JVC HV-29LPZ-EE, HV-29LPZ-A, HV-29LPZ-HK User Manual

Z

SERVICE MANUAL

COLOUR TELEVISION

HV-29LP

BASIC CHASSIS

HV-29LPZ
HV-29LPZ
HV-29LPZ
HV-29LPZ

MF

/HK

/-A

/EE

CONTENTS

!

SPECIFICATIONS

!

SAFETY PRECAUT IONS ･･････････････

! MAIN DIFFERENCE LIST ･･････････････
! FEATU RES･･････････････････････････
!

FUN CTIONS ･････････････････････････

1

････････････････････

････････････････････

････････････････････････････････････････

･･････････････3

････････････････････････････
･･････････････4

････････････････････････････

･･････････････････････････ 4

････････････････････････････････････････････････････

･････････････････････････ 6

･･････････････････････････････････････････････････

COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.

2

!

SPECIFIC SERVICE INSTRUCTIONS

!

SERVICE ADJUSTMENTS････････････

! PARTS LIST ･･･････････････････････
★ OPERATING INSTRUCTIONS
★ STANDAR D CIRCUIT DIAGRAM ･･･････

･･･････････････････････ 37

･･････････････････････････････････････････････

････････････ 14

････････････････････････

････

････

････････

･･･････ 2- 1

･･････････････

No.520 12
Jun. 2002

8

HV-29LP

Z

)

SPECIFICATIONS

Item Content

Dimensions ( W××××H××××D ) 73 .2cm ×58.7cm× 51 .8cm

Mass 48 .0 kg

TV RF System B/G, I, D/K, K1, M

Colour Syst em PA L / SEC A M / NTSC 3 .58 / N TSC 4.43

Stere o Sy st em

Teletext System Fastext (UK system) * [ * Without TE XT m od e : HV-29 LPZ

VL 46 .25 MHz ～ 1 68. 25 MH z

Rec eiving

Frequency

Intermediate

Frequency

Colour Sub Carrier

Frequency

Power Input AC 110V～2 40V , 50/60Hz

VH

UHF

CATV

VIF 38 .0 MHz

SIF 32 .5 MH z(5. 5MH z) / 32. 0MH z(6.0M H z) / 3. 15MH z(6.5 MH z) / 33 .5MHz (4.5 MHz)

PAL 4.43MHz

SE CAM 4.40625MHz / 4.25MHz

NT S C 3.58MHz / 4.43MHz

A2 (B /G) / NICAM (B/G , I, D/K, K 1)

WST(worl d s tan dar d Te xst )

17 5.2 5MH z ～ 46 3.2 5MHz

47 1.2 5MH z ～ 86 3.2 5 MH z

Mid (X～Z+2, S1～S10), Super (S11～S20) & Hyper (S21～S41

/HK

]

Power Consumption Max 2 54W / Avg. 170W

Aerial Input Term

Pictur e Tube 29 ”(68c m) m ea sured di a gon ally

High Voltage 31.5kV (At zero beam current )

Audio Powe r Output 20 W + 20W

Speake r

Vide o

Au di o (L /R ) 50 0m Vr ms(-4d Bs) , H i gh Impe dan ce

Input

Terminal

Output

Terminal Au dio (L/R) 500mVrms(-4dBs), Low Impedance

AV Compulink

Headphone jack

Remote Control Unit

S / Vide o

Comp onent Cb/Cr

Vide o

75Ωun ba l anc ed, C oaxial

+1.0kV

-1.5kV

φ10 cm Roun d t ype ×2 / φ3 .5cm R ou nd type×2

1Vp-p 75

Y : 1V(p -p ) Posi ti v e ( N ega tive s yn c pro vided ) 75
C : 0 .28 6V (p -p) (b urst s i g na l) , 7 5Ω

Y : 1V (p -p ), 75
Cb : B- Y 0 .7V (p-p ), 7 5Ω / Cr : R-Y 0 .7V(p-p), 75Ω

1V(p-p) 75Ω

Mono mini jack (φ3.5mm )

St ereo min i jac k (φ3.5mm )

RM-C214 (AA/R06 / UM-3 , Dry cell battery×2) : HV -29L PZ / HV -2 9L PZ

RM-C215 (AA/R06 / UM-3 , Dry cell battery×2) : HV - 29LPZ

Ω

Ω

De sign & speci f icatio ns ar e su bje ct to cha ng e wi thout no t ice.

