JVC AV-56WP30 User manual

No.52007
AV-56WP30
1COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
Jun. 2002
AV-56WP30
CONTENTS
!SPECIFICATIONS ････････････････････
････････････････････････････････････････
････････････････････2
!SAFETY PRECAUT IONS ･･････････････
････････････････････････････
･･････････････3
!FEATURES･･････････････････････････
････････････････････････････････････････････････････
･･････････････････････････4
!FUNCTIONS ･････････････････････････
･･････････････････････････････････････････････････
･････････････････････････4
!INSTALLATION ･･････････････････････
････････････････････････････････････････････
･･････････････････････7
!TECHN IC AL INF ORMATION ････････････
････････････････････････
････････････8
!MAIN PART S LOCAT ION ･･････････････
････････････････････････････
･･････････････9
!SPECIFIC SERVICE INSTRUCTIONS ･･･
･･････
･･･ 10
!SERVICE ADJUSTMENTS････････････
････････････････････････
････････････ 19
!TROUBLESHOOTING ･･･････････････
･･････････････････････････････
･･･････････････ 51
!PARTS LIST ･･･････････････････････
･･････････････････････････････････････････････
･･･････････････････････ 53
★OPERATING INSTRUCTIONS
★STANDAR D CIRCUIT DIAGRAM ･･･････
･･････････････
･･･････ 2- 1
SERVICE MANUAL
REAR PROJECTION TELEVISION
BASIC CHASSIS
SB2

No. 52007
A
V-56WP30
2
SPECIFICATIONS
Items Contents
Dimensions (W×
××
×H×
××
×D) 13 6.8 cm×13 8. 6cm ×66 .7c m ( 53 - 7/ 8”×54 -5 /8” ×26 -3 /4” )
Mass 95.0 kg (209.0 Ibs)
TV RF System
Color Sy st em
Sound System
CCI R (M)
NTSC
BTSCSystem (Multi Channel Sound)
TV Receiving Channels and Frequency
VL Band
VH Band
UHF Band
(02～0 6) 54 MH z～88MHz
(07～1 3) 17 4M Hz～21 6M Hz
(14～6 9) 47 0M Hz～80 6M Hz
CATV Receiving Channels and Frequency
Low Band
High Band
Mid Band
Super Band
Hy per Ba n d
Ul tr a B an d
Sub Mid Band
(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 (3 7～64 )
(W +29～W + 84) b y ( 65～1 25)
(A8, A4～A1) by (01, 96～99 )
TV/CATV Total Channel 180 Channels
An ten na T er mi n al 75Ω(VHF/UHF) F-type connector
Intermediate Frequency
Vide o IF Car rier
Sound IF Carrier
45 .75 MHz
41.25MHz (4.5MHz)
Color Sub Carrier 3.58MHz
Power Input
Power Consumption
12 0V AC , 6 0H z
225.8W (Max) : 0.6W (Standby)
Screen
Screen Size
Projection Tube
Hi g h Vo lt ag e
Transp ar en t scree n ( un iti zed fr esn el l en s / d ou bl e l e nti cu l ar l ens)
56” ( 1 42cm ) M eas ur ed di ag on ally, 1 6: 9 r atio (W :124 .0cm , H:6 9.8 cm)
17cm (6.7”) tube ×3( R / G / B )
31kV ±1.0kV (at zero beam current)
Spe ake r
Au dio Power Output
φ16cm round ×2, φ5.5cmround ×2
10 W +1 0W
External Input
Video Input
Au dio Input
1V p-p, 75Ω( RCA pin jack ×4)
50 0m Vrms ( -4 dBs ), h i gh imp ed anc e ( RC A p in jack ×8)
S-Video Y: 1Vp- p p ositi ve ( n eg ative s ync p r ovi de d, wh en ter minat ed wit h 7 5Ω )
C: 0. 28 6Vp-p (burst signal, when t ermin ated with 75Ω)
Min i-DIN 4 pin c onn ect or ×2
Comp onent Input PB: ±0.35Vp-p, 75Ω(RCA pin jack ×2)
PR: ±0. 35 Vp- p , 75Ω(RCA pin jack ×2)
Y: 1Vp- p , 75Ω(RCA pin jack ×2)
10 80 i DTV (d igi ta l br oa dcast ) re ad y
Au dio Output Fix : 5 00 mVr ms (-4 dBs ) lo w i mp ed anc e ( 1kHz w h en mo du la ted 1 00%)
Digital-Input DVI-D signal link 19pin connector
( Digit al -in put ter mina l is not com pa tible w it h co mp ut er sign al.)
Speaker Input 45 W 16Ω(maximuminput)
AV Compulink Ⅲ
ⅢⅢ
Ⅲφ3.5mm mini jack
Remote Control Unit RM-C32 2G
( AA/R 6 /U M- 3 bat ter y ×2)
Design & speci ficatio ns ar e su bje ct to change wi thou t no tice.
(54MHz～80 4M Hz)

