Page 1
Z
SERVICE MANUAL
COLOUR TELEVISION
HV-29WZ
HV-29W
BASIC CHASSIS
MF
[RM-C1030]
HV-29W Z
HV-29W Z
HV-29W Z
HV-29W Z
/-A
/AU
/EE
[RM-C1031]
HV-29W Z
/HK
HV-29WZ
HV-29WZ
HV-29WZ
HV-29WZ
/HK
/-A
/AU
/EE
CONTENTS
! SPECIFICATIONS ････････････････････
!
SAFETY PRECAUT IONS
!
MAIN DIFFERENCE LIST
! FEATU RES･･････････････････････････
! FUNCTIONS ･････････････････････････
1
･･････････････････････････ 4
････････････････････････････････････････････････････
････････････････････ 2
････････････････････････････････････････
･･････････････
･･････････････
････････････････････････････
･･････････････
･･････････････
････････････････････････････
･････････････････････････ 6
･･････････････････････････････････････････････････
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
! SPECIFIC SERVICE INSTRUCTIONS････
3
4
!
SERVICE ADJUSTMENTS
!
PARTS LIST
★
OPERATING INSTRUCTIONS
★ STANDAR D CIRCUIT DIAGRAM ･･･････
･･･････････････････････
･･･････････････････････
･･････････････････････････････････････････････
････････････
････････････
････････････････････････
････ 8
････････
15
37
･･･････ 2- 1
･･････････････
No.520 19
Sep. 2002
Page 2
HV-29WZ
SPECIFICATIONS
Item Content
Dimensions ( W××××H××××D ) 81.2cm×58.4cm×51.8cm
Mass 46.0kg
TV RF System B/G, I, D/K, K1, M
Colour System PAL / SECAM / NTSC 3.58 / NTSC 4.43
Stereo System
Teletext System
VL
Receiving
Frequency
Intermediate
Frequency
Colour Sub Carrier
Frequency
Power Input
Power Consumption Max 215W / Avg. 153W
Aerial Input Term
Picture Tube 29”(68cm) measur ed diagonally
High Voltage 31.5kV (At zero beam current )
Audio Power Output 7W + 7W
Speaker
Input
Terminal
Output
Terminal
AV Compulink
Headphone jack
Remote Control Unit
VH
UHF
CATV
VIF 38.0MHz
SIF 32.5MHz(5.5MHz) / 32.0MHz(6.0MHz) / 3.15MHz(6.5MHz) / 33.5MHz (4.5MHz)
PAL 4.43MHz
SECAM 4.40625MHz / 4.25MHz
NTSC 3.58MHz / 4.43MHz
Video 1Vp-p 75Ω
Audio(L/R)
S / Video
Component Cb/Cr
Video
Audio(L/R)
A2 (B/G) / NICAM (B/G, I, D/K)
Fastext (UK system) **** [ **** Without TEXT mode : HV-29WZ
WST(world standard text)
46.25MH z ～ 168.25MHz
175.25MHz ～ 463.25MHz
471.25MHz ～ 863.25MHz
Mid (X～Z+2, S1～S10), Super (S11～S20) & Hyper (S21～S41)
AC 110V～240V , 50/60Hz
75Ωunbalanced, Coaxial
+1.0kV
-1.5kV
6.5cm×13cm Oval type×2
500Mv(rms) (-4dBs), High I mpedance
Y : 1V(p-p) Positive (Negative sync provided) 75Ω
C : 0.286V(p-p) (burst signal), 75Ω
Y : 1V(p-p), 75Ω
Cb : B-Y 0.7V(p- p), 75Ω / Cr : R-Y 0.7V(p-p), 75Ω
1V(p-p) 75Ω
500mV(r ms) (-4dBs), Low Impedance
Mono mini jack (φ3.5mm )
Stereo mini jack (φ3.5mm )
RM-C1030 (AA/R06 / UM-3 , Dry cell battery×2)
/-A
: HV-29WZ / HV-29WZ
RM-C1031 (AA/R06 / UM-3 , Dry cell battery×2) : HV-29WZ
/ HV-29WZ
/AU
& HV-29W Z
/HK ]
/EE
/HK
Design & specifications are subject to change without notice
2
No.52019
.
Page 3
Z
SAFETY PRECAUTIONS
HV- 29W
1. The design of th is prod uct con ta in s sp eci al har d ware , many
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 e l ectr ical an d mech ani c a l p ar ts i n th e pr od ucts 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 ide ntified 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 side ground and ISOLATED
(NE UTRAL) s ide 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 vol ta ge app lie d t o th e pi ctu r e tu be mu s 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 v o 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 b e t he e xact r ep l acem 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 a nd c onn ecti n g th e oth er end of
the lead through a 10kΩ 2W resi s to r to the an ode b utt on .
8. When service is r equ ire d, ob serve the or igina 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 pli anc 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 MET ER
(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.52019
3
Page 4
HV- 29WZ
MAIN DIFFERENCE LIST
!!!!
Part n ame
MICOM PWB SMF-0M706A SMF-0M707A SMF-0M708A SMF-0M706A SMF-0M709A
! PICTURE TUBE A68QCU25 7XV 9K A68QCU25 7XV 9S A68QCU25 7XV 9K
!
POWER CORD
! REAR COVER GG1 0192-0 05 B-H GG1 0192-0 06B -H GG1 0192 -005B -H GG1 01 92-0 06B- H GG1 0192-0 05A -H
!
INST BOOK LCT1200-001A-H LCT1201-001A-H LCT1200-001A-H LCT1202-001A-H
REMOTE CONTROL UNI T RM-C 1030- 1H RM-C 1031- 2H RM- C 10 30-1 H
! DIGEST MANUAL ××LCT1203-001A-H ××
! CONVER SI ON PLUG ××QAM 0 055- 001 ××
WARRANTY CARD ×××BT-56001-2 BT-54012-2
S CE NTER LI ST ×××BT-56002-2 ×
STICKER ×××GG4 0016-0 02A -H ×
TELETEXT
Model name
FA STEXT
WST
HV-29WZ HV-29WZ
QM P4 0D0- 20 0J5
or
QM P4 0D0- 20 0J3
○×○ ○○
QMPN05 0-20 0-E2
/HK
HV-29WZ
QMPR01 0-20 0-E2
QMPR01 0-20 0-K2
/-A
or
HV-29WZ
QM P2 980- 185J 5 QM P4 0D0- 20 0J5
/AU
HV-29WZ
/EE
FEATURES
"
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 text system).
**** Except HV-29WZ
"
Pu re F LA T CRT r epr od uce f in e t extu red.
