT".
Press the VOL. UP/DOWN button on the remote control
6.
to set the same step numbers as the AV mode.
2-17: TINT
1.
Receive the color bar pattern. (RF Input)
2.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
3.
Connect the oscilloscope to TP803.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (26) on the remote control to
select "TINT".
5.
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes a straight line
(Refer to Fig. 2-4).
6.
Receive the color bar pattern. (Audio Video Input)
7.
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~5.
8.
Press the DVD button on the remote control to set to the
DVD mode.
9.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (51) on the remote control to
select "TNTCD".
10.
Press the VOL. UP/DOWN button on the remote control
until the contrast step No. becomes "70".
2-15: OSD HORIZONTAL
Activate the adjustment mode display of Fig. 1-1.
1.
Press the VOL. UP/DOWN button on the remote control
2.
until the difference of A and B becomes minimum.
(Refer to Fig. 2-3)
TV
00 OSD 05
BA
"A"
Fig. 2-4
Fig. 2-3
D3-3
ELECTRICAL ADJUSTMENTS
2-18: COLOR CENTER
1.
Receive the color bar pattern. (RF Input)
2.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
3.
Connect the oscilloscope to TP802.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "COL CENT".
5.
Adjust the VOLTS RANGE VARIABLE knob of the
oscilloscope until the range between white 100% and 0%
is set to 4 scales on the screen of the oscilloscope.
6.
Press the VOL.UP/DOWN button on the remote control
until the red color level is adjusted to 120 ± 5% of the
white level. (Refer to Fig. 2-5)
7.
Receive the color bar pattern. (Audio Video Input)
8.
Press the INPUT SELECT button on the remote control
to set to the AV mode. Then perform the above
adjustments 2~6.
9.
Press the DVD button on the remote control to set to the
DVD mode.
10.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (23) on the remote control to
select "COL CENT".
11.
Press the VOL.UP/DOWN button on the remote control
to set the same step numbers as the AV mode.
100%
Red Level
Fig. 2-5
2-19: SUB CONTRAST MAX
1.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) on the remote control to
select "CONT MAX".
2.
Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "100".
3.
Receive a broadcast and check if the picture is normal.
4.
Press the INPUT SELECT button on the remote control
to set to the AV mode.
5.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) on the remote control to
select "CONT MAX".
6.
Press the LEFT/RIGHT button on the remote control
until the contrast step No. becomes "100".
7.
Receive a broadcast and check if the picture is normal.
8.
Press the DVD button on the remote control to set to the
DVD mode.
9.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (21) on the remote control to
select "CONT MAX".
10.
Press the LEFT/RIGHT button on the remote control to
set the same step numbers as the AV mode.
2-20: Confirmation of Fixed Value (step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO.
FUNCTION
01
OSD C
04
H.BLK L
05
H.BLK R
09
VS.CORR
10
V.COMP
15
G DRIVE
18
BRI MAX
19
BRI MIN
20
CONT CENT
22
CONT MIN
24
COL MAX
25
COL MIN
27
SHARP
28
SUB BIAS
34
H.COMP
35
T.STE
38
H.FREQ
RF
02
07
02
05
03
07
75
20
40
20
127
00
30
30
00
00
63
AV
02
07
02
05
03
07
75
20
40
20
127
00
30
30
00
00
63
DVD
02
07
02
05
03
07
75
20
40
20
127
00
30
30
00
00
63
D3-4
ELECTRICAL ADJUSTMENTS
3. PURITY AND CONVERGENCE
ADJUSTMENTS
NOTE
1.
Turn the unit on and let it warm up for at least 30
minutes before performing the following adjustments.
2.
Place the CRT surface facing east or west to reduce the
terrestrial magnetism.
3.
Turn ON the unit and demagnetize with a Degauss Coil.
3-1: STATIC CONVERGENCE (ROUGH ADJUSTMENT)
1.
Tighten the screw for the magnet. Refer to the adjusted
CRT for the position. (Refer to Fig. 3-1)
If the deflection yoke and magnet are in one body,
untighten the screw for the body.
2.
Receive the green raster pattern from the color bar
generator.
3.
Slide the deflection yoke until it touches the funnel side
of the CRT.
4.
Adjust center of screen to green, with red and blue on
the sides, using the pair of purity magnets.
5.
Switch the color bar generator from the green raster
pattern to the crosshatch pattern.
6.
Combine red and blue of the 3 color crosshatch
pattern on the center of the screen by adjusting the
pair of 4 pole magnets.
7.
Combine red/blue (magenta) and green by adjusting
the pair of 6 pole magnets.
8.
Adjust the crosshatch pattern to change to white by
repeating steps 6 and 7.
3-2: PURITY
NOTE
Adjust after performing adjustments in section 3-1.
1.
Receive the green raster pattern from color bar
generator.
2.
Adjust the pair of purity magnets to center the color on
the screen.
Adjust the pair of purity magnets so the color at the
ends are equally wide.
