JVC av27320 schematic

SERVICE MANUAL

COLOR TELEVISION

AV-2732 AV-2733

AV-27S3

BAS IC CHAS SIS

[RM-C 205] AV -2 7320

[RM-C 255] AV -2 7330 AV -27S33

AV-27320 AV-27330 AV-27S33

/S/R

CONTENTS

! SPECIFICATIONS ････････････････････････････････ !

SAFETY PRECAUT IONS

FEATURES････････････････････････････････

! HOW TO IDENTIFY MODELS ････････････････････････････････ !

MAIN DIFFERENCE LIST

! FUNCTIONS ････････････････････････････････ ! SPECIFIC SERVICE INSTRUCTIONS ････････････････････････････････ !

SERVICE ADJUSTMENTS ････････････････････････････････

! PARTS LIST ････････････････････････････････

★ OPERAT ING INSTRUCT IONS ★ ST AND AR D CIRCUIT DIAGRAM ････････････････････････････････

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

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

････････････････････････････････

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

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

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

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

････････････････････････････････

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

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

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

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

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

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

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

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

･･･････････････････････････････････

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

･････････････････････････････ 2

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

･･･････････････････････

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

････････････････････ 4

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

･･･････････････････････

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

･･････････････････････････････････

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

･････････････ 8

･･････････････････････････

･････････････････････ 12

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

････････････････････････････････････ 31

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

････････････････ 2- 1

････････････････････････････････

･･･ 4

･･････

･･ 6

････

No.519 37

May. 2002

May 2002

V-27320

)

(

)

V-27330 V-27S33

SPECIFICATIONS

Contents

Items

Dimensions (W×××× H×××× D) 25 -3/4 ”×23”-3/8”×19-1/2” (654mm×59 3mm ×494m m)

Mass 68.5 Ib s ( 3 1.1 kg)

TV System and Color System

TV RF System

Color Sy st em

Sound System

TV Recei ving Channels and Frequency

VL B a nd

VH B and

UHF Band

CATV Receiving Channels and Frequency

Low Band

High B an d

Mid Band

Super Ba nd

Hyper Ba nd

Ul tr a B and

Sub Mid Band

TV/CATV Total Channel

Intermediate Frequency

Vide o IF Car rier

Sound IF Carrier

Color Sub Carrier

Power Input

Power Consumpti on

AV-2 7320/S

AV-2 7320/R

CCIR(M)

NTSC

BTS C S ystem (M ulti -Ch an nel S ound )

(02～06) 54 MHz～88MHz (07～13) 17 4M H z～21 6M H z (14～69) 47 0M H z～80 6M H z

(02～06, A-8) by (02～06 &0 1)

(07～13) by (07～13)

(A～1) b y (14～22)

(J～W) by (23～36)

(W +1～W+28) b y (37～64 )

(W +29～W+84) b y (65～1 25)

(A8, A4～A1) by (01, 96～99 )

18 1 Cha nn els

45 .75 MHz

41.25 MHz ( 4 .5MHz)

3.58MHz

12 0V AC , 60H z

11 3W

AV-2 7330/S AV-2 7330/R

(54MHz～80 4M Hz)

AV -2 7S 3 3/ S AV -2 7S 3 3/ R

Picture Tube

Hi gh Vo l t a g e

Speake r

Audio Power Out put

Input terminal s

Input 1 S-Video

Video(V)

Component (V/Y, PB, PR)

Au di o(L, R

Input 2 Video(V)

Au dio (L , R )

Component (V/Y, PB, PR)

Audio(L, R)

Input 3

Fr on t

Output ter minals

Antenna terminal 75 Ω(VHF/UHF) Terminal, F-Type Connector

Remote Control Unit RM- C 20 5 ( AA /R6/UM-3 batt ery×2) [A V-27 32 0/S,R ]

Video(V

Au di o(L, R

Variabl e Audio Output (R/L) More than 0～1550mVrms (+6dBs)

27 ” (6 8cm) Measur ed Diag on al l y

28 .0 kV±1.3kV (at zero beam current) 2“×3 -1/ 2” ( 5×9cm) Oval type×2

1.2 W + 1.2 W

Y: 1Vp-p P ositive ( n egative s ync p r ovi ded , wh en terminat ed with 7 5Ω)

C: 0. 286V

1V p- p, 75Ω ( RCA pin j ac k) [AV- 2 73 30/ S,R AV-27 S33 /S, R]

1V p- p 7 5Ω(pos iti ve sync ) [A V-27 320/S ,R]

50 0m Vr ms ( -4 dBs ), High I mp ed anc e ( RCA pin j ack) 1V p- p, 75Ω (RCA pi n j ack) [AV-2 73 20/ S,R]

50 0m Vr ms ( -4 dBs ), High I mp ed anc e ( RCA pin j ack) [AV -2 73 20/S,R] 1V p- p 7 5Ω(pos iti ve sync) [A V-27 330/S ,R AV-2 7S3 3/S,R]

500mVrms ( -4dBs ), High Impedanc e (RCA pin jack) [AV-27330/S,R AV-27S33/S,R]

1V p- p, 75Ω ( RCA pin j ac k) [AV- 2 73 30/ S,R AV-27 S33 /S, R]

500mVrms ( -4dBs ), High Impedanc e (RCA pin jack) [AV-27330/S,R AV-27S33/S,R]

Low impedance (400Hz when modulated 100%) (RCA pin jack)

RM-C 25 5 (AA /R6/U M- 3 b attery×2) [AV-27330/S,R A V-27S3 3/S ,R]

p-p

(bu rst si gnal, when t erminated wi th 75Ω)

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

No.51937

SAFETY PRECAUTIONS

V-27320 V-27330

V-27S33

1. The d esign of t hi s p rodu ct c ont ai ns spec i al h ardw ar e, man y ci rcu its and c o mp on ent s s pecially for s af ety pur p oses. F or continued protection, no changes should be made to the origina l des ign u nless a uth ori zed in wri ting by t he man ufactu re r.

Replacem en t parts must be id ent ic al t o thos e u sed in the origina l c ircui t s. S ervic e sho uld be per f or med b y qu al i fied p ers onnel o nly.

2. Al te rati on s of th e des ig n o r circu i tr y of the produ cts s houl d n ot b e m ad e. A ny de si gn al te rations or ad ditio ns will vo id th e

manufacturer's warranty and will further relieve t he manu fact ur er of resp ons ib i lit y f or pe rs ona l in jury or p r ope rt y d am age r es u lt in g t heref rom .

3. M an y electrical an d m ec h an ic al pa rt s in th e p rodu cts h ave sp ecial saf ety-relat ed c haract eris tics. Th ese charac teri stics ar e

oft en not e vid en t from visu al in s pe cti on no r can t he prote c ti on aff orde d by th em n eces s ar ily be obtained b y usi ng replac ement compon ent s rated for h igher voltag e, w a ttag e, etc. Replacem en t pa rt s wh ic h h ave t hes e s p ec ial s afet y ch aracteristic s a re i d enti fie d in th e par ts list of S ervi ce m an ual.

