JVC AV32T25EKS User manual

No.51968
AV32T25EKS / AV32R25EK
S
AV32T55EKS / AV32R250EK
S
AV32T25EI
S
1COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
May 2002
AV32T25EKS / AV32R25EKS
AV32T55EKS / AV32R250EKS
AV32T25EIS
CONTENTS
!SPECIFICATIONS ････････････････････････････････
････････････････････････････････････････････････････････････････
･････････････････････････････････････････････････････････････
･･････････････････････････････････････････････････････････
･････････････････････････････ 2
!SAFETY PRECAUT IONS ････････････････････････････････
････････････････････････････････････････････････････････････････
･･･････････････････････････････････････････････････････
･･････････････････････････････････････････････
･･･････････････････････ 4
!WAR NING ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････････････････････
･･･････････････････････････････････
･･････
･･･ 4
!FEATURES････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････････････････････
･･･････････････････････････････････
･･････
･･･ 5
!MAIN DIFFERENCE LIST ････････････････････････････････
････････････････････････････････････････････････････････････････
･･･････････････････････････････････････････････････････
･･････････････････････････････････････････････
･･･････････････････････ 5
!SPECIFIC SERVICE INSTRUCTIONS ････････････････････････････････
････････････････････････････････････････････････････････････････
･････････････････････････････････････････････
･･････････････････････････
･････････････ 6
!SERVICE ADJUSTMENTS ････････････････････････････････
････････････････････････････････････････････････････････････････
･････････････････････････････････････････････････････
･･････････････････････････････････････････
･････････････････････ 14
!PARTS LIST ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････････････････････
･････････････････････････････････
･･
･31
★STANDARD CIRCUIT DIAGRAM ････････････････････････････････
････････････････････････････････････････････････････････････････
････････････････････････････････････････････････
････････････････････････････････
････････････････2- 1
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
JL
www.freeservicemanuals.info
26/1/2014
Global electronic heritage manuals

No.51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
2
SPECIFICATIONS
Content
Item AV 32 T 25 EK S
AV 32 T 55 EK S AV 32 T 25 EIS AV32R25EKS AV 32 R 25 0EK S
Dimensions ( W×
××
×H×
××
×D ) 94 6m m×5 61. 5m m×5 47mm 94 6m m×5 61. 5m m ×5 51mm
Mass 54 .5 kg 57 .5kg
TV RF System CCIR (I )
Colour Sy stem PA L
NTSC (Only in EXT mode)
St ere o Sy st em NICAM
Teletext System FLOF (Fastext)
WST(Standard system)
Receiving Frequency
VHF 47 MHz ～47 0MHz
UHF 47 0MHz ～862MHz
Intermediate Frequency
VIF Carrier 38.9MHz ( I )
SIF Car rier 32.9 MHz ( 6 .0MHz:I )
Colour Sub Carrier Freq.
PAL 4.43MHz
NT SC 3.58MHz / 4.43MHz
Power Input AC 2 20V ～2 40V , 5 0H z
Power Consumption 20 0W (Ma x) / 1 27W ( Avg)
St and by : 3W
Aerial Input Term 75 Ωun ba lanc ed, C oaxial
Pictur e Tube Vi si ble si ze : 76cm, M eas ured di a gon all y
Hi g h Vo lt ag e 31.0kV (CRT cut off ,FULL mode)
Spe ake r 6.5 cm×13cm Oval type×2
6.5 cm ×13cm Oval type×2(side)
4cm×16cm Ova l type×1 ( ce nte r)
φ13cm Round type×1 (sub woofer)
Au dio Output 10 W + 10W 10 W + 10 W + 10W + 18W
EX T-1/EXT-2/ EX T-3
(Input / Output)
21 -p in E uro c onn ecto r
(SCART socket)
EXT-4 (Input) Video 1V p- p 7 5Ω( RCA pi n ja ck)
Au dio (L /R) 50 0m Vrms( -4dB s ), High Im pe dan ce ( RCA pin jack )
S / Video Y : 1V p-p POSITIVE (Negative sync Provided, when terminated with 75Ω)
C : 0 .28 6V p-p (Burst signal, when terminated with 75Ω)
AUDIO OUT (Variable) 0～1 Vrms, Low Im p ed ance (RCA pin jack×2)
SURROUND REAR output 7.5 W + 7.5W , Im ped an ce 8Ω
(Push terminal)
Headphone jack St er eo min i j ac k ( φ3.5mm)
Remote Control Unit RM-C 55H RM-C 60 H
Design & sp eci ficatio ns ar e subje ct to change wi thout notice .
[AV32R25EKS / AV32R250EKS only]
★M anu fact ured u nd er l ic ens e fr om D olb y La bo ra tor ies Licen si ng Co r porat io n.
“Dolby”an d t he do ub le -D s ym b ol ar e tr ad em arks of D olb y Lab o ra tor ies Li cen sing Co r porat io n.
+1kV
-1. 5kV
www.freeservicemanuals.info
26/1/2014
Global electronic heritage manuals

No.51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
3
■
■■
■21-pin Euro connector (SCART socket) : EXT-1 / EXT-2 / EXT-3
(P-P= Peak to Peak, S-W= Sync tip to white peak, B-W= Blanking to white peak)
Pin
No . Signal Designation Matching Value EXT-1 EXT-2 EXT-3
1 AU DIO R o ut put 50 0m Vrms( Nom ina l),
Low impedance
○
(TV OUT)
○
(LINE OUT) NC
2 AU DIO R in put 50 0m Vrms( Nom ina l),
Hig h i mpe da nce ○○○
3 AU DIO L o utp ut 50 0m Vrms( Nom ina l),
Low impedance
○
(TV OUT)
○
(LINE OUT) NC
4 AUDIO G ND ○○○
5 GND (B) ○○○
6 AUDIO L input 500mVrms(Nominal),
Hig h i mpe da nce ○○○
7Binput 700mV
B- W , 75Ω○NC NC
8 FUNCTON SW
(SLOW SW)
Low : 0-3V, High : 8-12V, High
impedance
○○○
9 GND (G) ○○○
10 SCL3 NC ○NC
11 G in put 70 0m VB- W , 75Ω○NC NC
12 SDA3 NC ○NC
13 GND (R) ○○○
14 GND (YS)○NC NC
15 R / C input R : 700mVB-W, 75Ω
C : 300mVP- P , 75Ω
○
(only R)
○
(only C)
○
(only C)
16 Ys in put Low : 0 - 0.4, High : 1 - 3V, 75Ω○ NC NC
17 GND(VIDEO output) ○○○
18 GND(VIDEO input) ○○○
19 VIDEO ou tpu t 1V P- P( Nega ti ve g oin g sync ), 75 Ω○
(TV)
○
(LINE OUT) NC
20 VIDEO / Y input 1VP- P( Nega ti ve g oi n g sync ), 75 Ω○ ○ ○
21 COM MON G ND ○○○
[Pin assignment]
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26/1/2014
Global electronic heritage manuals

No.51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
4
SAFETY PRECAUTIONS
1. The d esign of thi s pr o du ct c ont ains spe cial har d wa re and ma ny
circuits and components specially for safety purposes. For
con tinu ed pr ot ecti on , n o chan g es sh ou ld b e ma de to the o rig inal
d esi gn un less a uth or ized i n writi n g by th e ma nu fact ur er.
