Sharp 19J-M100 User manual

1
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10 / 20MJ10
SERVICE MANUAL
Page
æELECTRICAL SPECIFICATIONS............................................................................................1
æIMPORTANT SERVICE SAFETY PRECAUTION ...................................................................2
æLOCATION OF USER'S CONTROL........................................................................................6
æINSTALLATIONAND SERVICE INSTRUCTIONS...................................................................7
æCHASSIS LAYOUT ...............................................................................................................13
æBLOCK DIAGRAM ................................................................................................................14
æSCHEMATIC DIAGRAMS .....................................................................................................15
æPRINTED WIRING BOARD ASSEMBLIES ...........................................................................21
æREPLACEMENT PARTS LIST ..............................................................................................27
æPACKING OF THE SET ........................................................................................................35
CONTENTS
In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its
original condition and only parts identical to those specified should be used.
POWER INPUT ........................... 120 V AC 60 Hz
POWER RATING .......................................... 84 W
PICTURE SIZE...............19":1194cm2(185sq inch)
....................................20":1240cm2(192sq inch)
CONVERGENCE ....................................Magnetic
SWEEP DEFLECTION............................Magnetic
FOCUS....................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency .............45.75 MHz
Sound IF Carrier Frequency.............. 41.25 MHz
Color Sub-Carrier Frequency ............ 42.17 MHz
(Nominal)
AUDIO POWER
ELECTRICAL SPECIFICATIONS
COLOR TELEVISION
Chassis No. SN-70
19J-M100/19J-M100S
19J-M150/CJ19M10
20J-M100/CJ20M10/20MJ10
Specifications are subject to change without prior
notice.
OUTPUT RATING ........0.9W (at 10% distortion)
SPEAKER
SIZE ................................................8cm(Round)
VOICE COIL IMPEDANCE ....... 8ohm at 400 Hz
ANTENNA INPUT IMPEDANCE
VHF/UHF............................ 75 ohm Unbalanced
TUNING RANGES
VHF-Channels....................................... 2thru 13
UHF-Channels .................................... 14thru 69
CATV Channels................................... 1thru 125
USA: (EIA, Channel Plan)
MODELS
9CH8
–V
O
L+
VIDEOIN AUDIO
POWER
19J-M100/150/100S
CJ19M10
?CH>
–VOL+
VIDEO IN AUDIO
POWER
20J-M100
CJ20M10
SHARP ELECTRONICS CORPORATION
Service Headquarters: Sharp Plaza, Mahwah, New Jersey 07430-2135
SHARP ELECTRONICS OF CANADA LTD.
335 Britannia Road East Mississauga, Ontario L4Z 1W9 Canada
SHARP CORPORATION
S67A419J-M100

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19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10/ 20MJ10
IMPORTANT SERVICE SAFETY PRECAUTION
Service work should be performed only by qualified service technicians who are
thoroughly familiar with all safety checks and servicing guidelines which follow:
WARNING
1. For continued safety, no modification of any circuit
should be attempted.
2. Disconnect AC power before servicing.
3. Semiconductor heat sinks are potential shock
hazards when the chassis is operating.
4. The chassis in this receiver has two ground systems
whichareseparated by insulation material.The non-
isolated (hot) ground system is for the B+ voltage
regulator circuit and the horizontal output circuit.The
isolatedground systemis forthe low B+ DCvoltages
and the secondary circuit of the high voltage
transformer.
To prevent electrical shock use an isolation
transformer between the line cord and power
receptacle, when servicing this chassis.
SERVICING OF HIGH VOLTAGE SYSTEM
AND PICTURE TUBE
When servicing the high voltage system, re-
move the static charge by connecting a 10k
ohmresistor in serieswith an insulatedwire
(suchasatestprobe)betweenthepicturetube
ground and the anode lead. (AC line cord
shouldbedisconnectedfromACoutlet.)
1. Picture tube in this receiver employs integral
implosion protection.
2. Replace with tube of the same type number for
continued safety.
3. Do not lift picture tube by the neck.
4. Handle the picture tube only when wearing
shatterproof goggles and after discharging the high
voltage anode completely.
CAUTION: FOR CONTINUED
PROTECTION AGAINST A
RISKOF FIRE, REPLACE
ONLY WITH SAME TYPE 4A-
125V FUSE.
4A 125V
X-RADIATION AND HIGH VOLTAGE
LIMITS
1. Be sure all service personnel are aware of the
proceduresandinstructionscoveringX-radiation.The
only potential source of X-ray in current solid state
TVreceivers is thepicturetube. However,thepicture
tubedoes not emit measurable X-Rayradiationif the
high
voltage is as specified in the "High Voltage Check"
instructions.
It is only when high voltage is excessive that X-
radiation is capable of penetrating the shell of the
picture tube including the lead in glass material. The
importantprecautionistokeepthehighvoltagebelow
the maximum level specified.
2. It is essential that service personal have available at
all times an accurate high voltage meter.
The calibration of this meter should be checked
periodically.
3. Highvoltageshould alwaysbekept atthe rated value
−no higher. Operation at higher voltages may cause
a failure of the picture tube or high voltage circuitry
and; also under certain conditions, may produce
radiation that exceeds specifications.
4. Whenthehigh voltageregulatoris operating properly
thereisnopossibilityofanX-radiationproblem.Every
time a color chassis is serviced, the brightness
should be tested while monitoring the high voltage
with a meter to be certain that the high voltage does
notexceed thespecifiedvalue andthat itisregulating
correctly.
5. Do not use a picture tube other than that specified or
make unrecommended circuit modifications to the
high voltage circuitry.
6. Whentroubleshootingandtaking testmeasurements
ona receiverwith excessivehigh voltage,avoid being
unnecessarily close to the receiver.
Donotoperatethe receiver longer than is necessary
to locate the cause of excessive voltage.

