JVC AV-32D203/M, AV-32D203/R, AV-32D203/Y, AV-32D303/M, AV-32D303/R Service Manual

...
SERVICE MANUAL
COLOR TELEVISION
AV-32D503 AV-32D303 AV-32D203
BASIC CHASSIS
[RM-C252]
AV-32D303, 203
[RM-C251]
AV-32D503
AV-32D503 AV-32D303 AV-32D203
/Y /R /M
/Y /R /M
/Y /R /M
GE

CONTENTS

SPECIFICATIONS
SAFETY PRECAUT IONS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
! FEATU RES・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ !
FUN CTIONS
MAIN DIFFERENCE LIST ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
! HOW TO INDENTIFY MODELS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ !
SPECIFIC SERVICE INSTRUCTIONS
SERVICE ADJUSTMENTS ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
! PARTS LIST ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
STAND ARD CIRCUIT DIAGRAM
1
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COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
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2- 1
2
4
8
No.519 47
May 2002
A
V-32D503
A
A
y
V-32D303 V-32D203

SPECIFICATIONS

ITEMS CONTE NTS
Dimensions (W××××H××××D) 33 - 7/8 ”×27×21- 5/8 ” (859 m m×68 4mm ×548mm )
Mass 11 4.4 Ibs / 52 .0kg
TV System and Color system
TV RF System CCIR(M)
Color System NTSC-M
Sound System BTS C (Multi Channel S ound )
TV Receiving Channels and Frequency
VL B and (02~06 ) 5 4M Hz~88 MHz
VH Ba nd (07~13 ) 1 74M H z~21 6MHz
UH F Ba nd (14~69 ) 4 70M H z~80 6MHz
CATV Re cei ving Channels and Frequenc
Low Band (02~06 , A- 8) by ( 02~06 &01 )
High Band
Mid Band
Super B and
Hyper B and
Ul tra Ba n d
Sub Mid Band (A8, A4A1) by (01, 9699)
TV/CATV Total Channel 18 0 Chan nel s
Intermediate Frequency
Video IF Carrier 45.75 MHz
Sound IF Carrier 41 .25 MH z (4.5MHz)
Color Sub Carrier 3.5 8 M Hz
Power Input 12 0V A C, 60Hz
Power Consumption
Picture Tube 32 ” ( 80cm) measur ed diagonally, Fu ll S quar e Hi gh V ol ta ge 31 kV ±1.3k V ( at zer o beam c ur r ent) Speaker 2”×4-3/4 ” ( 5×12 cm) Oval type ×2
Audio Power Output 5W+5W
Input termi nals
INPUT1 Vide o 1V p-p, 75Ω, RCA pin
S-Video Mini din 4 pin
Audio L/R 50 0mV rm s (-4dBs), h ig h i mp edance, RCA pin
INPUT2 Vide o
Component (Y, Pb, Pr)RCA pin
Audio L/R 50 0mV rm s (-4dBs), h ig h i mp edance, RCA pin
INPUT3 Vide o 1V p- p, 75 Ω, RCA pin
Audio L/R 50 0mV rm s (-4dBs), h ig h i mp edance, RCA pin
Audio Output 50 0mV r ms ( -4 dBs), low Imp edanc e, 1k Hz wh en m odul ated 100%, R CA pi n AV Compu linkⅢⅢⅢ in t erface 3.5 mm mini jac k Antenna terminal 75 Ω (V HF/UHF) Termin al , F -Type C on nector
Remote Control Uni t
(0713 ) b y (0713 ) (A~1) by ( 14 ~22 ) (JW) by (23~36) (W+1W + 28) by ( 3764 ) (W+29W+ 84) by (65 125)
13 3W [A V-32D 50 3]
12 8W [A V-32D 30 3, AV-3 2D 203 ]
Y : 1V p-p, ne gative syn c provide d w hen t erminated with 7 5Ω C : 0.2 86V p-p, b urst signal w hen termi nated wi th 75Ω
1V p- p, 75 Ω, RCA pin
Y : 1V p- p, ne gative sync provide d w hen t erminated with 7 5Ω Pb/Pr : 0.7 Vp-p, 75Ω
RM-C 251 (A A/R6/UM -3 batter y×2) [A V-3 2D503 ] RM-C 252 (A A/R6/UM -3 batter y×2) [A V-3 2D303 , AV -3 2D 203 ]
(54MHz~80 4MHz)
Design & specifications are subject to change without notice.
2
No.51947
A
3
A
3
A
3

SAFETY PRECAUTIONS

V-32D50 V-32D30 V-32D20
1. The d es ign of t hi s p ro du ct c ont ains s pec ial h ardware, m an y ci rcu its and c o mp on ent s s peci al l y for saf ety pur p oses. F or continued protection, no changes should be made to the origina l des ign u nless a uth or i zed in wri ting by t he man ufactu re r.
Replacem en t par ts m ust be id ent ic al t o t hos e used in th e origina l circui t s. S er vic e s ho ul d be perf or me d b y qu ali fied p ers onnel o nly.
2. Al te rati on s of th e des i g n o r circu itr y of the p rodu cts s hou ld n ot b e m ad e. A ny de sign alte ra tions or ad di ti o ns will vo id th e
manufacturer's warranty and will further relieve the manu fac t urer of resp ons ibi lit y f or pe rs ona l i n ju r y or p r ope rt y d am age r esult ing t heref rom .
3. M an y e lectrical an d mec h an ic al pa rt s in th e produ cts h ave sp ecial s af ety-r elat ed charact eris tic s. Th ese charac teri sti cs ar e
oft en not e vid en t fr om visu al in spe ction no r can t he prote cti on aff orde d by th em n ecess ar ily be o bta ined b y usi ng replac ement compon ent s rated for h ig her vo l tag e, wa ttage, etc. Replacem en t pa rt s wh ic h h ave t hes e sp ec ial s afet y ch aracter istics a re i d entifi e d in th e par ts l ist of S ervic e man ua l.
Electrical components having such features are identified by shading on the schematics and by (!!!!) on the parts list
in S erv ice manual. Th e us e of a su bst itu te re plac emen t whic h
does not have the same saf ety characteristics as the reco mmen ded replac emen t pa rt sho wn i n the pa rts lis t of Se rvi c e ma nu al m ay c ause sh ock, f ire, or o th er haz ards.
4. U se isola tio n tr an sf orme r when hot c hass is . The chassis and any sub-chassis con tained in s ome products are c onnect ed to on e side of th e AC p ow er l i ne . An i sola ti on tr ansf or m er of ad equ ate cap acity sh ould be inser t ed bet ween th e p rodu ct and t he AC p ow er s u pp ly p oi nt while p er for m i ng
an y ser vice on so me pr oducts when th e H OT ch assis is exp ose d.
5. Don't shor t between the LIVE side ground and I SOLATED
(NE UTRAL) side ground or EARTH side ground when repairing.
So m e mod el 's p ow er c irc ui t is par t ly dif feren t in the GND. Th e diff er enc e of t he GN D is s h ow n by th e LI VE : (") side GND, th e ISO LAT ED(NEU TRAL) : (#) side GND an d EAR T H : ( $) si de GND. Don 't sho rt be tw ee n t he LIVE s id e GN D a nd ISO LATE D(N EU TR AL) si de GN D or EART H si de GN D and never measure with a measuring apparatus (oscilloscope etc.)
th e LI VE s ide GND a nd ISO LATED( N EUTRA L) si d e G ND or EARTH sid e GND at the s ame time. If above note will not be kept, a fuse or any parts will be broken.
6. If any re pa ir h as b ee n mad e to th e c h assi s , i t i s re c om m end ed th at t he B1 se tti n g s h ou ld b e chec ked or ad jus te d (S ee
ADJUSTM ENT OF B 1 POW E R SUPPLY).
7. The hi g h v olt age a pplied t o the pictu re tu be mu st co nform wi th that specified in Service manual. Excessive high voltage can cau se an incr ease i n X- R ay e mi ssi on , arc in g an d possib l e com po nent d am ag e, th eref or e op er atio n un der ex cess ive hi gh
vol ta ge c ond it i ons sh ou ld be ke pt to a min i mu m, or sh ou ld be preve nt ed. I f seve re arc ing occu rs, r em ove th e AC p ower immediately and determine the cause by visual inspection (incor r ec t i nsta lla ti on , crac ked o r m el te d high vol tag e har ness, p oor s olde rin g, etc. ). T o ma in ta in the pr op er mi ni m um l e v el of
sof t X- R ay e miss ion , c om p one nts in th e hi g h vol tag e ci r cuitr y incl ud i ng the pi ctu r e tu be mu s t be the ex a c t r ep lac em en ts or alte rn at ives a ppr o ved b y th e ma nuf actu r er of th e c o mp l ete prod uct.
8. Do n ot c hec k high vol ta ge by d r awing a n ar c. U s e a hi gh vol ta ge m ete r or a hi gh volt age p ro be wi th a VT VM . Disch arge
th e p ictu r e tu be bef ore a tte mp ti ng meter co nne cti on , b y con nec ting a cl i p lead to th e gr ou nd frame a nd con n ec ti ng t he oth er e nd of t he lead th roug h a 10 kΩ 2W resist or to t he ano de
bu tto n.
9. W hen s e rvice is r equ i r ed, ob s er ve th e orig inal l ea d dress . Extra p r ecau ti on s h ou ld be giv en to assu r e cor re ct lea d dr es s in the hi gh volta ge c ir cu it ar ea . W her e a sh ort ci r cuit ha s occu rr e d, th ose c ompon en ts th at i nd ic ate ev i den c e of overheating should be replaced. Always use the
manu fac t urer 's r epl ace m ent com p onents.
10 . Isolation Check
(Safety for Electrical Shock Hazard)
Af ter r e- a s sembling th e pr od uct , always pe rf or m an is o l ation ch eck on th e expo sed m eta l p ar ts of th e c abi n et ( ant en na
ter m i na ls, vide o/a udio input and out put t er mi n al s, C on trol knobs, metal cabinet, screwheads, earphone jack, control sh afts, etc.) to be s ur e th e pr o duc t is saf e t o op er at e wi th out d ang er of elect ri ca l shoc k.
(1) Di electric Strength Test
The is olat ion b etwe en the AC primary c ircu it and al l m eta l parts exp osed t o the us er, par t icu l ar l y an y ex po sed metal p ar t h aving a re tur n pat h to the ch as sis sh ou ld w i ths t and a volta ge of 11 00V AC ( r .m .s.) f or a p eri od of on e sec ond.
(. . . . Withstand a volta ge of 1100 V A C (r.m.s.) to an applian ce
rate d up to 1 20V , and 3 000V AC ( r .m. s.) t o an appl i anc e ra ted 200V or more, for a period of one second.) Thi s m eth od of test r e qu ires a t es t eq uip ment n ot g en er ally fou nd in t he servi c e t ra de.
(2) Leakage Current Check
Plug t he A C line cord direct ly i nt o th e AC ou tlet ( do not u s e a line is olation transf ormer during t his che ck.) . Using a " L eakage
Current Test er", m ea s ur e t he leakag e cur r en t fr om each exp ose d m eta l par t of th e c a bi ne t, p ar tic ul ar l y an y expo sed metal part having a retu rn path to t he ch assis, to a kn own good ea rt h gr o und ( water p ipe, etc.) . A ny l ea k ag e c ur r en t must not
exce ed 0.5m A AC ( r .m. s.) . Howev e r, in t ro pical a rea, this m ust no t e xc eed 0 .2m A AC (r.m.s.).
"""" Alte rn at e Che ck M et hod
Plug t he A C line cord direct ly i nt o th e AC ou tlet ( do not u s e a line isolation transformer during this check.). Use an AC
vol tm et er h av i ng 100 0 ohm s per vol t or m ore s en s iti vity in the follo win g ma nne r. Connec t a 1 50 0Ω 1 0W resi s tor pa ralle l ed by a 0.15μ F AC-typ e cap acitor b etwe en an exp ose d m eta l p art and a k no wn go od earth gr ou nd (wate r pi p e, et c .).
Measu re th e A C vo ltag e acr os s th e r esist or wit h t he AC voltmeter. Move the res istor connection to each exposed metal part, particularly any exposed metal part having a return path to
th e ch assis , an d m ea sur e t he A C volta ge acr oss th e r esisto r. Now, reve rs e the plu g i n t he A C out let a nd r ep e at e ach measu rem ent. An y volta ge measu red m us t not exce ed 0.7 5V AC (r.m. s.) . This corresponds t o 0 .5 mA AC ( r.m.s.). Howev e r, in tr op ic al ar ea, this m ust n ot excee d 0.3V AC (r.m.s.). This corr esp on ds t o 0 .2mA A C (r.m.s.).
AC VOLT METER (HAVING 1000 Ω/V,
GOOD EARTH
GR OUND
11 . High voltage hold down circuit check.
Af ter rep ai r of th e high vol t age h ol d d own c i r cuit, th is ci rcu it sh all be c hec ked to op er ate cor rectly. See item "Ho w to check the high voltage hold down cir cuit".
This mark shows a fast operating fuse, the
letters indicated below show the r ati ng.
0.15μF AC-T YPE
1500Ω 10W
OR MOR E SENSIT IVITY)
PLACE THIS PROBE ON E A C H EX PO SE D
ME T AL PA RT
A V
No. 51947
3
A
V-32D503
A
A
V-32D303 V-32D203