" Digi Pur e 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 ECO ( ECON OMY, ECOLOG Y) 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. 52019
Page 5
Z
SYSTEM BLOCK DIAGRAM
CO
OCESSO
MICON PW B
HV- 29W
IC 00 4
MEMORY
MAIN PWB
IC 66 1
3D SU RROUND
/ VOL / TONE
IC 10 1
MULTI SOUND
PR
IC 00 1
MICRO COMPUTER
SDA 0
SCL 0
SDA 2
SCL 2
SDA 1
SCL 1
IC 30 1
DEF & RGB
PROCESSOR
TU0 01
R
TUNER
IC 10 1
SW
100Hz P WBAV SW PWB
IC 10 1
VIDEO PROCESS
&
CODEC
IC 20 1
SAMPLE RATE
NVERTER
IC 30 1
ENHANCE
No. 52019
5
Page 6
HV- 29WZ
FUNCTIONS
■■■■ Front Terminal & Control
1 HEADPHONE jack 7 Rem ote Con t ro l SEN SOR
2
VID EO- 4 term i nal (S- VID EO / V I DE O / L/MO NO / R)
3
MENU/O K Button
4
CHANNEL -/+ (MENU UP/DOWN) Button
5
VO LUME -/+ (MENU LEFT/RIGHT) Button
6
TV/VIDEO / EXIT Button
8
ECO SENSOR
9
CINEMA SUR RO UN D L AMP
A
ECO LAMP
B
POW E R L A M P
C
POWER SW Button
■■■■ Re ar Termin al
1
VIDEO-1 (IN PUT) terminal (S, V, L, R)
2
VIDEO-2 (IN PUT) terminal (V, L, R)
3
VI DEO-3 (IN PUT ) terminal (V/Y, Cb, Cr, L, R)
/ COMPONENT
4 OUTPUT (AUDIO/VIDEO) terminal (V, L, R)
5
AV CO MPULI NK ter m i nal
6
AERIAL socket
6
No. 52019
Page 7
Z
■■■■ Remote Control Unit
RM-C1030 : HV-29WZ, HV-29WZ/-A, HV-29WZ/AU, HV-29WZ/EE
2
5
6
7
9
10
11
12
16
17
1
3
4
8
13
14
15
18
19
20
1
POWER Key
2
MUTI N G Key
3
ZOO M Key
4 CIN EMA SUR ROU ND Key
5
COLOUR SYSTEM Key
6
SOUND SYSTEM Key
7
DISPLAY Key
8 MENU / OK Key
9
FUNC TI ON Key ( ▲/▼ & / Key )
A
STEREO Ⅰ/ⅡKey
: Stereo / : M ono
Ⅰ
: Bilingual (subⅠ)
Ⅱ
: Bilingual (subⅡ)
B TV/VIDEO Key
C PI CTUR E MO DE Key
D
TV/TEXT Key
E
CHANNEL Key
F
-/-- Key
G
RET URN + Key
H
CHANNEL +/- Key
I VOLUME +/- Key
J
CO LO UR K ey
K
TELETEXT Key
HV- 29W
RM-C1031 : HV-29WZ/HK
2
5
6
7
9
10
11
12
16
17
14
15
18
19
1
POWER Key
2
MUTI N G Key
1
3
4
8
3
ZOO M Key
4
CIN EMA SUR ROU ND K ey
5
COLOUR SYSTEM Key
6 SOUND SYSTEM Key
7 DISPLAY Key
8
MENU / OK Key
9
FUNC TI ON Key ( ▲/▼ & / Key )
A
STEREO Ⅰ/ⅡKey
: Stereo / : M ono
Ⅰ
: Bilingual (subⅠ)
Ⅱ : Bilingual (subⅡ)
B
TV/VIDEO Key
C
PI CTUR E MO DE Key
E
CHANNEL Key
F -/-- Key
G
RET URN + Key
H
CHANNEL +/- Key
I
VOLUME +/- Key
J CO LO UR K ey
No. 52019
7
Page 8
HV- 29WZ
S
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. Slight l y r aise 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 SPEAKER
" After removing the rear cover.
1. Remove the 2 scr ew s m ar k ed
sh own i n F ig. 1.
NOTE : When removing the screws marked
remove t he lo w er side sc r ew fi r s t, an d t hen remove th e
up per one .
2. Remove th e claw m ar ked $$$$ pu sh t he SP hold er as s hown i n
Fig. 2.
3. Fol l ow th e s am e st eps wh en rem oving the oth er spe aker.
####
, a nd rem ove th e SP hold er a s
####
of t he SP holde r,
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 MOVING THE CHAS SIS ).
2) Erect the chassis vertically so that you c an easily check the
b ack side of the PW B oard.
[CAUTION]
"
When erecting the chassis, be careful s o tha t 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 ndu cting 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 wire.
2. Never rem o v e th e cable ti e use d f or tyi ng the wi re s to gethe r.
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.
8
SP HOLDER
SP HOLDER
SP EAKE R
CLAW
P EAKE R
CLAW
D
SP HOLDER
[SIDE VIEW]
Fig . 2
No.52019
Page 9
HV- 29W
Z
(×5)
FRONT CABINET
C
SP EAKER
FRONT
C ONT RO L
PWB (R )
C ONT RO L
BASE
CRT SOCKET
PWB
C ONT RO L
BASE
CLAW
FRONT CONTROL
PWB (L)
MAIN PWB
AV SW PW B
See Fig. 2
MICOM PWB
CLAW
BLK PW B
10 0Hz PWB
C
SP EAKER
POWER & DEF.
PWB
CHASSIS
AV
TERMINAL
BOARD
Fig . 1
B
POWER CORD
REAR COVER
A
(×16)
No.52019
9
Page 10
HV- 29WZ
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 the CR T chan ge tabl e o n sof t c l oth , th e CRT c ha nge ta ble
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. W hi l e 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 c ab 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 c han ge table s h ou ld pref erab l y 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 p acer (Fig .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
INSULATION 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 rica l insul at ion as shown in Fi g.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. 52019
Page 11
Z
REPLACEMENT OF MEMORY ICs
1. Memory ICs
This TV use memory ICs. In the memory ICs, there are memorized data
for correctly operating the video and deflection circuits. When replacing
memory ICs, be sure to use ICs written with the initial values of data.
HV-29W
2. Procedure for replacing memory ICs
(1) Power off
Switch the power off and unplug the power cord from the wall outlet.
(2) Replace IC s.
Be sure to use memory ICs written with the initial data values.
1. IF 2. V/C
3. AUDIO 4. DEF
5. VSM PRESET 6. STATUS
7. WB PRESET 8. SHIPPING(OFF)
9. BUS FREE
1-9 : SELECT DISP : EXIT
SERVICE MENU
(3) Power on
Plug the power cord into the wall outlet and switch the power on.
Fig.1
(4) Check and set SYSTEM CONSTANT SET:
****
It must not adjust without signal.
1) Press the DISPLAY key and the PICTURE MODE key of the REMOTE CONTROL UNIT simultaneously.
2) The SERVICE MENU screen of Fig. 1 will be displayed.
3) While the SERVICE MENU is displayed, press the DISPLAY key and PICTURE TUBE key simultaneously, and the S YSTEM
CONSTANT SET screen of Fig. 2 will be displayed.
4) Check the setting values of the SYSTEM CONSTANT SET of Table 1. If the value is different, select the setting item with the
FUNCTION ▲/▼ key, and set the correct value with the FUNCTION / key.
5) Press the MENU(OK) key to memorize the s etting value.
6) Press the IN FORMATION key, and retur n to the normal screen.
SYSTEM CONSTANT SET
1. TEXT **
SERVICE MENU KEY
OK
+ : STORE DISP : EXIT
Fig.2
2. BLUE BACK MUTE
3. E.M.C
4. WHITE BACK
5. COLOUR AUTO
6. PICTURE T ILT
**
**
**
**
**
(5) Setting of receive channels
Set the r eceive channel.
For setting, refer to the OPERATING INSTRUCTIONS.
(6) Setting of SERVICE MENU
Verify the setting items of the SERVICE MENU of Table 2, and
reset where necessary.
For setting, refer to the SERVIC E ADJUSTMENTS.
(7) User settings
Check the user setting values of Table 3, and if setting value is
different , set the correct value.
For setting, refer to the OPERATING INSTRUCTIONS.
SERVICE
MENU /
& SYSTEM
CONSTANT
key
ZOOM
(ASPECT )
key
FUNCTION key
(▲/▼ & / key)
MENU / OK key
MEMORY
(STORE) key
SETTING ITEM
SELECT key
(Numbers key)
No. 52019
11
Page 12
HV-29WZ
SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1)
MODEL No.
