Sharp 14LK14 Manuel utilisateur

14LK14

COLOR TELEVISION

Chassis No. GA-1'

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.

»ELECTRICAL SPECIFICATIONS ......................................................................................................... 1

»IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................2

»LOCATION OF USER'S CONTROL .....................................................................................................4

»INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................5

»CHASSIS LAYOUT .............................................................................................................................13

»BLOCK DIAGRAM ..............................................................................................................................14

»DESCRIPTION OF SCHEMATIC DIAGRAMS.................................................................................... 15

»PRINTED WIRING BOARD ASSEMBLIES ........................................................................................19

»REPLACEMENT PARTS LIST ............................................................................................................22

»PACKING OF THE SET ......................................................................................................................27

Page

CONTENTS

SERVICE MANUAL

MODEL

POWER INPUT ........................................ 110-120 V AC 50/60 Hz

POWER RATING ....................................................................53 W

PICTURE SIZE ........................................... 574cm2(88.97sq 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

OUTPUT RATING ................................... 1W (at 10% distortion)

ELECTRICAL SPECIFICATIONS

SPEAKER

SIZE .........................................................................9 cm x 5 cm

VOICE COIL IMPEDANCE ............................. 32 ohm at 400 Hz

ANTENNA INPUT IMPEDANCE

VHF/UHF ..................................................... 75 ohm Unbalanced

TUNING RANGES

VHF-Channels ............................................................... 2 thru 13

UHF-Channels ............................................................14 thru 69

CATV Channels ...........................................................1 thru 125

Specifications are subject to change without

prior notice.

SHARP CORPORATION

14LK14

IMPORTANT SERVICE SAFETY PRECAUTION

ËService work should be performed only by qualified service technicians who are thoroughly

familiar with all safety checks and the servicing guidelines which follow:

X-RADIATION AND HIGH VOLTAGE LIMITS

1. Be sure all service personnel are aware of the

procedures and instructions covering X-radiation.The

only potential source of X-ray in current solid state

TV receivers is the picture tube. However, the picture

tube does not emit measurable X-Ray radiation, if

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 the glass material.

The important precaution is to keep the high voltage

below the maximum level specified.

2. It is essential that servicemen have available at all

times an accurate high voltage meter.

The calibration of this meter should be checked

periodically.

3. High voltage should always be kept at the 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 in exceeding of desirable levels.

4. When the high voltage regulator is operating properly

there is no possibility of an X-radiation problem. 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 not

exceed the specified value and that it is regulating

correctly.

5. Do not use a picture tube other than that specified or

make unrecommended circuit modifications to the

high voltage circuitry.

6. When trouble shooting and taking test measurements

on a receiver with excessive high voltage, avoid being

unnecessarily close to the receiver.

Do not operate the receiver longer than is necessary

to locate the cause of excessive voltage.

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

which are separated by insulating material. The non-

isolated (hot) ground system is for the B+ voltage

regulator circuit and the horizontal output circuit.The

isolated ground system is for the low B+ DC voltages

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,

remove the static charge by connecting a

10k ohm resistor in series with an insulated

wire (such as a test probe) between the pic-

ture tube ground and the anode lead. (AC

line cord should be disconnected from AC

outlet.)

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.

14LK14

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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

necessarily increased by using replacement components

rated for higher voltage, wattage, etc.

Replacement parts which have these 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)

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 and etc.

3. To be sure that no shock hazard exists, check for

leakage current in the following manner.

•Plug the AC cord directly into a 110~220 volt AC

outlet, (Do not use an isolation transformer for this

test).

•Using two clip leads, connect a 1.5k ohm, 10 watt

resistor paralleled by a 0.15µF 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.

•Use an AC voltmeter having with 5000 ohm per volt,

or higher, sensitivity to measure the AC voltage drop

across the resistor. 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.