Ω

/HK

/-A

/ HV -2 9LP Z

/EE

2

No.52012

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SAFETY PRECAUTIONS

HV-29LP

1. The d esign of th is prod uct con ta ins sp ecial har d ware, ma ny
circuit s and components specially for saf ety purposes. For
con tinu ed pr ot ecti on , n o chan g es sh ould b e ma de to the o rig i nal
d esign un less a uth or ized in writi n g by th e manu fac t urer .

Replacem ent p arts m ust b e i d entic al to thos e u sed in th e or i gi n al
ci rcu its. S er v i ce sho ul d b e p er for m ed by qu alif ied p ers on nel
on ly.

2. Alte r ation s of the desi g n or circui tr y of t he prod ucts s h oul d not be
made. Any design alterations or additions will void the
manu fac t urer 's warra nt y and will f urth er r el i eve t he ma nufac tu rer
of r esp onsib ili ty for per s o na l injury or pr operty d am ag e res ul t ing
th erefr om.

3. Man y electr i c al an d m ec h ani ca l p ar ts i n th e pr od uc ts ha v e
special safety-related chara cteristics. T hese characteristics are
oft en no t e vi den t f r om v i sua l insp ecti on nor ca n t he pro tect io n
aff orde d by th em nece ssarily be ob tain ed b y u s in g r ep l ac em en t
com po nents rated for hig he r vo l tag e, watt age, etc . R ep lac em en t
p arts whic h have th ese sp ecial s afet y ch ar act erist ics ar e

ide ntified in the parts list of Ser vic e manua l. El ectric al

components having such features are identified by shading
on the sche mat ic s and b y (!!!! ) on the parts list in Service
manual. The us e of a sub sti tu te r ep lac em en t which do es n ot

h ave th e sam e s af ety c h ar ac t erist ics as t he reco mmen ded
replac ement par t sh ow n i n th e parts list of Ser v i ce man ual m ay

cause shock, fire, or other hazards.

4. Don't shor t between the LIVE s ide ground and ISOLATED

(NE UTRAL) side ground or EARTH side ground when
repairing.

Some model's power circuit is partly different in the GND. The
diff erenc e of th e G ND i s sho wn b y th e LIVE : (") side GN D, the
ISO LATE D(N EU TR AL) : ( #) side G ND and EARTH : ($) side
GND. D o n't sh ort b et ween th e LIV E s i d e GND an d

ISO LATE D(N EU TR AL) si de GND or EAR TH side GN D an d
n ever mea sure w it h a mea sur i ng a ppa r atus ( osci l lo scop e etc.)
th e LI VE sid e GN D an d IS OLA TED(NE UTRAL ) s ide G ND or
EARTH sid e GND at the s ame time.
If above not e will not be kept, a fuse or any parts will be broken.

5. If any repair has been made to the chassis, it is recommended
th at t he B1 set ting shou l d b e c h ec ked or adju ste d ( Se e
ADJUSTM ENT OF B 1 POW E R SUPPLY).

6. The high volta ge applie d t o th e pic tu re tu be mus t c on form with
th at sp ecifi ed i n S ervi ce man ual . E xc essi ve h i gh volt ag e c a n

cau se an i ncr e ase i n X- R ay em iss i on , arci ng an d possi b le
component damage, therefore operation under excessive high
voltage conditions should be kept to a minimum, or should be
preve nt ed. If s ever e arc ing occur s, r emov e t he AC power

immed iate l y and de ter m i ne th e ca us e b y vi sua l insp ec t ion
(incor r ec t in stal lat i on, cr ac ke d or melte d hi gh vo lt age harn ess,
p oor so ld er ing, et c.) . T o m ai nt ain the prope r mi n imu m le vel of
sof t X- R ay em iss i on, c omp on en ts i n th e hi gh voltag e c i r cuitr y
incl ud i ng t he pict ure tu be must be t he e xact r ep lacem e nts or

alte rn at ives ap pr ove d b y th e manuf ac t urer of th e c omplet e
prod uct.

