Super (S11-S20) & Hyper (S21-S41)
bands recei vable
32.5MHz (5.5MHz)
31.5MHz (6.5MHz)
32.0MHz
PAL (4.43MHz),
SECAM (4.40625MHz / 4.25MHz)
NTSC (3.58MHz / 4.43MHz)
AV - 21 F3
AV - 21 FR3
(6.0MHz)
CONTENTS
AV-21FMG3B
32.5MHz(5.5MHz) /33.5MHz (4.5MHz)
31.5MHz (6.5MHz)
32.0MHz
(6.0MHz)
Power InputRated Voltage
Power Co nsumpti on
Speaker
Audio Output
Aer ial In pu t Termi n al
Input
OutputVideo1V(p-p), 75
Headphone jack3.5mm mini jack
Remote Control Unit
Video1V(p-p), 75Ω (Front / Rear )
Audio
Audio500mV(rms) (-4dBs), Low impedance,
AC110~240V, 50 / 6 0Hz
90W (Max) / 60W(Avg)
6cm×12 cm, Oval type×2
3W (monaural )
75Ω Unbalanced
500mV(rms) (-4dBs), High impedance,
RCA×2 (Front / Rear)
Ω
[AV-21F3]
: RM-C364G Y
[AV-21FR3]
: RM-C90
(Batter y size : AA / R06 / UM- 3×2)
Design and specifications are subject to change without notice.
RM-C3 64
(Batter y size : AA / R06 / UM- 3×2)
2
No. 52024
Page 3
A
3
A
A
SAFETY PRECAUTIONS
V-21F
V-21FR3
V-21FMG3B
1. The d es ign of th is prod uct c on ta ins sp eci al har d wa re , many
circuit s and components specially for safety purp oses. For
con tinu ed pr ot ection , n o c han g es sh ou ld b e ma de to the o ri g i nal
d esi gn un less auth or ized in w riti n g by th e ma nu fact urer.
Replacem en t par ts must b e id ent ic al to thos e u sed in th e or i gi n al
ci rcu its. Servi ce sho ul d b e per formed by qu alif ied p ers on nel
on ly.
2. Alte rati on s of t he des i g n or circui tr y of t he pr od ucts s h oul d not be
made. Any design alterations or additions will void the
manu fact ur er 's warrant y and w ill f urth er r el i eve t he manu factu rer
of r esp onsi b ility for perso na l injury or pr op erty dam ag e r es ult in g
th erefr om.
3. M an y electr i c al an d m ech anic a l p ar ts in th e prod ucts ha ve
special safety-related characteristics. These characteristics are
oft en not e v iden t f rom vi sual insp ec ti on n or c a n t he pro tec t io n
aff or de d by th em nec e ssar i l y be ob tai n ed b y u sing rep lacem en t
com po ne nts ra ted f or hig he r voltag e, w att ag e, etc. Rep lacem en t
p arts whic h ha ve th ese sp eci al s afet y charact erist ics ar e
ide ntified i n the parts li st of S ervice manual. El ectric al
components having such features are ide ntified by shading
on t h e sche mat ics and by (!!!! ) on the parts list in Service
manual. T he us e of a sub sti tu te rep lacem en t whic h do es n ot
h ave th e s ame saf ety ch ar act erist ics as t he reco mm en de d
replac em ent part sh own i n th e parts li st of Ser v ice m an ual m ay
cause shock, fire, or other hazards .
4. Do n't short 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 er enc e of th e GND is s ho wn b y th e LIV E : ( ") side GN D, the
ISO LATE D(N EUTRAL) : (#) si de GND and EARTH : ( $) side
GND. Do n't s h or t bet we en th e LIV E sid e GN D an d
ISO LATE D(N EUTRAL) side GND or EART H side GND an d
n ever m ea sur e w it h a mea sur ing a ppa ratus ( os cil lo scop e etc.)
th e LI VE si d e GND an d IS OLA TED(N E UTRAL ) sid e G ND or
EARTH side 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 ecke d or adj u ste d ( See
ADJUST M ENT OF B 1 POW E R SUPPL Y).
6. The hi gh v ol ta ge applie d t o th e pi ctu r e tube mu st con form with
th at s p ec ifi ed i n S er v ice m an ual. E xcess ive h igh vo lt ag e ca n
cau s e an i ncre ase in X-Ray em i ssi on , ar c i ng an d possib 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 em ove t he AC power
immed i ate ly and de termine th e cause b y visua l insp ect ion
(inc or r ect install at ion, cr ac ke d or mel te d high vo lt age har n ess,
p oor so lder i ng, et c.) . T o m ai nt ain the p r ope r mi n im u m le vel of
sof t X- R ay emis si on, c omp on ents in th e high voltag e cir c uitr y
incl ud i ng t he pict ur e tube must b e t he exac t r ep l aceme nts or
alte rn at ives ap prov e d b y th e manuf act ur er of th e c omplet e
prod uct.
7. Do n ot c hec k high volt ag e by drawing an ar c. Use a hi gh volt ag e
meter or a hi g h v ol tag e probe wit h a V TVM . Di s cha rge th e
picture tube before attempting meter connection, by connecting
a cl i p lead to the grou nd frame a nd conn ectin g th e oth er end of
the lead through a 10kΩ 2W resi sto r to the an od e butt on .
8. When service i s r equ ire d, ob s er ve th e or i gina l lea d dress. Ex tr a
prec aut ion sh ou ld b e given t o assure correct l ea d dress in th e
high vol tag e ci r cui t a r ea. W her e a s hor t circui t h as occ u rr e d,
th ose co mpon ent s tha t i ndi ca te ev ide nce of ove r hea ting sho ul d
b e r e pl ace d. A lwa ys use th e ma nuf act urer's r ep l acemen t
components.
9. Isolation Check
(Safety for Electrical Shock Hazard)
Af ter re-ass emb ling th e pr odu c t, alw ays per f orm an i solat io n
ch ec k on the ex po sed me tal p ar ts of t he c abin et ( a nte nn a
ter m ina ls, video /au dio inpu t and ou tput t erminals, C on trol kn obs,
metal cabin et, s cr ew he ads, ea rph one jack, c on tr ol shaf ts, etc.)
to be s u re the p r odu c t i s s af e t o o perate with ou t d an ger of
elect rical s hoc k.
(1) Dielectric Strength Test
The is o l ati on be tween the AC pr im a ry ci rcu it an d all me tal p arts
exp osed t o th e us er, p arti c ularly an y expos ed met al p art having a
retu rn p ath to t he chas s is should withs tan d a volt age of 3 000 V
AC (r.m.s.) for a period of one second.
(. . . . W iths tan d a vo lt ag e of 1 10 0V A C ( r .m. s .) to an ap pl ianc e
rate d up to 12 0V , an d 3 00 0V AC ( r .m. s .) to an ap pl i an ce rat ed
200V or more, for a period of one second.)
This meth od of test requires a test equipment n ot g enerall y fou nd
in t he s er vic e trade.
(2) Leakage Current Check
Plug th e AC l in e c ord d ir ect ly into the A C ou tlet (d o n ot use a lin e
isol ati o n transf orm er dur in g this check .) . Usin g a " Leakag e
Curr ent Teste r", me asure th e lea kag e current f rom each exp osed
metal p ar t of the ca bi ne t, p art icu lar l y any e x pos ed me tal p ar t
h avi ng a re turn pa th to t he ch as sis , t o a kn ow n go od eart h
grou nd (wa ter pi p e, e tc.) . An y l eaka ge cur r en t must not e x ceed
0.5mA AC (r.m.s.).
Howev e r, i n tropic al ar ea , th is mus t no t exc e ed 0.2 mA AC
(r.m.s.).