BEFORE RETURNING THE RECEIVER

(Fire & Shock Hazard)

Before returning the receiver to the user, perform

the following safety checks.

•Connect the resistor connection to all exposed metal

parts having a return to the chassis (antenna, metal

cabinet, screw heads, knobs and control shafts,

escutcheon and etc.) and measure the AC voltage

drop across the resistor.

AII checks must be repeated with the AC ine cord

plug connection reversed. (If necessary, a non-

polarized adapter plug must be used only for the

purpose of completing these check.)

Any current measured must not exceed 0.5 milliamp.

Any measurements not within the limits outlined

above indicate of a potential shock hazard and

corrective action must be taken before returning the

instrument to the customer.

MUTE

LOCATION OF USER'S CONTROL

Infrared Transmitter Window

INPUT

PressžSwitch toexternalvideoinput

mode.

Press againžSwitch toTV mode.

CHANNELUP/DOWN

(p)Selectsnexthigherchannel.

(q) Selects nextlowerchannel.

PressžAccesses MAIN MENU.

Pressžagain Exits MAIN MENU.

DISPLAY

PressžDisplays receiving channel for

4 seconds.

Press again Removes display.

•Temporarily displaysreceiving

channel when in Closed Caption

mode.

FrontPanel

CHANNELUP/DOWN

(p)Selectsnexthigherchannel.

( q)Selectsnextlowerchannel.

VOLUME UP/DOWN

(+) Increases sound.

(– ) Decreases sound.

POWER

PressžOn.

Pressžagain Off.

Basic Remote ControlFunctions

POWER

PressžOn.

Press againžOff.

REMOTE KEYPAD

Accesses anychannel from keypad.

FLAS HBACK

Returnsto previouschannel.

VOLUME UP/DOWN

(+) Increases sound.

(– ) Decreases sound.

•In menu mode,changesorselects

the TV adjustments.

PressžMutes sound.

Press againžRestores sound.

•CLOSED CAPTION appears when

sound is muted.

Press žAccessesMAIN MENU.

Press again žExits MAIN MENU.

ONTIMER

POWER indicator.

SENSOR AREA FOR

REMOTECONTROL

VIDEO/AUDIOTERMINALS

(VIDEO/AUDIO terminals arealso

providedon the rear.)

Note:

• The above shaded buttons on the Remote Control glow in the dark. To use the glow-in-the-dark display on the

remote control, place it under a fluorescent light or other lighting.

• The phosphorescent material contains no radioactive or toxic mater ial, so it is safe to use.

• The degree of illumination will var y depending on the strength of lighting used.

• The degree of illumination will decrease with time and depending on the temperature.

• The time needed to charge the phosphorescent display will var y depending on the surrounding lighting.

• Sunlight and fluorescent lighting are the most effective when charging the display.

• The TV set and remote control illustrations and the on-screen displays in this manual may differ from their actual

appearance.

14LK14

CIRCUIT PROTECTION

The receiver is protected by a 3.15A fuse (F701),

mounted on PWB-A, wired into one side of the AC

line input.

+B DC REGULATOR CONFIRMATION

The + B DC output voltage adjustment is not included

in this circuit.However, should confirmation be

reguired proceed as follows.

1. Actuate receiver with 220V AC input voltage.

2. Receive a local channel.

3. Connect positive lead of digital voltmeter to C754

positive side on PWB-A ; negative lead to chassis

ground.

4. Confirm this voltage reading is as below.

CAUTION: The reading should be within 130 ±2.0V DC

to ensure normal function and circuitry

reliability.

X-RADIATION PROTECTOR CIRCUIT TEST

After service has been performed on the horizontal

deflection system, high voltage system, B+ system,

test the X-Radiation protection circuit to ascertain

proper operation as follows:

1. Apply 220V 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. Receive a good local channel.

4. Connect a digital voltmeter to TP653 and make sure

that the voltmeter reads 21.1 ±1.5 V.