FEATURES

"
Ti tle T EL E-T EXT br oa dcast of C 1, C2, T1 , a nd T 2 f ormu l a i s rece ivable.
" The voice multiplex function of the MTS s ystem is built in. "
By t he TH EATE R PR O funct ion, a r ea l it y to w hich i t is view i ng and l i sten i ng in th e movie t he ater c an be tas ted .
"
By t he EZ SURF f uncti o n, c h ann el ID a nd a prog ra m na me are di splaye d in the scr een auto ma tic all y [ Only f or AV- 32D 50 3].
"
By t he CO MP U LI N K Ⅲ fu ncti o n, op erati on int erlock ed w it h the DV D de ck c an b e per formed fr om r em ot e co ntr ol .
"
By the three-line digital comb filter, the refreshed image can be seen.
" Tw o p ro gram s ca n be d is playe d on th e s cree n b y th e 2 tun er PI P ci r cuit [O nly f or AV-32 D 50 3]. "
Exp ressi on of a f avor i te scre en can be ch osen b y the VIDE O STA TUS fu nction .
" A program c an be enjoyed with a powerful sound by the HYPER SURROUND function. "
Sinc e the V chip is built i n, i t c an cho ose, view a nd l ist en to a h ealt hy pro gram .
" The RETURN P LUS f unct i on is bu ilt in . "
A q ui ck f avorite prog r am c an be look ed for b y th e HYP ER- SC AN fun ctio n.
"
Since the co mp on ent si gn al inp ut t ermi n al i s e qui p pe d, it r ea pp ears dir ect with out deter ior a ting the si gn al fr om D VD,.

FUNCTIONS

REMOTE CONT RO L UNIT (RM-C2 51, RM-C2 52)
This illustration is written about RM-C251. There are no buttons of EZ SURF and PIP in the RM-C252.
20
21
1
VCR / DVD KEY
1
TV / CATV KEY
2
20
13
21
3
4
14
5
6
7
8
15
9
10
16
2
INPUT KE Y
3
DISPLA Y KE Y
4
SLEEP TIMER KE Y
5
HYPER SURROUND KEY
6
VIDEO STATU S KEY
7
TH EATE R PRO KEY
8
BB E KE Y
9
MUTING KEY
10
11
VOL U ME -/ + an d
CURS OR / KEY ( In t he ME NU scr een )
17
MENU KEY
12
11
12
18
19
POWE R KEY
13
CHANNEL NUMBER KEY
14
LIG HT KEY
15
V-CHI P K EY
16
17
CHANNEL +/- an d
CURSOR ▲/ ▼ KE Y ( In th e MEN U sc r ee n)
EX IT KE Y
18
VCR CONTROL KEY
19
EZ SU RF KE Y [Only f or RM-C 25 1]
20
PIP CON TRO L K EY [O nl y f or R M- C25 1]
21
4
No. 51947
A
A
A
FRONT PANEL CONTROLS
1 2 3 4 5 6 7 8
V-32D503 V-32D303 V-32D203
INPUT 3 VIDEO TERMINAL
INPUT 3 AUDIO L TERMINAL
INPUT 3 AUDIO R TERMINAL
MEN U KEY, MENU ▼ KEY
CHANNEL -/+ KEY S
MENU / KEYS
REAR TERMINAL
1
2
VOLUME /+ KEY
POWER KEY
ON TIMER / POWER LED
3 4 6 5
INPUT 1 TERMINAL (S-VIDEO, V, L, R)
INPUT 2 TERMINAL (V, L, R )
AUDIO OUTPUT TERMINAL
AV COMPULINK Ⅲ TERMI N AL
ANTENNA TERMINAL
B
INPUT2 COMPONENT SIGN AL TERMINAL (Y, P
No. 51947
, PR)
5
A
V-32D503
A
A
)
)
)
V-32D303 V-32D203

MAIN DIFFERENCE LIST

PARTS NAME MODEL /Y /R /M
ITC TUBE
(Inc. D Y, PC MAGNET,
MAIN PWB SGE-1003A-M2
CRT SOCKET PWB SGE-3004A-M2 SGE-3007A-M2 SGE-3006A-M2
PIP PWB SGE-5001A-M2
E-COAXIAL ASSY WJX0014-002A
CO NTROL K NOB LC2021 7-00 5B-A
JVC MARK CM48006-007-C
FRONT CA BI . ASSY LC1064 1-00 5B-A
DOO R LC2040 9-00 5B-A
REM OC O N UN IT
ITC TUBE
(Inc. D Y, PC MAGNET,
MAIN PWB SGE-1006A-M2 SGE-1028A-M2 SGE-1027A-M2
CRT SOCKET PWB SGE-3004A-M2 SGE-3007A-M2 SGE-3006A-M2
PIP PWB ×× ×
E-COAXIAL ASSY ×× ×
CO NTROL K NOB LC2021 7-00 5B-A
JVC MARK CM48006-007-C
FRONT CA BI . ASSY LC1064 1-00 5B-A
DOO R LC2040 9-00 5B-A
REM OC O N UN IT
ITC TUBE
(Inc. D Y, PC MAGNET,
MAIN PWB
CRT SOCKET PWB SGE-3004A-M2 SGE-3007A-M2 SGE-3006A-M2
PIP PWB ×× ×
E-COAXIAL ASSY
CO NTROL K NOB LC2021 7-00 1C-A
JVC MARK CM48006-006-C
FRONT CA BI . ASSY LC1064 1-00 1G-A
DOO R LC2040 9-00 1D-A
REM OC O N UN IT
WEDGE
AV-3 2D50 3
WEDGE
AV-3 2D30 3
WEDGE
AV-3 2D20 3
A80AKB50X04 A80AEJ15X01 A80JUA061X06
SGE-1022A-M2 SGE-1021A-M2
RM-C 251- 1H
A80AKB50X04 A80AEJ15X01 A80JUA061X06
RM-C 252- 1H
A80AKB50X04 A80AEJ15X01 A80JUA061X06
SGE-1006A-M2 SGE-1028A-M2 SGE-1027A-M2
×× ×
RM-C 252- 1H
6
No. 51947
A
V-32D50
3
A
3
A
3
V-32D30 V-32D20

