Design and specifications are subject to change without notice.
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.
7. PERFORM A SAFETY CHECK AFTER
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.
IMPORTANT
Inferior silicon grease can damage IC's and transistors.
When replacing an IC's or transistors, use only specified silicon grease (YG6260M).
Remove all old silicon before applying new silicon.
TO CANCEL HOTEL LOCK
• Hotel lock can be cancelled by following steps 1-2.
1.
Press and hold the CHANNEL UP button on the TV, and press the POWER button on the remote
control simultaneously.
2.
Press the SET +/– button to select the HOTEL LOCK ALL CLEAR mode, then press the ENTER button.
The "OK" indicator appears for 4 seconds on the screen.
A1-1
CONTENTS
SERVICING NOTICES ON CHECKING......................................................................................................
HOW TO ORDER PARTS ...........................................................................................................................
Storage -20 ºC~ 60 ºC
G-20.Operating HumidityLess than 80 %RH
G-21.Clock an d Timer
Sleep Timer
On/Of f Ti merYes 4 ProgramsNo
Wake Up T imerYes ProgramsNo
G-22.Timer back up Time
More than -- Minutes (at Power Off Mode)
G-23.Terminals
VHF/UHF Ante n na Inpu t Din Type F-Type France Type
Front Video Input(RCA ø8.3)
Front Audi o Input(RCA ø8 .3)
Rear Video Input(R CA ø8 .3)
Rear Audio Input(RCA ø8.3)
Rear Video Output(RCA ø8.3)
Rear Audio Output(RCA ø8.3)
21 Pin (x )DC Jack(Center +)E ar Phon e Jack(ø3.5)
Head Phone(Stereo & Mono)AC Outle tExt Speaker
DiversityS Input(Front)S Input(Rear)
G-24.Indicator
PowerStand ByOn TimerNONE
( )(Red)( )
G-25.Display
On Screen Display
MenuClock Set( 12H 24H)System SelecOn/Off T im er
Hotel L ockArea Cod eCH Tuning
Sound 1/2NICAM Au to OffPicture
Guide CH SetAudioLanguage
CATVPin Code Registration
Control LevelSoundBrightnessContrast
ColorTint(NTSC Only)Sharpness
TuningBassTreble
BalanceBack Light
Stereo,Audio Output,BilingualPicture Menu
Stereo,Aud io Out pu t,SAPMid Night Theater
Stereo,Aud io Out pu tGAME
CH/AVClockPin CodeHo tel L ock
Sleep TimerSound MuteChannelBand
PAL/NTSC3.58/NTSC4.43AFTVideo
ºC
Yes Max 120 Min.( 10 Min. Step)No
A3-2
GENERAL SPECIFICATIONS
G-26.OSD Language
EngGerFreSpaItaPorJpn
OSD Language Setting
EngGerFreSpaItaPorJpn
Not Appl icable
G-27.Speaker
Pos ition
Size 6 1/4 x 2 1/4 inches
Imp. 4 ohm x 2 pcs
PowerMax 1.25 + 1.25 W
10% 1.0 + 1.0 W (Typical)
G-28.EX T Speaker : Yes -- WImp -- ohm
G-29.Carton
Master Carton:
Gift Box
Drop TestNatural Dropping At 1 Corner / 3 Edges / 6 Surfaces
Container Stuffing: 304 Sets / 40' container
G-30.Accessories
Content: ---- Set
Material: ---- / ---- Corrugated Carton
Dimensions: ---- mm(W) ---- mm(D) ---- mm(H)
Description of OriginYesNo
Material
Dimensions: 660 mm(W) 540
Design:As Per BUYER 's
Description of Origin:YesNo
Owner's Manual ( W/Guarantee Card) [English]
AC Plug AdapterChannel Film
Battery (UM- 4 x 2 )Remote Control Unit
Safety TipToll Free Insert Sheet
Guarantee CardAudio-Video Cord (RCA)
Regist ra tio n CardWarning Sheet
Quick Se t-Up SheetSchematic Diagram
Information SheetU/V Mixer
75 ohm Coaxial Cable ( Single ShieldDouble Shield)
300 ohm to 75 ohm VHF Antenna Adaptor
21pin CableCar Cord
Rod Ant enn a
One PoleTwo Pole ( F-TypeDin TypeFrance Type)
Loop Antenna( F-TypeDin TypeFrance Type)
NeedNo Need
Double/Brown Corrugated Carton ( with Ph oto Label )
Double/White Corrugated Carton ( with Photo Label)
Double Full Color Carton W/Photo
Height
FrontSideBottom
mm(D) 541 mm(H)
25cm31cm46cm62cm80cm
G-31.Other Features
Auto DegaussAuto SearchFull OS D
Auto Shut OffCH AllocationPremiere
Canal+SAPComb Filter
CATVChannel LockAuto CH Memory
Anti-TheftJust Clock FunctionHote l Lock
RentalGame PositionFastext
UnitextTopTextClosed Caption
Picture MenuMid Night Theater
Memory( Last Ch Last Vol.)
