FILE NO. 050-200615GR
(MFR’S VERSION A)
SERVICE MANUAL
COLOR TELEVISION
20A46C
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, March, 2006
(*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
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
Earphone jack
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.
A1-2
TABLE OF CONTENTS
GREEN PRODUCT PROCUREMENT .......................................................................................
LEAD-FREE SOLDER ................................................................................................................
SERVICING NOTICES ON CHECKING.....................................................................................
HOW TO ORDER PARTS ..........................................................................................................
IMPORTANT ...............................................................................................................................
TABLE OF CONTENTS..............................................................................................................
GENERAL SPECIFICATIONS ...................................................................................................
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF ANODE CAP ...............................................................................................
2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ................................................
SERVICE MODE LIST ................................................................................................................
CONFIRMATION OF HOURS USED .........................................................................................
WHEN REPLACING EEPROM (MEMORY) IC ..........................................................................
ELECTRICAL ADJUSTMENTS..................................................................................................
BLOCK DIAGRAMS ...................................................................................................................
PRINTED CIRCUIT BOARDS
MAIN/CRT................................................................................................................................
SCHEMATIC DIAGRAMS
MICON/CHROMA/TUNER ......................................................................................................
DEFLECTION/CRT..................................................................................................................
POWER ...................................................................................................................................
SOUND ....................................................................................................................................
AV ............................................................................................................................................
WAVEFORMS .............................................................................................................................
MECHANICAL EXPLODED VIEWS...........................................................................................
MECHANICAL REPLACEMENT PARTS LIST .........................................................................
ELECTRICAL REPLACEMENT PARTS LIST...........................................................................
A1-1
A1-1
A1-2
A1-2
A1-2
A2-1
A3-1~A3-5
B1-1
B2-1, B2-2
C-1
C-1
C-1
D-1~D-5
E-1, E-2
F-1~F-4
G-1, G-2
G-3, G-4
G-5, G-6
G-7, G-8
G-9, G-10
H-1, H-2
I-1, I-2
J1-1
J2-1~J2-3
A2-1
GENERAL SPECIFICATIONS
G-1 TV CRT CRT Size / Visual Size 20 inch / 508.0mmV
G-2 Tuning Broadcasting System US System M
G-3 Power Power Source AC 120V AC 60Hz
G-4 Regulation Safety CSA
G-5 Temperature Operation +5oC ~ +40oC
G-6 Operating Humidity Less than 80% RH
System CRT Type Normal
Color System NTSC
Speaker 2Speaker
Sound Output MAX
NTSC3.58+4.43 /PAL60Hz No
System Tuner and System 1Tuner
Receive CH Destination USA(W/ CABLE)
Intermediate Picture(FP) 45.75MHz
Frequency Sound(FS) 41.25MHz
Preset CH No
Stereo/Dual TV Sound Yes
Tuner Sound Muting Yes
Power Consumption at AC
Protector Power Fuse Yes
Magnetic Field BV/BH +0.45G/0.18G
Position Front
Size
Impedance 8 ohm
10%(Typical) - W
CH Coverage A - I, J - W, W+1 - W+84
FP-FS 4.50MHz
DC
Stand by (at AC)
Per Year
Radiation IC
X-Radiation HWC
Storage -20oC ~ +60oC
2 x 4.7 Inch
2.5+2.5 W
90 W at AC 120 V 60 Hz
5 W at AC 120 V 60 Hz
-- kWh/Year
2 - 69, 4A, A-5 - A-1,
A3-1
GENERAL SPECIFICATIONS
G-7 On Screen Menu Yes
G-8 OSD Language English French Spanish
Display Menu Type Character
Picture Yes
Contrast Yes
Brightness Yes
Color Yes
Tint Yes
Sharpness Yes
Audio No
Bass No
Treble No
Balance No
BBE On/Off No
Stable Sound On/Off No
Surround On/Off No
CH Set Up Yes
TV/CABLE(CATV) Yes
Auto CH Memory Yes
Add/ Delete Yes
Lock Yes
CH Lock Yes
Video Lock Yes
Game Timer Yes
Change Password Yes
On Timer Yes
Language Yes
V-chip No
CH Label No
Favorite CH No
Color Stream DVD/DTV No
Control Level Yes
Volume Yes
Brightness Yes
Contrast Yes
Color Yes
Tint Yes
Sharpness Yes
Tuning No
Bass No
Treble No
Balance No
Stereo,Audio Output,SAP Yes
Video Yes
Color Stream No
Channel(TV/Cable) Yes
CH Label No
Game Timer Yes
Sleep Timer Yes
Sound Mute Yes
V-chip Rating No
16: 9 No
G-9 Clock and Sleep Timer Max Time 120 Min
Timer Step 10 Min
On Timer Program(On Timer ) Yes
Wake Up Timer No
Timer Back-up (at Power Off Mode) more than -- Min Sec
A3-2
GENERAL SPECIFICATIONS
G-10 Remote Unit RC-EH
Control Glow in Dark Remocon Yes
Format Toshiba
Remocon Format Toshiba
Custom Code
Power Source Voltage(D.C) 3V
UM size x pcs UM-4 x 2 pcs
Total Keys 28 Keys
Keys Power Yes
1 Yes
2 Yes
3 Yes
4 Yes
5 Yes
6 Yes
7 Yes
8 Yes
9 Yes
0 Yes
100 No
CH Up Yes
CH Down Yes
Volume Up Yes
Volume Down Yes
TV/Caption/Text Yes
CH1/CH2 Yes
TV/Video(TV/AV) Yes
CH RTN/CH ENT(Quick View) Yes
Sleep Yes
RE Call(Call) Yes
Reset Yes
Menu Yes
Enter Yes
Mute Yes
Exit No
MTS(Audio Select) Yes
Set + Yes
Set - Yes
16: 9 No
Multi Brand Keys CH Up(VCR) No
CH Down(VCR) No
Pause/Still No
TV/VCR(VCR) No
Code No
FF No
Rew No
Rec No
Play No
Stop No
TV No
VCR No
Cable No
40-BF h
A3-3
GENERAL SPECIFICATIONS
G-11 Features Auto Degauss Yes
G-12 Accessories Owner's Manual Language English / French
Auto Shut Off Yes
Canal+ No
Cable Yes
Anti-theft No
Rental No
Memory(Last CH) Yes
Memory(Last Volume) Yes
V-Chip No
BBE No
Auto Search No
CH Allocation No
SAP Yes
Just Clock Function No
CH Label No
VM Circuit No
Full OSD No
Premiere No
Comb Filter No
Auto CH Memory Yes
Hotel Lock No
Closed Caption Yes
Stable Sound No
FBT Leak Test Protect Yes
CH Lock Yes
Video Lock Yes
Game Timer Yes
Energy Star No
Favorite CH No
Surround No
16:9 Mode No
Remote Control Unit Yes
Rod Antenna No
Loop Antenna
U/V Mixer
DC Car Cord (Center+)
Guarantee Card
Warning Sheet
Circuit Diagram
Antenna Change Plug
Service Facility List
Important Safety Instruction
Dew/AHC Caution Sheet
AC Plug Adapter
Quick Set-up Sheet
Battery Yes
AC Cord
AV Cord (2Pin-1Pin)
Registration Card (NDL Card)
ESP Card
PTB Sheet
300 ohm to 75 ohm Antenna Adapter
Type -- Type
Lines
W/ Warranty Yes
Poles
Terminal
Terminal
UM size x pcs UM4 x 2
OEM Brand
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
A3-4
GENERAL SPECIFICATIONS
G-13 Interface Switch Front Power Yes
Rear AC/DC No
Indicator Power Yes(RED)
Terminals Front Video Input
Rear Video Input(Rear1)
G-14 Set Size Approx. W x D x H (mm)
G-15 Weight Net (Approx.)
G-16 Carton Master Carton
Gift Box Material Double/Brown
Drop Test
Container Stuffing
G-17 Cabinet Material Cabinet Cabinet Front PS 94V0 DECABROM
PCB Non-Halogen Demand
G-18 Environment Environmental standard requirement (by buyer) Green procurement of TOSHIBA
System Select No
Main Power SW No
Sub Power No
Channel Up/Reset Yes
Channel Down/Enter Yes
Volume Up/Set Up Yes
Volume Down/Set Down Yes
MENU=Volume Up+Volume Down Yes
TV/CATV Selector No
Degauss No
Main Power SW No
Stand-by No
On Timer No
Audio Input
Other Terminal
Video Input(Rear2)
Audio Input(Rear1)
Audio Input(Rear2)
Video Output
Audio Output
Euro Scart
Color Stream
Diversity No
Ext Speaker No
DC Jack 12V(Center +) No
VHF/UHF Antenna Input
AC Outlet No
Gross (Approx.)
Content ----
Material --
Dimensions W x D x H(mm) -- x -- x --
Description of Origin
Dimensions W x D x H(mm) 658 x 575 x 529
Description of Origin Yes
Height (cm) 60 (ORION SPEC:46)
Cabinet Rear PS 94V0 DECABROM
Eyelet Demand Yes
Pb-free Phase3(Phase3A)
RCA
RCA x 2(L/MONO,R)
Head phone
RCA
RCA x 2(L/MONO,R)
F Type
590 x 492 x 446.5
21.0kg
23.8kg
Natural Dropping At 1 Corner / 2 Edges /
288
No
No
No
No
No
No
( 46.3 lbs)
( 52.5 lbs)
No
Sets
/--
No
4 Surfaces
Sets/40' container
No
A3-5
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
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.
