Sanyo 19-Inch Color Raster Video Display
Contents
1. 38 0 25600 s S R265 172C1000 3 FROM F Seay rei E D ET d OCUS VOLUME C P M A90 045018 phe SS aa al o Hr ES Y AR ee 6 S Z o pU F PICTURE E TUBE zm ilm 4 R252 H 310UTE2 PES NR Q D 2 9V H A l ene gt O Q gt 1 185600 7 30 GROLNDIMG C257 CONNECTOR zy F i woo EE J1956 Q 2 8V H y z A EJ e e 8 200 k Q 2w YR254 YR255 YR25 VR253 Clits 611288 Gl 11404 6112870 iT a ec e LO OEGAUSSIMG COL O Q 190 LLLLILILQLILIIIAAZ1 L2OO7OO 2AB L7690AGD AP AN AMT o a 569 T FROM MAIN FROM ALDIO CIRCUIT BOARD cum 9 6 CHASSIS CIRCUIT BOARD A 19 2 9 O x 2 lt i 2ac 3 SERVICE SUB VERT CENTER UP A vR4O3 T ef Botox V WA G121 DON f Q ANA cos en Bo 1000C O Mo ee mik D d GEGAUSS BOARD 1F0140 o 93 O Sw 01 AC CONNECTOR 100v SOMZ 6OMZ PICTLAE TUBE SOCKET BOARD Figure 8 Sanyo Model 20 Z2AW Video Display Schematic Diagram 21 22 Sanyo 19 Standard Resolution Display E gt Warranty Seller warrants that its printed circuit boards and parts thereon are free from defects in material and workmanship under normal use and service for a period of ninety 90 days from date of shipment Seller warrants that its video displays and laser video disc players in games supplied with displays and video disc players are free from defects in material and workmanship under normal use and s2. tom side of the Main Chassis PCB Lift the transformer off the Main Chassis PCB 10 Replace the transformer in the reverse order of removal Be sure to check the picture for sanyoness If appropri ate readjust the Focus control as described in Chapter Sanyo 19 Standard Resolution Display 6 Adjustments A WARNING A Remember to observe the precautions regarding high voltages when making adjustments on this display Before adjusting the display remove the display assembly from the cabinet as described in the game manual Leave all cables connected between the display assembly and other parts of the game Purity Adjustments 1 Set up the display for the purity adjustments as follows a If you will also be adjusting the convergence of the outer screen area loosen the mounting screws for both the deflection yoke and the magnet b Position the cabinet so that the CRT faces either north or south c Degauss the CRT tube with a hand held degaussing coil 2 Adjust for red purity as follows a Turn off the green and blue guns of the CRT by ro tating the G BIAS VR253 and B BIAS VR252 con trols to the fully counterclockwise position See Fig ure 5 for the location of the Bias adjustments b Setthegame to display any self test diagnostic pattern that shows solid white Keep this image throughout the purity adjustments Refer to the Self Test chapter in the game manual for details on selecting this pa
3. ATARI GAMES Atari Games Corporation 675 Sycamore Drive P O Box 361110 Milpitas California 95035 Sanyo 19 Inch Color Raster Video Display Service Manual With Schematic and Illustrated Parts List TM 311 lst Printing 1987 by Atari Games Corporation All rights reserved No part of this publication may be reproduced by any mechanical photographic or electronic process or in the form of a phonographic recording nor may it be stored in a retrieval system transmitted or otherwise copied for public or private use without permission from the pub lisher The game play all graphic designs this manual the game operators manual and its accompa nying schematic diagrams are protected by the U S Copyright Act of 1976 This Act provides for increased penalties for violating federal copyright laws Courts can impound infringing articles while legal action is pending If infringers are convicted courts can order destruc tion of the infringing articles In addition the Act provides for payment of statutory damages of up to 250 000 in certain cases Infringers may also have to pay costs and attorneys fees and face an imprisonment of up to five years Atari Games Corporation will aggressively enforce its copyrights against any infringers We will use all legal means to immediately halt any manufacture distribution or operation of a copy of video games made by us Anyone who purchases such copies risks forfeiting suc
4. 047 E 50 V Capacitor Mylar 2700 pE 50 V Capacitor Electrolytic N P 056 F 125 V Capacitor Ceramic 1000 pE 1000 V Capacitor Electrolytic 470 F 160 V Capacitor Mylar 1 E 50 V Capacitor Electrolytic 470 4E 10 V Capacitor Polypropylene 0 022 E 200 V Diodes Diode 181555 Diode Zener EQA01 07S Diode Zener EQA01 12 Diode S1B01 02 Diode 1S188TV Diode Zener EQAOI 12R1A Diode 181553 Diode EU 1 Diode RU2 Diode ERC04 06 Integrated Circuits IC Sync Separator LA1464 IC Voltage Regulator LA5112R Thermistors Thermistor SDT 500 Thermistor SDT 1000 Transistors Transistor NPN 2SC536NP Transistor NPN 2SC1507 Transistor NPN 2SC536 Transistor PNP 2SA659 Transistor NPN 2SC2551 Transistor NPN 2SC2073R Transistor PNP 2SA940R Transistor NPN 2SC2271M Transistor NPN 2SD1090 Transistor NPN 2SD869 Resistors Resistor Carbon 120 Q Y W Resistor Carbon 2 2 kQ 4 W Resistor Carbon 220 Q 4 W Resistor Carbon 1 0 kQ 4 W Part No 99 160665 99 160327 99 160585 99 160584 99 160319 99 160491 99 160664 99 160325 99 160660 99 160485 99 160300 99 160495 99 160106 99 160581 99 160666 99 160100 99 160619 99 160503 99 160576 99 160657 99 160102 99 160104 99 160007 99 160658 99 160202 99 160502 99 160015 99 160018 99 160513 99 160016 99 160580 99 160578 99 160579 99 160017 99 160469 99 160465 99 160522 99 16