HOW TO IDENTIFY MODELS

How to r ec ogn i ze fr om th e ap p ear an ce of th e mo de l co ncern ed i s wr itt en b el o w. Ple ase dist ingu is h f r om se veral c ont ents cu rren tl y printed on th e r at ing l a bel.
Model Name
Detailed Model Name
Model Name Detailed Model Number
AV-32D503 /Y Y
AV-32D503 /R R
AV-32D503 /M
AV-32D303 /Y Y
AV-32D303 /R R
AV-32D303 /M
AV-32D203 /Y Y
AV-32D203 /R R
AV-32D203 /M
AV-32D503
AV-32D303
AV-32D203
M
M
M
No. 51947
7
A
V-32D503
A
A
C
V-32D303 V-32D203

SPECIFIC SERVICE INSTRUCTIONS

DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
"
Unplug t he power plu g.
1. As s hown in Fig.2 , r emove the 12 scr ews marked
2. Remove the rear cover toward you.
Note :
When re i nsta lling th e rear cov er , c are fu lly pus h it inw ar d af ter inserting the chassis into the rear c over groove.
!!!!
.
REMOVING THE CHASSIS BASE
"
After removing the rear cover.
1. Slight l y r ai se th e bot h s ides of th e chass is bas e b y ha nd , and
remove the 2 cl aw s m ar ked "
sides of the chassis from the chassis rail.
2. As sho wn i n F ig .1, dra w t he ch as sis base b ackward al on g t he
chassis rail m arked #
(If necessary, detac h the wire clamp, connec tor’s etc.)
Note :
When con du cting a c hec k with po we r sup pl i ed , b e su re to conf irm th at th e CRT ea rt h wire i s c onn ect ed to the CRT SOCKET P W B
an d t he MA IN PW B .
#in the arrow dire ction marked $$$$(Fig.2.).
##
" ( Fig. 1 a nd F i g.2 ) unde r th e both
""
REMOVING THE TE RMINAL BOARD
" After removing the rear cover.
1. As s hown in Fig.2 , r emove the 4 screws marked%&
2. When you pu ll ou t th e TE RMIN AL BOARD, it ca n b e re mo ved .
%&
%&%&
.
REMOVING THE SPEAKER
" After removing the re ar cover and chassis base.
1. As s hown in Fi g.2 , r em ove t he 4 screws marke d )
2. F ol low th e s ame st eps wh en rem ovin g the oth er h and spe ake r.
).
))
CHECKIN G THE MAIN PW BOARD
1. T o ch eck the ba ckside of t he MA IN PW Boar d. (1) Pu ll ou t th e c has sis b as e . (Refe r to RE MO VING T HE
CHA SSIS BASE) .
(2) Erect the chassis vertic ally so t hat you can easily check from
the backside of the MAIN PWB.
CAUTION
" W hen er ec ti ng th e chass is, be c arefu l so t hat the r e will be n o
con tact in g with ot her P WB.
" Be for e tu rn i ng on po wer , make s ur e th at th e C RT e ar th w ir e and
oth er co nn ec to rs are p ro per l y co nn ecte d.
WIRE CLAMPIN G AND CABLE T Y ING
1. Be sure t o clamp th e wir e.
2. N ever remo ve th e cable ti e used f or tyi ng the w i re s to gether.
Sh oul d it be i n adv e rt ent l y rem ove d, be su r e to tie the wires with
a n ew c able tie.
REMOVING THE FRONT CONTROL PW BOARD
"
After removing the re ar cover and ch assis base .
1. As s hown in F ig.2, rem ove t he 2 screws marked '
FRONT CONTROL PWB with th e front cabin et.
2. Then remo ve th e FRONT CONTROL PW B.
'att ach ed the
''
REMOVING THE FRONT AV IN PW BOARD
" After removing the rear cover and chassis base.
1. As s hown in Fig.2 , remove the 2 screws marked
2. Then remo ve th e FRONT A V IN PW B.
((((
.
FRONT CABINET
MAIN PWB
CHASSIS BASE
B
Fig. 1
8
No. 51947
A
V-32D50
3
A
3
A
3
V-32D30 V-32D20
FRONT CABINET
H
FRONT CONTROL PWB
CRT
SP EAKER
H
CRT SOCKET PWB
FRONT AV IN PWB
F
G
CLAW
POWER CORD
MAIN PWB
B
HV T
CHASSIS BASE
SP EAKER
A
CLAW
B
AV SE LECTOR
D
PWB
PIP PW B
[Only for A V -32D 50 3]
REAR COVER
No te
Thi s ill ustr a tion de scrib es ab out A V- 32 D503 .
Alth ou gh t he AV- 3 2D30 3 a nd AV -32D2 03 a r e sl ig htl y di ff erent from t his illus tr ati on , it can u se for
AV -3 2D 30 3 and AV- 32 D 20 3 in the s am e s tep s as this illustration.
TERMINAL BOARD
E
Fig.2
No. 51947
9
A
V-32D503
A
A
SYS0
O
A
V-32D303 V-32D203
MEMORY IC REPLACEMENT
1. Memory IC
This model uses the memory IC. Thi s m em or y IC st ores d ata f or pr oper o pera tion of the vide o/ch ro ma a nd d eflecti o n c ircui ts.
When r ep la c ing, be sure to use th e IC c ont ai ni n g i ni ti a l se tting data .
2. Memory IC replacement procedure
(1) Power off
Switch off th e pow er an d di s con nec t th e p ow er plu g f rom t he AC ou tlet.
(2) Replace the memory IC
Be sure to use the memory IC written with the initial setting values.
(3) Power on
Connect th e pow er pl u g t o the AC ou tl et an d switch on th e pow er .
(4) System constant check and setting
Press the SLE EP TIMER ke y and se t SL EEP TIMER f or 「0 min」.Be for e di s a pp ear t he d is pl ay of SL EEP TIM ER sett ings, s imu l tan eo us ly pr ess
the DISPLA Y ke y and VI DE O STATUS ke y of the remote control unit.
The SERVICE MENU screen of Fig.1 will be displayed.
While the SERVICE MENU is dis played, s elect the SYSTEM(SYS) item with
CURSOR / key and g o int o with / key s. Then t he S YST EM mo de
scr een w i ll b e di splaye d as sh ow n in F i g.2 .
Refe r to th e ta ble of SY STEM CON ST AN T given in p age later , an d chec k the
each ite m. If th e va lue is d iffere nt , s elect the sett ing it em with the CURSOR
/▲key, an d s ett ing wit h t he CURSOR / keys . (T he l ett er s of t he sel ec ted
item are displayed in yellow.)
When adj us tm ent has com pl et ed, th e val u es st or e i nt o memory IC
automatically.
Press the EXIT ke y twice to return to th e n orm al screen.
SE RVICE MENU
SERVICE MENU
1.V/C(S) 2.DEF(D)
3.SOUND(A) 4. O THERS
5.PIP(PIP) 6.3L Y/C(LYC)
7. LO W LIG HT 8. HIGH LI G HT
9.RF AFC 10.VCO
2
C BUS 12.SYSTEM(SYS)
11.I
SELECT BY OPERATE B Y EXIT BY
Fig.1
12. SY STE M (SY S) MODE
1 VI DE
Fig.2
EXIT
***
(5) Receiving channel setting
Refe r to the O PERATI NG INSTRUCTIONS and s et the r ec eive channels (Channels Preset) as described.
(6) User settin gs
Check th e u s er se tting it ems acc ording to th e Ta bl e 2 g iven in pag e later. Wher e t hese d o not agr e e, r ef er t o t he OP ERATING
INSTRUCT IONS an d s et t he i tem s as desc rib ed.
(7) SERVICE MENU setting
Ve rif y wh at t o se t in th e SE RV IC E M ENU , a nd s et what ever i s necessary (F ig.1 ) . Refer to th e S ERVIC E A DJ USTMENT for se tting.
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
Setti ng fo r “0 min”
Simulta neo usly p us h
Go into th e ite m
Setti ng the va lue
③, ④
Se le ct t he it em
lth ou gh t hi s i llus tr ati on of re mo te c ont rol unit is w r i tten ab ou t
RM-C251 (AV-32D503), it can use for operating RM-C252 (AV-
32D303, 203) as same key assignment.
EXIT from
SY STEM m od e
10
No. 51947
A
3
A
3
A
3
VALUES OF SYSTEM CONSTANT (TABLE 1)
V-32D50 V-32D30 V-32D20
ITEM CONT ENTS VARIABLE RANGE
SY S01 VIDEO IN 0~4
SY S02 PIP 0~1
SY S03 3D Y/ C 0~1
SY S04 Y C V 0~1
SY S05 C CD PC HK 0~1
SY S06 PU R ITY 0~1
SY S07 VM 0~1
SY S08 N OISE CR 0~1
SY S09 C LR TEM P 0~1
SY S10 T HEATE R 0~1
SY S11 T HEATE R PRO 0~1
SY S12 BB E 0~1
SY S13 HYP SURR 0~1
SY S14 16:9 MD 0~1
SY S15 HYP S CA N 0~1
SY S16 EZ SUR F 0~1
SY S17 ID DISP 0~1
SY S18 COMPULINK 0~1
SY S19 CCD 0~1
SY S20 VCHIP 0~1
SY S21 VCHIP CA 0~1
SY S22 JVC L OGO 0~1
SY S23 CMP IN 0~1
INITIAL SETTING VALUE
AV-32D503
33
10
00
11
11
00
00
00
11
11
11
11
11
00
11
10
11
11
11
11
11
11
11
AV-32D303, 203
SY S24 CXA1 87 5 0~10 0
No. 51947
11
A
V-32D503
A
A
V-32D303 V-32D203
VALUES OF USER SETTING ITEMS (TABLE2)
Setting of switches on fr ont panel and remote control unit
ITEM INITIAL SE TTING VALUE ITEM INITIAL SETTING VALUE
POWE R OFF DISPLA Y OFF
CHA NNEL CABL E CH-0 2 VIDEO STATU S DYN AM IC
VOLUME 10 PIP SOURCE CABLE CH-04 [Only AV-32D503]
INPUT TV PIP POS ITION Left lo wer side [Only A V-32D503]
HYPE R S U RROU ND OFF SLEEP TIMER 0
BB E ON
Setting of MENU scr een
PICTURE ADJUST INITIAL SETUP
TINT CENTER LANGUAGE ENG
COLOR CEN TER FR ONT PAN EL LO CK OFF
PICTURE +8 V2 COMPONENT-IN NO
BRIGHT CENTER AUTO SHUT O FF OFF
DETAIL +10 XDS I D ON
COLOR TEMPERATURE HIGH CLOSED CAPTIO N OFF
NOISE M UT ING ON CAPT IO N : CC1
TEXT : T1
SOUND ADJUST AUTO TUNER SET UP TUNER MODE : CABLE
BA SS C EN TER CHA NNEL SUMMARY Unn ecess ar y to set
TREBLE CENTER V-CHIP OFF
BALANCE CENTER SET US TV RATINGS ALL CLEAR
MTS STEREO SET MOVIE RATINGS ALL CLEAR
CLOCK / TIMERS SET CANADIAN RATINGS ENG ALL CLEAR
MANUAL SET CANADIAN RATINGS FRE ALL CLEAR
SE T CLOC K
ON/OFF TIMER OFF
TIME ZONE : PACIFIC UNRA TED VIEW
D.S.T : OFF SET LOCK CODE “0000”
12
No. 51947
A
3
A
3
A
3