B1-1
Fig. 1-4
Fig. 1-5
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
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.
Fig. 2-3
Braided Shield Wire
Soldering Iron
IC
Fig. 2-2
IC pattern
Fig. 2-4
B2-1
DISASSEMBLY INSTRUCTIONS
INSTALLATION
Take care of the polarity of new IC and then install the new
1.
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
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.)
Solder temporarily
Fig. 2-5
When bridge-soldering between terminals and/or the
4.
soldering amount are not enough, resolder using a Thin-tip
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 IC
5.
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.
Soldering IronSolder
IC
Supply soldering
from upper position
to lower position
Fig. 2-6
Absorb the solder left on the lead using the Braided Shield
3.
Wire. (Refer to Fig. 2-7.)
NOTE
Do not absorb the solder to excess.
Soldering Iron
IC
Braided Shield Wire
Fig. 2-7
B2-2
SERVICE MODE LIST
This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily.
To enter the Service Mode, press both set key and remote control key for more than 2 seconds.
Set Key
VOL. (-) MIN
VOL. (-) MIN
VOL. (-) MIN
VOL. (-) MIN 8
VOL. (-) MIN
Remocon Key
0
1
6
9
Releasing of V-CHIP PASSWORD.
Initialization of the factory data.
NOTE:
POWER ON total hours is displayed on the screen.
Refer to the "CONFIRMATION OF HOURS USED".
Can be checked of the INITIAL DATA of MEMORY IC.
Refer to the "WHEN REPLACING EEPROM (MEMORY) IC".
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).
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.
Operations
CONFIRMATION OF HOURS USED
POWER ON total hours can be checked on the screen. Total hours are displayed in 16 system of notation.
NOTE: If you set factory initialization, the total hours is reset to "0".
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 2 seconds.
3.
After the confirmation of using hours, turn off the power.
ADDRESS DATA
INIT 00 50
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)
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.
INI
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
00 00 50 94 4D 00 03
50 04 4A 4C 57 B3 24 6B 0A 02
0A10
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 VOL. UP/DOWN button 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 VOL. UP/DOWN button 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.
After the data input, set to the initializing of shipping.
9.
Turn POWER on.
10.
Press both VOL. DOWN button on the set and Channel button (1) on the remote control for more than 2 seconds.
11.
After the finishing of the initializing of shipping, the unit will turn off automatically.
The unit will now have the correct DATA for the new MEMORY IC.
C-1
ELECTRICAL ADJUSTMENTS
1. ADJUSTMENT PROCEDURE
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
1. In the condition of NO indication on the screen.
Press the VOL. DOWN button on the set and the
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
2. BASIC ADJUSTMENTS
2-1: CONSTANT VOLTAGE
1.
Place the set in AV MODE without signal.
2.
Connect the digital voltmeter to the TP401.
3.
Adjust the VR502 until the digital voltmeter is 113 ± 0.5V.
2-2: CUT OFF
1.
Place the set in Aging Test for more than 15 minutes.
2.
Place the set in AV MODE without signal.
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 (01) on the remote control to
select “CUT OFF”.
5.
Adjust the Screen Volume until a dim raster is obtained.
2-3: WHITE BALANCE
NOTE: Adjust after performing CUT OFF adjustment.
Place the set in Aging Test for more than 15 minutes.
1.
Receive the white 100% signal from the Pattern
2.
Generator.
Using the adjustment control, set the brightness and
3.
contrast to normal position.
Activate the adjustment mode display of Fig. 1-1 and
4.
press the channel button (10) on the remote control to
select "R.BIAS".
Using the VOL. UP/DOWN button on the remote control,
5.
adjust the R.BIAS.
Press the CH. UP/DOWN button on the remote control to
6.
select the "R.DRIVE", "B.DRIVE", "G.BIAS" or "B.BIAS".
Using the VOL. UP/DOWN button on the remote control,
7.
adjust the R.DRIVE, B.DRIVE, G.BIAS or B.BIAS.
Perform the above adjustments 6 and 7 until the white
8.
color is achieved.
00 OSD 14
Fig. 1-1
2.3.Use the Channel UP/DOWN button or Channel button
(0-9) on the remote control to select the options shown
in Fig. 1-2.
Press the MENU button on the remote control to end the
adjustments.
FUNCTION
NO.
OSD H
00
CUT OFF
01
H.VCO
04
H.PHASE
05
V.SIZE
06
V.SHIFT
07
R.DRIVE
08
B.DRIVE
09
R.BIAS
10
G.BIAS
11
B.BIAS
12
BRIGHT CENT
13
BRIGHT MAX
14
BRIGHT MIN
15
FUNCTION
NO.
CONTRAST CENT
16
CONTRAST MAX
17
CONTRAST MIN
18
COLOR CENT
19
COLOR MAX
20
COLOR MIN
21
TINT
22
SHARPNESS
23
FM. LVL
24
T.MONO
28
T.STR
29
X-RAY
30
Fig. 1-2
2-4: FOCUS
1.
Receive the monoscope pattern.
2.
Turn the Focus Volume fully counterclockwise once.
3.
Adjust the Focus Volume until picture is distinct.
D-1
ELECTRICAL ADJUSTMENTS
2-5: VERTICAL POSITION
1.
Receive the monoscope pattern.
2.
Using the remote control, set the brightness and contrast
to normal position.
3.
Adjust the VR401 until the horizontal line becomes fit to
the notch of the shadow mask.
(Refer to Fig. 2-1)
horizontal line
Notch
Shadow mask
Fig. 2-1
2-6: 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 SHIFT quantity of the OVER SCAN on upside
and downside becomes 9 ± 2%.
2-9: CONTRAST MAX
1.
Receive the color bar pattern. (RF Input)
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 (17) on the remote control
to select "CONT MAX".
4.
Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "90".
5.
Receive a broadcast and check if the picture is normal.
6.
Receive the color bar pattern. (Audio Video Input)
7.
Press the TV/VIDEO button on the remote control to
set to the AV mode.
8.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (17) on the remote control
to select "CONT MAX".
9.
Press the VOL. UP/DOWN button on the remote
control until the contrast step No. becomes "100".
10.
Receive a broadcast and check if the picture is normal.
2-10: OSD POSITION
1.2.Activate the adjustment mode display of Fig. 1-1.
Press the VOL. UP/DOWN button on the remote
control until the difference of A and B becomes
minimum. (Refer to Fig. 2-2)
TV
2-7: VERTICAL LINEARITY
NOTE: Adjust after performing adjustments in section 2-6.
After the adjustment of Vertical Linearity, reconfirm
the Vertical Position and Vertical Size adjustments.
Receive the monoscope pattern.
1.
Using the remote control, set the brightness, contrast,
2.
to normal position.
Adjust the VR402 until the SHIFT quantity of the OVER
3.
SCAN on upside and downside becomes minimum.
2-8: 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. 1-1 and
press the channel button (05) on the remote control to
select “H.PHASE”.
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.
00 OSD 14
A
2-11: BRIGHT CENT
1.
Receive the monoscope pattern. (RF Input)
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 (13) on the remote control to
select "BRI CENT".
4.
Press the VOL. UP/DOWN button on the remote control
until the screen begin to shine.
5.
Receive the monoscope pattern. (Audio Video Input)
6.
Press the TV/VIDEO button on the remote control to set
to the AV mode. Then perform the above adjustments
2~4.
B
Fig. 2-2
D-2
ELECTRICAL ADJUSTMENTS
2-12: COLOR CENT
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 TP022.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (19) on the remote control to
select "COLOR 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. 2-3)
7.
Receive the video color bar pattern. (Audio Video Input)
8.
Set to the AV mode. Then perform the above
adjustments 2~6.
120%
2-14: Confirmation of Fixed Value (step No.)
Please check if the fixed values of the each adjustment
items are set correctly referring below.
NO.
FUNCTION
04
H VCO
07
V.SHIFT
14
BRIGHT MAX
15
BRIGHT MIN
16
CONT CENT
18
CONT MIN
20
COLOR MAX
21
COLOR MIN
23
SHARPNESS
24
FM.LVL
28
TEST MONO
29
TEST STEREO
RF
04
02
170
60
40
20
80
00
40
00
59
59
AV
04
02
170
60
40
20
80
00
40
00
59
59
white 100%
2-13: 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 TP024.
4.
Activate the adjustment mode display of Fig. 1-1 and
press the channel button (22) on the remote control to
select "TINT".
5.
Press the VOL. UP/DOWN button on the remote control
until the section "A" becomes as straight line.
(Refer to Fig. 2-4)
6.
Receive the video color bar pattern. (Audio Video Input)
7.
Set to the AV mode. Then perform the above adjustments
2~5.
“A”
“B”
Fig. 2-3
Fig. 2-4
D-3
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.
