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SERVICE MANUAL
REAR PROJECTION TELEVISION
AV-4300 AV-5000
AV-430
AV-500
AV-4300
/ EE
AV-5000
/ EE
CONTENTS
! SPECIFICATIONS ････････････････････････････････
!
SAFETY PRECAUT IONS
!
MAIN DIFFERENCE LIST ････････････････････････････････
! FUNCTIONS････････････････････････････････
!
SPECIFIC SERVICE INSTRUCTIONS
! SERVICE ADJUSTMENTS ････････････････････････････････
! TROUBLESHOOTING････････････････････････････････
!
PARTS LIST････････････････････････････････
★ STANDAR D CIRCUIT DIAGRAM (APPENDED) ････････････････････････････････
1
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COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
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･････････････････････ 15
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Mar. 2002
No.518 76
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V-4300
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V-5000
SPECIFICATIONS
Items Contents
Dimensions (W××××H××××D) 94.7cm × 12 3.6cm × 46.1 cm [ AV-43 00]
11 1.9cm × 13 6.2 cm × 53 .0cm [AV- 5000]
Mass 56kg [ AV- 4300]
60 kg [AV-50 00]
TV System and Color system
SE CAM
NT S C
External input
TV Receiving Channels and Frequency
Program Selection Channel
Intermediate Frequency Video IF : 3 8.9 MHz
Multi-sound S ystem NICAM [UK system]
Tele te xt Sy stem En gl ish based
Power Input AC 22 0V 24 0V, 50Hz / 60 Hz
Power Consumption Aver age 219W ( ope rating )
Projecti on Tube 7-inch t ube ×3 (R/G/B)
Projecti on Tube High Voltage 30 .0kV
Sc reen Tr ansparent scr een ( un ited Fres nel lens & Dou bl e l enti c ul ar le ns, wit h shield)
Sc reen S ize 43 -inch (1 09c m ) : m easured d iag onally [W: 8 7.4 cm × H: 65.6cm ]
Speaker Front ( L/R ) : 1 2cm r ound type ×2, 5 cm roun d type ×2
Audio Power Output Front (L/R) : 10 W+ 10W
Antenna Input Terminal 75Ω un balanced , aeria l- ty pe con nector ×1
Input Terminal (INPUT 1 / 2 / 3)
VIDEO
AUDIO (L/R)
S-VIDEO
COMPONENT
[INPUT 2]
Output Terminal (MONITOR OUT )
Vide o
Audio (L/R)
S-Video
Audio Output Ter minal (AUDIO TO HI -FI) FRONT / REAR : Variabl e R CA pi n j ack ×4
Speaker Output Terminal (
Headphone output φ3.5 mm mini jack ( stereo type)
Remote Cont ro l U ni t 56 521 38A < RM-C125 > (Dr y cell battery : AA/R6/ UM-3 ×2)
REAR SPEAKER
PAL / SECAM / NTSC ( 3.58 / 4.43)
PAL
B / G / D / K / H / I
B / G / D / K / K
M
NTSC 50H z / NTS C3 .58 / NT SC 4.4 3 / PAL6 0H z / SEC A M60Hz
44 MHz - 87 0MHz
10 0 Chan nel s
A2 [Ger many system ]
Asp ect r ati o 4:3
Center : 7.5cm r ound type ×2
Center : 5W +5W
1V(p-p), 75Ω RCA pin jack ×3
50 0mV( r ms) , 47 kΩ RCA pin jack ×6
Mini - D IN 4- pi n conn ector ×3
Y : 1V(p-p), 75Ω
C : 0 .286V (p- p) , 75 Ω
Y / CB / C
RCA pin j ac k ×3
1V(p-p), 75Ω RCA pin jack ×1
47 0mV( r ms) , 1kΩ RCA pin jack ×2
mini - D IN 4- pi n j ack ×1
Y : 1V(p-p) positive, 75Ω (negat ive s ync. provid ed)
C : 0 .286V (p- p) , 75Ω (burst s ig nal )
) L / R : 5W×2, 8Ω
R
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No.51876
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SAFETY PRECAUTIONS
(4)
(5)
V-4300
V-5000
■■■■
(2)
(2)
(3)
Ω Ω
(6)
(7)
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V-5000
(9)
Shie ld plate C
!
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!
MAIN DIFFERENCE LIST
Item AV-4300 AV-4300
CONVERGENCE ADJUSTMENT Fo r Asia area For Russia For Asia area For Russi a
RATING LABEL 7936261A 7936301A 7936203A 7936302A
GOST LABEL ---------- 7944081A ---------- 7944081A EE onl y
OPERATION MANUAL 7910445A 7910478A 7910445A 7910478A
/EE
AV- 5000 AV- 5 000
/EE
Rem arks
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FUNCTIONS
< FRONT CONTORL PANEL >
< REAR TERMINAL PANEL >
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SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLE PROCEDURE
※
Refer to EXPLODE VIEW in PARTS LIST (page 43 and 44) .
BOTTOM BACK COVER
●
Be sur e t o di scon nect th e p ow er p lug.
1. Remove sixt een scr e ws [N o. 40] fr o m t he bo ttom b ack c over [N o. 9]
2. Be caref ul of the power p lug t o remove the b otto m b ack co ver .
FRONT PANEL
●
Be car ef ul n ot t o damag e t he front pane l.
1. R em ove thr ee scr ews f rom the p ede stal [N o. 15] a nd tak e it d own.
2. Remove the screws on the speaker g rill and take it down.
SPEAKER
1. R em ove fo ur scr ews us ed f or the sp eak er s fi xing .
2. R em ove th e sp eake rs want ed an d the con nect ed wire fr om th e b ac k of t he s pe aker.
3. T ake th e sp eake rs do wn.
PWB
1. R em ove th e scr ew s f ixe d PW B and t he hold er [No .11].
2. Se para te al l of t he con nec ted wire s fr om t he fixed l e ad clamp er s.
3. D r ag t he m ain ch assi s PW B backwa rd s slowly.
4. Se t it u p wh en drag gi ng the main ch assi s PW B outwar d s.
5. Be sure that all of the ready connected wires can be checked when ON-OFF switch is on.
★ In o rder to set t he PWB up ea si l y, if ne c ess ary, so m e con cerne d con nect ed wir es are allow e d t o dis con nec t t em po raril y, th en rev i ve t hei r
con nec tion.
★
The sta bil ity would be not good wh en the PW B is set up. B e c areful not to let it d own.
★
Be for e th e p ow er is on , m ak e sure t hat each c onnect ed wire are read y ,an d pr e vent t he PW B f ro m th e ou tside o bj ects so a s t o av o id the
short circuit.
PRT (PROJECTION TUB E)
●
Take care of the surface of lens
1. Remove the b ack c over [N o. 1].
Disassemble method for 43” top back cover
Dis assem bl e 13 scr ews [ No.40 ] on th e to p bac k co ver [No. 1] a nd pu ll out the c o v er an d tak e i t d own.
Disassemble method for 50” top frame [N o. 7]
Dis assem bl e 16 scr ews [No. 40] on the top b ack c o ver [N o. 1] and fou r scr ew s fi xed on th e hol d er fo r t he front fram e , the n t ake it down.
Never take the top b ack cover [No .1] down.
" Plea se prot ect the fron t frame fr om pu l lin g o ut when r em oving th e scr ew s of t he back c ove r.)
4. Removal of CPT bo ard [ F] and t he eart h of PRT .
5. Ree lin gly pu ll thr ee of an ode wi r es o ut of FBT.
6. Loose n the fast enin g scr e ws on VM MA GNET to ta ke d own VM MAGNET.
7. L oose n th e fast enin g scr e w on D Y to take DY d ow n .
8. L oose n th e l ead clam per s th at nee d s epa ra ting , s o th at t he an ode w i re s ar e ou t of bi n di n g.
9. Dis assem bl e 4 scr ews of PRT [No. 24] or [N o. 25] , [N o.2 6] ne ed ed to ta ke ou t an d l i ft u p t he m et al boa rd with P TV sl o wly, th en pull out the
PRT toge th er with the ano de w ire.
10.R emove 4 screws from lens [No. 21] or [No. 22] , [No .23 ] con nected with P RT, and ta ke do wn the lens. Also the step can be carried out prior to
the removal of PRT.
MIRR OR
1. R em ov e fi ft een scr ews fr om the mi rro r s upp or t [No. 3] or [N o. 4], [N o. 5] on the mi rro r.
2. Take Down t he mirror.
★ In the proc ess o f remova l, pro tect th e m irror f rom crack ing.