"""" Altern at e Che ck M ethod
Plug th e AC l in e c ord d ir ect ly into the A C ou tlet (d o n ot use a lin e
isol ati o n transformer during t hi s che c k.). Use an AC v o lt me ter
h avi ng 1 000 oh ms pe r volt or m ore sens it i vity in th e fo llow i ng
mann er . C on nec t a 1 50 0Ω 10W res ist or para lle led b y a 0 .15µF
AC-type c apacit or bet ween an expo sed met al pa rt and a kno wn
g ood e ar th gro un d ( wa ter pi pe , etc.). M eas ure th e AC volt ag e
acr oss th e r es ist or with th e AC vo ltm eter . Move th e r esi s tor
con nec ti on to each ex p ose d me tal par t, p art i cularly a ny exposed
metal p ar t hav in g a r etu rn pat h to the ch ass is, an d m easu re th e
AC vol tag e ac ro ss the r es ist or . Now, re vers e th e plu g in th e AC
ou tl et and repe at eac h m ea s ur em en t. An y vol t age measu red
must no t e xceed 0 .7 5V AC (r.m.s.). This c orresponds to 0.5mA
AC (r.m.s.).
Howeve r, in tropica l area, this must n ot exceed 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.52024
3
Page 4
A
V-21F3
A
A
V-21FR3
V-21FMG3B
FEATURES
"
New c h assi s d esign enabl es us e of an int eractive on-scr ee n c ont ro l.
"
Wide ran ge volt age ( 1 10V~240V) AC power input.
" With AUDIO / VI DEO INPUT & OUTPUT te rminal.
"
MUT IN G button can r ed uce th e audi o level to z er o i nst ant l y.
" Func t ion al r em ote contr ol t o oper a te T V set (f or chann el se lect, volum e con tr ol , p ower ON /OFF , etc. ) f rom a d ist anc e.
"
I2C bu s con tr ol ut ilizes single chi p ICs for IF, V /C, DE F. VSM PR ES ET, PRESET & SETUP T OUR.
" By m eans of AUTO PR OGRA M, th e TV s tatio ns c an b e s electe d automatica lly a nd th e TV chann el s c an al so b e r ear r an ged a utom atically.
" The TELETEXT SYSTEM has a built-in FLOP system. (Only for AV-21FR3)
"
Built- in ECO MODE (ECONOMY, ECOLOGY)
In acco rdanc e with the br ig ht nes s in a roo m, th e brig ht ness and / of con tr ast of th e p ic tur e c an b e a djus t ed autom at ically to mak e the
op ti mu m pictu re whi c h is eas y on the e ye.
" Built – in ON TIMER, RETURN + & CHILD LOCK.
SYSTEM BLOCK DIAGRAM
"
IC702
MEMORY
IC701
SCL2/SDA2TCL/TDA
MICRO
COMPUTER
IC301
VIDEO/CHROMA
DECORDER
SCL1/SDA1
IC821
TEXT DECORDER
Only f or AV-21FR3
TU001
TUNER
4
No. 52024
Page 5
A
3
A
A
FUNCTIONS
■
FRONT PANEL
MENU buttons
1
CHANNEL -/+ buttons
2
VOLUME -/+ bu tto ns
3
AI ECO sen sor
4
REMO TE CONTR OL s ens or
5
ON TIMER lamp
6
POWER lamp
7
MAIN POWER button
8
A/V IN PUT t ermin al
9
HEAD PHONE jack
10
V-21F
V-21FR3
V-21FMG3B
1091
■
REAR TERMINAL
1
34
2
5678
2
3
4
5
ANT Terminal
1
VIDEO INPUT Term i nal
2
VIDEO OUTPUT Terminal
3
AUDIO INPUT T ermin al
4
AUDIO OUT PUT Terminal
5
No. 52024
5
Page 6
A
V-21F3
A
A
t
V-21FR3
V-21FMG3B
■
REMOTE CO NTRO L UN IT
RM-C90 : AV-21FR3
1
2
3
4
5
6
7
8
9
10
ECO S ENSOR ke y
1
COLOUR SY STEM ke y
11
12
13
14
15
16
17
18
2
SOUND SYSTEM key
3
DISPLAY key
4
TV/VI DEO key
5
OFF TIMER key
6
PICTURE MODE key
7
CHANNEL SC AN key
8
RETURN+key
9
CHANNEL -/+ key
10
POWER key
11
MUTING key
12
TV/TEXT key
13
MENU ke y
14
MENU ▲/▼ key
MENU / key
Number (CH.) key
15
-/--
16
VOL UME -/+ key
17
Teletext key
18
key
RM-C364GY : AV-21F3 RM-C364 : AV-21FMG3B
1
2
3
4
5
6
7
8
9
Exc e pt f or diff er enc e i n bo dy colo ur, t he Rem ote Contro l Uni
RM-C 36 4G Y and RM-C3 64 ha ve exac tl y t he s am e Fu nctions.
10
11
12
13
14
15
16
ECO S ENSOR ke y
1
SOUND SYSTEM key
2
COLOUR SY STEM ke y
3
TV/V IDEO key
4
OFF TIMER key
5
CHA NNEL SC AN k ey
6
RETURN+key
7
DISPLAY key
8
CHANNEL key
9
POWER key
10
PICTURE MODE key
11
Number (CH.) key
12
-/ --key
13
MUTING key
14
MENU ke y
15
MENU ▲/▼ key
MENU -/+ key
VOL UME-/+ key
16
6
No. 52024
Page 7
A
3
A
A
MAIN DIFFERENCE LIST
V-21F
V-21FR3
V-21FMG3B
Part Na me
Model Name
AV-21F3SCG-1411A-H2
AV-21FR3
AV-21FMG3BSCG-1432A-H2
Item
Model Name
AV-21F3
AV-21FR3B/G, I, D/KPAL / SECAM
AV-21FMG3BB/G, I, D/K,&M
Main PWBFront CabinetRemote Control UnitPos,Serial Label
LC10394-038A-HRM-C3 64GY-1H
SCG-1402A-H2LC10394-037A-H
LC10394-039A-HRM-C364-1HCM47385-00B-H
TV RF Syst emCol our Sy stem
B/G, I, D/KPAL / SECAM
PAL / SECAM
NTSC3.58 / NTSC4.43
RM-C90-1H
Interm ediate
Frequency
(SIF Carrier)
32.5MHz (5.5MHz)
31.5MHz (6.5MHz)
32.0MHz (6.0MHz)
32.5MHz (5.5MHz)
33.5MHz (4.5MHz)
31.5MHz (6.5MHz)
32.0MHz (6.0MHz)
Teletext System
FL OP
No. 52024
7
Page 8
A
V-21F3
A
A
V-21FR3
V-21FMG3B
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unp lug the po wer pl u g.
####
!!!!
.
an da
2. As s h own i n f igur e , remove t he 6 screws marked
screw marked "
3. Wi thdr a w t he r ear c o ver to wa rd you .
".
""
REMOVING THE MAIN PW BOARD
" After removing the rear cover.
1. Sli ght ly r ai se t he both si d es of t he MAIN PW BOARD b y ha nd .
2. Wi thdr a w t he M AIN PW B OARD b ackw ar d.
(If necess ar y, ta k e off the wire c lamp, c onn ect or s etc. )
REMOVING THE SPEAKER
"
After removing the rear cover.
1. As sh own in fi gu re, r em ove th e 2 screws marked
2. Follow th e s ame st eps wh en r em oving th e oth er ha nd sp eak er.
CHECKIN G THE MAIN PW BOARD
1. To ch eck the ba ck s ide of the PW B oar d.
1) Pu ll out the MA IN PW Bo ard. ( Ref er to RE MO VING TH E MAIN
PW B oar d)
2) Er ect th e PW Boar d vert ic al l y so th at you ca n easil y ch eck th e
b ack side of th e PW Boar d.
[CAUTION]
" W hen e re cting th e PW Boar d, be caref ul s o t hat ther e w ill b e n o
con tact in g with ot her PW Boar d.
" Before turning on power, make sure that the CRT earth wire and
oth er co nne cto r ar e p rope rly c onn ect ed.