A3-3
GENERAL SPECIFICATIONS
G-32.Switch
Front
Power(Tact)Channel UpVolume Up
System SelectChannel DownVolume Down
Main Power SWSub Power
Rear
AC/DCTV/CATV Selector
DegaussMain Power SW
G-33.Magnetic Fiel d
BV :+0.45GBV :+0.35GBV :+0.25G
BH : 0.18GBH :0.30GBH :0.30G
BV :-0.15GBV :-0.25GBV :-0.50G
BH :0.15GBH :0.15GBH :0.30G
G-34.Remote Control Unit:RC-BQ
Glow in Dark RemoconYesNo
Power Source:D.C 3 V Battery UM - 4 x 2
Total : 38 Key
PowerQuick ViewTV/AV
Stand ByStatusBar Select
0/AVTime SelectPAL/SECAM
1Time SetVolume Up
2MuteVolume Down
3CH SkipCH Call
4CH1/CH2C H Down
5ChannelCH Up
6Text/Mix/TVCH Down /Page Down
7Display CancelCH Up/Page Up
8InitialPage +/ 9StoreProgram
10RevealF/T/B
11SleepHold
12SkipList
1 *PresetRotate
2 *5.5/6.5MHzBrowse
0/10Auto Memo ryStd/Auto
Tone 1/2AutoMemory
InfoCallBand Select
Mono/AutoResetSearch
TV/Caption/TextMenuClock/Program
ExpandEnterClock/Set
RedAddCh Set
CyanDeleteSet +
NormalYellowSet Color Syst emRa nd omGreen
Wide SelecyTuning Up/Time TextNicam/Mono
Auto Wi de On/OffTuning Down/ResetTone A/B
Picture PositionNaviFM Transm i tter
Direct Change/Auto SearchBa ck L ig ht
Picture MenuMid Night Theate r./ ..
A3-4
DISASSEMBLY INSTRUCTIONS
1. 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. 1-1.)
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. 1-3.)
Location of Anode Cap
Fig. 1-3
NOTE
Confirm that there is no dirt, dust, etc. at the spot where
the cap was located.
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. 1-4.)
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. 1-2.)
Rubber Cap
CRT
Support
Support
CRT
Fig. 1-1
Fig. 1-2
Fig. 1-4
4. Insert one end of the Anode Support into the anode button,
then the other as shown in Fig. 1-5.
Support
CRT
5.6.Confirm that the Support is securely connected.
Put on the Rubber Cap without moving any parts.
Fig. 1-5
B-1
DISASSEMBLY INSTRUCTIONS
2.
REMOVAL AND INSTALLATION OF
FLAT PACKAGE IC
REMOVAL
Put the Masking Tape (cotton tape) around the Flat
1.
Package IC to protect other parts from any damage.
(Refer to Fig. 2-1.)
NOTE
Masking is carried out on all the parts located within
10 mm distance from IC leads.
When IC starts moving back and forth easily after
3.
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. 2-3.)
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
Masking Tape
(Cotton Tape)
Heat the IC leads using a blower type IC desoldering
2.
IC
machine. (Refer to Fig. 2-2.)
NOTE
Do not add the rotating and the back and forth
directions force on the IC, until IC can move back and
forth easily after desoldering the IC leads completely.
Blower type IC
desoldering machine
Fig. 2-1
Tweezers
IC
Fig. 2-3
Peel off the Masking Tape.4.
Absorb the solder left on the pattern using the Braided
5.
Shield Wire. (Refer to Fig. 2-4.)
NOTE
Do not move the Braided Shield Wire in the vertical
direction towards the IC pattern.
Braided Shield Wire
Soldering Iron
IC
Fig. 2-2
IC pattern
Fig. 2-4
B-2
DISASSEMBLY INSTRUCTIONS
INSTALLATION
Take care of the polarity of new IC and then install the
1.
new IC fitting on the printed circuit pattern. Then solder
each lead on the diagonal positions of IC temporarily.