DEFLECTION YOKE
DEFLECTION YOKE SCREW
MAGNET SCREW
3-3: STATIC CONVERGENCE
NOTE
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
WEDGE POSITION
R
G
B
Fig. 3-2-a
WEDGE
Fig. 3-2-b
R G B
PURITY MAGNETS
6 POLE MAGNETS
4 POLE MAGNETS
Fig. 3-1
D-4
ELECTRICAL ADJUSTMENTS
4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)
CRT PCB
VR502
TP401
FB401
W001
CP401
J801
CP803A
TP024
CP806_1
CP802B
CRT DY
CP801
W883
W881
CP803B
TP022
CRT
VR401
J701
CP601
VR402
TU001
DEGAUSS COIL
CD501
L503
S501A
S501B
CP502
OS101
MAIN PCB
CP802A
CP1001
SPEAKER
J1001
J712J711J710
D-5
CH. DOWN
BLOCK DIAGRAM
Q504
RELAY DRIVE
RELAY
RY501
L503
DEGAUSS COIL
D501~D504
RECTIFIER
TH501
AC IN
VOL. DOWN
CH. UP
VOL. UP
POWER
OS101
1
T501
13
8
5
F501
TU001
12
11
10
14
17
IC501
LTV-817M-VB
3
FEED BACK
Q502
15
USA STEREO IC
IC901 LA72700V-TLM-E
BUFFER
Q501
SWITCHING
5
26
25
MICON/CHROMA IC
IC101 OEC7116B
RGB Proc.2
OSD SW
67
68
69
70
78
66
72
71
Q507
FEED BACK
SW
LCH AUDIO SW IC
IC902 NJM2534V(TE2)
RCH AUDIO SW IC
IC903 NJM2534V(TE2)
CONTRAST BRIGHTNESS
I/O
IIC
TIM
INT
PWM
AD
4
2
1
4
2
1
RGB Proc.1
RGB MATRIX
COLOR CONT
ROM
RAM
3
5
7
3
5
7
J701
OSD
56
62
5
SDA
MEMORY IC
IC199 BR24L04F-WE2
2
4
6
J712
2
20
24 26
RGB OUTPUT Stage
Chroma
Proc.
ACC/C-BPF
MCU
CLK
58 16
6
SCL
2
J710
APC/KILLER
TINT/DEMO
J711
2
Ver.Proc.
Ver SYNC SEP
Ver.COUNT DOWN
V RAMP
38
57
37
V-OUT IC
IC401 LA78040N-E
7
PUMP UP
1
DRIVE
CUT OFF
HV BLK
Hor.Proc.
SYNC SEPA/Hor. VCO
Hor.COUNT DOWN
AFC-1/H COINCIDENT
AFC-2 H PHASE
VCXO
AMP
+
VCC
5
6
2
SOUND AMP IC
IC1001 AN17822A
6
8
10
4
2
12
50
51
52
46
45
X601
3.579545MHz
Q607
H.CTL
Q402
H. DRIVE
Q401
H. OUTPUT
FB401
1
2
3
7
2
3
5
1
Q804
RED AMP
Q805
GREEN AMP
Q806
BLUE AMP
11
Heater
10
DY
9
10
F
S
HV
SPEAKER
SP1001
SPEAKER
SP1002
HEADPHONE JACK
J1001
6
8
RGB
7
F
CRT
V801
E-1
E-2
PRINTED CIRCUIT BOARDS
MAIN/CRT (INSERTED PARTS)
SOLDER SIDE
W862
C615
S808Y
W815
C1011
C007
W067
W068
C606
W081
W082
R516
W087
Q602
W078
C1012
R1013
R1012
J1001
W051
W072
W077
W073
W063
C601
W053
W052
W071
W092
C654
Q601
X601
C610
C612
W091
Q603
R629
C705
C701
CP601
C002
D707
D708
W048
TU001
W054
D511
R606
W045
W060
R513
R403
W867
W059
W825
W056
W055
IC1001
R1018
W075
W074
W070
W093
W835
W838
W810
C103
W845
C623
C617
C621
D604
W088
D603
R635
R743
C702
W083
J712 J711
C704
C1014
W809
C624
D605
R603
W076
W866
R605
D404
C417
C540
W064
C628
W832
VR402
R414
Q606
W084
J701
C427
C455_1
W027
CP1001
W023
C121
D101
C632
R608
W040
D702
C414
Q402_1
R446
C440
W018
R1020
W026
D102
W891
W889
Q607
W841
C1020
W803
W031
W043
D609
R132
R620
D608
D704
J710
C513
W846
W020
W019
W038
W037
R109
C418
C1003
C1006
W025
W024
W022
W035
W032
D607
CD802A
C703
R408
W036
S813X
R613
W042
D001
R1001
R1007
W021
C120
W034
W094
W029
R614
CP802A
R001
R914
W030
R615
W016
R424
R433
VR401
T401_1
W028
C633
C926
C920
C1024
W044
S808X
R124
R515
SW103
C937
C944
C433
R417
C446
D606
W041
D417
HS1001
R915
L903
C936
C911
D406
R916
C952
W098
C914
W095
D518
C921
R904
R143
R420
W892
D419
R
5
C942
R905
W014
1
7
C929
W013
R418
R521
C932
R101
C430
R434
R547
C948
C945
SW104
R412
D418
C949
W015
W009
R439
D412
R427
R002
R537
C946
L901
C118
W839
D610
D602
C902
C501
C947
W893
R435
R612
C527
R548
W010
W842
Q609
IC401
Q512
C521_1
R523
D505
W828
R804
C403
R527
HS401
C518
C516
J801
SW101
W854
C434
R406
C539
R536
D512
W005
W008
C643
W007
CP801
CCE021A
W004
C435
R535
W836
Q504
802
C
D411
C
W006
4
4
9
B504
D510
R429
CD803A
D407
D507
W848
D516
CP802B
CD802B
R819
806
P
C
TP024
SW102
C448
L401
D517
TP023
R806
_1
R415
R410
C517_1
D805
Q805
W882
W881
W883
R611
C407
CP803A
Q401
C420
C
R402
C528_1
CD803B
CP803B
D804
S813Y
TP022
D410
C406
P
4
W824
Q804
01
R422
R426
R802
R807
R803
R805
C402
C511
D806
Q806
W002
D523
D528
W827
R508
D107
R504
R519
T501
FB401
CME026A
C453
CP402
R514
Q501
B503
B501
C509
W870
R503
L501
C505
C123
OS101
R554
R555
R
TP401
C514
W003
3
54
C525
D509
W878
RY501
C506
W001
D521
R502
D503
FH502
R512
W859
VR502
D506
R507
R520
D508
HS501
F501
SW105
C507
D519
D514
C520
C515
R501
D502
C503
CP503
TH501
C
P
502
S501B
R421
R450
D504
FH501
C512
D405
D530
Q502
R500
C502
D520
IC501
D501
CAUTION
FOR SERVICE INFORMATION ABOUT CRITICAL
COMPONENTS, SEE INSIDE BACK COVER.
ATTENTION
INFORMATION POUR SERVICE DES
PIECE CRITIQUE, VOIR AU VERSO.
RISK OF FIRE
- REPLACE AS MARKED .
