NEC PG-2740 Service Manual Download Page 18 | Manualshive

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ADJUSTMENT

PROCEDURES

Adjusting

Items

1.

Power

Supply

Check

2.

Horizontal

Oscillation

Adjustment

2-1.

Horizontal

adjustment

I

(DEF

SUB

PWB

single

adjustment)

2-

2.

Horizontal

adjustment

II

(RGB

PWB

single

adjustment)

3.

Vertical

Oscillation

Adjustment

3-

1.

Vertical

adjustment

I

3-

2.

Vertical

adjustment

II

(RGB

PWB

single

adjustment)

4.

High

Voltage

Adjustment

4-

1.

Adjustment

of

High

Tension

(Adjustment

of

DEF

SUB

DEF/HV

PWB

unit)

4-

2.

Adjustment

of

high-tension

protector

(DEF

SUB

DEF/HV

PWB

unit)

5.

Video

Chroma

Circuit

Adjustment

5-

1.

PAL

Comb

Filter

Adjustment

5-2.

Sub

Bright

and

Sub-Contrast

Adjustments

5-3.

PAL

Matrix

Adjustment

5-4.

Auto

Phase

Control

Adjustment

6.

Horizontal

Width

Adjustment

7.

Vertical

Linearity

Adjustment

8.

Vertical

Height

Adjustment

9.

Side

Pin

Cushion

Adjustment

10.

Keystone

Adjustment

11.

Image

Tilt

Correction

12.

White

Balance

Procedure

13.

Audio

Circuit

Adjustment

14.

Raster

D/A

Control

Setting

15.

Video

D/A

Control

Setting

16.

Dynamic

Focus

Waveform

Adjutment

17.

Focus

Adjustment

18.

High-Voltage

Protector

Circuit

Operation

Verification

I

»

I

(

15

«
...
16
17
18
19
20
...
»

Summary of Contents for PG-2740

Page 1: ...Y CAUTION Before servicing this chassis it is important that the service technician read and follow the Safety Precautions and Product Safety Notice in this Service Manual For continued X radiation protection repiace picture tube with original type or NEC approved equivalent type WARNING SHOCK HAZARD Use an isolation transformer when servicing NEC Corporation TOKYO JAPAN ...

Page 2: ...igh Voltage Protector Adjustment 5 Video Chroma Circuit Adjustment 5 1 PAL Comb Filter Adjustment 5 2 Sub Bright and Sub Contrast Adjustments 5 3 PAL Matrix Adjustment 5 4 Auto Phase Control Adjustment 6 Horizontal Width Adjustment 7 Vertical Linearity Adjustment 8 Vertical Height Adjustment 9 Side Pin Cushion Adjustment 10 Kystone Adjustment 11 Image Tilt Correction 12 White Balance Procedure 13 ...

Page 3: ...2 2 PWC 3838 V CRT PWB PWC 3834 HCOMA PWB 1 3 PWC 3839 HCOM V PWB 2 3 PWC 3839 COM V PWB 3 3 PWC 3839 DEF HV PWB 1 2 PWC 3846 DEF HV PWB 2 2 PWC 3846 DEF SUB PWB 1 2 PWC 3856A DEF SUB PWB 2 2 PWC 3856A MAIN POWER SUPPLY PWB PWC 3815A SUB POWER SUPPLY PWB PWC 3851B C D H OUT PWB PWC 3856B SW LED PWB PWC 3838B 39 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ...

Page 4: ...be read carefully in order to avoid any problems 4 4 8 11 ATTENTfON a 8 RISQUE D ELECTROCUTION NE PAS OUVRIR 8 ATTENTION POUR EVITER LES RISQUES D ELECTROCUTION NE PAS ENLEVER LE COUVERCLE OU LE DOS AUCUN DES ELEMENTS INTERNES NE DOIT ETRE REPARE PAR L UTILISATEUR NE GONFIER LENTRETIEN QUA UN PERSONNEL QUALIFIE Le point d exclamation dans un triangle Equi lateral est destinE E attirer Tattention d...

Page 5: ...ead and apply the high voltage limits and if the chassis is so equipped the X radiation protection circuit specifications given on instrument labels and In the Product Safety X radiation Warning note on the service data chassis schematic High voltage is maintained within specified limits by close tolerance safety related components adjust ments In the high voltage circuit If high voltage exceeds s...