(Refer to Fig. 2-5.)
Soldering Iron
Solder temporarily
Solder temporarily
Fig. 2-5
Supply the solder from the upper position of IC leads
2.
sliding to the lower position of the IC leads.
(Refer to Fig. 2-6.)
When bridge-soldering between terminals and/or the
4.
soldering amount are not enough, resolder using a Thintip Soldering Iron. (Refer to Fig. 2-8.)
Thin-tip Soldering Iron
IC
Fig. 2-8
Finally, confirm the soldering status on four sides of the
5.
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, be always sure to replace the IC in this
case.
Soldering IronSolder
IC
Absorb the solder left on the lead using the Braided
3.
Supply soldering
from upper position
to lower position
Shield Wire. (Refer to Fig. 2-7.)
NOTE
Do not absorb the solder to excess.
Soldering Iron
IC
Braided Shield Wire
Fig. 2-6
Fig. 2-7
B-3
SERVICE MODE LIST
This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily.
The SERVICE MODE dose not funtion if the clock has been set.
if so, unplug AC cord to set the clock to the nonclock setting mode.
To enter the Service Mode, press both set key and remote control key for more than 1 second.
Set Key
Remocon Key
VOL. (-) MIN1
Initialization of the factory.
NOTE: Do not use this for the normal servicing.
Operations
POWER ON total hours is displayed on the screen.
Refer to the "CONFIRMATION OF USING HOURS".
VOL. (-) MIN6
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "NOTE FOR THE REPLACING OF MEMORY IC".
VOL. (-) MIN
VOL. (-) MIN
VOL. (-) MIN
7
8
9
Releasing of PROTECTION PASSWORD.
Writing of EEPROM initial data.
NOTE: Do not use this for the normal servicing.
Display of the Adjustment MENU on the screen.
Refer to the "ELECTRICAL ADJUSTMENT" (On-Screen Display Adjustment).
CONFIRMATION OF USING HOURS
POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.
NOTE: The confirmation of USING HOURS does not function if the clock has been set.
If so, unplug AC cord to set the clock to the nonclock setting mode.
1.
Set the VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and Channel
button (6) on the remote control for more than 1 second.
3.
After the confirmation of using hours, turn off the power.
ADDRESSDATA
INIT 00 83
CRT ON
0010
FIG. 1
Initial setting content of MEMORY IC.
POWER ON total hours.
= (16 x 16 x 16 x thousands digit value)
+ (16 x 16 x hundreds digit value)
+ (16 x tens digit value)
+ (ones digit value)
NOTE FOR THE REPLACING OF 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.
NOTE:
The confirmation of USING HOURS does not function if the clock has been set.
•
If so, unplug AC cord to set the clock to the nonclock setting mode.
•
No need the setting for after INI F3.
INI+0
E0
F0
00
+1
0000
+3+4+5
0A
-
00
+6+7
0000
+8+A
00
F49460---
+9
D0132800
+2
Table 1
1.
Enter DATA SET mode by setting VOLUME to minimum.
2.
Press both VOL. DOWN button on the set and Channel button (6) on the remote control for more than 2 seconds.
ADDRESS and DATA should appear as FIG 1.
3.
ADDRESS is now selected and should "blink". Using the SET + or - keys on the remote, step through the ADDRESS until
required ADDRESS to be changed is reached.
4.
Press ENTER to select DATA. When DATA is selected, it will "blink".
5.
Again, step through the DATA using SET + or - until required DATA value has been selected.
6.
Pressing ENTER will take you back to ADDRESS for further selection if necessary.
7.
Repeat steps 3 to 6 until all data has been checked.
8.
When satisfied correct DATA has been entered, turn POWER off (return to STANDBY MODE) to finish DATA input.
The unit will now have the correct DATA for the new MEMORY IC.
+D+F
+E+B+C
00
C-1
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.
Inferior silicon grease can damage IC's and transistors.
•
When replacing IC's and transistors, use only specified
silicon grease (YG6260M).
Remove all old silicon before applying new silicon.
Prepare the following measurement tools for electrical
adjustments.
1. Synchro Scope
2. Digital Voltmeter
3. Color Bar Generator
2. BASIC ADJUSTMENTS
On-Screen Display Adjustment
1.
Unplug AC cord to set the clock to the nonclock setting
mode. And then set the volume to minimum.
