Mattel IntelliVision II 5872 Specifications

• • • (\ -• MODEL 5872 MATTEL ELECTRONICS 5150 Rosecrans Avenue Hawthorne. California 90250 • ... , • ~ • • , • ---• • ----I

-----------------------_._-_._--_. __ ... , .. , in the CPU-controlled mode, the graphics control bus links the graphics memory to the CPU ma

• • SYSTEM TESTING DIAGNOSTIC TEST ROUTINE. The diagnos-tic test routine should be performed before disassembly of the Master Component. Full inst

---------------------------_ ... _---. • PRELIMINARY CHECKLIST Before you refer to the TROUBLESHOOTING Section which follows, look at this list of

• • TROUBLESHOOTING From a design aspect. the Intellivision II Master Component is a complex configuration of electronic hardware. However. from a re

TROUBLESHOOTING PROCEDURE: Run the Diagnostic Test Routine." a fault is discovered. then the FAILURE display will indicate the ICs most likely t

------------------------------------------------------._-----If the problem is not found and corrected with the procedures on the previous page, th

i , • ! , • , i , • • , '-SYMPTOM Grey-white screen WITH fllsh ocCllrrin, on tM TV , scre.n when relit switch is depreald. (continued) Incorrect,

• • • • SYMPTOM SUSPECT REMEDY No sound (picture and Sound IC (UG), U3, or U9 is Scope for audio signal at pin 4 of UG video OK). defective. during

• • • 'SYMPTOM SUSPECT REMEDY -I~------------------------------1------------------The picture has the wrong colors or no colo rs_ The TV control

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\ • • TABLE OF CONTENTS -. ,_. . '. . .' 1. SPECiFiCATIONS·,; ... Page 1 • • .. 2. OPERATING INSTRUC

• • .. . TP7 TP5 TP3 ~ TP6 TP4 TP2 TP1 Figure 6 - Power Supply Board TP1 -TP 2 ... ,., ... " _ ... 16-20VA

-------------------_ . .. ADJUSTMENTS MASTER CLOCK ADJUSTMENT. 1. Connect a frequency counter with a high input impedance (lOOK ohms or higher) to pin

-• • REF. DESIGNATION CD (3) o R1, R16·R31 R3 R4 R5 R6 A7 R8 R9 R13 C1·C5, C7·C11, C13·C15, C18, C30, C33,C35,C36 C16 C17 C19 C20 CR1,CR3 CR2, CR5, C

-------------------_ ... . 4 • 10 14 5 • • , , , I I .. ~. i • 8 • • 11 • , / Figure 7 - EXPLODED VIEW OF MASTER COMPONENT -22-3 2 -\ I , J .:,.

• • REF. DESIGNATION Xl Hl 51 S2 Jl P4A. P4B Fl L.l·L.6 o ® ® Q) ® ® @ @ @ @ @ @ @ DESCRIPTION PART NUMBER Crystal. 7.15909MHz +/-0.003% ...•...•

DISASSEMBLY NOTES: • • • • • -24-

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• • SPECIFICATIONS MICROPROCESSOR (CPU) - General Instrument CP-1610 16-bit processor. MEMORY - 7K internal ROM, RAM, and 1/0 structures, remaining

• OPERATING INSTRUCTIONS • A. Connection to the color television receiver • 1. Connect the tWin lead from the antenna switch box to the VHF antenna i

• ,r--. , • _ _ ._ _ ' _________________ ._0" • B. Power Connection 1. Plug the transformer unit into a 120 Volt 60 Hz wall outlet. 2. In

j. , o TRANSFORMER UNIT (Plugs into AC Wall Outlet) POWER PLUG (Plug into rear 01 Master Component) HAND CONTROLLER ANTENNA SWITCH BOX (To be located

---------------------------------.-, .. -.. ~ .. " • • 1. Always use lowest possible brightness and contrast control settings during game opera

---------------------------_ ... _ ... . regulator senses the current drain and varies the duty cycle (on time of the square wave compared

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