Electrical components ha ving such featur es are identified by shading on the schematics and by (!!!!) on the parts list

in S erv ice manual. Th e use of a su bst itu te re plac emen t whi c h

does not have the same saf et y characterist ics as the reco mmen de d replac em en t pa rt sho wn i n the pa rts l i st of Se rvi c e ma nu al may c aus e shock , f ire, or o ther haz ards.

4. U se isola tio n tr ansforme r when hot ch ass is . The chassis and any sub-chassis contained in some products are c onnect ed to on e si de of th e AC p ower line . An is ol a ti on tr ansf or m er of ad equ ate cap acity s h ou ld be ins er t ed bet we en th e p rodu ct and t he AC p ow er su pp l y p oint w hi l e p er forming

an y ser vice on so me pr o ducts wh en th e HOT ch assis i s exp ose d.

5. Don't short between the LIVE side ground and I SOLATED

(NEUTRAL) side ground or EARTH s ide ground when repairing.

So m e mod el 's power c ircuit is par t ly dif feren t in the GND. Th e diff er enc e of t he GND i s sh own by th e LI VE : (") side GND, th e ISO LATED(N EU TRA L) : (#) sid e GN D an d EARTH : ( $) si de GND. Don 't s ho rt betw ee n t he LIVE sid e GND a nd ISO LATE D(N EUTR AL) si de GN D or EAR TH side GND a nd never mea sure with a meas uring apparatus (oscilloscope etc.)

th e LI VE side GND a nd ISO LATED ( NEUT RAL) sid e G ND or EARTH side 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 bee n m ad e to the ch assi s, i t i s re commend ed th at t he B1 se tti n g s h ou ld b e chec ked or ad j us te d (S ee

ADJUSTM ENT OF B 1 POW ER SUPPLY).

7. The hig h volt ag e app lied t o the pictu re tu be mu st co nfo rm with that specified in Service manual. Excessive high voltage can cau se an incr ea se i n X-R a y emi s sion , a rci n g and p ossi bl e com po nent d am ag e, th er ef or e op er atio n un der excess iv e high

vol ta ge c ondit i ons s h ou ld be k e pt to a m in i mu m, or sh ou l d be preve nt ed. I f seve re arc ing occ u rs, r em ov e th e AC p ower immediately and determine the cause by visual inspection (incor r ect i nsta lla ti on , cr ac ked o r melte d hi gh v oltag e h arness, p oor s olderin g, etc. ). T o ma in ta in the pr op er m i ni m um le vel of

soft X-Ray emission, components in the high voltage circuitry incl ud i ng the pi ctu r e tu be mu st be the exa ct r ep l acemen ts or alte rn at ives a ppro ved b y the manuf actu r er of th e co mp l ete prod uct.

8. Do n ot c hec k high vol ta ge by d rawin g a n arc. U s e a hi gh vol ta ge mete r or a hi gh volt age pro be w i th a VTVM. Dis char ge

th e p ictu r e tu be bef ore a tte mpting me ter c o nne c ti on , b y con nec ting a c l ip lead t o th e gr ou nd frame a nd con n ecti ng the oth er e nd of t he lead th roug h a 10k Ω 2W resi st or to t he anode

bu tton.

9. W hen s e rvic e i s r equ i r ed, ob ser v e th e o ri g in al l ea d dr ess. Extra p r ecau ti on sh ou l d be gi v en to assu r e correct lea d dres s in the hi gh volta ge c ircu it ar ea . W her e a sh ort cir cuit ha s occu rr e d, th ose c ompon en ts th at ind ic ate eviden ce of overheating should be replaced. Always use the

manu fact ur er 's r eplace ment comp on ents.

10 . Isolation Check

(Safety for Electrical Shock Hazard)

Af ter re-a ssem bl i ng th e prod uct , always pe rf orm an iso lati on ch eck on th e expo sed m eta l p ar ts of th e c abin et (ant en na

ter m i na ls, vi de o/a ud i o in pu t and out put ter mi n al s, C on trol knobs, metal cabinet, screwheads, earphone jack, control sh afts, etc .) to be s ur e the pr o duct is saf e t o op erat e w i th out d ang er of elect ri cal shoc k.

(1) Dielectric Strength Test

The is olat io n b etwe en the AC prima ry circu it and al l m eta l par ts exp osed t o the us er, par t icu lar l y an y expo sed m etal p art h aving a re tur n pat h to the ch as sis sh ou ld w ithst and a vol ta ge of 11 00V AC (r .m .s .) for a per i od of on e sec ond.

(. . . . Withstand a voltage of 1100 V A C (r.m.s.) to an applian ce

rate d up to 1 20V , and 3 00 0V AC ( r.m. s.) t o an ap plianc e ra ted 200V or more, for a period of one second.) Thi s m eth od of tes t r e qu ires a t est eq uip ment n ot g en er al l y fou nd in t he servi ce t ra de.

(2) Leakage Current Check

Plug t he A C li ne c or d di r ect ly i nt o th e AC ou tlet ( do not u se a line is olati on tra nsf ormer dur i ng thi s che ck.). Usi ng a " L eakage

Current Test er", mea sure t he l ea k ag e c ur r en t fr om each exp ose d m eta l part of th e ca bi ne t, p ar tic ul ar ly an y expo sed metal part having a retu r n path to t he ch assis, to a known good ea rt h gr o und (water p i pe, etc.) . A ny l ea kag e curren t m us t not

exce ed 0.5m A AC ( r .m. s.) . Howev e r, in t ropical a rea, thi s must no t e xceed 0 .2mA AC (r.m.s.).

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

Plug t he A C li ne c or d di r ect ly i nt o th e AC ou tlet ( do not u se a line isolation transformer during this check.). Use an AC

vol tm et er h aving 100 0 o hms per volt or m or e sen si ti v it y in the follo win g manne r. Con nec t a 150 0Ω 1 0W resi s tor pa rall e l ed by a 0.15μ F AC-typ e cap acitor b etw e en an exp ose d m eta l p art and a kno wn g o od earth gr ou nd ( w ate r pip e, et c.).

Measu re th e A C voltag e acr oss th e r esis t or w it h t he AC voltmeter. Move the res istor connection to each exposed m etal 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 vol ta ge acr oss th e resi sto r. Now, reve rs e th e plu g in t he A C out let a nd r ep eat e ac h measu rem en t. An y volta ge meas u re d m us t not exce ed 0.7 5V AC (r.m. s.) . This corresp onds t o 0.5mA AC (r.m. s.) . Howev e r, i n trop ic al ar ea, thi s must not ex cee d 0 .3V AC (r.m.s.). This corr esp onds 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 hi gh volt ag e h old d ow n c ircui t, th is circu i t sh all be c hecked to op er ate correctly . See item "Ho w to check the high voltage hold down cir cuit".

This mark shows a fas t operating fuse, the

letters indi cated below show the rating.

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. 51937

V-27320

V-27330 V-27S33

FEATURES

New chas sis design en abl es use of a si ngl e boar d with si mp lif ied

circuit ry.

User s can m ak e fun to c onnect th e Digi tal Video Disk pl ayer wit h

the component vi deo signal i npu t termi nal .

Provid ed w ith mi niatu re tuner ( TV/CATV ).

Multif unct ion al remote con tro l p erm its pictu re adj ustm ent.