No. 52007
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V-56WP3
0
3
SAFETY PRECAUTIONS
1. The d esi gn of t his p ro du ct c ont ai ns spec ial h ardwar e, m an y
ci rcu it s a nd co mp on ent s sp ecially f or s afet y p ur pos es. F or
continued protection, no changes should be made to the
or igi na l des ig n u nl ess a uth or ized in wr iti ng by t he man uf actu re r.
Rep lacem en t par ts m ust be i d ent ic al t o t hos e u sed in th e
or igi na l cir cuit s. Se r vic e sho uld be per fo rmed b y qu al ifi ed
p ers onn el o nl y.
2. Al te r ation s of th e desig n o r ci rcu itr y of th e p r odu cts s hou l d n ot
b e m ad e. A ny de si gn al te ra tions o r ad diti o ns wi ll vo id th e
manufacturer's warranty and will further relieve the
m anu fact ur er of r esp ons ib ilit y f or pe rs ona l i n ju r y or p r ope rt y
d am age r esu lt in g t her ef r om.
3. M an y e l ectr ical an d m ech an ic al pa rt s in th e p r odu cts h ave
sp ecial saf ety-r elat ed c haract eris tics. Th ese charac ter istics are
oft en n ot e vid en t fr om visu al in spe ction no r can t he pr ote cti on
aff or de d by th em n ecess ar il y be o bta in ed b y usi ng
r eplac ement co mp on ent s ra ted for h ig her vo ltag e, wa ttag e, etc.
Rep lacem en t p ar ts t hat ha ve th ese sp ecial s afet y
ch ar acter isti cs a re i d enti fie d in th e par ts l ist of S ervice m an ua l.
Electrical components having such featur es are identified
by shading on the schematics and by (!
!!
!) on the parts list
in S ervice manual . Th e u se of a su bst itu te re plac em en t which
does not have the same saf ety characterist ics as the
r eco mm en de d re plac em en t pa rt sho wn in the pa rts l ist of
Se rvice ma nu al m ay c aus e sh ock, f ire, or o th er haz ar ds.
4. Use isola tion tr an sfo rme r wh en hot c hass is .
The chassis and any sub-chassis contained in s ome products
ar e c on nect ed to on e si de of th e AC p ower line . An i sola ti on
tr ansf or mer of ad equ ate cap acity sh ou l d be i nser t ed bet we en
th e p r odu ct and t he AC p ower su pp l y p oi nt w hil e p er for ming
an y servi ce on so me pr o ducts wh en th e HOT ch assis is
exp ose d.
5. Don't shor t between the LIVE side ground and ISOLATED
(NEUTRAL) side ground or EARTH side ground when
repairing.
So m e m od el's p ower c ircui t i s par t ly di f fer en t in t he GND. Th e
diff er enc e of t he GND is sh own by th e LI VE : (") side GND,
th e ISO LATED(NEUTRA L) : (#) sid e GN D an d EAR TH : ( $)
si de GN D. Don 't sho rt be tw ee n t he LIVE si d e GND a nd
ISO LATE D(NEUTRAL) side GND or EARTH side GND and
never measure with a meas uring apparatus (oscilloscope etc.)
th e LI VE side GND a nd ISO LATED( NEUTRA L) side 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 an y re pa ir h as b ee n m ad e to th e ch assis, i t i s re com mend ed
th at t he B1 se ttin g sh ou ld b e chec ked or ad j uste d (S ee
ADJU STM ENT OF B 1 POW E R SUPPL Y).
7. The hi g h volt ag e a pp lied t o th e pi ctu re tu be mu st co nfo rm wit h
that specified in Service manual. Excessive high voltage can
cau se an i ncr ea se in X-Ra y em ission , a rci n g and p ossi ble
com po ne nt d am ag e, th er ef or e op er ati o n un der excess i ve hi gh
vol ta ge c ond it ions sh ou ld be ke pt to a m in imu m, or sh ou l d be
pr eve nt ed. I f seve re arc in g occu rs, r em ove th e AC p ower
immediately and determine the cause by visual inspection
( in cor rect i nsta lla ti on , crac ked o r m elte d high voltag e h ar ness,
p oor s ol de rin g, etc. ). T o ma in ta in the pr op er m inim um l e vel of
soft X-Ray emission, components in the high voltage circuitry
incl ud ing the pi ctu r e tu be mu st be the exa ct r ep lacemen ts or
alte rn at i ves a ppr o ved b y th e ma nuf actu r er of th e co mp lete
pr od uct.
8. Do n ot c hec k high vol ta ge by d r awin g a n ar c. Us e a high
vol ta ge m ete r or a h igh volt age p ro be w ith a VT VM. Disch ar ge
th e p ictu r e tu be bef or e a tte mp ti ng me ter co nne ction , b y
con nec ting a clip lead t o th e grou nd frame a nd con necting t he
oth er e nd of t he l ead th r oug h a 10 kΩ2W resist or to t he ano de
bu tto n.
9. W hen se rvi ce is r equ ir ed, ob ser ve th e o rig in al l ea d dr ess.
Extr a p r ecau tion sh ou ld be given t o assu r e cor re ct lea d dres s
in the h i gh volta ge c ir cu it ar ea . W her e a sh ort circui t ha s
occu rr e d, th ose c omp on en ts th at i nd ic ate evi den ce of
overheating should be replaced. Always use the
m anu fact ur er's r eplace m ent com p on ents.
10 . Isolation Check
(Safety for Electrical Shock Hazard)
Af ter r e- a ssem bli ng th e pr od uct , always pe rf or m an i so l ati 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 ina ls, vi de o/a ud io in pu t and out put t er min als, C on tr ol
knobs, metal cabinet, screwheads, earphone jack, control
sh afts, etc.) to be sur e th e pro duct is saf e t o op er at e with out
d ang er of el ect rica l shoc k.
(1) Dielectric Strength Test
The is ol at io n b etwe en the AC pr ima r y circu it and al l m eta l par ts
exp ose d t o th e us er , par t icu l arly an y expo sed m etal p ar t h avi ng
a return pat h to the ch assis sh ou ld withst and a volta ge of
11 00V AC ( r.m .s.) f or a p er iod of on e sec ond .
(. . . . Withs tand a voltage of 1100V A C (r.m. s.) to an appliance
r ate d up to 1 20V , a nd 3 00 0V AC ( r .m. s.) t o an ap plianc e r a ted
200V or more, for a period of one second.)
This m eth od of t est re qu ir es t est e qu ip m ent n ot ge ne r ally f oun d
in t he ser vic e tr ade.
(2) Leakage Current Check
Plug t he A C line c ord direct ly int o th e AC ou tlet ( do not u se a
lin e is ol ati on tr a nsf ormer during t hi s che ck.) . U sing a "L eaka ge
Cur rent T est er ", m ea sur e t he l ea kag e cur ren t fr om each
exp ose d m eta l par t of th e ca bi ne t, p ar tic ul arly an y expo sed
metal part having a return p ath to t he chassis , to a known good
ea rt h gr o und ( wa ter p ipe, etc.). A ny l ea kag e cur ren t m ust not
exceed 0. 5mA AC (r .m. s.) .
Howeve r, i n t ro pical a r ea, thi s m ust no t e xc eed 0 .2mA AC
(r.m.s. ).
"
""
"Alte rnate Che ck M ethod
Plug t he A C line c ord direct ly int 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 avi ng 100 0 o hm s per vol t or m ore sen si ti vit y i n the
fol lo win g ma nne r. C on nec t a 1 50 0Ω1 0W r esi stor pa ra lle led
by a 0.15μF AC -typ e cap acitor b etwe en an exp ose d m eta l
p art an d a kno wn g o od ear th gr ou nd ( wate r pip e, et c.).
M easu r e th e A C vo ltag e acr oss th e r esi st or wit h t he AC
voltmeter. Move the resist or connection to each exposed metal
part, particularly any exposed metalpart having a returnpath to
th e ch assis , an d m ea sur e t he A C volta ge across th e resi sto r.
Now, r eve rs e th e plu g in t he A C out l et a nd r ep e at e ach
m easu r em en t. An y volta ge me asu re d m ust not exce ed 0.7 5V
AC (r.m. s.) . This corresp on ds t o 0 .5mA A C (r.m. s.).
Howeve r, i n tr op ic al ar ea, thi s must n ot excee d 0 .3V AC
(r.m.s. ). This corresp on ds t o 0 .2mA A C (r.m .s.).
0.15μF AC-T YPE
1500Ω10W
GOOD
EARTH
GR OUND
PLACE THIS PROBE
ON E A CH EX PO SE D
ME T AL PA R T
ACVOLTMETER
(HAVING 1000 Ω/V,
OR MOR E SENSITIVITY)
11 . High voltage hold down circuit check.
Af ter r ep air of th e hi gh vol t ag e h ol d d own cir cuit, th is ci rcu it
sh al l b e c hec ked to op er ate cor rectly.
See ite m "How to check the high voltage hold down
cir cuit".
A V
This mark shows a fast
operating fuse, the
letters indicated below
show the rating.
POWER CORD
REPLACEMENT WARNING.
Co nne cting t he w hi te l ine side of pow er
cord to “WHT” character side.