WIRE CLAMPIN G AND CABLE TYING
1. Be sure to cla mp the wir e.
2. Never r em o v e th e cable ti e use d f or tying th e wires to gethe r.
Sh oul d i t be inad verte ntly r em ove d, be su re to tie th e w ires w it h a
new cable tie.
8
No. 52024
Page 9
A
3
A
A
FRONT CABI .
V-21F
V-21FR3
V-21FMG3B
SP EAKER
C
CRT SOCKET
PWB
MAIN PWB
SP EAKER
C
POWER
CORD
REAR
COVER
B
A
No. 52024
9
Page 10
A
V-21F3
A
A
S
U
/C
QSS
OLU
OS
V-21FR3
V-21FMG3B
REPLACEMENT OF MEMORY ICs
1. MEMORY ICs
Thi s mod el u ses me mo r y I Cs. This memo r y IC da ta are f or pr o per opera tion of th e vide o a nd defl ect io n cir cuits.
When r ep la cing memory ICs , b e su r e to use ICs w r it ten w i th t he ini tial v a lu es of dat a.
2. PROCEDURE FOR REPLACIN G MEMORY ICs
(1) Power off
Switch the p ower of f and di sc o nn ect t he pow e r plu g f rom t he w al l out let.
(2) Replace ICs
Be sure to use memory ICs written with the initial data values.
(3) Power on
Connect th e pow er plu g i nt o the wal l ou tl et and s w itch t he po we r on .
(4) C heck and s et SY STEM CONSTAN T SET
・・・・ It must not adjust without adjustment signals.
1) Press th e DI SPLAY key and the PICTURE MODE key of the REMOTE
CONTROL UNIT simultaneously.
2) The SERVICE MENU screen of Fig. 1 will be displayed.
3) W hi le th e SE RV ICE MEN U is d is play ed , ag ain p r ess the DISPL AY key and
PICTUREMODE key simultaneously, and the SYSTEM CONSTANT SET
screen of Fig. 2 w ill b e di splayed.
4) Check th e s ettin g value s of the S YSTE M CON ST AN T S ET of T able 1 If th e
val u e is diffe re nt, sel ect the sett i ng it em wi th the MENU ▼/▲key, and set
th e co rrect valu e with t he MENU - / + k ey.
5) Press the DI SPLAY ke y twice, and r etu rn to th e n or m al scr ee n.
(5) Receive channel of setting
Refe r to th e OPE RATING INST RUCTIONS and set th e r ece i ve c ha nn el s
(chan nels prese t) as descr i be d
(6) User Setting
Check t he us er s ettin g valu e of Tab le 2, a nd if se tti ng value is di f feren t, s et
th e co rrect valu e.
For setting , refer to the OPE RATING INSTRUCTIO NS.
(7) Setting of SERVICE MENU
Ve rif y the s et ting it ems of th e SER VICE MENU, and r eset whe r e n ecess a r y.
For setting , refer to the SERVICE ADJUSTMENTS.
NOTE
Alth ou gh th e k ey p osi tion of t he RM-C90 r e mote control unit is diff erent fr o m
th at of t he RM -C36 4GY & R M -C3 64 remot e co ntrol unit, the fu nctio ns of bo th
un its are th e same S o pl eas e us e th e at tach ed diagr a m for th e RM-C90
remote control unit for the RM -C36 4GY & RM-C364.
By t he way, MENU -/+ Key fu nction s in t he sam e ma nner as for / key.
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
ERVICE MEN
1.IF 2.V
3.DEF 4.VSM PRESET
5.PRESET
6.SETUP TOUR OFF
1-6 SELECT DISP : EXIT
******
****** *****
*******
************
**********
*** ** **
*** ** ** ** ***
*** ** ***** ** **
**.***
****
** ***
** ***** ***
***
******
Fig.1
SY STEM C ON STA NT- ⅠⅠⅠⅠ
SYSTEM CONSTA NT SE T 1
COL O UR:
BILIN GUAL: N O
TUNE R: MU
ECO SENSOR: YES
LANG U AG E:
: SELECT
/
- / + : OPERATEDISP : EXIT
***
***
SY STEM C ON STA NT-
SYSTEM CONSTA NT SE T 2
B/B SO UND: O F F
LOCK: 180
COL OUR AU TO : NO
ALC: NO
TEXT R ATE: 2 0
: SELECT
/
- / + : OPERATEDISP : EXIT
: MINT
SY STEM C ON STA NT- ⅢⅢⅢⅢ
SYSTEM CONSTANT SET 3
AMP T UNER: NO
VNR: YES
TEXT TABLE: CYL
M PWM: P
V
ⅡⅡⅡⅡ
: SELECT
/
- / + : OPERATEDISP : EXIT
DI SPL A Y k ey
MENU
/ key
MENU
▼/▲
key
Fig.2
NUMBERS
PICTURE
MO DE k e y
key
(RM-C90)
10
No. 52024
Page 11
A
3
A
A
SE TT ING OF SY STEM C ON STANT SET
Setting itemSetting contents
COLOUR
BILINGUAL
TUNER
AI ECO S ENSOR
LA NG UA G E
B/B SOU ND
LO CK
COLOUR AUTO
QSS
ALC
MUL TI .PA LTRIPLE
YE SNO
MUMA
YE SNO
E/R/A /PE/R
ONOFF
YES 10 20 ~ 230
250 240
YE SNO
MI NTMQ SS
YE SNO
V-21FMG3B
AV-21F3AV-21FR3AV-21FMG3B
TRIPLE.MULTI
NO
MU
YE S
E/R
OFF
18 0
NO
MI NT
NO
Setting value
E/R/A /P
V-21F
V-21FR3
TEXT RAT E
AMP TUNER
VNR
TEXT TABLE
VOL UM PW M
USER SE T TING V ALUES
Setting itemSetting valueSetting itemSetting value
SUB POWERONLANGUAGEENGLISH
CHA NNEL PO SITIO N1 PO SITIO NCHA NNEL P RE SETRefe r t o OPE RATIN G I NS TRUCTION
VOL UMEAbout 10AI ECO S EN SOROFF
TV/V IDEO
ON SCR EEN DI SPLAY
COLOUR SYSTEMPALON TIMERPR1 0:00
SOUND SYSTEMB / GBLUE BACKOFF
OFF TIMEROFF OSD.Shows 00CHI LD LO CKOFF
PICTURE MODE (VSM)BRIGHT
10 20 40 80
YE S
YE SNO
ARACYL
POSNEG
NO
TVVNROFF
POSITION INDICATIONAUTO SHUTOFFOFF
20
NO
YE S
CYL
POS
Table 1
Table 2
No. 52024
11
Page 12
A
V-21F3
A
A
)
V-21FR3
V-21FMG3B
INITIAL SETTING VALUE OF SERVICE MENU
1. Ad justmen t of t he SE RVICE MENU is m ad e o n th e bas is o f the initial setti ng va lues ; howev er, the new setting va lues w hich
set the screen in its optimum condition may differ from the initial setting.
2. Do not change the initial Setting Values of the Setting (Adjustment) items not listed In “ADJUSTMENT”.
2. V/C
Initial set ting v al ue
Setting item
2. DRI VE
3. BR IG HT
Colour sy stem
RED
GREE N1. CUT OFF
BL UE
RED
BL UE
Variabl e
range
-128 ~+127
-128 ~+127
-127~+127
PA LSE CAMNT SC 3.5 8NT SC 4.4 3
-50
+ 0
+ 0
4. CONT .
5. COLOUR-63~+63+ 0
TV
AV -21F3
6. TINT
7. SECAM BL ADJ.
8. SHARP
3. DEFL ECTION
1. VER. POS ITION
2. HOR. POSITION-16 ~ +15+1+ 4
3. VER. HEIGHT- 64 ~ +63-40+ 0
4. VE R . L I NE ARIT Y-32 ~ +31+13- 3
5. VER. S WCURVE- 32 ~ +31-32+ 0
6. H OR. VC O AD J UST
VI DEO
Do Not Ad j.