After f inishing maintenance, the parts disassembled should be returned to the original state.
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V-4300
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V-5000
Fig. A
Fig. B
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No. 51876
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V-4300
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V-5000
Fig.1
Disc o nne ct the #
Connect jig (15k
Fig.2 Deflection/Power PWB
①①①①
pin of 1905 from +B line.
ΩΩΩΩ
VR) between +B line and #
①①①①
pin of 1905.
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V-4300
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V-5000
Ω
° °
10
No. 51876
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V-4300
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V-5000
° °
° °
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V-4300
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V-5000
Ω
Ω
Chip Com ponents
12
No. 51876
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A
・・・・ ・・・・
・・・・ ・・・・
V-4300
V-5000
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V-4300
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V-5000
#
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V-4300
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V-5000
SERVICE ADJUSTMENTS
ADJUSTMENT PREPARATION
1. You can make the necessary adjustments for this unit with either the Remote c ontrol unit or with the adjustment tools and parts as
given below.
2. Adjustment with the Remote control unit is made on the ba sis of the initial setting values, however, the new setting values whic h
se t th e sc ree n to i ts o p ti mu m c ondit ion m ay di ffer from the init ial set ti ngs .
3. M ak e sur e t hat AC p ower is tu r ned on c orrec tly.
4. T ur n on t he po w er f or s et and tes t eq uip me nt bef ore us e, and st art th e adj u stm ent proc edures af ter wai t ing at le ast 3 0 mi nu tes.
5. Unless otherwise specified, prepare the most suitable reception or input signal for adjustment.
6. N ever t ouch a ny a dj ust me nt p art s whi c h ar e n ot spec ified in th e list f or this adjus tment - variable resistors, t ra ns f orme rs, condensers, etc.
7. Pr esetti ng before ad j ustm en t.
Unles s oth erw is e speci fi ed in th e adj u stment instruct ions, pr es e t th e f oll ow i ng fu nction s with t he r em ote con trol u nit.
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Si gn al g en erat or (P att er n g en erat or) ［PAL/SECAM/NTSC］
4. Remote control unit
ADJUSTMENT LOCATIONS
R CPT P. W.B G CPT P. W.B
1. CEN TERING MAGNET
: FOR RED PRT
2. CEN TERING MAGNET
: FOR GR EEN PRT
3. CEN TERING MAGNET
: FOR BL UE PR T
4. 4-POLE MA GNET
: FOR BEAM FORM ADJUSTMENT
5. 2-POLE MA GNET
: FOR BEA M AL IG NMEN T
6. F OCUS PACK
B CPT P. W.B
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SIGNAL P.W.B
POW ER / DEFLECTI ON P.W. B.
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BASIC OPERATION OF SERVICE MENU (VIDEO ADUSTMENT MODE)
< SERVICE MENU screen >
V-4300
V-5000
$ %
CHANGE THE SETT ING (ADJUSTMENT) VALUE
: [&(LEFT)] / ['(RUGHT)] buttons
$ %
'
NOTE :
1. If th ere i s a di ffe re nt value than sh ow n i n the t abl e (pa ge 18) f or fix ed dat a,
adjust it using [&(LEFT)] / ['(RUGHT)] buttons.
2. W hen exch anging mic r op roc ess o r and TV is tur ned on fo r fi rst ti m e, i t
requires initialization of VIDEO / CHROMA ADJ.
3. Thi s D ATA has PAL a nd NT SC mo des (2 m od es) .
No. 51876
MODE SW
REG1 18
REG2 08
SET1 00
SET2 00
Page 1
ADJ.
SERV 00 BELL 80
SBRT 80 BADJ 08
INIT 00 RADJ 08
Page 2
ADJ.
CSYS 03 SCOL 0A
CTRA 00 SCNT 0
CSW 00 STIT 4C
HPOS 10 SSHA 38
AFCG 00 EBRT 40
VFRQ 00 ECNT 60
VPOS 00 HBLK 00
PMUT 01 VBLK 00
Page 3
ADJ.
WPDL 01 RYLE 00
HBRT 01 GYLE 03
COLG 00 YDL 00
CLT 00 STRA 01
TACL 01 APFO 00
CDE 01 OACL 01
GPP H 01 TOFF 00
RY PH 03 TO FQ 00
Page 4
ADJ.
DTCP 00 BLC 01
DTCR 00 BDL 00
BEPL 0 0 BSG 00
BEP1 05 BARE 00
BEP2 00 DABP 00
DTCL 00 DABG 07
WHTP 00 ABLP 03
BLS 00 ABLG 05
Page 5
ADJ.
TVSW 03 15SW 01
VENH 04 ATT 01
CBPF 01 IDSN 00
KLAR 00 SGP 00
LINE 00 VID 00
CORG 00 HID 00
PLL 00 ID 01
BELM 01
Page 6
17
Page 18
A
V-4300
A
V-5000
SERVICE MENU INITI AL SETTING VALUE
Page
Menu Item
1 REG1 18
MODE
SW REG2 08
SE T1 00
SE T2 00
2ADJ.SE RV 00
SB RT 80
INIT 00
BE LL 80
BA DJ 08
RADJ 08
3ADJ.CSYS 03
CTRA 00
CSW 00
HPOS 10 13
AFC G 00
VFR Q 00 ←
VP OS 00 ←
PMUT 01 ←
SCOL 0A ←
SCNT 10 ←
STIT 40 ←
SS HA 38 ←
EB RT 40 ←
ECNT 60 ←
HBLK 00 ←
VB LK 00 ←
4ADJ.WPDL 01 ←
HBRT 01 ←
COLG 00 ←
CLT 00 ←
TACL 01 ←
CDE 01
GPPH 01 ←
RYPH 03 ←
PY LE 00 ←
GYLE 03 ←
YDL 00 ←
STR A 01 ←
AP FO 00 ←
OACL 01 ←
TOFF 00 ←
TOFQ 00 ←
Initial value Initial value
PAL NT SC
Remarks
←
Page
5ADJ.DTCP 00
←
←
←
SERVICE
←
SUB BRIGHT
←
INITIAL SET
←
BELL FILTER ADJ
←
B-Y BLACK ADJ
←
R-Y BLACK ADJ
←
COLOR SYSTEM
←
CHROMA TRAP
←
CHROMA SW
←
H POSITION
AFC G
←
V FREQUEN CY
V POSITION
PICTURE MU TE
SUB COLOR
SUB CONTRAST
SUB TINT
SUB SHAR P
EXT RGB BRIGHT
EXT RGB CONT RAST
B BLK END PHASE
V BLK PHASE
W H I TE PEAK DET LE VEL
HI BRT COLOR
COLOR
COLOR LIMITER LEVEL
TXACL
COLOR DETAIL ENHANCEMENT
←
GP PHAS E
R-Y PHASE
R/B LEVEL
G/B LEVEL
Y DELAY
SHARPNESS TRAC
APACON PEAK f
OSD A C L
TOF f
TOF Q
6ADJ.TVSW 03 ←
Menu Item
DTCR 00
BE PL 00
BE P1 05
BE P2 00
DTCL 00
WHTP 00
BLS 00
BLC 01
BDL 00
BS G 00
BA RE 00
DABP 00
DABG 07
AB LP 03
AB LG 05 ←
VE NH 04 ←
CBPF 01 ←
KLAR 00 ←
LINE 00 ←
CORG 00 ←
PLL 00 ←
15 SW 01 ←
ATT 01 ←
IDSN 00 ←
SGP 00 ←
VID 00 ←
HID 00 ←
ID 01 ←
BE LM 01 ←
PAL NT SC
←
←
←
←
←
←
←
←
←
←
←
←
←
←
←
Remarks
DC TRANSIT CORRECTION POINT
DC TRANSIT CORRECTION RATIO
BLAC K EXP ANDED POIN T LIMI T ER
BLACK EXPANDE D POINT 1
BLACK EXPANDED POIN T 2
DC TRANSIT CORRECTION LEVEL
WHITE PEAK DET CURRENT
BLACK LEVEL CO RRECTION 1
BLACK LEVEL CO RRECTION 2
BLACK DET LEVEL
BLACK EXPANDED AREA
BLACK EXPANDED AREA
DYNAMIC ABL POINT
DYNAMIC ABL GAIN