No. 52007
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V-56WP30
4
FEATURES
"New ch assis d esign en able us e of an int eractive on screen con trol.
"2- 3P ULL D OW N : Yo u c an enjo y DVD m ovi es at t he hig hest pictu re q uality.
"MO TION C OM PEN SA TION : W ith thi s f unct i on, th e se am le ss r ep roduc tion of dyn am ic mo ti on on th e scr e en has be en re ali zed .
"Bu llet - in DSD ( Dig ital S up per D et ail) ci rcui t a nd 3 dim en sion Y/ C se par at e circui t.
"Recei ve D TV br oad cast (10 80i / 72 0p / 4 80 p / 48 0i )
"Built-in HDCP / Component (Y / PB/ P
R)
"Built-in Hyper Sound, BBE circuit.
FUNCTIONS
■
■■
■FRONT CONTROL KEY & TERMINAL
■REAR TERMINAL
6
2
1
3
5
4
7
2
1
3
4
5
6
8
1ME NU But ton ( OPE RA TE ▼)
2CHA NNE RL - /+ Bu tton ( OP ER ATE / )
3VOL UME -/ + B utt on
4MAIN POWE R SW Button
5POWER LAMP (Blue)
6INPUT4
( AUDIO / VIDEO / S -VIDE O )
1DIGITA L IN
( DVI- D Si gn al L in k 1 9pi n )
2INPUT 1
( AUDIO / VIDEO / S- V IDEO )
3INPUT 2
( AUDIO / VIDEO )
4INPUT 3
( AUDIO / VIDEO / S- V IDEO )
5INPUT 2
( COMP ONEN T VIDEO )
6INPUT 3
( COMP ONEN T VIDEO )
7SP EAKE R INPUT
8AUDIO O UT
9AV CO MP UL I N K Ⅲ
A AUDIO INP UT (For DIG ITAL IN)
6
9
10

No. 52007
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V-56WP3
0
5
■
■■
■REMOTE CONTROL UNIT [RM-C322G]
1POW E R Key
2AS PECT K ey
3VCR / DVD Switch
4TV / CATV Switch
5NATURAL CINEMA Key
6INPUT K ey
7DISPL A Y Ke y
8SL EEP TIME R Ke y
9BB E Ke y
AV.S TATUS K ey
BHYPER SURROUND Key
CMUTING Key (memory Key)
DFunction Keys (▲/ ▼/ / )
EME NU Key
FMUL TI SC REEN op er at io n Ke ys
GNumber Keys
H10 0+ K ey
IRETURN+ Key
JLIG HT Key
KV-CHI P Ke y
LEX IT Ke y
MVCR / DVD operation Keys
4
5
6
7
17
9
10
12
13
14
3 2
1
15
16
18
8
19
11
20
21
22

No. 52007
A
V-56WP30
6
■
■■
■DIGITAL-IN TERMINAL FUNCTIONS
PIN ASSIGNMENT
9
10
11
12
13
1
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
14
15
16
PIN
No . PIN NAME PIN
No . PIN NAME
1 RX2- 13 RX3+
2RX2+14 5V
3 GND2/ 4 15 GND
4RX4- 16 HTPLG
5 RX4+ 17 RX0-
6 SCL 18 RX0+
7 SDA 19 GND0/5
8NC20RX5-
9 RX1- 21 RX5+
10 RX1+ 22 GNDC
11 GND1/3 23 TXC+
12 RX3- 24 TXC-

No. 52007
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V-56WP3
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7
INSTALLATION
1. INSTALLATION SITE
1. The re ar of thi s se t i s pr ovid ed with ven tilation op eni n gs. I nst al l t he set
more t han 5 cm from a wa ll and in a loc ation wit h g oo d ve ntila tion.
2. Avo id th e f ol low ing type s of l ocat i ons.
( 1) Unst abl e lo cat io ns ( loca ti on mu st b e able to with sta nd he avy weig ht).
(2) Locations subjected to direct sunlight.
( 3) Near st oves or ot he r hea ti ng de vi ces.
( 4) L ocatio ns su bject ed to hu midi ty or oi ly sm oke .
(5) Dusty locations.
( 6) L ocatio ns w ith s tr ong vi brat i on.
2. INSTALLATION ADJUSTMENT
W hen ins tal li ng, mo vi n g o r ch an ging th e or ien tat ion of th e set , p er for m
sta tic con ver ge nce ad ju stm en t acc ording to th e f ollo win g p r oce dur e.
1. Pr ess the ME NU key of th e re mo te c ont ro l un it .
2. Sele ct the "CONV ERGENCE" in the INI TIAL SETUP menu with Function
▲/▼key.
3. Pr ess th e Fun cti on / key, th e co nve rg en ce ad ju stm en t screen ap pe ar s
wi t h cross es ( +) d is playe d i n 9 l oc ati on s.
Locations where the crosses appear in 3 colours:
Con ve rge nce adjus tm ent is r eq uire d. Per f orm st eps 4 t o 5 .
Locat ions where the c ross es are white:
The con ver ge nce is ad ju ste d co rrect l y.
"lf a ll th e c ro sses a r e w hit e, n o c onve rg en ce a dj ust me nt is ne ed ed.
4. The locations of the crosses c orrespond to the positions of the number keys on
th e r emot e c ontr o l. A b ox a pp ear s aroun d the sel ec ted cross.
5. Press t he SE LECT b utt on to ch ang e t he color of the b ox to th e c olor of t he
cross you want to adjust (red or blue).
"Yo u c ann ot adj u st th e g r een cr oss.
6. Use the / and / butto ns t o adjust the position of the cross.
"To c anc el t he ad ju stmen ts bef or e com ple ting th e pr oce du re , p r ess t he E XIT
bu tto n.
7. Pr ess the ENTER b utt on t o end th e c onve rg en ce adjus tme nt pr oce du r e.
"lf you do no t use th e TV co ntr ols f or ro ug hly on e minu te, the con verge nce
ad justm en t scr ee n aut om atical ly d is app ea rs.
Fi g.1
Fi g.2
Wall
(more than 5cm)
VENTILATION OPENING