5. Apply external 27.9V DC at TP653 by using an

external DC supply, TV must be shut off.

6. To reset the protector, unplug the AC cord and make

a short circuit between TP651 and TP652. Now make

sure that normal picture appears on the screen.

7. If the operation of the horizontal oscillator does not

stop in step 5, the circuit must be repaired before the

set is returned to the customer.

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 110~220V

AC line voltage, with a strong air signal or a properly

tuned in test signal.

3. Receive a good local channel.

4. The voltage should be approximately, 23.5kV (at

picture MAX, Bright center condition).

If a correct reading cannot be obtained, check circuitry

for malfunctioning components. After the voltage test,

make Y-mute off to the normal mode.

INSTALLATION AND SERVICE INSTRUCTIONS

Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic

screwdrivers or TV alignment tools.

(2) Before performing adjustments, the TV set must be on at least 15 minutes.

14LK14

For adjustments of this model, the bus data is converted 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 the service adjustment is required. See "Table-B" to determine, if serv-

ice adjustments are required.

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 adjustment menu to

ensure customer controls are in their proper (reset)

position.

2. Service item selection

Once in the service mode, press the Ch-up or Ch-

down button on the remote controller or at the set.

The service adjustment item will vary in increments

of one. Select the item you wish to adjust.

3. Data number selection

Press the Vol-up or down button to adjust the data

number.

To enter the service mode and exit serv-

ice mode.

Short JA137&JA138 for 1 Second and release to switch

to the service mode position, and the microprocessor is

in input mode.(Adjustment through the I2C bus control.)

To exit the service mode, turn the television off by

pressing the power button.

25AGC:

DATA NUMBER

SERVICE ADJUSTMENT ITEM

Figure A.

14LK14

WHITE POINT

ADJ.

MODE

↓

W.P. RED OFFSET HIGH /

OFFSET BLUE TONE (DRI-R-HI)

↓

W.P. GREEN OFFSET HIGH /

OFFSET BLUE TONE (DRI-G-HI)

↓

W.P.BLUE OFFSET HIGH /

OFFSET BLUE TONE (DRI-B-HI)

↓

W.P. RED MH / STD (DRI-R-MH)

↓

W.P. GREEN MH / STD (DRI-G-MH)

↓

W.P. BLUE MH / STD (DRI-B-MH)

↓

W.P. RED OFFSET ML /

OFFSET RED TONE (DRI-R-ML)

↓

W.P. GREEN OFFSET ML /

OFFSET RED TONE (DRI-G-ML)

↓

W.P. BLUE OFFSET ML /

OFFSET RED TONE (DRI-B-ML)

↓

W.P. RED OFFSET LOW (DRI-R-LO)

↓

W.P. GREEN OFFSET LOW (DRI-G-LO)

↓

W.P. BLUE OFFSET LOW (DRI-B-LO)

SUB

ADJ.

MODE

↓

MAX VOLUME (SUB-VOL)

↓

SUB CONTRAST (SUB-CON)

↓

SUB TINT (SUB-TINT)

↓

SUB COLOUR (SUB-COL)

↓

SUB BRIGHTNESS (SUB-BRI)

↓

SUB SHARPNESS (SUB-SHP)

↓

MAX HOTEL VOLUME (HTL-VOL)

↓

HOTEL PROGRAM NO(HTL-PRG)

↓

BLUE BACK CONTRAST (BB-CON)

↓

OSD GRB REFERENCE (RGB)

↓

BLACK LEVEL OFFSET R(CUT-R)

↓

BLACK LEVEL OFFSET G(CUT-G)

↓

CATHODE DRIVE LEVEL(CDL)

AGC &

GEOMETRIC

MODE

↓

AGC TAKE OVER POINT (AGC)

↓

VERTICAL SLOPE (V-LIN)

↓

VERTICAL AMP (V-AMP)

↓

VERTICAL SHIFT (V-CENT)