SERVICE ADJUSTMENTS

BEFORE STARTING SERVICE ADJUSTMENT
1. There are 2 wa y of a dju sting t his TV: One is with t he remote control unit 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 initial setting v alue s. The sett ing va lues which adjust the screen to its optimum condition may differ
from the init ia l s etting v al ues.
3. Make s ur e th at c onn ect i on i s c orrec t ly ma de t o AC p ower
source.
4. Turn on the p ower of th e se t an d equipmen t bef or e us e, an d
start t he ad ju stm en t proc edure s af ter waitin g at least 30 mi n utes.
5. Unless ot her wi se spec if i ed, p r ep are th e mo st suita bl e r ec epti o n
or inp ut sign al for adjust ment.
6. Never touc h an y ad j ustm en t part s, wh ich ar e n ot sp ecif ie d i n the
list for this adjustment VRs, transforms, condensers, etc.
7. Pr ep arati o n f or ad justm en t
Unless otherwise specified in the adjustment instructions, preset the following functions with the REMOTE CONTRO L UNIT.
User menu preset value
VIDEO STATU S STA NDARD
TINT, COLOR, PICTURE
BRIGHT, DETAIL
NOISE M UTI NG OF F
COLOR TEMPERATURE
PIP [Only for A V-32D503]
BA SS, TREB LE, BA LANCE
H YPE R S U RRO U ND
MTS
V-32D50 V-32D30 V-32D20
MENU ITEM PR ES ET V ALU E
CENTER
LOW
OFF
CENTER
OFF
STEREO
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Si gn al g en er ator (P attern g en erat or) [ NTS C]
4. Remote control unit
5. TV a ud io m ulti pl e x sign al ge ne rator
6. F requ enc y cou nte r
ADJUSTMENT ITEMS
BASIC ADJUSTMENT
!
Check of B1 pow er s upp l y
! MAIN / S U B VCO ad justment !
RF AGC ad jus tm ent
! FOCUS adjustment
DEFLECTION CIRCUI T ADJUSTMENT
!
V. CENTER / V SIZE ad ju stment
! H SIZE / H POSITION / SIDE PINCUSHION adjustment
VIDEO / CHROMA CIRCUIT ADJUSTMENT
!
WHITE BALANCE adjustment LOW LIGH T
!
WHITE BALANCE adjustment ~HIGH L IGHT~
! SUB B RI GH T adjustment !
SUB CONTRAST adjustment
! SUB COLOR adjustment !
SUB TI NT adjus tment
PIP CIRCUIT ADJUSTMENT
! WHITE BALANCE adjustment HIGH LIGHT !
DISPL A Y POS ITION a djust me nt
MTS CIRCUIT ADJUSTMENT
! IN PU T LE VEL c h eck !
SE PARATIO N adjustm ent
No. 51947
13
A
V-32D503
A
A
V-32D303 V-32D203
ADJUSTMENT LOCATIONS
FRONT CONTROL PWB
IC7701
CN7007
POWER ME N UVOL CH
SS
CN007
FRON T
FRONT
FRONT AV IN PWB
F
FRONT
MAIN PWB
AV SELECTOR PWB
PI P PWB [Only for AV-32D503]
T
CN001
CN002
CN003
TUNER
T111
VCO
VCO
VCOVCO
IC101
MEMORY IC
IC702
IC201
TUNER
CN004
F901
FUSE
FUSE
FUSEFUSE
PW
V CENTER SW
V CENTER SW
V CENTER SWV CENTER SW
S421
U
DEG.
1:TP-91(B1) 2:NC 3:TP -E ( )
HV
E1
3
HVT
HVT
HVTHVT
1
B1
CRT EARTH
(BRAID ED AS S' Y)
14
No. 51947
UPP ER : FOCUS LOWER : SCREEN
A
3
A
3
A
3
CRT SOCKET PWB
(
)
[
]
SOLDER SI DE
V-32D50 V-32D30 V-32D20
TOP
CN 300 4
TP-G
TP-R
TP-E( )
TUNER
TP-B
CN 30E2
CR T EART H
(BRAIDED ASS'Y)
CN 300 5
PIP PWB
Only for AV-32D503
TOPFRONT
I C4101
SUB VCO
SUB VCO
SUB VCOSUB VCO
T 4111
No. 51947
15
A
V-32D503
A
A
5
/C(LYC)
V-32D303 V-32D203
BASIC OPERATION OF SERVICE MENU
1. TOOL OF SERVICE MENU OPERATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
2. SERVICE M ENU ITEM S
With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of
adjustments.
・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・・・・・ ・
(1) V/C(S) (2) DE FLECTION(D) ・・・・・・・ ・・・・・・・・・・・・・ ・・・・ DEFLECTIO N re l ate d circui t adju s tme nt mod e
(3) SOUND(A) (4) OTHERS(F) ・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・ Whole system related items adjustment mode
(5) PIP(PIP)[Only for AV-32D503] (6) 3L Y/C(LYC) ・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・ 3 lin e YC s eparati on r el at ed c ircu it adj us tm en t mod e
(7) LOW LIGHT ( 8) HI GH LIGH T ・・・・・・・・・・・・・・・・・・・・ ・・・・・・・・ W hite bal a nc e of “ H IGH L IGHT” adj ustm e nt mode
(9) RF AFC ( 10) VCO ・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・・・・・・・・ VCO re lated circuit a djust me nt mode
( 11) I2C BUS ( 12) SY STEM(SY S)・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・ This m od e is u sed whe n s etti ng up the whole s ys tem.
3. BASIC OPERATION OF SERVICE MENU (1) Ho w to enter SERVICE MENU
Press the SLE EP TIMER key and set the SLE EP TIME R for [0 MIN].
Then press the DI SPLAY k e y a nd the VI DE O S TAT US key of the remote c on trol un it s imu ltane ou sly, an d t he S ER VIC E ME NU
scr een will be di splaye d as shown b el ow .
・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・・
・・・・・・・ ・・・・・
・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・
・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・・・・・
・・・・・・・ ・・・・・・・・・・・・・ ・・・・・・・・・・・・
(2) Selection of SUB MENU SCREEN
In SER VICE MENU, p r ess th e CURSOR ▲▲▲ /▼▼▼▼ key to select any
of th e SUB MENU item s. ( T he l ett ers of th e s elect ed item s are
displayed in yellow) If an i tem like to set up b eco me s yel l ow , the CURSOR / key
will be pushed and it will go into the mode.
SERVICE MENU
1.V/C(S) 2.DEF(D)
3.SOUND(A) 4. O THERS .PIP(PIP) 6.3L Y
7. LO W LIG HT 8. HIGH LI G HT
9.RF AFC 10.VCO
2
C BUS 12.SYSTEM(SYS)
11.I
VIDEO / CHROMA related circuit adjustment mode
SOUND related circuit adjustment mode
PIP relat ed circ ui t adju stm ent mod e
White bal a nc e of “ LO W LIG HT” adju stm en t m od e
RF AFC related circuit adjustment mode
I2C bus r elat ed c i r cuit ad ju stm en t mod e [Fixed on]
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
Setti ng fo r “0 min”
Simulta neously push
Go into th e ite m
Setti ng th e value
,
Se le ct t he it em
EX IT
SELECT BY OPERATE B Y EXIT BY
SE RVICE MENU
CURSOR / key
Select 1 .V/C( S)~12.S YSTEM(SYS)
1.V /C(S)
2. DEF (D)
11 .I2C BUS
12.SYSTEM(SYS)
16
EXIT
CURSOR / key
Go into eac h S UB M ENU
No. 51947
Alth ou gh t hi s illus tr ati on of re mo te c ont ro l unit is written ab ou t RM-C251 (AV-32D503), it can use for operating RM-C252 (AV-
32D303, 203) as same key assignment.
VI DEO/C HROM A
DEF LECT ION
SO UND
A
3
A
3
A
3
(3) Method of Setting
For example, the operation in the case of s etting up VIDEO/CHROMA is expressed below.
EX IT key
Retu rn to t he S ERVIC E
ITEM CONTENTS
ME NU MA IN
S01 BRIGHT
S02 PICTURE
S03 COLO R
RF 4 : 3 STD LOW
S04 TINT
S05 DETAIL
S06 BRIGHT +-
S07 PIC T +-
S08 COLO R +-
S09 TINT + -
S10 DETAIL +-
S01 B RIGHT
S02 PI CTUR E
S03 C OLOR
S04 T I NT
***
***
******
***
***
******
***
***
******
***
***
******
V-32D50 V-32D30 V-32D20
CURSOR ▲/▼ key
Se le ct t he it ems fro m S01 t o S1 0.
CURSOR / key
Increment or decrement th e a djust ment value
(4) Others [Only for AV-32D503]
If go in to the 9. RF A F C an d 1 0.VCO item s, there will b e display t he R F AF C M AIN scr een and VC O MA IN s creen . Then press the CURSOR / key, the RF AFC SUB scre en and VCO SUB screen is displayed.
10.VCO SUB 10.VCO MAIN
TUN ER SUB HIGH LE VEL REFE REN CE LEVEL LOW LEVEL SYN C NO
9.RF AFC MAIN MODE
MENU / key