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19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10 / 20MJ10
æConnecttheresistor connection to all exposedmetal
parts having a return to the chassis
(antenna, metal cabinet, screw heads, knobs and
control shafts, escutcheon, etc.) and measure the
AC voltage drop across the resistor.
AII check must be repeated with the AC line cord
plug connection reversed. (IF necessary, a non-
polarized adapter plug must be used only for the
purpose of completing these check.)
Anycurrent measured must notexceed0.5 milliamp.
Any measurements not within the limits outlined
above are indicative of a potential shock hazard and
corrective action must be taken before returning the
instrument to the customer.
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SAFETY NOTICE
Many electrical and mechanical parts in television
receivers have special safety-related characteristics.
These characteristics are often not evident from visual
inspection, nor can protection afforded by them be
necessarilyincreasedbyusingreplacementcomponents
rated for higher voltage, wattage, etc.
Replacement parts which have special safety
characteristics are identified in this manual; electrical
components having such features are identified by
" å" and shaded areas in the Replacement Parts
Lists and Schematic Diagrams.
IMPORTANT SERVICE SAFETY PRECAUTION
(Continued)
AC
VOLTMETER
1.5k ohm
10w
0.15µF
TEST PROBE
TO EXPOSED
METAL PARTS CONNECT TO
KNOWN EARTH
GROUND
For continued protection, replacement parts must be
identical to those used in the original circuit.
The use of substitute replacement parts which do not
have the same safety characteristics as the factory
recommended replacement parts shown in this service
manual, may create shock, fire, X-radiation or other
hazards.
1. Inspect all lead dress to make certain that leads are
not pinched or that hardware is not lodged between
the chassis and other metal parts in the receiver.
2. Inspect all protective devices such as non-metallic
control knobs, insulating materials, cabinet backs,
adjustment and compartment covers or shields,
isolation resistor-capacity networks, mechanical
insulators, etc.
3. To be sure that no shock hazard exists, check for
leakage current in the following manner.
æPlug the AC cord directly into a 120 volt AC outlet,
using reverse polarity.(Do not use an isolation
transformer for this test).
æUsing to clip leads, connect a 1.5k ohm, 10 watt
resistor paralleled by a 0.15∝F capacitor in series
with all exposed metal cabinet parts and a known
earth ground, such as electrical conduit or electrical
ground connected to earth ground.
æUse anAC voltmeter having with 5000 ohm per volt,
orhigher, sensitivitytomeasure the AC voltage drop
across the resistor.
BEFORE RETURNING THE RECEIVER
(Fire & Shock Hazard)
Before returning the receiver to the user, perform
the following safety checks.