Page 6: ...picture tubes are equipped with a per manently attached deflection yoke because of poten tial hazard do not try to remove such permanently attached yokes from the picture tube il k 8 PRODUCT SAFETY NOTICE Many TV electrical and mechanical parts have special safety related charac teristics some of which are often not evident from visual inspection nor can the protection they give necessarily be obt...

Page 7: ...rde cheque fois que I entretien s occupe du B de la ddviation horizon tale ou de la haute tension II faudra aussi s assurer du bon fonctionnement des circuits de protections anti Rayons X cheque fois qu ils seront amends en entretien les circuits de protections anti Rayons X pourront aussi bien dtre appelds horizontal disable ou hold down Lire et appliquer les limi tations de haute tension et si l...

Page 8: ...nence au tube k images 7 Les composants parts pieces et ou fils qui ont ete trouves surchauffes devraient dtre remplacds avec les composants pieces et fils s y reliant avec d autre qui ont les memes specifications que les originales De plus rechercher la cause du surchauffement et ou des dommages et si necessaire prendre les mesures propres pour prevenir tout risque potentiel 8 Note sur la sOrete ...

Page 9: ...erscan Display Area t Horizontal 4 2 psec Vertical 0 55 msec Retrace Time AC 120 V 60 Hz Power Supply 3 5 A maximum Power Consumption 645 W X 530 H x 520 D mm 25 39 W X20 98 H 20 39 D Inches Dimensions Weight 54kg 119 1 lbs Environmental Considerations Operating Temperature 0 C to 40 C Humidity 0 to 90 Altitude 0 10X 00 feet Storage Temperature 10 C to 55 C Humidity 0 to 90 Altitude 0 45 000 feet ...

Page 10: ...omposite video signal Sync negative Y 1 OVp p 75 Ohm unbalanced Sync negative C 0 28Vp p 75 Ohm unbalanced Color burst level Left Mono 0 5 Vrms high impedance Pin Jack Right 0 5Vrms high Impedance Pin Jack Audio Input Terminols VIDEO 1 2 RGB Left 0 5 0 1 Vrms less than 22 K Ohm Pin Jack Right 0 5 0 1 Vrms less than 22 K Ohm Pin Jack Audio Output Terminals THROUGH OUT D SUB 9pln INAHROUGH OUT Exter...

Page 11: ... signals from components connected to the VIDEO 2 Input terminal BNC type or S VIDEO 2 IN Indicates the VIDEO 1 button is set to re ceive signals from components connected to the VIDEO 1 Input terminal BNC type or S VIDEO 1 IN VIDEO 2 Indicator I STANDBY Indicator VIDE011ndicator unit Indicates the RGB 2 button is set to re ceive signals from components connected to the RGB 2 input terminals R G B...

Page 12: ...IX VARI Select Switch 0 VIDEO 2 Use to select either FIX or VARI setting It should normally be set to the FIX position When adjusting the clamp pulse position by using CLAMP CTL set to the VARI position To be adjusted by service personnel only Turn to adjust the clamp pulse position To be adjusted by service personnel only Turn to adjust each gain for Red Green and Blue NOTE S VIDEO IN terminals w...

Page 13: ...H CS and V THROUGH 0UT BNC R RGB AUDIO IN Connect the audio right channel output of the RGB component Connect to a second monitor s RGB inputs to relay the RGB signal inputs at R G B M CS and V IN L RGB AUDIO IN MONO Connect the mono audio or stereo left chan nel output of the RGB component 75 O HIGH Innipedance Select Switch Set to 75 O during normal operation In mul tiple connections using R G B...

Page 14: ...t to a second monitor s S CONNEC TOR input to relay the video signal input at S VIDEO 1 IN VIDEO 2 VIDEO 2 IN BNC 75 O HIGH Impedance Select Switch Connect external component video output here Connect external component with S CON NECTOR output here Connect to a second monitor s video input to relay the video signal input at VIDEO 2 IN Set to 75 O during normal operation In mul tiple connections u...

Page 15: ...ors together and allows all of the monitors to be controlled by one remote control 0 EXTERNAL CONTROL THROUGH OUT Connect to a second monitor s EXTERNAL CONTROL input to relay the signal input at the EXTERNAL CONTROL IN 0 The EXTERNAL CONTROL THROUGH OUT terminal is used to connect several monitors together up to 50 and allows all of the monitors to be controlled by one external control No 7 pin E...