5. Capacitor Electrolytic 100 F 16 V Capacitor Ceramic 4700 pE 500 V Capacitor Ceramic 470 pE 500 V Capacitor Electrolytic 22 F 50 V Capacitor Ceramic 820 pE 500 V Capacitor Electrolytic 330 F 25 V Capacitor Electrolytic 220 4E 25 V Capacitor Polypropylene 0 47 E 200 V Capacitor Electrolytic 10 F 160 V Part No 99 160640 99 160639 99 160642 99 160641 99 160643 99 160303 99 160306 99 160487 99 160486 99 160307 99 160623 99 160314 99 160471 99 160337 99 160332 99 160492 99 160488 99 160498 99 160624 99 160310 99 160328 99 160661 99 160496 99 160586 99 160302 99 160323 99 160322 99 160489 99 160324 99 160588 99 160587 99 160494 99 160309 11 Designator C473 A C474 C475 A C482 C485 C486 C601 A C602 605 amp C606 C607 C609 C611 D161 D202 207 D211 D212 D302 D303 D401 D403 D201 D210 D301 D405 D406 D451 amp D452 A D453 D454 D457 D601 D604 A 1C401 IC601 A TH301 TH401 TR204 208 TR210 TR211 TR251 TR253 TR301 TR302 TR401 TR402 TR403 TR451 TR901 amp TR902 R161 R162 R164 R308 R165 A 12 Sanyo 19 Standard Resolution Display Sanyo Models 20 Z2AW amp 20 EZV Video Display Parts List Continued Description Capacitor Polypropylene 6800 pE 2000 V Capacitor Ceramic 500 pE 2000 V Capacitor Ceramic 200 pE 2000 V Capacitor Ceramic 5 0 pE 50 V Capacitor Mylar
6. according to the terms of the warranty The use of any non Atari parts may also adversely affect the safety of your game and cause injury to you and others Be very cautious in using non Atari supplied components with our games in order to ensure your safety Atari distributors are independent being privately owned and operated In their judgment they may sell parts or accessories other than Atari parts or accessories Atari Games Corporation cannot be responsible for the quality suitability or safety of any non Atari part or any modification including labor which is performed by such distributor e GAMES
7. apply power to the display 8 Set the game to display the self test diagnostic pattern showing the gray raster 9 Slowly adjust the Screen control until the CRT screen displays the first hint of color Do not adjust the Bias control for the color that first appeared on the screen Instead slowly adjust the Bias controls for the other two colors until the screen displays a faint gray color 10 Set the game to display the self test diagnostic pattern showing the white raster and adjust the R Drive and B Drive controls for a uniform white Note repeat steps 8 and 9 so that both the gray and white rasters have uniform color 11 Return the game to the attract mode If necessary adjust the Brightness control if the screen appears to be too dark or too bright Horizontal Centering The Horizontal Centering control should be adjusted if the picture is not centered on the screen as indicated by a black area at either the left or the right edge Figure 3 shows the location of the H CENT control VR352 on the Control PCB Adjust this control until a normal screen image is ob tained Vertical Hold The Vertical Hold control should be adjusted if the picture drifts straight up or down on the screen Figure 3 shows the Sanyo 19 Standard Resolution Display location of V HOLD control VR353 on the Control PCB Turn this control until the picture no longer drifts up or down on the screen Vertical Size The Vertical Size co
8. that the mounting screws for the deflection yoke assembly and the magnet assembly are loosened Slide the yoke slightly away from the CRT Move the yoke until the outer lines and dots on the screen are pure white The up down movement of the yoke causes the outer edges of the screen image to swivel clockwise counterclockwise A side to side movement causes the lines and dots at the outer screen edges to expand and contract Secure the deflection yoke in position by putting the wedges back between the CRT and the yoke collar f Secure the wedges with white glue Tighten the mounting screws to secure the magnet and deflection yoke assemblies 3 Perform the tracking adjustments in Chapter 3 B Adjustment 1 Set the Brightness control on the Control PCB for max imum brightness 2 Seta DC voltmeter to the 0 volt to 150 volt range 3 Connect the plus lead of the voltmeter to test point 91 See Figure 3 4 Connect the minus lead of the voltmeter to ground 5 Adjust VR601 located near the DC fuse on the Main Chassis PCB for a voltmeter reading of 108 V 6 Return the Brightness control to its normal setting Sanyo 19 Standard Resolution Display Designator PPPPP C161 C202 C162 C411 C164 C402 C165 C166 C302 C453 C454 C201 C301 C303 C406 C203 C305 C452 C251 253 C257 C258 C401 C403 C404 C407 C408 C467 C610 C410 C472 C412 C451 C460 C455 C4
9. 03 SIGNAL INPUT CONTROL PWB VR601 H SIZE V POS S UP T T452 F301 R609 QT hem FBT 0 3A 125V Lass vraag p MMPER B ADJ VR355 VR351 VR352 VR353 VR354 VOL BRIGHT H V V CENT HOLD SIZE Figure 3 Adjustable Controls and Test Points on Main Chassis PCB Control PCB and Signal Inversion PCB Blanking Pulses Picture Tube Socket PCB 140V DC 0V DC Figure 4 Blanking Pulse Waveform of Video Amplifiers color or brightness and whenever the purity and conver Figure 5 Adiustable Controls on Picture gence is adjusted See Figure 3 for the location of the Screen 5 zi ed Socket PCB and Brightness controls and Figure 5 for the Bias and Drive controls 1 Remove power from both the game and the display 2 Unplug the 6 pin video signal connector which is wired to the Signal Inversion PCB 3 Set the R DRIVE control VR254 and the B DRIVE control VR255 to their mechanical centers 4 Setall three BIAS controls VR251 VR252 and VR253 to their mechanical centers 5 Set the Brightness control to its mechanical center and the Screen control fully counterclockwise 6 Ifthegame hasa self test diagnostic pattern for the color purity test set the game to display this test to complete the white tracking procedure Ifthe game does not have a color purity test an RGB signal generator capable of producing a gray and a white raster is necessary 7 Reconnect the 6 pin video signal connector and