CD501
S501A
F-1
F-2
R107
PRINTED CIRCUIT BOARDS
MAIN/CRT (CHIP MOUNTED PARTS)
SOLDER SIDE
Q105
C904
IC199_1
R911
R917
R121
R105
C935
C916
IC901_1
C931
R815
R811
W880
C809
R809
W833
R813
C811
R816
C810
W879
R126
R128
CCE021A
R814
R901
C114
R906
C115
R902
C919
C950
R907
C943
IC903
R106
R913
C903
R918
R618
R616
C933
IC902
C925
R617
R621
R130
R135
Q604
R619
R131
R123
R115
R113
R110
R609
R627
64
R127
C629
R610
R125
R607
C626
1
C627
IC101
R129
C625
41
C716
R733
R102
C102
C620
25
C105
C635
C104
R734
R604
C108
C636
C107
C706
R742
C106
R103
C603
R630
C604
C602
C609
C605
R104
R601
R602
R120
C113
R533
Q507
R532
CME026A
R534
R413
R437
R1019
R1016
R1003
C1022
C1023
C726
C1016
C1015
R1017
R709
Q1003
R1021
R713
R711
Q1001
C725
R1002
C004
R003
R004
C001
F-3
F-4
ABC D E F GH
8
7
1 CNVSS
2 XIN
3 XOUT
4 TEST1
5 VSS
6
6 MCU VCC
7 TEST0
8 FILT
9 HLT
10 VHOLD
11 CVIN
12 RESET IN
13 MCU RESET OUT
14 Y SW OUT
15 V/C GND
16 3.58 XTAL
17 C-APC
5
18 MCU5.7V REG OUT
19 NC
20 CVBS IN3
21 AUDIO IN3
22 V/C VCC
23 MCU TEST
24 CVBS IN2
25 AUDIO IN2
26 CVBS IN1
27 AUDIO IN1
28 5.7V REG OUT
29 C(Y/C) IN
4
30 Y(Y/C) IN
31 VREG VCC
32 FSC OUT
33 MONITOR OUT
34 AUDIO ATT OUT
35 AUDIO ATT FILTER
36 NC
37 V RAMP F/B
38 V RAMP OUT
39 V RAMP CAP
40 8.7V REG OUT
3
2
41 NC
42 HVCO F/B
43 AFC FILTER
44 DEF GND
45 FBP IN
46 H OUT
47 DEF VCC
48 NC
49 HI VCC
50 R OUT
51 G OUT
52 B OUT
53 ACL
54 NC
55 PROTECT
56 SDA
57 H_CTL
58 SCL
59 NC
60 NC
61 NC
62 DEGAUSS_H
63 STANDBY_H
64 VOLUME
65 NC
66 AFT
67 KEY1
68 KEY2
69 POWER_ON
70 REMOCON
71 AV2
72 AV1
73 AUDIO_MUTE
74 X-RAY
75 IIC_OFF
76 ON_TIMER
77 SYNC
78 POWER FAIL
79 X-RAY_TEST
80 EXT_MUTE
4.1
4.9
R121
0
SWITCHING
Q105
KRA102SRTK
150
R107
120
BR24L04F-WE2
MEMORY IC
IC199_1
D107
POWER ON REDLED
SLR-342VCT32
E1
MODE
C118
1006.3V KA
R113
2.2K
R115
22K
R125
47K
AT+5V
ONTIMFR
1/4W
OS101
0000
E2
SCL
5678
AT+5V
SDA
SCL
VOLUME
AFT
KEY1 V_OUT
KEY2 V_FEEDBACK
POWER_ON
REMOCON
AV2
AV1
AUDIO_MUTE FSC
X-RAY
IIC_OFF
EO_LEAK
ONTIMFR
POWER_FAIL
0
B+
RPM7138-WH5
1234
E0
VCC
R131
2.2K
R123
2.2K
R143
100
VSS
SDA
4.84.9 0 4.8
4.9
GND
REMOCON
C123
4.8
123
Vout
C115
100P CH
C114
100P CH
C121
W825
R129 47K
1025V KA
CH UP
R135
1050V
R127
1K
MICON/CHROMA IC
SW101
EVQ21505R
22K
R106
IC101
OEC7116B
R128
560
CH DOWN
R105
2.7K
SW102
EVQ21505R
MICON/CHROMA/TUNER SCHEMATIC DIAGRAM
S813X
1016V KANP
R618
8.2K
P.CON+5V
MTZJ5.6B
SDA/SCL
P-ON CONT
CLK CONT
B
1B
220P B
C107
R617
PROTECT
IIC BUS
DECODER
C108 0.001
C633
68K
NC
R120
560P CH
C113
R104
MTZJ12B
D607
ABCL
B.OUT
D606 11E1-EIC
R616
3.9K
R615 100 1/4W
PGB OUTPUT Stage
DRIVE
CUT-OFF
HV BLK
Power Manage.
MCU RESET
MCU
CLK
W845
470
C601
1M
MTZJ12B
D608
G.OUT
R614 100 1/4W
C602
KA
1
50V
MTZJ12B
D609
R.OUT
R613 100 1/4W
65
Vldeo Proc.
C-TRAP/YDELAY
SHARPNESS
BLACK STRETCH
Y MUTE
LPF
6bB AMP
2.5
B
0.1
10V YK
7
RGB Proc.2
OSD SW
CONTRAST
BRIGHTNESS
VCXO
X601
100DT3R531
CH
C603
22P
F
C604
0.022
AT+5V
W891
C632
470
C629
0.01
R609
120K
NC
NC
Hor.Proc.
SYNC SEPA/Hor.VCO
Hor.COUNT DOWN
AFC-1/H COINCIDENT
AFC-2 H PHASE
R602
3.579545MHZ
C605
1B
8.2K
R601
5.5
4.9
5V REG
Q601
KTC3203_Y
SW
0
Q604
2SC3052
0
5.0
R619
1K
PROTECT
P.CON+5V
R124
22K 1/4W
DEGAUSS_H
R109 10K 1/4W
47K 1/4W
IIC
TIM
INT
PWM
AD
0
W809
VOL DOWN
I/O
XO
3
KEY2
R101
560
SW104
W803
ROM
RAM
4
0.01
W835
KEY1
1/4W
POWER
EVQ21505R
CPU core
C102
C103
POWER_ON
R132
C120
2.7K
390P CH
R130
4.7K
0
6566676869
4.8
4.9
4.9
4.9
4.9
70717273747576777879
4.9
4.9
4.9
1.8
4.9
0
0
NC
4.9
0
4.8
NC
1 101112131415161718
0 5.0 4.9 0 4.9 0 3.1 0 0.2 2.8 4.9 4.9 0 3.3 2.9 5.5 0 1.9 2.3 0 1.95.1
R126
2.7K
VOL UP
SW103
EVQ21505R
B
YK
47010V
W810
SW105
H_CTL
R110
10K
D101
D102
MTZJ5.6B
4.8 7.9 7.9
MCU GND
OSD
CCD
VCO
7
8809
F
C104
0.01
C106
B
W838
1K
R103 1K
C105 470P
R102
EVQ21505R
(MAIN PCB)
R620
1K 1/4W
3
H_OUT
2
H_SYNC
R610
10K 1/4W
10K
Ver.Proc.
Ver SYNC SEP
Ver.COUNT DOWN
V RAMP
B
C654
0.1
C628
10K
1
50V KA
120
R611
B
R627
RGB Proc.1
RGB MATRIX
COLOR CONT
Chroma Proc.
ACC/C-BPF
APC/KILLER
TINT/DEMO
192 20 21 22 23 24
NC
100
YK
10
C606
50V
C609
0.01 B
C610
476.3V KA
8.8
C627
R603
ATT
1/2W
ACCESSORY
TM101
R621
220
F
C626 0.01
0.01 F
03.73.509.06.705.04.95.12.85.1004.8000000
41424344454647484955051525354555657585966061626364
C612
R630
C615
1
1050V KA
68
F
0.01
C625
8.8
40
4.7
3.7
2.2
0
2.8
3.5
5.1
NC
3.0
8.9
2.4
30 31 32 33 34 35 36 37 38 39
2.4
5.7
2.3
2.0
2.3
25 26 27 28 29
F
P.CON+9V
65
H.CTL
5.6
Q607
KTC3198
W889
P.CON+5V
TUNER+5V
12.1
P.CON+9V SW
Q609
KTC3209_Y
MTZJ9.1B
1SS133
P.CON+5V
4
470 1/4W
C623
R607
100
0.01 F
C636
0.01
D603
1SS133
C617
10V YK
100
R612
4716V YK
C635
F
C620
0.01 B
C643
8.5
C621
D604
MTZJ8.2B
5.5
5V REG
Q602
KTC3209_Y
5.5
5V REG
Q603
KTC3203_Y
22016V YK
11.3
4716V YK
R608
1/4W
220
7.9
8V REG
Q606
KTC3203_Y
R605
180 1/2W
W828
4.9
7.2
R629
2W
47
7.2
R635
4.9
47 2W
TU001
115-V-KA35ARB
19
TUNER+5V
NC
SCL
SDA
AFT
TU_AUDIO
SIF
TU_VIDEO
20
H_CTL
1
C624
63V MKT
D605
MTZJ12B
R606
27K 1/4W
W832
R604
100
FRONT_V_IN
REAR_V_IN
TU_VIDEO SCL
9.0
9.6
D602
D610
RC-EH030
C001
18
0.022 B
1
NCNC
2
NC
3
4
NC
5
NC
6
NC
7
8
NC
NC
9
10
11
12
13
14
15
B+
16
17
21
C002
NC
47016V YK
NC
NC
NC
NC
NC
NC
NC
R001
C004
15K
0.022 B
D001
MTZJ33B
NCNC
1/2W
W815
C007
MNAAA(R03)
MNAAA(R03)
R004
100
0.1 B
15K
TU_VIDEO
UM-4
BT001
UM-4
BT002
UNREG+12V
TUNER+5V
R003
100
R002
TU+BT
1/2W
SDA
AFT
S808Y
IIC_OFF
SDA
SCL
FROM/TO DEFLECTION/CRT
CLAMP
V_OUT
GND
V_FEEDBACK
ABCL
H_OUT
X-RAY
R.OUT
G.OUT
B.OUT
H_SYNC
FROM/TO POWER
POWER_FAIL
UNREG+12V
DEGAUSS_H
TU+BT
GND
EO_LEAK
FROM AV
REAR_V_IN
FRONT_V_IN
GND
FROM/TO SOUND
P.CON+9V
AV2
AV1
FSC
P.CON+5V
VOLUME
SCL
SDA
GND
AUDIO_MUTE
TEST POINT
A2001WR2-7P
CP601
NC
NC
NC
NC
GND
IIC_OFF
SDA
SCL
GND
PCB010
CME026
8
7
6
5
4
3
7
6
5
4
3
2
1
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N’UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARE
1
ABC D E F GH
G-2G-1
ABC D E F GH
FROM/TO MICON/CHROMA/TUNER
8
7
CLAMP
G.OUT
R.OUT
B.OUT
V_OUT
ABCL
H_OUT
V_FEEDBACK
H_SYNC
GND
FROM/TO SOUND