TUN ER SUB HIGH LE VEL REFE REN CE LEVEL LOW LEVEL SYN C NO
9.RF AFC SUB
MENU / key
TOO HI GH GOOD TOO LOW TUN ER MA IN AFC ON FINE **
No. 51947
TOO HI GH GOOD TOO LOW TUN ER SUB AFC ON FINE
**
17
A
V-32D503
A
A
V-32D303 V-32D203
SERVICE M ENU (M AIN MENU)
SE RV IC E MEN U
1.V /C (S ) 2 .D EF( D )
3.SOUND(A) 4.OTHERS(F)
5.P IP(PIP) 6.3L Y/C(LYC)
7.LOW LIGH T 8.H IGH LIGHT
9.RF AFC 10.VCO
2
C BUS 12.SYSTEM(SYS)
11.I
SELECT BY OPE RA TE B Y EX IT BY
EX IT
1 .V/ C( S)
R F 4 : 3 S TD L OW
S01 BRIGHT
***
3.SOUND( A)
A 01 IN LE VEL ***
5.PIP(PIP) [Only for AV- 32D503]
2.DEF(D)
R F 4 : 3 S TD L OW
D01 V FREQ
4.OTHERS(F)
F01 OSD POSI ***
6.3L Y/C(LYC)
[Do n ot adjust ]
***
8.HIGH LIGHT
*** ***
2
11.I
C BUS
[Do n ot adjust ]
2
I
C BUS O N
12.SYSTEM(SYS)
PIP01 BRIGHHT ***
7.LOW LIGHT
BR IGH T
***
***
***
***
9.RF AFC MAIN MODE
TOO HIGH GOOD TOO LOW TU NE R M AI N
AF C ON FINE **
10.VCO MAIN
LYC01 MODE
***
9.RF AFC SUB [Only for AV-32D503]
TOO HIGH GOOD TOO LOW TU NE R SU B
AF C ON FINE
**
10.VCO SUB [Only for AV-32D503]
***SY S01 VI DE O
18
TU NE R M AI N HI G H LE VE L
RE FE RE N C E LE V EL LO W L EVE L
SY NC NO
No. 51947
TU NE R S UB HI G H LE VE L
RE FE RE N C E LE V EL LO W L EVE L
SY NC NO
A
V-32D50
3
A
3
A
3
V-32D30 V-32D20
INITIAL SETTING VALUE O F SERVICE MENU
1. Adjustment of the SERVICE MENU is made on the basis of the initial setting values ; ho wev er, the new setting values which set the screen in its optim um condition may differ from the initial setting.
2. Do no t change the init ial sett ing value s not li sted in “ ADJUSTMENT”.
V / C(S) MOD E
No Setting item Variabl e range
STANDARD THEATER STANDARD
S01 BRIGHT 0~127 64 --- ---
S02 PICTURE 0127 55 --- ---
S03 C OLO R 0~127 55 --- ---
S04 T INT 0127 64 --- ---
S05 D ETAIL 063 37 --- 35
S06 BRIGHT +- -32~+32 --- + 1 -2 [5 03] / ±0 [30 3, 203 ]
S07 PIC T+- -32+32 --- -10 ±0
S08 COLOR +- - 32+32 --- -3 -2
S09 T INT+ - - 32~+32 --- -3 +2
S10 DET AIL + - -32~+32 ---
RF
±
0---
S-VI DEO
COM POSITE VI DEO
COMPONENT INPUT / STANDARD
No Se tt ing it e m Va riabl e range
S03 C OLO R 0127586262
S04 T INT 0~127786870
S05 D ETAIL 063 40 40 40
S06 BRIGHT +- -32 +32 -1 [5 03] / -3 [303, 20 3] -1 [5 03 ] / -3 [303, 203] -1 [503 ] / -3 [303, 20 3]
S07 PIC T+- -32+32 ±0 ±0 ±0
S11 R CUT OFF 0~2 55 30 --- --- - -- - -- --- - -- - --
S12 G CUT OFF 02 55 30 - -- - -- - -- --- - -- - -- - --
S13 B CUT OFF 02 55 30 - -- --- - -- - -- - -- - -- ---
S14 R D RI VE 0~1 27 64 - -- - -- --- - -- - -- - -- - --
S15 B DR IVE 0~127 64 - -- - -- - -- --- - -- - -- - --
S16 R CUT+ - -128 ~+1 27 - -- ±0 ±0 ±0 -10 --- --- ---
S17 G CUT+- -128~+1 27 --- ±0 ±0 ±0 ±0 --- - -- - --
S18 B CUT+- -128~+1 27 ---
S19 R DRV+- - 128 +1 27 - -- +5 +13 + 7 ±0 --- - -- - --
S20 B DRV+- -128~+1 27 --- +6 -25 - 9 ±0 --- - -- - --
S21 N TSC MA T 0~3 33112211
S22 BL ACK S T 0~3 1 --- 1 --- --- --- --- ---
S23 D CRE ST 0 1 1 --- 1 --- --- --- --- ---
S24 D CRSW 0~1 1 --- 1 --- --- --- --- ---
AV-32D503 /Y AV-32D303 /Y AV-32D203 /Y
RF / S-VIDE O / COMPOSITE VI DEO
STANDARD THEATER STANDARD
LOW HI GH LOW HIGH LOW HIGH LOW HIGH
±
0
±
0
AV-32D503 /R AV-32D303 /R AV-32D203 /R
COM PONENT IN PUT
±
0 -10 --- --- ---
AV-32D503 /M AV-32D303 /M AV-32D203 /M
THEATERNo Setting item Variabl e range
No.51947
19
A
V-32D503
A
A
V-32D303 V-32D203
No Se tt ing ite m Va riabl e range RF
S25 AS Y SHRP 0 ~7544
S26 BP F FO 0 ~10 0 ---
S27 KIL R OFF 0 ~10 0 ---
S28 KIL R SEN 0 ~11 1 ---
No Setting ite m Variabl e ra nge Init ial setting val ue No Setting ite m Va riabl e rang e Initial set ting v al ue
S29 RGB MU TE 0 ~10S39Y MUTE0~10
S30 BLUE B 0~1 0 S40 SVM GAIN 0~30
S31 VIDEO SW 0~3 3 S41 SVM PH 0~30
S32 CMP AB CL 0~1 0 S42 WPL 0~10
S33 OSD ABL 0~1 0 S43 COL GMM 0~10
S34 OSD CON T 0~63 10 S44 V1 GAIN 0~74
S35 SUB CONT 0~15 8 S45 AGC ADJ 0~127 63
S36 AB L GA IN 0~3 0 S46 VMOFF DE -128~+127
S37 ABL PNT 0~33S47APC CLK0
S38 Y G AM MA 0~31
SOUND MODE
S-VI DEO
COM POSITE VI DEO
COM PONENT IN PUT
±
0
11
No Setting it e m Variabl e ra nge Initial se t ting v al ue No Setting ite m Variabl e ra ng e Initial se t ting v al ue
A01 IN LEVEL 0~15 10 A0 4 SAPC 0 / 1 0
A02 LOW SEP 06 3 32 A0 5 BB E BASS -128~+127 +3
A03 HI SEP 06 3 32 A0 6 BB E TRE - 128~+127 -4
3L Y / C MODE (Do not adjust)
No Variabl e ra nge Init ial se tting v al ue No Variabl e ra ng e Initial set ting v al ue
LYC01 0~74 LYC070~11
LYC02 0~71 LYC080
LYC03 0~10 LYC090~11
LYC04 0~10 LYC100
LYC05 0~15 2 LYC11 0~10
LYC06 0~10 LYC120
30
10
10
20
No.51947
A
V-32D50
3
A
3
A
3
V-32D30 V-32D20
DE F M OD E
AV-32D503 /Y AV-32D303 /Y
AV-32D203 /Y
RF
D01 V FREQ
D02 AFC GAI N 0~3020000
D03 H POSI 0~3 1 16 16 16 16 16 16
D04 H POS I+ - -128~+127 --- --- --- --- --- ---
D05 V PHASE 0~7000000
D06 V P H+ - -128~+127 --- --- --- --- --- ---
D07 V SIZE 0~+ 127 70 70 70 70 70 70
D08 V S IZE+ - - 128~+127 --- --- --- --- --- ---
D09 V CENTER 0~6 3 32 32 32 32 32 32
D10 V CENT+- -128~+127 --- --- --- --- --- ---
D11 V S CORR 0~15555555
D12 V S CO+- -128~+127 --- --- --- --- --- ---
D13 V LIN 0~15 12 12 12 12 12 12
D14 V LIN+- -128~+127 --- --- --- --- --- ---
D15 H SIZE 0~63 32 32 32 32 32 32
D16 H SIZE +- -128 ~+127 --- --- --- --- --- ---
D17 WVMT TOP 0~3000000
D18 WVM T BTM 0~3000000
D19 EWCR TOP 0~3 1 12 12 12 12 12 12
D20 EWCR T+- -128~+127 --- --- --- --- --- ---
D21 EWCR BTM 0~31 15 15 15 15 15 15
D22 EWCR B+- -128~+127 --- --- --- --- --- ---
D23 EW PARA 0~63 36 36 36 36 36 36
D24 EW PA RA +- - 128 ~+127 --- --- --- --- --- ---
D25 V EHT 0~7000000
D26 V E HT + - - 128~+127 --- --- --- --- --- ---
D27 H EHT 0~7000000
D28 H EH T + - -128 ~+1270---0000
D29 TRAPEZ 0~6 3 35 35 35 35 35 35
D30 TRAPEZ+- -128+127 --- --- --- --- --- ---
D31 V AGC 0~1000000
D32 BLANK SW 0~1000000
D33 VRMP BI 0~1000000
03
030000
S-VI DEO
COM POSITE
AV-32D503 /R AV-32D303 /R
AV-32D203 /R
RF
COM POSITE
S-VI DEO
AV-32D503 /M AV-32D303 /M
AV-32D203 /MNo Setting item Variable range
RF
COM POSITE
S-VI DEO
No.51947
21
A
V-32D503
A
A
V-32D303 V-32D203
OTHERS MODE
No Variabl e ra nge Initial set ting v al ue No Variabl e ra nge Initial se tting v al ue
F01 0~15 37 F15 0~63 0
F02 015 90 F16 063 10
F03 015 45 F17 063 20
F04 015 93 F18 0255 2
F05 063 7 F19 -128~+127 +8
F06 010F20-128~+127 - 4
F07 063 2 F21 -128~+127 -10
F08 020F22-128~+127 -16
F09 0255 5 F23 010
F10 0255 5 F24 020
F11 0255 16 F25 0255 255
F12 063 32 F26 0255 40
F13 0255 3 F27 0255 15
F14 0255 5 F28 011
PIP M OD E
No Se tt ing it e m Va riabl e ra nge In it ial se t ting value No Setting item Variable range Initial set ting value
PIP01 BRIGHT 0~15 0 PIP28 MAT 0~11
PIP02 PICTURE 075 30 PIP29 YCOR 011
PIP 03 T IN T 063 42 PIP 30 XFREQF 011
PIP 04 C OLO R 015 6 PIP31 WTCHDG 011
PIP 05 R C UTO FF 0~1 5 0 PIP 32 COLO N 0~10
PIP06 G CUTOFF 0~15 0 PIP33 AC QNEW 0~10
PIP07 B CUTOFF 0~15 0 PIP34 DSTDET 0~11
PIP 08 R D RIVE 02 55 63 PIP 35 CRI BEOK 010