Ad opti on of the CHANNEL GU AR D fu nction pr events th e speci fi c

chan nels from being selec ted, unless th e “ID nu mbe r” is k ey in .

C bus control utilizes single chip I Cs.

Adoption of the VIDEO STATUS f unc tion.

Adoption of the ON/OFF TIMER fun ction.

Built-in V-CHIP system.

With 75ΩV/U in c omm on ( F-Type) ANT Ter m in al.

SLEEP TIMER for setting in re al time.

" "

Clos ed-caption b roa dcasts can be viewed.

Bu ilt - in MTS sys tem.

Built-in HYPER-SU RROUND system.

S-VID EO input termi nal for taki ng bes t advantag e of S uper VH S .

Variable Au di o outp ut terminal.

3 L IN E D i gi tal Comb f ilter Im proved pi ctu re q ual ity.

HOW TO IDENTIFY MODELS

The differenc e between AV -27 320 /S and AV -2 732 0/R i s in th e PICT U R E TUBE.

As t he res ult of the diffe ren ce in pic tu re tube, the MAIN PW B al so dif fer s. In the sam e w ay, the d if ference between 2 7330/S and A V- 27330/R ,2 7S3 3/S and 27S3 3/R i s in the PICT URE TUBE t oo.

Parts na me

MODEL

AV-27320 /S

AV-2733 0/S

AV -2 7S3 3/S

AV-27320 /R

AV-2733 0/R

AV -2 7S3 3/R

! RAT ING L ABEL LC31 139 -001A-A ←←←←

Ind icat ed AV -27 230

or AV-27 330

or AV-27S33

Indic ated “S”

Ind icat ed AV -27 230

or AV-27 330

or AV-27S33

Indic ated “R”

No.51937

MAIN DIFFERENCE LIST

V-27320 V-27330

V-27S33

!!!!

Parts Name

MAIN PW B SFE-10 06A -M2 SFE-10 07A -M2

ITC TU BE A6 8QD N 891 X001 A6 8ADT 25 X01

POW ER KN OB LC30376 -0 01A- A

PUSH KNOB LC30271 -0 01A- A

REAR COVE R LC10082 -0 04A- A

FR ONT CA BINET LC10 081 -0 05B- A

JVC M AR K CM48006-0 06- C

REMOTE CONTROL UNIT RM-C205-1C

!!!!

Parts Name

MAIN PW B SFE-10 04A -M2 SFE-10 05A -M2

ITC TU BE A6 8QD N 891 X001 A6 8ADT 25 X01

POW ER KN OB LC30376 -0 01A- A

PUSH KNOB LC30271 -0 01A- A

REAR COVE R LC10082 -0 03A- A

FR ONT CA BINET LC10 081 -0 04B- A

Model name

AV-2 7320/S AV-2 7320/R

AV-2 7330

JVC M AR K CM48006-0 06- C

REMOTE CONTROL UNIT RM-C255-1H

!!!!

Parts Name

MAIN PW B SFE-10 04A -M2 SFE-10 05A -M2

ITC TU BE A6 8QD N 891 X001 A6 8ADT 25 X01

POW ER KN OB LC30376 -0 04A- A

PUSH KNOB LC30271 -0 04A- A

REAR COVE R LC10082 -0 03A- A

FR ONT CA BINET LC10 081 -0 08A- A

JVC M AR K CM48006-0 07- C

REMOTE CONTROL UNIT RM-C255-1H

Model name

AV -2 7S 3 3/S AV -2 7S 3 3/R

No.51937

V-27320

V-27330 V-27S33

FUNCTIONS

■■■■

FRONT PANEL CONTROL

3 6

5 8

INPUT2 VIDEO terminal [AV-2 7320/S,R]

INPUT3 VIDEO terminal [AV-2 7330/S,R AV-27S33/S,R]

INPUT2 AUDIO L MONO ter minal [AV-27320/S,R]

INPUT3 AUDIO L MONO ter minal [AV-27330/S,R AV-27S33/S,R]

INPUT2 AUDIO R ter mi nal [AV-27320/S,R]

INPUT3 AUDIO R ter mi nal [AV-27330/S,R AV-2 7S33/S,R]

MENU button POW ER button

■■■■

REAR TERMINAL

[[[[

AV-27320/S,R]

CHANNEL -/+ buttons

OPERATE / buttons

VOLUME

ON TIMER LED

[[[[ AV-27330/S,R AV-27S33/S,R]

-/+

buttons

AUD I O O UTPUT (L, R) t erminals

INPUT1 (S,V/Y, PR, PB, L, R) terminals

VHF / UHF ter minal

No.51937

1 2

AUD IO O UTPUT (L, R)t erm ina ls

INPUT1 (S, V, L, R) terminals

INPUT2 (V/Y, PR, PB, L, R) terminals

VHF / UH F te rminal

■

REMOTE CONTROL UNIT

[RM-C205] AV-27320/S,R

V-27320 V-27330

V-27S33

VI DEO STATUS key

DISPLAY key

MUTING key

MENU key

POWER key

INPUT key

CHANNEL keys

V-CHIP key

FU NCTI ON ( ▼/ ▲, / ) Keys

EXIT key

SLEEP TIMER key

VCR CONTROL keys

[RM-C2 5 5] AV-27330/S,R AV-2 7S33/ S,R

INPUT key

DISPLAY key

SLEEP TIMER key

HYPER SUR. key

VIDEO STATUS key

MUTING key

FUNCTION (VOL-/+, / )keys

MENU key

POWER key

CHANNEL keys

V-CHIP key

FUNC TI ON ( CH-/ +, ▼/ ▲) keys

EXIT / PIP OFF key

VCR CONTROL keys

VCR / DVD switch

TV / CATV switch

The CH-/+ and VOL-/+ keys ope rate CHANNEL

and VOL UM E n orm al ly.

Thes e keys are also used to na vigate MEN U system.

No.51937

V-27320

V-27330 V-27S33

SPECIFIC SERVICE INSTRUCTIONS

DISASSEMBLY PROCEDURE

REMOVING THE REAR COVER

1. Disc onnec t t he po wer plu g f ro m wa ll out le t.

2. As s hown i n th e Fig.1, rem o ve the 7 screws marked

[For AV -2 73 20/ S,R]

3. As s hown i n Fig.1 , r emo ve t he 3 screws marked

[For AV -2 73 30/ S,R AV- 2 7S3 3/S ,R]

3. As sh own in Fig.1 , r emov e the 4 screws marked

4. Then remo ve th e REAR COVER toward you .

""""

!!!!

REMOVING THE MAIN PWB

After r emovi ng the REAR COV ER.

1. Pick th is s ide of the MA IN PWB an d r ai se on e slig htly, take of f the

PW B stopp er mar ked #

2. W i thdr a w t he chass is backw a rd . (If n ecess ary , r em ov e t he w ire clamp, c onnec t ors etc.)

# f rom th e cabin et b ott om .

REMOVING THE SPEAKER

" After removing the rear cover.

1. As shown in Fig. 1, removing the screws marked

remove the speaker.