7. Do not c hec k hi gh volt ag e by dr aw i ng an arc. Use a hi gh volt age
meter or a hig h v oltag e pr ob e wit h a V TVM . Discha rg e th e
picture tube before attempting meter connection, by connecting

a cl i p le ad to th e gr ou nd f rame and conn ecti n g th e oth er end of
the lead through a 10kΩ 2W resi sto r to the anod e butt on .

8. W hen se r vice is r equ ire d, ob serve th e or i gi na l lea d dr ess. E x tr a
prec aut i on sh ou ld b e given t o assur e cor r ect l ea d dress in th e
high vol tag e circui t a rea. W her e a s hor t c i r cuit h as occ u rr e d,
th ose co mpon ent s tha t indica te evide nce of ove r hea ting should

b e r e place d. A lways u s e th e manuf act ur er 's rep lacem ent
components.

9. Isolation Check

(Safety for Electrical Shock Hazard)

Af ter r e- ass embl in g th e p r odu ct, always per f orm an i solat io n
ch eck on the expo s ed me tal p ar ts of t he cabin et ( a nte nn a

ter m i na ls, vid eo /au dio i npu t and outpu t t ermi n al s, C on trol kn obs,
metal cabin et, sc r ew he ad s, ea rph one j ack, con tr ol s haf ts, etc.)
to be su re th e p r odu ct is s af e t o o pe rate with ou t d an ger of
elect rical shoc k.

(1) Dielectric Strength Test

The iso lation be tw een the AC pr im a ry ci rcu it an d al l me tal p arts
exp osed t o the us er, p ar ticular ly an y e xpos ed met al p art having a
retu rn p ath to t he c hass is sho uld withs tan d a vol t age of 3000 V
AC (r.m.s.) for a period of one second.

(. . . . W it hstan d a v o lt age of 110 0V A C (r .m. s.) t o an ap plianc e

rate d up to 12 0V , an d 3 00 0V AC ( r.m. s.) to an ap pl i an c e r at ed
200V or more, for a period of one second.)
This meth od of test r equi res a test equipment n ot g enerall y fou nd
in t he serv ic e trad e.

(2) Leakage Current Check

Plug th e AC l in e c ord d irect ly into the A C ou tlet ( d o not use a lin e
isol ati o n transf orm er du r ing this ch eck.). U sin g a " Lea kag e

Current T este r", me as ur e th e l ea k ag e cu rr e nt f rom eac h ex p os ed
metal p ar t of the cabine t, p art icu lar ly any e x pos ed me tal p art
h aving a re turn pa th to the ch assis , to a kn own go od ea rt h
grou nd (w a ter pip e, e tc.). An y l eaka ge c ur r en t must n ot e xceed

0.5mA AC (r.m.s.).
Howev e r, in trop ic al ar ea , th is mu st no t ex ce ed 0.2 mA AC
(r.m.s.).

"""" Alte rn at e Che ck M et hod

Plug th e AC l in e c ord d irect ly into the A C ou tlet ( d o not use a lin e
isol ati o n tran sfor m er dur i ng this c he c k.). Use an AC vo lt meter

h aving 1 00 0 oh ms pe r vol t or mor e s ens it i vity i n th e fo llowi ng
mann er . C on nec t a 1 50 0Ω 10W res ist or par a lle le d b y a 0 .1 5µF

AC-type c apa cit or bet ween an expo sed met al pa rt and a kno wn
g ood e ar th gr o und (water pi pe , etc.) . M eas ur e th e A C volt ag e
acr os s th e res ist or wi th th e AC vo l tm eter. Move th e r es i stor
con nec tion to e ach exp ose d me tal part, p art i cularly any exp osed

metal p ar t havi n g a r etu rn pat h to the ch assis, and m easu r e th e
AC vol tag e ac ros s the res ist or. No w , re v er se th e pl u g in th e AC
ou tl et and re pe at eac h mea suremen t. An y vol t ag e me asu re d
must no t e xc eed 0 .7 5V AC (r.m. s.) . This c orre spo nds to 0 .5mA
AC (r.m.s.).

Howeve r, in tropica l area, this must n ot exce ed 0 .3V AC ( r .m.s.).
This corresponds to 0.2mA AC (r.m.s.).