Rep lacem en t p ar ts m ust b e i d ent ic al to thos e u sed in th e or igin al
ci rcu it s. S er vice sho ul d b e p erform ed by qu al if i ed p ers on nel
on ly.
2. Al te r ation s of th e desig n or circ ui tr y of th e pr od uct sho uld no t b e
made. Any design alterations or additions will void the
m anu fact urer 's warra nt y and will f ur th er r eli eve t he ma nu factu r er
of r esp onsi b ility for per so na l i njury or p r op erty d am ag e r esult in g
th er efr om .
3. M an y electr ical a nd me cha nical p arts i n the pr od uct h ave spe cial
saf ety- relat ed ch aract er ist ics. Thes e ch aracter istics a re oft en not
evi d ent fr om visu al insp ecti o n no r c an th e p r otect i on af for de d by
th em n ecess ar y b e o bta in ed by using r e plac em ent c om pon en ts
r ate d for high er volta ge, wa tta ge , etc. Re placem en t p art s wh ic h
h ave th ese spe ci al saf et y c har ac ter istic s ar e id ent if i ed i n th e
Pa rts Li st of S ervi ce Ma nu al. El ectr ical co mp on en ts h avi ng suc h
fe atur es ar e ide nti fi ed b y sh ad in g on th e sche ma tic s a nd by ( !)
on t he P ar ts List in the S ervice Man ual. The u se of a sub stitut e
r eplac em ent which d oes no t h ave th e s am e saf ety
ch ar acteristi cs as the r e comm end ed r eplace m ent p ar t sho wn in
th e P ar ts List of Se rvi ce M an ual m ay cau se sh ock, f ir e, or ot her
hazards.
4. The l ea ds i n th e p r odu cts are rou ted an d d r essed wit h t i es,
cl amps, tu bi ng ’s, b ar rie rs a nd t he like t o be s epa ra ted from live
p arts, h ig h t em pe ra ture pa rts, m ovi ng par ts an d / or sh ar p ed ge s
for t he p r even tion of e l ectr ic sh ock and fi re h azard. W he n
ser vice is r e qu ir ed , the or igin al l e ad r outin g and d re ss sh ou ld b e
ob ser ved , and it sh oul d b e co nfir med t hat th ey h ave b ee n
r etu rn ed to no rmal, aft er r e-asse mb lin g.
WARNING
1. The eq ui pme nt h as b ee n d esi g ned a nd m anu fact ur ed to me et inte rn ati o nal saf ety sta nd ar ds.
2. It i s t he l eg al r esp onsib il ity o f th e re pa ir er t o e nsur e th at t hes e s afet y sta nd ar ds ar e m aint ai ne d.
3. Rep airs mu st b e m ad e in acc ordan ce with th e r ele vant saf ety st an dar ds .
4. It i s essen ti al t hat saf ety cr itical c omp on ent s ar e r eplac ed by a pp ro ved pa rt s.
5. If main s volt ag e sel ec tor i s p r ovide d, ch eck s ettin g f or l oca l vo ltag e.
www.freeservicemanuals.info
26/1/2014
Global electronic heritage manuals

No.51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
5
FEATURES
"By pr ef erenc e, users can sele ct th e picture size fr om REG ULAR,
PANO RA MIC, FULL, 14:9 ZOOM, 16:9 ZOO M, 16:9 ZOOM SUB
TITL E m od es. W he n th e T V u nit r e cei ved W SS p ict ur e si gn al, th e
picture can be ch anged t o 16:9 ZOOM mode automatic ally.
"The TELE TEXT S YSTE M has a b uilt - in FAS TEXT, a nd W ST
system.
"Be caus e th is TV un i t cor resp on ds t o m ulti ple x br oa dca st, u sers
can enjoy music programs and sporting events with live realism.
In ad di tion , BI LIN GUAL pr o gr ams can b e h ear d in th ei r or ig in al
language.
"Users can make VCR dubbing of picture and sound by controlling
th e AV sel ec tor to se le ct an o pti o na l so urc e at th e EXT-2 outp ut
sh own in fi gu re.
"Bu ilt- inn DOLB Y PRO LOG IC 3D-PHONE f unc tion.
[On ly AV3 2R2 5EKS / A V3 2R25 0E KS]
MAIN DIFFERENCE LIST
!
!!
!
Model Name
Part Name
AV32T25EKS AV32 T55EKS AV32T25EIS AV32R2 5EKS AV32R250EKS
MAIN PB ASSY SJL-1004A-U2 SJL-1007A-U2 SJL-1008A-U2
DEF POW ER PB ASS SJL -200 2A-U2 SJL-2004A-U2
CRT SK T PB AS SY SJL -300 2A- U2
FRONT CT RL AS SY SJL -8 004A-U 2
SIDE CTRL AS SY SJL -8 104A-U 2 SJL -8 102A-U 2
AV SW PB ASSY SJL0S0 02A-U2 SJL0S0 03A-U2
DOLB Y PB AS SY SJL0D001A-U2
!
!!
!AV BOARD LC1 101 0- 00 4A-U LC1 133 6- 00 1B-U
!
!!
!RATIN G L ABE L LC1 136 4- 00 4A-U LC 1 136 4-01 4A- U LC1 136 4- 01 7A- U LC1 136 4- 00 2A-U LC1 136 4- 01 5A-U
!
!!
!SP BOX T LC1 130 8- 00 1A-U
!
!!
!SP BOX B LC1 130 9- 00 1A-U
SP EAKE R (S P0 3) QAS0110-001
SP EAKE R (S P0 4) QAS0092-001
SP EAKE R PANE L LC2 1065-00 1A-U LC2 103 1-00 1A-U
!