No. 52007
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V-56WP30
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TECHNICAL INFORMATION
■MAIN M ICRO C OMPUT ER ( CPU) FUN CTION
( M IN1 02 H5 7K )
PIN
№
№№
№PIN NAME I/O
I/OI/O
I/O FUNCTION
1 CONV. SW O
OO
OCONVERGE NCE SW
2 /VS YNC I
II
IV.SYNC IN f or OSD
3 LB PRO I
II
ILOW B Prot ection
4 NC －NC
5 /RST I
II
IMico n Res et in pu t
6 CONV. BUSY O
OO
OCONV.
7 /TES T I
II
I+3.3V
8 YS O
OO
OOSD YS OUT
9 NC O
OO
OMicon test pin
10 NC O
OO
ONC
11 A_ MUTE O
OO
OTV S ou nd Mu ti ng
12 /HSYNC I
II
IH.sync input for OSD
13 M_ MUT E O
OO
OMonitor Out Muting
14 OSDX I －
15 OSDXO －
16 SDA2 O
OO
OI2C BUS ( SDA ) f or MTS
17 AC_IN I
II
IAC 50/60Hz in
18 SCL2 O
OO
OI2C BUS (SCL ) f or MTS
19 TU_POW O
OO
OTuner Power Control
20 VCOI I
II
ILP F in pu t
21 PDO O
OO
OLP F ou tpu t
22 /IP_RESET O
OO
O
23 YM O
OO
OOSD YM out
24 B O
OO
OOSD B lue ou t
25 LE D_ POW E R O
OO
OLE D f or P ower
26 G O
OO
OOSD G r een Out
27 R O
OO
OOSD Red Out
28 VREF I
II
I
29 IP_ ER R I
II
IAMDP program load det.
30 IREF I
II
I
31 COMP I
II
I
32 AV DD I
II
I+3.3V
33 CLL I
II
IFor Sub CCD
34 VREFLS I
II
ISTD VOL in forSub CCD
35 SUB_ CCD I
II
IFor Sub CCD
36 NC －NC
37 VS S I
II
IGND
38 MA IN_CCD I
II
IFor main CCD
39 VREFHS I
II
ISTD VOL in for CCD
40 CLH I
II
IFor main CCD
41 VDD O
OO
O+3.3V
42 LE D_ DATA O
OO
OFront control Data
PIN
№
№№
№PIN NAME I/O
I/OI/O
I/O FUNCTION
43 LE D_ CLOC K O
OO
OF. LED CLK
44 LED_ON_TIMER O
OO
OLE D on timer
45 SB O0 －
46 SB D0 －
47 AP DA TA －
48 INC －
49 ECO RST O
OO
OEco Reset
50 ROT COIL L O
OO
OPicture rotation
51 ROT COIL R O
OO
OPicture rotation
52 H BL K O
OO
OH.BLK
53 SN COIL_R O
OO
OTerrestrial Ma
g
net ism S en sor
54 SN COIL_L O
OO
O↑
55 BS POW O
OO
OBS power control
56 I2C STOP O
OO
OI2C BUS S TOP
57 NC －
58 /LO B_P OW O
OO
OLO B p ow er co ntr ol
59 COMPULINK I
II
IAV Compulin kⅢInput
60 /POWE RG OOD I
II
IPo w er Cond ition Ch eck
61 /ME CA_O N I
II
IM achi n e SW Int errup t
62 /MA IN_PO W O
OO
OMA IN POW E R CO NT R OL
63 NC －NC
64 /B1 POW O
OO
OB1 POW E R CO NT R OL
65 C / N －
66 X-RAY I
II
IX-ray detection
67 EE CDS －
68 KE Y2 I
II
IFront Key i npu t 2
69 KE Y1 I
II
IFront Key i npu t 1
70 SCL1 O
OO
OI2C BUS (CL K) f or E2
PROM
71 SDA1 I/O
I/OI/O
I/O I2C BUS (SDA) f or E2
PROM
72 REMO I
II
IRemocon IN
73 AP REQ －
74 VS S I
II
IGND
75 OSC2 O
OO
O4MHz OS C
76 OSC1 I
II
I4MHz OS C
77 VDD I
II
I+3.3V
78 SCL0 O
OO
OI2C BUS ( CLK ) f or G ene ra l
79 AP CLK －
80 SDA0 I/O
I/OI/O
I/O I2C BUS ( SDA ) f or Ge ner al
81 NC －
82 NC －
83 NC －NC
84 P MUTE O
OO
OPicture muting

No. 52007
A
V-56WP3
0
9
MAIN PARTS LOCATION
■
PWB ASS’Y ARRANGEMENT
The PWB A SS’Y is indicat ed below.
"MA IN PW B ASS’Y (SS B-10 53 A-M 2) "CONVERGE NCE PW B A SS’ Y ( SS B-50 53A -M2)
"POW E R & DEF PW B ASS’ Y ( SS B-20 53A-M 2) "CONVERGE NCE O SD PW B AS S’Y ( SS B0T0 53 A-M2 )
"R CRT SOCKET PWB A SS’Y ( SS B-31 53A -M2) "CENTER SP EAK ER PW B ASS’Y (SS B0A 053A-M2)
"G C RT SO CK ET PW B ASS’Y (SS B-3253A -M2)
"B CRT SO CK ET PW B ASS’Y (SS B-33 53 A-M 2)
"DIGITA L CONVERG ENCE MODULE PWB ASS’Y
(Included in CONVERGENCE PWB)
"R VM PW B ASS’ Y ( SS B-71 53A-M 2) "LINE FILTE R PW B A SS’Y (SS B-90 53A -M 2)
"G V M PW B AS S’Y ( SS B-72 53A -M2) "DEF OSC PW B A SS’ Y ( SS B0H0 53A - M2 )
"B V M PW B AS S’Y ( SS B-73 53A-M2) "I-P CONVERT MODULE PWB ASS’Y (SSB0D053A-M2)
"FRONT CO NTR OL PW B ASS’Y (SS B0L 05 3A-M2) "FRONT I/F PWB ASS’Y (SSB0L253A-M2)
"REMO CO N SENSO R PW B A SS’ Y ( SS B-80 53A -M2) "AV JACK P W B AS S’Y ( SS B0J0 53 A-M2)
"DIGITA L INP UT MODULE PWB ASS’Y (SS B-78 53 A-M2) "RECEIVE R PW B ASS’Y ( SS B0R2 53A-M2 )
DIGITA L
CONVERGENCE
MO UL E PW B
FRONT CONTROL
PWB
CONVERGENCE
PWB
I- P COVE RT MO DUL E
PWB
LIN E FILTE R
PWB
DIGITA L INP UT
MO DU L E PW B
MAIN PWB
DEF OSC
PWB
POW E R & DEF
PWB
VM
PWB (R/G/ B)
CRT SOCKET
PWB (R/G/ B)
RECEIVER PWB
CENTER SP EAK ER
PWB
REMO CO N SENSO R
PWB
(This figure is only MAIN UNIT)
FRONT CONTROL ASS’Y
CONVERGE NCE O SD
PWB
AV JACK PWB
PROJ ECTION UNI T
AV TERMANEL BOARD
FRONT I/F
PWB