↓

VERTICAL ZOOM (V-ZOOM)

↓

HORIZONTAL SHIFT (H-CENT)

↓

EAST-WEST WIDTH (H-SIZE)

↓

HORIZONTAL PARALLELOGRAM (EW//)

↓

EAST-WEST PARABOLA / WIDTH (PARA)

↓

EAST-WEST UPPER CORNER

PARABOLA (COR(U))

↓

EAST-WEST LOWER CORNER

PARABOLA (COR(L))

↓

EAST-WEST TRAPEZIUM (TRAPE)

↓

HORIZONTAL BOW (HB)

↓

S-CORRECTION (S-COR)

AGC & WHITE POINT SUB

GEOMETRIC ADJ. ADJ.

MODE MODE MODE

OFFSET

ADJ.

MODE

FEATURE IC MTS

OPTION OPTION ADJ.

MODE MODE MODE

SERVICE MODE

(1) In the Service Mode, Key is used to select the mode in the following oreder.

14LK14

1Press the CH DOWN/UP key on the remote controller to get ready to select the mode one by one.

2Press the CH DOWN/UP key on the remote controller to select the modes reversibly one by one.

3Using the VOLUME UP/DOWN key on the remote controller, the data can be modified.

(OSD disturbance can be erased by R/C display key)

Figure B: ADJUSTMENT CATEGORIES

FORWARD : CH DOWN KEY

REVERSE : CH UP KEY

( ) means OSD display.

OFFSET

ADJ.

MODE

↓

Y-D TIME (TV) [ YD ] (DL-TV)

↓

Y-D TIME (AV) [ YD ] (DL-AV)

↓

INITIAL/DEFAULT LANGUAGE (INIT)

↓

FAO-MAX VOLUME (FAO-VOL)

↓

ENERGY SAVE OFFSET (ESV_OFFS)

↓

CLOSE CAPTION POSITION (CCPOS)

MTS

ADJ.

MODE

↓

ATTENUATE INPUT SIGNAL LEVEL (ATT)

↓

VCO FREE RUNNING FREQUENCY ADJ. (VCO)

↓

STEREO, SAP, DBX FILTER ADJ. (FILTER)

↓

STEREO SEPARATION ADJUSTMENT (300HZ) (WIDEBAND)

↓

STEREO SEPARATION ADJUSTMENT (3kHZ) (SPECTRAL)

↓

BASS LEVEL (BASS)

↓

TREBLE LEVEL (TREBLE)

OPTION

MODE

↓

VERTICAL SCAN DISABLE (VSD)

↓

BLACK STRETCH (BKS)

↓

AUTOMATIC VOLUME LEVELLING (AVL)

↓

FAST FILTER IF-PLL ( FFI )

↓

ENABLE VERTICAL GUARD ( EVG )

↓

EHT TRACKING MODE ( EHT )

↓

OVERSCAN SWITCH OFF (OSO)

↓

AUTO COLOUR LIMIT (ACL)

↓

FORCED COLOUR-ON (FCO)

↓

VIDEO MUTE AT IDENT LOSS (VMI)

↓

VIDEO MUTE AT PROGRAM/SOURCE CHANGE (VMC)

↓

HOTEL MODE (HTL)

↓

GAIN FM DEMODULATOR (BTSC)

↓

CHARGE PUMP (CP)

↓

FM WINDOW SELECTION (FMWS)

↓

SOUND MUTE BIT 0 (SM0)

↓

SOUND MUTE BIT 1 (SM1)

↓

IF AGC SPEED BIT 0 (AGC0)

↓

IF AGC SPEED BIT 1 (AGC1)

↓

PHI 1 TIME CONSTANT FOR FE (FOA-FE)

↓

PHI 1 TIME CONSTANT FOR FE (FOB-FE)

↓

PHI 1 TIME CONSTANT FOR AV (FOA-AV)