!!
!F CABI AS SY LC1 136 0- 00 2B-U LC1 136 0- 00 1B-U LC1 136 0-00 1A- U
JVC M ARK LC4 125 0- 00 2C- C LC4 125 0- 00 1A-C LC4 125 0- 00 2C- C LC4 125 0- 00 1A-C
CUS H ION AS SY LC1 137 3- 00 1A LC1 136 1- 00 1A
!
!!
!INST BOOK LCT1153-001A-U LCT1152-001A-U
REG C AR D AE M3 148 - 00 1-E AE M3 148 - 00 1-E
RC HAND UNIT RM-C55H-1C RM-C60H-1C
EUR O LA BE L AE M1 064 - 00 6-E AE M1 064 - 02 9-E AE M1 064 - 00 8-E AE M1 064 - 00 1-E AE M1 064 - 01 6-E
TV EXT-1 EXT-3
EXT-2
EXT-4
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26/1/2014
Global electronic heritage manuals

No.51968
A
V32T25EKS
A
V32T55EKS
A
V32T25EIS
6
SPECIFIC SERVICE INSTRUCTIONS
AV32T25EKS / AV32T55EKS / AV32T25EIS
DISASSEMBLY PROCEDURE
REMOVING T HE REAR COVER
1. Unp lu g t he po we r c or d.
2. Remove the 13 screws marked A as s hown in t he Fig. 1.
3. W ithdr a w t he r ear co ver to wa rd you .
REMOVING T HE SIDE CONTROL JACK ASSEMBLY
"After removing the rear cover.
1. Rem ove th e scr ew m arked Bas sh ow n in the Fig.1 .
2. W hil e sl ight ly r aise th e si d e c ontr o l j ack asse mb ly, r emove th e 2
claws under the side control jac k assembly.
3. Disc onn ect th e c onn ecto r “SR ”, “ SL”, “ S”, “F” and “CN016” as
shown in Fig 2.
REMOVING T HE SIDE CONTROL PWB
"Af ter r emovi ng th e r e ar cover an d si d e co ntr ol j ac k ass em bly.
1. Remove th e 3 claws Cfrom back side of the side control jack
asse mb l y as s hown i n Fi g. 2.
2. Pu ll out the SI DE CONTRO L PW B .
REMOVING T HE CHASSIS
"After removing the rear cover.
1. Sl ight ly r aise th e bo th si de s of th e c hassis by h and and r e mo ve
th e t w o cl aws u nd er th e b oth si d es of the ch assis fr om t he fr o nt
cab i net .
2. W ithdr a w t he chass is backwa rd .
(If necess ary, take off the wire clamp, connectors etc.)
REMOVING T HE POWER & DEF. PWB
"After removing the CHASSIS.
1. Remove th e 3 screws mar ked Da s sh ow n in the F ig.1 .
2. Rem ove th e PO W ER & DEF. PW B upp er .
(If n ecess ary, take off the wire c lamp, connectors , etc.)
REMOVING T HE SPEAKER
"After removing the rear cover.
1. Remove t he 2 screws marked E, and r em ove th e sp eake r hold er
as s h own in Fig. 1.
NOTE : When r emoving th e screws m arked Eof t he sp eake r ho ld er
remove t he lo wer side screw fir st, an d t hen remove th e
up per one .
2. Remove the 2 screws Fatta ching the speaker.
3. Fol low th e s am e st eps wh en r emovi ng th e oth er ha nd spe ake r.
REMOVING T HE AV TERMINAL BOARD
"After removing the rear cover.
1. Remove th e 3 screws mar ked G as shown i n t he Fig . 1 .
2. Remove the 2 claws marked Hunder the CHASSIS as shown in
Fig. 3.
3. Remove the AV TERMINAL BOARD slightly in the direction of
arrow Ias shown in Fig. 3.
CHECKING THE PW BOARD
To ch eck the b ack side of th e PW B oar d.
1) Pull out the chassis . (Refer to REMOVING THE CHASSIS).
2) Erect the c hassis vertically so that you c an easily check the
b ack si de of th e PW B oar d.
[CAUTION]
"When erec ting the chassis, be careful so that there will be no
con tact in g wi th ot her PW Boar d.
"Be for e tur n in g on po wer , ma ke sur e t ha t the w ire co nn ecto r i s
pr op erly con nec ted .
"W hen co ndu cti ng a ch eck with p ower su ppl ied , b e sur e to c onfi rm
th at t he CRT E ARTH W I RE (B RA IDED AS S’Y) i s co nnected t o
th e CRT SOC KE T PW b oar d.
WIRE CLAMPING AND CABLE TYING
1. Be sure t o clamp the wire.
2. Never r emo ve th e c abl e tie use d f or tying th e w ire s to ge the r.
Sh oul d it be in adve rt ent ly r em ove d, b e su r e to tie th e wir es wit h
a n ew c able ti e.
SR
Connector
C
SI DE
C ONT RO L
PWB
Fig. 2
SL
S
F
CN016
(Back view)
C
AV SW PW B
H
I
H
Fig. 3
AV TERMINAL
BOARD
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26/1/2014
Global electronic heritage manuals

No.51968
A
V32T25EK
S
A
V32T55EK
S
A
V32T25EIS
7
Fig. 1
REAR COVER
FRONT CABINET
SI DE
SP EAKE R
CRT
SOCKET
PWB
FRONT
C ONT RO L
PWB
POWER & DEF.
PWB
AV SW
PWB
MAIN
PWB
CLAW
CLAW
CHASSIS
C ONT RO L
BASE
AV TERMINAL
BOARD
A
F
SI DE C ONT R OL
JACK ASSEMBLY
B
POWER CORD
E
(
×13
)
G
(
×3
)
Fig.2
D(×3)
(
×2
)
(
×2
)
SP EAKE R
HOLDER
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26/1/2014
Global electronic heritage manuals

No.51968
A
V32R25EKS
A
V32R250EKS
8
AV32R25EKS / AV32R250EKS
DISASSEMBLY PROCEDURE
REMOVING TH E SUB WOOFER UNIT & THE REAR
COVER
1. Unp lu g t he po we r c or d.
2. Remove the SUB WO OFER CORD from the AV TERMINAL
BOA RD.
3. Pu ll up th e S UB WOO FER UNI T on th e top of th e rear c over
up war d.