AC VOLT METER
(HAVING 1000 Ω /V,
OR MOR E SENSIT IVITY)

0.15μF AC-T YPE

PLACE THIS PROBE

1500 Ω 10W

GOOD EARTH GROUND

ON E A C H EX PO SE D
ME T AL PA RT

No.52012

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HV-29LP

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MAIN DIFFERENCE LIST

!!!!

Part n ame

MICOM PWB SMF0M90 1A -H2 SMF0M90 2A -H2 SMF0M90 3A -H2 SMF0M90 4A -H2

!

POWER CORD QM P4 0D 0-20 0J5 QMPN 050-20 0-E2 QMPR 010-20 0-E2 QM P4 0D 0-20 0J5

!

FRONT CABI .ASSY LC11193-0 08B- H LC1 1193-02 3A- H LC 111 93-0 08B-H

!

REAR COVER LC1 0763- 007B-HH LC1076 3-00 2D-H LC1 0763- 007B- HH

!

RATI NG LABEL LC2037 7-00 1B-H LC2 0377-01 2B- H LC2 0413-00 2B-H LC2 037 7-00 9B-H

!

INST BOOK LCT1215-001A-H LCT1217-001A-H LCT1215-001A-H LCT1218-001A-H

!

DIGEST MANUAL

!

CONVER SI ON PLUG

WARRANTY CARD

REMOTE CONTROL UNI T RM- C21 4-1C RM-C 215- 1C RM-C21 4-1C

Model name

HV-29LPZ HV-29LPZ

××

××

×××

/HK

HV-29LPZ

LCT1216-001A-H

QAM 0055 -001

/-A

FEATURES

HV-29LPZ

×

×

BT-54012-2

/EE

"

New c hassi s d esign ena bl e us e of an inte rac tive on screen

control.

"

The TELETEXT SYSTEM has a built-in FASTEXT (UK system),

and WST (world standard system) system.

*

E xc ept HV -2 9L PZ

"

Pure FLA T CRT repr od uc e f in e t extu r ed.

" Dig i Pu re pr o : Au to dig i pur e with m ot io n pi ctur e c ompe nsat i on.
"

Be caus e th is TV un i t corr esp on ds t o m ultipl e x br oa dca s t, u ser s

can enjoy music programs and sporting events with live realism.

In ad dition , BI LIN GU AL pro gr am s can be h ear d in th ei r or i g in al
language.

/HK

.

"

Built-in E CO (ECONOMY, ECOLOGY) MODE.

In acco rd ance with the br ig ht ness in a room, th e brigh tn ess

an d/ or con tr as t of th e pict ure c an be ad jus te d autom at ic al l y to
make the op ti mu m pi ctu re which is eas y on th e ey e.

4

No. 52012

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SYSTEM BLOCK DIAGRAM

MICOM PWB

HV-29LP

IC 00 4

MEMORY

SDA 0
SCL 0

SDA 2
SCL 2

IC 00 1

MICRO COMPUTER

SDA 1
SCL 1

MAIN PWB

IC 70 1

BBE CONTROL

IC 10 1

MULTI SOUND

PROCESSOR

IC 30 1

DEF & RGB

PROCESSOR

TU0 01

TUNER

SYNC S EP P WB 10 0Hz P WB

IC 30 1

SYNC SEP PWB

AV SW PWB

IC 10 1

SW

TU0 01

TUNER

IC 10 1

VIDEO PROCESS

&

CODEC MAIN

IC 15 1

VIDEO PROCESS

&

CODEC SUB

IC 20 1

SAMPLE RATE

CONVERTER

IC 30 1

ENHANC E

No. 52012

5

HV-29LP

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FUNCTIONS

■■■■ Front Terminal & Control

1 HEADPHONE jack 7 SENSOR ( Re mo te C ontro l & EC O)
2

VIDEO-4 terminal

3 MENU/OK Button 9 ECO LAMP
4

CHANNEL - /+ (MENU UP/DOWN) Button

5

VOLUME -/+

6 TV/VIDEO / EXIT Button ( Inpu t s el ect)

(S- VIDEO / VIDEO / L/MON O / R) 8

(MENU LEFT/RIGHT)