No. 52007
A
V-56WP30
10
SPECIFIC SERVICE INSTRUCTIONS
SCREEN HANDLING CAUTIONS
■
■■
■SCREEN STORAGE
St or e th e SC RE EN AS S’Y in a st an ding pos it ion in or d er to avo i d d efor mat i on. I f th e scr e en is st or ed h or izo nt al ly, th er e is r isk of def or m ing the
screen face.
W hen n ecessa r y t o pl a ce th e S CRE EN ASS ’Y h or izont al ly, po sit ion the s cr een sid e u pw ards an d su re to p l ace s pac ers be tw een th e scr een an d
r esti ng si te (f loor or st an d e tc.) to prev ent th e scree n f r om sag ging .
■SCREEN SURFACE
Si nc e th e scr e en s urfac e i s ea sily scr atch ed or soiled , u se a m ple c are whe n han dl ing .
PROJECTION UNIT REPLACEMENT
■ADJUSTMENT DU RING REPLACEMENT
W hen r ep la ci ng the thr e e R , G an d B pr o jecti on u ni ts, f ir st r ep lace th e R a nd B u ni ts and p er for m foc us / s cre en / r ast er cen tering adjustments
wi t h r ef er en ce to th e G un it . T he n r e plac e t he G un it a nd per fo rm G f ocus / scr ee n / c onve rg en ce ad j ustm en t. Fin ally per f or m R & B .
Con ve rge nce adjus tm ents . Use care to simultaneously removes all three-projection units.
■DISASSEMBLY CAUTION
The pr ojec tion un its incl ud e l o catio ns th at are not to be disass em bled du r in g s er vice . W he n r ep lacing pr ojec tion un it pa rt s, d is assemble to the
sta te i n dicat ed in th e f ig ure bel o w.
The figu re ind ic ates screws an d wires t hat are not to be remove d. Use care no t t o r emove th ese.
%DISASSEMBLY PROCEDURE
If the scr een or sc re en pan el n ee d t o
b e r ep la ced, r em ove th e A scr ews
L eave th e scr ee n with fr es n el len s an d
d oub le l en tic ul ar l en s att ach ed. If can no t be
disass em bled fu rt her .
FRONT CABINET
SCREEN B R ACKET (TOP)
A(X3)
SCREEN B R ACKET (RIGHT)A(X4)
A(X3)
A(X4)
SCREEN B R ACKET
(BOTTOM)
SCREEN B R ACKET
(LEFT)
SCREEN
LE NS AS S’Y
CRT AS S’ Y ( COUPLE R AS S’Y)
Do not disassembly
DEF. / CO NV ER. YOKE
PC MAGNET
TAPE
VM PWB PWB (R/G/B )
Do not remove screws
PC MAGNET
Check that t ape is applied to th e CRT neck.
If abs ent, th e d efl ec ti on yoke can di slo dge .
●
ANODE wires : to DI VIDER
LE NS AS S’Y S CREW (X 4)
R CRT SOCKET PWB A SS’Y
G C RT SO CK ET PW B ASS ’Y
B CRT SO CK ET PW B ASS ’Y
&Deflec tion yoke wires : to connec tor on POWER & DEF. PWB A SS’Y.
[R=”RHV”, G=”GHV”, B=”BHV”]
&Convergence yoke wires : to connector on CONVERGENCE PW B ASS’Y
[R=”R”, G=”G”, B=”B”]

No. 52007
A
V-56WP3
0
11
CAUTION AT DISASSEMBLY
DISASSEMBLY PROCEDURE
!SPEAKER GRILLE
1. Remove 4 sc rews Af ro m re ar si de .
2. Op en th e do or of t he FRONT CONTROL BOX and re move 2
screws A’ from front side.
3. Remove th e SP EAK ER GRIL LE.
!SPEAKER (WOOFER)
"Remove th e SP EAK ER GRIL LE
1. Remove 4 sc rews B.
2. Take ou t th e W O OFER.
3. Disc onn ect t he sp eake r wir e f r om spe aker t er min al .
!SPEAKER (TWEETER)
"Remove th e SP EAK ER GRIL LE
1. Remove 2 sc rews C.
2. Take ou t th e TW E ET ER.
4. Disc onn ect t he sp eake r wir e f r om spe aker t er min al .
!FRONT BOARD
"Remove th e SP EAK ER GRIL LE.
1. Remove 4 sc rews D.
2. Rem ove th e FRONT BOA RD.
!FRONT CONT ROL BOX
"Remove th e SP EAK ER GRIL LE.
1. Remove 4 sc rews Eat tach ing the FRONT CONTRO L BO X.
2. Disc onn ect th e con ne ctor BH , X,R,BG on th e FRONT
CONTROL PWB.
3. Remove the FRONT CONTROL BOX.
!FRONT C ONTROL PWB
"Remove th e SP EAK ER GRIL LE.
"Remove the FRONT CONTROL BOX.
1. Remove 3 sc rews Ff rom re ar side of FRONT CONTROL BOX .
2. Remove the FRONT CONTROL PW B.
FRONT CONTROL PWB
BH X R BG
FRONT CONTROL BOX
REAR SIDE
SP EAKE R GRILL
C
DA
E
FRONT CONTROL BOX
FRONT BOARD
SP EAKE R WIRE
A
B
SP EAKE R
(WOOFER)
SP EAKE R
(TWEETER)
SB
con nec tor
POW E R CO RD
"Pr ior t o d i sassembly, u nplu g t he p ow er co de fr o m t he AC out l et
wit hou t f ail. (Turn t he po we r “off ” .)
"Short t he SB connector (1) pin and (2) pin of t he DIGITA L
INPUT MODULE. (A t the time of assembling)
"Be for e th e r ea r p ane l is ins ert ed int o t he cab inet , rel e ase th e
sh ort- ci rcuit b et we en th e S B c onn ect or (1 ) p in an d (2 ) pi n of th e
DIGITA L INP UT MODULE.
"After releasing the short-circuit between the SB connectors, do
not turn the power on until the rear panel is inserted into the
cab i net .
*Neg li g ence i n ca rr yi ng out th e a bov e ste ps m ay ca use th e
inact ivati on of th e TV .
AV JAC K B OARD
56 W P30 CP -S
: DIGI TAL INPUT MODUL E
F
A’