2. Foll ow the s ame st eps wh en removi ng the oth er ha nd speak er.

NOTE : When removing the screws marked

remove th e lower si de scr ew fir s t, an d th en rem ov e the up per one .

$$$$

, then

of th e sp eak er ,

CHECKIN G THE PW BOARD

To check the PW Board from back side.

1. Pull out the ch assis ( refer t o REM OVI NG THE MAIN PWB ).

2. Erect th e chas sis ver ti c a lly s o th at you c an ea s i ly ch eck th e bac k

si de of the PW Boar d.

CAUTION

When e recti ng th e ch assi s, b e c ar ef ul so tha t th ere w ill b e no

contacting with other PW Board.

Befor e tu rni ng o n p ower, m ake s ure th at t he wire con nec tor is

prop er l y c on nec ted .

When conducting a check with power supplied, be sure to

confirm that the CRT EART H WIRE (BRAIDED ASS’’’’ Y) is

connec ted to the CRT SOCKET PW boar d.

WIRE CLAMPIN G AND CABLE TYING

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

2. Never remove the c able tie used for tyi ng the wires to gether. Should it be inadverte ntly removed, b e sur e to tie the wir es with a

new cable tie.

No.51937

FRONT CABINET

CRT

CRT SOCKET PWB

SP EAKER

V-27320 V-27330

V-27S33

Thi s exp lode d vi ew des cr ibe s ab out th e AV -2 73 30/S,R a nd AV-2 7S33/S ,R .

Alth ou gh t he AV-27 32 0/S ,R i s sl i g htly diff er ent f r om th is fi gu re, you c an u s e th e

exp lode d vie w f or d is assem b lin g t he AV27 32 0/S, R i n th e sam e s t ep as f or thi s

on e.

MAIN PWB

REAR COVER

SP EAKER

$$$$

HV T

####

PWB STOP PER

""""

!!!!

POWER CORD

Fig .1

No.51937

V-27320

C BUS

)

SYS0

V-27330 V-27S33

MEMORY IC REPLACEMENT

1. Memory IC

This TV uses memory IC. Thi s m em or y IC st ores d at a for prop er o pera ti on of the v ide o a nd deflecti o n cir cuits.

When r ep la cing the memory IC, be sure to use an IC co ntai ni ng this (initia l val ue ) d at a.

2. Memory IC replacement procedure

(1) Power off

Switch off th e pow er an d di scon nec t th e pow er c o rd fro m t he outlet.

(2) Replace the memory IC

Be sure t o use a memory I C writte n with th e initia l s etting d at a.

(3) Power on

Con nect th e power cord to th e outlet a nd s witch on th e power.

(4)Confirm t he sy st em co n st ant v alu e

12 .S YSTEM (SYS ) do not a djust normally .

The adjustment should not be done without signal.

! Ho w t o ent er t he SY STEM ( SYS ).

1) Pr ess the SLEEP T IME R ke y and se t SL EEP TIMER f or 「0 min」.

2) Be for e di sap pe ar the displ a y of SLEE P TIM ER set tings , simu ltan eo usly

press th e DISP LAY key and VIDEO ST A TUS ke y of th e r em ot e c ont rol un it.

3) The SERV ICE M ENU sc r ee n of Fig.1 is d isp layed.

4) While the SERVICE MENU is displayed, select the 12.SY STEM(SYS)

item with FUNCTION ▼/▲ keys, and the FUNCTION / keys is

pressed, the scree n will be displayed as shown in Fig.2.

5) R efe r to the SY ST EM (SY STEM C ON STA NT) TAB LE 1 a nd ch eck t he

setting items. If the value is different, select the setting item with the FUNCTION ▼/▲ keys and ad just t he sett ing with th e FUNCTION

/ keys . (Th e let ter s of th e s elec te d i t em are displ a yed in yel low.)

6) W hen ad justm ent has co mple te d, t he v alues sto re in to memory IC automat ically

7) Press the EX IT key t wice to r eturn th e norm al screen.

SE RVICE MEN U

SERVICE MEN U

1.V/C(S) 2.DEF(D)

3. SOUND(A) 4 .OTHERS( F)

5.PIP(PIP) 6.3L Y/C(LYC)

7.LOW LIGHT 8.HIGH LIGHT

9.RF AFC 10.VCO

12.SYSTEM(SY

11.I2

SELECT BY OPERATE BY EXIT BY

EXIT

Fig.1

12 .SY STEM(SY S

SETTING ITEM

***

SETTING VAL UE

SETTING N o

1 VI DEO IN

Fig.2

KEY ASSIGNMENT OF REMOTE CONTROL UNIT

Verif ied

(RM-C255)

(5) Rec eive channel settin g

Refe r to the OPERA TING INS TR UCTIO NS (USER'S GU IDE) an d set

DISP LAY

th e r ece i ve ch annel s (Cha nn el s Pres et) as des crib ed.

SLEEP TIMER

(6) User se tt in gs

Check th e us er s ett in g it em s acc ording to TABL E 2.

Where thes e d o not ag ree, r ef er to th e OP ER AT ING I NS T RUCT IONS (USER'S GU IDE) an d s et t he it em s as des crib ed.

VIDEO STA TUS

FUNCTION

▲

▼/

EXI T

(7) SERVICE MENU setting

Ve rif y what to s et i n th e SERVI CE MEN U , and s et wh at ever is

necessary. (Fig. 1) R ef er to the SERVICE ADJUSTMENT f or setting.

No. 51937

NOTE

Alt hou gh de sign is diff erent, e ach re mo te cont r ol l er has the same control function.

V-27320

V-27330

V-27S33

TABLE 1 (System Constant setting)

Initial setting value Initial setting value

No. Setting item

SY S01 VIDEO IN 33

SY S02 PIP 00SY S14 16:9 MD 00

SY S03 3D Y/ C 00SY S15 HYP S CA N 11 SY S04 Y CV 00SY S16 EZ SU RF 00

SY S05 CCD PCHK 11SY S17 ID DISP 01

SY S06 PUR ITY 00SYS18 COMP ULINK 00 SY S07 VM 00SY S19 C CD 11

SY S08 NOISE CR 00SY S20 VCH IP 11

SY S09 CLR TEMP 00SYS21 VCHIP CA 11 SY S10 TH EATER 00SY S22 JVC L OGO 11

SY S11 TH EATER PRO 00SY S23 CMP IN 01

SY S12 BB E 00SYS24 CXA1 87 5 00

AV-27 320 /S, R

AV-27 330 /S, R AV - 27 S33 / S, R

No. Setting item

SY S13 HYP SU RR

AV-27 320 /S,R

AV-27 330 /S, R

AV - 27 S33 / S,R

TABLE 2 (User setting)

Setting item Setting value Setting item Setting value

Use remo t e co ntrol ler ke ys

POWE R OFF D ISPL AY OFF

CHA NNEL CH-02 VIDEO STATUS DYNAMIC

VOL UME 10 HYPE R SURROUN D OFF

TV/V IDEO TV BBE ON

Settings of MENU

PICTURE MENU INITIAL SETUP MENU

TINT CENTER

COLO R CENTER FRONT PANELLOCK OFF

PICTURE CENTER+8 V2 CO MPONENT-IN NO

BRIGHT CENTER AUTO SHUT O FF OFF

DETAIL CENTER+10

COLO R TEMPERATURE HIGH

NOISE MUTING ON CHANNE L SU MM AR Y U nn ec ess ary to set

SOUND ADJUST MENU

BASS CENT ER

TR EBL E CEN TER XDS I D

BALANCE CENTER

LA NG U AGE

CLOS ED CAPTIO N OFF

AUTO TUNER SET UP AIR

V-CHI P OFF

SE T LOC K C OD E ( 000 0) U nn eces sary to set

ENG

MTS STE RE O

CLOCK / TIMERS MENU

SE T CLOC K

ON / O FF TIMER OFF

MA NUA L

TIME ZONE : PACIFIC

D.S.T. : OFF

No. 51937

V-27320

V-27330 V-27S33

SERVICE ADJUSTMENTS

ADJUSTMENT PREPAR ATION

1. You c an ma ke the nec es sar y adjustme n ts f or t his unit wi th

eit her th e Remo t e Co ntro l Unit or With t he adjust m e n t

tools and parts as given below.