4. Remove the 13 screws marked A as s hown in t he Fig. 4.
5. W ithdr a w t he r ear co ver to wa rd you .
REMOVING T HE SIDE CONTROL JACK ASSEMBLY
"After removing the rear cover.
1. Rem ove th e scr ew m arked Bas sh ow n in the Fig.1 .
2. W hil e sl ight ly r aise th e si d e c ontr o l j ack asse mb ly, r emove th e 2
claws under the side control jac k assembly.
3. Disc onn ect th e c onn ecto r “SR ”, “ SL”, “ S”, “F” and “CN016” as
shown in Fig. 5.
REMOVING T HE SIDE CONTROL PWB
"Af ter r emovi ng th e r e ar cover an d si d e co ntr ol j ac k ass em bly.
1. Remove th e 3 claws Cfrom back side of the side control jack
asse mb l y as s hown i n Fi g. 5.
2. Pu ll out the SI DE CONTRO L PW B .
REMOVING T HE CHASSIS
"After removing the rear cover.
1. Sl ight ly r aise th e bo th si de s of th e c hassis by h and and r e mo ve
th e t w o cl aws u nd er th e b oth si d es of the ch assis fr om t he fr o nt
cab i net .
2. W ithdr a w t he chass is backwa rd .
(If necess ary, take off the wire clamp, connectors etc.)
REMOVING T HE POWER & DEF. PWB
"After removing the chassis.
1. Remove t he 3 screws mar ked Da s sh ow n in Fig. 4.
2. Remove t he PO WER & DEF. PWB upper.
(If necess ary, take off the wire clamp, connectors etc.)
REMOVING T HE CENTER SPEAKER
"After removing the rear cover and chas sis.
1. Remove t he 2 screws marked Eas sh own in F ig. 4.
2. Remove th e ce nte r spea ker . I f n ecess ar y, d eta ch th e c ables .
REMOVING T HE SIDE SPEAKER
"After removing the rear cover.
1. Remove t he 2 screws marked F, and r emove th e sp eake r h ol der
as s h own in Fig. 4.
NOTE : When r emoving th e screws m arked Fof t he sp eak er h olde r
remove t he lo wer side screw fir st, an d t hen remove th e
up per one .
2. Remove the 2 screws Gattac hing the speaker.
3. Fol low th e s am e st eps wh en r emovi ng th e oth er ha nd spe ake r.
REMOVING T HE AV TERMINAL BOARD
"After removing the rear cover.
1. Remove th e 5 screws mar ked H as shown i n t he Fig . 4 .
2. Remove t he 2 cla ws marked Iun der th e CH A SSI S as s ho wn in
Fig. 6.
3. Remove the AV TERMINAL BOARD slightly in the direction of
arrow Jas shown in Fig. 6.
4. After removing the craw Kon t he con nect or f or SUB W O OFER,
pu ll out th e co nn ecto r f or SUB W OOFER. ( Fig. 7)
CHECKING THE PW BOARD
To ch eck the b ack side of th e PW B oar d.
1) Pull out the chassis . (Refer to REMOVING THE CHASSIS).
2) Erect the c hassis vertically so that you c an easily check the
b ack si de of th e PW B oar d.
[CAUTION]
"When erec ting the chassis, be careful so that there will be no
con tact in g wi th ot her PW Boar d.
"Be for e tur n in g on po wer , ma ke sur e t ha t the w ire co nn ecto r i s
pr op erly con nec ted .
"W hen co ndu cti ng a ch eck with p ower su ppl ied , b e sur e to c onfi rm
th at t he CRT E ARTH W I RE (B RA IDED AS S’Y) i s co nnected t o
th e CRT SOC KE T PW b oar d.
WIRE CLAMPING AND CABLE TYING
1. Be sure t o clamp the wire.
2. Never r emo ve th e c abl e tie use d f or tying th e w ire s to ge the r.
Sh oul d it be in adve rt ent ly r em ove d, b e su r e to tie th e wir es wit h
a n ew c able ti e.
SR
Connector
C
SI DE
C ONT RO L
PWB
Fig. 5
SL
S
F
CN016
(Back view)
C
AV SW PW B
I
J
I
Fig. 6
AV TERMINAL
BOARD
Fig. 7
WO OFER
CORD
K
K
AV TERMINAL
BOARD
CONNECT OR for
SUB WOOFER
SUB WOOFER
CORD
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26/1/2014
Global electronic heritage manuals

No.51968
A
V32R25EK
S
A
V32R250EK
S
9
Fig. 4
REAR COVER
FRONT CABINET
SI DE
SP EAKE R
CRT
SOCKET
PWB
FRONT
C ONT RO L
PWB
POWER & DEF.
PWB
MAIN
PWB
AV SW
PWB
DOLBY
PWB
CLAW
CLAW
CHASSIS
C ONT RO L
BASE
AV TERMINAL
BOARD
A
G
H
CENTER
SP EAKE R
SI DE C ONT R OL
JACK ASSEMBLY
B
POWER CORD
SUB WOOFER UNIT
D
F
(
×2
)
(
×13
)
(×5)
Fig.5
Fi
g
.7
SUB WOOFER CORD
(
×3
)
D
SP EAKE R
HOLDER
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
10
REMOVING T HE CRT
∗Rep lacem en t of th e CRT sho uld be p er for med b y 2 or m ore
p ers ons.
•Af ter removing the c over, chassis e tc.,
1. Pu tting th e CRT c han ge ta ble o n sof t cloth , th e C RT cha ng e ta bl e
sh ould also b e c over e d with s uch soft clot h (sho wn in Fig. 8).
2. W hile kee pi n g th e s urf ac e of C RT dow n , m ou nt the TV s et o n t he
CRT change table balanced will as shown in Fig.9.
3. R emove 4 sc re ws mar ke d by arro ws with a b ox typ e scr ew d ri ve r
as s hown in Fig. 9.
•Si nc e th e cab inet will dr op w he n scr ews h ave be en r emove d, b e
sure t o su pport t he cab in et with hands.
4. After 4 screws have been removed, put the cabinet slowly on
cloth (At this time, be carefully so as n ot to damage the front
sur fac e of th e c abi n et) sh ow n in Fig. 10.
•The C RT sh oul d b e ass embled accor din g to th e o pp osi te
sequence of its dismounting steps.
∗The C RT cha ng e t ab le sh oul d pr ef er ab ly b e sm aller t hat th e CRT
sur fac e, and its h ei gh t b e abo ut 35c m.