Setting itemVariable range
AV -21FR3
AV -2 1FMG3B
TV - 8(Fixed
VI DEO
Do Not Ad j.
-63 ~+63
-63 ~+63
-31 ~+31
-32~+31
-04 ~ +03
-63 ~ +62+ 0+ 0
+ 0
+ 0+ 0
+0+ 0
+8+ 0
+ 0
+15(Fi x ed )
Initial set ting v al ue
fv : 50Hz MODEfv : 60Hz MODE
- 2- 3
4. VS M PRESE T
12
VS M pr eset
VSM mode
Setting item
TINT SETTING VA LUE+1 5
COLOUR SE TTIN G VA LU E+15
BR IG HT SET TING VA LUE+1 5
CONT . SE TTING VA LUE+30+15+ 11
SHARP SE TT IN G VA LU E+1 5+1 2
BRIGHTSTANDARDSOFT
No. 52024
Page 13
A
3
A
A
5. PRESE T
The items in the following table, it i s no requirement for adjustment.
If va lues had changed by t he miss operation, se t the initial settin g v alue s i n the following table.
Colour Sy stem Do Not Ad j u st
V-21F
V-21FR3
V-21FMG3B
Setting item
1. C TRAP FIX1111
2. SHARP PEAK0000
3. A BL1111
4. GAMMA0000
TV0223
5. Y. DE LAY TIME
VI DEO0202
6. BLACK EX P START
TV1100
7. C-BPF
VI DEO1111
8. CW / SC P0000
9. VIF DET L EVEL0000
11. IF AGC MIN0000
12 . VIF AGC0000
13. VIF PM OD0000
19 . VN R15151515
PA LSE CAMNT SC 3.5 8NT SC 4.4 3
+3+3+3+3
Initial set ting v al ue ( Fixed value)
20 . R GB LIM1111
21. RGB LIMIT LEVEL2222
23. TEXT H. POSITION-3-3-3-3
24. READ DATA
Sound System D o Not Ad j u s t
Setting itemB/GID/ KM
10. SIF DET L EVEL+0+0+0+0
14. SIF BP F BW ADJUST
15. SIF TRAP FO ADJUST+0+0+0+0
16. SIF TRAP FO ADJUST 2+0+0+0+0
17. SIF -TRAP0000
18. SIF -BPF1000
22 . SIF SW0111
+
0
+
0
+
0
+
0
No. 52024
13
Page 14
A
V-21F3
A
A
V-21FR3
V-21FMG3B
REPLACEMENT OF IC301 (IF V/C DECODER)
" For the IC301(IF V/C DECODER) of t his mode l, a ll data are written in the micro-computer. So, wri te the data i n the micro-
computer in accordance with the following procedures before starting adjustment.
PROCEDURES
(1) Tur n the POWE R O F F.
(2) Replace t he IC301 with a n ew o ne.
(3) While pr es sing MENU bu tto n a nd VO L+ bu tto n ON the FRONT CABIN E T simul t aneous ly, t urn th e POW ER O N. When the POW ER is
turn ed ON, th e d at a is w ritten in the m icro-compute r immed iately.
LOCATIONS OF FRONT PANEL BUTTONS AND LAMPS
MENU buttons
1
12345
CHANNEL -/+butto ns
2
(ME NU -/+b uttons)
VOLUME -/+ buttons
3
(MENU -/+ bu tto ns)
AI ECO sensor
4
REMOTE CONTROL sensor
5
ON TIMER lamp
6
POWER lamp
7
MAIN POW ER button
8
78
6
14
No. 52024
Page 15
A
3
A
A
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There ar e 2 w ay of adjus ti ng thi s TV: One i s wi th t h e
REMOTE CONTROL UNI T and the other is the conventional
method using adjustment parts and components.
2. The adjustment with the REMOTE CONTROL UNIT is made
on the basis of t he initia l se tting v alue s. The sett ing values
which adjust the screen to its optimum condition may differ
from the initia l s etting v al ues.
3. M ake s ur e th at connect ion is c orrec t l y made t o AC p ower
source.
4. Turn on t he power of th e se t an d eq uipm en t bef or e us e, an d
start t he adju stm en t proc edure s af ter waitin g at least 30 min utes.
5. Unl ess ot herwi se spec if i ed, prep ar e th e mo s t s uita bl e r ec epti o n
or inp ut si gn al for adj ust m ent.
6. Nev er t o uch any ad ju s tment parts, wh i ch ar e no t spe cif ied
in the li st for thi s ad justme nt VRs , tra nsf or ms, c ond e n ser s,
etc.
7. Prep ar ati o n for adj ustm en t
Unless otherwise specified in the adjustment instructions, preset
the following functions with the REMOTE CONTRO L UNIT.
User mode position
PICTURE MODE (VSM)BRIGHT
VNROFF
TINT / COLOUR / BRIG HT
CONT. / SHARP
BLUE BA CKOFF
OFF TIMEROFF
AI ECO S ENSOROFF
AUTO S HUT O FFOFF
V-21F
V-21FR3
V-21FMG3B
CENTER
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Si gn al g ener at or (P att er n g ener at or) [ PAL / S EC AM / N T S C]
4. Remote control unit
ADJUSTMENT ITEMS
Adjustment it emAd justment item
B1 POW E R SUPPLY
FOCUS adjustmentVSM PRESET setting
IF ci rc uit a djust me nt
V/C (Video / Chroma) circuit adjustment
DEFLECTION c ircuit adjustment
PURITY/ CO NV ER GEN C E adj us tm ent
No. 52024
15
Page 16
A
V-21F3
A
A
3
t
V-21FR3
V-21FMG3B
BASIC OPERATION OF SERVICE MENU
"
The adjustment using SERVICE MENU
The f ol lowing adjus tme nt it ems us e t he SE RV IC E M EN U in th e s er ies of the adj u s tm ent . The ad ju stment s are made on the bas is of the
initial s e tting val u es. The ad ju stm ent valu es whic h ad ju st t he s cr een to the o pti m um co ndit io n c an be diffe rent from the i n iti a l sett in g values.
With th e SER VICE ME NU, various s ett in gs c an be made , a nd the y are broa dl y c l ass ifi e d i n the f ollo win g ite ms of s etti n gs.
1.I F ・・・・・・・ ・・・・・・・・・・・・・ ・・・ Ad justment of th e IF cir cuits.
2.V /C ・・・・・・・・・・・・・・・・・・・・・・ Ad ju stm en t of th e VID EO /CHRO MA cir cuit.
3.DEF ・・・・・・・・・・・・・・・・・・・・ ・ Adjustmen t of th e DEFLECTION circuit.
4.V SM PRES ET ・・・・・・・・・・・・ Ad ju stmen t of th e init ia l sett in g va lue s of VSM c o nd it ion as STA NDA RD, SOFT a nd BRIGHT .
(VSM : Video Status Memory)
5.PRESET
6.SETUP TO UR OFF ・・・・・・・ ・ It s hould b e able to selec t m ode (LANGUAG E and AUT O CH PRESE T ).
"
Key operation of the SERVICE MENU
[Enter to SERVICE MENU]
Press the DI SPLAY key and the PICTURE MODE key of the REMOTE CONTROL
UNIT s imult an eou sly. Th en enter the S ERVICE ME N U mod e as sh own in Fig.1 .
[Exit from SERVICE MENU]
When co m plete th e ad j ust me nt wor k , pr ess th e DISPLA Y key to retur n t o th e
SERVICE MENU.
An d th en pr es s the DISPLA Y ke y ag ain, retur n to the n or m al sc r een .
[ Se lec t fr o m SE RV IC E ME NU ]
In SER VI CE M ENU, pr ess t he n umber ( 1 ~6) ke y of th e r emo te c ont ro l un it , to select
an y of th e ad j ustm en t ite ms.
The colours w hi ch se le cte d i te m charact ers a r e ch ang ed .