2. Ad justment wit h t he Remote Control Unit is ma de on t he

bas is of t h e in itial sett in g v al ues, h owev er, the ne w setti ng

values which set the screen to its optimum condition may

differ f rom the init ia l s ett ings.

3. M ake sur e that AC p ower i s tu r ned on c orrec tly.

4. T ur n on the pow e r f or set an d test e qu i pm ent bef or e us e, an d

start th e adj us tme nt p r oced ur es aft er wai ti n g at least 3 0

min ute s.

5. Unless oth erw is e spec if i ed, prep are th e most s uitab l e r ecepti o n

or input sign al for adjust ment.

6. Never touc h an y ad justmen t p arts which a re n ot sp ecified in th e

list for this adjustment - variable resistors, transformers,

condensers, etc.

7. Pr es etting b efore adj ustm en t.

Unl es s oth er w is e s pec if i ed in th e ad jus tm en t instruct ions,

pres et the f ollowi ng function s with the rem ote co ntr ol u nit:

User menu preset value

MENU ITEM PRES ET V ALUE

PICTURE MODE (VSM) DYNAMIC 0

BA SS, TREB LE, BA LANCE

HYPE R SURROUND

TINT, COLOR, PICTURE, BRIGHT , DETAI L

MTS

CENTER

OFF

CENTER

STEREO

ADJUSTMENT EQUIPMENT

1. DC voltmeter (or digital voltmeter)

2. Oscilloscop e

3. Si gn al g ener at or (P att er n g ener at or)［NTSC

4. Remote control unit

5. TV a ud io multiple x si gn al ge ner ator.

6. Frequ enc y cou nte r

］

ADJUSTMENT ITEMS

Ad just ment item s Ad ju st ment item s

B1 POW ER SU PPL Y SU B B RI GH T

MAIN VCO SUB CONTRAST

RF. AGC SUB COLOR

FOC US SUB TI NT

V. HEIGHT V. CENTER MTS IN PUT L EVEL ch eck

H. CENTER

WHITE BA LANCE ( Low L igh t)

WHITE BA LANCE ( Hig h L i ght )

MTS SEP ARATIO N

KEY ASSIGNMENT OF REMOTE CONTROL UNIT

(RM-C255)

DISP LAY

SLEEP

TIMER

VIDEO

STA TUS

FUNCTION

Alt hou gh de sign is diff erent, e ach re mo te

NOTE

Controller has the same control function.

FUNCTION ▼/▲

EXI T

No.51937

ADJUSTMENT LOCATIONS

(

)

V-27320 V-27330

V-27S33

FRONT

POWER

MAIN PWB

POWER

CRT SOCKET PWB

Within MAIN PWB ASS'Y

TP-B

TP-E

(SOLDER SIDE)

VOL+ VOL- CH+ CH - MENU

TOP

CR T EAR TH

(BRAIDED ASS' Y)

IC70 2

F901

[ AV- 273 20 /S, R]

IC20 1

T111

IC42 1

IC10 1

S401

IC90 1

[ AV- 27 33 0/ S,R] [ AV-27S33 /S,R]

TUNER

HV T

AV IN / OUT

No.51937

UPPE R : FOCU S LOWER : SCREEN

V-27320

V-27330 V-27S33

BASIC OPERATION OF SERVICE MENU

1. TOOL OF SERVICE MENU OPERATION

Operat e the SERVICE MENU with th e REMOTE CONTROL UNIT.

2. In general, basic setting (adjustments) items or verifications are performed in the SERVICE MENU.

(1) V/C (S) ･････････････････････ This se t th e s etting values (adjustment va lues) of the VIDEO/ CHROM A circuits.

(2) DEF (D) (3) SOUND (A) ･････････････････ This set the s ettin g values (a djustme nt val ues) of th e AUD IO ci rcuit.

(4) OTHERS (F) (5) PIP (PIP) ･･･････････････････ This se t the s ettin g valu es( adjustm ent va lues) of th e P ICTURE-IN-PICTURE circuit.

(6) 3L Y/C (LYC) ････････････････ Thi s is us ed when th e 3L Y/C MODE is verified . [Do not adjust]

(7) LOW LIGHT (8) HIGH LIGHT ････････････････ Thi s se ts th e setti ng values ( a djust me nt values ) of t he W HITE BAL AN CE cir cuit

(9) RF AFC ････････････････････ This is used when the RF AFC MODE is verified. [Do not adjust] (10) VCO ･･･････････････････････ This i s us ed w hen the I F VC O is a dj ust ed .

(11) I2C BU S ････････････････････ This i s us ed w hen ON/O FF of t he I2C BUS CTRL is set. [Fixed ON] (12) SYSTEM ( SYS) ･･････････････ This i s us ed w hen the S YST E M is ve rif i ed. [Do not adjust]

3. Basi c Op era tions of the SERVI CE M EN U (1) How to enter the SERVICE MENU.

(2) SERVICE MENU screen selection

････････････････････

････････････････

･････････････････

Press the SLEEP TIM ER key and set the SL E EP T IM ER for ｢0 MIN｣ .

Then press the DI SPLAY key and VIDE O ST ATU S key of

the remote contr ol u nit at the same time to enter th e SERVICE MENU screen.

In SERVICE MENU, press th e FUNCTION ▼/▲ key to

sel ect an y of th e SUB MEN U it em s. (The l e tte rs of the s elect ed it em s are di sp layed in ye llo w. )

This se t th e s etting values (adjustment values) of th e DEFLECTIO N circuit.

This is used when the OTHERS MODE is verified. [Do not adjust]

(PIP i s me ans as P icture I n P icture) [Do not have Function]

Thi s se ts th e s etti ng va lues ( adj ust me nt val ues ) of t he W HITE BAL ANC E circui t.