4
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10/ 20MJ10
PRECAUTIONS A PRENDRE LORS DE LA REPARATION
Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement
accoutumé à toute vérification de sécurité et aux conseils suivants.
AVERTISSEMENT
1. N'entreprendre aucune modification de tout circuit.
C'est dangereux.
2. Débrancher le récepteur avant toute réparation.
3. Les déversoirs thermiques à semi-conducteurs
peuvent présenter un danger de choc électrique
lorsque le réceqteur est en marche.
4. Le châssis de ce récepteur possède deux systèmes
de masse qui sont séparées par du matériel
d'isolation. Le système de masse non-isolée (sous
tension) est pour le circuit du régulateur de tension
+ B et le circuit de sortie horizontale. Le système de
masseisoléeestpour les tensions DC + B basses et
lecircuit secondairedutransformateur hautetension.
Pour éviter tout risque d'électrocution lors de
l'entretien de ce châssis, utiliser un transformateur
d'isolation entre le cordon de ligne et la prise de
courant.
PRECAUTION:POUR LA
PROTECTION CONTINUE
CONTRE LES RISQUES
D'INCENDIE, REMPLACER LE
FUSIBLE PAR UN FUSIBLE DE
MEME TYPE 4A-125V.
4A 125V
REPARATION DU SYSTEMEAHAUTE TEN-
SION ET DU TUBE-IMAGE
Lors de la réparation de ce systéme,
supprimer la charge statique en branchant
une résistance de 10 kΩen série avec un fil
isolé (comme une sonde d'essai) entre la
mise à la terre du tube-image et le fil
d'anodel.(Le corden d'alimentationdoit être
retiré de la prise murale.)
1. Le tube image dans ce récepteur emploie une
protection intégrée contre l'implosion.
2. Par mesure de sécurité, changer le tube-image pour
un tube du même numéro de type.
3. Ne pas lever le tube-image par son col.
4. Nemanipulerletube-imagequ'en porantdes lunettes
incassables et qu'après avoir déchargé totalement
la haute tension.
LIMITES DES RADIATIONS X ET DE LA
HAUTE TENSION
1. Tout le personnel réparateur doit être instruit des
instructions et procédés relatifs aux radiations X.
Le tube-image, seule source de rayons X dons les
téleviseurs transistorisés, n'émet pourtant pas de
rayonsmesurables si la hautetensionest maintenue
à un niveau préconisé dans la section "Vérification
de la haute tension".
C'estseulementquandlahautetensionestexcessive
que les rayons X peuvent entrer dans l'enveloppe
du tube-image y compris le conducteur de verre. Il
est important de maintenir la haute tension en-
dessous du niveau spécifié.
2. Il est essentiel que le réparateur ait sous la main un
voltmètreàhautetensionquidoitêtre périodiquement
étalonné.
3. La haute tension doit toujours être maintenue à la
valeur de régime -et pas plus haute. L'opération à
des tensions plus élevées peut entraîner une panne
du tube-image ou du circuit à haute tension et, dans
certaines conditions, peut entraîner une radiation
dépassant les niveaux préscrits.
4. Quand le régulateur à haute tension fonctionne
correctement, il n'y a aucun problème de radiation
X. Chaque fois qu'un châssis couleurs est réparé, la
luminosité doit être examinée bout en contrôlant la
haute tension à l'aide d'un voltmètre pour s'assurer
que la haute tension ne dépasse pas la valeur
spécifiée et qu'elle soit correctement réglée.
5. Nepasutiliser un tube-imageautre que celuispécifié
et ne pas effectuer de modifications déconseillées
du circuit à haute tension.
6. Lors de la recherche des pannes et des mesures
d'essai sur un récepteur qui présente une haute
tension excessive, éviter de s'approcher inutilement
du récepteur.
Nepasfaire fonctionner le récepteur plus longtemps
que nécessaire pour localiser la cause de la tension
excessive.