Setting item
1. TEXT YES NO YES YE S YES
HV-29WZ HV-29WZ
/HK
HV-29WZ
/-A
HV-29WZ
/AU
HV-29WZ
/EE
2. BLUE BACK MUTE NO
3. E. M. C
4. WHITE BACK
5. COLOUR AUTO
6. PICTURE TILT YES YES
↑↑
↑↑↑↑↑
↑↑
↑↑
NO
YES
↑
NO NO
↑↑
↑↑
YES YE S
SERVICE MENU SETTING ITEMS (TABLE 2)
Setting item Setting value Setting item Setting value
1. IF 1. VCO 4. DEF 1. V-SHIFT
2. V-SIZE
3. H-CENT
4. H-SIZE
2. V / C 1. RGB BLK
2. WDR R
3. WDR G
4. WDR B
5. BRIGHT
6. CONTRAST
7. COLOUR
8. TINT
9. SHARP
10. VCO ADJ.
11. VID AGC
12. SYC SLI
3. AUDIO
(Do not adjust)
1. ERR LIMIT
2. A2 ID THR
3. SYSTEM
4. AI VOLUME
5. SUB TREBLE
6. SUB BASS
5. VSM PRESET
BRIGHT
STANDARD
SOFT
6. STATUS
(Do not adjust)
5. TRAPEZ
6. EW-PIN
7. COR-PIN
8. COR-UP
9. COR-LO
10. ANGLE
11. BOW
12. V-S.CR
13. V-LIN
14. V BLK-UP
1. CONT
2. BRIGHT
3. SHARP
4. COLOUR
5. TINT
1. SOFT
2. TELETEXT
3. ASPECT
12
7. WB PRESET 1. WDR R
2. WDR G
3. WDR B
No. 52019
Page 13
Z
USER SETTING VALUES (TABLE 3)
Setting item Setting value Setting item Setting value
MAIN POWER SW OFF SUB POWER ON
SHIPPING CHANNEL PR1 DISPLAY INDICATED
PRESET CHANNEL
PICT URE SET TING INST ALL
PICTURE MODE BRIGHT LANGUAGE ENGLISH
CONTRAST CENTER EDIT PRESET CHANNEL ONLY
BRIGHT CENTER OTHER : NON (SPACE)
See ; OPERATING
INSTRUCTIONS.
VOLUME LEVEL 10
HV-29W
SHARP CENTER AUTO PROGRAM ! GROUP-1
COLOUR CENTER TELETEXT LANGUAGE ! GROUP-2
WHITE BALANCE COOL ! GROUP-3
AI ECO SENSOR DISPLAY OFF ! GROUP-4
(HV-29WZ / HV-29WZ
(Unused)
(HV-29W Z
(HV-29W Z/-A)
/EE
PICT URE FEATURES FEAT URE S
DIGITAL VNR AUTO SLEEP TIMER OFF
DIGIPURE AUTO BLUE BACK ON
COLOUR SYSTEM ! TV : Depends on PR/CH AUTO SHUT OFF OFF
! EXT : AUTO
VIDEO-3 SETTING COMPONENT
ZOOM REGULAR – ZOOM – 16:9 CHILD LOCK OFF (for all the channels)
PICTURE TILT CENTER CHANNEL GUARD ALL CH : OFF
SOUND
BASS
TREBLE
BALANCE
CENTER
CENTER
CENTER
AI VOLUME ON
CINEMA SURROUND OFF
/AU
)
)
No. 52019
13
Page 14
HV-29WZ
REPLACEMENT OF CHIP COMPONENT
CAUTIONS
"
1. Avoid heating f or more than 3 seconds.
2. Do not rub the electr odes and the r esist parts of the pattern.
3. When removing a chip part, melt the s older adequately.
4. D o not reuse a chip part after removing it.
SOLDERING IRON
"
1. Use a high insulation soldering iron with a thin pointed end of it.
2. A 30w soldering iron is recommended for easily removing parts.
REPLACEMENT STEPS
"
1.
How to remove Chip parts
#### Resistors, capacitors, etc
(1) As shown in the figur e, push the part with tweezers and
alternately melt the solder at each end.
(2) Shift with tweezers and remove the chip part.
#### Transistors, diodes, vari able resistors, etc
(1) Apply extra solder to each lead.
2. How to install Chip parts
#### Resistors, capacitors, etc
(1) Apply solder to the pattern as indicated in the figur e.
(2) Grasp the chip part with tweezers and place it on the solder.
Then heat and melt the solder at both ends of the chip part.
#### Transistors, diodes, vari able resistors, etc
(1) Apply solder to the pattern as indicated in the figur e.
(2) Grasp the chip part with tweezers and place it on the solder.
(3) First solder lead
as indicated in the figure.
A
SOLDER
(2) As shown in the figur e, push the part with tweezers and
alternately melt t he solder at each lead. Shift and remove the
chip part.
Note : After removing the part, remove remaining solder from the
pattern.
SOLDER
14
No.52019
A
(4) Then solder leads
A
C
and C.
B
C
B
B
Page 15
Z
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 ways of adjusting this TV: One is with th e
REMOTE CONTROL UNIT and the other is the conventional
method using adjustment parts and components.
2. The setting (adjustment) using the REM OTE CONTROL
UNIT is made on the basi s of the initial setting values. The
setting values which adjust the screen to the optimum
condition can be different from the initial setting values.
3. Make sure that connection is correctly made to AC power
source.
4. Turn on the power of the TV and measuring instrument f or
warming up for at least 30 minutes before starting adjustment.
5. If the receive or input signal is not specified, use the most
appropriate signal for adjustment.
6. Never touch parts (such as variable resistors, transformers and
condensers) not shown in the adjustment items of this
service adjustment.
7. Preparation for adjustment (presetting):
Unless otherwis e specif ied in the adjustment items , preset the
following functions with the REMOTE CONTROL UNIT:
! Setting position
PICTURE MODE (VSM) STANDARD
SLEEP TIMER OFF
BALANCE CENTER
ECO OFF
ZOOM REGULAR
HV-29W
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Signal generator (Pattern generator) [PAL / SECAM / NTSC]
4. Remote control unit
ADJUSTMENT ITEMS
●
Checking items.
Check of B1 Power Supply Adjustment of V-SHIFT
Check of High Voltage Adjustment of V-SIZE
Check of VCO Adjustment of H-CENTER
●
Adjustment of FOCUS &SCREEN. Adjustment of H.SIZE
Adjustment of FOCUS Adjustment of EW-PIN
Adjustment of SCREEN VR Adjustment of TRAPEZ
●
VSM preset setting. Adjustment of CORNER UP/LOW
●
VIDEO / CHROMA circuit adjustment. Adjustment of ANGLE
Adjustment of W HITE BALANCE (High-Light) Adjustment of BOW
Adjustment of SUB BRIGHT Adjustment of V-S.CR & V.LIN.
Adjustment of SUB CONTRAST.
Adjustment of SUB COLOURⅠ
Adjustment of SUB COLOURⅡ
Adjustment of SUB TINT
Adjustment of SUB TINTⅡ
Adjustment of VCO for colour decoder
●
DEFLECTION circuit adjustment.
●
AUDIO circuit adjustment. (Do not adjust)
No. 52019
15
Page 16
HV- 29WZ
G
5p
5
)
)
J
S
C9 0
CDS
3
SC
(
)
CN013
J
ADJUSTMENT LOCATIONS
FRONT CONTROL PWB (R
PO WER SW
FRONT
Power cord
FRONT
AV S W PW B
PO WER
F901
PW
S
T V/V IDE O E X IT
VO L U P
VO L D OW N
3 D- PHO NI C
ECO
W
1
LF901
CN 002
MAIN PWB POWER&DEF PWB
CN 002
CN 00Y
R
MIC ON P W B
CN 007
100Hz PWB
W DE
CN 004
CN 005
FRONT CONTROL PWB (L
IN
F
To AV SW PWB
CH U P
MENU / OK
CH D OW N
R4 L 4 V4
IN ( VID E O- 4 )
HEA D
PHONE
FRONT
FRONT
FRONT
F
F. CONT.(L) PW B
YHC
(VR 2)
CN 0 01
TUNER
CRT
XV COIL
YV
(VR 1 )
S
IN
ANT -I N
CN 003
BLK PWB
CN 013
CRT SOCKET
PWB
C1
TP-E
SOLDER S IDE
CN 006
TP-Y
TP-47B
CN 014
CN 014
VM
VM
HV
TOP
HVT
FO CUS 2 V R
FO CUS 1 VR
X
R EEN VR
1
1 pi n :B 1( T P - 9 1)
2pin:N C
3 pi n :X -R A Y
4 pi n :X -R A Y
in:GND
16
No. 52019
Page 17
HV- 29W
Z
BASIC OPERATION SERVICE MENU
1. TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
2. SE RVICE M ENU ITEMS
With the SERVI CE M ENU , var i ou s sett ings ( ad ju stm en ts) c an b e m ade , a nd th ey a re b r oad ly c lass if i ed i n th e f ol l owing ite ms of set tings
(adjus tments ):
(1) 1. IF ･･･････ ･････････････ ･･････････ This mode adjust s the se tting valu es o f th e IF circui t.