PIP 09 G DR IVE 0255 65 PIP 36 FCBEOK 010
PIP 10 B D R IVE 0~255 65 PIP37 NOCRID 0~10
PIP11 L POSI 0~255 22 PIP38 NONSED 0~10
PIP 12 R POS I 0255 15 PIP39 PIP ADJ 0~15 5
PIP 13 U PR POS I 0127 12 PIP 40 BRI EX T -128 ~+127 0
PIP 14 LW R PO SI 01 27 11 PIP 41 PCT EXT - 128 ~+127 0
PIP 15 PICT L CK 01 1 PIP42 TN T EXT - 128 ~+127 0
PIP16 SELDEL 0~1 5 0 PIP 43 COR EX T - 128 ~+127 0
PIP 17 AGCF IX 0 1 1 PIP44 R -D EX T -128 +127 0
PIP18 AGCADST 01 0 PIP45 G-D EX T - 128 +127 0
PIP 19 AGC 015 7 PIP 46 B-D EX T -128 +127 0
PIP 20 BL KINVB 01 0 PIP47 BRT COMP -128~+127 0
PIP 21 BL KINVR 0 1 0 PIP48 PCT COMP -128~+127 0
PIP22 VSPDEL 0~31 0 PIP49 TNT COMP 0~63 40
PIP23 VSPISQ 01 1 PIP 50 C OR C OMP 015 5
PIP24 RGBIN 01 0 PIP51 R-D COMP -128~+127 0
PIP 25 F RSEL 01 1 PIP52 G-D COMP -128~+127 0
PIP26 OUTFOR 01 0 PIP53 B-D COMP -128~+127 0
PIP 27 U VPO LAR 0~10
22
No.51947
A
3
A
3
A
3
ADJUSTMENTS
BASIC ADJUSTMENT
Item
Check of B1 power
supply
Measuring
instrume nt
DC Voltmeter 1 : TP-91
Test point Adjustment part Description
3 : TP-E(#)
B1 connector
1. Recei v e th e blac k an d wh it e s ign al . ( color o ff)
2. C on nect th e D C vol tmet er t o B1 con ne ctor 1 pin ( T P-9 1) and
TP-E(#).
3. Conf ir m th at the volta ge is DC1 34V ±2V.
V-32D50 V-32D30 V-32D20
MAIN VCO adjus tme nt
TUNER MAIN HIGH LEVEL REF ERE NCE L EVEL
LOW LEVEL SYNC NO
SUB VCO adjus tme nt
Only for
AV-32D503
Remote control unit
Remote control unit
TUNER SUB HIGH LEVEL REF ERE NCE L EVEL
LOW LEVEL SYNC NO
VCO (MAIN) [SERVIC E MENU]
CW TRANSF. [MAIN PWB]
GREE N
VCO (S UB) [SERVIC E MENU]
SUB CW TRANSF.
[PIP PWB]
GREE N
"
Under normal conditions, no adjustment is required. And it must
n ot a djust wit hout s i g nal .
1. Recei v e th e NTSC b r oadc ast.
2. Se lec t the 10 VC O m od e fr o m the SERVIC E MENU.
3. It checks that turn the CW TRANSF. and the character of “HIGH LE VEL ” ch an ges the col o r.
4. N ext, it chec k th at t ur n t he CW TRANSF. on th e c ontr a ry and th e co lo r of “ LOW LEVEL” ch anged .
5. At this time, it che cks that “SYNC” is “YES”.
6. Turn th e CW TR AN SF . an d it i s mad e f or th e c har ac ter of
“REF ER EN C E L EVE L” to be c om e g r een. Ag ai n, it checks that “SYNC” is “YES”.
" Under normal conditions, no adjustment is required. And it must
n ot a djust wit hout s i g nal .
1. Recei v e th e NTSC b r oadc ast.
2. Pu sh th e P IP key o n t he re mo te con tr ol un it. An d d ispl a y an y
broa dca st pr o gr am in th e PIP scr een t hat d if feren ce f r om MAIN screen.
3. Se lec t the 10 VCO mode and switch the SUB mode by pressing
the CURSOR / key.
4. It checks tha t turn t he SUB CW TRANSF. and the character of “HIGH LE VEL ” ch an ges the col o r.
5. Next, it ch eck th at turn the SUB CW TRANSF. on the contr ary an d t he color of “LOW LEVEL” ch ange d.
6. At this time, it che cks that “SYNC” is “YES”.
7. T ur n th e SUB CW T RAN SF. and it is ma de f or the c ha ra c ter of “REF ER EN C E L EVE L” to be c om e g r een. Ag ai n, it checks that
“SYNC” is “YES”.
No. 51947
23
A
V-32D503
A
A
V-32D303 V-32D203
Item
RF AGC adjus tme nt
Measuring
instrume nt
Remote control unit
Test point Adjustment part Description
S4 5 AG C A DJ [ V/ C (S ) mode]
Adjustment item Variabl e ra ng e Initial set ting v al ue
1. R eceive the b r oad c ast.
2. Enter to th e V /C(S) mode from SE RVICE MENU.
3. Se lec t t he S4 5 AG C A DJ item.
4. Pr es s the MUTING ke y and t urn th e c ol or t o off.
5. W i th t he CURS OR ke y to g et th e no is e in the s cree n pi ctu re
(zer o s id e of set ting v alu e) .
6. Pr es s th e CURS OR key several times and step when noise
disa ppe ars from t he scree n. At t his t ime, n ot t o incre as e the value too much.
7. Change to other channels and make sure that there is no
irregularity.
8. Pr es s the MUTING ke y and g et c olor o ut.
FOCUS adjus tme nt
Signal generator
Clear and fine
S4 5 AG C A DJ 0127 63
FOCUS VR [In FBT]
1. Receive the crosshatch signal.
2. While looking at the scr e en, adj ust th e FOCUS VR to th e vertica l
an d h or i z ont al lines will b e cle ar an d m ak e fin e in a d etail .
3. M ak e s ur e t hat the pi ct ur e is i n f ocus even whe n th e sc reen get s
d ark ened.
24
No. 51947
A
3
A
3
A
3
DEFLECTION 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.
V-32D50 V-32D30 V-32D20
Item
V. CENTER V. SIZ E
adjus tme nt
Measuring
instrume nt
Signal generator
Remote control unit
Test point Adjustment part Description
D05 V P HAS E D07 V SI ZE [DEF(D) mode]
V. CENTER SW [MAIN PWB]
Adjustment item
D05 V P HAS E 000
D07 V SI ZE 70 70 70
1. Receive the crosshatch signal.
2. Enter to the DEF(D) mo de f rom SERVI C E M ENU.
3. Se lec t the D05 V PH ASE, and it checks that the value of D05 V
PHASE is 0.
4. Ad jus t th e V. CE NTE R SW to bec om e th e si gn al ce nte r agree
wit h the CRT ve rt ic al cen ter .
5. T he n adj us t the D07 V SIZ E to the ve rtical screen size b ecome
th e values g ive n b el ow tab le (bott om of sc r een is to be l oca ted within the 85%95% ran ge) .
Initial setting value
AV-32D503 /Y AV-32D303 /Y AV-32D203 /Y
AV-32D503 /R AV-32D303 /R AV-32D203 /R
AV-32D503 /M AV-32D303 /M AV-32D203 /M
Scr een size
VERTICAL SIZE ADJUSTMENT
Picture size
100 %
MODEL NAME VERTICAL SCREEN SIZE
AV-32D503 /Y AV-32D303 /Y AV-32D203 /Y
AV-32D503 /R AV-32D303 /R AV-32D203 /R
AV-32D503 /M AV-32D303 /M
AV-32D203 /M
92 .0%
92 .0%
92 .0%
No. 51947
25
A
V-32D503
A
A
AV-32D503 /Y
AV-32D503 /R
AV-32D503 /M
V-32D303 V-32D203
Item
H SI Z E H. P OSITI ON SI DE
PINCUSHION
adjus tme nt
Measuring
Test point Adjustment part Description
instrume nt
Signal generator
Remote control unit
A
H POSITION ADJUSTMENT
Scr een siz e
D03 H POSI TION D15 H SIZE D23 EW PARA D19 EW CR T OP D 21 EW CR BT M
[DEF(D) mode]
A'
1. Receive the crosshatch signal.
2. Ad ju st l ef t-rig ht cen ter w i th D03 H POSIT I ON t o become s creen cen ter a gree w it h C R T cen ter ( A=A’ as shown in fi gur e ).
3. Ad ju st t he h ori zont al size wit h D15 H SIZE to become t he value given below.
4. Ad ju st t he D23 EW PARA t o the verti cal li nes bec ome st r ai ght .
5. It check that, h orizo ntal size is not illegal.
6. W hen th e ver ti cal line s of 4 corn er d oes n ot tur n int o a str ai g ht,
adjusts them with D1 9 EW C R T O P an d D2 1 EW CR BT M to correctly.
Initial setting value
Ad j ust men t
item
D0 3 H PO SI T I ON
D15 H SIZE
D23 EW PARA
D19 EW CR TO P
D21 EW CR BTM
AV-32D303 /Y AV-32D203 /Y
16 16 16
32 32 27
37 32 27
13 13 13
14 14 14
AV-32D303 /R AV-32D203 /R
AV-32D303 /M AV-32D203 /M
Picture size 100%
H ORI ZO N T AL S IZ E AD JUST ME NT
Stra ight Stra ight
SIDE PINCUSHION ADJUSTMENT
MODEL NAME
AV-32D503 /Y AV-32D303 /Y AV-32D203 /Y
AV-32D503 /R AV-32D303 /R AV-32D203 /R
AV-32D503 /M AV-32D303 /M AV-32D203 /M