10. 0673 99 160481 99 160548 Sanyo 19 Standard Resolution Display Designator R166 R167 R602 R603 R168 R405 R411 R169 R487 R488 R216 A R204 R206 R209 R225 R227 R486 R489 R222 R224 R213 R215 R305 R460 R220 R310 R221 R228 R230 R309 R231 R255 R259 R236 R238 R410 R239 R473 R478 A R240 R252 R256 R260 R266 R267 R253 R257 R261 R263 R265 R273 R274 R279 281 R301 R302 R304 R466 R303 R608 R306 R307 R312 R454 R401 R402 R407 R403 R404 R408 R413 R414 R415 R423 R418 R419 R420 R421 R455 A R421 R424 R425 R426 R427 R451 R458 R459 R461 R476 A R461 R462 Sanyo Models 20 Z2AW amp 20 EZV Video Display Parts List Continued Description Resistor Carbon 560 kQ 4 W Resistor Carbon 120 kQ 4 W Resistor Carbon 56 kQ 4 W Resistor Carbon 68 kQ 4 W Resistor Carbon 10 Q Y W Resistor Carbon 1 0 kQ 4 W Resistor Carbon 15 kQ 4 W Resistor Carbon 820 Q 4 W Resistor Carbon 330 Q 4 W Resistor Carbon 100 2 Y W Resistor Carbon 1 5 kQ 4 W Resistor Carbon 1 5 kQ 4 W Resistor Carbon 1 0 Q 4 W Resistor Metal Oxide 330 Q 1 W Resistor Carbon 180 Q Y W Resistor Metal Oxide 5 6 kQ 1 W Resistor Carbon 1 0 kQ Y W Resistor Metal Oxide 0 39 Q 1 W Resistor Carbon 100 kQ Y W Resistor Carbon 1 2 kQ 4 W Resistor Carbon 27 kQ 4 W Resistor Carbon 3 3 kQ 4 W Resistor Metal Oxide 3
11. 5 amp R608 R609 R611 A VR251 VR253 VR351 VR254 VR255 VR301 VR352 VR253 VR354 VR355 VR403 VR451 VR362 VR601 amp T451 T452 A T452 A T701 F301 amp F302 A L251 L253 L452 1453 A 1454 A L601 A L901 A L901 L902 amp L902 amp Q902 amp K251 A SW301 A 14 Sanyo Models 20 Z2AW amp 20 EZV Video Display Parts List Continued Description Resistor Metal Oxide 10 kQ 2 W Resistor Metal Oxide 5 8 kQ 2 W Model EZV only Resistor Metal Oxide 6 8 kQ 2 W Model Z2AW only Resistor Carbon 150 Q Y W Resistor Carbon 5 6 kQ 4 W Resistor Metal Oxide 1 0 kQ 1 W Resistor Carbon 10 kQ 4 W Resistor Carbon 33 Q Y W Resistor Carbon 15 kQ 4 W Resistor Carbon 13 kQ 4 W Resistor Metal Film 3 3 Q 1 W Resistor Metal Film 330 Q 2 W Resistor Metal Film 1 0 kQ W Resistor Wire Wound 1 5 Q 7 W Resistor Metal Oxide 1 2 kQ 3 W Resistor Carbon 39 kQ W Resistor Metal Oxide 5 6 kQ W Model EZV only Resistor Wire Wound 180 Q 20 W Resistor Carbon 330 Q 4 W Potentiometer Trimming 10 kQ Potentiometer Trimming 200 Q Potentiometer Trimming 10 kQ Potentiometer Trimming 200 kQ Potentiometer Trimming 50 kQ Potentiometer Trimming 10 kQ Potentiometer Trimming 3 kQ Potentiometer Trimming 10 kQ Transformers Transformer Horiz Drive Transformer Flyback Model Z2AW only Transformer Flyback Model EZV only Transformer
12. 58 C459 C461 C462 C464 C465 C466 C468 C469 C470 C471 Sanyo Models 20 Z2AW amp 20 EZV Video Display Atari Part Number 139021 002 003 Parts List NOTE These video displays contain circuits and components included spe cifically for safety purposes The 44 symbol is used in the parts list to mark safety critical components that you should replace only with exact factory replacement parts Using substitute parts may create a shock fire radiation or other hazard Only qualified personnel should service these video displays Description Printed Circuit Board Assemblies Assembly Main PCB Model 20 Z2AW only Assembly Main PCB Model 20 EZV only Assembly CRT PCB Assembly Control PCB Assembly Signai Inversion PCB Capacitors Capacitor Electrolytic 220 E 16 V Capacitor Electrolytic 4 7 wE 25 V Capacitor Mylar 015 F 50 V Capacitor Mylar 2700 F 50 V Capacitor Electrolytic 1 0 4E 50 V Capacitor Electrolytic 10 E 50 V Capacitor Ceramic 01 4E 50 V Capacitor Ceramic 150 pE 50 V Capacitor Ceramic 1000 pE 1000 V Capacitor Mylar 068 E 50 V Capacitor Mylar 0 33 uE 50 V Capacitor Mylar 056 uE 50 V Capacitor Electrolytic 10 E 160 V Capacitor Electrolytic 1 0 F 160 V Capacitor Electrolytic 100 E 160 V Capacitor Mylar 0 082 F 50 V Capacitor Poly Film 8200 pE 50 V Capacitor Polypropylene 2200 uE 630 V Capacitor Electrolytic 47 F 10 V
13. 9 kQ Y W Resistor Carbon 1 2 kQ 4 W Resistor Carbon 68 Q 4 W Resistor Carbon 4 7 kQ 4 W Resistor Carbon 1 8 kQ 4 W Resistor Carbon 12 kQ 4 W Resistor Carbon 220 kQ 4 W Resistor Carbon 1 0 mQ Y W Resistor Carbon 270 Q Y W Resistor Carbon 33 kQ 4 W Resistor Wire Wound 470 Q 7 W Resistor Carbon 10 kQ Y W Resistor Metal Oxide 8 2 kQ 1 W Resistor Carbon 18 kQ W Resistor Carbon 18 Q Y W Resistor Carbon 1 kQ Y W Resistor Carbon 120 Q W Model EZV only Resistor Carbon 22 kQ 4 W Resistor Metal Oxide 18 kQ 1 W Resistor Carbon 680 Q 4 W Resistor Carbon 180 Q 4 W Resistor Carbon 6 8 kQ 4 W Resistor Carbon 11 kQ 4 W Model Z2AW only Resistor Carbon 2 2 kQ 4 W Resistor Carbon 18 kQ 4 W Part No 99 160516 99 160561 99 160515 99 160520 99 160547 99 160556 99 160563 99 160521 99 160570 99 160555 99 160480 99 160480 99 160546 99 160534 99 160564 99 160483 99 160476 99 160482 99 160477 99 160479 99 160569 99 160571 99 160573 99 160479 99 160517 99 160574 99 160565 99 160560 99 160567 99 160559 99 160568 99 160572 99 160542 99 160524 99 160620 99 160670 99 160525 99 160523 99 160674 99 160566 99 160533 99 160518 99 160564 99 160519 99 160679 99 160672 99 160553 13 Designator R467 R470 R471 R453 R606 R607 R472 R612 A R474 A R476 R477 amp R479 A R482 A R601 A R604 R60