・・・・・・・ ・・・・・・・・・・
Adjustment of the RF circ uit [Do not adjust].
[Should be OFF].
SE RVICE M EN U
1.IF 2.V/C
.DEF 4.VSM PRESET
5.PRESET
6.SETUP TOUR OFF
1-6 SELECT DISP : EXIT
******
***********
*******
************
**********
*** ** **
*** ** **** ***
*** ** ***** ** **
**.***
****
** ***
** ***** ***
***
******
Fig.1
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
DI SPL A Y k ey
MENU
/ k ey
PICTURE
MO DE k e y
MENU
key
▼/▲
NUMBERS
key
(RM-C90)
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
PICTURE
MO DE k e y
NUMBERS
key
DI SPL A Y k ey
MENU
MENU
▼/▲ key
-/+key
(RM-C364GY)
(RM-C364)
Exc e pt for diffe re nc e in b ody col o ur , the Remot e Co ntr ol U ni
RM-C 36 4G Y and RM-C3 64 ha ve exac tl y t he s am e Fu nctions.
16
No. 52024
Page 17
A
3
A
A
[Method of setting]
1. IF
[1. VCO]
① 1 K ey ・・・・・・・ ・・・・・・・・・・・・・ ・・・・・ Select 1.IF.
② 1 K ey ・・・・・・・ ・・・・・・・・・・・・・ ・・・・・ Select 1.VCO
③ The VCO (CW) screen will be displayed a allow mark when the AFC voltage is at a certain level.
④ DISPLA Y K ey・・・・・・・ ・・・・・・・・・・・ As you press this key twice, you will return to th e SERVIC E M E NU.
[2. DELA Y P OINT]
① 1 K ey・・・・・・・ ・・・・・・・・・・・・・ ・・・・・ Select 1.IF.
② 2 K ey・・・・・・・ ・・・・・・・・・・・・・ ・・・・・ Se le ct 2.DELAY P OINT.
③ ME NU - /+ K ey ・・・・・・・ ・・・・・・・・・・ Set (adjust) the setting valu es o f th e setting it ems.
④ DISPLAY K ey・・・・・・・・・・・・・・・・・・ W hen th is is presse d twice, you will r et urn t o the SE RVICE MENU .
2.V /C, 3.D EF and 4 .V SM PRES ET
① 2~4Key ・・・・・・・・・・・・・・・・・・・・ ・・・ Select one from 2. V/C, 3. DE F an d 4. VSM PRESET.
② MENU ▼/▲ Key ・・・・・・・・・・・・・・ Se lect setting items.
③ MENU -/+ Key ・・・・・・・・・・・・・・・・・ Adj u st th e va lues of t he i tem s .
④ DISPLA Y K ey ・・・・・・・・・・・・・・・・・・ W hen this is pr esse d, re turn t o t he SE RVICE MEN U.
V-21F
V-21FR3
V-21FMG3B
6.SETUP TOUR
① B y pressing th e 6 key, you can ch ange t he ON or OF F ( should be OFF).
(Should be OFF)
%・
The JVC’s logo will be shown about 15 seconds automatically.
② MENU -/+ K ey ・・・・・・・ ・・・・・・・・・・ Select Language.
③ MENU ▼ Key・・・・・・・・・・・・・・・・・ Au to Se arch.
If it is ON , th en y ou tu rn th e TV po we r off , wh en y ou ar e t urn t he TV p ower o n a gain .
No. 52024
17
Page 18
A
V-21F3
A
A
JUS
6.SETU
ON /
(By p
y)
G
(R)
S
U
O
V-21FR3
V-21FMG3B
SERVICE MENU FLOW CHART
SE RVICE M EN U
ERVICE MEN
1.IF 2.V/C
3.DEF 4.VSM PRESET
5.PRESET
6.SETUP TOUR OFF
1-6 SELECT DISP : EXIT
******
****** *****
*******
************
**********
*** ** **
*** ** ** ** ***
*** ** ***** ** **
P TOUR
**.***
****
** ***
** ***** ***
FF
OFF
***
******
ressing 6-ke
SU B ME NU 1. I F
IF
1. VCO
2. DELAY PO INT
1-2 : SELECT DISP : EXIT
SU B ME NU 2. V /C
V/C PAL
1. CUTOFF
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT
(G)
(B)
* **
* **
* **
VCO (CW)
TOO HIGH
ABOV E REFERENCE
BELOW REF ERENCE
TOO LOW
AFT ADJUST
VCO ADJUST
FINE
DELAY POINT UHF
AGC TAKE- OVER
- / + : OPERATE DISP : EXIT
***.**
T REFERENCE
MH z
** *(* *)
** *(* *)
** *(* *)** *(* *)
** *(* *)
** *(* *)
** *(* *)** *(* *)
DISP : EXIT
**
SU B ME NU 3. D EF
DEF
1. VER. POSITION
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT
PAL
***
SUB ME NU 4. V SM PR ES ET
BRI GHT
TINT
COLO UR
HT
BRI
CONT.
SHARP
/ :SELECT
- / + : OPERATE DISP : EXIT
**
**
**
**
**
SUB ME NU 5. P RE SET
18
PRESET
1. C -TRAP FI X
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT
PAL
B/ G
***
No. 52024
Page 19
A
3
A
A
ADJUSTMENT LOCATIONS
V-21F
V-21FR3
V-21FMG3B
TOP
MAIN PWB
F901
CRT SOCKET PWB
TP-47R
TP-47G
T
IC701
(SOLDER SIDE)
U
TP-47B
E1
TP-E
CRT EARTH WIRE
(BRAIDED ASS'Y)
FRONT
IC702
MEMORY IC
DEG
PW
S
TU00 1
IC301
T
1
S
1Pin TP-91(B1)
2Pin NC
3Pin X-ray2
4Pin X-ray1
5Pin TP-E( )
HV
U
HVT
UPPER:FOCUS
LOWER:SCREEN
No. 52024
19
Page 20
A
V-21F3
A
A
)
adjust
V-21FR3
V-21FMG3B
ADJUSTMENTS
B1 POW ER SUPPLY
Item
Check of
B1 Powe r
Measuring
instrume nt
Signal
generator
Supply
DC Vo lt meter
FOCU S ADJUSTMENT
Item
Ad j ust men t
of FOCUS
Measuring
instrume nt
Signal
generator
IF CIRCUIT ADJUS TMENT
Item
Measuring
instrume nt
Test pointAdjustment partDescription
TP-91 ( B1)
####
TP-E (
)
1. Inp ut a whole blac k s ig na l.
2. Connect a DC voltmeter to TP-91(B1) and TP-E (#).
3. M ake sure t hat the vol t age i s DC1 16.5±2.0 V.
Test pointAdjustment partDescription
FOCUS VR
[In HVT]
1. Input a cross-hatch signal.
2. W hil e watch ing the scr e en, adjust the FOCUS VR to make the
ver ti cal and ho ri zonta l l ines as f in e a nd sha rp as possi b le.
3. M ake sure t hat whe n the s creen is d arkened, the l i nes rem ain in
g ood focu s.
Test pointAdjustment partDescription
Ad j ust men t
of VCO(CW
Signal
generator
Remote
control unit
VCO (CW)
TOO HIGH
AB OVE REFEREN CE
JU ST REF ER ENCE
BEL OW R EFERE N CE
TOO LOW
AFT AD JUST
VCO ADJUST
FINE
DISP : EXIT
ADJUSTMENT AT THIS POINT IS USELESS
***.**
MHz
** *(* *)
** *(* *)
** *(* *)** *(* *)
** *(* *)
** *(* *)
** *(* *)** *(* *)
ADJUSTMENT POINT
1. VC O
YE LLOW
Do not
TOO HIGH
ABOVE REFERENCE
J US T R E FE RE NC E
B ELO W RE F E RE NC E
TOO LOW
●Please use signal generator which is correct proof about the
sen ding fr eque nc y.