↓

PHI 1 TIME CONSTANT FOR AV (FOB-AV)

↓

FORCED SLICING LEVEL FOR VERTICAL SYNC.(FSL)

↓

SYNCHRONISATION OF OSD/TEXT DISPLAY (HP2)

↓

RGB BLANK (RGBL)

FEATURE

OPTION

MODE

↓

V-CHIP (V-CHIP)

↓

MTS DECODING ENABLED (MTS)

↓

DEMO MODE (DEMO)

↓

REAL TIME CLOCK / ON TIMER (CLOCK)

↓

ENERGY SAVE (E-SAVE)

↓

PERSONAL PREFERENCE PROGRAM (P_PREF)

↓

UNIVERSAL PLUS (UNIV+)

↓

SPEAKER ON/OFF (SPEAKER)

↓

FIXED AUDIO OUT (FAO)

↓

VIEW TIMER (VIEW-TM)

↓

FRENCH LANGUAGE (FRENCH)

↓

EZ SETUP / AUTOPRESET (EZ-SETUP)

↓

WHITE TEMP OR FAVORITE COLOR (W-TEMP)

↓

AV ENABLED OR DISABLED (AV)

↓

AV2 ENABLED OR DISABLED (AV2)

↓

DYNAMIC SKIN CONTROL (DSK)

↓

RATIO PRE- AND OVERSHOOT BIT 0 (RPO0)

↓

RATIO PRE- AND OVERSHOOT BIT 1 (RPO1)

↓

GAIN FM DEMODULATOR (AGN)

↓

AUTO SWITCH OFF ENABLED (AUTO-OFF)

14LK14

SERVICE

POSITION ADJUST ITEM DATA

RANGE

INITIAL VALUE

FIX/ADJ REMARK

AGC AGC TAKE OVER POINT 0~63 14 ADJ

V-LIN VERTICAL SLOPE 0~63 32 ADJ

V-AMP VERTICAL AMP 0~63 32 ADJ

V-CENT VERTICAL SHIFT 0~63 32 ADJ

V-ZOOM VERTICAL ZOOM 0~63 32 FIX

H-CENT HORIZONTAL SHIFT 0~63 32 ADJ

H-SIZE EAST-WEST WIDTH 0~63 32 FIX

EW// HORIZONTAL PARALLELOGRAM 0~63 32 FIX

PARA EAST-WEST PARABOLA / WIDTH 0~63 32 FIX

COR(U) EAST-WEST UPPER CORNER PARABOLA 0~63 32 FIX

COR(L) EAST-WEST LOWER CORNER PARABOLA 0~63 32 FIX

TRAPE EAST-WEST TRAPEZIUM 0~63 32 FIX

HB HORIZONTAL BOW 0~63 32 FIX

S-COR S-CORRECTION 0~63 0 FIX must be "17"

DRI-R-HI “W,P RED OFFSET HIGH / OFFSET BLUE TONE” 0~63 32 FIX must be "32"

DRI-G-HI W.P. GREEN OFFSET HIGH / OFFSET BLUE TONE 0~63 32 FIX must be "33"

DRI-B-HI W.P.BLUE OFFSET HIGH / OFFSET BLUE TONE 0~63 32 FIX must be "37"

DRI-R-MH W.P. RED MH / STD 0~63 25 FIX must be "32"

DRI-G-MH W.P. GREEN MH / STD 0~63 32 ADJ

DRI-B-MH W.P. BLUE MH / STD 0~63 32 ADJ

DRI-R-ML W.P. RED OFFSET ML / OFFSET RED TONE 0~63 32 FIX must be "32"

DRI-G-ML W.P. GREEN OFFSET ML / OFFSET RED TONE 0~63 32 FIX must be "32"

DRI-B-ML W.P. BLUE OFFSET ML / OFFSET RED TONE 0~63 32 FIX must be "25"

DRI-R-LO W.P. RED OFFSET LOW 0~63 32 FIX must be "32"