14. Choke Miscellaneous Fuse DC 125 V 0 3 A Fuse AC 125 V 4 A Coil Peaking 6 8 H Coil Filter Coil Width Coil Linearity Filter Line Coil Degaussing Model Z2AW only Coil Degaussing Model EZV only Yoke Deflection Yoke Deflection CRT 19 Color Standard Resolution 510UTB22 Socket CRT Switch Service Magnets Convergence Purity Sanyo 19 Standard Resolution Display Part No 99 160675 99 160675 99 160678 99 160562 99 160514 99 160532 99 160557 99 160549 99 160551 99 160671 99 160530 99 160531 99 160523 99 160677 99 160211 99 160526 99 160514 99 160676 99 160540 99 160403 99 160404 99 160662 99 160401 99 160402 99 160511 99 160510 99 160406 99 160010 99 160508 99 160669 99 213036 99 160668 99 160667 99 160656 99 160451 99 160663 99 160582 99 160659 99 160637 99 160638 99 160635 99 160636 99 160632 99 160472 99 160504 99 160459 Sanyo 19 Standard Resolution Display N O 15 Sanyo 19 Standard Resolution Display 35 ABA SIGNAL CIRCUIT BOARD 0202 TR205 TR207 ras RIVE 181553 250538 F G 13 GREEN 0333 TR208 TR210 TR211 132078 25C945A iP Q x3 TR208 A 2SCS38 F G x 3 a osar or 25C945L P O 23 2SC945A P Q x3 l BUFFER 4 or 2SC945L P Q R x 3 i T Macs R278 S TR251 TRZ53 E BB 2SC1507 IK L M Q or 2SC1756 C D E 45 GREEN OUTPUT SIGNAL 1555 R238 CREE c foli sue em Lun Is pane ls GRO
15. ERE EWREREE Sanyo Video Display Parts List List of Illustrations Figure 1 Overview of Sanyo 19 Inch Color Raster Display Figure 2 Display Patteri SIZES AAA A dni Figure 3 Adjustable Controls and Test Points on Main Chassis PCB Control PCB and Signal Inversion PG eua sa were menici e Rn arie Figure 4 Blanking Pulse Waveform of Video Amplifiers Figure 5 Adjustable Controls on Picture Tube Socket PCB Figure 6 Purity and Convergence Adjustments Figure 7 Sanyo Model 20 EZV Video Display Schematic Diagram Figure 8 Sanyo Model 20 Z2 AW Video Display Schematic Diagram Sanyo 19 Standard Resolution Display 1 Warnings and Cautions Introduction This display is contained within a separate chassis inside the game cabinet The Main Chassis printed circuit board PCB is mounted to the display chassis under the video tube the Control PCB is located next to the Main Chassis PCB and the Picture Tube Socket PCB is attached to the neck pins of the video tube Input signals for the display are supplied through a 6 pin harness connector to the Signal Inversion PCB then from that board to the Main Chassis PCB See Figure 1 Before You Start Never attempt to work on a display until you are familiar with servicing precautions and procedures necessary for high voltage equipment Remember any video displ
16. Edit potes Tha MAIN CHASSIS CIRCUIT BOARD U885486 A Terrero yox ar L902 16 Sanyo 19 Standard Resolution Display CONTROL CIRCUIT BOARD U885493 ra emed p vR355 VR351 VR352 MeL VR354 PICTURE TUBE SOCKET BOARD U8 85141 g 5600 Kusi FOCUS PICTURE VOLUME er CPM acc 83 Bi E3510 045018 TO NAIN CHASSIS CIRCUIT BOARD TRIVI 25 2073 9 6 EI Tesi hio MAIN CHASSIS BK CIRCUIT BOARD GROUNDING CONNECTOR T 9 v630 J1938 2134440 22 O we Creos 1 7 00 S00 AUDIO UNIT EZV L901 Co asci U82504 AVOID EL DEGAUSSING RS m our g L 7668 KGD Kel AP AN AM AO FROM MAIN CHASSIS CIRCUIT BOARD JC2 Jci JC3 1 TRANSISTOR BASE INFORMATION O e O O TA tB Bk EI E C CURRENT O LIMITTER e ye Ep r 2501090 VOLTAGE REGULATOR IC601 LAS112N A gt Em 2d zr Bal p n Vane R604 34k 3R iRn502 ADJ R607 00 120K vasor 10K j 5K C zspses 2501507 25DS993A 25C1758 K 75D898A 08 250901 BVE 2SC2073R zsasse ECB B 2502271 Sw901 Ec scam 2501090 251015 2228 w107 4ciooy 2502230 BCE 5 H1 ea 2 RESISTOR CAPACITOR INFORMATION e RESISTOR INFORMATION 1 F 10K R603 A next REID Po nena LT ses ISTOR VALUE IN n 10 100k 7 160EE 1 Y2F POWER RATING 39K AS TO 1 4W F TYPE RESISTORS RESIST ces gt CAPACITOR ALONE ARE GIVEN ITOR INFORMATION 220 09 10 fui EXPRESSED IN P WHEN THE UNIT
17. GHT control VR351 should be adjusted if the pic ture image is either too bright or too dark See Figure 3 for the location of the Brightness control on the Control Printed Circuit Board PCB 1 Place the game in the attract or play mode 2 Using the Brightness control adjust the display for a pleasing level of brightness 4 3 If the proper level of brightness cannot be obtained by adjusting the Brightness control adjust the SUB BRIGHT control VR301 as follows a Set the game to display the self test diagnostic pattern showing a white crosshatch Refer to the Self Test chapter in the game manual for details on selecting this pattern b Attach an oscilloscope probe to each collector of the video amplifiers TR251 TR252 and TR253 and ob serve the blanking pulse waveform of each amplifier The one with the most deflection of the blanking pulse is the lead gun c Adjust the Sub Brightness control so that the wave form is similar to the one shown in Figure 4 Tracking The Screen Brightness the three Bias and two Drive con trols should be adjusted if the picture image is not the correct Sanyo 19 Standard Resolution Display MAIN PWB o am INVERT 8 amp OUT o A 5 SUB BRIGHTNESS SIGNAL o INPUT e o FRE VR301 i 5 NON INVERT 4A gt o 125V OUT 3 H HOLD E HORZ S VR101 VR102 VR103 d ooa TP91 6 VR451 A EA KE SW301 G R B 5 IC401 8 TR402 gt 5 O 3 TR4