Page 16: ...er to shorter Adjusts the curvature of the edges of the left and right side of the display image either in ward or outward The image should be ad justed to attain a straight line on the left and right sides RoanroH VDEO A A A e HEIGHT Q O CCKnOSTBRlCKT COLOR TNT BttIUREB SIDE PIN CED 0 NORMAL USER PRESET MUTE VOLUME DATA MONTTOR RO 3S5E nunoi NEC POSITION A Adjusts the vertical position of the Ima...

Page 17: ...key characters may be Invisible in a bright lit room Make sure that the backlight switch is OFF when the remote control unit is not used If no button operation Is made within 30 seconds when the backlight switch is ON in the wireless condition the backlight go off automatically To turn the backlight on again set the switch to the OFF position then set it to the ON position i 0 USER PRESET Press to...

Page 18: ...tment of high tension protector DEF SUB DEF HV PWB unit 5 Video Chroma Circuit Adjustment 5 1 PAL Comb Filter Adjustment 5 2 Sub Bright and Sub Contrast Adjustments 5 3 PAL Matrix Adjustment 5 4 Auto Phase Control Adjustment 6 Horizontal Width Adjustment 7 Vertical Linearity Adjustment 8 Vertical Height Adjustment 9 Side Pin Cushion Adjustment 10 Keystone Adjustment 11 Image Tilt Correction 12 Whi...

Page 19: ... signal to CHI of your oscilloscope 2 Connect CH2 s probe to TP8701 and TP GND1 3 Adjust VR8701 H SYNC FREE RUN ADJ so that CHI and CH2 are in sync with each other Note This is a free run adjustment so do NOT input video signal to monitor for this adjustment 3 Vertical Oscillation Adjustment 3 1 DEF SUB PWB Vertical Oscillation Adjustment 1 Input VGA3 480 line to either RGB1 or RGB2 input 2 Short ...

Page 20: ...ith DHHS requirements 5 Video Chroma Circuit Adjustment 5 1 PAL Comb Filter Adjustment 1 Input the PAL color bar signal 2 Set the Video Select SW to PAL 3 Connect the oscilloscope to TP7003 on the Video PWB 4 Adjust VR7101 and T7101 and set the chroma signal component to the MIN position Note VR7101 T7101 and TP7003 on the Video PWB PWC 3838A 5 2 Sub Bright and Sub Contrast Adjustments 1 Input the...

Page 21: ...that amplitudes of No 1 and No 2 are as shown below I B B 12 3 4 12 3 4 i 5 Adjust T7401 Delay Matching Adj so that amplitudes of No 1 and No 2 are as shown below B B i 12 3 4 12 3 4 5 4 Auto Phase Control Adjustment 6 Adjust VR7401 APC so No 3 and No 4 are linear as shown below B B 12 3 4 12 3 4 7 Lower the brightness and check that there are no bars Repeat steps 4 to 6 when and as needed Set adj...

Page 22: ... or V Height to MAX position 3 Adjust the VR4002 of the DEF SUB PWB so that the vertical amplitude becomes 100 scan 9 Side Pin Cushion Adjustment 1 Input the VGA 480 line mode 2 Press the NORMAL button of the remote control raster control system 3 Set the Scan Select SW in the UNDERSCAN mode and adjust the remote control so that the vertical Note 95 1 scan means that there are two black vertical s...

Page 23: ...respectively Note If the black and blanking levels have collapsed increase the brightness to increase their amplitude 16 Next perform Bias VR control tracking Remove the scope probe from the cathode 17 Input NTSC 1 4 Window white pattern Using a Minolta TV2130 CA 100 or similar light meter set the monitor s light output to 30 cd m with the Remote Control Contrast Key Next Adjust VR8401 Red VR8402 ...

Page 24: ...o signal to the center overscan 7 2 using the H WIDTH UP DOWN key V HEIGHT UP DOWN key H POSITION LEFT RIGHT key and V POSITION UP DOWN key 7 Next press the Remote Control NORMAL key to store these new values 8 Next input the PAL monoscope signal and repeat steps 2 to 7 by setting the Video I O PWB NTSC PAL Switch accordingly Note Either Videol or Video2 can be used for this step 9 Next Input VGA2...