ABL POINT
ABL GAIN
SYSTEM SEL
V E NHANCE L EVEL
CHROMA BPF
KILLER
1 LIN E DOT
CORING
PLL SEL
DAC
ATT
SECAM- ID
SECAM- GP
V-I D
H-ID
ID KEY
BELL MO NITOR
18
No. 51876
Page 19
A
A
ADJUSTMENT STEP
1. ASSEMBLED P.W.B . ADJUSTMENT
1.1 AFC Alignment ････････････････････ ････････････ ････ 20
1.2 AGC Alignmen t ･･･････ ･････････････ ･･･････････････ 20
1.3 A2 & NIC A M Oper atio n Ch eck ････････････････････ ･･･ 20
1.4 SECAM Bell Filter Adjustment ････････････････････ ･･･ 20
1.5 SE CAM W h it e Bal anc e A dj ustm e nt ･･･････････････････ 21
1.6 C om b F i lter O perat ion C hec k
2. FINAL ASSEMBLY ADJUSTMENT
2.1 L ens Fo cus A djust ment ････････････････････ ･････････ 22
2.2 W hi te Bala nce Adju stm ent ･･･････ ･･･････････････････ 23
2.3 Sub Brightness Adjustment ･･･････ ･･････････････････ 24
2.4 Su rrou nd Oper atio n C h eck ･･･････ ･････････････ ･････ 24
2.4 .1 St er eo Off C hec k
2.4 .2 St ereo O ff / M on aural Ch eck ････････････････････ ････ 24
2.4 .3 St adiu m S ur r ound C h ec k
2.4 .4 St adiu m S ur r ound/ Mona ural Che ck ･･･････ ･･･････････ 25
2.4 .5 Conc ert Su rro und Ch eck
2.4 .6 Conc ert H al l Su rr o und/ Mona ural C he ck ･･･････ ････････ 25
2.4.7 Dolby Pro-logic Check
2.4 .8 Dol b y Pro-log ic / Mon aura l Ch eck ････････････････････ 25
2.5 R ast er Incl i na tion Ad ju stm ent (D efl ect io n Yok e )
2.6 Raster Positio n Adjustment････････････････････ ･･････ 26
2.7 Ver tical S ize Ad j ustm en t (R 63 0)
2.8 Horizontal Size Adjustment (R603) ･･･････ ････････････ 27
2.9 Beam Alignment
2.1 0 Beam Sh ape A djustm e nt ････････････････････ ･･･････ 28
2.11 St atic Focus Adjustment
2.1 2 Bl ue D ef ocus Adjus tm ent ･･･････ ･････････････ ･･･････ 28
2.1 3 Digital Co nverg enc e Adjustmen t
2.1 3.1 Raster Position Adjustment ･･･････ ･････････････ ･････ 30
2.1 3. 2 C on ve r ge nc e Poi nt Ad j ustm en t
2.1 4 Sub P ict ur e (P I N P) Ad justmen t ････････････････････ ･31
･･･････ ･････････････ ･･････････････
･･･････ ･････････････ ･･････････････
･･･････ ･････････････ ････
･･･････ ･････････････ ･･･････
･･･････ ･････････････ ････････
･･･････ ･････････････ ･････････
･･･････ ･
･･･････ ･････････････ ･
･･･････ ･････････････ ････････
･･･････ ･････････････ ･
･･･････ ･････････････ ･･
V-4300
V-5000
21
24
25
25
25
26
26
27
28
29
30
No. 51876
19
Page 20
A
V-4300
A
V-5000
1. ASSEMBLED P.W.B. ADJUSTMENT
1.1 AFC Alignment
Ad just ment Pre para ti on
1. Ap ply rel e v ant RF sign al ( a) CH05 (f p= 85 .25 MHz) . Ap pl y
h eat r un for m or e t han 30 minut es to a void i nf luenc e of
ci rcu it temperatu re d rift .
2. The SOUND SYSTEM is selected to D/ K standard.
3. Receive the CH05 using frequency direct of SETUP Menu
to ens ure A FC loop i s OFF.
4. Connect oscilloscope and voltmeter to pin 4 PTP connector
of SI GN AL P.W.B.
5. Adjust L202 until fast rate of change is seen on the
oscilloscope.
6. Adjust L202 so that the voltmet er r ead s 2 .5V ±0.2V.
1.2 AGC Alignment
Ad just ment Pre para ti on
1. After rec eiv ed the si g nal, ap ply he at r un for more tha n te n
min utes to avo i d t he in fl ue nce of circu it te mp er atu re dr i ft.
2. C on nect a v oltm et er of at least 1 00K o hm i n tern al
resi stan ce t o t he AGC t er mi n al ( pi n 1 PTP c on nec tor) .
3. Received the channel below.
4. Ad just AGC potentiomet er R245 until the f ollowing voltage
is ob tain ed.
Receiv ed si g nal
Ch Level
-56d Bm
05
(+53dBμV 75ohm terminated)
< Main IF Adjustment Point >
Settin g Volt age( V)
Maximum Voltage
- (1.0V±0. 1V)
[about 8V]
1.3 A2 & NICAM Operation Check
Ad just ment Pre para ti on
1. R eceive d the A2 or NIC AM ste r eo br oad cast.
2. Set the SURROUND mode to STEREO.
OSD E xpression
Check OSD e xpress i on i s ch anged as fol l ow s.
Au di o Mo de is se l ected b y remot e c o ntroller.
1.4 SECAM Bell Filter Adjustment
Ad just ment Pre para ti on
1. Recei v e the SECA M Ph ilips pa tte rn sig nal or c olor b ar
si gnal .
2. C on nect th e p robe to p i n 21 of I5 03 at si g nal Sub P.W.B.( as
sh own in fi gu re be l ow ).
3. Set t o “ CSY S” DATA: 06 , “ T VSW ” DATA: 05, “CTR A” DATA:
01 , “ 1 5SW” D ATA : 00 of V/C I2C AD JUST MO DE.
Ad justment Procedure
1. Ad ju s t the wav ef orm at pin 21 of I5 03, amplitu de m us t
match at each horizontal cycle by “BELL” of V/C I2C
ADJUST M OD E.
20
No. 51876
Page 21
A
V-4300
A
)
OSS COLO
V-5000
1.5 S EC AM Whi t e Ba lanc e Adj us tment
Ad just ment Pre para ti on
1. SECAM B EL L FILTE R adj ust m ent should b e fi n ish ed .
2. Receive the SECAM Philips pattern signal or color bar
si gnal .
3. Con nec t the p ro be to C5 36 (R - Y). C537 ( B- Y) at Signa l S ub
P.W .B (R ef er to f igur e bel ow ).
4. Se t to "CS YS" DATA: 0 6, "TVSW" DATA: 05, "CTRA"
DATA: 01, " 15SW" DATA: 00 of V/C I2C AD JUST MODE.
Ad justment Procedure
1. Ad ju stm en t sign al le vel as shown bel ow b y "RADJ" "BAD J"
of V/C I2 C ADJUST MODE.
1.6 Comb Filte r Ope rat io n C heck
Adju st me nt Prepa rat io n
1. R eceive the PAL Ph ilip s pa tte rn sign al .
2. Se le ct t he PICT U RE op tion usin g ['] button.
3. Se le ct PE RSON AL [SE T UP] opti on using [' ] but ton .
4. Se le ct t he COMB F ILT E R m od e by pr ess ing [%] / [$]
bu tto n.
Ad justment Procedure
1. Se t th e C OM B FILTER : O N by pr essing [ '] bu tton, and
ch eck t he COM B FILT ER op er atio n as sh ow n i n th e fi gu re
below.
line dots : a little
PAL (Philips pattern
NON CR
2. Se t th e C OMB FILTE R : OFF by pres si ng ['] bu tto n, an d
check the COM B FILT ER op er at ion as s h ow n i n th e figu re
below.
R
* REMARK
After Ad justmen t ( 1.5 and 1.6 ) I2C DATA Res et.
"C SYS " : 06 →→→→ 03
"TVSW" : 05 →→→→ 03
"CTRA" : 01 →→→→ 00
"15S W" : 0 0 →→→→ 01
No. 51876
21
Page 22
A
V-4300
A
Cross-hatc
V-5000
2. FINAL ASSEMBLY ADJUSTMENT
2.1 Le ns Fo cus Ad j ust ment
Ad just ment Prep ar ation
1. The or i en tatio n of P TV s et is arbitr ar y west, ea st, n ort h an d
south.