18. GNAL INVERSION CIRCUIT BOARD WF 0029 3101 9106 250536 F G 1 8v 9 1 4V H 1 3V H 1 4V MI SYNC ANP T G 1SC94SA P Q 2SC945E P Q CONTROL CIRCUIT BOARD U885493 HORIZ VERT VERT Ed I vu vR3S3 r VRISS YAI I TO MAIN CHASSIS TP91 6112804 GFOI82XM uu ANOS AA 6 096 8 50x B 10K TO MAIN CHASSIS CIRCUIT BOARD CIRCUIT Foss 611288 GF01828 Forze BOARD B 4v v e JU Lo TSOV H ST case iis Gua 200 I Tu 3 AUDIO c OUT sor A K901 paa HORIZ OUTPUT A WARNING A Peu A WE This product contains critical electrical and mechanical parts essential for X ray WT TS DR 2s08984 05 radiation protection For continued protection use only type parts shown in the n parts list The 44 symbol and the shaded areas on this schematic diagram indicate parts essential for X ray radiation and safety protection MAIN CHASSIS CIRCUIT BOARD UF 0276 Service work should only be performed by a qualified service technician Before servicing or testing this display you must install an isolation transformer between the AC supply and the AC plug of the monitor The chassis and the heat sink are directly connected to one side of the AC line and therefore could present a shock hazard The supply voltage of the video display is 90 110 V 50 60 Hz 20 Sanyo 19 Standard Resolution Display PICTURE TUBE SOCKET BOARO 0885749
19. OI 560 RED a suue B 3k NvERI uT VE Y 59 Jarouro RIS an ef ls Rio 10k el ptt IK RIo3 310 2p n 100 R BDFFER aic e 23C53HP 6 ezo FROM i T2k MAIN CIRCUIT BOARD BA2 Riza Te22 Rut 41K 1 33K 9103 B GAIN G REN enak ES g AAA Ll 3 alos e 5366 4 m f YRI03 B 3K mun 25536058 23 NON INVERT OUI ae Y 35 RI Riz RI3I cx RZS R130 clo3 ae 100 UR 390 ap 2k IK SIGNAL CIRCUIT 22ARD uroo23 A WARNING A This product contains critical electrical and mechanical parts essential for X ray radia tion protection For continued protection use only type parts shown in the parts list The symbol and the shaded areas on this schematic diagram indicate parts essential for X ray radiation and safety protection Service work should only be performed by a qualified service technician Before servicing or testing this display you must install an isolation transformer between the AC supply and the AC plug of the mon itor The chassis and the heat sink are di rectly connected to one side of the AC line and therefore could present a shock hazard The supply voltage of the video display is 90 110 V 50 60 Hz Figure 7 Sanyo Model 20 EZV Video Display Schematic Diagram Sheet 2 18 Sanyo 19 Standard Resolution Display N O 19 Sanyo 19 Standard Resolution Display TR205 TR206 TR207 TR208 T8210 TR21 2SCS361F G X3 2SC945A P QIX3 G ORT 2SC945L P Q X3 ya SI
20. UND 152076 or DS442 ACor AD bl SYNC m R28 RED E 1200 Bias com CONTROL m Fun 16EE BLUE O JTPUT dee CONTROL W pri TR252 T Hakan Gi 2sA558 z VR255 C252 VR255 R287 D212 151555 152473 152078 05442 TO CONTROL CIRCUIT BOARD D302 151555 152078 152473 or DS442 3 C404 Lt caos SOF 50EE 0 058 10 zak JOEE CAS3 C452 SOE doi VERT DRIVE VERT OUTPUT 11 TR402 25C2073R D E or 250901 D El VERT OUTPUT 1 TR403 2SAS40R D E or 2SBS46A 1 D E D405 cio SOF paos SIE TT naa 160EE TO CONTROL 03 20 100 CIRCUIT BOARD nee R420 FT B3 FI FM A1 R426 1 12F YY C411 O O 680 D406 18 25EE Fu las R405 ISIBPTV 4 7 NP 55K TH401 Q SOT 1000 B1 FJ FK laz SYNC SEP HORI O ES VERT OSC Z Lan R403 R424 hell Rage 1 IC401 LA1464 Tsor 270K mK a as mpa R407 CASA 12K SOEE HI R459 i 6800 R462 R491 C459 j 443 nasa K 16EE 2R M 18K 100 16 74 con R467 A 0033 5600 heed Lasz un CASS C486 Spoo T35 4 05 SON aie Arco 71938 A Cr Y Da5 R482 2700P T T 2200P 500C ng 8 lt RU 2 1 2N T mE 4700P T n i R419 or ERC24 ES 1K l 1 120 04 ia 1200 EY 1255 C473 CAMS C474 es E m 24003 2009 2098 20000 kio Aoz3s cano 1 E 4900p 200p 500p DY doc i S i e EN 04 HORIZ DRIVE HORIZ OUTPUT a oe TAASI 8302 ie G GREEN ome Y YELLOW e iaa
21. ay has three sources of possible danger e Strong electric shock due to high voltage or AC line voltage e X ray radiation e Implosion Therefore never modify any circuit in this display Do not service this video display until you are thoroughly familiar with all warnings and safety measures given in this chapter 4 WARNING A High Voltage This display contains high voltages capable of delivering lethal quantities of energy To avoid danger do not at tempt to service the chassis until you have observed all precautions necessary for working on high voltage equipment X Radiation This chassis has been designed for minimum X radiation hazard However to avoid possible exposure to soft X radiation it is imperative that you never modify the high voltage circuitry Implosion Hazard If you drop the display and the picture tube breaks it will implode Shattered glass and the yoke can fly 6 feet or more from the implosion Use care when replacing any display Safety Measures Good safety habits will allow you to automatically take the proper precautions even if you are rushed Whenever you work on a display always ground the chassis first Also use only one hand This avoids the possibility of carelessly put ting one hand on the chassis or ground and the other on an electrical connection Doing so could cause a severe electrical shock If you service the Sanyo Color Raster Display on a test bench use only the pow