CRT CHANGE TABL E
CLOTH
AP PROX.
35 cm
CRT
CRT
CHANGE
TABLE
BOX
TYPE
SCREW
DRI VER
Fig. 8
Fig. 10
CRT
CABINET CRT
CHANGE TABLE
Fig. 9
CAUTION (Only AV32R25EKS / AV32R250EKS)
•The w oof er un it is m ou nt ed on th e TV . Always mo ve th e T V a nd wo ofe r uni t t og eth er w hen r emovin g th e TV f ro m th e b ox, o r wh en
m ovi ng th e w oo fer u nit.
•If the TV is tilted during movement the woofer unit may fall. Be careful to keep the TV level when moving it.
•Do n ot gr ip th e wo ofe r un it w he n m ovi ng t he TV.
•Do n ot pl ac e ob jects on the w oof er u ni t d uct.
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No.51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
11
REPLACEMENT OF CHIP COMPONENT
!CAUTIONS
1. Avoid heating for more than 3 seconds.
2. Do n ot ru b t he el ect ro des an d t he r esi st p ar ts of th e p att er n.
3. W hen r emovi ng a c hi p par t, m elt th e s older ad equ ate l y.
4. Do n ot r euse a ch ip p ar t afte r re mo vi ng it .
!SOLDERING IRON
1. Use a hig h ins ulatio n s oldering ir on with a t hin po inted e nd of it .
2. A 3 0 w s older ing ir on is r ec omm end ed for easil y r emovi ng p ar ts.
!REPLACEMENT ST EPS
1. How to remove Chip parts
#
##
#Resi st ors, ca pa citors , et c
( 1) As sh own in t he f ig ure, pu sh th e pa rt with twee zer s and
alte rn at el y m elt th e sol de r at each en d.
( 2) Sh if t w ith tw eeze rs an d r emo ve th e ch i p p ar t.
#
##
#Trans ist ors, diodes , va ria bl e r es ist or s, et c
( 1) Ap pl y e xt ra so ld er to ea ch le ad .
( 2) As sh own in t he f ig ure, pu sh th e pa rt with twee zer s and
alte rn at el y m elt th e sold er a t each l e ad . S hi ft an d r em ove t he
chip part.
Note : Afte r removing the pa rt, remove remaining solder fro m the
pattern.
2. How to install Chip parts
#
##
#Resi st ors, ca pa citors , et c
(1) Apply solder to the p att ern as indic ated in the figure.
( 2) Gr asp t he ch ip p art wi th tw ee zer s and plac e i t on th e s ol d er.
The n h ea t an d me lt th e so ld er a t b oth en ds of t he chip par t.
#
##
#Trans ist ors, diodes , va ria bl e r es ist or s, et c
(1) Apply solder to the p att ern as indic ated in the figure.
( 2) Gr asp th e ch ip p art w it h t we eze rs an d p lace it on th e so l der.
(3) First s older lead Aas indicated in the figure.
( 4) The n so ld er l e ads Band C.
SOLD E R SOLD E R
A
B
C
A
B
C
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No. 51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
12
REPLACEMENT OF MEMORY IC
1. Memory IC
Thi s TV u se me mo r y IC . In t he m em ory IC, th er e are m emor ized dat a f or
corr ectly op erat ing t he video an d def lection cir cuits. W hen rep lacing
memor y IC, b e su re t o us e IC wr itte n with the initial va lues of dat a.
2. Procedure for replacing memory IC
PROCEDURE
(1) Power off
Sw itch the p ow er of f an d un pl ug th e p ow er cor d f ro m t he ou tlet.
(2) Repla ce IC.
Be sure t o use memory IC writt en with th e in it ial data values.
(3) Power on
Pl ug th e p ower c or d int o th e ou tlet a nd swit ch t he po we r on .
(4) Check and s et SY STEM CO NSTANT SET :
*
**
* It mus t not adjust wit hout sig nal.
1) Pr ess th e INFO RMATI ON ke y an d th e MUTING key of th e
REMOTE CONTROL UNIT simultaneously.
2) The SERVICE MENU screen of Fig. 1 will be displayed.
3) W hil e th e S ERVICE ME N U is di spl a yed, p r ess t he
INFORMATION key and MUTING key s imultaneously, and the
SYSTEM CONSTANT SET screen of Fig. 2 will be display ed.
4) Check th e se tting va lu es of the S YSTEM CONSTA NT SET of
Table 1. If th e value is d if fere nt, select the s etting item with th e
FUNCTION UP/ DOWN ke y, and s et the c orrect value with the
FUNCTION -/+ key.
5) Press the MENU key to memorize the setting value.
6) Pr ess t he INFOR MATION ke y t wice, a nd r etu rn t o th e no rmal
screen.
(5) Se tting o f re cei ve chann e ls
Se t th e r ec eive ch an ne l.
For setting, refer to the OPERATING INSTRUCTIONS.
(6) User se ttings
Check th e us er sett in g val ues of Tab le 2, an d i f sett in g val ue is
diff er ent , set th e c orrec t val u e.
For setting, refer to the OPERATING INSTRUCTIONS.
(7) Setting of SERVICE MENU
Ve rif y the set ting it ems of th e SE RVICE ME NU of Tab le 3, an d r ese t
where necessary.
For setting, refer to the SERV ICE ADJUSTMENTS.