DRI-G-LO W.P. GREEN OFFSET LOW 0~63 32 FIX must be "22"

DRI-B-LO W.P. BLUE OFFSET LOW 0~63 32 FIX must be "19"

SUB-VOL MAX VOLUME 0~63 63 FIX must be "63"

SUB-CON SUB CONTRAST 0~63 63 FIX must be "52"

SUB-COL SUB COLOUR 0~63 32 ADJ

SUB-BRI SUB BRIGHTNESS 0~63 32 ADJ

SUB-TINT SUB TINT 0~63 32 ADJ

SUB-SHP SUB SHARPNESS 0~63 32 FIX must be "24"

HTL-VOL MAX HOTEL VOLUME 0~63 32 FIX

HTL-PRG HOTEL PROGRAM NO 0~125 or >125 for none 255 FIX

BB-CON BLUE BACK CONTRAST 0~15 10 FIX must be "5"

RGB OSD GRB REFERENCE 0~15 15 FIX must be "15"

CUT-R BLACK LEVEL OFFSET R 0~63 32 ADJ

CUT-G BLACK LEVEL OFFSET G 0~63 32 ADJ

CDL CATHODE DRIVE LEVEL 0~15 0 FIX must be "2"

DL-TV Y-D TIME (TV) [ YD ] 0~15 12 FIX must be "2"

DL-AV Y-D TIME (AV) [ YD ] 0~15 12 FIX must be "8"

INIT INITIAL/DEFAULT LANGUAGE 0(English), 1(Spanish), 0FIX*

2(French)

FAO-VOL FAO-MAX VOLUME 0~63 63 FIX must be "63"

ESV_OFFS ENERGY SAVE OFFSET 0~63 10 FIX must be "20"

CCPOS CLOSE CAPTION POSITION 0~255 32 ADJ

ATT ATTENUATE INPUT SIGNAL LEVEL 0~15 10 FIX

VCO VCO FREE RUNNING FREQUENCY ADJ. 0~63 32 FIX

FILTER “STEREO, SAP, DBX FILTER ADJ. “ 0~63 28 FIX

WIDEBAND STEREO SEPARATION ADJUSTMENT (300HZ) 0~63 32 FIX

SPECTRAL STEREO SEPARATION ADJUSTMENT (3kHZ) 0~63 27 FIX

BASS BASS LEVEL 0~15 8 FIX

TREBLE TREBLE LEVEL 0~15 8 FIX

VSD VERTICAL SCAN DISABLE 0 or 1 when item selected 0 FIX

BKS BLACK STRETCH 0(disable) or1(enable) 1 FIX

AVL AUTOMATIC VOLUME LEVELLING 0(disable) or1(enable) 1 FIX

FFI FAST FILTER IF-PLL 0(disable) or1(enable) 0 FIX

EVG ENABLE VERTICAL GUARD 0(disable) or1(enable) 1 FIX

EHT EHT TRACKING MODE 0(disable) or1(enable) 1 FIX

OSO OVERSCAN SWITCH OFF 0(disable) or1(enable) 0 FIX

ACL AUTO COLOUR LIMIT 0(disable) or1(enable) 0 FIX

FCO FORCED COLOUR-ON 0(disable) or1(enable) 0 FIX

VMI VIDEO MUTE AT IDENT LOSS 0(disable) or1(enable) 1 FIX

VMC VIDEO MUTE AT PROGRAM/SOURCE CHANGE 0(disable) or1(enable) 1 FIX

HTL HOTEL MODE 0(disable) or1(enable) 0 FIX

BTSC GAIN FM DEMODULATOR 0(disable) or1(enable) 0 FIX

CP CHARGE PUMP 0(fast tuning) or 1 0 FIX

(moderate speed tuning)