GND
6
R403
IC401 LA78040NV-OUT IC
PUMP
UP
+
AMP
C414
11E1-EIC
GNDVCC
03.9 26.1 2.2 13 26 3.9
10035V
YK
14
1234567
1K 1/4W
D412
R437
4.7K
THERMAL
PROTECTION
18
R417
22K 1/4W
(MAIN PCB)
R418
39K 1/4W
V-LINER
C417
W841
15K
R420
VR402
47K
3.350V
1/4W
METAL
KA
C430
C418
DEFLECTION/CRT SCHEMATIC DIAGRAM
MKT
0.068100V
1000
R413
R415
R410
680 1/2W
W892
25V YK
R434
1/2W
2.2
R435
C427
2.2 1/2W
22K
680 1/2W
1/2W
R412
270
METAL
1050V YK
R433
V-POSI
1/2W
270
VR401
2.2K
D418
D419
MTZJ33B
MTZJ33B
C403
R406
1
0.22
100V
1/2W
19
MKT
CLAMP
GND
G.OUT
R.OUT
B.OUT
180V
GND
HEATER
35V YK
C433
CP802A B2013H02-5P
CLAMP
GND
G.OUT
R.OUT
B.OUT
CP803A
B2013H02-4P
180V
NCNC
GND
HEATER
470
1
2
3
4
5
1
2
3
4
11
B
6
G
8
R
10
9
V801
A51LZM10X16
CD801
CH823004
1
2
175
CP802B B2013H02-5P
1
CLAMP
2
GND
3
G.OUT
4
R.OUT
5
B.OUT
S813Y
CP803B B2013H02-4P
1
180V
2
NC
3
GND
4
HEATER
CP801
A2361WV2-2P
1
2
CLAMP
GND
G.OUT
R.OUT
B.OUT
180V
NC
GND
HEATER
(CRT PCB)
R819
100 1/2W
D805
R809
W833
C811
RED AMP
Q804
2SC4217
390P CH
130.6
R813
3.9K
470
D804
1SS133
5.9 5.9 5.9
6.3
R814
3.9K
1SS133
W879
C810
470
330P CH
R816
130.6 130.6
GREEN AMP
Q805
2SC4217
D806
W880
C809
6.36.3
BLUE AMP
Q806
2SC4217
1SS133
470P CH
R811
R815
8
7
3.9K
470
6
5
TO MICON/CHROMA/TUNER
4
3
2
FROM POWER
UNREG+18V
X-RAY
GND
D404
MTZJ5.1B
R408
4.7K +-1%
R424
33K +-1%
15
D417
MMTS
0.01100V
C440
1/2W
R446
470
+B
C455_1
22P500V SL
R414
1K 1/4W
27.0
0.3
H.DRIVE
0
Q402_1
2SC1627_Y
TP401
B+
21DQ09N
ETH09K14BZ
T401_1
34
2
1
6
50V YK
16
C446
22
W893
H.OUTPUT
Q401
2SD2499(LBOEC1)
R427
100 1/4W
C407
220P B
W854
114.0
0
0
D406
11E1-EIC
17
CP402
003P-2100
1
22100V YK
C434
D411
AU02A-EIC
C453
HS401
763WAA0216
150K
L401
180
ELH5L4113
MPP
0.00911.25KV
D405
MTZJ6.2B
R450
1/2W
R439
1W
R429
1W
1.8
0.001
RR
C402
R402
1K 1W
2KV
R422
1/2W
4.7K
1W
R426
1
B
0.0022
C420
500V
D410
AU02A-EIC
C448
10250V YK
FB401 FQI21B002R_M
COL
114.0
1
128.0
VIDEO
6
B+
128.0
2
0
0
AFC
9
HEA
0
0
TER
10
0
0
GND
8
13
13
E12
4
0.3
0.3
E25
3
500V
D407
AU02A-EIC
C406
0.001
HV
F
S
GND
0
0
11
ABL
7
0
0
GND
8
-27.0
-27.0
E8
5
B
C449
0.33250V PMS
C435
0.1
100V MKT
R421
1/2W
68K
PCB010
CME026
NC
CP401
A1561WV2-A5P
5
5
4
4
3
3
2
2
1
1
DY801
FORCUS
SCREEN
CP806_1
PCB110
CCE021
C802
0.0012KV B
TP022
R803
W881
20
R802
2W
12K
101.6
99.6
TP023
1/4W
2.7K
96.4
6.4
11
10
0
9
8
7
6
5
W882
R807
J801
ISHS53S
NC
124
1
22
R806
2.7K 1/4W
2W
12K
F
0
R805
W883
TP024
2W
12K
21
R804
5
2.7K 1/4W
4
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
ABC D E F GH
G-3
THE RESISTOR MARKED F IS FUSE RESISTOR.NOTE:
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N’UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARE
1
G-4
ABC D E F GH
POWER SCHEMATIC DIAGRAM
8
D516
1SS133
7
DEGAUSS COIL
L503
8R200026
6
21
5
AC120V_60Hz
CD501
09415911
BLACK
4
WHITE
G5PA-1-SA(WEC)
CP502
A1561WV2-2PK
2
1
S501A
S501B
RY501
CP503
003P-2100
(BIG)
TH501
B59203-S1060-B14
6.3A 125V
6.3A125V
FH501
EYF-52BCY
BLACK
WHITE
3
F501
EYF-52BCY
FH502
C514
12
4
R520
R
1500P
2KV
0.2
0
1/2W
1.5M
SWTCHING
Q501
2SK3326(2)
C505
3
2
0.6
RELAY DRIVE
Q504
KTC3198
COIL LINE FILTER
0.33275V ECQUL
B501
W5RH3.5X5X1.0
B503
144.0
D
S
0.1
R519
R515
10K 1/4W
L501
1R5A123F28Y
34
12
W5RH3.5X5X1.0
4.8
G
4.8
0.27 1W
HS501
763WAAA064
0
R500
1/2W +-10%
2.7M
C506
1SS133
0.3
BUFFER
Q502
KTC3203_Y
D521
0.1275V ECQUL
330
W878
R543
1W
R512
270 1/4W
C512
100V
IS THE LIVE CONNECTIONCAUTION:
R501
1.2 7W
D501
RM11C-EIC
C502
B
0.001
2KV
D504
RM11C-EIC
C509
0.047
MMTS
25V YK
0.01 B
C503
0.0012KV
C525
1TF
D530
1N4937
R504
1/2W
1K
C515
0.01 MMTS
C511
47
B
D502
D503
RM11C-EIC
RM11C-EIC
R508
D506
100 1/4W
C507
D508
R507
MTZJ13B
UP
330
200V
1SS133
150 1/4W
(MAIN PCB)
R502
0.22 1W
R503
2.7M 1/2W
W870
D509
MTZJ18B
D523
9.8
0.3
LTV-817M-VB
140.5
140.5
144.0
11.7
11.8
250V
1N4937
34
FEED BACK
IC501
126
C528_1
0
8
7
6
5
3
2
1
0.0047
9.8
1
8.8
2
T501 8135091S
P1
P2
(SMALL)
KX
R521
100 2W
15.6
9
FE201-6L49
C527
B
R534
100
6.0
FEED BACK
SWITCHING
2SC3052
C516
500V
0.001
D505
30PRA60-FC
C517_1
0.00182KV RR
D510
2200
MHE
16V
D520
MTZJ8.2B
C520
0.001 CH
Q507
B
C521_1
R548
10K 1/4W
R523
100 1/4W
R547
100 1/4W
YXF
220
160V
D518
135
C513
1SS133
D517
W859
R514
C501
0
CURRENT DET.
135
47K 1/4W
0.82 2W
4.750V YK
R513
3.3K 1/2W
W827
D519
1SS133
+B ADJ
6.8K 1/4W
220016V YK
Q512
2SA1624
R536
R527
1SS133
R555
R554
680
R533
W848
B504
W5RH3.5X5X1.0
11E1-EIC
500V
1SS133
820
R532
D528
MTZJ5.6B
W836
D507
D512
21DQ09N
C518
470P
D514
8.8
5.4
W839
W824
15.6
10
0
11
0
12
11.6
13
0
14
95.4
15
0
16
D511
1/4W
100K
1/4W
8.2K
VR502
MTZJ5.1B
W867
22K
0.82 2W
120K
C539
10100V YK
R516
R517
W842
R537
15K 1/4W
W866
1/4W
R535
1/4W
3.9K
C540
2.250V KA
TO DEFLECTION/CRT
UNREG+18V
B+
GND
TO SOUND
SOUND+B
GND
SOUND_GND
FROM/TO AV
GND
FROM/TO MICON/CHROMA/TUNER
UNREG+12V
DEGAUSS_H
POWER_FAIL
EO_LEAK
GND
TU+BT
8
7
6
5
4
3
2
PCB010
CME026
6.3A 125V
CAUTION
1
ATTENTION
:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE FUSE
6.3A 125V(F501)
:POUR UNE PROTECTION CONTINUE LES RISQUES D’INCEIE
N’UTILISER QUE DES FUSIBLE DE MEME TYPE
6.3A 125V(F501)
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N’UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARE
1
ABC D E F GH
G-6G-5
ABC D E F GH
8
FROM/TO MICON/CHROMA/TUNER
AUDIO_MUTE
7
6
FROM/TO DEFLECTION/CRT
5
FROM AV
REAR_AUDIO_R
REAR_AUDIO_L
FRONT_AUDIO_R
FRONT_AUDIO_L
4
FROM POWER
SOUND_GND
FROM MICON/CHROMA/TUNER
3
P.CON+5V
P.CON+9V
SCL
SDA
VOLUME
GND
GND
SOUND+B
GND
FSC
AV1
AV2
GND
L901
100uH
C911
R902
150V KA
4.7K
0305
2.2K
R914
C903
1B
C919
C9324716V
1/4W
C914
0.1 B
W846
W862
C904
150V KA
YK
1B
S808X
C933
0.01 B
C916
C931
2.2 F
0.1 B
C929
1050V YK
C920
R901
SOUND SCHEMATIC DIAGRAM
(MAIN PCB)
8
R906
22K
C921
2.250V YK
10
KANP
C936
16V
1025V KA
R918
47K
R913
1K
150V KA
C952
6.1
FILTER
STEREO
ST DET
PILOT DET
USA STEREO IC(MONITOR)
IC901_1 LA72700V-TLM-E
1 1011121314 15 16 17 18
3.8 3.7 3.8 3.8 3.7 5.6 0 2.7 4.9 4.8 2.3 3.2 1.9 4.4 3.8 3.8
C950
MODE OUT REGULATOR
Adj.