2. Centering DY inclination should have been adjusted.
3. El ectr ical f ocus ad ju stm en t sh oul d h ave b ee n c omplet ed.
4. Dr ive VR l ocat io n a djustm en t s hou ld ha ve be en co mp l ete d
(Red: 12 O'clock).
5. Recei v e th e cross- ha tch pattern signa l.
6. R efer to s etup below.
(
CONT RAST : 10 times PUSH b utt on fr om f ull scale to
lower side.
(
BR I GH TNE SS : minimum
Ad justment Procedure
1. Loose n the wing nu ts on the lens c ylin der so that the lens
cylinde r c an be turn ed. (Be carefu l no t t o loo sen too much ).
Af ter co mp l eti ng s te ps (4 ), ( 5) an d (6 ) bel o w. T ig ht enin g th e
win g nuts f or ea ch lens with a torque of 1.1 8Nm ( 12K gfc m)
~ 1.67 Nm (1 7K gfcm ) . (Be caref ul the l e ns cy lin de r n ot
tur n in g aft er having tig ht en win g nut s. Bu t if i t is tigh ten t oo
much, len s is to o t ilt or br oke n a s crew.)
2. App ly c overs t o ea ch colo rs of R, G and B len ses and
projec t a s i ngl e color o n th e s creen an d adj ust in seq ue nce.
(The adj u stm ent orde r of R, G and B is only an ex am p l e.)
3. If the lens adju stm en t kn ob is turn ed c l ockw is e view ed from
th e f ront, th e color ab er r ation ch ang e as f ol l ows .
4. In c ase of G l ens
Set to th e po i nt whe re t he ch romatic ab errati on s witc hes from
blue to r e d. If the chromati c a be rr at ion a ppea rin g all o ver t he
scr een in not th e sa me, obs er ve th e v er ti cal bright line and
ad just lens foc us as spec if i ed i n ta ble be low. W he n the re d
chr o matic aber r atio n ap pe arin g at b oth sides of t he br i gh t line
is not eq ual, ob serve th e sid e with l ar ger c hr om atic ab er ration
when adjusting.
OPTICAL FOCUSING ADJUSTMENT GREEN
ITEM UNIT
SCREEN SIZE 50" 43" INCH
LI AN D L2
(PITC HES f r om CENT ER)
BE TWE EN
L1 & L 2
I**COLOR
AB ERRATIO N
NOTE : * Slightly reddish or no color
** Slightly bluish or no color
Change the signal t o th e circle p atte rn and fi n e adjust.
Ob ser ve the corner pa rt of th e scr een, esp ecia lly obse rv e
nu mb er is th e sm all cir c l e whe n ad justi ng . If t he f ocus
p erf or m anc e at the sc reen ex ce eds th e lo we r l imit, i t is
acceptable.
O
4.0 4.0 CRO SS
HATCH
PITCHES
**
** **
REFFER
TO
NOTE
BE LOW
22
h
Lens
RED LENS Orange Scarlet
GREEN LEN S Blue Red
BL UE LE NS Pu rp le Gr ee n
Change of color aberration
Short focus Long focus
Color aberration
Small circ le of circl e pa tter n
NOTE :
1. Sinc e th e G li gh t is ver y importa nt for p ic tur e qu ality and
p erf or m ance, p ay sp ecial atte nti o n in i ts a dj ustm en t.
2. Be c arefu l n ot to t ouc h t he len s wit h you r fing er s when
adjusting.
No. 51876
Page 23
A
V-4300
A
V-5000
5. In c ase of R lens
Se t th e p os i ti on w her e th e chr om at ic ab er r ation ch ang e f rom
oran ge to s car le t. As sh ow n be low, o bse rve t he ve rt ic al brig ht
line an d ad just len s focu s wh er e th e sc ar l et o r oran ge
chr o matic aber ra tion slig htly ap pears insid e an d scar l et or
oran ge o utsid e ( re feren ce valu e :1~3mm) at th e p oi nt sp ecified
in t able below .
Change the sig na l and f in e - ad jus t i n the sa me way as th e G
lens.
OPTICAL FOCUSING ADJUSTMENT RED
ITEM UNIT
SCREEN SIZE 50" 43" INCH
L1 A ND L 2
(PITCHES from
CENTER)
AB ERRATIO N
NOTE : * Sli gh tly or a nge or n o c olor
** Slightly scarlet or no color
6. In c ase of B lens
Se t th e p os i ti on w her e th e chr om at ic ab er r ation ch ang e f rom
purple to green. As shown below, observe the vertical bright
line and a dj ust len s foc us wher e the pu rp le or gre en c hr om at ic
ab er r ati on sl i g htly ap pears i n side an d p ur pl e o r green ou tsi de
(refer en ce val u e: 1~3 mm ) at t he poin ts spe cified in t abl e belo w.
Change the sig na l and f in e - ad jus t i n the sa me way as th e G
lens.
OPTICAL FOCUSING ADJUSTMENT BLUE
ITEM UNIT
SCREEN SIZE 50" 43" INCH
LI AN D L2
(PITCHES from
CENTER)
side
AB ERRATIO N
NOTE : * Slightly purplish or no color
** Sli gh tly gre eni sh or n o c o l or
O** **
side
L
I* *COLOR
0.0
center
L
I* *COLOR
O
** **
0.0
center
--
0.0
center
--
0.0
center
CROSS
HATCH
PITCHES
REFFER
NOTE
BE LOW
CROSS
HATCH
PITCHES
REFFER
TO
NOTE
BE LOW
TO
7. After all colors have been adjusted, display all colors with
th e cr oss -h atc h p att er n s i gna l and co mp ar e th e fo cus
(opt ic al foc us) pe rf orm anc e wit h the lim i t sa mp le t es t.
2.2 Wh ite Ba lanc e Adj u stme nt
1. Sc ree n adjus tme n t
2. High brightness white balance
3. Low brightness balance
Screen adjus tment VRs Driv e adjustment VRs
Red : on FOCUS PACK Red : R873
Green : on FOCUS PACK Green : R843
Blue : on FOC US PACK
Adjustment Prepara tion
1. St art adj u s tm en t 20 mi n u tes or m ore aft er th e p ow er is
turn ed ON.
2. The vertical incident illumination on the screen should be
20lux or less.
3. Se t th e vide o se tting s (con trast: m ax , oth er s: cen ter ) to
standard condition.
4. F or lo w brigh tne ss white ba la nce a dj us t ment, inp ut a white
raster signal level of 0.300Vp-p (Video input level).
5. F or hi g h b rig htn ess wh it e b alan ce adj us tmen t, inp ut a whit e
raster s ig na l le vel o f 0. 715V p- p( Vi de o in put level).
6. Set the drive adjustment VRs (red and green) to 12-2
o'clock position.
7. Turn the screen adjustment VRs (red, green and blue) fully
countercloc kwise.
8. Set vide o advance d se tting w hite contr ol t o COOL positi on.
Ad justment procedure
1. Go to V IDEO C HRO MA AD J UST mod e b y pr essi ng
TV/V IDEO and p ow er b utt on o n C ontr o l Panel at th e s am e
tim e.
2. In "SE RV ICE" mo de p ush t he ['] button and sc ree n turns
to bl ac k, G ra dually tu rn t he scree n ad jus tm en t V Rs ( r ed,
gree n b l ue ) cloc kwis e an d s et th em w he re th e r ed , g re en
an d b l ue sl ig htl y bright l ines just ap pea r eve nly on th e
screen.
3. Pus h t he ['] b utton ag ain t o retu rn t o Normal si de.
4. Press MENU button t o exit VIDEO CHROMA ADJUST.
Select the input signal for high brightness (Video level
=0.7 15Vp -p).
5. Ad jus t th e hi gh br i ght nes s wh it e ba lanc e using the dr ive
ad justmen t V Rs (re d, gree n) .
6. Se le ct t he s igna l for l o w br i gh tness (Vi de o l e ve l = 0. 300Vp p).
7. Ad just t he low br i gh tn ess w h ite b alan ce u sing th e sc reen
adjustment VRs (red, green and blue).
8. C heck that h i gh brigh tn ess wh it e bal an ce is obt aine d, If i t is
does not, retur n t o ste p (7) .
NOTE :
Be for e a djust ing the W hi te Ba lanc e, c h ec k th at th e scr een
ad justmen t VRs are tur n ed fu lly coun ter c l oc kwise. Si n c e th e
ph osp hor esc ent s urf ace of th e C R T is lik el y t o b e bu rne d, b e
careful.