Button

SPATIALIZER LAMP

A

POW ER LA MP

B

POWER SW Button

(MAI N P OWER on an d off )

■■■■ Re ar Termin al

1VIDEO-1 (INPUT) terminal (S, V , L , R)
2

VIDEO-2

3 VIDEO-3 (INPUT) terminal (V/Y, Cb, Cr, L, R)

/ COMPONENT

4OUTPUT (AUDI O/VIDEO ) terminal (V, L, R )
5

AV COMPULINK terminal

6

AERIAL socket

(INPUT

) term inal

(V, L , R)

6

No. 52012

Z

■■■■ Remote Control Unit

1

POWER Key

(SUB PO WER on and of f)

2

BASS Key

(SUPER B ASS function on or off)

3

SPATIAL IZ ER Key

(Choos e a m od e LIVE →MO NO →OFF)

4TV/VIDEO Key
5PICTURE MODE Key

(Choos e a m od e BRIG HT →STANDARD→ SOFT)

6

ZOOM Key

(Choose a mode REGULAR→ZOOM→16 :9)

7CHANNEL Key
8

-/- - Key

9

RETUR N + Key

AMULT I Key
B

VOLUME +/- Key

CCHANNEL +/- Key
D

MUTING Key

E

PIP MODE

FPIP Key
G

POSITION Key

HFREEZE Key

View t he MA IN pi ctu r e’ s f ro z en i ma ge as t he

SUB- PICTU RE.

I

SUB P (PIP)+&- Key

J

NEXT Key

KSWAP Key
L

STROBE Key

View t he MA IN-p ict ure as 1 5 c onsec utiv e
Still image.

MDISPLAY Key
N

STEREO Ⅰ/ⅡKey

: Stereo / : Mono

Ⅰ : Bilingual (subⅠ)
Ⅱ : Bilingual (subⅡ)

O

FUNCTION Key

(▲/▼& / )

PMENU/OK Key
Q

COLOUR Key

(Choos e the appropriate colour system.)

RCOLOUR SYSTEM Key

(Choos e the appropriate colour system.)

SSOUND SYSTEM Key

(Choos e the appropriate sound syst em.)

UTELETEXT Key

(W ith out H V- 29L PZ/HK)

HV-29LP

No. 52012

7

HV-29LP

Z

)

SPECIFIC SERVICE INSTRUCTIONS

DISASSEMBLY PROCEDURE

REMOVING THE REAR COVER

1. Unplug t he po we r c ord.

2. Remove the 16 screws marked !!!! as sh own in th e Fig. 1.

3. Withdr a w t he r ear co ver to wa rd you .

REMOVING THE AV TERMINAL BOARD

" After removing the rear cover.

1. Remove the 5 scr ew s m ar ked

2. Withdraw the AV terminal board toward you.

""""

as sh ow n in t he Fig . 1.

REMOVING THE CHASSIS

"

After removing the rear cover.

1. Sl ight l y r ai se th e bo th si de s of th e c hass i s by h and and re mo ve

th e 2 claws under th e b oth s id es of the chas sis from th e fr ont
cab inet .

2. Withdr a w t he chass is backw a rd .
(If necessary, take off the wire clamp, co nnectors etc.)

REMOVING THE DOME SPEAKER BOX / SPEAKER

" After removing the rear cover.

1. As s hown in Fi g. 1 , remo v e t he 2 screws mar ked
remove the dome speaker box.

2. Remove the 5 screws marked
remove the dome box.

3. Remove the 4 screws marked
remove the HONE RING.

4. Remove the 4 screws marked
remove the sp eake r.

5. Follow th e sa me step s when r em ov ing th e ot her h and d om e
speaker box / speaker.

NOTE : W hen r emovi ng the scr ews m arked

box, remove th e lo wer side sc rew fi rst , and then remo ve the

up per one .

$$$$

as sho wn i n th e F ig. 2, t he n

%%%%

as sho wn i n th e F ig. 2, t he n

&&&&

as sho wn i n th e F ig. 2, t he n

####

of th e dom e s p ea ker

####

, t hen

REMOVING THE TWEETER SPEAKER

" After removing the rear cover.