PLL
3
-6dB
PILOT
LEVEL DET
PILOT
CANCELLER
LPF
SIF DEMOD
4567
30313233343536
LPF
L-R
LPF
DEMOD
ST/SAP SW
SAP
LPF
DEMOD
SAP
DET
SAP
BPF
GND
0
SAP DET
89
NC
VREF
0
NC
MATRIX
L+R
To EACH SYSTEMS
SYSTEM
CONTROL
DECODE
3.83.83.83.73.73.78.82.46.1 0 3.8
ALC
IIC
1B
25
1/4W
100
C902
YK
47
50V
27K
R905
L-R/SAP
242526272829
C935
Cancell
Offset
C937
B
0.1
1016V KANP
C942
dbx
B
C943
0.0027
150V KA
C944
C946
KA
4.7
50V
Offset Cancel
Wide RMS DET
4.750V
4.23.83.83.83.80
Spectral In
Wide DET
C948
19220212223
R917
KA
2216V
Spectral RMS DET
Spectral DET
3.3M
R907
22K
LCH AUDIO SW IC
IC902
4.6
1234
5
4.6
BAIAS
5.1
RCH AUDIO SW IC
IC903 NJM2534V
4.6
1234
5
NJM2534V
BUFFER
BUFFER
4.6
KA
R911
8.2K
C945
C947
4.7
50V KA
C949
KA
4.7
2216V KA
BAIAS
5.1
50V
27
0
3.5
8.2
4.3
5678
0
26
3.5
8.2
4.3
5678
C925
0.1 B
R904
100 1/4W
SOUND AMP IC
R1001
68K
1/4W
IC1001 AN17822A
-+-+
31
28
1 10111223456789
0 3.9 0 06.3 8.5 8.6 2.4 2.5 2.1
LR
8.5
8.5
C1011
4716V KA
C1012
R1012
100 1/2W
4716V KA
C1015
R1003
270K
C1003
47K
R1018
KA
22
16V
1/4W
C1006
1B
C1022
33
1B
4716V KA
C1024
3300
16V
R1016
100K
R1007
YK
1/2W
470
R1017
10K
10K
R1019
HS1001
763WAA0160
C1023
B
0.0047 B
C1016
0.0047
C1020
2.250V KA
R1020
1/4W
1.8K
32
SP OUT R+
SP OUT R-
SP OUT L-
SP OUT L+
CP1001
A2502WV2-4P
1
2
3
4
R916
22K
L903
22K 1/4W
4716V YK
C926
R1013
100 1/2W
CD1001
CH14411A
1
2
3
4
1/4W
0305
100uH
R915
7
6
2
3
4
5
1
SPEAKER
SPEAKER
R
L
8 OHM
SP1001
YDP512-22
8 OHM
SP1002
YDP512-22
HEADPHONE JACK
J1001
MSJ-2000_AG
7
6
5
4
3
2
R1002
47K
C1014
2.9
MUTE SW.
Q1001
0
2SC3052
0
2225V KA
MUTE SW
Q1003
2SC3052
R1021
27K
2.9
0
0
PCB010
CME026
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N’UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
ARE
2
1
ABC D E F GH
G-8G-7
ABC D E F GH
AV SCHEMATIC DIAGRAM
8
7
D704
R743
1/4W
10
R742
68
MTZJ6.8B
D702
MTZJ6.8B
6
1025V KA
C705
(MAIN PCB)
C701
1025V KA
C702
1025V KA
C716
C706
680P B
680P
R733
33K
B
R734
33K
AV (FRONT)
J710
MTJ-032-03A-30FE
AV (FRONT)
J711
MTJ-032-03A-32FE
AV (FRONT)
J712
MTJ-032-03A-31FE
23
HNC
23
HNC
23
HNC
VIDEO_2_IN
E
1
E
1
E
1
L2_IN
R2_IN
TO SOUND
FRONT_AUDIO_L
FRONT_AUDIO_R
REAR_AUDIO_R
REAR_AUDIO_L
GND
8
7
6
5
TO MICON/CHROMA/TUNER
GND
4
MSP-213V2-432_NI_LF
A_IN_R
A_IN_L
V_IN
REAR_AV-IN(STEREO)
J701
EE
1
234
H1 NC H1 H2
5
6
R713
10
R711
R709
3
B
C725
680P
C704
33K
33K
C726
680P B
C703
1025V KA
1025V KA
D708
D707
MTZJ6.8B
MTZJ6.8B
FRONT_V_IN
REAR_V_IN
5
4
3
2
PCB010
CME026
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
2
1
ABC D E F GH
G-10G-9
MICON/CHROMA/TUNER
WAVEFORMS
20V 20µs/div
2
200mV 20µs/div
3
0.5V 5ms/div
4
1V 20µs/div7
DEFLECTION/CRT
0.5V 5ms/div
14
20V 20µs/div
15
10V 5ms/div18
19
10V 5ms/div
50V 20µs/div
20
1V 20µs/div
5
1V 20µs/div
6
16
2V 20µs/div
200V 20µs/div
17
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.
H-1
21
50V 20µs/div
22
50V 20µs/div
SOUND
WAVEFORMS
25
0.5V 1ms/div
26
200mV 1ms/div
27
200mV 1ms/div
32
0.5V 1ms/div
0.5V 1ms/div
33
28 200mV 1ms/div
200mV 1ms/div
31
NOTE: The following waveforms were measured at the point of the corresponding
balloon number in the schematic diagram.
H-2
MECHANICAL EXPLODED VIEW
111
112
107
110
203
107
203
112
107
202
202
202
203
PCB110
(CRT PCB ASS'Y)
203
102B
201
102A
202
201
106
202
109
204
202
202
102B
102
108
206
101F
101B
101C
111
101A
101E
107
101D
101F
101E
101
201
101D
105
104
201
205
205
205
103
206
PCB010
(MAIN PCB ASS'Y)
I-1
MECHANICAL EXPLODED VIEW
(PACKING DIAGRAM)
121, 122,
TM101
117
120
116
117
114
115
118
119
113
118
I-2
MECHANICAL REPLACEMENT PARTS LIST
N
Location No. TSB P/N Reference No. Description
101 72781162 7A701A416A FRONT CABI ASS'Y
101A 72799329 701WPJD021 CABINET FRONT
101B 72799408 711WPAA121 PLATE FRONT
101C 72799474 713WPAA181 GUIDE REMOCON
101D 72799737 735WPAA786 BUTTON BASE
101E 72799767 735WPBB389 BUTTON FRAME
101F 72794722 800WQ0A070 FELT SHEET
102 72781193 7A702A136A BACK CABI ASS'Y
102A 72799359 702WPAA867 CABINET BACK
102B 72798773 800WQ0A033 FELT SHEET
103 72795680 8995034000 CORD CLIP UL CO.