SERVIC E MENU

1.V/C(S) 2.DEF(D)

3.SOUND(A) 4.OTHERS(F)

5.PIP(PIP) 6.3L Y/C(LYC)

7.LOW LIGHT 8.HIGH LIGHT

9.RF AFC 10.VCO

11.I2C BUS 12.SYSTEM(SYS)

SELECT BY OPERATE BY EXIT BY

EXIT

(3) Enter the any setting ( adjustment ) mode

1.V/C (S), 2.DEF (D), 3.SOUND (A), 4.OTHERS (F),

5. PIP ( PI P), 6. 3L Y/ C (LY C), 7. LO W LIG HT, 8 .HI GH

LIGHT, 9.RF AFC 10.VCO 1 1.I2C BUS an d 12.SYSTEM (SYS) mode

1) If select an y of 1.V/C (S) / 2.DEF (D) / 3.SOUND (A)

/ 4.OT HERS (F) / 5.PIP ( PIP ) / 6.3L Y/C (LYC) /

7.LOW LIGHT / 8.HIGH LI GHT / 9.RF AFC /

10 .VC O / 11.I2C BUS /12.SY STEM (SYS) it ems,

an d t he FU NCT ION / key is pr ess ed fr om

SERVICE MENU ( MAIN ME NU ), th e each scr eens will b e dis played as shown in figure page later.

2) The n the sett in gs or ver ifi cation s ca n be p erfor m ed

KEY ASSIGNMENT OF REMOTE CONTROL UNIT

(RM-C255)

DISP LAY

SLEEP

TIMER

VIDEO

STA TUS

FUNCTION

Alt hou gh de sign is diff erent, e ach re mote

NOTE

Controller has the same control function.

▼/

EXI T

▲

No. 51937

SERV ICE M ENU (MAIN MENU)

SE RV IC E M EN U

1.V/C (S) 2.DE F(D)

3.SOUND(A) 4. OTH ER S(F)

5.PIP (P IP) 6. 3L Y /C( LYC )

7.LOW LIGHT 8 .HIGH LIG HT

9.RF AFC 10 .VCO

11.12 C BUS 12.SYST EM(SYS)

SELECT BY OPE RAT E BY EXIT BY

EXIT

V-27320 V-27330

V-27S33

1.V/C( S)

R F 4 : 3 S T D L O W

S0 1 BR IG H T

2.DEF (D)

R F 4 : 3 S T D L O W

D 01 V F REQ

3.SOU ND(A)

A 01 IN L EVE L

***

7.LOW LIGH T

BRIGHT

***

*** ***

8.HIGH LIG HT

***

9.RF AFC

TOO HIGH GOOD T OO LOW T U NE R M AI N

AF G O N FIN E

DO not ad ju st

4.OTHERS(F)

F0 1 OS D POSI

5.PIP(PIP)

PI P01 B RIG HT

6.3L Y/C(LY C)

LYC01 MODE

***

10.VCO

T U NE R MA IN HI G H LE V EL

RE FERENCE LEVEL LO W LEVEL

SY N C NO

11.I2C BUS

I2 C BU S ON

12.SY ST EM ( SY S )

SY S01 VIDE O IN

DO not ad ju st

***

No. 51937

V-27320

V-27330 V-27S33

(4) Setting method

1) FUNCTION ▼/▲ key.

Select t he SETTIN G IT EM.

2) FUNCTION / key Setti ng (adjust) the SETTING VALUE of t he SETTIN G ITEM.

When the key is r el ea s ed th e SET TI NG VAL UE w ill b e st ored (memorized).

3) EX IT key

Retu rn s to th e p re v ious scr een .

(5) Rel easing SERVICE MENU

1) Af ter r etu rn i ng to t he SE RV IC E M ENU up on co mpletion of th e s etti n g (adjus tment) wo rk, pr ess t he EXI T key agai n.

★ The s etting s f or L OW LIGH T and HI GH L IGH T are des cribe d i n th e

WHITE BA LANCE p ag e of AD JU STMENT .

★ The s ettin g for MA IN VCO ar e d escribed in th e VCO p age of

ADJUSTM ENT.

SETTING N o

RF 4 : 3 STD LOW

SETTING ITEM

1.V/C (S)

BRI GHT

***

7.LOW LIGHT

***S01 B RIG HT

SETTING VAL UE

***

8.HIGH LIGHT

TUNER MAIN HI

H LEVEL REF ERE NCE L EVEL LOW LEVEL

SYNC NO

10.VCO

No. 51937

V-27320

V-27330

V-27S33

INITIAL SETTING VALUE OF SERVICE MENU

1. Adjustment of the SERVICE MENU is made on the ba sis of the initial setting va lu es ; ho wev er, the new setting values whic h set the screen in its optim um condition may differ from the initial setting.

2. Do no t change the initial Setting Value s of the Setting (Adjustment) items not listed In “ADJUSTMENT”.

V / C M ODE

Initial setting value

RF EXTERNAL (S,CV) COMPONENTNo. Setting item

STANDARD THEATER STANDARD THEATER STANDARD THEATER

S01 BRIGHT

S02 PICTURE

S03 COLOR

S04 TIN T

S05 DET AIL

S06 BRIGHT +-

S07 PICT+ -

S08 COLOR +-

S09 TIN T+-

S10 DETAIL +-

No. Setting item

S11 R CUT OFF 50 --- --- --- --- --- --- ---

S12 G CUT OFF 50 --- --- --- --- --- --- ---

S13 B CUT OFF 50 --- --- --- --- --- --- ---

S14 R DRIVE 64 --- --- --- --- --- --- ---

S15 B DRIVE 64 --- --- --- --- --- ---

S16 R CUT+-

S17 G CUT+- --- 0 0 0 0 --- --- ---

S18 B CUT+- --- 0 0 0 -10 --- --- ---

S19 R DRV+- --- +5 +17 +7 0 --- --- ---

S20 B DRV+- ---+6-9-9 0 ---------

S21 NT SC MAT 33112211

S22 BLACK ST 1 - -- 1 - -- - -- - -- --- ---

S23 DCREST 1 - -- 1 - -- - -- - -- - -- - --

S24 DCRSW 1 - -- 1 - -- - -- - -- --- ---

64 --- --- --- --- ---

65 --- --- --- --- ---

45 --- --- --- 47 ---

60 --- --- --- 64 ---

30 --- 35 - -- 40 ---

--- 0 -2 --- +3 ---

- -- -15 0 - -- 0 - --

----3-2---------

--- -6+2------ ---

--- +3 --- --- --- ---

Initial setting value

RF/EXT (S,CV)

STANDARD THEATER STANDARD

LOW HIGH LOW HI GH LOW HIGH LOW HI GH

--- 0 0 0 -10 --- --- ---

COMPONENT

--- c a n n ot be ad ju stm ent

THEATER

No. Setting item

S25 AS Y SHRP 444

S26 BP F FO 00---

S27 KIL R OFF 00---

S28 KIL R SEN 11---

RF EXTERNAL (S,CV) COMPONENT

No. 51937

Initial setting value

V-27320

V-27330 V-27S33

No. Se tting ite m Initial setting value No . Setting it e m Initial settin g value