SERVICE MODE

14LK14

SERVICE

POSITION ADJUST ITEM DATA

RANGE

INITIAL VALUE

FIX/ADJ REMARK

FMWS FM WINDOW SELECTION 0(disable) or1(enable) 0 FIX

SM0 SOUND MUTE BIT 0 (SM0) 0(disable) or1(enable) 1 FIX

SM1 SOUND MUTE BIT 1 0(disable) or1(enable) 0 FIX

AGC0 IF AGC SPEED BIT 0 0(disable) or1(enable) 1 FIX

AGC1 IF AGC SPEED BIT 1 0(disable) or1(enable) 0 FIX

FOA-FE PHI 1 TIME CONSTANT FOR FE 0(disable) or1(enable) 0 FIX

FOB-FE PHI 1 TIME CONSTANT FOR FE 0(disable) or1(enable) 0 FIX

FOA-AV PHI 1 TIME CONSTANT FOR AV 0(disable) or1(enable) 1 FIX

FOB-AV PHI 1 TIME CONSTANT FOR AV 0(disable) or1(enable) 1 FIX

FSL FORCED SLICING LEVEL FOR VERTICAL SYNC. 0(disable) or1(enable) 0 FIX

HP2 SYNCHRONISATION OF OSD/TEXT DISPLAY 0(disable) or1(enable) 0 FIX

RGBL RGB BLANK 0(disable) or1(enable) 0 FIX

V-CHIP V-CHIP 0(disable) or1(enable) 0 FIX

MTS MTS DECODING ENABLED 0(disable) or1(enable) 0 FIX

DEMO DEMO MODE 0(disable) or1(enable) 1 FIX

CLOCK REAL TIME CLOCK / ON TIMER 0(disable) or1(enable) 1FIX*

E-SAVE ENERGY SAVE 0(disable) or1(enable) 1 FIX

P_PREF PERSONAL PREFERENCE PROGRAM 0(disable) or1(enable) 0 FIX

UNIV+ UNIVERSAL PLUS 0(disable) or1(enable) 0FIX

SPEAKER SPEAKER ON/OFF 0(disable) or1(enable) 0 FIX

FAO FIXED AUDIO OUT 0(disable) or1(enable) 0 FIX

VIEW-TM VIEW TIMER 0(disable) or1(enable) 1FIX*

FRENCH FRENCH LANGUAGE 0(disable) or1(enable) 1FIX

EZ-SETUP EZ SETUP / AUTOPRESET 0(AUTOPRESET) or 1 FIX

1(EZ SETUP)

W-TEMP WHITE TEMP OR FAVORITE COLOR 0(FC) or 1(WT) 0 FIX

AV AV ENABLED OR DISABLED 0(without ext. source) or 0 FIX

1(with external source)

AV2 AV2 ENABLED OR DISABLED 0(1 input) or 1(2 input) 0 FIX

DSK DYNAMIC SKIN CONTROL 0(disable) or1(enable) 0 FIX

RPO0 RATIO PRE- AND OVERSHOOT BIT 0 0(disable) or1(enable) 0 FIX

RPO1 RATIO PRE- AND OVERSHOOT BIT 1 0(disable) or1(enable) 0 FIX

AGN GAIN FM DEMODULATOR 0(normal) or1(+6dB) 0 FIX

AUTO-OFF AUTO SWITCH OFF ENABLED 0(disable) or1(enable) 1 FIX

IC801

IC1003 X

CRT X

Data is stored in IC1003.

Adjust items related to picture tube only.

Holding down to short JA137 & JA138 and turn on the main power SW will automatically write the initial values into

IC1003.

This is only can done when a new EEPROM is used. (Judge with the first 4 bytes.)

Table - B

Holding down to short JA137 & JA138 and turn on the main

power SW will automatically write the initial values into IC1003.

This is only can done when a new EEPROM is used. (Judge

with the first 4 bytes.)

ADJUSTMENT

NECESSARY UNNECESSARY

PART REPLACED NOTES

Table - A

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