104 72795593 722000A023 SHEET HWC
105 72795594 722000A267 SHEET CSA WARNING
106 72783166 722549A571 SHEET RATING
107 72783033 800WR0A003 SHEET CRT SUPPORT
108 72794734 899HV3T000 HOLDER ANODE WIRE
109 72799722 726000A106 SHEET CRT SERVICEMAN
110 72795687 741WUA0021 SPRING EARTH
111 72799965 769WSAA011 WASHER CRT T=1
112 72795682 769WSAA012 WASHER CRT T=0.5
113 72795702 791WHAA114 FILM BAG
114 72783168 793WCDD044 GIFT BOX
115 72783167 723000D259 SHEET BAR CODE
116 72795703 791WHAA134 LIGHTRON SHEET
117 72798700 792WHA0360 PACKAGE TOP
118 72798701 792WHA0361 PACKAGE BOTTOM
119 72798734 795WCAA139 PAD 635*550
120 72783170 A3M9179975 INSTRUCTION BOOK KIT
121 72795599 JB5ND100 POLYBAG INSTRUCTION(RED CAUTION)
122 72783169 J3M91721A INSTRUCTION BOOK(E/F)
201 72798789 8109I30A0U SCREW TAP TITE(B) WH7 3*10 CH
202 72781279 8117540A6U SCREW TAP TITE(B0) TRUSS 4*16 CH
203 72781287 8141J50C5U SCREW TAP TITE(P) GW22 5*35 CH HEXAGO
204 72798791 8110630A0U SCREW TAP TITE(P) BRAZIER 3*10 CH
205 72781251 810963080Q SCREW TAP TITE(B) BRAZIER 3*8 STAINLESS
206 72798786 810763080U SCREW TAP TITE(S) BRAZIER 3*8 CH
J1-1
ELECTRICAL REPLACEMENT PARTS LIST
Location No. TSB P/N Reference No. Description
! R402 72796031 R3K181102J R,METAL OXIDE 1K OHM 1W
! R408 72795515 R4X5T6472F R,METAL 4.7K OHM 1/6W
! R424 72794609 R4X5T6333F R,METAL 33K OHM 1/6W
! R426 72795519 R65581010J R,FUSE 1 OHM 1W
! R429 72798015 R655811R8J R,FUSE 1.8 OHM 1W
! R439 72797842 R3X181181J R,METAL OXIDE 180 OHM 1W
! R500 72794631 R0G3K2275K RC 2.7M OHM 1/2W
! R501 72794615 R5X2AE1R2J R,CEMENT 1.2 OHM 7W
! R502 72794633 R63881R22J R,FUSE 0.22 OHM 1W
! R514 72794616 R002T4682J RC 6.8K OHM 1/4W
! R515 72794642 R002T4103J RC 10K OHM 1/4W
! R517 72797911 R3X28AR82J R,METAL OXIDE 0.82 OHM 2W
! R519 72795995 R3X181R27J R,METAL OXIDE 0.27 OHM 1W
! R520 72795500 R002T2155J RC 1.5M OHM 1/2W
! R521 72797899 R3X28A101J R,METAL OXIDE 100 OHM 2W
! R527 72797911 R3X28AR82J R,METAL OXIDE 0.82 OHM 2W
! R534 72794666 R803R9101J RC 100 OHM 1/16W
! R543 72797851 R3X181331J R,METAL OXIDE 330 OHM 1W
! R629 72795502 R3X18A470J R,METAL OXIDE 47 OHM 2W
! R635 72795502 R3X18A470J R,METAL OXIDE 47 OHM 2W
! R803 72794659 R3X18A123J R,METAL OXIDE 12K OHM 2W
! R805 72794659 R3X18A123J R,METAL OXIDE 12K OHM 2W
! R807 72794659 R3X18A123J R,METAL OXIDE 12K OHM 2W
C120 72797159 CQG0CH4N2J CC 390 PF 50V CH
C121 72797469 E52H05100M CE 10 UF 50V
C402 72794399 C0PLRR713K CC 0.001 UF 2KV R
! C414 72794380 E02LU4101M CE 100 UF 35V
! C418 72794360 E02LF3102M CE 1000 UF 25V
! C420 72795069 C0JTB05H3K CC 0.0022UF 500V B
! C430 72781641 P235W1683J CMP 0.068 UF 100V MKT
! C434 72794396 E02LU8220M CE 22 UF 100V
! C446 72794379 E02LU5220M CE 22 UF 50V
! C448 72797431 E0ELTD100M CE 10 UF 250V
C449 72795565 P4J7F3334J 0.33 UF 250V PMS
! C453 72797716 P4N8FJ912H CMPP 0.0091UF 1.25KV
! C501 72797424 E0ELF2222M CE 2200 UF 16V
! C502 72795578 C0JBB0713K CC 0.001 UF 2KV B
! C503 72795578 C0JBB0713K CC 0.001 UF 2KV B
! C505 72794401 P2122B334M CMP 0.33 UF 275V ECQUL
! C506 72795567 P2122B104M CMP 0.1 UF 275V ECQUL
! C507 72795568 E51CGC331M CE 330 UF 200V
! C513 72797413 E02LU54R7M CE 4.7 UF 50V
! C514 72797083 C03L0R7E3K CC 0.0015UF 2KV R
! C517 72795073 C0PLRR7G3K CC 0.0018 UF 2KV R
! C521 72795571 E62NFB221M CE 220 UF 160V
! C527 72797477 E5EZF2222M CE 2200 UF 16V
! C528 72795579 CD39E0MQ3M CC 0.0047UF 250V
! C654 72797156 CQG0B0415K CC 0.1 UF 50V B
C802 72795578 C0JBB0713K CC 0.001 UF 2KV B
C1024 72781381 E02LF2332M CE 3300 UF 16V
D001 72794465 D97U03301B DIODE,ZENER MTZJ33B T-77
D101 72794489 D97U05R61B DIODE,ZENER MTZJ5.6B T-77
D102 72794489 D97U05R61B DIODE,ZENER MTZJ5.6B T-77
D107 72795529 0021721150 LED SLR-342VCT32
! D404 72794469 D97U05R11B DIODE,ZENER MTZJ5.1B T-77
D405 72794490 D97U06R21B DIODE,ZENER MTZJ6.2B T-77
! D406 72794488 D2WT011E10 DIODE,SILICON 11E1-EIC
! D407 72794472 D2WTAU02A0 DIODE,SILICON AU02A-EIC
! D410 72794472 D2WTAU02A0 DIODE,SILICON AU02A-EIC
! D411 72794472 D2WTAU02A0 DIODE,SILICON AU02A-EIC
D412 72794488 D2WT011E10 DIODE,SILICON 11E1-EIC
D417 72794480 D28T21DQN9 DIODE,SCHOTTKY 21DQ09N-TA2B1
D418 72794465 D97U03301B DIODE,ZENER MTZJ33B T-77
D419 72794465 D97U03301B DIODE,ZENER MTZJ33B T-77
! D501 72794473 D2WTRM11C0 DIODE,SILICON RM11C-EIC
! D502 72794473 D2WTRM11C0 DIODE,SILICON RM11C-EIC
! D503 72794473 D2WTRM11C0 DIODE,SILICON RM11C-EIC
! D504 72794473 D2WTRM11C0 DIODE,SILICON RM11C-EIC
! D505 72794474 D28F0PRA60 DIODE,RECTIFIER 30PRA60-FC
! D506 72796387 D97U01301B DIODE,ZENER MTZJ13B T-77
! D507 72794488 D2WT011E10 DIODE,SILICON 11E1-EIC
D508 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
! D509 72795541 D97U01801B DIODE,ZENER MTZJ18B T-77
RESISTORS
CAPACITORS
DIODES
J2-1
ELECTRICAL REPLACEMENT PARTS LIST
Location No. TSB P/N Reference No. Description
DIODES
! D510 72794475 D2CF2016L0 DIODE,SILICON FE201-6L49
D511 72794469 D97U05R11B DIODE,ZENER MTZJ5.1B T-77
! D512 72794480 D28T21DQN9 DIODE,SCHOTTKY 21DQ09N-TA2B1
D514 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D516 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D517 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
! D518 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D519 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D520 72794486 D97U08R21B DIODE,ZENER MTZJ8.2B T-77
! D521 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D523 72794483 D2WXN49370 DIODE,SILICON 1N4937
D528 72794489 D97U05R61B DIODE,ZENER MTZJ5.6B T-77
D530 72794483 D2WXN49370 DIODE,SILICON 1N4937
D602 72794481 D97U09R11B DIODE,ZENER MTZJ9.1B T-77
D603 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D604 72794486 D97U08R21B DIODE,ZENER MTZJ8.2B T-77
D605 72794487 D97U01201B DIODE,ZENER MTZJ12B T-77
D606 72794488 D2WT011E10 DIODE,SILICON 11E1-EIC
D607 72794487 D97U01201B DIODE,ZENER MTZJ12B T-77
D608 72794487 D97U01201B DIODE,ZENER MTZJ12B T-77
D609 72794487 D97U01201B DIODE,ZENER MTZJ12B T-77
D610 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D702 72794478 D97U06R81B DIODE,ZENER MTZJ6.8B T-77
D704 72794478 D97U06R81B DIODE,ZENER MTZJ6.8B T-77
D707 72794478 D97U06R81B DIODE,ZENER MTZJ6.8B T-77
D708 72794478 D97U06R81B DIODE,ZENER MTZJ6.8B T-77
D804 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D805 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
D806 72794491 D1VT001330 DIODE,SILICON 1SS133T-77
IC101 72782874 I56F07116B IC OEC7116B
IC199 72783171 A3M9149015L INIT DATA BR24L04F-WE2
! IC401 72795534 I03TD804N0 IC LA78040N-E
! IC501 72795524 0002E00610 PHOTO COUPLER LTV-817M-VB
IC901 72782900 I03FF27000 IC LA72700V-TLM-E
IC902 72795918 I0QF02534V IC NJM2534V(TE2)
IC903 72795918 I0QF02534V IC NJM2534V(TE2)
! IC1001 72795536 I0FSP7822A IC AN17822A
Q105 72795963 TPAAB05001 COMPOUND TRANSISTOR KRA102SRTK
! Q401 72795477 TDUU024990 TRANSISTOR,SILICON 2SD2499(LB0EC1)
! Q402 72795480 TC5T01627Y TRANSISTOR,SILICON 2SC1627_Y(TPE2)
! Q501 72795540 T220033260 FET 2SK3326(2)
! Q502 72795476 TCAT032034 TRANSISTOR,SILICON KTC3203_Y-AT
Q504 72794577 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR)
! Q507 72795479 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1
! Q512 72794569 TA3T016240 TRANSISTOR,SILICON 2SA1624-AA
Q601 72795476 TCAT032034 TRANSISTOR,SILICON KTC3203_Y-AT
Q602 72794570 TCAT03209Y TRANSISTOR,SILICON KTC3209_Y-AT
Q603 72795476 TCAT032034 TRANSISTOR,SILICON KTC3203_Y-AT
Q604 72795479 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1
Q606 72795476 TCAT032034 TRANSISTOR,SILICON KTC3203_Y-AT
Q607 72794577 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR)
! Q609 72794570 TCAT03209Y TRANSISTOR,SILICON KTC3209_Y-AT
! Q804 72795971 TC3F042170 TRANSISTOR,SILICON 2SC4217(D,E)-RAC
! Q805 72795971 TC3F042170 TRANSISTOR,SILICON 2SC4217(D,E)-RAC
! Q806 72795971 TC3F042170 TRANSISTOR,SILICON 2SC4217(D,E)-RAC
Q1001 72795479 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1
Q1003 72795479 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1
! L401 72794528 022100027A COIL,LINEARITY ELH5L4113
! L501 72796630 029T000097 COIL,LINE FILTER 1R5A123F28Y
! L503 72796616 028R200026 COIL,DEGAUSS 8R200026
L901 72794540 02167F101J COIL 100 UH
L903 72794540 02167F101J COIL 100 UH
T401 72795487 045009003J TRANS,HORIZONTAL DRIVE ETH09K14BZ
! T501 72798977 048135091S TRANSFORMER,SWITCHING 8135091S
J701 72794518 060J431020 RCA JACK MSP-213V2-432_NI_LF
J710 72794519 060J401104 RCA JACK MTJ-032-03A-30FE
J711 72794520 060J401106 RCA JACK MTJ-032-03A-32FE
J712 72794521 060J401105 RCA JACK MTJ-032-03A-31FE
! J801 72795490 066F130020 SOCKET,CATHODE RAY,TUBE ISHS53S
! J1001 72794516 060J131016 HEADPHONE JACK MSJ-2000_AG
COILS &TRANSFORMERS
ICS
TRANSISTORS
JACKS
J2-2
ELECTRICAL REPLACEMENT PARTS LIST
.