White bala n ce = 10 40 0K + 10 MPCD
Color Coord inate = x : 0. 276 / y : 0. 293
No. 51876
23
Page 24
A
V-4300
A
(400Hz)
V-5000
2.3 Sub Brightness Adjustment
Ad just ment Pre para ti on
1. Start adjustment 20minutes or more after the power is
tur n ed ON, R ec eive t he c ol or b ar sign al.
2. Set th e contr ast a nd c ol or co ntr ol s t o minimum.
3. The ambient illumination on the screen should be 20 lux or
less.
W
75 % Y C Y G MG R BL
A7 A6 A5 A4 A3 A2 A1
b
c
d
Q I W 10 0% BL K
Sh oul d s i nk t o black
Sh oul d r is e slight ly fr om bl ac k
Ad justment Procedure
1. Go to Sub-Brightness adj us t ment in VID EO CHR OM A
ADJU ST m od e (pres s inpu t and Po w er bu tto n o n Cont ro l
p ane l at th e s ame t i m e), [%]/[ $] bu tto ns an d the n usin g
[&]/['] button.
2. Then adjust Sub-Brightness u sing [&]/['] buttons to
incr eas e or decr ease the valu e ( Vi su al ly ad ju st).
3. Af ter adjus tment, pr es s t he ME N U bu tto n t o exi t V IDE O
CHROMA ADJUST mode (Data is stored in memory).
NOTE:
When selecting S U B- BRI G HTN ESS mode the μco n s ets th e
CONT RAST an d COLOR to minimum automatically , but
make s ur e that the ot her c on di ti o ns are cent er, Dir ectl y
ob serve the screen by eye wit ho ut usi ng a mi rro r.
2.4 Surround Operation Check
Ad justment Procedure
Inp ut t he f ollowing aud io s ig na ls to the au dio inpu t of the
VIDEO IN PUT t ermin al s,
● W h en chec king sur rou nd :
(1) L CH : 400Hz sine wave 475mVrms
(2) R CH : 5kHz sine wave 475mVrms
● Set t he L- R SPE AKE R :ON.
● Set the volume controls of FRONT, CENTER and REAR to
arou nd th ei r cen ter s .
●
Se t t he BAS S, TR EB LE and BALANCE t o T YP. (2 4-25)
No te :
● Fr ont w av ef orm :F ount spe ake r out put of th e set .
● Rear wavef orm : Rear sp eak er ou tput of t he s et .
● Cen ter w a vefo rm :Center speaker output of the set .
2.4.1 St ereo Off Check
Ad justment Procedure
1. Set to SURROUND: OFF a nd check th at th e wavef orm
sh own b elow is o btained (i npu t sig nal (1 ) an d (2 )) .
No te : The rear and center will have no output.
2.4.2 Stereo Off / Monaural check
Ad justment Procedure
1. Check th at the f ol lo wing wavefo r m is obt aine d. T he
amplitu des of 2 ch an nel s ar e e qual ( In put sign al ( 1) on l y).
No te : Mon aural c h ec k c an be om i tte d. Th e rear an d cen ter
h ave n o out put.
24
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2.4.3 Stadium Surround Check
Ad justment Procedure
1. Se t to SURROUND : STADIUM
"
Check th at the f ol lo wing wa vef or ms ar e ob tain ed ( Inp ut
si gn al ( 1) and (2 )) .
"
Fr ont : C hec k that the p has es of R and L are diff eren t and
40 0Hz is su perim pose d on 5 kHz. T h e am plit ud es of R and
L are d if feren t.
"
Rear : C h ec k that the p has es of R an d L ar e op p osi te a nd
40 0Hz is su perim pos ed on 5 kHz . T h e am plit ud es of R and
L are d if feren t.
Note: Cent er h as n o o utp ut .
2. 4.4 Sta d iu m Su rrou nd/M ona ur al Ch eck
Ad justment Procedure
"
Check th at th e f ollowing wavef orm s are obtain ed.
(Inpu t si g nal ( 1) only )
"
Fr ont: R a nd L w a vefo rm s a re al m ost equa l.
"
Rear: R an d L wa vefor m s a re al m ost Z er o .
2.4.6 Concert Hall Surround / Monaural Check
Ad justment Procedure
"
Check th at the followin g wa vef orms are o bta ined ( Inp ut
si gn al (1) on l y).
"
Fr ont: Th e phas es of R and L are di ff erent . The a mp l it ud es
are diffe rent.
"
Rear: T h e p has es of R and L ar e opposite . Th e am plitud es
of R a nd L are e qu al.
No te : The m ona ural ch eck c an be om it te d. Am plitu de level s of
fr on t R and L ar e n ot eve n depe ndi n g on the P.W.B.
Cent er h as no o utp ut.
2.4.7 Dolby Pro-logic Check
Ad justment Procedure
1. Set to DOLBY PROL OG IC
"
Check th at the f ol lo wing wa vef or ms ar e o bta in ed ( In put
si gn al (1) an d ( 2 )) .
"
Fr ont : 4 00H z is s u pe rimpos ed on 5kHz .
"
Rear : R a nd L ar e th e s am e s ign al a nd 4 0 0H z is
superimposed on 5kHz.
No te : Cent er h as no o utp ut.
2.4.5 Concert Surround Check
Ad justment Procedure
1. Set to SURROUND: CONCERT HA LL.
(Input signal (1) and (2)).
"
Front: Check that the phases R and L signals are different
and 400 Hz is superimposed on 5kHz.
"
Rear: Che ck th at t he R an d L are op po si te and 40 0H z is
superimposed on 5kHz.The R and L amplitudes are equal.
No te : Ampl i tu de le vel s of f r ont R an d L ar e not e v en
d epe nd in g on P.W. B. C en ter h as no out put .
No. 51876
No te : MO DE is PROL OGIC (NORMAL)
2.4.8 Dolby Pro-logic / Monaural Check
Ad justment Procedure
"
Check th at the followin g wa vef orms are o bta ined ( Inp ut
si gn al (1) on l y).
"
Fr ont: Almost no outpu t from b oth R a nd L.
"
Cent er : Same as the a udi o i np ut sig nal .
"
Rear: Al m os t no ou tput fr o m R a nd L.
25
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2.5 Raster Inclination Adjustment (Defle ct io n Yoke )
Ad just ment Pre para ti on
1. The set can fac e east or west.
2. Input the single NTSC cross test signal.
3. Set vi de o c ond it ions to f acto r y r eset.
4. The l ens foc u s ad j ust me nt sh ould h ave be en c om pl et ed.
5. The el ect ri c f ocus s ho ul d h a ve b een co ar se a dj ust ed.
6. The d ig i tal co nver g enc e R A M s h ou ld b e cl e ared
(unc orrec ted sta te) . Wi th the T V set off , pr ess an d hold t he
ser v ice switch loca te d on th e Power/Def l ec ti on PWB a nd
th en pr es s t he po wer bu tton .
7. Start a djustme nt 2 0 mi nu tes o r mo re af ter TV is turn ed ON.
Ad justment Procedure
1. Appl y co vers to th e R an d B len s an d proj ec t o nly g re en
light.
2. Tur n the G d eflect ion yoke and adju st th e vert ic al ra s ter
inclination.
3. The n, r em ov e the c over of R and B l ens an d pr oj ect r ed or
blue light a nd gr een ligh t t ogeth er on the scr ee n.
2.6 Raster position Adjustment
Ad just ment Pre para ti on
1. T he set c an fac e n orth.
2. Input the single NTSC cross t est signal.
3. Se t vide o c ondit i ons to f acto r y r eset.
4. T he l ens foc u s adjust ment sh ould h av e be en c om pl et ed.
5. T he electr i c focus sh ou ld have b een coa rs e adjuste d. T he
digit al c onve rg ence RAM sho ul d b e c l ear ed (u ncorrect ed
state) . With t he TV s et of f, p re ss an d hol d th e se rvi c e s witch
locat ed on th e P ower /D efl ect ion PW B and the n pr ess t he
p ower bu tto n.
6. Start ad justmen t 2 0 minu tes or mor e after TV is turned ON.
Ad justment Procedure
1. Turn t he ce nte ring m ag n ets for r e d, green and blu e to
sat isf y th e con di tio n be l ow, T h e red and blu e h or izont al
lines s hould mat ch with gr een .
l :
Scree n size l
50 ” 0 25
43 ” 10 30
(RED)
1
(BLUE)
l
2
No te :
When ad justin g pa y a tten ti on onl y a t Ve rti c a l an d Hor izont al
line.