No. 52007
A
V-56WP30
12
!SCREEN ASS’Y
"Remove th e SP EAK ER GRIL LE.
"Remove the FRONT CONTROL BOX.
1. Remove 4 sc rews Gu nd er th e S CREE N ASS ’Y f ro m f r ont si de.
2. Remove 10 screws Hf ro m r e ar side .
3. Remove the SCREEN ASS’Y.
NOTE :
"Pl ac e th e scr e en wi th f ace up war ds on a flat sta nd.
"Be caus e of th e lar ge size, at l ea st two pa rs ons are
r eco mm en de d f or r emova l and r eas sem ble.
"Use c ore n ot t o scratc h t he scre en du ring work.
"During ass embly, be su re t o en ga ge th e left a nd righ t t abs
wi t h th e c abin et mo unt ing pos it ions.
"W hen tha n sp or ting th e SC REEN AS S’Y, avoid gr aspin g t he
top of th e scr e en pan el , in ste ad gr asp th e l eft an d r ig ht a r eas.
!MIRROR
"Remove th e SP EAK ER GRIL LE.
"Remove the FRONT CONTROL BOX.
"Remove the SCREEN ASS’Y.
1. Remove 2 sc rews Iat tach ing th e m ir ror st opp er .
2. Raise sl igh tly t o d is eng ag e of th e m irr or f ro m the h ooks.
3. Rem ove th e M IR RO R.
NOTE :
"The MIRROR is front -c oat ed . Do not t ouch t he f ront of t he
MI RROR .
"At lea st 2 per son s ar e r eco mm e nde d f or r emovab l e an d
r eass emb le.
!REAR PANEL
1. L oose n 7 scr ews J.
2. Remove 4 sc rews K.
3. Raise slightly REAR PANEL upward.
4. Remove th e REA R PANEL .
NOTE :
"Be for e th e r ear pa ne l i s i nser te d i nt o th e c abin et, r ele ase th e
sh ort- ci rcuit b etwee n t he S B co nn ector ( 1) pin an d ( 2) pi n of
th e d igital inp ut unit . ( Ref er to “CAUTION AT DISA SSE MB LY”
on P age 11 ).
"Af ter r ele asi ng th e sho rt -ci rcuit be tween the SB c onn ecto rs,
do not turn the power on until the rear panel is inserted into
th e ca bi ne t.
!REAR COVER
"Remove th e SP EAK ER GRIL LE.
"Remove the FRONT CONTROL BOX.
"Remove the SCREEN ASS’Y.
1. Remove 2 sc rews L.
2. Remove 2 sc rews Mfrom front side
3. Sl ight ly pu ll f or ba cks id e t o d is eng ag e of th e REA R C OV ER fr om
hooks.
4. Rem ove th e R EA R CO VER.
M
M
MIRROR
I
HOOKS
BRACKET
MIRROR STOPPER
PARTITION
L
J
J
L
REAR PANEL
REAR COVER
K
J
SCREEN ASS’Y
H
Ｇ
ＧＧ
Ｇ
Ｇ
ＧＧ
Ｇ
!
!!
!Prior to starting the work, be sure to read the following
written instructions on the CAUTION LABEL attached to
the REAR PANEL.
UNPLUG THE POWER CORD FROM AC OUTLET BEFORE
OPEN THE REAR COVER (PANEL).
W hen th e r ear co ver ( p an el) is r emove d, f ol low “CAU TION AT
DISAS SE MB LY” p r oced ur e in th e s er vi ce man ua l bef or e
plu ggin g t he T V’s p ow er c ord int o a n AC out le t.
Failure to follow the procedure will result in PERMANENT
da
m
age
to
so
m
e
o
f
t
h
e
te
l
e
vi
s
i
o
n f
eatu
r
es
.

No. 52007
A
V-56WP3
0
13
!PARTITION
"Remove th e REA R PANEL .
1. Pull out the PART ITION back ward.
!MAIN UNIT
"Remove th e SP EAK ER GRIL LE.
"Rem ove th e co nne ctor BH , X , R , BG on th e
FRONT CONTROL PWB.
"Remove th e REA R PANEL .
1. Remove 4 sc rews O!from f ront s ide.
2. Pull out the MAIN UNIT rear s ide.
NOTE :
"Exce pt fo r con fi rma tion of pr oject i on of i mag es on t he scr een
an d aud i o ou tpu t th r oug h t he s pe aker s, t he re mo ved ma in un it
is still workable in the same state as if it is still built in the TV
set . The r efor e , th e m ain uni t ca n b e r emoved , i f nec essar y, f or
b oar d d ia gn osi s, e l ectr ic test in g, e tc. ap ar t fr om co nfirm ati on
of scr een im age s an d aud io o ut put .
"When wire clam ps are re moved d uring work, u se car e to
r estor e th em p r ecisel y t o th eir or igi n al p osi tion s. P er f orman ce
can be af f ected if th ese ar e no t r etu r ned to th e or ig in al
p osit ions.
"Be caus e of th e lar ge size, at l ea st two pe rs ons are
r eco mm en de d f or r emoval a nd r eas sem ble.
"W hen c ar r yin g t he ma in un it , us e ca r e n ot to dr op , sh ock or
sh ake it.
"Do n ot st ai n or d am ag e th e le ns of t he pr oject i on uni t.
"Do n ot l ook t hr ou gh th e pr o jecti on u ni t.
#CHECKING THE P.W. BOARD
When ch ecking the MAIN PWB , P OWER & DEF PWB, et c., raise
the MAIN UNIT with the HV DIVIDER side down for the sake of
con ven ienc e. Y ou c an ch ecki ng th e M AIN P W B.
!LINE FILTER PWB
"Remove th e REA R PANEL .
"Remove the AV JACK BOARD.
1. Disc onn ect t he con ne ctor B , F on the L INE FIL TER PWB.
2. Remove 3 screws Patt achin g t he L INE FILTE R BRA CK ET and
ea rt h w ir e.
3. Remove 2 sc rews Qa ttaching LI NE FILTE R PW B.
4. Rem ove th e L INE FILT ER PW B.
!MAIN CHASSIS
"Remove th e REA R PANEL .
"Remove the AV JACK BOARD.
"Remove th e L INE FILT ER BRACKE T.
1. Remove 2 sc rews Rboth side of the MAIN CHASSIS.
2. Remove 1 sc rews R’ att ach in g t he ea rt h w ir e.
3. Pull out the MAIN CHASSIS f or b ack side.
NOTE :
"If nec essar y, remo ve th e an od e w ires, co nn ecto rs,
respectively.
MAIN UNIT
O
MAIN CHASSIS
R
R
R’
EARTH WIRE
LINE FILT ER BRACKET
P
LINE FILTER BRACKET
LINE FILT ER PWB
B
F
EARTH WIRE
EARTH WIRE
P
Q