Location No. TSB P/N Reference No. Description
SW101 72794688 0504101T34 SWITCH,TACT EVQ21505R
SW102 72794688 0504101T34 SWITCH,TACT EVQ21505R
SW103 72794688 0504101T34 SWITCH,TACT EVQ21505R
SW104 72794688 0504101T34 SWITCH,TACT EVQ21505R
SW105 72794688 0504101T34 SWITCH,TACT EVQ21505R
VR401 72795471 V1K63H3BTE VOLUME,SEMI FIXED NVG6TLTAB222
VR402 72798394 V1K63Q4BTE VOLUME,SEMI FIXED NVG6TLTAB473
VR502 72794701 V1163H4BTC VOLUME,SEMI FIXED EVNCYAA03BE4
PCB010 72783172 A3M9179010L MAIN PCB ASS'Y CME026A
PCB110 72783173 A3M9179110L CRT PCB ASS'Y CCE021A
! B501 72794357 024HT03553 CORE,BEADS W5RH3.5X5X1.0
! B503 72794357 024HT03553 CORE,BEADS W5RH3.5X5X1.0
! B504 72794357 024HT03553 CORE,BEADS W5RH3.5X5X1.0
BT001 72783174 141U004016 BATTERY,MANGAN MNAAA(R03)
BT002 72783174 141U004016 BATTERY,MANGAN MNAAA(R03)
! CD501 72799248 1209415911 CORD AC BUSH 9415911
CD801 72794460 06CH823004 CORD CONNECTOR CH823004
CD802 72798402 WCL6848038 FLAT CABLE AWM2468 AWG26 5C GRAY 480MM
CD803 72795618 WBL6032038 FLAT CABLE AWM2468 AWG26 4C BLACK 320MM
CP401 72796822 069S450089 CONNECTOR PCB SIDE A1561WV2-A5P
CP402 72796825 069W01001A CONNECTOR PCB SIDE 003P-2100
! CP502 72796820 069S420099 CONNECTOR PCB SIDE A1561WV2-2PK
CP503 72796825 069W01001A CONNECTOR PCB SIDE 003P-2100
CP601 72796802 069S270639 CONNECTOR PCB SIDE A2001WR2-7P
CP801 72796816 069S320010 CONNECTOR PCB SIDE A2361WV2-2P
CD1001 72796857 06CH14411A CORD CONNECTOR CH14411A
CP1001 72796793 069S140419 CONNECTOR PCB SIDE A2502WV2-4P
CP802A 72796751 067U005049 WIRE HOLDER B2013H02-5P
CP802B 72796751 067U005049 WIRE HOLDER B2013H02-5P
CP803A 72796750 067U004029 WIRE HOLDER B2013H02-4P
CP803B 72796750 067U004029 WIRE HOLDER B2013H02-4P
EL001 72797069 124116281A EYE LET XRY16X28BD
EL002 72797070 124120301A EYE LET XRY20X30BD
! F501 72794493 081PC6R305 FUSE 51MS063L
! FB401 72796670 043221025F TRANSFORMER,FLYBACK FQI21B002R_M
FH501 72794496 06710T0009 HOLDER,FUSE EYF-52BCY
FH502 72794496 06710T0009 HOLDER,FUSE EYF-52BCY
OS101 72794541 0773071001 REMOTE RECEIVER RPM7138-WH5
! RY501 72794686 0560X20118 RELAY G5PA-1-SA(WEC)
! SP1001 72799164 070N457008 SPEAKER YDP512-22
! SP1002 72799164 070N457008 SPEAKER YDP512-22
! TH501 72794693 D8EE0B1400 DEGAUSS ELEMENT B59203-S1060-B14
TM101 72796932 076N0EH030 TRANSMITTER RC-EH030
! TU001 72795492 0163300018 RF UNIT 115-V-KA35ARB
! V801 72796983 098Y210452 CRT W/DY A51LZM10X16N45
X601 72794704 100DT3R531 CRYSTAL HC-49/U
SWITCHES
VARIABLE RESISTORS
P.C.BOARD ASSEMBLIES
MISCELLANEOUS
RESISTOR
RC..................
CAPACITORS
CC...................CERAMIC CAPACITOR
CE................... ALUMI ELECTROLYTIC CAPACITOR
CP................... POLYESTER CAPACITOR
CPP.................POLYPROPYLENE CAPACITOR
CPL................. PLASTIC CAPACITOR
CMP................ METAL POLYESTER CAPACITOR
CMPL.............. METAL PLASTIC CAPACITOR
CMPP..............METAL POLYPROPYLENE CAPACITOR
CARBON RESISTOR
J2-3
TOSHIBA CORPORATION
1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN
FIL E NO. 053-2006GRA
(MF R ÕSVERSIONA)
SUPPLEMENT
SERV ICE MANUAL
COLOR TELEVISION
2
20A46C
T his S upplement serves as an update to the original 20A 46C
Please refer to this S upplement in conjuncti on with the original S ervice M anual when servici ng this
model.
Service
Manual,
file number
050-200615GR .
DOCUMENT CR EAT ED IN JAPAN, Dec., 2006
TOSHIBA CORPORATION DIGITAL MEDIA NETWORK COMPANY
VISUAL MEDIA NETWORK DIV.
INTERNATIONAL CUSTOMER SERVICE & SUPPORT DEPT [11F-B]
TOSHIBA BLDG.
1-1, SHIBAURA 1-CHOME, MINATOKU, TOKYO 105-8001, JAPAN
FACSIMILE: (03)5444-9439 PONE: (03)3457-3536
SERVICE INSTRUCTION
Product: COLOR TELEVISION
FILE NO. 053-200615GRA
DATE:Dec., 2006
RANK:
A
Model: 20A46C
Symptom:
Corrective action:
Applicable units:
Maker change of CRT
Parts change
BCB307029068 or younger.
TOSHIBA CORPORATION
KATSUMI TSUNODA
MANAGER
INTERNATIONAL CUSTOMER
SERVICE & SUPPORT DEPT
PART NO. DESCRIPTION TSB P/N PART NO. DESCRIPTION TSB P/N CAUSE
CME026A
CME026B
All parts are not interchangeable between version.
ELECTRICAL REPLACEMENT PARTS LIST
MFR'S VERSION A
MFR'S VERSION B
REF. NO.
! V801 098Y210452 CRT W/DY A51LZM10X16N45 72796983 098Q210449 CRT W/DY A51AEZ90X24 75006394
! C453 P4N8FJ912H CMPP 0.0091UF 1.25KV 72797716 P4N8FJ862H CMPP 0.0086UF 1.25KV 72797715
PCB010 A3M9179010L
MAIN PCB ASS'Y (VERSION A)
72783172 A3M9174010L
MAIN PCB ASS'Y (VERSION B)
75006393
Maker change of CRT.
TOSHIBA CORPORATION
1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN
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