RCAメーカー18V100の使用説明書/サービス説明書
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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.
デバイスRCA 18V100の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
RCA 18V100をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはRCA 18V100の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。RCA 18V100の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。RCA 18V100で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
RCA 18V100を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はRCA 18V100の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、RCA 18V100に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちRCA 18V100デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。