5
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10 / 20MJ10
VERIFICATIONS CONTRE L'INCEN-DIE ET
LE CHOC ELECTRIQUE
Avant de rendre le récepteur à l'utilisateur, effectuer
les vérifications suivantes.
æToucheravec lasonded'essai les piècesmétalliques
exposées qui présentent une voie de retour au
châssis (antenne, coffret métallique, tête des vis,
arbres de commande et des boutons, écusson, etc.)
et mesurer la chute de tension CA en-travers de la
résistance. Toutes les vérifications doivent être
refaites après avoir inversé la fiche du cordon
d'alimentation.(Si nécessaire, uneprise d'adpatation
non polarisée peut être utilisée dans le but de
terminer ces vérifications.)
Tous les courants mesurés ne doivent pas dépasser
0,5 mA.
Dans le cas contraire, il y a une possibilité de choc
électrique qui doit être supprimée avant de rendre le
récepteur au client.
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AVIS POUR LA SECURITE
Denombreuses pièces,électriques etmécaniques, dans
lestéléviseurs présententdes caractéristiquesspéciales
relativesà la sécurité,qui ne sontsouvent pas évidentes
à vue. Le degré de protection ne peut pas être
nécessairement augmentée en utilisant des pièces de
remplacement étalonnées pour haute tension,
puissance, etc.
Les pièces de remplacement qui présentent ces
caractéristiques sont identifiées dans ce manuel; les
piècesélectriquesqui présentent ces particularités sont
PRECAUTIONS A PRENDRE LORS DE LA REPARATION
(Suite)
1. Inspectertousles faisceauxdecâbles pours'assurer
que les fils ne soient pas pincés ou qu'un outil ne
soit pas placé entre le châssis et les autres pièces
métalliques du récepteur.
2. Inspecter tous les dispositifs de protection comme
les boutons de commande non-métalliques, les
isolants,le dosdu coffret,lescouvercles oublindages
de réglage et de compartiment, les réseaux de
résistance-capacité, les isolateurs mécaniques, etc.
3. S'assurer qu'il n'y ait pas de danger d'électrocution
en vérifiant la fuite de courant, de la facon suivante:
æBrancherle cordond'alimentationdirectem-ent àune
prise de courant de 120V. (Ne pas utiliser de
transformateur d'isolation pour cet essai).
æAl'aide dedeux filsà pinces,brancherunerésistance
de1,5 kΩ10watts enparallèle avecun condensateur
de0.15µF ensérie avectoutes lespièces métalliques
exposées du coffret et une terre connue comme une
conduite électrique ou une prise de terre branchée à
la terre.
æUtiliser un voltmètre CA d'une sensibilité d'au moins
5000Ω/Vpourmesurer lachutede tensionentravers
de la résistance.
AC
VOLTMETER
1.5k ohm
10w
TO EXPOSED
METAL PARTS CONNECT TO
KNOWN EARTH
GROUND
AUX PIECES
METALLIQUES
EXPOSEES
BRANCHER A UNE
TERRE CONNUE
Voltmètre CA
identifiées par la marque " å" et hachurées dans la
liste des pièces de remplacement et les diagrammes
schématiques.
Pour assurer la protection, ces pièces doivent être
identiques à celles utilisées dans le circuit d'origine.
L'utilisation de pièces qui n'ont pas les mêmes
caractéristiques que les pièces recommandées par
l'usine, indiquées dans ce manuel, peut provoquer des
électrocutions, incendies, radiations X ou autres
accidents.
0.15µF
SONDE D'ESSAI

6
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10/ 20MJ10
LOCATION OF USER'S CONTROL
19J-M100/150/100S/CJ19M10/20MJ10

7
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10 / 20MJ10
20J-M100/CJ20M10

8
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10/ 20MJ10
INSTALLATION AND SERVICE INSTRUCTIONS
Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic
screwdriver or TV alignment tools.
(2) Before performing adjustment, TV set must be on at least 15 minutes.
HIGH VOLTAGE CHECK
High voltage is not adjustable but must be checked
to verify that the receiver is operating within safe
and efficient design limitations as specified checks
should be as follows:
1. Connect an accurate high voltage meter between
ground and anode of picture tube.
2. Operate receiver for at least 15 minutes at 120VAC
line voltage, with strong air signal or properly tuned
in test signal.
3. Set service mode on (See next page.),Service
No.S19 and Bus data "01" (Y-mute on).
4. Thevoltageshould beapproximately 26.0kV(19J-
M100/100S/M150/CJ19M10) 26.5kV(20J-M100/
CJ20M10)(at zero beam)."
Ifacorrectreadingcannot beobtained,checkcircuitry
for malfunctioning components. After the voltage
test,make Y-mute off (normal mode).
CIRCUIT PROTECTION
The receiver is protected by a 4.0A fuse (F701),
mounted on PWB-A, wired into one side of the AC
line input.
X-RADIATION PROTECTOR CIRCUIT
TEST
1.After service has been performed on the horizontal
deflectionsystem, highvoltagesystem,B+system,
testthe X-Radiationprotection circuitto ascertain
properoperationasfollows:
1) Apply 120V AC using a variac transformer for
accurate input voltage.
2) Allow for warm up and adjust all customer controls
for normal picture and sound.
3) Select a local channel.
4) Connectadigitalvoltmeter to TP653 and make sure
thatthevoltmeter reads 20.9±1.5V(19J-M100/100S/
M150/CJ19M10),21.5±1.5V(20J-M100/CJ20M10).
5) Apply external 26.8V DC at TP653 by using an
external DC supply, TV must be shut off.
6) To reset the protector, unplug theAC cord and make
ashort circuit betweenTP651andTP652.Now make
sure that normal picture appears on the screen.
7) If the operation of the horizontal oscillator does not
stopinstep5,thecircuitmustberepaired before the
set is returned to the customer.

