Instruction/ maintenance manual of the product 18V100 RCA
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>~ Service Manual RCA Model 18V100 Home TV Programmer itc/i l, w Studio II <, Home TV Programmer, Model 18V100 Operation • Testing • Disassembly Parts List ^.
PRODUCT SAFETY NOTICE Studio II uses an isolated power supply to operate the electronic circuitry. The leakage current to ground of this power unit should be checked at time of game repair.
r r POWER SUPPLY UNIT 18 FOOT CONSOLE CORD TV/STUDIO II SELECTOR SWITCH KEYBOARD A ON/OFF INDICATOR LIGHT STUDIO II CONSOLE CLEAR BUTTON KEYBOARD B CHANNEL 2/CHANNEL 3 SWITCH SOUND ON/OFF SWITCH (UNDER CONSOLE) Figure 1.
Studio II Servicing The recommended Studio II service procedure is to deter- mine whether the problem is in one of the periphery components, the interconnecting cables or in the console itself. If the PC board in the console is found to be faulty, it must be returned to RCA for repair on an exchange basis.
f r r is indicated on the TV screen; if there is no trouble, the cartridge sets up a test for the two keyboards. NOTE: The Test Cartridge requires substitution of the power unit during test. Use the special 500mA power unit (see Parts List) instead of the original power unit.
laxoos IT QdVO 3HV0 -M- -c+- !<<>£: sj sj J Figure 10. Overall Block Diagram of Studio II System.
r* r satisfactory keyboard function), the pattern shifts to the "OK" pattern of Fig. 9d. The pattern flip-flops between black-on- white and white-on-black until the "Clear" button is actuated. If the "Clear" button functions normally, the whole sequence starts again as the button is released.
The keys of Keyboard B "write" on the screen according to the white arrowheads on the keyboard (Fig. 15). To form an interesting pattern, press "Clear" key, then A2, B2 15 times, B6 once, and then BO. The memory stores up to 130 key entries or "moves".
r <** r 50 ohms resistance with negative ohmmeter polarity on the center conductor. (With positive polarity on center conductor, resistance should be between 20 and 30k ohms.
^J Figure 23. Studio II Console Assembly 10.
r ~ r CONSOLE DISASSEMBLY The console consists of six separate subassemblies: the two halves of the cabinet, printed circuit board, two keyboards, and a "Clear" switch/power-on indicator. The upper and lower halves of the cabinet are separated by removing 5 Phillips-head screws.
cable in slot in cover (Fig. 27). Shield must be fully seated to minimize radiation of modulated carrier. 4. From underside of cover, bend clipped pigtails back and collapse black plastic holder with needlenose pliers or diagonal cutters. Remove holder from console holes using pliers or cutter.
r nected with reversed polarity. Use fabricated tool (Fig. 28) to push LED into holder. LED "clicks" into place. Any tool without a shoulder usually pushes LED out of the holder. 7. Form snipped leadwires as shown in Fig. 31 and connect new LED pigtails to them.
PC Board Exchange EXCHANGE PLAN DESCRIPTION RCA operates a PC board refurbishing facility at Swannanoa, North Carolina. Defective PC boards sent to this facility are refurbished and returned to the sender at a cost of $1 5.00* provided, of course, the exchange board is repairable.
r s r ~ C/3 I h- e? z: o _i < i- o LLi _l 00 I o o < h- O 1 STUDIO II PC BOARD 1 Please pack completed questionnaire in container 1 (Price subject to change without notice.) < 1 Please describe defect symptom (s). (Nodisplay, 1 partial display, no sound, etc.
^ ^ "j 3 RCA | Distributor and Special Products Division | Deptford NJ 08096 Tmk(s) ® Marca(s) Registrada(s) Printed in U.S.A. 11/77 Form 3E4589 J.
An important point after buying a device RCA 18V100 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought RCA 18V100 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data RCA 18V100 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, RCA 18V100 you will learn all the available features of the product, as well as information on its operation. The information that you get RCA 18V100 will certainly help you make a decision on the purchase.
If you already are a holder of RCA 18V100, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime RCA 18V100.
However, one of the most important roles played by the user manual is to help in solving problems with RCA 18V100. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device RCA 18V100 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