(2) 2.V /C ････････････････････ ･･････････ This mode adjust s the se tti ng valu es o f th e VIDEO / CHROMA circu it.
(3) 3.AUDIO ･･･････ ･････････････ ･･････ This m od e adj ust s th e se tting valu es o f the SOUND c ircui t . (D o n ot ad ju st)
(4) 4. DEF ･･･････ ･････････････ ･････････ This mo de adjus t s th e se tti ng valu es of th e DEFLEC T ION ci rc uit for eac h asp ect mod e gi ve n
below.
ZOOM ( A SPECT) V. FRE Q.
REGULAR 100Hzi / 60Hzp
ZOOM ↑
16 : 9 ↑
(5) 5.VSM PRESET ･･･････ ･････････････ Thi s m od e adjust s th e in iti a l s ett in g va l ues of Br i gh t, S tan da rd & Soft .
(VSM : Video Status Memory)
(6) 6.S T AT US ･･･････ ･････････････ ･････ It is no r equ ire me nt t o adjus tme nt.
(7) 7.WB PRES ET ･･･････ ･････････････ ･Thi s mod e adj us t s th e se tting valu es o f th e W H IT E B ALANCE.
(8) 8.SHIPPI NG (OFF ) ･･･････ ･･･････････ This m od e adj ust s th e setti ng valu es o f th e ch an ne l p resetti n gs.
If you turn the SHIP PING posi tion set ON.
Thi s se tting be c om es c hann el pres etting a uto ma ti cally.
Also you tur n th e TV powe r off, this s etting beco me OFF position automatically.
(9) 9.BUS FREE ･･･････ ････････････････ It i s not requ i re me nt to adju stm ent .
No. 52019
17
Page 18
HV- 29WZ
FUNCTION k
MEMORY
(
)
(
)
3. BASIC OPERATION OF SERVICE MENU
(1) Ho w to enter SERVICE MENU
Press th e PI CTUR E MODE k e y and the DISP LA Y key of the
REMO TE CONTROL UNIT simultaneous ly, and the SERVICE
MENU screen of Fig. 1 will be displayed.
(2) Selection of SUB MENU SCREEN
Press one of keys 1
select th e SERVICE MENU SCREEN (See Fig. 3), form the
SERVICE MENU.
SERVICE MENU
～
9 of the REMOTE CONTROL UNIT and
→
SUB ME NU
1. IF
2. V / C
3. AUDIO
4. DE F
Do not adj.
5. VSM PRESE T
6. ST ATU S
Do not adj.
7. WB PRESET
8. SHIPPING ( OFF)
9. BUS FREE
SE RVICE MENU
SERVI CE MENU
1. IF 2. V/C
3. AUDIO 4. DEF
5. VS M PRES ET 6. ST ATU S
7. W B PRESE T 8 . SH I PP ING( OFF)
9. BU S FR EE
1-9 : SELECT DISP : EXIT
Fig.1
SERVICE MENU KEY
SERVICE
MENU /
& SYSTEM
CONSTANT
key
ZO OM
(ASPECT)
key
ey
(▲/▼ & / key)
MENU / OK key
(STO RE ) key
SETTING IT EM
SELECT key
(Numbers key)
Fig.2
18
No. 52019
Page 19
Z
SERVICE MENU SCREEN
O
O
O
O
O
O
SUB MENU
SERVICE MENU
SERVICE MENU
1. I F 2. V /C
3. AUDIO 4. DEF
5. VSM PRESET 6. STATUS
7. W B P R ES ET 8 . SHI PP I N G( O F F)
9.BUS FREE
1-9 : SELECT DISP : EXIT
HV- 29W
1. V-S HIFT
2. V-S IZE
3 . H -CE NT
4. H-SIZE
5. TRAPEZ
6. EW-PIN
7. COR-PIN
8. COR-UP
9. COR-LO
10. ANGLE
11. BOW
12. V-S .CR
13. V-LIN
14. V BLK-UP
BRIGHT
STANDARD
SOFT
1. CONT
2. B RIGHT
3. SHARP
4. COLOUR
5. TINT
1. SOFT
2. TELETEXT
3. A SPECT
4. DEF
DEF REGULAR ***
1. V -SHI FT
- / + : STORE DISP : EXIT
K
***Hz
******
*** *
(
*** *
5. VSM PRESET
VSM PRESET ST D
1.CONT
- / + : STORE DISP : EXIT
K
***
6. STATUS (Do not adju st)
STATUS
1.SO FT
1. S OFT
1. IF (CW)
IF SE RVI CE MENU
1. V CO
)
1-2 : SELECT DISP : EXIT
VCO (CW) ***
***....**
**MHz
*** ***
****
TO O HIGH
ABO VE REF
JUST REF
BELOW REF
TO O LOW
DISP : EXIT
2. V/C
V/C
PAL
1. R GB. B LK
- / + : STORE DISP : EXIT
K
********
****
1. RGB BLK
2. WDR R
3. WDR G
4. WDR B
5. BRIGHT
6. CONTRAS T
7. COLOUR
8. TINT
9. SHARP
10. VCO ADJ.
11. VID AGC
12. SYC SLI
- / + : STORE DISP : EXIT
K
3. AUDIO (D o not adjust )
AUDIO
1. ERR L IMIT
ERROR _ RATE =
***
********
1. ERR LIMIT
2. A 2 ID THR
3. SY STEM
4. AI VOLUM E
5. SUB TREB LE
6. SUB BASS
7. WB PRESET
- / + : STORE DISP : EXIT
K
1. WDR R
2. WDR G
3. WDR B
WB PRESET
1. W DR R
- / + : STO RE DISP : EXIT
K
***
***
******
**
Fig. 3
No. 52019
19
Page 20
HV- 29WZ
(3) Method of Setting
" Meth od of Set ting 1. IF
[VCO] ････････････････････ ･･･････ * It mu st n ot adju st without sig nal
① 1 K ey･･･････ ･････････････ ･････ Se lect 1 .IF.
② 1 K ey ･･･････ ･････････････ ････ Se lect 1 . VCO ( CW)
Check th e ar r ow p os i ti on betw ee n the ABO VE RE F. an d B ELOW R EF .
③
DISPLAY(DISP) Key
"
Meth od of s ett in g 2.V/C, 4.DEF, 5 .VSM PR E SET , a n d 7.WB PR ES ET.
① 2, 4, 5, 7 Key ･･･････ ･･･････････ Select one from 2. V/C , 4. DE F, 5 . V SM PRESE T, 7. WB PRE SET.
② FUNCTION ▲/▼ Key･･････････ Se lect s etting items.
③ FUNCTION / Key･･･････ ･･･ Set (ad just) th e se tti ng valu es o f th e setting it ems.
④ MENU (OK) Key ･･･････････････ M emor ize the s ettin g va l ue.
⑤ D ISPL A Y (DI SP) K ey ･･･････････ Return t o th e SE RVICE MENU scr ee n.
" 3. AUDIO, 6. STATUS, 8. SHIPPING(OFF) & 9. BUS FREE.
･･･････ ･････
Retu rn t o the SERVICE MENU screen.
(Bef ore st orin g t he s ett in g valu es in me mo r y, do no t pres s t he CH, TV , P OW ER ON / OFF key if you do, the values wi ll not be sto red in mem ory.)