22. due OTHERWISE OMITTED LR SN RATING VOLTAGE THE UNIT R471 3ol TP452 V OR WV IS OMITTED 10K RMLE CA68 AS TO SOV C TYPE CAPACITORS VALUE or S1B0 02 25EE IS ONLY GIVEN R469 R41 IR z TO 100K IK iK mis PICTURE 3 THIS BEING A FUNDAMENTAL SCHEMATIC AN MORIZ OUTPUT TUBE THERE WILL BE SOME CASES THAT THE SOCKET REAL CIRCUIT DOES NOT COINCIDE IRANS TP4s Bill em BOARD WITH THIS A mm an 1 7 RESISTOR TYPE T ni k F INSULATED FIXED CARBON FILM VIN RESISTOR te 4 Focus N INSULATED METAL FILM FIXED A RESISTOR t R INSULATED FIXED METAL OXIDE AOA FILM RESISTOR u nga Q Y INSULATED WIRE WOUND FIXED CE Mes FED M 160E Es Lan o MX C o COMPOSITION B R GE 39 A oA C466 an T n or ERC24 7 73095 gs os JE ec CAPACITOR TYPE I I 1 t ak P AM y fe FIXED CERAMIC CAPACITOR eth ANA EH EE RADIAL TYPE ALUMINUM i EOE ELECTROLYTIC CAPACITOR STARS Be A der F POLYESTER FILM CAPACITOR N POLYPROPYLENE FILM CAPACITOR NP NON POLAR ALUMINUM ELECTROLYTIC CAPACITOR Figure 7 Sanyo Model 20 EZV Video Display Schematic Diagram Sheet 1 I7 Sanyo 19 Standard Resolution Display FROM R134 pie MAIN CIRCUIT BOARD Oo gt AS R102 RIOS REST C104 C105 1 ask wk 630 Da isok G BUKFER 001 25 E DOE yz XX amp GA aioz PS 101 250 536 F 4 k GREEN Rio 21 C5360 3l wil 2 TRI
23. e 3 shows the location of H HOLD control VR451 on the Main Chassis PCB Adjust this control until the black lines no longer slant downward or upward and you get a normal screen image Sanyo 19 Standard Resolution Display 4 Signal Test Points RGB Signals The red green and blue signals can be checked at the col lectors of TR251 Red TR253 Green and TR252 Blue These transistors are located on the Picture Tube Socket PCB Sync Signal The negative composite synchronization Sync signal can be checked at pin 6 of the 6 pin video signal connector which is located off of the Signal Inversion PCB Do not jam a test probe into the connector pin because this may cause the pin to stretch and fall out of the connector housing 5 Repair A WARNING A Before removing or installing any component of this dis play always disconnect the power source Observe the precautions regarding high voltages and cathode ray tube handling when servicing this display NOTE The tools required to replace these assemblies include 5 16 inch hex socket wrench Phillips screwdriver and a soldering iron Cathode Ray Tube Replacement 1 2 Disconnect the 6 pin video signal connector located off the Main Chassis PCB Remove the display assembly from the cabinet as de scribed in the game manual Discharge the high voltage from the cathode ray tube CRT as follows a Attach one end of a well insulated 20 kV r
24. e display assembly from the cabinet as de scribed in the game manual 3 Discharge the high voltage from the CRT as described in step 3 of Cathode Ray Tube Replacement Unplug the Picture Tube Socket PCB from the rear of the CRT Use a thin knife or a single edged razor blade and care fully loosen the three rubber wedges from the CRT sur face Loosen the Phillips head screws used to tighten the two neck clamps around the neck of the CRT Slide the magnet assembly and the yoke assembly off the end of the CRT Replace the yoke assembly in the reverse order of re moval Horizontal Output Transformer Replacement 1 Disconnect the 6 pin video signal connector located off the Main Chassis PCB 2 Remove the display assembly from the cabinet as de scribed in the game manual Sanyo 19 Standard Resolution Display Discharge the high voltage from the CRT as described in step 3 of Cathode Ray Tube Replacement 4 Open the anode holder and remove the anode lead Unplug the Picture Tube Socket PCB at the rear of the CRT Then unsolder the white wire on the Main Chas sis PCB goes to AO and white wire goes into the socket on the Picture Tube Socket PCB Remove the Phillips head screws that secure the metal cover over the transformer Remove the Phillips head screw holding the metal bracket to the right side of the transformer Unsolder the 11 transformer connections on the bot
25. er supply that came with the game or a 100 VAC isolation transformer Refer to the parts list in the game manual for the Atari part number of the power supply as sembly Do not use line voltage because the voltage pro duced by this source will damage this display To prevent fire or shock hazard never expose this display to moisture Periodically check for frayed insulation on the wires within the display If frayed wires are found replace them with the same gauge and length of wire Always observe the original lead dress routing and length of harness wires Use extra precaution in the high voltage circuitry areas ofthe display Ifa short circuit occurs replace any components that indicate they may have overheated Sanyo 19 Standard Resolution Display Main Chassis PCB Picture Tube Socket PCB Control PCB Figure 1 Overview of Sanyo 19 Inch Color Raster Display Cathode Ray Tube Handling Wear safety goggles and heavy gloves for protection when ever you handle a cathode ray tube CRT Keep other peo ple away if they are not wearing safety goggles Never lift the CRI by the neck the neck should only be used to guide the lifting process Use extreme care when handling the CRT Rough handling may cause the CRT tube to implode Do not nick or scratch the glass or subject any undue pressure upon the tube at any time If servicing the CRT first discharge the high voltage on the anode connection to chassis gro