2.
Press both VOL. DOWN button on the set and the
Channel button (9) on the remote control for more than
1 second to appear the adjustment mode on the screen
as shown in Fig. 2-1.
NOTE
Use the Channel buttons (1-8) on the remote control to
select the options shown in Fig. 2-1.
Press the Channel button (0) on the remote control to
end the adjustments.
1. H/V
2. AKB
3. COLOR TEMP
4. PICTURE
5. OTHERS
6. TEST PATTERN
7.
8. (VOL TEST) 0. END
2-1: RF AGC DELAY
1.
Receive monoscope pattern.
2.
Connect the digital voltmeter to pin 5 of CP101.
3.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (5) on the remote control to
select "OTHERS". The Fig. 2-2 appears on the display.
4.
Press the channel button (2) on the remote control to
select "RF AGC RELAY".
5.
Press the VOL. UP/DOWN button on the remote control
until the digital voltmeter is 1.4 ± 0.05V.
Fig. 2-1
1. AGC AUTO
2. RF AGC DELAY
3. VIDEO LEVEL
4. FM LEVEL
5. OSD H
6. CUT OFF
7.
8. 0. RETURN
2-2: VCO
1.
Receive the color bar pattern.
2.
Connect the digital voltmeter to TP202.
3.
Adjust the L204 until the digital voltmeter is 3.5 ± 0.05V.
2-3: CUT OFF
Place the set with Aging Test for more than 15 minutes.
1.
Set condition is AV MODE without signal.
2.
Using the remote control, set the brightness and
3.
contrast to normal position.
Activate the adjustment mode display of Fig. 2-1 and
4.
press the channel button (5) on the remote control to
select "OTHERS". The Fig. 2-2 appears on the display.
Press the channel button (6) on the remote control to
5.
select "CUT OFF".
Adjust the Screen Volume until a dim raster is obtained.
6.
2-4: FOCUS
Using the remote control, set the brightness and
1.
contrast to normal position.
Receive the monoscope pattern.
2.
Turn the Focus Volume fully counterclockwise once.
3.
Adjust the Focus Volume until picture is distinct.
4.
2-5: WHITE BALANCE
NOTE:
1.
2.
3.
4.
5.
6
7.
8.
9.
Adjust after performing CUT OFF adjustments.
Place the set wiht Aging Test for more than 10 minutes.
Receive the white 100% signal from the Pattern
Generator.
Using the remote control, set the brightness and contrast
to normal position.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (2) on the remote control to
select "AKB". The Fig. 2-3 appears on the display.
Press the channel button (2) on the remote control to
select the "R.BIAS".
Using the VOL. UP/DOWN on the remote control, adjust
the R.BIAS.
Press the CH. UP/DOWN button on the remote control to
select the "G.BIAS", "B.BIAS", "R.DRIVE", or "B.DRIVE".
Using the VOL. UP/DOWN button on the remote control,
adjust the G.BIAS, B.BIAS, R.DRIVE or B.DRIVE.
Perform the above adjustments 7 and 8 until the white
color is looked like a white.
Fig. 2-2
D1-1
ELECTRICAL ADJUSTMENTS
1. AKB AUTO
2. R. BIAS
3. G. BIAS
4. B. BIAS
5. R. DRIVE
6. G. DRIVE
7. B. DRIVE
8. 0. RETURN
2-6: BRIGHTNESS
Receive the monoscope pattern. (RF Input)
1.
Using the remote control, set the brightness and contrast
2.
to normal position.
Activate the adjustment mode display of Fig. 2-1 and
3.
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
Press the channel button (1) on the remote control to
4.
select "BRIGHT".
Press the VOL. UP/DOWN button on the remote control
5.
until the white 25% is starting to be visible.
Receive the monoscope pattern. (Audio Video Input)
6.
Press the AV button on the remote control to set to the
7.
AV mode. Then perform the above adjustments 2~5.
1. BRIGHT
2. CONTRAST
3. COLOR
4. TINT
5. SHARPNESS
6. OSD CONT
7.
8. 0. RETURN
Fig. 2-3
Fig. 2-4
0%
85%
100%
Fig. 2-5
2-8: CONTRAST
1.
Receive the monoscope pattern.
2.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
3.
Press the channel button (2) on the remote control to
select "CONTRAST".
4.
Press the VOL. UP/DOWN button on the remote control
until the bar step is set to the "24".
2-9: HORIZONTAL PHASE
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. 2-1 and
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
4.