Names of key
i
ii
i
▼
▼
▼
▼
INFORMATION
MUTI NG
FUNCTION UP/DOWN
MENU
FUNCTION -/+
key
OK
NAME OF REMOTE CONTROL KEY
SE RVIC E ME NU
1. IF 2. V/C
3. AUDIO 4. DEF
5 . VS M PRES ET 6 . VP S
7. SHIPPING (OFF)
1-7 : SEL ECT i : EXIT
Fig.1
SY STEM C ONS TANT S ET
MODEL=JL_EURO(
*. *** *
)
JVC JL E URO V00
*** ****
- + OK: STORE i : EXIT
Fig.2
1. DESTINATION : EK
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
13
SETT ING VALU ES OF SY ST EM CONS TANT SE T (TABLE 1)
Setting item Settin
g
content Setting value Setting item Setting content Setting value
EK
1. DESTINA TION EI (Only AV32T25EIS) 5.COMB YES NO NO
NO(AV32T ***)
2.DOLBY YES NO YE S(AV32R***) 6.PICTURTILT YES NO NO
3.BBE YES NO NO 7.FLAT YES NO YES
4.TV SPE AK ER YE S NO YE S 8.3 -D YE S NO NO
USER SETTING VALUES (TABLE 2)
SOUND LEVEL 10 SUB POWER ON
SHIPPING CHANNEL 1 ZOOM MODE PANORAMIC
US ER MENU SE TTING
PICTURE SE TTING EX T SETTI NG
TINT
CONTRAST
BRIGHT
SHARP
COLOUR
COOL DUBBING EXT-1→EX T-2
PICTURE FEATURES FEATURES
AUTO VNR
COLO UR S YSTE M
4:3 AUTO ASPE CT
AUTO
TV : Acco rd in g t o p r eset C H
EXT : AUTO
PA NO RA MIC
SL EEP TIME R
BL UE BA CK
CHILD LOCK
DECODER (EXT-2)
OFF
ON
ID : No.****
ALL CH OFF
OFF
SOUND SETTING INSTALL
STEREO / Ⅰ･Ⅱ
BA SS
TREBLE
CENTER
CENTER
DIGITAL SURROUND (AV32R***)
LA NG UA GE
EDIT/MANUAL
ENGLISH
PRES ET CH on ly
The ot hers : BLA NK
PRO LOGIC 3-D PHONIC
LE VEL
CINEMA / SPORT
CENTER
DEMO OFF
SERVICE MENU SETTING ITEMS (TABLE 3)
Setting item Setting value Setting item Setting value
1. IF VCO 4. DEF. 1. V- SHIFT
2. V-SIZE
3. SUBTIT LE
4. H-CENT
5. H-S IZE
6. EW -PIN
7. TRAPE Z
8. EW. COR. L
9. EW. COR. H
10. V. S-COR
11 . V- LIN
12. H-BLK-R
13. H-BLK-L
14. V-EHT
15 . H- EHT
16. EHT-GAIN
2. V / C 1. CUT OFF
2. DRI VE
3. BRIGHT
4. CONT.
5. COLO UR
6. HUE
7. BL ACK O FFS ET ( Only SE CAM)
8. SHARP
5. VS M PRESE T
COOL
NORMAL
WARM
1. BRIGHT
2. CONT.
3. COLO UR
4. SHARP
5. HUE
6. R DRIVE
7. B DRIVE
6. VP S
(Do not adju st)
VP S
PDC
WSS
3. AUDIO
(Do not adju st)
1. ERROR LIMIT
2. A2 ID THR
3. BA SS
4. TREBLE 7. SH IPP ING
(Do not adju st)
ON / O FF
REFER to VSMPRESET
EK EPEI
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
14
SERVICE ADJUSTMENTS
BEFORE STARTING SERVICE ADJUSTMENT
1. There ar e 2 w ays of adjusting this TV: One is wi th t he
REMOTE CONTROL UNIT and the other is the conventional
method using adjustment parts and components.
2. The setting (adjustment) using the REMOTE CONTROL
UNIT is made on the basis of th e initial setting values. The
se tting va lues whic h a dj u st the sc ree n to t he opt imum
condition can be different fr om the initial setting values.
3. Make s ur e th at conn ect ion is c orrect ly made t o AC p ower
sourc e.
4. Tur n on th e powe r of th e TV a nd m easu r in g instr umen t for
war min g u p f or at l east 30 m in ut es b ef ore sta rt in g adju stm ent .
5. If th e r ec eive or inp ut si g nal i s not sp ecifi ed , use t he m ost
ap pr op ria te s ig na l f or a dj ust me nt.
6. Never tou ch p ar ts ( such as variab le r esist or s, tr an sfor mer s an d
condensers) not shown in the adjustment items of this service
adjustment.
7. Pr ep arati o n f or ad j ustm en t ( pres ettin g) :
Unless oth er wis e sp ecifi ed in th e a djust me nt it em s, p r ese t th e
follo win g funct ions with th e REMOTE CO NTROL UNI T:
"Setting p osit ion
PICTURE MODE (VSM) NORMAL
SLEEP TIMER OFF
BALANCE CENTER
ZOOM PANORAMIC
MEASURING INSTRUMENT AND FIXTURES
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Si gn al g en er at or (P att er n g en er at or) [ PAL / N TSC ]
4. Remote control unit
ADJUSTMENT ITEMS
●B1 POW E R SUPPL Y ch eck.
●HIGH VOLTAGE check.
●FOCUS Adjustment.
●IF circu it a djust ment.
●VS M p r eset ad ju st s etti n g.
●VIDEO / CHROMA circ uit adjustment.
●DEFLECTION c ircuit adjustment.
●H BLA NKING adjus tment.
●AUDIO circuit adjustment. (Do not adjust)
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26/1/2014
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No. 51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
15
ADJUSTMENT LOCATIONS
E1
TP -47R
C
N
009
C
N
008
TP -E
CRT SOCKET PWB
(SOLDER SIDE)
TOP
FRONT
MAIN PWB POWER&DEF PWB
FRONT
DOL BY PWB
TUNER
I
C
7
0
1
I
C
7
0
2
ME MORY
W
DEG
1pin :B 1(TP-91)
2pin :N C
3p
in :N
C
4pin :N C
5pin :G N D(T P-E)
1
5
X
FRONT CONTROL PWB
FRONT
HV
SC
R EEN
F
OCUS
1
TP -47G
TP -47B
C
N
009
IC301 CN008
W
PW
F8901
P
O
WER
S
W
S-IN
SIDE CONTROL PWB
TOP
E
X
T
4
HEAD
PH O N E
UP
DOWN
ME N
U
CN001
CN00S
CN0SC
CN0SW
CN016
CN001
S
R
SL
S
F
CN016
F
AV SW PWB
CN012 CN006
CPU
(Only AV32R25EKS / AV32R250EKS)
F
OCUS
2
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
16
BASIC OPERATION SERVICE MENU
1. TOOL OF SERVICE MENU OPE RATION
Operate the SERVICE MENU with the REMOTE CONTROL UNIT.
2. SE RVICE MENU ITEMS
W ith the SERVI CE M ENU, var iou s sett in gs ( ad ju stm en ts) c an b e m ade , a nd th ey a re b r oad ly c la ssif ied i n th e f ollowing i te ms of set tings
(adjus tments ):
(1) 1. IF ･･･････ ･････････････ ･･･ This mode adjust s the setting values of the IF circu it.
(2) 2.V /C ･･･････ ･････････････ ･･ This mode adjust s th e setting values of the VIDEO / CHRO MA circuit.