Page 25: ... 3 556 22 222 UNDER 0 027 V ms 0 607 17 778 0 057 15 84 VESA 60Hz 800 X 600 H is 20 0 1 0 26 4 3 2 2 2 UNDER V ms 16 579 0 106 0 607 0 026 15 84 VESA 72Hz 800 X 600 H tis 20 8 2 4 1 28 16 0 1 12 f UNDER 0 77 V ms 0 478 13 853 0 125 12 48 VESA 60Hz 1024 X 768 H tis 20 677 2 462 15 754 0 369 2 092 UNDER V ms 16 667 0 062 0 124 0 6 15 88 SYNC ON GREEN MAC II 13 inch H is 28 57 3 17 22 81 0 18 2 12 OV...

Page 26: ...ore new data Note When connect the wire between pin 1 and pin 7 of connector JB NORMAL key which usually operates as a read function i e preset data read back into user memory now serves a as write function storing writing new data into preset memory area 6 Repeat Steps 2 5 for VIDEO 2 and save data 7 Input NTSC Split field signal to adjust RGB I O PWB VR872 SUB BRIGHT 8 Set Remote Control CONTRAS...

Page 27: ... on white background 2 Adjust the Remote Control Scan select to UNDERSCAN 95 3 Set the CONTRAST and BRIGHTNESS in the normal state 4 Set VR901 VR located to the side of the cooling fan to the mechanical center 5 Adjust FBT mounted FOCUS1 control for optimum center focus performance 6 Next Adjust VR901 to balance top and bottom focus performance 18 High Voltage Protector Circuit Operation Verificat...

Page 28: ...o UJ 5 c 3 8 CL C 5 o IL Z o O CC CO CO u u o u o UJ U z UJ UJ UJ o z 3 u S8 0 o rx r o o 9 at cx CO d ro o n H UJ o o o IX CO o o 8 z UJ z UJ i CD i UJ CD o o I I UI o u CL a X i VJ z UJ oc X CO X NJ o M M X UI CO H CVJ CD cc o o o Q rx H I o I f Q VJ I I X I I o rx UJ UJ o T T or u o T z T GO GO 0 CO H UI z z o 0 1 UI t 3 o j 15 o _ v Ci3 1 1 Ui CO z I u UJ UJ CD p i cn cr I I UJ 0 q 2a o UI z U...

Page 29: ... p I 2 O o 15 15 o I Q a CD t s o t t o s f c u p Q Q 09 ts 2 tu tu tu 11 8 IU O S UJ UJ s CD 3 3 9 n 03 CD 2 I ID X IU IU 2 c c 1 UJ o o II a I i ID 5 s 8 c CD X 8 3 5 c o Latli L ll_ 17 J 3 mi 8 8 8 d CM r o S o lA ID CM 0 2 S 6 g f 3 I Da Cm I I I i cy ill JlUll jilJiL I X C i i I t ft V I 1 V 5 g 03 Qi vu v5 Uj v 0 s 0 A r P b X n D N D N V r e 3 lu CM OC Vr fe 0 I I L t 0 i 3 K V T I I I LJ y...

Page 30: ...l i 0 UJ o f V_ Hi O s a S r i V Ui X 1 0 H c 0 i 05 f I a a Ui O II J mJ S cu Ui Co 0 QO H vl M U4 K V h sl V J Hi i V CQ CO N II it iC f S9 G w Ui 5 I UJ S OQ t c j Uj UJ c o I 1 K Ui 9 iei i r w C i QC iy tie sv I 9h VJI Ui VJ Volvo I i I fc P G o Va ly 5 51 u I Q i i Ui J Cj I 5 Ui I l tsj 5 f vO 4 t i vO u s A ol M r t ci 3 5 cC 0 si O o 3 5 X 27 ij ...

Page 31: ...inoia 60191 1 1 1255 Michael Drive Wood Dale Uiinoia 6019t VV I I Serial No I i I ooo 5 o e MAMO niGiCi hfic Model No AAA Serial No Uiinoia 60191 OOO 0AAMOMAMO VJC G 0 0 1 Model No AAA Model No 0 AAA Strlsl No OOO I ItnA 125o Michael Drive Wood Date i l c I f Serial No OOO Description 1255 Mkfwwi tfUve UUnola I 5 M 1 I A Display Contents and Display Points The specified display of Model No serial ...

Page 32: ...HS card by removing the labels and 1 i Model No Serial No Description u o o o ra Cl CJ n 1 c o s AAA o o o CS Mode No Serial No Description c w a n u c o CO 1 1 AAA O J o Model No Serial No O O O c o i I l CL o r ro 1 VP i o o Oi o Model No Serial No O O O Description i CJ CO CJ OL r i Front I D Application to Terminal Fitting Strip i Remove the left shown at left from the cardboard and apply it t...