3.
Move the deflection yoke backward (to neck side)
slowly, and stop it at the position when the whole screen
is green.
4.
Confirm red and blue color.
5.
Adjust the slant of the deflection yoke while watching
the screen, then tighten the fixing screw.
Adjust after performing adjustments in section 3-2.
1.
Receive the crosshatch pattern from the color bar
generator.
2.
Combine red and blue of the 3 color crosshatch
pattern on the center of the screen by adjusting the pair
of 4 pole magnets.
3.
Combine red/blue (magenta) and green by adjusting the
pair of 6 pole magnets.
3-4: DYNAMIC CONVERGENCE
NOTE
Adjust after performing adjustments in section 3-3.
1.2.Adjust the differences around the screen by moving the
deflection yoke upward/downward and right/left.
(Refer to Fig. 3-2-a)
Insert three wedges between the deflection yoke and
CRT funnel to fix the deflection yoke.
(Refer to Fig. 3-2-b)
R G B
R
G
B
UPWARD/DOWNWARD SLANT RIGHT/LEFT SLANT
WEDGE
WEDGE POSITION
R
G
B
Fig. 3-2-a
WEDGE
WEDGE
Fig. 3-2-b
R G B
6 POLE MAGNETS
4 POLE MAGNETS
PURITY MAGNETS
Fig. 3-1
D3-5
ELECTRICAL ADJUSTMENTS
4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)
CD303
SPEAKER
CP303
CP4503
FE HEAD
TP4501
TP102
CD4503
J2201
VR1701
TP4501
J2202
CRT
J2203
CP1704
J2204
AC IN
CD1702
CD1703
CD4501
CD1704
CP1702
CP4502
AC HEAD
J4201
TP4201
CP8001
J4202
CP603
os2201
J8007
CD002
TU001
CD604
CD7015
CP602
CP2201
CP601
DVD DECK
CD602
CP8002
CD603
CD8101
VCR DECK
DVD DECK
DEFLECTION PCB
TP401
CD808
CP001
CD807
CP604
CP802B
CP603B
CD2251
CP602B
CD802
CP802A
VR404
CP404
CRT
CRT PCB
CRT
J801
FB401
CRT
CD805
CP805
CP803
CD803
VCR MT PCB
DVD DECK
CP8101
CD4002
OPERATION PCB
CP2303
CP2302
CP2301
DVD MT PCB
CD2001
CD2301
CD2302
D3-6
MECHANICAL EXPLODED VIEW
214
214
214
118
214
102B
208
131
131
134
113
201
201
131
134
131
201
201
101M
PCB110
(CRT PCB ASS'Y)
101B
212
102B
212
101K
114
212
101C
136
101L
137
136
215
137
215
102
119
102A
212
214
214
102B
215
136
137
137
101M
101F
101J
101M
101E
101N
101A
101G
101I
101D
212
212
101M
I1-1
215
212
212
101O
101J
A
101G
101H
212
101
136
212
212
212
212
212
133
208
MECHANICAL EXPLODED VIEW
204
208
208
111
202
208
115
124
111
202
110
204
104
103
207
107
108
120
105
205
207
125
204
PCB010
(VCR PCB ASS'Y)
104
106
208
205
110
208
207
210
208
208
213
208
213
116
208
130
206
126
213
129
123
208
206
126
PCB130
(DVD PCB ASS'Y)
213
208
208
121
PCB270
(OPERATION PCB ASS'Y)
208
109
203
208
135
I1-2
208
111
127
122
A
208
208
211
208
111
117
208
132
207
209
208
210
205
207
203
PCB080
(DEFLECTION PCB ASS'Y)
209
128
208
207
112
CHASSIS EXPLODED VIEW (TOP VIEW)
505
341
331
319
334
314
323
508
333
315
AA
M2003
H5002
501
503
322
336
508
324
AA
335
503
342
UN4001
503
312
332
CD1501
504
305
H5001
306
300
302
317
301
AA
313
AA
AA
AA
AA
CLASS
GREASE
AA
325
MARK
AA
316
309
321
AA
AA
AA
307
AA
AA
506
507
318
AA
AA
NOTE:
Applying positions AA for the grease are displayed for this section.
Check if the correct grease is applied for each position.
I2-1
510
CD1502
M101
304
345
346
AA
AA
CHASSIS EXPLODED VIEW (BOTTOM VIEW)
308
327
509
344
343
AA
338
502
AA
337
M2001
AA
AA
502
AA
CD1502
340
AA
501
320
CD1501
502
AA
329
AA
AA
303
AA
311
339
310
AA
300
AA
326
328
CLASS
GREASE
MARK
AA
AA
505
NOTE:
Applying positions AA for the grease are displayed for this section.
Check if the correct grease is applied for each position.
I2-2
AA
330
DVD DECK EXPLODED VIEW
AA
615
600
AA
AA
610
AA
608
AA
AA
AA
SW1
704
611
AA
612
Cannot supply separately.