9
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10 / 20MJ10
1.Service mode -
Before putting unit into the service mode,
check, that customer adjustments are in the normal
mode. use the reset function in the video adjust
menu to ensure customer controls are in their
To enter the service mode .
While Pressing the Vol-up and Ch- up buttons at
once,plug the AC cord into a wall socket.Now the TV
set is switched on and enters the service mode.
To exit the service mode, shut the television off by
pressing the power button.
2.Service number selection
Once in the service mode, press the channel up or
channel down button on the remote transmitter or at
the set. the service adjustment number will vary in
increments of one, from "S01" to S19.
Select the item you wish to adjust.
3.Data number selection
Press the volume up or down button to adjust the
data number.
Figure B.
S01 D:00
02S01 55
SERVICE ADJUSTMENT NUMBER
DATA NUMBER
For adjustments of this model, the bus data is convered to various analog signals by the D-A converter
circuit.
Note: There are still a few analog adjustments in this series such as focus and master screen voltage.
Follow the steps below whenever service adjustment is required. See Figure "B" to determine if service adjust-
ments are required.
CHANNEL

10
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10/ 20MJ10
S01 PICTURE 55 00-7F
S02 TINT 46 00-7F
S03 COLOR 32 00-7F
S04 BRIGHTNESS 40 00-7F
S05 SHARPNESS 28 00-3F Must be set to “24”
S06 VERTICAL PHASE 00 00-07 Must be set to “00”~"03"
S07 HORIZONTAL PHASE 12 00-1F
S08 RF-AGC 2A 00-3F
S09 VERTICAL AMP 20 00-3F
S10 VCO 2C 00-7F
S11 R CUT-OFF 00 00-FF
S12 G CUT -OFF 00 00-FF
S13 B CUT-OFF 00 00-FF
S14 G GAIN 7F 00-FF
S15 B GAIN 7F 00-FF
S16 TRAP(3.58MHz) 00 00 or 01 Must be set to “00”
S17 BALANCE 20 00-3F Must be set to “20”
S18 C.C.POSITION 18 00-7F
S19 Y-MUTE 00 00,01,03 00=NORMAL, 01=no”Y, 03=NO VERTICAL”
SERVICE
NUMBER DATA ADJUSTMENT CONTENTS
ADJUSTMENT ITEM RANGE
Holding down both the CH UP/DOWN keys on the TV set at service mode for more then 2 seconds will automatically
write the above initial values into IC2101.
NECESSARY UNNECESSARY
ADJUSTMENT NOTES
PART REPLACED
IC2001
IC201
IC2101
CRT
The adjustment is needed to compensate for
characteristics of parts including IC201.
Data is stored in IC2101.
Adjust items related to picture tube only.
Holding down both the CH UP/DOWN keys on the TV set
at service mode for more than 2 seconds will automatically
write the above initial values into IC2101.
INITIAL VALUE
X
X
X
X
Table - A
Table - B