4. Tur n th e d eflec ti on yoke of R o r B an d s et s o th at the
incl i na tion of R an d B w i th r esp ec t t o th e gr e en li gh t is as
sh own b elow o n t he top an d bottom sid es.
5. Af ter r as t er i nc lin ati on adjust ment, fixi ng scre w of DY
sh ould be screwed with 1 2±2kg-cm torque.
NOTES :
1. If i nt ernal c r oss- h atch d oes n ot ap pea r after clea rin g RAM
d ata, press ser v i ce s witch agai n , on POWER /D EF LE C-
TION PW B.
2. To res tore ol d RA M d at a, t ur n T V off and on.
NOTES:
1. If inte rnal cross - h atch d oes no t ap pea r af ter cle ar i ng RAM
d ata, pr ess s erv ic e swi tch agai n.
2. To res tore ol d R A M D a ta, turn TV off and on.
2.7 Vertica l Si ze Ad justm e nt
Ad just ment Pre para ti on
1. T he set c an fac e n orth.
2. Input the single NTSC cross t est signal.
3. Se t vide o c ondit i ons to f acto r y r eset.
4. T he l ens foc u s adjust ment sh ould h av e be en c om pl et ed.
5. T he el ect ri c f ocus s ho ul d h a ve b een co ar se a djust ed.
6. The di gi tal c o nv er g enc e RA M sh ou ld be cl e ared
(unc orrec ted sta te) . With the TV s et off , press an d ho ld the
service switch located on the Power/Deflection PW B and
th en pr es s t he po wer bu tton .
7. Start ad justmen t 2 0 minu tes or mor e after TV is turned ON.
Ad justment Procedure
1. T ur n onl y t he g r een b y appl y i n g cover s to th e re d an d bl u e
lens an d s ho rt ing th e 2 pi ns TS co nn ecto rs on t he red a nd
blue CPT P W B.
2. Cou nt th e vert ic al lines of the DCU cross - h atch .I f the
nu mb er of verti cal lin es is 9, g o t o st ep (3 ). If th e num be r of
ver tic al l ines 8, push th e REV EAL bu tto n a nd th en but ton
nu mb er "5 " on the r em ote contr o l so the num be r of ver ti c a l
lines becomes "9".
3. Tur n vert ic al am p litu de ad justmen t V R (R 63 0) s o th at the
dista nce betw een th e hor i zon tal l i nes at th e up s i de of 4th
line f or m ce nte r li ne un ders i d e of 4th l i ne f rom c ent er line
th e D C U cross-h atc h patt ern i s “l”.
(R630)
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l :
Scree n size V. siz e
50 ” 66 0
43 ” 56 5
NOTES :
1. If int er nal cross - h atch d oes no t ap pear after cl ear ing RA M d ata ,
press service switch again (on POWER / DEFLECTI ON PWB).
2. To res tore old RA M D a ta, turn TV off and on.
2.8 Horizontal Size Adjustment (R603)
Ad just ment Pre para ti on
1. The set can fac e east or west.
2. Input the single NTSC cross test signal.
3. Set vi de o c ond it ions to f acto r y r eset.
4. The l ens foc u s ad j ust me nt sh ould h ave be en c om pl et ed.
5. The el ect ri c f ocus s ho ul d h a ve b een co ar se a dj ust ed.
6. The d igit al c on ver ge nc e RAM sh ould be clea re d
(unc orrected state). With t he TV set off, press and hold t he
service switch loc ated on the POWER/DEFLECTION PWB
an d t hen p ress th e pow er butt on.
7. St art adj ustment 2 0 minu tes or more after TV is turned ON.
Ad justment Procedure
1. Proj ec t on l y gree n, th e s ame a s Verti cal s i ze ad ju stm en t.
2. Turn h or i zont al size ampli tud e ad j ustm en t VR (R60 3) an d
adj ust s o tha t th e distance betwe en the ve rtical li nes a t t he
left 6th lin e from ce nte r li ne of th e DCU'S cross-hatc h
pattern is l.
l :
2.9 Beam Alignment
Ad just ment Pre para ti on
1. Ad ju st a t l east 30 m in ute s af ter tu rn in g on the p owe r sw i tc h.
2. The di gi tal c o nv er g enc e RA M sh ou ld be cl e ared
(unc orrec ted state) .
3. Rast er inclina ti on , ce nte rin g, horiz o nt al an d verti ca l
amplitu des an d opti c a l f oc us adjust ment sho uld be
completed.
4. Se t vide o c ondit i ons to f acto r y r eset.
5. Receive cross-hatch signals. (Use of internal cross-hatch
si gn als al l ow ed .)
6. Short circuit all metal parts (metal fittings, centering
magn et) insta l l ed on the pr oj ec ti on tu bes to GND's of t he
projec tion tub es, Sinc e m eta l par ts are ch arged w it h
elect ricity, sh ock may b e c aus ed i f th er e ar e not shor t
ci rcu it ed.
Ad justment Procedure
1. Gree n (G ) tu be beam align me nt a djus tm en t, Shor t- c ircu it
2P sub minia tur e c onn ec t or plug pins of Red ( R) a nd Blu e
(B) on th e CPT b oa rd s and pr oj ect on ly Gree n ( G) t ub e.
2. Pu t Green (G) tu be be am al i gnm e nt mag ne t to the ca ncel
state as sh ow n b elow.
3. Tur n the Gr ee n (G) s ta tic focus (Fo cus Pac k)
countercloc kwis e all the way and make sure of position
cr os s- hatc h c ente r on the s cree n ( H alo stat e).
4. T ur n the Gr e en ( G) sta ti c focus (Foc u s P ack) cl oc kwi s e all
the way (Blooming state) .
5. T ur n t wo m agnets for m in g a lig nm en t mag net in any d esired
directi o n an d m ove cr oss-ha tc h ce nte r t o posi tion f ou nd in
(3).
6. If image posi tion does no t sh if t when Green (G ) stat ic f ocu s
(Foc us p ack) i s tu r ne d. Gree n ( G) b eam a lign men t h as
b een comple ted .
7. If i ma ge position sh if ts w h en Green ( G) sta tic f ocus (Focus
Pack) is turned, repeat (2) - (6).
8. C on duct b eam ali gn ment f or Red ( R ) f ocus: Focu s Pac k
UFPK, B lue (B) f ocus: Focus Pack UFPK.
9. U po n co mp l etion of adjustmen t, fi x b eam al i gn me nts wit h
white paint .
4-POLE MAGNET & 2-POLE MAGNET
(Neck of Projection tube)
Scre en s iz e H. si ze
50 ” 96 5
43 ” 81 5
NOTES :
1. If i nt ernal c r oss- h atch d oes n ot ap pea r after clea rin g RAM
d ata, pr ess s erv ic e swi tch agai n.
2. To res tore old RA M d at a, t ur n T V off an d o n.
6th line from center line
No. 51876
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2.10 Beam Shap e Adjus tmen t
Ad just ment Pre para ti on
1. The be am alig nm ent sho ul d ha ve bee n co mp et ed.
2. T he rast er inc lin ati on , ce nte rin g, h orizo nt al / ver ti c al
amplitu de and op tic al focu s a djust me nts sh oul d h av e b een
completed.
3. Set vi de o c ond it ions to f acto r y r eset.
4. Inp ut the dot signal.
Ad justment Procedure
1. Gree n P RT b eam shap e adjust ment, Sh ort -ci r c uit 2p s ubmin i co nn ecto rs o n R ed an d Blu e CPT P.W .B. s to p r oj ec t
on ly the Gr een b eam.
2. Tur n th e gr een st ati c fo cus f ull y cl ockw i se (blo om i ng) .
3. Make th e dot at the sc r een ce nte r a true ci rcl e us ing the 4 p ole m ag net as sh own b e low.
4. Also ad ju st t he R ed and Blue PR T b eam sha pes acc ordi ng
to the st ep s (1) to (3) .
5. After the a djus t ment h as be en co mp let ed, r et urn R, G a nd
B static VRs to the Just Focus Point.
PRT S URF ACE S ID E
TR UE CI RCL E S PE CI FI C ATI ON
2.12 Blue Defocus Adjustment
Ad just ment Pre para ti on
1. Op tic al an d el ectr i cal f ocus ad justmen t s h oul d have be en
completed.