If the repair is needed, replace the
LOADER SUB ASS'Y.
AA
602
609
M2603
AA
614
AA
607
613
619
705
SW2
PCB640
(SW PCB ASS'Y)
CLASS
GREASE
605
MARK
AA
CD2301
601
605
NOTE:
PCB610
705
617
616
618
Applying positions AA for the grease are displayed for this section.
Check if the correct grease is applied for each position.
702
604
603
M2602
I3-1
701
CD2001
703
606
Do not replace the parts. Because,
minute adjustments are needed if
this condition is disassembled
further more.
If the repair is needed, replace the
DVD MECHA ASS'Y.
14072794741791WHAA116FILM,BAG
14172798713792WHA0520PACKAGE,TOP
14272798714792WHA0521PACKAGE,BOTTOM
14375002733793WCDD198GIFT BOX
14472781635JB5ND300POLYBAG INSTRUCTION(RED CAUTION)
14572781569J3N51617AREGISTRATION CARD
14672783666A5W501F975INSTRUCTION BOOK KIT
14772781110795WCDA025PAD
14872783667J5W50101AINSTRUCTION BOOK
201727987968141H60C5USCREW,TAP TITE(P) GW20 6*35 CH HEXAGO
20272781235810723060USCREW TAP TITE(S) BIND 3*6 CH
20372798794811754080USCREW TAP TITE(B0) TRUSS 4*8 CH
204727812438109130B9USCREW TAP TITE(B)R PAN 3*29 CH
205727987898109I30A0USCREW TAP TITE(B) WH7 3*10 CH
20672795782811022680USCREW TAP TITE(P) BIND 2.6*8 CH
20772781251810963080QSCREW TAP TITE(B) BRAZIER 3*8 STAINLESS
20872798787810923080USCREW TAP TITE(B) BIND 3*8 CH
209727812378107630A8USCREW,TAP TITE(S) BRAZIER 3*18 CH
21072798786810763080USCREW TAP TITE(S) BRAZIER 3*8 CH
21172798785810723040USCREW TAP TITE(S) BIND 3*4 CH
21272798790811063080USCREW TAP TITE(P) BRAZIER 3*8 CH
21372781263810F13080USEMS(F) 3*8 CH
214727987958117540B0USCREW TAP TITE(B0) TRUSS 4*20 CH
215727812958162540A6USCREW TAPPING (BO) WASHER 18
J1-2
CHASSIS REPLACEMENT PARTS LIST
Location No.TSB P/NReference No.Description
30072783455A5T410J420ADECK ASSY A5T410J420A
3017279571085OA400245PINCH ROLLER BLOCK VA2
3027279571185OA500026AHC ASS'Y
3037279571285OP200290BELT,CAPSTAN (S)
3047279571385OP600581WORM
3057279571485OP500091BASE,AC HEAD
3067279571585OP800324SPRING,AC HEAD
3077279571685OA000528MAIN CHASSIS ASS'Y
3087279571785OA200089CLUTCH ASS'Y
3097279571885OA200092ARM IDLER ASS'Y
3107279571985OA300068LOADING ARM S UNIT
3117279572085OA300070LOADING ARM T UNIT
3127279572185OA400223INCLINED BASE T UINT 3S
3137279572285OA400249P5 ARM ASS'Y 2
3147279572385OA400248TENSION ARM ASS'Y 2
3157279572485OA400231INCLINED BASE S UNIT
3167279572585OA900234CASS HOLDER ASS'Y
3177279572685OP900745CASS,OPENER
3187279572785OP700035REFLECTOR,LED
3197279572885OP900755BRACKET,TOP 3V
3207279572985OP400554HOLDER,CAPSTAN
3217279573085OA900233LINK UNIT
3227279573185OP000496POST,CASS GUIDE
3237279573285OP200316REEL,S (S)
3247279573385OP200317REEL,T (S)
3257279573485OP200308GEAR,IDLER
3267279573585OP200311GEAR,CLUTCH
3277279573685OP200312GEAR,COUPLING
3287279573785OP200313LEVER,CLUTCH
3297279573885OP300194GEAR,MAIN LOADING
3307279573985OP400490LEVER,TENSION
3317279574085OP400492HOLDER,TENSION
3327279574185OP400520CAP.P4
3337279574285OP400542BAND,TENSION
3347279574385OP400533CONNECT,TENSION
3357279574485OP600573ARM,BRAKE T
3367279574585OP600584BAND,BRAKE T
3377279574685OP600577CAM,PINCH ROLLER
3387279574785OP600578CAM,MAIN
3397279574885OP600585ROD,MAIN
3407279574985OP600582GEAR,JOINT
3417279575085OP800322SPRING,TENSION
3427279575185OP800360SPRING,BRAKE T
3437279575285OP800355SPRING,COUPLING
3447279575385OP800356SPRING,RING
3457279575485OP900754LEVER,LINK
3467279575585OP900744LEVER,FLAP