1. Remove the 7 screws marked '''' as s ho wn i n th e Fig. 2, t he n

remove the HONE PANEL.

2. The n rem o ve th e twe et er s p eak e r s crews to remo ve it.

CHECKIN G THE PW BOARD

To c h ec k the back s i de of th e PW B oard.

1) Pull out the chassis . (Refe r to RE MOV ING THE CHASSIS).

2) Erect the c hassis vertically so that you can easily check the
b ack side of the PW B oard.

[CAUTION]

"

When erecting the chassis, be careful so that there will be no

contacting with other PW Board.

"

Be fore tur n ing on po wer, ma ke sur e tha t the wire co nnecto r is

prop er l y con nected .

"

When co nduc ti ng a ch eck w i th p ower su ppli ed , b e sure to c onfirm

th at t he CRT E AR T H WI RE (B RAIDED AS S’Y) is co nne c ted t o

th e C R T SOC KE T PW b oard.

WIRE CLAMPIN G AND CABLE T Y ING

1. Be sure t o clamp th e wir e.

2. N ever remo ve th e cable ti e used f or tyi ng the w i re s to gether.

Sh oul d it be i n adv e rt ent l y rem ove d, b e su r e to tie th e wires w it h
a n ew c able tie.

DOME SPEAKER BOX

HORN

G

(×7)

HORN
PANEL

SP EAKER

(Tweete r

SP EAKER

HORN RI NG

F

(×4)

DOME BOX

E

(×4)

D

(×5)

8

Fig . 2

No.52012

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(×5)

(

)

FRONT CABINET

FRONT
C ONT RO L
PWB (1 /2 )

CRT
SOCKET

PWB

FRONT
C ONT RO L

PWB (2 /2 )

C ONT RO L
BASE

MICOM

PWB

10 0Hz

PWB

HV-29LP

DOME
SP EAKER BOX

C

POWER & DEF
PWB

CLAW

CHASSIS

AV
TERMINAL

DOME
SP EAKER BOX

C ONT RO L
BASE

C

BL K

CLAWMAIN PWB

AV SW PWB

PWB

B

POWER CORD

REAR COVER

A

×15

Fig . 1

No.52012

9

HV-29LP

Z

A

REMOVING THE CRT

∗

Replacem en t of th e CRT s ho ul d be p er for m ed b y 2 or mor e

p ers ons.

• After removing the cover, chassis etc.,

1. Pu tting th e CRT c han ge ta ble o n s of t cloth , th e C R T cha nge ta bl e
sh ould al so b e c over e d w i th s uch soft clot h (s ho wn i n Fig. 3) .

2. While kee pin g th e s urf ace of C RT down , m ount the TV s et on t he
CRT change table balanced will as shown in Fig.4.

3. R em ov e 4 sc rews mark e d by arro ws with a box ty p e scr e w dri ver
as s hown in Fig. 4.

• Si nc e th e cab i net will dr op whe n scr ews h av e be en remove d, b e

sure t o su pp ort t he cabinet with hands.

4. After 4 screws have been removed, put the cabinet slowly on
cloth (At th is time, be ca refully so as not to damage th e front

sur fac e of th e c abin et) s h ow n i n Fig. 5.

• The C RT sh ould b e ass embled accor di n g to th e o pposi te
sequence of its dismounting steps.

∗

The CRT change ta ble sh ou ld pr ef erab ly be smaller tha t th e C R T

sur fac e, and its h ei gh t be abo ut 35c m. (F ig.3 )

∗ Ab out CRT S pacer ( F ig .4 )

An appr o pria te CRT spa cer shou ld be us ed i n t he co rr es p on ding

CRT in acc ordan c e with the t yp e of t he CRT.
When a CRT i s r ep l ace d, sp ecial att enti o n s ho ul d be p aid to this

matter.

CRT CHANGE TABLE

PPROX.

35 cm

CLOTH

Fig. 3

COATING OF SILICON GREASE FOR ELECTRICAL
INSULAT ION ON THE CRT ANODE CAP SECTION.

•

Subse qu ent to re pl ace me nt of th e CR T an d HV tr an s for m er o r

repa ir of th e a no de ca p, etc. b y di smou nti n g the m, be su r e to
coa t si l ic on greas e f or elect ric a l insul at ion as sh own in Fig.6 .