Page 33: ... jj I rs hr I I I I 1 5 Mfch Drjyi iWoocrt ald M lllirfbis 0l9J l 1 I r eriaj No fi I M t I J I v RAN MB eC i in I 1 I Front t 66 I Mfloel m D t I I Si i 5 Mict i urty 1 iV I I eria No I a D u I UKhois I d I rmr I ia I TiTTTTT Li I z f E 2 Left Side Remove the label shown at left from the cardboard and apply it to the right top on the left side of the cardboard But apply the label without removing...

Page 34: ...he label to the right top on the right side of the cardboard with it laid to the right 6 I r f f Serial number label printed 242948D w Model No Serial No Deoeription 1 I 4 D Model No Serial No Deoeription Si DHHS card 24L2949D Model No Seriol No Deoeription i i w I I Model No i I 1 Polyethylene bag DHHS 24M0291D I I CAUTION TO DEALERS AND DISTRIBUTORS This product comes under ru i 24M02911 i J I I...

Page 35: ...43001 Plug Cable 4M 73499229 Registration Card 78046212 User s Manual 78405011 Remote Controller 7964 2701 Spacer T 24MT765D Protection bag 24M0908D Wrap from the set top or bottom and secure it by taping Set body I Spacer B 24MT766D I Front Cardboard box PG 2740 24MT767D 32 ...

Page 36: ...e bar code serial label 1676179 and apply it to the back of the cardboard I 4 i Serial number Commodity code M o f 3 4 9 8 M cJc OOOOc 3if V Model number I j 9 ri I j 1 About 50 t 1 I I U r i 1 1 I I J r r t Rear I I I I 3 r i y I 4 f ll 33 ...

Page 37: ...9 DS OS DCS 007 28 o LE9 EB10 DU 0EF SU8 PWB PWC EB10 O0F3 0E7 AZ3 RF7 Eon E011 OU 28 RH7 EA8 EA8 RG11 RG11 DEF HV PWB i PWC OEF3 EF3 0H3 DYH X6 D 0V3 DYV oo RGB I O PWB RV10 777 GROUND TYPE PART SPAIRAL RGB PWB PWC RA12 RS9 RK6 r C V CRT PWB C 3834 R g rb r r r i RB11 RE3 RC8 R02 G02 002 XA1 O FOCUSVR XB1 O FOCUSVR 777 GROUND TYPE PART GREEN HE2 BRACKET CRT EARTH GROUND TYPE PART BLACKx2 CABINET ...

Page 38: ...H o Sio o 3 Ti 3 i H f MS 103135 3Sind dWVlD c 3 s o 8 E 5 Ouj t s U of P X tn o a J 84 o MSS K I 9o x if e Ul Z 12 o J 4 Ui ZOL z 88 3 O I 030V OKIS H 03 m OfUS A 8 X UJ a 4 5 3 5 9 S9 o 3 eOV N3390 NO ONIS X vPS a a u u p si 5 5 4 o o 3 5 V y N 8 5 fj i ii fis isse t tO J a 2 V S W O i5 g 3 S o t ft C C II ozoc a s I yo It 21 3 3g ft C4 4 5 J I I g J i 4 J O CD E 0 V 7711 o t 4 CM S 2 W 1 yS o S...

Page 39: ...d i o X s w s o o x 4 4 s I o CM CM f C B XUJ zoo 4 in u Ul u s5 3 e I w QZ r D I o 5 O rn o o 2 C Occ UJ u 7 o P C o S 5 3f hi x a I 8 00 X n I X X a Q o o I I 2 I 89S 5 5 u u X u I to CJ z z z fi X 4 4 4 o o Ul Ul CD O Q O O 2 I X 2 d I a 4 m X mP Io u oxd o ui UO K CM g fI I__ 3 5 ogd no HiOW H X 3SindH S NId m 8 o s u S o rWr z i o I X 2 5 1 I 01 2 s d I j 3Sind H 1 UJ 8Spj is inrvQ ii O inoz ...