S29 RGB MU TE 0 S3 9 Y M UTE 0

S30 BLUE B 0 S40 SV M G AIN 0

S31 VIDEO SW 3 S41 SVM PH 0

S32 CMP ABCL 0

S33 RGB ABCL 0 S43

S34 OSD CON T 9 S44 V1 GAI N 4

S35 SUB CONT 8 S4 5 AGC A DJ 80

S36 AB L GA IN 0 S46 VMOFF DE 0

S37 ABL PNT 3 S4 7 AP C CLK 1

S38 Y G AM MA 1

S42 WPL

COL G MM

DE F M O D E

Initial setting value Initial setting value

AV-27 320 /S

No. Setting item

D01 V FREQ 0303D 18 WVMT BTM 0000

D02 AFC GAI N 0202D19

D03 H POSI 12 12 12 12 D20 EWCR T+- --- --- --- ---

D04

H POS I+-

D05 V PHASE 0000D22 EWCR B+- --- --- --- ---

D06

V PH+ -

D07 V SIZE 55 55 55 55 D24 EW PR A+ - --- --- --- ---

D08

V SIZE +-

D09 V CENTER 32 32 32 32 D26 V EHT+- --- --- --- ---

D10

V CENT+-

D11 V S CORR 4433D28 H EHT+- --- --- --- ---

D12 V S CO+- --- --- --- --- D29 TRAPEZ 34 34 34 34

D13 V LIN 11 11 11 11 D30 TRAPEZ+- --- --- --- ---

D14

V LIN+ -

D15

H SIZE

D16

H SIZE +-

D17

WVMT TOP 0000

AV-27 330 /S

AV - 27 S33 / S

RF EXT

--- --- --- --- D21

--- --- --- --- D23

--- --- --- --- D25

--- --- --- --- D27

--- --- --- --- D31

32 32 32 32 D32

--- --- --- --- D33

AV-27 320 /R AV-27 330 /R AV - 27 S33 / R

RF EXT

No. Setting item

EWCR TOP

EWCR BTM

EW PA RA

V EHT

H EHT

V AGC

BLANK SW

VRMP BI

AV-27 320 /S AV-27 330 /S AV - 27 S33 / S

RF EXT RF EXT

16 16 16 16

26 26 26 26

0000

--- c a n n ot be ad ju stm ent

AV-27 320 /R AV-27 330 /R

AV - 27 S33 / R

SOUND MODE

No. Setting ite m Initial setting value

A01 IN LEVEL 01 2

A02 LOW SEP 03 9

A03 HI SEP 01 6

A04 SA PC 000

A05 BB E BA SS - 006

A06 BB E TRE -006

No. 51937

V-27320

V-27330

V-27S33

" OTHERS MODE (Do not adjust)

No. Setting ite m Initial se tting v al ue No . Setting it e m Initial setting value

F01 OSD POS I 27 F15 VCSN 1 0

F02 OSD PR EQ 83 F16 VCSN 2 10

F03 CCD POSI 45 F17 VCSN 3 20

F04 CCD FREQ 93 F18 VCSN STP 02

F05 OSD CONT 11 F19 VN D AT A +8

F06 PUR WBCK 0 F20 VM DAT B -4

F07 PUR CONT 62 F21 VM DAT C -10

F08 SN TYP E 0 F22 VM DAT D -16

F09 YCSN TM 5 F23 VM DAT E 0

F10 YCSN E 5 F24 VMOFF TY 0

F11 YCSN F 16 F25 YC VM OFF 25 5

F12 YCSN G 32 F26 EZSF T M 40

F13 VNR CHK 3 F27 XDSID TM 15

F14 VCSN TM 5 F28 FM TRAP 1

3L Y / C MODE (Do not adjust)

No. Se tting item Init ial setting value

LYC01 MO DE 4

LYC02 VE NH 1

LYC03 PD SO FF 0

LYC04 CB 0

LYC05 VN LR 2

LYC06 GSE L0 0

LYC07 GSE L1 1

LYC08 COR 0

LYC09 TRAP 1

LYC10 CHTRAP 0

LYC11 C BPF 0

LYC12 ENHOFF 0

Se tting item ca n n ot displ a y

" SY STEM MODE ( Do no t a djust )

Initial setting value

No. Setting item

SY S01 VIDEO IN 33

SY S02 PIP 00

SY S03 3D Y/ C 00

SY S04 Y CV 00

SY S05 CCD PCHK 11

SY S06 PUR ITY 00

SY S07 VM 00

SY S08 NOISE CR 00

SY S09 CLR TEMP 00

SY S10 TH EATER 00

SY S11 TH EATER PRO 00

SY S12 BB E 00

AV-27 320 /S, R

AV-27 330 /S, R

AV - 27 S33 / S, R

No. Setting item

SY S13 HYP SU RR

SY S14 16:9 MD 00

SY S15 HYP S CA N 11

SY S16 EZ SU RF 00

SY S17 ID DISP 01

SY S18 COMPU LINK 00

SY S19 CCD 11

SY S20 VCH IP 11

SY S21 VCH IP C A 11

SY S22 JVC L OGO 11

SY S23 CMP IN 01

SY S24 CXA1 875 00

No. 51937

Initial setting value

AV-27 320 /S,R

AV-27 330 /S, R

AV - 27 S33 / S,R

V-27320

V-27330 V-27S33

" PIP MODE (Do not adjust)

No. Se tting it e m Init ial setting value No. Se tting item Initial set ting v al ue

PIP01 BRIGHT 0 PIP 27 UVPO LAR 0

PIP 02 PICTURE 30 PIP28 MAT 1

PIP 03 TINTI 42 PIP 29 YCOR 1

PIP 04 COLO R 6 PIP 30 XFR EQF 1

PIP 05 R CUTO FF 0 PIP31 WTCHDG 1

PIP 06 G CUTOFF 0 PIP 32 COLO N 0

PIP 07 B CUTOFF 0 PIP33 ACQNEW 0

PIP 08 R DRI VE 65 PIP 34 DSTD ET 1

PIP 09 G DRIVE 65 PIP35 CRI BEOK 0

PIP 10 B DRIVE 63 PIP 36 FCBEOK 0

PIP11 L POSI 22 PIP 37 NOCRI D 0

PIP 12 R POS I 15 PIP 38 NONSED 0

PIP 13 UPR POS I 12 PIP 39 PIP AD J 4

PIP 14 LWR PO SI 11 PIP40 BRI EXT 0

PIP 15 PICT L CK 1 PIP 41 PCT EX T 0

PIP16 SELDEL 0 PIP 42 TN T EXT 0

PIP 17 AGCFIX 1 PIP43 COR EXT 0

PIP18 AGCADST 0 PIP44 R-D EXT 0

PIP 19 AGC 7 PIP45 G-D EXT 0

PIP 20 BL KINVB 0 PIP 46 B- D EXT 0

PIP 21 BL KINVR 0 PIP47 BRT COMP 0

PIP22 VSPDEL 0 PIP48 PCT COMP 0

PIP23 VSPISQ 1 PIP49 TNT COMP 0

PIP24 RGBIN 0 PIP 50 COR COMP 0

PIP 25 FR SEL 1 PIP 51 R-D COMP 0

PIP26 OUTFOR 0 PIP52 G- D COMP 0

PIP53 B-D COMP 0

NOTE

LOW LIGHT MODE

No. Setting ite m Initial setting value

1RED 50

2GREEN 50 3BLUE 50

HIGH LIGHT MODE

No. Setting ite m Initial setting value

1RED 64 2BLUE 64

The AV- 27 32 0/S ,R AV -2 73 30/ S,R AV -27S 33/ S,R m od el d o n ot h ave PIP fun cti on , Bu t, if me mo ry d ata is o ut of variab le r an ge , occa siona lly some p r obl e ms h appe n. Then we n ee d to i n put th es e dat a.