It is not r equ i re me nt to adj u s tm ent .
(4) R ele ase o f SER V ICE M ENU
1) Af ter completi ng th e se tting , ret urn t o t he SERVIC E MENU, then agai n p ress th e D ISP LA Y (DI SP) ke y.
20
No. 52019
Page 21
Z
ADJUSTMENT
CHECK ING ITEM
Item
Check of B1
Power Supply
Measuring
instrume nt
Signal
Generator
DC vo ltmeter
Remote
Control unit
Test point Adjustment part Description
TP-91(B1)
TP-E(#### )
[X connector
on POWER
DE F PW B ]
1. RGB BLK 1. R eceive any br o adc ast.
2. Pr ess the ZOOM key and s e l ect t he F UL L mo de .
3. Se lect 2. V/ C from th e SERVICE MENU.
4. Selec t 1 . R GB BLK w ith f un ction ▲/▼ key.
5. Press the functio n k ey t o f ind the cu t of f screen (Black
screen).
6. Con nect a DC voltmet er t o TP- 9 1(B 1) a nd TP-E( #).
7. M ake sure t hat th e volt age is D C 13 9.9 ±2.0V.
8. Press the fu nctio n ke y to return to s er vic e menu.
HV- 29W
Check of High
Volt age
Signal
Generator
DC volunteer
Remote
Control unit
Check o f VC O Remo t e
control unit
IF SERVICE MENU
1. VCO
1-2 : SELECT
CRT anode
Chassis GND
DI SP : EXI T
1. RGB BLK 1. R eceive any br o adc ast.
2. Pr ess the ZOOM key and s e l ect t he F UL L mo de .
3. Se lect 2. V/ C from th e SERVICE MENU.
4. Selec t 1 . R GB BLK w ith f un ction ▲/▼ key.
5. Press the functio n k ey t o f ind the cu t of f screen (Black
screen).
6. Connect a DC voltmeter t o CRT ANODE and chassis GND.
7. M ake sure t hat th e volt age is D C 3 1.5 kV .
8. Press the fu nctio n ke y to return to s er vic e menu.
* Rem ove th e p robe bef or e re mo v i ng th e e ar th c lip .
1. VC O
2. AT T ON/OFF
"
Under n orm a l c onditions, no ad just ment is r e quir ed .
" Conf irm at ion a dj ust me nt.
1. Se lect 1.IF f rom the SERV ICE MENU.
2. Then se l ect 1 .VCO from th e IF S ERVICE MENU.
3. Recei ve an y br o adc ast.
4. C heck th e ar r ow ( ) p osition b et ween th e AB OVE R EF . a nd
BE LOW REF.
5. Press the MENU (OK) key and receive any broadcast with PIP
Button .
+1kV
-1.5kV
VCO(CW)
TOO HIGH
ABOVE REF
JUST REF
BELOW REF
TOO LOW
***, **
DISP : EXIT
MHz
No. 52019
21
Page 22
HV- 29WZ
ADJUS TMENT OF FOCUS & SCREEN
Item
Ad justment of
FOCUS
Measuring
instrume nt
Signal
generator
Test point Adjustment part Description
HVT
FOCUS 2 VR
FOCUS 1 VR
SCREEN VR
FOCUS 1 VR(In HVT)
FOCUS 2 VR(In HVT)
1. Recei v e a c r oss -h atc h sign al.
2. Pr ess the ZOOM key and s e l ect t he re gul ar m ode .
3. By t urning th e FOCUS 1 VR , a dj ust th e t o m ak e th e v er ti cal
lines as fine and sharp as possible.
4. By turnin g th e FOCUS 1 VR , ad just the pi ctur e so th at th e 5t h
ver tic al l ine fr om le ft si d e of the cr oss-ha tch p ict ur e b eco me s
thin nes t.
5. By t ur ning th e FOC US 2 VR, adjus t th e 3 rd h ori zo nt al l in e fr om
th e up per s i de ma y bec ome u ni for m at th e l i ne c ent er an d i ts
periphery.
6. Car r y out ad justmen t b y rep eat in g the ste ps 3 , 4 an d 5 abou t.
7. Make su re th at th e scr een is d ar k e ne d, th e lin es rem ain i n
g ood focu s.
Ad justment of
SCREEN VR
12345
Signal
generator
V/C
1. RG B _ BLK
PAL
FOCUS 1 VRFOCUS 2 VR
1
2
3
SCREEN VR
(In HVT)
1. R eceive a whol e bl ac k signa l.
2. Pr ess the ZOOM key an d se lect t he regu lar mode .
3. Select 2 . V/ C from th e S ERVICE MENU.
4. Rota te th e SCR EEN VR (I n HV T) cl ock wise( from 1→0→1)
from the full counterclockwise sl owly and stop it at th e p oint
where “CLOW ” s tatu s (mar ked in Fig .) ch ang es fr o m 1 to
0 (whic h is i nd ic ated at the 3 rd co lumn from th e ri g ht.).
00
* “C LOW ” : c ontro l loo pou t of w i nd ow.
22
- / + : STORE DISP : EXIT
OK
1
0 0 0 0 0 1 0 0
SERVICE M ODE SCREEN
CLOW
status
No. 52019
Page 23
Z
VSM PR ESET S ETTI NG
Item
Setting of
VS M PRESET
Measuring
instrume nt
Remote
control unit
Setting item
Test point Adjustment part Description
1. CONT.
2. BR I G HT
3. SHARP
4. COLOUR
5. TIN T
VS M pr ese t mod e
BRIGHT STANDARD SOFT
1. Se lect 5 .VSM P R ESET fr om th e S ERVICE ME NU.
2. Select STD with the PICTURE MODE key of the remote control
un it.
3. Ad ju s t t he fu ncti o n ▲/▼ an d / key to b rin g t he set v alues
of 1. CONT ～ 5 . TINT t o th e va lues sho wn in t he tab le.
4. Press the ME NU/OK key and memorize the set value.
5. Respectively se lect the VSM PRESET mode for REGULAR
an d BR IGH T, and make simi l ar ad j us tm e nt as i n 3 abo ve.
6. Press the ME NU/OK key and memorize the set value.
∗
Refe r to OPERATING INSTR UCTIO NS f or th e PICTURE
MO DE .
HV- 29W
1. CONT.
2. BRIG HT -2 0 -2
3. SHARP +5 +2 -10
4. COLOUR
5. T I NT 00 0
SE TTING VA LUES OF VSM PRE SET
+1 6 + 2 0
+5 0 -2
No. 52019
23
Page 24
HV- 29WZ
VIDEO/CHROMA CIRCUIT ADJUSTMENT
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values.
The setting values which adjust the scr een to the optimum condition can be different from the initial setting values.
" marked ＊ :D o not adj ust
Colour system
Setting item PA L SE C AM NT S C
1.RGB BLK 7.COLOUR
2.WDR R 000 8.TI NT 00 0
3.WDR G
4.WDR B
5. BR IG HT
6.CONTRAST
Item
of WHITE
BALANCE
(Hi gh-Light)
Measuring
instrume nt
Signal
generator
Remote
control unit
＊
Initial setting value Initial setting value
Setting item
00 0
-010
00 0
00 0
Test point Adjustment part Description
2.WDR R
3.WDR G
9.S HARP
10 .V C O AD J US T M E NT
11.VI D AGC
12.SY C SLI
" Set th e P ICTURE MODE to COOL.Ad j ust men t
1. Recei ve a bl ack a nd w hi te sign al ( colou r off ).
2. Se lect 2. V/ C from th e SERVICE MENU.
3. M odi f y 2. W DR R and 3. WDR G d ata to ad just t he white
4. Press the ME NU/OK key and memorize the set value.
5. Change the c ontras t a nd bri gh tnes s wit h th e r em ote co ntr ol up
Colour system
PA L S E CAM NT SC
00 0 00 0 00 0
＊
+007
Autom at ic ally optimized
aft er a dj ust me nt
＊
00 0
＊
+007
balance ( high light ).