(3) 3.AUDIO･･･････ ････････････ This mode adjusts the setting values of the multiplic ity SOUND circuit. (Do not adjust)
(4) 4. DEF ･･･････ ･････････････ ･ This m od e adj ust s th e se tting val u es o f th e DE FLECTION circui t f or eac h as pect m od e g i ve n be lo w.
REGULA R ( 50/ 60 Hz)
PA NO RA MIC ( 50/ 60 Hz)
14 :9 ZO OM (50/ 60 Hz)
16 :9 ZO OM (50/ 60 Hz)
16 :9 S U B TITL E ( 50/ 60 Hz)
FU LL ( 50/ 60 Hz)
(5) 5.V SM PR ESE T･･･････ ･･････ This mod e adj ust s th e i n iti a l s ett in g va lues of CO OL, N ORM AL an d W AR M.
(VS M : V i de o Sta tus M emory)
(6) 6.V PS ･･･････ ･････････････ ･ This m od e sh ow s th e mo nitor of t he VP S, PDC a nd W SS . (Do not adjust)
(VPS : Video Program Syst em, PDC : Program Delive ry Code, WSS : Wide Screen Sig nalling)
(7) 7.SHIP PING ･･･････ ･････････ This menu is s et a t shipping. (Do not adjust)
3. BASIC OPERATION OF SERVICE MENU
(1) How to enter SERVICE MENU
Press the INFORMATION key and the MUTING key of the
REMO TE CON TRO L UNI T si mu lt an eou sly, an d th e
SERVICE MENU screen of Fig. 1 will be displayed.
(2) Selection of SUB MENU SCREEN
Press one of keys 1～7 of the REMOTE CONTROL UNIT
an d sele ct th e S UB M ENU S C REEN ( See Fi g. 3 ), fo rm th e
SERVICE MENU.
SERVICE MENU →SUB ME NU
1. IF
2. V / C
3. AUDIO
4. DE F.
5. VSM PRE SET
6. VP S
7. SHI PPING
Names of ke
y
i
ii
i
▼
▼
▼
▼
INFORMATION
MUTI NG
FUNCTION UP/DOWN
MENU
FUNCTION -/+
ke
y
OK
Fig.2
SE RV ICE MENU
NEME OF REMOTE CONTOROL KEY
SE RVICE ME N U
1. IF 2. V/C
3. AUDIO 4. DEF
5.VSM PRESET 6.VPS
7. SHIPPING (OFF)
1-7 : SELECT i
: EXIT
Fi
g
.1
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
17
7. SHIPPING
7. SHIPPI NG(OFF)
7. SHIPPI NG (ON )
COOL
NOR MAL
WARM
1. BR IGHT
2. CONT.
3. CO LOU R
4. SHA RP
5. HU E
6. R DR IV E
7. B DR IV E
1. CUT OFF
2. DR IVE
3. BR IGHT
4. CONT.
5. CO LOU R
6. HU E
7. BL AC K OFFSET
8. SHARP (Do not adjus t)
1. ERROR LIMIT
2. A2 ID THR
3. BA SS
4. TREBLE
1. V-SHIFT
2. V-SIZE
3. SUBTITLE
4. H-C ENT
5. H-SI ZE
6. EW-PIN
7. TRAPEZ
8. EW.COR.L
9. EW.COR.H
10 . V.S-COR
11 . V-L IN
12 . H -BLK-R
13 . H -BLK-L
14. V-EHT(Do not adjust)
15 . H -EHT (Do not adju s t)
16 . EH T-G A IN (D o n o t ad ju st )
Fi
g
. 3 SUB MENU SCREEN
SERVICE MENU
SERVIC E MENU
1. IF 2. V/C
3. AUDIO 4. DEF
5. VSM PRESET 6. VPS
7. SHPIING (OFF)
1-7 : SELECT i : EXIT
5. VSM PRE SET
VSM PR ESET NORM AL
1. BR IGHT
***
- + OK : STORE i : EXIT
VCO (CW)
**
****
** .
..
.**
****
**
MHz
TOO HIGH
ABOVE REFER ENCE
JUST REFERENCE
BELO W R EFE RENC E
TOO LOW
i: EXIT
6. VPS
VPS
VPS = 0000H(- - -)
PD C 8 / 30 / 1 = 0 000 H
= 0 000 H
WSS = 0 000
i : EXIT
V/C
1. CU T O FF ( R) ****
(G)
****
(B) ****
2. V/ C
PAL
AU DIO
- + OK : STORE i : EXIT
3. AU DI O
1. ERR OR LIM IT = 10 0H
ERROR RATE = 7F0H
C_ AD _BI TS = 00 000 000
DE F PANORAMIC **
****
**Hz
1. V-SHIFT
***
( ** )
- + OK : STORE i : EXIT
4. DEF
1. IF (VCO )
Do n ot adjust
Do n ot adjust
Do n ot adjust
- + OK : STORE i : EXIT
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
18
(3) Method of Setting
1) Meth od of Set ting 1. IF
[VCO]
①1 K ey･･･････ ･････････････ ･････ Select 1.IF.
②The VCO (CW) screen will be displayed in yellow when the AFC voltage is at a certain level and in blue when it is at other levels.
③INFORMATION K ey ･･･････ ･････ Return t o the SERVICE MENU screen.
2) Meth od of s ett in g 2.V/C, 3.AUDIO, 4.DEF an d 5 .VSM PRESET.
①2～5 K ey･･･････ ･････････････ ･･ Select one from 2.V/C, 3.AUDIO, 4.DEF an d 5 .VSM PRESET.
②FUNCTION UP / DOWN Key ････ Select s etting items.
③FUNCTION -/+･･･････ ･･････････ Set (adju st) th e setting values o f th e setting it ems.
(Use th e number keys of the REMOTE CO NTROL UNIT for s etting of WHITE B ALANCE.
For th e s etti n g, r ef er to ea ch it em con cer ne d.)
④ME NU Key ･･･････ ･････････････ Memorize the s ettin g va lue.
( Bef or e st orin g t he s ett in g val u es i n me mo r y, do no t pr ess t he C H, TV, POW E R O N / OFF key -
if you do, the values will not be sto red in memory.)
⑤INFORMATION Key ･･･････ ･････ Return t o the SE RVICE ME NU scr ee n.
3) Meth od of s ett in g 6 .VPS and 7. SH IP PING.