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19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10 / 20MJ10
ËË
ËË
Ë adjustment
VCO Adjustment
1. Connectadigital voltmeterbetweenpin (44)ofIC201
and ground.
2. Select a good local channel.
3. Enter the service mode. select adjustment "S10".
4. Adjust the data so that digital voltmeter shold read
2.2V
5. Adjustment is complete, remove the volt-meter,
return to "normal" mode.
RF AGC Adjustment
1. Have unit receive a good local channel.
2. Entertheservicemodeandselectservice adjustment
"S08".
3. Set the data value to point where no noise or beat
appears.
4. Select another channel to confirm that no noise or
beat appears.
NOTE1 :You will have to come out of the service
mode to select another channel.
NOTE2 :Setting the data to "00" will pro-duce a
black raster.
Screen adjustment
1. Connect a digital voltmeter between TP852 and
TP853 on the CRT socket PWB.
Note:These test points may not be provided.
Then connect the voltmeter to both ends of R852
located near Q852 on the foil side.
2. Select a good local channel.
3. Entertheservicemodeandselectservice adjustment
“S03” and set the data value to “00” to set the color
level to minimum.(Record original data code under
adjustment“S03” before changing)You may skipthis
step if you selected a B/W picture or monoscope
pattern.
4. Select service adjustment “S19” and adjust the data
value to “01” this turn off the luminance signal (Y-
mute).
5. Select service adjustment "S04" and adjust data
value to obtain 0.17 volts on the digital voltmeter.
6. Adjust the master screen cotrol untill raster darkens
to the point where raster is barely seen.
7. Adjust service adjustments "S11" red,"S12" green
and "S13" blue to obtain a good grey scale with
normal whites at low brightness level.
8. Select service adjustment “S19” and reset data to
“00”.
Select service adjustment “S03” and reset data to
obtain normal color level.
9. Remove digital voltmeter.
Reset master screen cotrol to obtain normal
brightness range.
White balance adjustment
1. Have unit receive a good local channel.
2. Enter the service mode. select service adjustment
"S03" and set to "00" ( minimum color) . "S03" does
not haveto be adjusted ifyouselected a B/W picture
or monoscope pattern.
3. Alternately adjust service adjustment data of "S14"
and"S15" untill a good greyscalewith normal whites
is obtained.
4. Select service adjustment "S03" and adjust data to
obtain normal color level.
Sub-picture adjustment
1. Have unit receive a good local channel.
2. Make sure the customer picture control is set to
maximum.
3. Entertheservicemodeandselectservice adjustment
"S01".
4. Adjust the data value to achieve normal contrast
range.
Sub-Tint Adjustment
1. Have unit receive a good local channel.
2. Set customer tint control to center of it's range.
3. Entertheservicemodeandselectservice adjustment
"S02".
4. Adjust"S02" data valuetoobtain normal fleshtones.

12
19J-M100/100S/150/20J-M100
CJ19M10/CJ20M10/ 20MJ10
"Horizontal position adjustment
1. Have unit receive a good local channel.
2. Entertheservicemodeandselectservice adjustment
"S07".
3. Adjust "S07" data value so that picture is centered.
Caption position adjustment (horizontal)
1. Have unit receive a good local channel.
2. Entertheservicemodeandselectservice adjustment
"S18".
3. A black text box appears on the screen ( see Figure
C ) .
4. Adjust"S18"data value so that text box ispositioned
in the center of the screen.
3.58MHz trap adjustment
1. Have unit receive a good local channel.
2. Entertheservicemodeandselectservice adjustment
"S16" .
3. This is a two position adjustment, "00"is ON , "01" is
OFF.
4. Adjust data value to "00" for normal viewing.
Sharpness and Audio balance adjust-
ments
1. Have unit receive a good local channel.
2. Enter the service mode and select "S05" for
sharpness and "S17" for balance.
• Sharpness adjustments
3. Adjust data value to "24" (center of data range) for
sharpness adjustment.
• Audio balance adjustments
4. Adjust data value to "20" (center of data range) for
Audio balance adjustment.
Sub-color adjustment
1. Have unit receive a good local channel.
2. Makesurethe customer color control issetto center
position .
3. Entertheservicemodeandselectservice adjustment
"S03".
4. Adjust "S03"data value to obtain normal color level.
Sub-brightness adjustment
1. Have unit receive a good local channel.
2. Make sure the customer brightness control is set to
center position.
3. Entertheservicemodeandselectservice adjustment
"S04".
4. Adjust "S04"data value to obtain normal brightness
level.
Vertical-size adjustment
1. Have unit receive a good local channel.
2. Entertheservicemodeandselectservice adjustment
"S09".
3. While observing the top and bottom of the screen,
adjust "S09" data value to proper vertical size .
Vertical phase adjustment
1. Entertheservicemodeandselectservice adjustment
"S06".
2. Adjust data value to "00"~"03" so that picture is
approximate center.
Note: Thismust be set "00"~"03" whenadjustanother
data retrace line will be appear.
Figure C.