1. Inp ut th e PA L f ull col o ur b ar (2 10 .2 5MHz) s ig nal .
2. En ter th e SERVICE ME NU.
3. Se lect 1.IF f rom the SERV ICE MENU.
4. Press 1 ke y and s elect 1.VCO.
5. Select VCO ADJUST with MENU ▲/▼ key.
6. Press MENU -/+ key until the colour of t he characters TOO
HIGH ch an ges b lue to ye llow. Then g r ad uall y press th e MEN U
-/+ key u ntil the TOO LOW ch ang es yellow . At thi s t im e, conf irm
th at t he val u e of VCO ADJUST is n ear + 00 .
1. Select AFT ADJUST with MENU ▲/▼ key.
8. Press ME NU -/ + key until the characters JUST REFERENCE
ch ang es bl ue to yellow .
9. Press the DI SPLA Y key three times to return to normal screen.
20
No. 52024
Page 21
A
V-21F
3
A
A
(QAU0287-001)
(QAU0185-004)
(QAU0282-001)
V-21FR3
V-21FMG3B
Item
Ad j ust men t
of DELAY
POI NT
(AGC)
Measuring
instrume nt
Signal
generator
Remote
control unit
DELAY POINT UHF
AGC TA KE-OVER
- / + : OPERATE DISP : EXIT
Test pointAdjustment partDescription
**
DELAY P OINT
(AGC TAKE-OVER)
1. Inp ut a bl ac k an d wh it e sign al (col o ur of f).
2. En ter th e SERVICE ME NU.
3. Select 1. IF f rom t he SERVI C E M EN U.
4. Select 2 . DELAY P OINT b y pr essi n g the 2 key on the remote
control unit.
5. Se t th e set ting val u es of the s et ting items as s hown bel l o w t able .
6. Then adjust the MENU - or + key until video noise disappears.
7. T ur n to oth er chan nel s and make su r e that the re are n o
irregularities.
Setting It e mVariabl e ra ngeInitial se tting v alue
DELAY P OINT
(AGC TAKE OVER)
NT SC 3.5 8
OTHER
0~127
MATSUSHITA
454547
354535
MURATA
ALPS
No. 52024
21
Page 22
A
V-21F3
A
A
(B)
V-21FR3
V-21FMG3B
VIDEO / CHROM A CIRCU IT 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 screen to the optimum condition can be different from the initial setting values.
Do no t c hange the init ial setting values of the set ting it ems not list e d in “ADJUSTMENT”.
Item
Ad j ust men t
of WHITE
BALANCE
(Low light)
Measuring
instrume nt
Test pointAdjustment partDescription
Signal
generator
Remote
control unit
V/C PAL
1. C UTO FF
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT
(R)
(G)
(B)
* **
* **
* **
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
CU TO FF O F F
(H.LINE OFF)
CU TO FF O N
(H.LINE ON)
R. CUTOFF( )
R. CUTOFF( )
▲
▲
R. DRI VE( )
▼
R. DRI VE( )
▼
123
4
7
56
8
9
RGB
1. CUT OFF (R)
CUT OFF (G)
CUT OFF (B)
SCREEN VR[IN HVT]
G .C UTOFF ( )
B. C UTO FF( )
B. D RIV E( )
B. C UTO FF( )
B. D RIV E( )
G .C UTOFF ( )
▲
▲
▲
▲
▲
▲
1. Inp ut a bl ac k an d wh it e sign al (col o ur of f).
2. En ter th e SERVICE ME NU.
3. S elect 2. V/C fr om th e S ERVICE MENU, then selec t 1. CUT OFF
(R), (G) and (B) .
4. Set each value to initial setting value with 4~ 9 keys of the
remote control unit.
5. Press the 1 key of the remote co ntr ol un i t to sh ow the sin gl e
horizontal line on screen.
6. T ur n t he SCREEN VR fully counter-clockwise, then slowly turn it
cl ockw is e to where on e of a red , blu e or gre en co lour is fai nt ly
vis ible.
7. Use keys 4~9 of th e r em ote c ontro l unit an d ad ju s t the oth er 2
col o ur s which e x cept th e ap pea r ed c olo ur to whe re the si n gl e
h oriz o nt al lin e app ears whit e.
8. Turn the SCREEN VR to wher e t he si n gl e h or iz ont al line g lows
fain tly.
9. Press the 2 ke y to turn of f the sin gle horizon tal l ine.
10. Press the DISPL AY key t wice to retu rn to the nor mal scr een.
Adjustment it em
R
G
Variabl e
range
-128 ~+127
-128 ~+127
Initial set ting
value
-50
-501. CUT OFF
B-128~+127-50
Ad j ust men t
of WHITE
BALANCE
(Hi gh light)
Signal
generator
Remote
control unit
2. DRI VE (R
DRI VE ( B)
)
1. Inp ut a bl ac k an d wh it e sign al (col o ur of f).
2. En ter th e SERVICE ME NU.
3. S elect 2. V/C fr om th e S ERVICE MENU.
4. Select 2. DRIVE (R) / (B) with MENU ▼/▲ key, and set each
val u e to ini tial setti ng valu e with 4 a nd 7 or 6 an d 9 keys of th e
remote control unit.
5. Use the keys 4 and 7 or 6 and 9 t o p ro duc e a white scr een
V/C PAL
* **
2. D RIV E
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT
(R)
* **
22
6. Press the DISPLAY key t wice to retu rn to the nomal screen.
Adjustment it em
Variabl e
range
R- 128~+127+0
2. DRIVE
B
-128 ~+127
No. 52024
Initial set ting
value
+0
Page 23
A
V-21F
3
A
A
V-21FR3
V-21FMG3B
Item
Ad j ust men t
of
SUB BRI GHT
Ad j ust men t
of
SUB CONT.
Ad j ust men t
of
SUB
COLOUR ⅠⅠⅠⅠ
Measuring
instrume nt
Remote
control unit
Remote
control unit
Remote
control unit
Test pointAdjustment partDescription
3. BR IG HT1. R eceiv e an y broadc ast.
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom S ERVICE MENU.
4. Select 3. BRIGHT with the MENU ▼/ ▲key.
5. Set the initial setting value with the MENU - / + key.
6. If the brightness is not the best with the initial set value, make
fine adjustment until you get the best brightness.
4. CONT .1. R eceiv e an y bro adc ast.
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom S ERVICE MENU.
1. Select 4. CONT. with the MENU ▼/▲key.
5. Set the initial setting value with the MENU - / + key.
6. If the co ntrast is not t he best with the initial s et value, mak e f ine
adjustment until you get the best contrast .
5. COLOUR[Method of adjustm ent without measuring instrument]
PAL COLOUR
1. R eceiv e a PAL broadc ast.
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom t he SERVI C E M EN U.
4. Select 5. COLOUR with the MENU ▼/▲ key.
5. Se t th e initia l setting value for PAL COLO UR with the MENU
- / + key.
6. If t he co l our is no t th e be st w i th th e in itia l s et val u e, mak e fine
adjustment until you get the best colour.
SECAM COLOUR
NTSC 3.58 COLOUR
NTSC 4.43 COLOUR
1. R eceiv e a SECAM b roadc ast.
2. M ake fi ne adju stmen t of SE CA M CO LOU R as previ ou sly .
1. R eceiv e a NTS C 3.5 8MHz br oadca st.
2. M ake si m ilar fin e ad ju stm ent of NTSC 3.58 CO LOU R as
previ ously .
When NTSC 3.58 adjustment completed, NTSC 4.43 will be
automatically set at t he resp ective values.
No. 52024
23
Page 24
A
V-21F3
A
A
))
g
V-21FR3
V-21FMG3B
Item
Ad j ust men t
of SUB
COLOUR
ⅡⅡⅡⅡ
W
Measuring
instrume nt
Signal
generator
Oscillosc ope
Remote
control unit
Y
Cy
Test pointAdjustment partDescription
TP-47G/R
TP-E (####)
[CRT S OCKET
PWB]
M
5. COLOUR[Method of adjustm ent using measur ing instrument]
R
(A)
PAL COLOUR
B
(-)
0V
(+)
1. Inp ut a PA L full fiel d colou r bar signal (7 5% w h it e).
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom S ERVICE MENU.