6.V PS ･･･････ ･････････････ ･･･････ This mode displayed monitor of VPS, PDC, WSS. (Do not adju st)
7.S HI PPI NG ･･･････ ･････････････ ･ W hen the M AIN POW E R i s tu rn ed on with th e sta te of SH I PPIN G O N , yo u g et a m od e th at
initializes every existing set value including language selection. Because this mode is set at the
fac tor y up on co mp letion of th e a dj ustm e nt, you ne ed no t to us e it f or servi ce.
(Do not a dju st in this mode.)
(4) Rele as e of SER V IC E M E NU
1) Af ter co mp leti ng th e se tting , r et ur n t o t he SERVICE ME NU , th en ag ain p r ess th e I NFORM ATIO N ke y.
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EK
S
A
V32T55EKS / AV32R250EK
S
A
V32T25EIS
19
ADJUSTMENTS
CHECK IT EM
Item Measuring
instrument
Test point Ad justment part Description
B1 POWER
SUPP LY
Check
Signal
generator
DC v oltm eter
Remote
control unit
TP-91(B1)
TP-E("
""
")
[X connector
on POWER
DE F PW B]
1. Recei ve a an y br oa dca st.
2. Pu sh t he “ ZOOM ” ke y an d s elect the FULL m ode .
3. Se le ct 2 .V/C f r om the SE RV ICE M ENU.
4. Se le ct 1 . CUT OFF wit h Fu nctio n UP/ DOW N k ey.
5. Sh ow o ne ho rizon tal li n e with the 1 key.
6. Tur n t he SCREEN VR, the whole blac k screen d isp lay.
7. Con nect a D C vol tm et er t o TP- 9 1(B 1) a nd TP- E(").
8. M ake sure t hat th e vol t ag e i s D C14 3.0 V±2. 0V.
9. Rea djust th e S CR E EN VR t o ap pe ar th e hor izon tal lin e fain tl y,
an d ca ncel t he hor izon ta l l in e t o p re ss th e 2 key.
HI GH
VOLTAGE
Check
Signal
generator
DC volunteer
Remote
control unit
CRT anode
Chassis GND
1. Recei ve a an y br oa dca st.
2. Pu sh t he “ ZOOM ” ke y an d s elect the FULL m ode .
3. Se le ct 2 .V/C f r om the SE RV ICE M ENU.
4. Se lect 1.CUT OFF with Fu nctio n UP/DOWN key.
5. Sh ow o ne h orizo nt al l in e w it h t he 1 k ey.
6. Tur n t he SCREEN VR, the whole blac k screen d isp lay.
7. Connect a DC voltmeter to CRT ANODE and chassis GND.
8. M ake sure t hat th e vol t ag e i s D C 3 1.0 kV .
9. Rea djust t he SCREEN VR t o ap pea r th e h or izon tal li n e fai n tl y,
an d c onn ect the h orizo nt al l in e to pr ess 2 key.
FOCU S ADJUST MENT
Item Measuring
instrument
Test point Ad justment part Description
Ad justment of
FOCUS
Signal
generator
FOCUS 1
FOCUS 2
[In FBT]
1. Receive a cross-h atch signa l.
2. Pu sh t he “ ZOOM ” ke y an d s elect the FULL m ode .
3. By tur n ing th e F OCUS2 VR , an d ad j ust th e pictu re s o tha t the
“ “ part vertical line may become thinnest.
4. By tur n ing th e F OCUS1 VR , an d ad j ust th e pictu re s o tha t the
3r d h or izont al lin e fr om th e u ppe r m ay b eco me un if or m a t th e
lin e c ent er an d i ts pe riph ery.
5. Carr y out ad j ustm en t b y r ep eat in g the ste ps 3 an d 4 ab ove .
6. Make sur e t hat wh en th e scr ee n is d ar ken ed, the lines r e ma i n
in good focus.
.
+1kV
-1.5kV
FOCUS1(F1)
S CRE EN1 ( S1 )
FOCUS2(F2)
FOCUS 2
FOCUS 1
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26/1/2014
Global electronic heritage manuals

No. 51968
A
V32T25EKS / AV32R25EKS
A
V32T55EKS / AV32R250EKS
A
V32T25EIS
20
IF CIRCUIT ADJUSTMENT
Item Measuring
instrument
Test
p
oint Ad justment part Description
Ad justment of
VCO
Remote
control unit
"Und er n orma l c ond iti ons, no ad j ust me nt is r e quir ed .
1. Recei ve an y br o adc ast.
2. Se le ct 1 .IF f rom t he SERV ICE M ENU.
3. Check th e ch ar act ers co l our of th e JU ST REFE R ENCE
displayed to yellow.
VSM PR ES ET AD JUST SET TIN G
Item Measuring
instrument
Test point Ad justment part Description
Setting of
VS M PRE SET
Remote
control unit
1. BR I G HT
2. CONT.
3. COLOUR
4. SHARP
5. HUE
6. R DRIVE
7. B DRIVE
1. Se le ct 5 .VS M P RESET from th e S ERVICE ME NU.
2. Se le ct C OOL with t he M ENU key of t he re mo te con tr ol un i t.
3. Ad ju st th e FUNCTION UP /DOWN and -/ + key t o bring t he s et
val u es of 1.B RIG HT ～7.B DRIVE to the va l ues sh own in the
table.
4. Pr ess the ME NU key a nd m emor iz e th e s et va l ue.
5. Respectively s elect the VSM PRESET mode for NORMAL and
W ARM, an d m ake simi lar a dj ust me nt as in 3 abo ve.
6. Pr ess the ME NU key a nd m emor iz e th e s et va l ue.
∗Refer to O PERATING INSTRUCTI ONS for the PICTURE
MO DE .
VCO(CW) ***.** MHz
T OO HI GH
ABOVE REF ERENCE
JUST REF EREN CE
BELOW REFERENCE
T OO LO W
i : EXIT
YELLOW
fv
VSM preset mode
Setting item COO L NORM AL WAR M
1. BRIGHT
SE TTING VAL UE +0 +0 +0
2. CONT.
SE TTING VAL UE +12 +10 +2
3. COLO UR
SE TTING VAL UE +6 +0 -2
4. SHARP
SE TTING VAL UE +0 +0 -2
5. HUE
SE TTING VAL UE +0 +0 +0
6. R DRIVE
SE TTING VAL UE -20 +0 +16
7. B DRIVE
SE TTING VAL UE +23+0-13
SE TTING VALUE S OF VS M PR ESE T
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Global electronic heritage manuals