No. 52007
A
V-56WP30
14
!PROJECTION UNIT
"Remove th e SP EAK ER GRIL LE
"Remove the FRONT CONTROL BOX
"Remove th e REA R PANEL
"Remove the MAIN UNIT.
1. Remove the CRT SOCKET PWB.
2. Remove 4 sc rews Sat tach ing th e PROJE CT ION UNI T.
3. Pull out the PROJE CTI ON UNIT, upward.
NOTE :
"Refer to “PROJE CTI ON UNIT REPLACEMENT” on page 10
whe n ta ki ng out a nd re placin g t he PROJEC TION U NIT.
"When wire clam ps are re moved d uring work, u se car e to
r estor e th em p r ecisel y t o th eir or igi n al p osi tion s. P er f orman ce
can be af f ected if th ese ar e no t r etu r ned to th e or ig in al
p osit ions.
!HV DIVIDER
"Remove th e REA R PANEL
1. Remove 1 sc rews T!
!!
!attaching the HV DIVIDER.
2. Remove the HV DIVIDER.
*W ires of th e t ra nsf or m er (FBT ) a nd C RT of ea ch P RO JECTION
UNIT can beremoved by turning the connector portions.
NOTE :
"If n eces sar y, r emove the an od e wir es, a nd r e placi ng th e H V
DIVIDER, take care to correctly engage the U!
!!
!conn ect or .
!AV JACK BOARD
"Remove th e REA R PANEL
1. Remove 7 sc rews V.
2. Pull out the POWER CORD CLAMP from AV JACK BOARD left
side.
3. Rem ove nu t W!
!!
!att achin g th e an te nna t er min al .
4. Remove the AV JACK BOARD.
!DIGITAL INPUT MODULE
"Remove th e REA R PANEL
1. Remove 2 sc rews Xfr om rea r side of t he AV JACK BO ARD.
2. Remove th e DIGITA L I NP UT MO DUL E.
NOTE :
"When removing the DIGITAL INPUT MODULE, refer to the
"CAUTION AT DISAS SE MB LY" sect ion on pa ge 1 1.
S
HV DIVIDER
PROJ ECTION UNI T
T
TurnPull
U
X
AV JACK BOARD
V
V
POWER CORD CLAMP
DI GITAL INPUT
MODULE
W
ANTENNA TERMINAL

No. 52007
A
V-56WP3
0
15
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 esist p ar ts of th e p att er n.
3. W hen r emovi ng a c hip par t, melt th e s ol der 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 iron with a t hin po inted e nd of it .
2. A 3 0 w s ol dering i ron is r ec om m end ed for easily r em oving p ar ts.
!REPLACEMENT STEPS
1. How to remove Chip parts
#
##
#Resi st ors, ca pa cit ors , et c
( 1) As sh own i n t he f ig ur e, pu sh th e pa rt w ith twee zer s and
alte rn at el y m elt th e sol de r at each en d.
( 2) Sh if t with tweeze rs an d r emo ve th e ch i p p ar t.
#
##
#Tran s ist ors, d iodes , va ria bl e r es ist or s, et c
( 1) Ap ply e xt ra so ld er to ea ch l e ad .
( 2) As sh own i n t he f ig ur e, pu sh th e pa rt w ith 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 emove t he
chip part.
Note : Afte r removing t he part , remove remaining solder from the
pattern.
2. How to install Chip parts
#
##
#Resi st ors, ca pa cit ors , et c
(1) Apply solder to th e pattern a s indic ated in the fig ure.
( 2) Gr asp t he ch i p p art with tw ee zer s and plac e it 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 chi p par t.
#
##
#Tran s ist ors, d iodes , va ria bl e r es ist or s, et c
(1) Apply solder to th e pattern a s indic ated in the fig ure.
( 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 lder.
(3) First solder lead Aas indicated in t he figure .
( 4) The n so ld er le ads Band C.
SOLD E R SOLD E R
A
B
C
A
B
C

No. 52007
A
V-56WP30
16
SERVICE MENU SELECT KEY
MEMORY IC REPLACEMENT
1. Memory IC
This model use a memory IC.
This me mo ry I C st or es d ata for pr op er op er ati o n of the vid eo
an d d ef lecti on ci rcu it s.
When replacing, be sure to use an IC containing this (initial
value) data.
2. Memory IC replacement procedure
(1) Power off
Sw itch of f t he p ow er an d discon nec t th e po we r co rd fr om
the wall outlet.
(2) Replace the memory IC
Init ial value must be entered int o the new IC.
(3) Power on
Con nect th e po wer cor d t o t he wa ll o ut le t an d s witch on t he
power.
(4) SERVICE MENU setting
1) Press SLEEP TIMER key an d, while the in dicat io n of
SLEE P TIM ER 0 MIN is being displayed, press
DI SPLAY key and VI DE O STA TUS key on the remote
control unit (Fig.2) simultaneous ly.
2) The SERV ICE M ENU scr ee n of Fi g.1 is d isp l ayed .
3) Ve rif y wh at to set i n th e SER V IC E M ENU , and set
what ever is n ec essar y ( Fig .1) .
Refer to t he SERVI CE ADJUSTMENT f or s ett in g.
4) Press the EX IT key t wice to return normal s creen.
(5) Rec eive c hannel setting
Refer to the OP ERATING I NSTRUCTIO NS (US ER’S
GU ID E) a nd s et th e r ece ive ch an nels ( Chan n els P r eset ) as
described.
( 6) U ser se ttings
Check th e us er sett in g it em s acc or ding to aft er pa ge .
W here th ese d o no t a gr ee, r efer to t he OPE RA TIN G
INSTRUCT IONS (USER’S GUIDE) and set the items as
described.
Fig.1
1
.
PICTURE/SOUND
7.
I2C
BU S
2.YCSEP 8.PP
3.LOW LIGH T 9.IP
4.HIGH LIG HT 0.SE LF- CHK
5.
RF
AFC
6
.
SERVICE MENU
SE RV ICE MENU
Fig.2
VALUE
SELECT(－)
VALUE
SELECT(＋)
MENU
NUMBER
ITEM
SELECT(▲)
ITEM
SELECT(▼)
EXIT
MEMORY
(MUTING )
FUNCTION
DISPLAY
SLEEP
TIMER
VIDEO
STATUS
POWER

No. 52007
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V-56WP3
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17
SHIPPING FACTORY SETTING
VIDEO STATUS MEMORY (NTSC / 480p)
SETTING VALUE
Item T IN T C OL OR PI C TU RE BR IG HT DE T A IL
STA NDAR D 00 00 00 00 00
THATER 00 00 00 00 00
DYNAMIC 00 00 +10 00 +1
(HD)
SETTING VALUE
Item T IN T C OL OR PI C TU RE BR IG HT DE T A IL
STA NDAR D 00 00 00 00 00
THATER 00 00 00 00 00
DYNAMIC 00 00 +2 00 00
CHANNEL SETTING (CHANNEL SUMMARY)
BAND CH Display Setting BAND CH Display Setting
02 ○N27
03 O 28 ○
04 ○P29
05 ○Q30
VHFL
06 ○R31 ○
07 ○S32 ○
08 T 33
09 ○U34
10 V 35
11 ○
SUPE R
W36 ○
12 A-7 93
VHFH
13 ○A-6 394
14 ○A-5 95
36 ○A-4 96 ○
41 A-3 97 ○
46 A-2 98 ○
63 ○A-1 99
UHF
69 ○
SUBMID
A-8 01
A14 ○W+11 47 ○
B15 ○W+12 48 ○
C16 ○W+17 53 ○
D17 ○
E18 ○W+23 59 ○
F19
HYPE R
G20 W+29
H21 ○
MI D
I22 W+51
J23
K24 ○W+78
L25
SUPE R
M26
ULTRA
W+84