26. ervice for a period of thirty 30 days from date of shipment None ofthe Seller s other products or parts thereof are warranted If the products described in this manual fail to conform to this warranty Seller s sole liability shall be at its option to repair replace or credit Buyer s account for such products which are returned to Seller during said warranty period provided a Seller is promptly notified in writing upon discovery by Buyer that said products are de fective b Such products are returned prepaid to Seller s plant and c Seller s examination of said products discloses to Seller s satisfaction that such alleged de fects existed and were not caused by accident misuse neglect alteration improper repair installation or improper testing In no event shall Seller be liable for loss of profits loss of use incidental or consequential dam ages Except for any express warranty set forth in a written contract between Seller and Buyer which contract supersedes the terms herein this warranty is expressed im lieu of all other warranties expressed or implied including the implied warranties of merchantability and fitness for a particular purpose and of all other obligations or liabilities on the Seller s part and it neither assumes nor authorizes any other person to assume for the Seller any other liabilities in connection with the sale of products by Seller The use of any non Atari parts may void your warranty
27. esistive jumper to ground b Briefly touch the free end of the resistive jumper to the anode by sliding it under the anode cap c Wait two minutes d Discharge the anode again e Carefully remove the large high voltage anode con nector from the cathode ray tube Unplug the Picture Tube Socket PCB from the rear of the tube Unplug the degaussing coil 2 pin connector from the Main Chassis PCB 6 Unplug the 4 wire connector attaching the yoke wires to the Main Chassis PCB 7 Unhook the spring that holds the braided ground wire located near the bottom corner of the CRT 8 Use a s inch hex socket wrench to remove the four screws holding the CRT to the steel frame 9 CAREFULLY remove the CRT by easing it out the front of the chassis 10 Place the CRT on a soft mat in a protected location 11 Install a CRT in the reverse order of removal Then ad just the SCREEN control G2 as follows a Apply power to the display b Turn the Brightness control on the Control PCB to the fully counterclockwise position c Adjust the Screen control for a dimly lighted screen This control is attached to the honzontal output transformer as shown in Figure 3 d Readjust the Brightness control as described in Chapter 3 Yoke Replacement NOTE You must reconverge the picture whenever the voke is replaced 1 Disconnect the 6 pin video signal connector located off the Signal Inversion PCB 2 Remove th
28. h a game Published by Atari Games Corporation 675 Sycamore Drive P O Box 361110 Milpitas California 95035 Printed in the U S A 9R Table of Contents 1 Warnings and Cautions DNE cna qa rRE AXES OR book va rb x Safety oto o Ma qM C KORE HRA SEE Cathode Ray Tube Handling Wi tais cantons ea ewe Beplscswitir Proper Components cnor seser nario eN ERES Final Testing Before Reinstalling Displays svi eus eeensankatuuutaz wee kr xus 2 Specifications Power Tapas SDA crias ds vase none eR ee pend eee T RETE Jempe and Humidity regina uranio oes Ae VIDES cuando sE XA Ha ICRA RA CRE o La so sek tab EVA Se ERA EN CREE See YAT EFEXFEN EX NV Conec id Lp ed AAS ORE E ERGY SE URR DRE EN ARR ERA eae eee hes PAEO A Voti Mao s o BEES CER RC o o Re FR EP 3 Control Adjustments BHO AAA DOMUI uq der ETRE sata cid one KUVU RE ERO RE CER CREE DWE Veg i VES Honzontal CODE ve en oe KP ri kp Re OHNE EAN EPIA Rara m NODO disauasawbea zer ke whaorFARPXETESEQ P ORAETRKAe ropas zt A tr oe Aon s IA de Vo d ELE RUNE A Se OAR a ew do saa eB 5 Repair Cathode Ray Tube Replacement v seexvesaxervntaakiaeds haa Ko mnm Aa pe gs oi Sn ed aso RR EROR ere ee EK E E Ae RR ee Horizontal Output Transformer Replacement 6 Adjustments Pirity AOI aenaran BEN RRS TUN wA de d Na EVA ga pauxa XR edes d d CONE AU 1 4 dace rn SoH ines AAA ARES DR Adjustment amp esas ad accrue eade du eV AERA dd Vae
29. ntrol should be adjusted if the screen image is either not filling the screen vertically or if it is ov erscanning the screen vertically Figure 3 shows the location of V SIZE control VR354 on the Control PCB 1 Set the game for the diagnostic test that displays the con vergence grid and dots 2 Adjust V SIZE control until the top and bottom grid lines are along the top and bottom edges of the screen These grid lines should not disappear off the edges of the screen which would indicate overscanning Horizontal Width The Horizontal Width coil should be adjusted if the screen image is either too wide or narrow Figure 3 shows the lo cation of HORIZ WIDTH coil L453 on the Main Chassis PCB 1 Set the game for the diagnostic test that displays the con vergence grid and dots 2 Use only a non metallic Allen wrench commonly called a tweaking tool to adjust the Horizontal Width coil until the right and left grid lines run along the edges of the screen These grid lines should not disappear off the edges of the screen which would indicate overscanning Focus The Focus control should be adjusted if the screen image is not sanyoly defined The Focus control is attached to the top ofthe horizontal output transformer as shown in Figure 3 Turn this control until you get optimum screen sanyoness Horizontal Hold The Horizontal Hold control should be adjusted if the pic ture is drifting sideways across the screen Figur