HORI ZONTAL SCREEN SIZE
92 .0%
92 .0%
92 .0%
26
No. 51947
A
3
A
3
A
3
VIDEO / CHROMA CIRCUIT ADJUSTMENT
The adjustment usi ng the remote control unit is made on the basis of the initial setting val ues.
The setting values which adjust the scr een to the optimum condition can be different from the initial setting values.
Do not change the init ial se tting v alue s no t li sted in “A DJUSTM ENT”.
V-32D50 V-32D30 V-32D20
Item
WHITE BALANCE (Low Light) adjus tme nt
Measuring instrume nt
Test point Adjustment item Description
Signal gen e r at o r
Remote control unit
BRIGHT
*** ***
***
***
LOW LIGHT adjustm ent mode
LOW LIGHT BR IG HT ( S01 ) [SERVIC E MENU]
R CUTOFF(S11) G CUTOFF(S12)
B CUTOFF(S13)
SCREEN VR [In HVT]
1. R eceive a bl a ck an d wh it e sig nal ( color o ff).
2. Se le ct t he LOW LIGH T MO DE from t he SER VI CE ME NU.
3. C onf ir m th e in iti a l sett in g value of BRIGHT.
4. Confirm the initial sett ing value of R CUTOFF, G CUTOFF an d B CUTO FF.
5. If the y ar e di ffe r, s et t he S01, S 11, S12 and S13 to th e corr ect
initial setting value in the 1 V/C(S) mode.
6. D isp lay a s i ng l e h ori zo nt al lin e b y p r es sing the ①①① key of t he
remote control unit.
7. T ur n t he s creen VR a ll the w ay t o th e le ft.
8. T ur n the s creen VR gr adu al l y t o t he ri g ht fr om th e left un til eith er o ne of the red, blu e o r g r een co l ors appea rs f aintl y.
9. Use keys ④~⑨ of the remot e c o ntrol un it and adjust t he
oth er 2 col or s wh ich e xcept th e a ppe ared colo r t o w h er e the si ng le h or iz ontal l in e appea rs wh i te.
10 . T ur n th e screen VR to wh er e th e sing l e hor izon ta l line gl o ws fain tly.
11 . Pr ess the ②②② key t o releas e the single hori zo nt al line.
12 . Ad ju s t t he B RI GHT l eve l to b ecom e th e b l ac k c omp onen t shines white slightly.
13 . Conf ir m th at whe th er th e c o l or i ngr ed ien t of R , G o r B i s vis ib le t o th e bl ack co mp on ent, whic h sh i nes white slig htly .
14 . W hen th e c ol or in gr ed i ent ca n be see n, tw o colors oth er th an a visib le col o r ar e a djust ed, an d i t is m ade to look w hi te.
15 . Return th e value of BRIGHT to initial s etting value.
16 . Pr ess the ③ key to exit the W HITE BALANCE MODE.
Rem ot e Co ntro l Unit
H.LI NE ON
1 2 3
R CUTOFF
4 5
R CUTOFF
7 8
H.LI NE OFF
G CUTOFF
G CUTOFF
EXIT
B CUTOFF
6
B CUTOFF
9
No. 51947
Adjustment item
BR IG HT
C UT O FF AD J USTM E NT
R CUT OFF (S11)
G C UT OFF (S 12)
B CUTOFF (S13)
Variabl e
range
0~127
Variabl e
range
0 255
0 255
0 255
Initial setting
value
64
Initial setting
value
30
30
30
27
A
V-32D503
A
A
adjustment
V-32D303 V-32D203
Item
WHITE BALANCE (High Light) adjus tme nt
DR I VE AD J USTM E NT
R DRI VE (S1 4)
B DRIVE (S15) 0 ~ 12 7 64
Measuring
instrume nt
Signal generator
Remote control unit
*** ***
HIGH LIGHT
Test point Adjustment item Description
Variabl e
range
0 12 7
HIGH LIGHT [SERVIC E MENU]
R DRIVE (S14) B DR I VE ( S1 5)
Initial setting
value
64
1. R eceiv e the N T SC b lack a nd white s igna l (c olor of f).
2. Se le ct t he HI GH LIG HT mo de in th e SERVI CE ME NU.
3. Confirm the initial setting value of “G DRIVE” and “B DRIVE”.
4. If the y are dif fer, s et t he S14 an d S 15 to t he c or re ct i niti a l
set ting valu e in t he 1 V /C(S ) mo de.
5. Ad just th e s cree n c olor t o whi te with the ④④④, ⑥⑥⑥⑥ , ⑦⑦⑦⑦ and ⑨⑨⑨⑨
keys of the remote control unit.
Remote Control Unit
H.LINE ON
1 2
R DRIVE
4 5
R DRIVE
7 8
H.LINE OFF EXIT
3
B DRIVE
6
B DRIVE
9
SUB BRI GHT adjus tme nt
SUB CONT RAST adjus tme nt
Remote control unit
Remote control unit
S01 BRIGH T
S02 PI CT URE
White b al a nce ( lo w l ig ht and hi gh l i ght ) adju stm ent sh ou ld b e
"
d one.
1. R eceive a NTSC broa dca st.
2. Se le ct t he 1 V/C(S ) mo de from SE R VICE M EN U.
3. Select S01 BRIGHT of th e V/ C(S) mod e in SERVICE MENU.
4. C onf ir m th e in iti a l sett in g value of the S01 BRIGHT.
5. If the brigh tne s s is n ot th e be s t w ith th e in iti al sett ing va lu e,
make f ine adj u stm ent of t he S0 1 BR I GH T until you get the op ti mu m br i ght ness .
BR IG HT A DJ US TM ENT
S01 BRIGHT 0 ~ 12 7 64
Bright adjustment should be done.
"
1. R eceive a N T SC br oa dcast.
2. Se le ct t he 1 V/C(S ) mo de from SE RVIC E M EN U .
3. Select S0 2 P IC TURE of the V/C(S) mode in SERVICE MENU.
4. C onf ir m th e in iti a l sett in g value of the S02 P IC TURE .
5. If the co ntras t is n ot th e best with the ini tial s etting val ue, make fin e adj ust me nt of th e S02 PICTURE un til you g et th e opt imu m
contrast.
Variabl e
range
Initial setting
value
PICTURE
ADJUSTMENT
S02 PICT URE 0 ~ 12 7 55
28
No. 51947
Variabl e
range
Initial setting
value
A
V-32D50
3
A
3
A
3
y
gB(A)
(
)
(
)
V-32D30 V-32D20
Item
adjus tme nt
Measuring
instrume nt
Remote control unit
generator
Oscilloscope
Remote control unit
Test point Adjustment part Description
[ Method of adjustment without measuring instrument ]SUB COLOR
1. R eceive the b r oad c ast.
2. Se le ct t he 1 V/C(S ) mo de from SE RVIC E M EN U .
3. Select S0 3 CO LOR of th e V /C(S) m ode.
4. C onf ir m th e in iti a l sett in g value of the S03 CO LOR.
5. If the colo r is not the best with th e I nitial setting value, m ake fi ne ad justmen t of th e S0 3 CO LOR until you get the optimum color.
Adjustment item Init ial setting v alue
S03 COLOR 55
[ Method of adjustment using measuring instrum ent ]Signal
1. Inp ut th e fu l l col or b ar sign al incl ud es the 75% white .
2. Se lect t he 9 R F AF C mode f ro m SERVICE MENU.
3. T ur n th e A F C item t o off , an d exit to th e SER V ICE M AI N
ME NU.
4. Se le ct t he 1 V /C(S) mo de from SE R VICE MEN U.
5. Select S03 CO LOR of th e V /C(S) mode.
6. C onf ir m th e in iti a l sett in g valu e of the S03 COLOR gi ve n a bov e.
7. C on nec t the osc illosc ope be tween TP-B and TP- E.
8. Adjust S03 CO LOR an d br in g t he v al u e o f (A) in the illustration
to the volta ge s ho wn i n th e t abl e be llo w ( volt ag e d iffer en c e b etw een whit e a nd bl u e).
9. Exi t t o the SER VI CE M AIN MENU.
10 . Sele c t t he 9 RF AF C m od e.
11 . Turn t he AFC item t o on.
TP-B TP-E(#### )
[CRT
SOCKET PWB]
S03 COLOR [ V/ C (S ) mode]
S03 COLOR [ V/ C (S ) mode]
Y
G
R
――――
W
C
M
0V
++++
No. 51947
MODEL NAME Voltage difference [V]
AV-32D503 /Y AV-32D303 /Y
AV-32D203 /Y
AV-32D503 /R AV-32D303 /R AV-32D203 /R
AV-32D503 /M AV-32D303 /M AV-32D203 /M
+20V
+18V
+20V
29
A
V-32D503
A
A
y
gB(B)
(
)
(
)
V-32D303 V-32D203
Item
adjus tme nt
Measuring
instrume nt
Remote control unit
generator
Oscilloscope
Remote control unit
Test point Adjustment part Description
[ Method of adjustment without measuring instrument ]SUB TINT
1. R eceive the b r oad c ast.
2. Se le ct t he 1 V/C(S ) mo de from SE R VICE M EN U.