4. Select 5. COLOUR with the MENU ▼/▲ key.
5. Set the initial setting value of PAL COLOUR with the MENU
- / + key.
6. C on nec t the os c illosc ope be tw ee n TP -4 7G /R a nd T P- E (#).
7. Ad just PAL COL OU R to br i ng th e valu e o f (A) in the illu stration
to + 12V (W - G). ( Volt age value b et we en (W) an d ( G))
G
SECAM CO LOUR
1. Input a SECAM full field colour bar signal (75% white).
2. Set the initial setting value of SECAM COLOUR with the MENU
- / + key.
3. Ad just SE CAM CO LOUR to b rin g th e v al u e of
illu str ation t o +8V(W-G). (Voltage va lue b etween (W) an d ( G ))
(A)
in the
NTSC 3.58 COLOUR
NTSC 4.43 COLOUR
24
1. Inp ut a N TSC 3. 58 full fi e ld colo ur b ar si gn al ( 75 % whi te).
2. Set the initial setting value of NTSC 3.58 COLOUR with the
MENU - / + key.
3. Ad just N TSC 3.5 8 C OL OUR to bri ng t he valu e of (A) in t h e
illu str ati on to + 11V(W-G). (Voltage value between (W) a nd (G
When N TSC 3.5 8 i s set, NT SC 4. 43 will be automatica ll y s e t at t he
resp ec ti ve val ues .
No. 52024
Page 25
A
V-21F
3
A
A
y
g
(B)
V-21FR3
V-21FMG3B
Item
Ad j ust men t
of TINTⅠⅠⅠⅠ
Ad j ust men t
of TINTⅡⅡⅡⅡ
Measuring
instrume nt
Signal
generator
Remote
control unit
Signal
generator
Oscillosc ope
Remote
control unit
Test pointAdjustment partDescription
6. TINT[Method of adjustment without measuring instrument]
TP-47G/R
TP-E (####)
[CRT
SOCKET
PWB]
NTSC 3.58 T INT
NTSC 4.43 TINT
6. TINT[Method of adjustment using measuring instrument]
NTSC 3.58 T INT
1. Inp ut a N TSC 3. 58 full fi e ld colo ur b ar s igna l (75% white) .
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom S ERVICE MENU.
4. Select 6. TINT with t he ME NU ▼/▲ key.
5. Set the initial setting value of NTSC 3.58 with the MENU - / +
key.
6. If you c a nn ot get th e best tin t wi th the in iti al s ettin g va lue, ma ke
fine adjustment until you get the best tint.
When N TSC 3.5 8 i s set, NT SC 4. 43 will be automatica ll y s e t at t he
resp ec ti ve val ues .
1. Inp ut a NTS C 3.5 8 f ull fi el d colo ur bar signal (75% white).
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom S ERVICE MENU.
4. Select 6. TINT with t he ME NU ▼/▲ key.
5. Set the initial setting value of NTSC 3.58 with the MENU - / +
key.
6. C on nec t the os c illosc ope be tw ee n TP -4 7G /R a nd T P- E. (#).
7. Adjust NTSC 3.58 TINT to bring the value of (B) in the
illustration +9V(W- Cy). ( Volta ge value be tw ee n (W) and (Cy))
W
B
R
M
(-)
0V
Y
C
G
(+)
NTSC 4.43 TINT
When N TSC 3.5 8 i s set, NT SC 4. 43 will be automatica ll y s e t at t he
resp ec ti ve val ues .
No. 52024
25
Page 26
A
V-21F3
A
A
V-21FR3
V-21FMG3B
Item
of SECAM
BL AC K
OFF SET
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
COLOUR
ON
COLOUR
OFF
Measuring
instrume nt
Remote
control unit
Signal
generator
12 3
Test pointAdjustment partDescription
7.SECAM
BL ADJUST
[Method of adjustment using measur ing instrument]Ad j ust men t
1. Inp ut a SE CAM fu ll f i el d c olour b ar sign al.
2. En ter th e SERVICE ME NU.
3. Select 2. V/C f rom S ERVICE MENU.
4. Select 7. SECAM BL ADJUST with MENU ▼/▲ key.
5. Set the initial setting value with the MENU - / + key.
6. Switch the ①ke y (c ol ou r OF F ) an d ②key (c ol ou r ON ) on the
remote contr ol an d ma ke sur e th at th er e is no col o ur on th e
blac k an d w h it e scr ee n.
7. If t he bla ck an d whit e scr ee n i s no t b est with th e init ia l sett in g
value, make fine adjustment until you g et the best black and
white screen .
8. W hi l e w atch ing th e s cr e en, adj us t th e v alu e t o be th e s ame
col o ur b etween O N & OFF b y t en key on t he remote c ontr o l
un it.
9. Press the DISPLAY key t wice to retu rn to the normal screen.
4
7
56
8
9
26
No. 52024
Page 27
A
3
A
A
DEFLECTION CIRCUIT ADJUSTMENT
"
The re ar e 2 m od es of adju stm ent (s ettin g value) ---- -- ① 50 Hz m od e and ② 6 0Hz m od e ----- de pe ndi n g upo n th e kind of s igna ls
(ver tic al freq uenc y 5 0Hz / 60Hz) .
"
When ad j uste d i n mod e ① , mode ② will be automatically set.
The setting (adjustmen t) usin g the REMOTE CONTROL UNIT is made on the basis of the initial setting values.
The setting values which adjust the screen to the opti mum condition can be different fr om the initial settin g values.
V-21F
V-21FR3
V-21FMG3B
Item
Ad j ust men t
of V.HEIG HT
&
V. POSIT I ON
Screen
size
92%
Measuring
instrume nt
Test pointAdjustment partDescription
Signal
generator
Remote
control unit
SU B ME NU 3. D EF
DEF
1. VER. POSITION
50Hz
/ :SELECT
- / + : OPERATE DISP : EXIT
Scre en size
1. VE R. POSITION
3. VE R. HE I G HT
PAL
***
Picture
size
10 0%
1. Inp ut a circle p att ern signal.
2. En ter th e SERVICE ME NU.
3. Select 3. DEF. f rom S ERVIC E MENU.
4. Select 1. VER. POS ITION with the MENU ▼/▲ key.
5. Set the initial setting value with the MENU - / + key.
6. Adjust V and V’ to be equal with the MENU - / + key as sh own in
Fig.2.
7. Inp ut a cr os s -hatc h s ign al.
8. Select 3. V. HEIG HT with the MENU ▼/▲ key.
9. Set the initial setting value with the MENU - / + key.
10. As shown in Fig.1, adjust V E R. HE IGH T and m ake th e vertical
screen size 92% of the pi ctu r e siz e with t he MEN U - / + keys of
remote control unit.
Ad j ust men t
of HOR .
POSITION
Pic ture size 1 00%
Fig.1
Signal
2.HOR. POSIT ION11. Inp ut a circle p attern si gnal.
generator
Remote
control unit
HH"
V
V'
Fig.2
No. 52024
12. Sele ct 2. HOR POSITION with the MENU ▼/▲ key.
13 . Se t th e initi a l sett i ng value of 2. HOR. POSITION with the
MENU - / + key.
14. Adju st 2. HOR. POSITION to make H= H " as sh own in Fi g. 2
with the MENU - / + ke y.
27
Page 28
A
V-21F3
A
A
V-21FR3
V-21FMG3B
Item
Ad j ust men t
of VER. LI N.
& VER .
SCURVE
Measuring
instrume nt
Signal
generator
Remote
control unit
Fig .3
Test pointAdjustment partDescription
4. VER. L IN.
5. VER. S CURV E
TOP
CEN TER
BOTTOM
●●●● Whe n the vert ic al lin ea rit y has bee n deteriorated
remark ably, perform the followi ng steps .