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A
123456789101112
19J-M100/100S/150
CJ19M10/CJ20M10
19J-M100/100S/150
CJ19M10/CJ20M10
13 14
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123456
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123456
CHASSIS LAYOUT BLOCK DIAGRAM
MODEL 20MJ10
MODEL 20MJ10
20MJ10

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19J-M100/100S/150/CJ19M10/
20J-M100/CJ20M10 19J-M100/100S/150/CJ19M10/
20J-M100/CJ20M10
1615
DESCRIPTION OF SCHEMATIC DIAGRAM
WAVEFORM MEASUREMENT CONDITIONS:
1. Photographs taken on a standard gated color bar
signal, the tint setting adjusted for proper color. The
wave shapes at the red, green and blue cathodes of
the picture tube depend on the tint, color level and
picture control.
2. indicates waveform check points (See chart,
waveforms are measured from point indicated to
chassis ground.)
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123456
SCHEMATIC DIAGRAM :CRT Unit
NOTE:
1. The unit of resistance "ohm" is omitted (K:1000
ohms, M:1 Meg ohm).
2. All resistors are 1/8 watt, unless otherwise noted.
3. All capacitors are µ F, unless otherwise noted P:
µµ F.
4. (G) indicates ±2% tolerance may be used.
5. indecates line isolated ground.
6. indecates hot ground.
VOLTAGE MEASUREMENT CONDITIONS:
1. All DC voltages are measured with DVM connected
between points indicated and chassis ground, line
voltage set at 120V AC and all controls set for
normal picture unless otherwise indicated.
2. All voltages measured with 1000µ V B & W or Color
signal.
m AND SHADED ( ) COMPONENTS
= SAFETY RELATED PARTS.
▲ MARK= X-RAY RELATED PARTS.
DRGANNES MARQUES m ET HACHRES ( ):
PIECES RELATIVES A LA SECURITE.
MARQUE ▲ : PIECS RELATIVE AUX RAYONS X.
This circuit diagram is a standard one, printed circuits
may be subject to change for product improvement
without prior notice.
19J-M100/M150
CJ19M10
20MJ10

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19J-M100/100S/150
CJ19M10/CJ20M10
19J-M100/100S/150
CJ19M10/CJ20M10
17 18
SCHEMATIC DIAGRAM:MAIN Unit

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19J-M100/100S/150/CJ19M10/
20J-M100/CJ20M10 19J-M100/100S/150/CJ19M10/
20J-M100/CJ20M10
PWB-B:CRT Unit (Wiring Side)
PWB-A:MAIN Unit (Wiring Side)
20
19
PRINTED WIRING BOARD ASSEMBLIES(19J-M100/150/CJ19M10/CJ20M10)
SCHEMATIC DIAGRAM :CRT Unit

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19J-M100/100S/150
CJ19M10/CJ20M10
19J-M100/100S/150
CJ19M10/CJ20M10
2221
PWB-A:MAIN Unit (Chip Parts Side)
PWB-B:CRT Unit (Chip Parts Side)

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19J-M100/100S/150/CJ19M10/
20J-M100/CJ20M10 19J-M100/100S/150/CJ19M10/
20J-M100/CJ20M10
PRINTED WIRING BOARD ASSEMBLIES(19J-M100S)
PWB-B CRT PWB (Wiring Side)
2423

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19J-M100/100S/150
CJ19M10/CJ20M10
19J-M100/100S/150
CJ19M10/CJ20M10
PWB-B CRT PWB (Chip parts)
PWB-A MAIN PWB (Chip parts)
2625