30. ondensing Current and Voltages CRT Anode Current Less than 650 pA Average High Voltage 24 kV 1 5kV CRT Specifications Convergence Tolerance At Screen Center 0 010 inch 0 25 mm maximum misconvergence At Screen Edges 0 020 inch 0 5 mm maximum misconvergence Color Purity Practically uniform throughout the screen area after degaussing with a hand held degaussing coil Scan Rates Horizontal 15 75 kHz within 500 Hz Vertical 60 Hz within 5 Hz CRT Type 510UTB22 19 inch 90 Tilt of Deflection Yoke Declination ofa horizontal line is within 0 10 inch 2 54 mm Connectors 6 Pin Connector for Video Signais Pin 1 Green Pin 2 Red Pin 3 Blue Pin 4 Ground Pin 5 Ground Pin 6 Negative Composite Sync 3 Pin Connector for Power Pin 1 100 VAC Pin 2 No Connection Pin 3 Neutral Pattern Size You should be able to reproduce the patterns as shown in Figure 2 Sanyo 19 Standard Resolution Display Maximum Size Minimum Size CRT Figure 2 Display Pattern Sizes 3 Control Adjustments A WARNING A Remember to observe the precautions regarding high voltages when making adjustments to this display NOTE Too high a brightness level will cause the retrace lines to show too low a level will cause the entire screen to be dark and obscure NOTE Before making any of the following adjustments turn on the display and allow it to warm up for at least 5 minutes Brightness The BRI
31. t tern c Rotate and spread the tabs of the purity magnets until the screen image is centered both honzontally and vertically See Figure 6 d Readjust the purity magnets for a uniformly red screen This may interact with the previous adjust ment made in step 2c 3 Adjust for green purity as follows a Turn off the red and blue guns ofthe CRT by rotating the R BIAS VR251 and B BIAS VR252 controls to the fully counterclockwise position b Readjust the purity magnets 1f necessary for a uni formly green screen This may interact with the pre vious adjustment 4 Adjust for blue punty as follows a Turn offthe red and blue guns ofthe CRT by rotating the R Bias and G Bias controls to the fully counter clockwise position b Readjust the purity magnets if necessary for a uni formly blue screen This may interact with the pre vious adjustments 5 Return the R Bias G Bias and B Bias controls to their original settings Check the screen for a pure white dis play that is not tinted with other hues 6 Reinstall the display in the game 7 Perform the convergence adjustments Convergence Adjustments l Adjust for static convergence screen center as follows a If you will also be converging the outer area of the picture loosen the mounting screws for the deflec tion yoke and magnet if not already done as part of the punty adjustments b Setthe game to display the self test diagnostic pattern tha
32. t shows a black background with white lines and dots Keep this image on the display throughout all convergence adjustments c Turn off the green gun of the CRT by rotating the G Bias control to the fully counterclockwise position Figure 4 shows the location of the Bias controls d Adjust the angle of the center pair of magnets to su perimpose the red and blue vertical lines in the center of the screen area See Figure 5 e Keeping their angles the same rotate both tabs of the center pair of magnets to superimpose the red and blue horizontal lines in the center of the screen area f Turn on the green gun of the CRT by returning the G Bias control to its original setting g Adjust the angle of the rear pair of magnets shown in Figure 5 to superimpose the green vertical lines on the red and blue ones already in the center of the screen h Keeping their angles the same rotate both tabs of these magnets to superimpose the green horizontal lines on the red and blue ones in the center of the screen 2 Adjust the dynamic convergence outer screen as fol lows a Use a razor blade or thin knife and carefully loosen the glue holding the three rubber wedges beneath the yoke collar Remove these wedges GREEN RED amp BLUE CONVERGENCE CONVERGENCE 10 PURITY Sanyo 19 Standard Resolution Display PICTURE TUBE APPROX 2 INCHES GUN ASSEMBLY GAP Figure 6 Purity and Convergence Adjustments Check
33. und not to the cabinet or other mounting parts See Chapter 5 step 3 of the Cathode Ray T be Replacement procedure to discharge the high volt age Replace with Proper Compo nents Maintain the specified values of all components within the display Failure to do so could cause a rise in the high voltage The cathode ray tube of this display employs integral implo sion protection For continued safety replace it only with a tube of the same type number Refer to the parts lists in Chapter 7 of this manual For continued product safety use only exact replacement parts especially for those parts identified in the parts lists with the A symbol and on the schematics with shading Final Testing Before Reinstalling Display Before reinstalling this color display into the game you must check the following l Inspect all harness wiring within the display area Be sure no wires or cables are pinched between the cabinet and other parts in the display 2 Replace all protective devices such as insulating fish paper compartment covers and shields Sanyo 19 Standard Resolution Display 2 Specifications Power Input and Consumption Line Voltage 100 VAC within 1096 and 1596 Line Frequency 47 to 63 Hz Power Consumption 74 W maximum Temperature and Humidity Ambient Air Temperature Operating 0 C to 55 C 32 F to 130 F Non operating 40 C to 65 C 40 F to 149 F Humidity 10 to 90 non c
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