2. T he c on v er ge nc e ad justmen t s h ou ld have be en c omplet ed.
3. Se t Vid eo c ond i tions to fact ory r eset
Ad justment Procedure
1. Inp ut cr os s-h atch si gn al s how n bel ow to V IDE O or R F
input.
2. Turn the B Foc us VR (Focus Pack) fully clockwise.
3. Af ter th e adjustm ent i s com plet ed, i f b lue e xcee d t he
sp ecif i cati on , tu rn an d adjust fo cus s o t hat the s t icki n g out
p art of blue sat isf ies th e s p ec ifi ca ti on.
STICKING OUT OF BLUE
UNEVENNESS SPECIFICATION :±±±± 1c d/ m
Defocu s st ick ing out spec ific at ion
Screen size Blue sti cking out
50 ” 1.0 m m
43 ” 1.0 m m
Conditions :
User contr ol s are set t o th e in iti al set p osi ti ons ( for s hip me nt) .
Measu rin g p oi nt Scr e en c ent er.
Cautions :
"
Correct th e bright ness gauge a nd a mp litu de of the a l l white
si gn al per i od ic al ly. Th e a per tu re an gle of th e Br i gh tnes s
o
g aug e 1
"
Use a cros s-h atc h pat tern to chec k.
2
TRUE CIRCLE DEGRE E
a/b SPECIFICATION : 0.9-1.1
2.11 Static Focus Adju stment
Ad just ment Pre para ti on
1. T he rast er inc l ina ti on, ce nter in g, ho rizo nta l / ver ti c al
amplitu de and opt ic al / el ect ri cal foc us bea m ali gn me nt
sh ould ha ve been co mp l ete d.
2. Set vi de o c ond it ions to f acto r y r eset.
3. Receiv e the c r oss- ha tch pat tern sign al.
4. Ap ply c over s t o the le ns es of c olor s o th er than the colo r to
b e ad j uste d and project a sin gl e color.
Ad justment Procedure
1. Red ( R), Gr een (G) a nd Blu e ( B) sta tic foc us adj us tmen t.
Vary the st ati c f oc us VR (f ocus p ack U FP K) an d m ake t he
cen ter o f the cr oss- ha tch pat tern c lear est .
2. Ob serve t he c or ner s of t he picture an d c h eck that th e focu s
does not conspicuously worse.
OBSERVING POINTS OF THE CORNER OF THE PICTURE
OB S E RVING PO I N TS
28
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2.13 Digit al Convergence Adjustment
(Jig
)
(Jig
)
.
Ad just ment Pre para ti on
1. R eceive an R F or V id eo sign al.
2. Se t co ntrols t o factory p reset .
3. Ins tall jig sc r ee n o n the set .
# Require t o rep l ace 3 p r ojection tube s
4. N ote the cent er of th e v ide o pat ter n di s playe d . T his i s
n ecessary t o mat ch d otte d l ine s (adju stm ent poi nt vie w ed) an d
act ual p oint th at i s adj u s ted and displ ay e d by th e video sign al .
5. Press th e SE RV ICE ONLY swit ch ( on P OW ER /D EF LEC T IO N
PWB). The pattern displayed is now the digital convergence
mode.
6. W hen p erf or min g a co mp l ete di git al c on v er ge nc e a djus tm en t
CLEAR DATA in RAM, See 2.5 (1) - (7).
V-4300
V-5000
Ad justment point (screen center)
< NTSC mode Adjustment point >
(((( : Adjustm ent point ……
…… 9×××× 13= 117 poi nt s
…………
< NTSC mode CONVERGENCE CROSSHATCH >
screen size
46.6
< PAL mode Adjustment point >
(((( : Adjustment point ……
NOTE : PAL mode can be confirmed by extra horizontal lines
…… 9××××13 = 117 poi nts
…………
< PAL mode CONVERGENCE CROSSHAT CH >
screen size
46.6
84.5
54.3
108.6
54.3
1015.4
84.5
84.5
90.65
760.2
33.3
1015.4
No. 51876
84.5
0.7
760.2
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2.13.1 Raster Positio n Adjustment
Ad just ment pr epa rat ion
1. Posi ti on ad ju st me nt
This will move an entire color. Use this adjustment to match
col or s a t t he cent er of th e scr ee n.
2. Use the button s b elow to switch c olor to adjust.
▼▼▼▼
[
] button : Green
[ 0 ] button : Red
[▲▲▲▲ ] button : Blue
Ad justment Procedure
1. Press the [LS T-C H ] but ton . Extra ho rizo nta l lines ap pear to
confirm raster position mode.
2. Use th e c ursor bu ttons to ad just p osi tion .
3. Press the [LS T -CH] but ton ag ain t o exit r ast er p osi ti on
mode.
NOTES :
1. Oth er fu nctio ns ca nnot b e access ed w hen i n r as ter p os iti on
mod e. Press the [LST-CH] button and co nfirm extra
h orizo ntal l in es d is appea r to ex i t r as t er po s iti on m ode.
2. Pr es s th e [MENU] bu tto n t o switc h b etwee n all c ol o rs
disp layed or a dj ust me nt c olor a nd Green onl y.
2.13.2 Convergence Point Adjustment
Ad just ment pr epa rat ion
1. Select color to adjust.
[▼▼▼▼ ] button : Green
[ 0 ] button : Red
[▲▲▲▲ ] button : Blue
2. Use [4 ], [6 ], [2 ] and [5] butto ns to move th e cursor po sit ion
(dotted lines).
3. Use cu rs or bu tton s to m ov e th e co nverg enc e.
4. Adju s tme nt po in ts ar e 117 po in ts (H :1 3 x V:9 p oi nts) . Ref er
to section 2.13 .
5. Start ad justmen t a t th e c ent er of the scr ee n.
6. Cont in u e adj ustm en t at n ext c losest pos ition.
7. Adjus t c ent er ar ea fi rst , a nd en ding w i th edge s ecti on .
Ad justment Procedure
1. Start ad justmen t a t th e c ent er of the scr ee n.
2. Cont in u e adj ustm en t at n ext c losest pos ition.
3. Adjus t c ent er ar ea fi rst , a nd en ding w i th edge s ecti on s.
4. Calculation
When con verg enc e ad ju stm en t is f inishe d, press th e
[CH(di gi t)] b utt on on the re mo te c ontr o l, then th e ca lcu lati o n
mode starts. The operation time is about for 5 seconds and
no picture appears during this operation. This operation fills
con ver g enc e dat a b etw ee n each adju stment po ints. If y ou
find mi sc onv e rg enc e m or e th an 1 m m, ad just th e
con verg ence agai n.
5. Write da ta to R OM. Press th e [IN D EX] but ton on r em ote
control. First, press: "ROM W RITE?" is displayed for alarm.
Se con d, pr es s Dat a st ar ts to wri te t o R OM, it ta kes abo ut
for 1 0 s ec onds an d no pi ctu r e ap pear s durin g this ope rati on .
When Gr een d ot patt ern app ears, wri ti n g oper at ion is O K. If
writing operatio n is OK, p ress a ny b utt on, to r eturn to th e
ad justmen t m ode. When re d dot appe ars, wr iti ng ope rati on
is NG. If writ in g op er atio n is N G, r ep l ace di gi ta l
con verg ence unit and r e adju s t. Push th e "S ER VICE ON LY"
switch a ga in to finish the adjust ment.
6. The digital convergence has 2 modes 60Hz (NTSC) and
50Hz (PAL), change another mode then adjust again
(2.13.1 ~ 2.13.2).
30
< DIGITAL CONVERGENCE REMOTE CONTROL BUT TON >
NOTES :
1. CH I/II butt on : cross - ha tch/ v ideo m od e
* Press [CH I/II] b utton 5 tim es t o d isplay e xtern al sign al.
* Press [CH I/II ] b utto n 5 ti m es ag ai n t o retu rn to DCU
internal cross-hatch.
2. MENU button : remove color mode
Press the [MENU] b utt on to switc h b et w een al l c ol or s
disp layed or a dj ust me nt c olor a nd green o nly.
* Press [0] butto n, th en pr es s [ MENU] button : Red and
Green displayed (Blue removed)
* Press [▲] butto n, t he n pres s [MENU] b utto n : Blue and
Gr ee n d is played ( R ed removed )
* Press [▼] b utto n, th en p r ess [MENU] b utto n : on ly G reen
displayed
3. LST-CH butt on : r ast er po sition adju s tm ent
4. ▼ / 0 / ▲ bu tto ns : ad ju stm en t poi nt m ode
* Press [▼] but ton 5 tim es to 9 (H:3 x V: 3) p oints mode.