3. Select S0 4 TINT of th e V/C( S) mode.
4. C onf ir m th e in iti a l sett in g value of the S04 TIN T.
5. If the tint is not the best with the I nitial sett ing value, make fin e ad justmen t of th e S04 TINT until you get the optimum color.
Adjustment item Init ial se tting v alue
S04 TIN T 64
[ Method of adjustment using measuring instrum ent ]Signal
1. Inp ut the fu l l color bar s ign al i nclud es the 75% white .
2. Se lect t he 9 RF AF C mode f rom SERVICE MENU.
3. Turn the AFC item to off, and exit to the SERV ICE MAIN MENU.
4. Se le ct t he 1 V/C(S ) mo de from SE RVIC E M EN U .
5. Select S0 4 TINT of th e V/C(S) m od e.
6. C onf ir m th e in iti a l sett in g value of the S04 TIN T given above.
7. C on nect th e osc illosc ope be twee n TP-B and TP- E.
8. Adjust S0 4 TINT and b rin g th e value of (B) in th e illustration to
th e voltag e s h ow n in th e ta ble b ell ow ( vo ltag e d iffer en ce
b etw een whit e a nd m age nta).
9. Exi t t o the SERVI CE MAIN MENU .
10 . Se le ct t he 9 RF AFC m ode. 11 . T ur n t he AFC i tem to o n.
TP-B TP-E(#### )
[CRT
SOCKET PWB]
S04 TIN T [ V/ C (S ) mode]
S04 TIN T [ V/ C (S ) mode]
Y
MODEL NAME Voltage diference [V]
G
R
AV-32D503 /Y AV-32D303 /Y
AV-32D203 /Y
+12V
――――
AV-32D503 /R
W
C
0V
M
++++
30
No. 51947
AV-32D303 /R AV-32D203 /R
AV-32D503 /M AV-32D303 /M AV-32D203 /M
+2V
+4V
A
3
A
3
A
3
PIP CIRCU IT ADJUSTMENT [Only for AV-32D503]
(
)
Item
PIP W HITE BALANCE
adjust me nt
HIGH LIGHT
Measuring
instrume nt
Signal generator
Remote control unit
Test point Adjustment part Description
PIP 08 R DRIVE PIP 10 B DRIVE
[PIP(PIP) mode]
V-32D50 V-32D30 V-32D20
1. R eceive the b lack a nd white signa l (c olor of f).
2. Se lec t t he 5 PIP mod e f rom SERVI CE MENU .
3. Se lec t t he PI P08 R DRIVE, PI P10 B DRI VE of th e P IP mode.
4. C onf ir m th e in iti a l sett in g values of PIP 08 an d PIP 10.
5. Ad jus t the PI P08 R DRIV E, PI P10 B DRIVE unt il th e scr een
becomes white.
Adjustment item Initial se tting v al ue
PIP 08 R DRIVE 63
PIP 10 B DRIVE 65
PIP DISPLAY POSITION adjus tme nt
Adjustment position
U PPE R WI DT H 80 %
LO WE R WIDTH 80 %
LEFT WIDTH 80 %
RIGHT W IDTH 80 %
Signal generator
Remote control unit
92 % H SIZE adjustment value
Adjustment value [
Scree n size
80 %
PIP 11 L POS I PIP 12 R POS I PIP13 UPR POSI PIP 14 LWR POSI
[PIP(PIP) mode]
1. R eceive the b lack an d white signa l (c olor of f).
2. Se lec t t he 5 PIP mod e f rom SERVI CE MENU .
3. Se lec t t he PI P11 L POS I of th e P IP mode.
4. Confirm the initial setting value of the PIP11 L POS IPI P14
LWR POSI.
5. Ad jus t th e PI P11 PIP 14 to become the each PIP screen
ou tside edg es p os i ti on ed abo ut t he lef t menti o ne d val u es fr o m scr een ed ge.
Adjustment item Initial se tting v al ue
PIP 11 L POS I 22
PIP 12 R POS I 15
PIP13 UPR POSI 12
PIP 14 LWR POS I 11
PIP S CREEN
80 %
80 %
80 %
92 % V SIZ E adjustment value
No. 51947
31
A
V-32D503
A
A
V-32D303 V-32D203
MTS CIRCU IT ADJUSTM ENT
Item
MTS IN PUT LEVE L
che ck
Measuring
instrume nt
Remote control unit
Test point Adjustment part Description
A01 IN LEV EL [SOUND(A) mode]
1. Se lec t t he A01 I N LE VEL of th e S OUND m ode.
2. Verif y that the A01 I N LE VEL is set at its initial setting value.
Adjustment item Initial setting val ue
A01 IN LEVE L 10
MTS SE PARATIO N
adjus tme nt
L- Chann el signal wave form
1 cycle
TV audio mult iplex
signal generator
Oscilloscope
Remote control unit
R OUT L OUT
[AUDIO OUT]
R-C hannel crosstalk por ti on
Mi n i m u m
A02 LOW SEP A03 HI SE P
1. Inp ut th e ste r eo L s igna l (30 0H z ) fr om the T V au di o multip lex
si gn al g ene r ator t o the ant enna term in al .
2. Connect an oscilloscope to R OUT pin of the AUDIO OUT, and
disp lay on e c ycle p ort ion of t he 300H z si g nal.
3. Se lec t t he A02 L OW SE P of the SOUND MODE.
4. C onf ir m the in iti a l sett in g value of the A0 2 LOW SE P.
5. Ad jus t t he A02 LOW SEP s o tha t the stroke element of the
300Hz signal will bec ome minimum.
6. Change the connection of the oscilloscope to L OUT pin of the
AUDIO O UT , and enl ar ge the vol t age ax is.
7. Cha nge th e sign al t o 3 kHz, a nd sim i l ar ly adjust th e A0 3 H I
SE P.
Adjustment item Initial setting val ue
A02 LOW SEP 32
A03 HIGH SE P 32
32
No. 51947
A
3
A
3
A
3
HOW TO CHECK THE HIGH VOLTAGE HOLD DOWN CIRCUIT
CO
1. HIGH VOLT AGE HOLD DOWN CIRCUIT
After repairing the high voltage hold down circuit.
Thi s ci r cuit sh all b e ch ecked to op erat e co rrect ly .
2. CHECKING OF THE HIGH VOLTAGE HOLD DOWN CIRCUIT
(1) Turn the power switch on. (2) As s hown i n fi g ure, s et th e r es ist or ( bet ween 【S1 】conne ctor 【2】an d【3】).
(3) Make sure t hat th e scr ee n pic ture disap pe ar s .
(4) Temporarily unplug the power plug. (5) Remove the resistor (between【S1】co nnector【2】an d【3】).
(6) Ag ai n plug th e pow er pl u g, make su re th at t he norm al pi ctur e is displ ay ed on th e sc r ee n.
RESISTOR
V-32D50 V-32D30 V-32D20
RESISTOR
All model : 22.8kΩ±
NNECTOR
Ω±0.5% 1/4W
Ω±Ω±
No. 51947
33
A
V-32D503
A
A
V-32D303 V-32D203
REPLACEMENT OF CHIP COMPONENT
CAUT IONS
1. Avoid heating for more than 3 seconds.
2. D o n ot ru b the elect ro des an d the r esis t p arts of the p att ern.
3. W hen rem oving a c hip part, mel t th e s older adequ ately .
4. D o n ot r euse a ch ip p ar t afte r re mo ving it .
! SOLDERING IRON
1. U se a hi g h i ns ulatio n s older i ng i r on wi th a thin poin ted e nd of it .
2. A 3 0w s older i ng i r on is rec omm end ed for easily r em oving p arts.
! REPLACEMENT STEPS
1. How to remove Chip parts
#### Resi st o rs, capacit ors , etc
(1) As sh own in the f ig ur e, pu sh th e pa rt w ith tw ee zer s and
alte rn at ely melt the s ol de r at eac h end.
(2) Sh if t with tweeze rs and r em ove th e c h i p p art.
#### Trans ist ors, diodes , va ria bl e r esist or s, etc
(1) Ap pl y e xt ra so ld er to eac h le ad .
SOLDE R SOLDE R
2. How to install Chip parts
####
Resi st o rs, ca pacit o rs , etc
(1) Apply solder to th e patt ern a s i ndicated in the fi g ure.
(2) Gr asp t he ch ip p art with tw ee z er s and pl ac e it on th e s old er.
The n hea t and me lt th e so lder a t both ends of t he chi p part.
#### Trans istors, diodes , varia bl e res ist or s, et c
(1) Apply solder to th e patt ern a s i ndicated in the fi g ure. (2) Grasp the ch ip p art wit h t weeze rs and p lace it on the s o l der .
(3) First s older lead A as indica ted in t he figure.
A
(2) As sh own in the f ig ur e, pu sh th e pa rt w ith tw ee zer s and
alte rn at ely melt th e sol d er at each le ad . S hi ft an d r em ove the chip part.
(4) The n solder le ads B and C.
Note : A fte r re moving t he part, r emove rem ain ing solder fr o m the
pattern.
34
No.51947
C
A
C
B
B
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