Mattel IntelliVision II 5872 Service Manual Download Page 20 | Manualshive

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Summary of Contents for IntelliVision II 5872

Page 1: ...MODEL 5872 MATTEL ELECTRONICS 5150 Rosecrans Avenue Hawthorne California 90250 I...

Page 2: ...TING INSTRUCTIONS Page 2 3 SYSTEM DESCRIPTION AND OPERATION Page 5 4 SYSTEM TESTING Page 9 5 DISASSEMBLY PROCEDURE Page 9 6 PRELIMINARY CHECKLIST Page 10 7 TROUBLESHOOTING Page 11 _ 8 ADJUSTMENTS Page...

Page 3: ...pable of producing three simultaneous sound patterns COLOR REPRODUCTION 16 different color hues Black Blue Red Tan Dark Green Light Green Yellow White Gray Cyan Orange Brown Magenta Light Blue Yellow...

Page 4: ...ROM TV ANTENNA OR ANTENNA SYSTEM to the GAME position 3 Set the television receiver to channel 3 or 4 whichever is not used in your broadcast area Place the RF channel select switch located at the bac...

Page 5: ...direction of the television screen UP on the disc toward the 3 keypad is UP on the screen etc For further instructions refer to the individual game cartridges To operate the directional disc depress...

Page 6: ...g into rear 01 Master Component HAND CONTROLLER ANTENNA SWITCH BOX To be located on rear of TV ON OFF RESET BUTTON 0 Figure 3 MATTEL INTELLIVIS COLOR TELEVISION MASTER COMPONENT GAME CARTRIDGE o ASTER...

Page 7: ...ele vision receiver is used for the audio output CONSOLE ASSEMBLY The Console Assembly contains all electrical circuitry necessary for recall and processing of the program data stored in the game cart...

Page 8: ...hmically computes the game action against program material stored in the ROM game cartridge The Standard Television Interface Chip STIC interprets a condensed memory area and uses the information to g...

Page 9: ...GE ______ J POWER SUPPlY SCRATCH PAD RAMS 21UL PROGRAM ROM RO 3 9506 L s SOUND GENERATOR AY 3 8914 HAND CONTROLLERS CPU CP 1610 SYSTEM RAM RA 3 9600 1 3 lINEAR ANALDG 1A GRAPHICS STIC OIGITAL AY 3 890...

Page 10: ...h serves as the control decoder for CPU control data The System RAM receives data from the CPU via a 16 bit bidirectional time multiplexed bus The direction of data travel is from the CPU to the graph...

Page 11: ...cedure section for instructions on testing the wall mounted C adaptor Disassemble the Master Component only to the extent necessary to accomplish repairs WARNING MAKE SURE THE MASTER COMPONENT IS UNPL...

Page 12: ...ntenna connector on TV Make sure Antenna Switch Box is set at TV Make sure that coax cable is attached Adjust TV fine tuning controls If there is broadcast interference from a strong Signal disconnect...

Page 13: ...shoot a defective Master Component start at the beginning of this troubleshooting procedure and fOllow through until the problem is corrected Famili arity will quickly be gained in identifying the app...

Page 14: ...gpear seconos so Ihe waveform does not disappear 10 NO Replace In the lollow ng oraer U1 U2 then Check lor oroken or ShorltO PC traces CheCk U9 for shorted or bent pms at game cartridge Sockel JI Repl...

Page 15: ...ite screen with NO Clock circuitry not functioning Review procedure in Troubleshooting flash observed on the TV Guide on troubleshooting clock screen when the reset switch circuitry is depressed 5 7 V...

Page 16: ...ing order Ul U2 U4 U3 or U6 Review procedure in Troubleshooting Guide on checking bus control signlls Remove any foreign mattrial or solder shons Insen test canridge Ind Dilgnostic Test Routine Replec...

Page 17: ...is defective ciated traces on the Logic Board Other les are defective Replace in the following order U4 U2 Ul U12 and U13 The picture suddenly goes The test cartridge is defective Try another cartridg...

Page 18: ...he wrong frequency STIC U4 or Color UIO IC are defective Solder bridges or foreign material causing a shan 17 Check all TV controls Check the frequency at pin 15 of U I O It should be 3 579545 MHz 1 1...

Page 19: ...I I I I s J r r w _ a o _ _ _ flrU _ _ o 1 _ _ 0 18 I r I r I I o i I F I 1 J o t J z z c o III U Q I Ul Ol...

Page 20: ...P2 TP1 Figure 6 Power Supply Board TP1 TP 2 _ 16 20VAC TP3 TP4 TP5 TP6 TP7 TP8 Ground Connection 2 10 to 2 40 VDC 5 45 to 5 95 VDC 11 5 to 12 5 VDC 4 85 to 5 15 VDC Control 21VDC unit Off 5VDC unit On...

Page 21: ...requency core on RF Modulator so frequency counter reads 61 250MHz 250kHz Use only a non ferrous adjustment tool SOUND VIDEO CAUTION Use care not to damage the core 4 Set Channel Select switch to chan...

Page 22: ...esistor 150 ohm 5 1 4W 0095 0580 Resistor 10K ohm 5 1 4W 0095 0022 Resistor 18K ohm 5 1 4W 0095 0082 Capacitor 0 1 uF 25V 0085 1510 Capacitor 20pF 15V NPO 0085 0720 Capacitor variable 5 50pF 0099 0730...

Page 23: ..._ 4 10 14 5 I I i 8 11 Figure 7 EXPLODED VIEW OF MASTER COMPONENT 22 3 2 I J...

Page 24: ...Amp 0089 0115 Ferrite Sead 0099 1360 Power Supply Board with parts 5872 9539 ON OFF RESET Button 5872 2129 Spring RESET Button 2609 4269 Pushnut Fastener 0405 0852 Upper Housing Assembly upper housing...

Page 25: ...DISASSEMBLY NOTES 24...

Page 26: ......

Page 27: ...o I Z VJ OO C OOD 0 0 0 0 I I II I t o 1 i I 1 Q0 t 0 0 7 V 4 1 r a I...

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