* Press [0] button 5 t imes to 35 (H:7 x V: 5) points mode.
* Press [▲] but ton 5 times to 11 7( H:13 x V: 9) p oi nts mo de.
No. 51876
Page 31
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A
2.14 Sub Picture (P IN P) Adjustment
< Sub Picture White Balance Adjustment >
(BLUE : adjustm ent R307
(GR EE N : ad ju s tm ent R305
(R ED : ad ju s tm ent R 303
[On the SIGNAL P.W.B]
Ad just ment Pre para ti on
1. St art ad jus tm en t a bo ut 20 m i nut es aft er t he po wer switch i s
turn ed ON.
2. Be fore ad justmen t for P i n P su b pi ctu r e，make sure tha t the
white ba lanc e for main p ictu re a lre ady ad justmen t.
3. Disp l ay a nd m atch th e su b p ict ure details w it h th e ma in pi ctu r e
details.（Receiving color bar signal）
4. Condition should be set as follow.
Su b pi ct ur e br i g htness : 3/4
Su b p ict ure C on tras t : MAX
Others : Center
Ad justment Procedure
1. Using the oscilloscope. Connect to P802, P832 and P862
respectively for R,G, B adjustment.
2. Ob ser ve t he wavef orm of P 80 2 on t he CP T P.W .B and turn the
BL UE ad justm ent VR R3 07 . Ad j ust s o t hat th e sub -pict ur e
level same as the m ai n pi ctu r e le vel.( R efe r to th e w avef or m
exp laine d i n N o.5 )
3. Sim ila r ob ser ve h e wav efo rm of P83 2 on t he CP T.P.W.B and
turn the G REEN adjustm ent V R R305. Adjust so that the sub-
pictu re l eve l same as th e ma in pi ct ure lev el.
4. Sim ila r, ob s er ve the wave fo rm of P86 2 on the CPT P.W .B an d
tur n th e R ED adju stm ent VR R 3 03. A djust s o t hat t he s ub pictu re l eve l same as th e ma in pi ct ure lev el.
5. Ad justment spe cif ic ation :±±±± 1V
Quali ty control s pecification : ±±±± 3V
Waveform of P802, P832 and P862: Cathode
# Su b picture l evel c o mp ared w it h ma in p ict ure l e ve l .
V-4300
V-5000
1V
Main picture (white)
Oscilloscope range: 10V/0.2msec
####
If the sub picture sag to vertical direction.
Ad just the s ub picture center p oi nt.
Sub picture (white)
No. 51876
31
Page 32
A
V-4300
A
tu
A
B
V-5000
TROUBLESHOOTING
1. No raster and no power
No raster
Is P ower In dic ator
Red LED "ON"?
DM03
Yes
Check HV-
PROTECT li ne
DN10, DN11
Check
Con nect or
PY1, I501 etc.
No
Check
DIAGNOSIS
LED's
Is Red LED"ON"?
PROTECTION
D91 2
Yes
How to chec k DIAG NOSIS LED's.
1. Turn OFF pow er SW.
2. Turn ON again after several seconds, and c areful observe 8 green LED's
Did 8 gr een LE D 'S
rn OFF same time?
No
No
32
D964(A12V)
Check
A12V line
I910, I001,
IY01,
HM01 etc .
D93 9 (T V5V)
Check
TV5V line
I913, Q905
D938, L911
etc.
Find which LED's is going to dark of OFF.
(Oth er LE D' s are go in g t o OFF litt le bit late r s ame t i me .)
D946 (TV9V)
Check
TV9V line
I912, Q905
D928, L909
L922 etc.
D966 (+27V)
Check
+27V line
E995, Q902
IK04, IK05
etc.
Yes
No. 51876
D96 7 (-23V)
Check
-23V li ne
E996, I909
IK04, IK05
etc.
D947 (32V)
Check
Audio32V
line
E992, E997
I401 etc.
D94 0(+B)
Check
+B 120V line
E994, Q777,
T702, C701
etc.
D977 (22V)
Check
Audio22V
line
E993,
E998, I402
etc
Page 33
A
V-4300
A
A
o
Q70
B
V-5000
Is
Vo ltage at pi n (5)
f I901 10~16V?
Ye s
Has protector
F901 blown
Ye s
Check I90 1, D911, D910, D969
Replace F 90 1
NO
NO
Check D9 07, C9 07 , Q 90 1, R9 05 ,
R906
Check I901
Does raster
appear with G and K of Q 914
shorted?
Ye s
Check I905, I 903, I902
Q914, Q913, Q912
Q909, T901 etc.
NO
Is base
voltage of
1 normal?
Ye s
Are volt ages of both
ends of T701 (prim ary
side) normal?
Ye s
Check Q777, T701
(About AC 0.3V)
(About AC 40V)
NO
Check I501
pin (23)-H out
pin (22)-DEF Vcc
H.Vcc Line
Q917, Q916
NO
Check I901, D90 7, Q701
Replace F901
No. 51876
33
Page 34
A
V-4300
A
V-5000
2. No Picture
No picture
Is waveform at
pin 41,42,43 of
I501 normal?
Abnormal
Does on-screen
display appear?
Ye s
Norm al
Q504, Q505, Q506,
CPT PWB ASS'Y
No
I501, I001
34
Is waveform
at pin ⑤ of CD-
connector normal?
Abnormal
Is waveform
at pin ⑨ of CD-
connector normal?
Abnormal
U101 (Front-end)
IY01
Norm al
Q508, I501
Norm al
IX02 etc.
(3 li ne comb)
No. 51876
Page 35
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A
3. Reception impossible with snow noise
e
(33v) of UT0
(33v) of U10
Main Picture
Reception impossi ble with snow noise
V-4300
V-5000
Is there output of
PLL control Pulse
(SDA, SCL) of U101
P IN P sub-window
Reception impossi ble with snow noise
I001
No
Ye s
Is there voltage
applied to pins Vcc
(9v ), BP (5 v), and
VT
I912, I913, D103
1
Ye s
U10 1
Is there output of
PLL contr ol pulse
(SDA, SCL) of UT01
No
I001
Ye s
No. 51876
Is there voltag
applied to pin s Vcc
(9v),BP (5v),and VT
1
No
IT01, I911, I912,
I913, D104
Ye s
UT01
35
Page 36
A
V-4300
A
V-5000
4. Defective synchronization
Defective synchroni zation
Check
Emitter voltage of
Q609
Normal
(26V )
Observe
wav efo rm at
pin-32 of I501
Normal
Abnormal (OV)
Q902
Abnormal
I501I601
36
No. 51876
Page 37
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A
5. Incorrect color
Incorrec t color
Color condition
V-4300
V-5000
No c olor
Def ective
White bal ance
Are vol tag es at
pins 41,42 and 4 3
of I5 01 ab norm al ?
No
Ye s
Ye s
Is chroma signal
input at pin 13
of I501
IX02, etc.
(3 Line Comb.)
I501
No
Are voltages
at pin-3, 4, 5 of PY1
connector normal?
abnormal?
Ye s
I501, X501
etc.
No
Q504, Q505,
Q506
Does retrace line
appear with
signal col or?
Red does
not appear
Q861, Q862
D861, PRT(R)
No. 51876
Green does
not appear
Q831,Q832
D83 1, PRT (G)
Blue does
not appear
Q801, Q802
D801, PRT(B)
37
Page 38
A
V-4300
A
V-5000
6. No sound (when Surround off)
No Sound
Check
voltage at pin 9 of
I401
32V
Is audi o signal
input at pins 3 and 5
of IS05?
No
Is audi o signal
input at pins 9 and 10
of IS01?
No
0V or lower
Yes
Yes
E992
+32V Power Supply
IS05
(1) Check the I
2
C bus (SCL, SDA)
(2) Check IG01 (GEQ IC)
IS01
(1) Check the Bus-Line
(clock , data, enable)
(2) Check IS02
38
Is audi o signal
input at pins 1 and 10
of IS12?
No
Is audi o signal
input at pins 38 and 39
of IY01?
No
U10 1
Yes
Yes
Check the I
No. 51876
IS12
Check the pin 7 of IS12
IY01
2
C bus (SCL3, SDA3)
Page 39
A
V-4300
A
V-5000
No. 51876
39
Page 40
A
V-4300
A
V-5000
40
No. 51876
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