& d ow n from low–light to hi gh –l i ght and c h ec k tha t the tr acki ng
of th e white ba lanc e is g ood .
Ad j ust men t
of
SUB BRIGHT
Ad j ust men t
Of S UB
CONTRAST.
24
Remote
control unit
Remote
control unit
5.BRIGHT 1. Recei ve an y bro adc ast.
2. Sele ct 2 .V/C f rom the SE RVICE MENU .
3. Se lect 5.BRIG HT with th e fu ncti o n ▲/▼ key.
4. Se t th e initial sett ing value w ith the function / key.
5. If th e b ri gh tn ess is no t th e best wi th th e initial se tti ng va l ue ,
make fine adjustment until you get the best brightness.
6. Press the ME NU/OK key and memorize the set value.
6.CONTRAST 1. Recei ve an y br o adc ast.
2. Sele ct 2 .V/C f rom the SE RVICE MENU .
3. Se le ct 6.C ON T R AST with t he func ti o n ▲/▼ key.
4. Se t th e initial sett ing value w ith the function / key.
5. If the con trast is n ot the be st with the initi al se tting va lue, ma k e
fine adjustment until you get the best contrast.
6. Press the ME NU/OK key and memorize the set value.
No. 52019
Page 25
HV- 29W
Z
SETTING ITEM
Item
Ad j ust men t
of SUB
COLOURⅠⅠⅠⅠ
Measuring
instrume nt
Remote
control unit
Test point Adjustment part Description
7.COLOUR
[Method of adjustm ent without measuring instrument]
(PAL/SE C AM/NT SC)
(PAL COLOU R)PAL COLOUR
1. Recei v e PA L broad cast.
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Se lect 7.COLO UR with th e fu nction ▲/▼ key.
4. Set the initial setting value for PAL COLOUR with the function
/ key.
5. If the co lour is n ot the b est with the initial se t val ue, mak e fine
adjustment until you get the best colour.
6. Press the MENU/OK key and memorize the set value.
(SECAM C OLO UR)SECAM COLOUR
1. Recei v e a SECAM b roadc ast.
2. M ak e fi ne ad justmen t of SEC A M COL OUR in th e sam e
mann er as fo r abo v e.
NTSC COLO UR
(NTSC 3.58 COLOUR)
1. Inp ut a NTSC 3.5 8 MHz C OMPOSITE VI DEO signal from th e
EXT t erminal .
2. Make si milar f ine ad just ment of NT SC 3 .58 CO LOUR i n t he
sam e mann er as f or a bo ve .
SERVICE
MENU /
& SYSTEM
CONSTANT
key
SERVICE MENU KEY
(NTSC 4.43 COLOUR)
1. Receive a NTSC 4.43MHz COMPOSITE VIDEO signal from
the EXT te rminal.
2. Make si m ila r fi n e ad jus tm en t of 4. 43 CO LOU R i n th e sam e
mann er as fo r abo v e.
ZO OM
(ASPECT)
key
FUNCTION ke y
(▲/▼ & / key)
MENU / OK key
MEMORY
(STO RE ) key
SELECT key
(Numbers key)
No. 52019
25
Page 26
HV- 29WZ
Item
Ad j ust men t
of SUB
COLOUR ⅡⅡⅡⅡ
Measuring
instrume nt
Signal
generator
Oscilloscope
Remote
control unit
WCyMgB
Test point Adjustment part Description
TP-47B
TP-E(#### )
[CRT
SOCKET
PWB ]
7.COLOUR
(PAL/SE C AM/NT SC)
[Method of adjustm ent using measur ing instrument]
(PAL COLOU R)PAL COLOUR
1. Recei v e a PAL fu ll f i el d co l our b ar si gn al ( 75% whi te ).
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Select 7.COLO UR with th e fu nction ▲/▼ key.
4. Se t the in it i al sett ing value of P AL COLOU R with t he fu nction
/ key.
5. Con nect the os c illosc ope be twee n TP -4 7B an d T P- E
6. Ad jus t P AL C OLO UR and b rin g t he valu e of (A) in the
illustration to 4V (voltag e d iffer en c e b etwee n white ( W ) and
cyan (Cy)) .
7. Press the MENU/OK key and memorize the setting value.
(SECAM C OLO UR)SECAM COLOUR
1. Recei v e a SECAM fu l l fi el d c olou r bar sig nal (75 % white ).
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Select 7.COLO UR with th e fu nction ▲/▼ key.
4. Set the init ial s etting value of SECAM COLOUR with the
function / key.
5. Ad jus t SECA M COL OUR an d bring th e va l ue of (A) of th e
illustration t o +7V(W ～Cy).
6. Press the MENU/OK key and memorize the setting value.
(NTSC 3.58 COLOUR)
1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field
(A)
(+)
(-)
0
NTSC COLO UR
colo ur bar with 75% whit e) from th e EXT t erminal.
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Select 7.COLO UR with th e fu nction ▲/▼ key.
4. Se t th e i n itial s e tti ng v a lu e of NTS C 3.5 8 CO LOUR with th e
function / key.
5. Ad ju s t NTS C 3 .58 CO LOUR and bring t he va l ue of (A) of the
illustration t o +12V(W～Cy).
6. Press the MENU/OK key and memorize the setting value.
26
(NTSC 4.43 COLOUR)
1. Inp ut a N TSC 4.4 3MH z CO MPO SITE V IDEO sign al (f ul l fi e ld
colo ur bar with 75% whit e) from th e EXT t erminal.
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Select 7.COLO UR with th e fu nction ▲/▼ key.
4. Se t th e i n itial s e tti ng v a lu e of NTS C 4. 43 COL OUR w it h t he
function / key.
5. Ad ju s t NTS C 4 .43 C OLO UR an d bri ng t he val ue of (A) of the
illustration t o +12V(W～Cy).
6. Press the MENU/OK key and memorize the setting value.
No. 52019
Page 27
HV- 29W
Z
Item
Ad j ust men t
of
SUB TINT
Ad j ust men t
of
SUB TINT
ⅡⅡⅡⅡ
W
Measuring
instrume nt
Remote
control unit
Signal
generator
Oscilloscope
Remote
control unit
Cy Mg B
Test point Adjustment part Description
8.TINT [Method of adjustment without measuring instrument]
(NTSC 3.58 TINT)NTSC 3.58 TINT
1. Inp ut a NTSC 3 .58 MHz COM POSI T E V IDEO sign al ( fu ll f ie ld
colo ur bar with 75% whit e) from th e EXT t erminal.
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Se le ct 8 .TIN T with t he func ti o n ▲/▼ key.
4. Se t th e initial setting value of NTSC 3. 58 TINT with th e fu nction
/ key.
5. If you c a nno t get th e best TIN T w i th th e i nit ia l s et ting valu e,
make fine adju stm en t un ti l you g et the bes t TINT.
6. Press the MENU/OK key and memorize the set value.
NTSC 4.43 TINT
(NTSC 4.43 TINT)
1. When NTSC 3. 58 is s et, NT S C 4.4 3 will b e automatically set at
the respective values.
TP-47B
####
TP-E(
[CRT
SOCKET
PWB]
8.TINT [Method of adjustment using measur ing instrument]
)
(NTSC 3.58 TINT)NTSC 3.58 TINT
1. Inp ut a NTSC 3.5 8 MHz COM POSI T E V IDEO sign al (f ul l fi e ld
colo ur bar with 75% whit e) from th e EXT t erminal.
2. Selec t 2 .V/C f rom the SE RV IC E M ENU.
3. Se le ct 8 .TIN T with t he func ti o n ▲/▼ key.
4. Se t th e initial setting value of NTSC 3. 58 TINT with th e fu nction
/ key.
5. Con nect the os c illosc ope be twee n TP -4 7B an d T P- E
6. Ad ju st N TSC 3. 58 TINT to brin g t he va lue of (B) in t he
illustration t o -6V (voltage difference between white (W) and
mag ent a(Mg )).