Page 40: ...OM UOh j J X j 8 G Cuj uj G H o Qo o a 0 6 o o o 2 2 Z 2 Z 1 I I I I sS 2 P 1 f 885 UJ UJ a Pi O F 01 LLLi 5 Ui i X eEJE E8 M M M LU 8 g M M M M tO o i oc 4 m o to r 00 o i s to 1 rCL 8 S S SS 8 o o M PO o G x 6 o g4 o o u o p QC z CM in P P P P 8 f UJ p z I CO CO z CO u o UJ w o d Cj Q n CO 3 3 s o S z 1 z q z p c Ir n dr adoj z d 6 z u o O K 4 o cm3 C P o bP 5 o o C3 ir D UI m U s4 o mo QC VlO V...

Page 41: ...I I f ...

Page 42: ...K1X8S2 01 re ZDO02 w a wv C812 cei3 3300 T 3300 wv AB33 777 K 100 ijviMOc yl n 1 RB4S 3a ai 0830 183283 2DOOB KS 6ES82 R827 RS3 VO Z0003 K13ESS2 no34 X 0041 7 S1 ix l Bl pea 3 at VT C807 C806 0 t 100 23V lev C8U 100 cooo 3300 r pea s m 0034 D n i 10883 ro40 4 7K SA V K30 B2B X 680 TO 0804 DTC144ES lb RGBl SELECT uCOK V PM8 lOK RS8 H PD1 AS icaol M52036SP SYNC PRCCESS R824 I SI A83B Claso V H Claa ...

Page 43: ...0 I too 10V w fi R8Sa CSV RB7I I nSTB VR871 ii lOK S TAL CLAMP CTL n 1 n m vr 007S 9 c i tfviayt iPi 0071 RDuesea b iq it li u icf t6 V 6 6i6 6 6i6 9999999 we egaM RGB AUDIO S872 DIP SWl Of nsousi I an D zDoai ROB M871 M872 9 7 a a a a PCA I 4 LllOOl m vnco BAio gM f08B 820X m n f I Tfr r m vr 1 sox 0070 FDiaesaa ZD077 0070 S870 FDuessa fOUEsaa noiSEau M874 A M873 OCA 10079 ROB CEQB 0074 fca ssaa ...

Page 44: ...oKm IC8701 UPC1377C VIDEO SYNC PROCESS C803B 2 C too lev 08010 DTC144ES RGBl SELECT eo ro I COKTB CTo v oj v tui V QSC V TtTC V V V OJ1 oo Ol T Ad IN 0730 B O I 08011 DTA144ES RGBl SELECT s si r H H H IN HIILLlUi f QSC APO APO VCC on OO IN OJT D M 6VHC D oin iH C878S 27000 08007 2SC1740S 0 A 8 R BUFFER I 00028 V Mt fi 06024 0 01 08713 08723 I 08714 08719 98000 0 1 29V TPGNOl 01 CTM H 9Y7C PTCZTUl ...

Page 45: ...t lOp I 77 7 7 7 7 0919 08919 0 01 470 IBV 0919 I OR tX 777 99 100 18V m 0909 Ionia jo oi Sin 81B OCMT te i 55 N P 1832n 08X24 8ie 8 a lei Q6415 2SC1740S Q R B F IAS A QB418 ___ 2 3504 B SLFFER p 3 l T 2 9 xn PCAKDO tel nnai I 30 I CM el 7fr 08427 0 01 TPB301 eniofT rPGf 02 C0WTIU8T cn 0LX RjLSe I fp Il 09iaf T lOK J CUB CCMTTUSTlnl awTO I 0914 m IX I 5S OJtM M3E 6LO comusTlol ONTO I 130 COKTB I m...

Page 46: ... 0714 183231 i S704 i PM Y W VAfl It l 5 a K7ia L NC NC O T CM va VI 0 VA7 7 7 0 f m ZD701 roe 231582 0 fr C711 X 0 1 I T Si I 1 i i a L s rgv T T J5s vw R729 9 0i s too a I 4 R711 220X OUT R713 220X i OUT C714 0 1 SN R729 M710 g_ VW R727 lac THOJ91 oor 100 D 183233 A wreiexT ct i t o 29V eXT GPCAKER TOWIMAL t GKTl ILEFT I W 777 TO m 1M4 RBS 1 0 PVB CM 1 1 H W 002 777 R748 100 lC 3 j R740 R74 ClOK...