No. 52007
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V-56WP30
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SHIPPING FACTORY SETTING
(USER SETTING)
Setting item Setting value Setting item Setting value
TINT / COLOR / PICTURE
/BRIG HT / DETAI L
Refer to s etting of Video
sta tus m e mo ry at sh i ppin g
fac tory se tting
POW E R
CHANNEL
BB E
VOL UME
INPUT
OFF
CABLE-02
ON
10
TV COLOR TEMPERATURE
DIG. NOI SE CLEAR
HIGH
CENTER
DISPL A Y
NATURAL CINEMA
SL EEP TIME R
AS PECT
VIDEO STATUS
OFF
AUTO
0
REGULAR
DYNAMIC
H YPE R S U RR OU N D OF F
NOISE MUTI NG
BA SS / TR EBLE / B AL ANCE
MTS
ON
CENTER
STEREO
SE T CL OCK
ON / O FF TIME R
LA NG UA GE
CLOS ED CAPTIO N
FRONT PANEL LO CK
Unnecess ary to set
NO
ENG
OFF ( CC1 / T1 )
OFF
SP LIT SO URCE
POP SOURCE
LEFT SIDE : CH 02
RIGHT SI DE : CH 04
LEFT SIDE : CH 02
RIGHT UPPE R : CH 04
RIGHT CENTER : CH 05
RIGHT BOTTOM : CH 07
VE RTIC A L PO SITIO N
CENTER CH INPUT
XDS I D
CONVERGENCE
POW E R IN DIC AT O R
CENTER
OFF
ON
OPT IMUM CONDITION
HIGH
AUTO S HUT O FF
AUTO TUNER SET UP
DIGITA L-IN ( at 480p s ignal
input )
CHANNEL SUMMARY
V-CHI P
SET LOCK CODE
AUTO DEMO
OFF
Unnecess ary to set
SIZE 1
Refer to Last memory (CH.
summary)
OFF
Unnecess ary to set
OFF

No. 52007
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V-56WP3
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19
SERVICE ADJUSTMENTS
ADJUSTMENT PREPARATION
1. You c an ma ke the nec es sar y adju stme nts f or t his unit wi t h
eit her t he Remot e Co ntrol Unit or Wi th the a djustme nt
tools and parts as given below.
2. Ad justment with the Remote Control Unit is made on the
bas is of t he init ial se ttin g v al ues, howev er, the ne w s et ti ng
values which set the screen to its optimum condition may
differ from the initial settings.
3. M ake sur e t hat AC p ower is tu r ned o n c orrec tly.
4. T urn on t he powe r f or set an d test e qu i pment bef or e us e, an d
sta rt th e adj us tme nt p r oced ur es aft er w aiti n g at l east 3 0
min ute s.
5. U nless oth erw is e spec if ied, pr ep ar e th e m ost s ui tab l e r ece ptio n
or inp ut si gn al for adjust m ent.
6. Never touch any adjustment setting value which are not
spe cified in the li st for thi s a djustment.
7. Pr es etting b efor e ad j ustm en t
Unless oth er wis e spec if ied i n th e ad j ustm en t i nstr uct io ns,
pr es et t he f ol lowing fu ncti on s with the r emote co ntr ol u nit:
"SETTING POSITION
ADJUSTMENT EQUIPMENT
1. DC voltmeter (or digital voltmeter)
2. Oscilloscope
3. Sign al g en er at or (P att er n g en er at or)
[NTSC / 480i / 480p / 720p / 1080i / HDCP]
4. Remote control unit
5. T V a ud io m ulti ple x sign al ge ne r ator
6. F requ enc y cou nte r
ADJUSTMENT ITEMS
ADJUSTMENT FLOWCHART
WHEN REPLACING SCREEN AND PROJECTION UNIT
●Con tai ns on l y the mai n adju stm ent s. Also con fi rm o th er ad ju stmen ts as re qu ir e d.
Ad justment item s
1Check ( ×3)
2 HOR IZ ONTAL F REQUENC Y ad jus tment
3 FOCUS & BEAM SPOT adjustment
4 CONVERGENCE & DEFLECTION adjustment
5 VIDEO adjustment
6MTSadjustment
SE TTING ITEM SE TTING POSI TION SE TTING ITEM SE TTING POSI TION
VIDEO STATUS STA NDAR D AS PECT FULL
BA SS, TREB LE , BA LA NCE CENTER VE RTIC A L PO SITIO N C ENTER
HYPER SURROUND OFF BBE ON
TINT, COLOR, PICTURE,
BRIGHT, DE TAIL CENTER ON/OFF TIMER NO
COLORTEMPERATURE HIGH AUTO SHUTOFF OFF
DIGITA L NOIS E CLEAR CENTER

No. 52007
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V-56WP30
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ADJUSTMENT LOCATION (1/2)
MEMORY IC
IC703
IC701
MAIN PWB
FRONT
I-P CONVERT.
MODULE
PWB
CN 010
TUNER
POWER/DEF
PW B
DEF OSC PWB
RECEIVER
PWB
M
G CR T SOCKET PWB
TOP
CN 00Y
CO
NVER
G
EN
C
E PWB
CN 00P CN 00X
B G R
IC 805 IC 804
S
801
DIGITAL CONVERGENCE
MODULE PWB
FR
O
NT
CO
NTR
O
L PWB
LED
POWER POWER SW
CH - CH + VOL - VOL +MENU
BG R X BH
INPUT 3
G H
FR
O
NT I
/
F PWB
G
H
TUNER
(TU 101)
CPU
E
AV
JACK
PWB
CN 007
DC SY Q2 AJ
CN 006
S2
F
F
B
CN 001
CN 002
CN 003
B
J
S1
LINE FILTER
PWB
POWER
CORD
CONVERGENCE
OSD PW B
AF
FRONT
1
5
1Pi
n :
L
2Pin : R
3Pin : GND
4Pin : SO A
5Pin : NC
CN 010
BG BH
SERV IC E
SWITCH
CN 00M
P
AJ
DIGITAL INPUT PWB
DIGITAL
IN PUT
PWB
G VM PWB
R/G/B CR T SOCKET PWB
CONVERGENCE OSD PWB REMO CO N SENSO R PWB
S
2