15 . Input a cross -hatch sign al.
16. Sele ct 4. VER. LIN. with the MENU ▼/▲ key.
17. Set the initial setting value of 4. VER LIN. with the MENU - / +
key.
18. Sele ct 5. VER. SCURVE with the MENU ▼/▲ key.
19. Set the initial setting value of 5. VER. SCURVE wit h t h e ME NU
- / + key.
20. Adju st 4. VER. LIN. and 5. VER. SCURVE so t hat th e sp ace s
of each lin e as sh own i n F i g. 3 o n TOP, CENTER and
BOTTOM become uniform.
Make su r e th at th e a dj us t me nt is pr o per l y do ne on t he scre en of
60 Hz mode .
[NOTE]
"
Adjust to make both 50Hz & 60Hz are the same v. size and
fine straight line.
"
When ad j ust aga in, adju st 5 0H z m ode fi r s t.
"
When adjust in 60Hz mode, only 60Hz mode is adjust.
VSM PRESET SETTING
Item
Setting of
VS M
PRES ET
Measuring
instrume nt
Remote
control unit
TINT
COLO UR
BRI GHT
CONT.
SHARP
/ :SELECT
- / + : OPERATE DISP : EXIT
Test pointAdjustment partDescription
TINT
COLOUR
BR IG HT
CONT .
SHARP
1. En ter th e SERVICE ME NU.
2. Select 4. VS M PRESE T from the SERVICE MENU.
3. Se lect BRIG HT with th e P ICTURE MODE ke y.
4. Ad just t he MENU ▼/▲ an d M ENU - / + ke y to b ring the s et
val u es of TI NT
tabl e.
5. R esp ectively select th e VSM PR ES ET mode f or SOFT and
STANDARD, and make similar adjustment as in 3 a bove.
~~~~
SHARP to the values shown in the below
••••VSM PRESET
BRI GHT
**
**
**
**
**
VS M
Setti ng It em
TINT+15
COLOUR+15
BRIGHT+ 15
CONT+30+15+11
SHAR P+15
BRIGHTSTA NDARDSOFT
←
←
←←
←←
←
+12
28
No. 52024
Page 29
A
3
A
A
PURITY / CONVERGENCE ADJUSTMENT
PURITY ADJUST MENT
1. Dem ag ne tize CR T wit h t he dem a gnetiz er .
V-21F
V-21FR3
V-21FMG3B
2. Loos e n th e re tain er scr ew of the d efl ec tion yok e .
3. Remove th e wed ge s.
4. Inp ut a g r een rast er si gn al fr om the signal ge ner at or , an d tur n
th e scr e en to g r een r aste r.
5. Move the deflection yoke backward.
6. Bring t he l o ng l ug of th e p ur i ty m agn ets on the sho rt lu g a nd
p osit ion t hem hor i zon tal ly. (Fi g. 2)
7. Adju s t t he ga p be tween two l ug s so that th e GREEN RAS TER
will come into the center of the screen. (Fig.3)
8. M ove the d eflect ion y oke for ward, and fix th e pos iti o n of th e
deflection yoke so that the whole screen will bec ome green.
9. Ins ert the w e dge t o th e t op side of the def lect io n yo ke s o that it
will not move.
CR T
#
WEDGE
DEFLECTION
YOKE
P
46
P / C
MAGNET S
P/ C MA GN ETS
P : PURITY M AGN E T
4 : 4 P OLES( con vergence m agn ets)
6 : 6 P OLES (con v er gen ce magn ets )
Fig.1
PURITY MAG NETS
10 . Inp ut a cross hat ch sig nal.
11 . Ve rif y tha t th e scr e en is horiz on tal.
12 . Inp ut red and bl ue r ast er sign als , a nd m ak e sure tha t purity i s
prop er ly ad juste d.
Long lug
Short lug
(FRO NT VIEW )
Bring the long lug over the short lug
and position them horizontally.
Fig.2
GREEN RASTER
CEN TER
Fig.3
No. 52024
29
Page 30
A
V-21F3
A
A
V-21FR3
V-21FMG3B
STATIC CONVERGENCE ADJUSTMENT
1. Input a cross hat ch si g na l.
2. Using 4 - po le conver ge nce m agn ets , ove rla p t he re d and bl u e
lines in th e c en ter of th e scr een (Fi g. 1) and tu rn the m to
mag ent a (r ed/ blue ).
3. U sing 6 - pol e con ver ge nc e ma gn ets , overlap the
mag ent a( re d/b lue) a nd g r een li nes in t he c en ter of the screen
an d t urn t hem t o whit e.
4. Rep eat 2 and 3 ab ove, an d ma ke b est c onve rge nce.
DYNAMIC C ONVERGENCE ADJUSTMENT
1. Mov e th e def lec tion yok e up an d down and o verlap th e lines in
the periphery. (Fig . 2 )
2. Move th e defl ec ti on yoke left to righ t and over lap t he l in es in the
p erip hery. (Fig. 3)
3. Rep eat 1 and 2 ab ove, an d ma ke b est c onve rge nce.
(FRO NT VIEW )
(FRO NT VIEW )
BLUE
GREEN
RED
Fig.1
GREEN
BLUERED
RED
GREEN
BLUE
●
After ad justm ent, f ix the wedge at the original p osition.
Fas t en the retainer screw of th e def lecti on yoke .
Fi x the 6 magn ets with g lue.
(FRO NT VIEW )
GREEN
RED
BLUE
GREENREDBLUE
Fig.2
Fig.3
BLUE
GREEN
RED
RED
GREEN
BLUE
BLUE
GREEN
RED
30
No.52024
Page 31
A
3
A
A
REPLACEMENT OF CHIP COMPONENT
!
CAUT IONS
1. Avoid heating for more than 3 seconds.
2. Do not ru b t he elec t ro des an d t he r esist p arts of the p att ern.
3. When r em oving a c hip par t, mel t th e s older adequ atel y .
4. Do not r eus e a ch ip p ar t afte r re movi ng it .
! SOLDERING IRON
1. Use a hi g h ins ulati o n s older ing i r on with a t hin po in ted end of it .
2. A 3 0 w s older i ng i r on is r ecommend ed for easily r em oving par ts.
! REPLACEMENT STEPS
1. How to remove Chip parts
$$$$ Resi st o rs, capacitors , et c
(1) As s h own in t he f ig ur e, push th e pa rt with tw ee zer s and
alte rn at ely m elt th e sol de r at each en d.
(2) Sh if t w i th tweez e rs and r emo ve th e ch i p p ar t.
$$$$ Trans isto rs, dio d es , va ria bl e r esistor s, etc
(1) Ap pl y e xt ra s o ld er to each le ad .
SOLDE RSOLD E R
V-21F
V-21FR3
V-21FMG3B
2. How to install Chip parts
$$$$
Resi st ors, ca pacitors , et c
(1) Apply sold er to the patt ern as ind icated in the fi g ure.
(2) Gr asp t he c h i p p art with tweezer s and pl ac e it on th e s ol d er.
The n hea t and me lt th e so lder a t b oth ends of t he chip part.
$$$$ Tran s ist ors, diodes , varia bl e res ist or s, et c
(1) Apply sold er to the patt ern as ind icated in the fi g ure.
(2) Grasp the ch ip p art wit h t we ez e rs and p lace it on th e so l der .
(3) First s older lead A as indicated i n t he figu re.
A
(2) As s h own in t he f ig ur e, push th e pa rt with tw ee zer s and
alte rn at ely m elt th e sold er a t each le ad. S hi ft an d r em ove t he
chip part.
(4) The n solder le ads B and C.
Note : A fte r re moving t he part , remove r emaining solder fr o m the
pattern.
C
A
C
No.52024
B
B
31
Page 32
A
V-21F3
A
A
V-21FR3
V-21FMG3B
32
No.52024
Loading...
+ hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.