Wipe a r oun d the anod e butt on wi th clea n and dry cl ot h. (Fi g.6 )
Coat sili con gr ea se on t he section arou nd the an od e b utt on. At

this tim e, take care so th at any silico n greases dose not stick to
the ano de button. ( Fig.7)

★★★★

Sil icon grease product No. KS - 650N

CRT

An od e butt on

Silic on gr eas e

coating

CABINET

Ap prox.
20mm (Do not
coat grease on
this section

An od e butt on
(No sti c king of
silicon grease)

Fig. 4

CRT

CRT
CHANGE TABLE

Fig. 5

Silic on gr eas e
sh ould be coa ted
b y 5mm or m or e

fr om th e outs id e
diame ter of
an od e c ap.

Coat in g posit io n
of sili co n g r ease

An od e cap

Fig. 6 Fig. 7

10

No. 52012

Z

REPLACEMENT OF MEMORY ICs

O

FUNCTION k

1. Memory ICs

This TV use memory ICs. In the memory ICs, there are memorized data
for correctly op er atin g th e video an d def l ection circ u its . Wh en r ep lac i ng

memory ICs, be s ure t o us e IC s wr itte n with the i ni tial values of da ta.

HV-29LP

2. Procedure for replacin g memory ICs

(1) Power off

Switch the p ow er of f and un plug th e pow er cor d f ro m t he wall outlet.

1. IF 2. V/C

3. AUDIO 4. DEF

5. VS M PRES ET 6. S TATUS

7. PI P 8. W B PR E SET

9. SHIPPING(OFF) 0. BUS FREE

SERVICE MEN U

(2) Repla ce ICs.

Be sure to use memory ICs written with the initial data values.

1-0 : SELECT DISP : EXIT

(3) Powe r on

Plug th e pow er c ord int o th e wall ou tlet and s witch the pow er on .

Fig.1

(4) Check and s et SY ST EM CO NSTA NT SET :

****

It must not adjust witho ut signal.

1) Press the D ISP LA Y ke y an d t he PICTU R E T U BE key of th e R EM OT E CON T RO L U N IT simultan eo usly .

2) The SERVICE MENU screen of Fig. 1 will be displayed.

3) W hi le th e SERVI CE M ENU i s d is play e d, p r ess t he D ISP LA Y k ey an d PI C T URE TU BE ke y sim ulta neo usly, an d t he S YSTE M
CONSTANT S ET scr een of Fig. 2 w i ll be di splay ed.

4) Check th e set ting valu es of the S YSTEM CONSTA NT SET of T ab l e 1 . If th e valu e i s d if fer ent, sel ect the se tti ng it em wi th the
FUNCTION UP/DOWN key, and set the correct value with the FUNCTION -/+ key.

5) Press the MENU(OK) key to memorize the setting value.

6) Press the INFORMATION key, and re turn to the no rmal scr e en.

SERVICE MENU KEY

SY STEM C ON STANT S ET

1. TEXT

**

K

+ : STORE DISP : EXIT

Fig.2

2. BLUE BACK ME NU

3. E.M.C

4. WHITE BACK

5. COLOUR AUTO

6. PICTURE TILT

**
**
**
**
**

(5) Sett ing of re ceive channe ls

Se t th e r ec eiv e ch anne l.
For setting , r ef er to the OPE RATING INS TRUCTIONS.

(6) Setting of SERVICE MENU

Ve rif y the set ting it ems of the SE R VICE MENU of Tabl e 2, and
reset whe re nec es sary.

For setting , r ef er to the SE RVIC E ADJUSTMENTS.

(7) User se tting s

Check th e us er s ett ing valu es o f T ab l e 3 , and if sett ing value is
diff erent , set th e c orrec t val u e.

For setting , r ef er to the OPE RATING INS TRUCTIONS.

ZO OM

(ASPECT)

key

SETTING IT EM

SELECT key

(Numbers key)

PICTURE

CONTENT S

key

PIP key

(UP/DOWN &

LEF T/RIGHT key)

MENU/OK key

MEMORY

(STO RE )

key

SERVICE
MENU/
&SYSTEM
CONSTANT
key

ey

No. 52012

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