Press the channel button (1) on the remote control to
select "H. PHASE".
5.
Press the VOL. UP/DOWN button on the remote control
until the SHIFT quantity of the OVER SCAN on right
and left screen edges are equal.
2-7: COLOR
1.
Receive the color bar pattern. (RF Input)
2.
Connect the oscilloscope to TP802.
3.
Using the remote control, set the brightness, contrast,
color and tint to normal position.
4.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
5.
Press the channel button (3) on the remote control to
select "COLOR".
6.
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.
7.
Press the VOL. UP/DOWN button on the remote control
until the red color level is adjusted to 3.2 scales (85%) ± 5%
for the white level. (Refer to Fig. 2-5)
8.
Receive the color bar pattern. (Audio Video Input)
9.
Press the AV button on the remote control to set to the
AV mode. Then perform the above adjustment 2~7.
1. H. PHASE
2. H. BLK
3. V. SIZE
4. V. POSI
5. V. LIN 50/60
6. V. SC 50/60
7. V. COMP
8. (H. FREQ) 0. RETURN
2-10: 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. 2-1 and
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
4.
Press the channel button (4) on the remote control to
select "V. POSI".
5.
Press the VOL. UP/DOWN button on the remote control
until the horizontal line of the monoscope comes to
approximate center of the CRT.
Fig. 2-6
D1-2
ELECTRICAL ADJUSTMENTS
2-11: 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. 2-1 and
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
4.
Press the channel button (3) on the remote control to
select "V. SIZE".
5.
Press the VOL. UP/DOWN button on the remote
control until the SHIFT quantity of the OVER SCAN on
upside and downside becomes 8 ± 3%.
2-12: VERTICAL LINEALITY
Receive the monoscope pattern.
1.
Using the remote control, set the brightness and
2.
contrast to normal position.
Activate the adjustment mode display of Fig. 2-1 and
3.
press the channel button (1) on the remote control to
select "H/V". The Fig. 2-6 appears on the display.
Press the channel button (5) on the remote control to
4.
select "V. LIN 50/60".
Press the VOL. UP/DOWN button on the remote control
5.
until the SHIFT quantity of the OVER SCAN on upside
and downside becomes minimum.
Receive the monoscope pattern. (Audio Video Input)
6.
Press the AV button on the remote control to set to the
7.
AV mode. Then perform the above adjustments 2~5.
2-13: OSD HORIZONTAL
1.
Using the remote control, set the brightness and
contrast to normal position.
2.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (5) on the remote control to
select "OTHERS". The Fig. 2-2 appears on the display.
3.
Press the channel button (5) on the remote control to
select "OSD H".
4.
Press the VOL. UP/DOWN button on the remote control
until the difference of A and B becomes minimum.
(Refer to Fig. 2-7)
2-14: TINT
1.
Receive the color bar pattern.(Audio Video lnput)
2.
Connect the oscilloscope to TP801.
3.
Activate the adjustment mode display of Fig. 2-1 and
press the channel button (4) on the remote control to
select "PICTURE". The Fig. 2-4 appears on the display.
4.
Press the channel button (4) on the remote control to
select "TINT".
5.
Press the VOL. UP/DOWN button on the remote control
until the waveform becomes as shown in Fig. 2-8.
"TINT"
Fig. 2-8
2-15: CONSTANT VOLTAGE
1.
Using the remote control, set the brightness and
contrast to normal position.
2.
Connect the digital voltmeter to TP501.
3.
Set condition is AV MODE without signal.
4.
Adjust the VR501 until the DC voltage is 135 ± 1V.
A
OSD H
[ TV ]
B
Fig. 2-7
D1-3
ELECTRICAL ADJUSTMENTS
3.
PURITY AND CONVERGENCE
ADJUSTMENTS
NOTE
Turn the unit on and let it warm up for at least 30
1.
minutes before performing the following adjustments.
Place the CRT surface facing east or west to reduce the
2.
terrestrial magnetism.
Turn ON the unit and demagnetize with a Degauss Coil.
3.
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.
Receive the green raster pattern from the color bar
1.
generator.
Adjust the pair of purity magnets to center the
2.
color on the screen.
Adjust the pair of purity magnets so the color at the
ends are equally wide.
Move the deflection yoke backward (to neck side)
3.
slowly, and stop it at the position when the whole
screen is green.
Confirm red and blue colors.
4.
Adjust the slant of the deflection yoke while watching the