7. Press the MENU/OK key and memorize the setting value
(B)
(-)
NTSC 4.43 TINT
0
(+)
(NTSC 4.43 TINT)
1. When NTSC 3.58 is set, NTSC 4.43 will be automatically s et at
the respective values.
Ad j ust men t
of VCO
for colour
decoder
Signal
generator
Remote
control unit
10 . VC O
1. Inp ut a P AL fu l l f i el d c olour b ar s ign al ( 75 % white) fr om EX T
terminal.
2. Se lect 2. V/ C from th e SERVICE MENU.
3. The n S el ect 10. VCO ad ju stm ent w it h t he fun ction ▲/▼ key.
4. Press the MENU/OK key.
* When the MENU /OK k ey is pr esse d, VC O f or c ol ou r dec o der
will be automatically set at the respective values.
No. 52019
27
Page 28
HV- 29WZ
DEF. CIRCUIT ADJUSTMENT
Th ere are 3 as p ect mod es (
depending upon the kind of signals ( ver tical frequency 100Hzi / 60Hzp ).
" Whe n the 100Hz REG ULAR mode has been esta blished, t he setting of other mo des will be done automatically.
Ho wever, if the picture quality has not been optimized, adjust each mode again, respectively.
" The adjustment using the remote control unit is made on the basis of the initial setting values.
"
The setti ng val ues which adjust the screen to the optimum condition can be different from the initial setti ng values.
Setting item 100Hz i 60Hz p 100Hz i 60Hz p 100Hz i
1. V- SH IF T 0 + 7 0 0 0 0
2. V-SIZE + 5 + 1 0 0 -15 0
3. H-CENT -21 0 0 0 0 0
①①①①
REGULAR,
REGULAR ZOOM 16 : 9
②②②②
ZOOM &
③③③③
16 : 9) of the adjus tment ( 1 ) 10 0Hz i mode & ( 2 ) 60 Hz p mod e
Initial setting value
60 Hz p
･･････
･･････
････････････
4. H-S IZ E -10 - 6 0 0 -3 +3
5. TRAPE Z -22 + 14 0 0 0 0
6. EW-PIN -46 -1 0 0 0 0
7. COR-PIN 0 +16 0 0 0 0
8. COR-UP +25 +6 0 0 0 0
9. COR-LO +18 -8 0 0 0 0
10.ANGLE0000 0 0
11.BOW0000 0 0
12 . V- S.CR +7 0 0 0 0 0
13. V-LIN -7 +5 0 0 0 0
14 . V.B LK-U P + 80 0 0 0 -82 -6
: Do not move.FIXE D VALUE
28
No. 52019
Page 29
HV- 29W
Z
Item
Ad j ust men t
of
V-SHIF T
Ad j ust men t
of V-SIZE
Scr e en
size
Measuring
instrume nt
Signal
generator
Remote
control unit
Test point Adjustment part Description
1. V- S HI FT [REGULA R mode]
1. Recei ve a cir cle p att ern sig na l of ve rt ic al fr eque ncy 5 0H z.
2. Se le ct 4 .DEF f rom t he SERVI CE M ENU .
3. Se le ct 1 .V-SHIF T with t he fu ncti on ▲/▼ key.
4. Adjust V-SHI FT to make A = B .
5. Check th e ad j ustmen t val u e ab ove in ot her zo om mode .
If it is a wrong adjustment, re-adjust in ZOOM mode and
ad just b y 1. V-SHIFT a nd 13 .V-LI N.
A
B
2.V-SI ZE 7. Receive a cross-h atc h signa l.
Screen size
Picture
size
10 0%
6. Press the ME NU/OK key and memorize the set value.
8. Select 2.V-SIZE and set t he initial s etting value.
9. Ad ju st V- SI ZE an d m ake su re th at t he vert ic al s creen s iz e of
th e p ict ur e s ize is in t he bellow t able.
10. Press the MENU/OK key and memorize the set value.
11 . Input a NTSC VID EO si g nal ( 60 Hz) fr om the E XT ter m in al ,
an d ma ke sur e tha t the vertical scr e en si ze is in th e bel o w
tabl e.
12 . Pr es s th e MEN U /OK ke y and m emor i z e t he set v al ue .
Picture size 100%
AS PE CT
SCREEN
POSITION
TOP
BOT TOM 93 %
No. 52019
REGULAR ZOOM
93 %
[ SCR EEN S IZ E ]
ZOOM
16 : 9
(FIXED ) (FIXED )
(FIXED ) (FIXED )
29
Page 30
HV- 29WZ
Item
Ad justment of
H. CENTER
Ad j ust men t
of H.SIZE
Measuring
instrume nt
Signal
generator
Remote
control unit
CD
Test point Adjustment part Description
3 .H - CE NT 13. R ec eive a c ircl e p attern s ig nal.
4.H-SIZE 17 . R ecei v e a cross - h atch signa l.
14 . Se lect 3 . H - CE NT and set th e i ni t ia l set t ing v al ue .
15 . A d ju s t H- CE NT to ma ke C=D.
16. Press the MENU/OK key and memorize the set value.
18 . Sele c t 4 .H- SIZE an d se t th e i n iti a l sett in g value .
19 . Ad jus t H -S IZE an d m a k e sure tha t th e horiz ont al sc re en s i ze
of th e p ict ure s i ze is in th e b ellow t abl e .
20. Press the MENU/OK key and memorize the set value.
21. Inp ut a NTSC VI DE O signal (60Hz) from the EXT term inal, and
make sure t hat the h ori zo nt al scr ee n siz e i s in t he belo w ta ble.
22. Press the MENU/OK key and memorize the set value.
Ad j ust men t
of EW- PIN
Straight
AS PE CT
MODE
ADJ. IT E M
H- S IZ E 92 %
6.EW-PIN 23 . Se lect 6.EW- PIN and set th e initial s etting va lue
REGULAR ZOOM 16 : 9
24 . Ad jus t EW-PIN and m ak e the 2 nd.ve rtic al lines a t t he l ef t an d
right ed ges of th e s cr een str ai g ht. Al so make sur e th at the 3r d
vertical lines are straight.
25. Press the MENU/OK key and memorize the set value.
ZOOM
(FIXED ) (FIXED )
30
No. 52019
Page 31
HV- 29W
Z
Item
Ad j ust men t
of TRAPEZ
Ad justment of
CORNER
UP/ LOW
Measuring
instrume nt
Signal
generator
Remote
control unit
Signal
generator
Remote
control unit
Test point Adjustment part Description
5. TRA PEZ 26. R eceive a cross - h atch signa l.
27. Se lect 5.TR APEZ with t he fu nction ▲/▼ key.
28. Se t th e initial sett ing value of TRA PEZ with th e fu nction
/ key.
29 . Adju s t TRAP EZ and br in g the VER TICAL lines at the rig ht and
Paralle l
7.COR-PIN
8.COR-UP
9.COR-LO
Straight
left edges of the scr een par al l el .
30. Press the ME NU/OK key and memorize the set value.
31. Se lect 9.COR -LO with the functio n ▲ /▼ key.
32 . Se t th e i n it ial sett i ng value of 9.COR - LO wit h th e fun cti on
/ key.
33 . Ad ju st COR-LO, and b rin g t he s tr ai gh t li ne at the l ow co rner .
34. Se lect 8.COR -UP wit h th e f unction ▲/▼ key.
35. Set the initial sett ing value of 8.COR-UP with the function
/ key.
36 . Ad ju st C OR -UP , an d br i n g th e st ra ig ht l i n e at th e upp er
corner.
37 . If th e extreme up per & lo w er c or ner s an d a litt l e pi n or b arrel ,
ch ose 7.C OR -P IN an d adju st. A nd ad just t o get the straigh t.