27
Ref. No. Part No. ★Description Code Ref. No. Part No. ★Description Code
19J-M100/100S/150/CJ19M10
20J-M100/CJ20M10/20MJ10
Ref. No. Part No. ★Description Code Ref. No. Part No. ★Description Code
LISTE DES PIECES
CHANGE DES PIECES
Les pi`eces de rechange qui pr élelesentent ces caract éleristiques
sp éleciales de s élecurit éle, sont identifi élees dans ce manuel : les
pi`eces élelectriques qui pr élesentent ces particularit éles, sont rep
éler élee par la marque ået sont hachur élees dans les listes de
pi`eces et dans les diagrammes sch élematiques.
La substitution d'une pi`ece de rechange par une autre qui ne pr
éLesente pas les m éoemes caract éLeristiques de s élecurit éle que
la pi`ece recommand élee parl'usine et dans ce manuel de service,
peutprovoquerune éLelectrocution, unincendie ou toutautresinistre.
"COMMENT COMMANDER LES PIECES DE RECHANGE"
Pour que votre commande soit rapidement et correctement remplie,
veuillez fournir les renseignements suivants.
1. NUMERO DU MODELE 2. NO. DE REF
3. NO. DE PIECE 4. DESCRIPTION
in CANADE: Contact SHARP Electronics of Conada Limited
Phone [phone]
★MARQUE: SECTION LIVRAISON DES PIECES DE RECHANGE
çMARQUE : PIECES RELATIVE AUX RAYONS X
PICTURE TUBE DUNTK9273WEV0/V2/V4/V5
DUNTK9316WEV0/V2 MAIN UNIT
TUNER
NOTE:THE PARTS HERE SHOWNARE SUPPLIED ASAN ASSEM-
BLY BUT NOT INDEPENDETLY.
åTU51 VTUVTST6UF78/ J Tuner BD
INTEGRATED CIRCUITS
çå IC201 RH-iX2933CEZZ J TAL268N AX
çå IC201 RH-iX2573CEZZ J (20MJ10)
IC351 VHiTDA7233/-1 J TDA7233 AF
åIC501 VHiTA8403K/-1 J TA8403k AL
çå IC701 VHiSTR301301E J I.C. AP
åIC751 VHiKA7809Pi-1 R KiA7809Pi AE
IC2001 RH-iX2942CEZZ J TMPA8701CHF106 AV
IC2040 VHiPST994C/-1 J PST994C AD
IC2101 RH-iX2447CEN1 J ST24C01B6 AL
TRANSISTORS
You can substitute "VS2SD601AR/-1" for "VS2SC2462-C-1".
Q201 VS2SC2735//1E J 2SC2735 AC
Q351 VS2SD601AR/-1 J 2SD601(AR) AC
Q401 VS2SD601AR/-1 J 2SD601(AR) AC
Q402 VS2SB709AR/-1 J 2SB709(AR) AC
Q403 VS2SD601AR/-1 J 2SD601(AR) AC
Q404 VS2SB709AR/-1 J 2SB709AR AC
Q451 VS2SB709AR/-1 J 2SB709AR AC
Q601 VS2SC2655Y/-1 J 2SC2655(Y) AE
åQ602 VS2SD2095//1E J 2SD2095 AN
or VS2SD2095//1E
or VS2SD2499//1E
or VS2SD2586//1E
PRINTED WIRING BOARDASSEMBLYS
(NOT REPLACEMENT ITEM)
19J-M100/150/CJ19M10
çå V101 VB48AFS15X/*S M Picture Tube CC
or VB48KZL70X/*S
åL702 RCiLG0014MEZZ M Degaussing Coil AM
çå DY601 RCiLH0099MEZZ M Deflection Yoke AY
19J-M100S/20MJ10
çå V101 VB48KRD89X/1E M Picture Tube CB
åL702 RCiLG0014MEZZ M Degaussing Coil AM
çå DY601 RCiLH0100MEZZ M Deflection Yoke AZ
PMAGF3001MEZZ M Magnet Ass'y AG
MSPRT0002MEZZ M Spring for CRT AA
QEARC1913MEZZ M Grounding part AE
PARTS LIST
PARTS REPLACEMENT
Replacement parts which have these special safety characteristics
identified in this manual ; electrical components having such fea-
turesare identified by åand shaded areas in the Replacement Parts
Lists and Schematic Diagrams. The use of a substitute replacement
part which dose no have the same safety characteristic as the fac-
tory recommended replacement parts shown in this service manual
may create shock, fire or other hazards.
"HOW TO ORDER REPLACEMENT PARTS"
To have your order filled promptly and correctly, please furnish the
following informations.
1. MODEL NUMBER 2. REF. NO.
3. PART NO. 4. DESCRIPTION
in USA: Contact your nearest SHARP Parts Distributor to or-
der. For location of SHARP Parts Distributor, Please
call Toll-Free; 1-800-BE-SHARP
MARK★: SPARE PARTS-DELIVERY SECTION
MARKç: X- RAY RELATED PARTS
çå V101 VB51KZR50X/*S M Picture Tube
åDY601 RCiLH0105MEZZ M Deflection Yoke
åL702 RCiLG0017MEZZ M Degaussing Coil
20J-M100/CJ20M10
PWB-A DUNTK9273WEV0 _ Main Unit (19J-M100/150) _
PWB-A DUNTK9273WEV2 _ Main Unit (20J-M100) _
PWB-A DUNTK9273WEV5 _ Main Unit (CJ20M10) _
PWB-A DUNTK9273WEV4 _ Main Unit (CJ19M10) _
PWB-A DUNTK9316WEV0 _ Main Unit (19J-M100S) _
PWB-B DUNTK9274WEV2 _ CRT Unit (20J-M100/CJ20M10)
PWB-B DUNTK9274WEV0 _ CRT Unit(19J-M100/150) _
PWB-B DUNTK9317WEV0 _ CRT Unit(19J-M100S) _