Page 47: ...VI N P B TRAP n crow I 100 16V CToai goto VT8 KTse at W WTSeiTl 16V 7 C7iae X loop via VI10 a 8 IC7101 N 13a6L PAL COMB FILTER IT7019 IQK X Vlll mip C CF710I 4 mtp AAA XSTf A c X X 5 lev T asv T asv 16V m R710I IC7005 LVA522S C SWITCH X X r TV fajFTOi laimii Q7103 2SC1740S O A O BUFFER rniFypn i J 9 iS H7I 85V CT109 R71 lOK asv R7iia 380 AAA R7U1 100 R7103 tCK BTiaa R7104 680 C7l 10 RfTtie 680 1 7...

Page 48: ...I C7201 aav 2 E 2SV SUB CONT TP7001 07202 J OT494 07402 A 07403 2SC1740S 33Sq 2SC1740S Q a 8 R749S W 0 R7490 IK 07438 TP7004 CEL4T LOC Tf 220 07406 2SA933S a a 0 G AMP 07410 8 R R TO 2SC1740S B BUFFER MATRIX AMP WB MB IT OT4S1 VS V 072OS 07290 07297 07240 07217 9 JR 990 680 9 3ElO i I 1 I I 07209 07210 C 0V7 one 07204 880 IC7201 TP7002 I M Mua 0VB HA11465A g 2SC1740S 2SC1740S 0 0 8 0 0 8 V em 2 A ...

Page 49: ...R9EE 0907 2SC4158 R AMP GK n 100 R919 S6903 I 1 2KV 777 1 1 R920 C928 620 ex 820 1902 SR914 1 2W C907 120p I 0 1 2KV 330 25V C929 1 RE 120p 2KV A C926 4700p Z0901 R07 5ESB3 Q910 2SC3950 R DRIVE R92S 100 2KV TO L903 R91S 1 2H G1 RGB PKB 1 R923 O E 1 2 330 0908 2SC4158 G AMP 100 RO X R928 C910 Joq 16V A SCREEN 470 R937 C906 1 4H I 82 0 I 777 25V R931 150 I FOCUS R924 SG904 1 2KV C913 lOOOp Q909 2SC4...

Page 50: ...T __ CB PAL B OYV I VPOLA P Wfe V8TATC M QLA K9TATC P Wg c I e V8YMC I D E PM TE d 2 ae S12V isv I18V S RS8I E 5 pooi i 5 I S ISV gTV IK no4 jms 114 fit ecq CC CC7 ECO CCS TTlxX eta eet CB4 ec3 oca 007 oce iSS 003 Bi F Y Y Y Y Y Y Y Y Y Y Y Y Y Y TO OEF OA P 9 TO 0C8 PMB ec 00 47 ...

Page 51: ...529D RESET CfT CTV RE CTE OATA P03 IPAO 01004 DTC114ES INVERT DIOOO I issao3 R1036 IK mosT 039 RIOAO IK OAl R1019 lew Rioai tx e o Rioaa o aT t 01003 A933S Q R S CONTFIAST PAI iKTPa IPAt 1 01000 01007 CRAio oa outo a cioae ZDlOll ipa tc PAa 01005 DTC144ES ABL SW r 010 to issa53 INTPl IPA3 V9VHC CTL l A I A a 4 AA PA3 RtOOB lOOK Rioei OR I PAS INTPO R PRiooa 4 7KX0 Rioao A TR 01009 01000 18S2S3 183...

Page 52: ...0 4 7 R304 a TX eaoo 47000 t 6 f cao4 caos 4700 rv ST A 1 91 0 1 777 R2I0 9 0 777 OtfTi ALB ALPIO asv PC PCI PAN3 aI O Tl pea TO vxocD t o ne K w cai7 3 C cats 3 E H P AU4 AUDIO LTft i AU N P 2D204 PD8 0EB1 eao 470 16V pea AU1 AIOIO D A lea a I J aaoa caoe zat 47 1 i mao fee Am Auoio L xn A207 r4 777 0301 2SC1740S 0 A 8 A ML TE fail sat s A S T oaoa tsaasa 1 4M I 7 7 Snaoe faio lat sat i TS ieai4 ...

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Page 54: ...PG 2740 1 2 3 5 4 6 7 8 A DEF HV PWB PWC 3B46 SCHEMATIC DIAGRAM 2 2 B I C TO FBT D 1 OYW fftWT lav ICOCl 1 12VM 117 PMAl 1 ee coc2 E 1909V IPAfU 1 1 PAAA2 F 51 A ...