No. 51937

■

)

ADJUSTMENTS

B1 POWER SUPPLY

Item

Check of B1 POWER

SUPP LY

Measuring

instrume nt

DC Volt met e r 【【【【B1 】】】】

ADJUS TMENT OF VCO

Test point Ad justment part Description

1. R eceiv e th e blac k-a nd -whit e s ign al . ( c olo r off )

Connector

TP-91 TP-E(#)

2. C on nec t the D C voltm et er to 【B1 】co nne ctor 【1】pin (TP-91) an d TP -E (#) ( B1 connect or【3】pin ).

3. Confirm that the voltage is DC134V±2V.

V-27320 V-27330

V-27S33

Item

MAI N VCO adjus tment

TUNER MAIN HIGH LEVEL REF ERE NCE L EVEL

LOW LEVEL SYNC NO

Measuring

instrume nt Signal gener ator

Test point Ad justment part Description

10.VCO MAIN

CW TRANSF.(T111 [MAIN PWB]

GREE N

It must not adjust without sig nal

1. Se le ct a r ece iva ble br oa dcast .

2. Pu s h th e F U N CTI ON ▼ / ▲ key, and sel ec t th e 10 .VCO

mod e from th e SERVICE MENU.

3. Push the FUNCTION / key, and select MAIN.

4. C onf irm that t he c o lo r chan ge fr om ｢HIGH LEVEL｣ to ｢LOW

LEVEL｣ b y CW TR AN SF T11 1 at M AIN PWB, and ch eck th e ｢SYNC : YES｣.

5. Adjust until ｢REFFERENCE LEVEL｣ m ar k tu rn s gre en. And th en con firm t hat the ｢SYNC : YE S｣ agai n.

ADJUS TMENT OF RF AGC

Item

RF. AGC adjus tment

No. Setting item

S45 AGC ADJ 0～127 80

Measuring

instrume nt

Test point Ad justment part Description

S45 AGC ADJ 1. Recei v e a black and whit e s ign al ( color off).

2. Select S45 AGC ADJ of th e V /C MODE.

3. Pr es s the MUT IN G ke y and t ur n of f c olor.

4. Wi th th e FUNC TION key t o ge t th e n oi se in t he s cr e en pictu re ( zero s id e of s etting va lu e) .

5. Press the FUNCTION key several times and step when

Variabl e

range

Initial setting

value

n ois e dis appear s f rom th e scr ee n ( a t th at time , not to in c r eas e

th e va lu e too mu ch).

6. Cha nge to oth er ch an ne ls a nd make s ur e t hat th ere I s n o

irregularity.

7. Press the MUTING key and get color out.

No. 51937

V-27320

(

)

V-27330 V-27S33

ADJUS TMENT OF FOCUS

Item

FOCUS adjus tment

Measuring

instrume nt

Signal gener ator

Test point Ad justment part Description

FOCUS VR [In HV T]

ADJUS TMENT OF DEFLECTION CIRCUIT

1. R eceiv e th e cross -hatch sign al.

2. Whi l e loo king at t he sc r ee n, adj u st th e FOCUS VR to the

vertical and horizontal lines will be clear and in fine det ail.

3. M ake sure t hat th e p ict ur e is i n f oc us even whe n t he sc r ee n

g ets d ar ken ed.

Item

V. HE IGHT V. CENTER

adjus tment

Scr een size

( 90.0 %)

Measuring

instrume nt

Signal

gener ator

Scr een s ize

Picture size (100 %

Test point Ad justment part Description

D05 V P HAS E D07 V SI Z E

V. CENTER SW (S40 1) [MAIN PWB]

Picture size

100 %

1. Recei ve th e cross -hatch sign al.

2. Se le ct t he D05 V PHASE of th e DEF (D) mod e, a nd it che cks th at t he valu e of D05 V PHASE is 0.

3. Ad ju st the v e rt ic al sc r ee n size of th e scr een t op to 9 0. 0% wit h the D07 V SIZE an d V CENTER SW S401

No. Setting item

D05 V PHASE 0～7 0

D07 V SIZE 0～127 55

Variabl e

range

Initial setting

value

H. CENTER adjus tment

Signal gener ator

D03. H POSI 1. Recei ve th e cross -hatch sign al.

2. Select D0 3. H POS I fr om D EF ( D) m ode .

3. Adjust by H POSITION to b e sa me size a t b oth side.

No. Setting item

D03 H POSI 0～31 12

Variabl e

No. 51937

range

Initial setting

value

ADJUS TMENT OF WHITE BALANC E

Item

WHITE BALANCE (Low Light) adjus tment

Measuring

instrume nt

Signal gener ator

BRI GHT

***

Test point Ad justment part Description

[LOW LIGHT]

***

R CUTOFF (S11) G CUTOFF (S12) B CUTOFF (S13)

BR IG HT (S 01)

SCREEN VR [ in HVT]

V-27320 V-27330

V-27S33

1. R eceiv e th e bl ac k an d wh it e s ign al ( colo r off ).

2. Select t he [LOW LIGHT] MOD E f rom th e SE RVIC E MENU.

3. Set the initial setting value of “R CUTOFF”, “G CUTOFF” “B CUTOFF” and BRIGHT.

4. D isp lay a si ng le horiz o nta l lin e by p r es sing t he ①①①① key of t he

remote control unit.

5. Tur n t he scr een VR a ll the w ay t o t he l eft.

6. Turn th e s cr een V R g ra du al l y t o the r i gh t f r om th e left until eith er o ne of the red, bl u e or g r een co lors appea rs faintly.

7. Adju st th e two colors wh i ch did no t a ppear u nti l th e si ng l e h orizo ntal l in e t hat is di spla yed bec omes whit e us ing th e ④④④④ to

⑨⑨⑨⑨

keys o f th e re mo te c ontrol un it .

8. Tur n th e scr ee n VR u ntil the s i ng l e hor i zon tal lin e i s displ a yed

fain tly.

9. Pr es s the

10 . Ad ju st th e BR IG HT lev el to bec om e th e blac k c ompon en t

shines whit e slightly.

11 . C onf irm that whet her the co lor i ng r edi e nt of R ,G, or B is v isi bl e

to the b l ack co mp one nt, whic h shine s whi te sl ig htly

12 . When the c ol o r in gr ed ient c an be s een, t wo colors o ther than a

visible color are adjusted, and it is made to look white.

13. Return the value of BRIGHT to initi al s etting value.

②②②②

key to cancel the single horizontal line mode.

REMOTE CONTROL UNIT

H. LI NE ON E XI TH. LI NE OFF

1 2 3

R CU TOFF B CUTOF FG C UTO FF

●

③③③③

The

EXIT key is the cancel key for the WHIT E BALANCE.

No. Setting item

Variabl e

range

Initial setting

value

S11 R CUT OFF 0～255 50

S12 G C UT OFF

S13 B CUT OFF

S01 BRIG HT

987

0～255

0～127

No.51937

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