38. Press the MENU/OK key an d store t he set value.
Ad justment of
ANGLE
Signal
generator
Remote
control unit
10 .A NG LE
Fig. A
No. 52019
"
In c ase wh er e t here is a p arallel og rammi cal dist orti on of
images on th e s cree n. (F ig. A)
39. Se lect 10.ANGLE wit h th e f unction ▲/▼ key.
40 . Ad ju st ANG LE, an d brin g t he VERTICAL l i nes str aigh t.
41 . Pr ess the ME NU key a nd m em or iz e the s et va l ue.
31
Page 32
HV- 29WZ
Item
Ad j ust men t
of BOW
Measuring
instrume nt
Signal
generator
Remote
control unit
Test point Adjustment part Description
"
11.B OW
In c as e whe r e th ere is a b ow -sh ap ed d istorti o n of imag es o n
th e scr een. ( Fig.B)
42. Select 1 1. BOW with th e functio n ▲/▼ key.
43 . Adju s t BO W, an d b ri n g t he VERTICAL l i nes str ai gh t.
44. Press the MENU/OK key and memorize the set value.
Fig. B
Ad j ust men t
of V-S .CR &
V.LI N.
12.V- S.CR
13.V- LIN
TOP
CENTER
BOT TOM
"
W hen t he ve rt ic al l inear ity ha s be en det er iorate d rem ar k ab l y ,
p erf or m t he fo llowin g st eps.
45 . Recei v e a cross- h atch signa l.
46. Se lect 1 3. V-L IN wi th the function ▲/▼ key.
47. Se t th e initial s etting value of 13. V-LIN with the fun cti on
LEFT/ RIGHT key.
48. Select 1 2. V- S.CR . wit h th e fu nction ▲/▼ key.
49. Set th e in itial sett ing value of 12. V-S.CR. wit h th e fu nction
/ key.
50 . Ad jus t 13 . V.L IN and 1 2. V- S.CR. so t ha t the space s of e ach
line on TO P, CENTE R, and B OTTOM bec ome u nif orm.
NOTE : Do n ot ad just “ZOOM” & “16 : 9” m ode.
* At first the adjustment in 50 Hz REGULAR mode should be
d one, the n th e data f or t he o th er ZOO M m od e is c orrec ted i n
th e r es p ec ti ve va l ue at th e sa me t ime. An d c onf irm t he
deflection adjustment initi al setting val u e i n 60H z (NTSC EXT
mode) REGULAR mode.
If the adju stm ent in 5 0H z REGU L AR mo de has be en done and
stored, t he data f or th e oth er ZOO M modes i s c orrec ted in th e
same value at th e same time.
* Only the data for the other ZOOM mode in 60Hz is corrected
for it self.
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AUDIO CIRCU IT ADJ USTMENT
" Do not touch 3. AUDIO adjustment of the SERVICE MENU as it requires no adjustment.
If values ha d ch an ge d for th e s o me r eas on, s et the ini tial values in t he fol l ow i ng ta bl e.
3. AUDIO(D o not adjust)
Setting item Variable range fixed value
1. ER R LI MIT 00 H～FFH 10H
2. A2 ID THR 00 H～FFH 19H
3. SYS TEM ―――― B/G
4. AI VOL UME 00 ～03 00
5. SUB TREBL E -03～03 00
HV- 29W
6. SUB BASS
-03～03
00
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PURITY, CONVERGENCE ADJUSTMENT
PURITY ADJUST MENT
1. Demag ne tiz e C R T with t he dem a gneti z er .
2. L oose n th e re tain er scr ew of th e d eflec tion y oke .
3. Rem ove th e wed ge s.
4. Inp ut a g r een rast er signal fr om the si gn al ge nerat or , an d tur n
th e scr een t o gr een r aste r.
5. Move the deflection yoke backward.
6. Bring t he lo ng l ug of th e p uri ty m agn ets on the sho rt lug a nd
p osition t he m horizon tall y. ( F ig. 2)
7. Ad ju st t he ga p be tween two l ug s so that th e GREEN RAS T ER
will come into the center of the screen. (Fig.3)
8. M ove the deflec t ion y oke for w ar d, a nd fix the pos iti o n of th e
deflection yoke so that the whole screen will bec ome green.
9. Ins ert th e w e dge t o the t op side of the def lec t io n y o ke so that it
will not move.
WEDGE
DYNAMIC CONVERGENCE ADJUST MENT
PURIT Y MAGNET(P)
CRT
46
DEF. YOKE
P/C MA GN ETS
P : PURITY M AGN E T
4 : 4 P OLES ( c on v er gen c e m agn ets)
6 : 6 P OLES ( c on v er gen c e m agn ets)
PURITY MAGNETS
P / C MAGNETS
Fig.1
CRT SO CKET PWB
10 . Inp ut a cross hat ch sig na l.
11 . Ve rif y that th e scre en is hor i z on tal.
12 . Inp ut r ed and b l ue r ast er sign al s, a nd m ak e sur e tha t purity is
prop er l y ad juste d.
Short l ug
Bring the long lug over the short lug
and position th em hor izontally.
Fig.2
(FRONT VIEW)
CENTER
Fig.3
Long l
GREEN RASTER
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(
)
(
)
(
)
(
)
(
)
STAT IC CONVERGENCE ADJUSTMENT
1. Inp ut a cross hat ch si g nal.
2. Usin g 4 - po le c on v er ge nc e m agn ets , ove rla p t he re d a nd bl u e
lines i n th e cen ter of th e screen (Fig. 1) a nd tu rn the m to
mag ent a (r ed/ blue ).
3. U s ing 6- p ol e con verge nce ma gn ets, ove rla p th e m age nta
(red/b l ue) an d gree n lines in t he c ent er of th e s creen an d tu rn
them to white.
4. Repeat 2 and 3 ab ove, an d ma ke b est c onver ge nce.
●
After ad justmen t, f ix the wed ge at the origin al p osition .
Fas t en the r eta in er s crew of th e d ef lecti on y oke .
Fi x the 6 m agn ets with g lu e.
DYNAMIC (p eriphery) CONVERGENCE
ADJUS TMENT
After adjusting p urity & static con vergence.
1. M ove th e deflec ti on yoke up an d dow n to adj ust t he pi n c ush ion
disto rtio n in th e scr ee n top an d bottom . ( See Fig. 2)
2. Move th e d ef lec tion yo ke left to righ t to over l ap th e lines i n th e
p erip her y, an d match the Yv ( VR 1) .(As s hown i n Fig. 4 )
BLUE
GREEN
RED
FR O N T V IE W
FR O N T V IE W
FR O N T V IE W
RED
Fig. 1
TO P
BO TTO M
Fig. 2
YH
GREEN
BLUE
RED
GREEN
BLUE
3. Usin g the VR1 on the d eflect ion yo ke, m atch th e YH (CRO SS) .
(See Fig. 3 an d 6)
4. Usin g the VR2 on the d eflect ion yo ke, m atch th e YH (BOW).
(Se e Fig. 3 an d 6)
5. Rep eat the st eps 1 a nd 4 and o btain a n optimum co nverg enc e.
6. Dif fer en tial(XV ) c oil ADJU ST ME NT.
In c ase w h ere th e h or i z ont al lin es o f r ed a nd blu e ar ou nd th e
cen ter o f both sides of t he pi ctu re as s hown i n F i g. 5, adjus t the
XV d if feren ce b y usi ng the d iffer enti a l coil( XV coil) on th e top of
th e d eflec tion yoke (Fig. 6) s o as to minim ize th e XV dif feren ce.
CRT
XV COIL
YV
(VR 1 )
FRONT
YHC
(VR 2)
FR O N T V IE W
GREEN
RED
FR O N T V IE W
BLUE(RED)
v
X
RED (BLUE )
BLUE
GREENBLUE
YH
Fig. 3
YV
YV
Fig. 4
RED
BLUE
GREEN
RED
RED
GREEN
BLUE
BLUE
GREEN
RED
GREEN
Fig.6
Fig. 5
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