Page 55: ... IZ V HEIGHT 1 04029 220 C40 C4029 0 01 C4019 2 2 IMI 3C4016 04049 TfT Is C4017 0 1 CTL TAKTM py IfIDTW I c Tfroci lavivi I 09049 19V I C DTC114ES Jl pA 7c J vortic Horit 12V I C0020 0 1 2SV 19V TfroKll I IC9002 C4024 ooe IC9003 UPC311C H POSI CTL IC9007 UPC3403C D A 8UFFER vcei POSI CTL IlOK 2SA1349 ca CURRENT MIRROR Las i a a 1 I SI 09099 IC9009 XF A 10358 D A REF VVA 09049 9 01 09016 2 ai 09049...

Page 56: ...TH 3 i CSIM 3 3 toov sirv Q9062 1 7 7 DTC114ES FEED BACK SW 777 ptAAflo R3231 0 P0333 7K I c n osi Jy 2SC1740S 0 R 8 P MOOE IWERT R320 9 3t 2 RS2 a _____ O Si 7 7 MI 309018___ S Vn ACSB2 09034 tssz R9220 S is142 9 C813I 7 r 4 ZD901B 08 grafts Sfrai Q9060 DTC114ES FH HODEl SW 777 S i 12VH D s OTM I s W IB y TP9001 ix CB129 2 2 m m 03222 TP9002 09063 A933S i kOBOS3 163233 VR9003 H V RS223 09065 2SC1...

Page 57: ...22Z C51 r 3 3K 22Y 16 IC33 P01SRF2 IC34 PO30RV11 iC AGOIZ 0 47 250V 4 SOOP 250V 2200 1 6X O i 22 C12 1100 Z IHI 4 12Y C6G0 SUB01 RVC 3851B D3G08S1 R44T2 2 Z 47 100K 100K COS 5 1000 16V 1 O i 35V 41 2Y R45 c 300 R03 R04 m c E f E 10 O C52 330 16Y IC35 4 46Y 4 R13 C53 C54 1 i 7 R47 D38 100 35V O I 47 3SV 6 POiVER R01 I 2 1 1 H ON 4 7 2 2H AG012 Mi5 2 2 T02 NJ479412 D DEGAUSS i LyCN I i O 1 2 5 R02 G...

Page 58: ...77P mil 17iY141 1 ifi RBS RB7 c HH I 33K 1 2 9A01 I CM 0 047 10K CRB11r CR02AM Wr R68 t R31 100 R30 I 0B2 R34 I 2SC27B5 4 7K R84 R74 I 330 RBS N 0M31 I 1SK i 1 5K I ro7i R72 100 I ICB1 o oir I 071 HZ58 2 084 18K Tlt i fT VRB1 I 27K IK t I 2S01020 0 01 X I OBI 25B810 X I 1 I J C8 I 0 Q1 R35 Wv C72 R73 33 R32 0TC114 I I R61C61R62 CS2 R63 C63 C66 R8B 4 7K C83 I I 18K 470 CB2 i 1 470P 0 1 1 100 IK CBS...

Page 59: ...A C5451 56000 6KV RS4S3 R9491 HA3 10 1 33K 1 4H B TTT CS452 llOOOp i 6K RS454 777 100 HCl HC2 C TO DEFAIV PHB HC XhC3 05453 2SK2223 01 Q5454 2SC399B H OUT HBl 05491 CUT G30R I 6000D T 1 8KV C9454 C5455 L 6000D X i flxv CS457 43000D 1 25KV AhB2 TO DEF HV PWB HB AhB3 777 777 C c Th HFl r RL5451 66C 1114P HF2 TO OEF HV PWB 777 HF AhF3 77T D C 56 ...

Page 60: ...TA VCC ON 46V SWITCHg l PC3 uCOH V PWB O B PC 12V SW1TCHED PC4 fl2V BACK UPl PCS B DlOl SEL1320G STAND BY D102 D103 SEL1820D SEL1820D VIDEO1 VIDE02 D104 SEL18200 SEL1820D RGB2 DIOS RGBl LED tfltCTLi LEI RGB2 LED CTL LE2 77T RGBi LED CTL LE3 VIDE02 LED CTL LE4 C TO VIDEO1 LED CTL LE5 uCOH V PWB L STAND BY LED CTL LE6 4SV BACK UP LE7 REMOTE DATA LE6 LE9 A D I 57 ...

Page 61: ... I I I r I l I f i i f I I t NEC i y f r C C for Human Potential I I V I I 1 I I I PRINTED IN JAPAN 630MI9402 01136981 PG 2740 1 ft ...

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