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Exactly the JVC service manual and schematics that I was looking for - delivered just hours after order. Will do business again!
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This is a fantastic site, ad I have been a returning satisfied cusumer!
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Je suis audiophile belge, électronicien et créateur d'enceintes acoustiques.
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Frédéric
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The cover page was a little scary, very dark but readable. The remainder of the document was better copy and easily readable. Why would I give 5 Stars? (1) PRICE, (2) AUTHENTICITY, It was the real deal, filled with service information, including the specific information I required. (3) PRIVACY, I didn't start to get slammed with spam. (4) EASY TRANSACTION. Painless. (5) COMPLETE, I have found several manuals here, that I could find nowhere else. (6) I will be a repeat customer!
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Regards, Maurizio
TABLE OF CONTENTS 1. SERVICING NOTE .......................................................... 3 2. GENERAL .......................................................................... 4 3. ELECTRICAL BLOCK CHECKING ...................... 5 4. DIAGRAMS
4-1. Circuit Boards Location ........................................................ 6 4-2. Schematic Diagram � Main (1/3) Section � .......................... 7 4-3. Schematic Diagram � Main (2/3) Section � .......................... 9 4-4. Schematic Diagram � Main (3/3) Section � ........................ 11 4-5. Printed Wiring Board � Main Section � .............................. 13 4-6. Printed Wiring Board � Display Section � .......................... 15 4-7. Schematic Diagram � Display Section � ............................ 17 4-8. Schematic Diagram � Panel Section � ................................ 19 4-9. Printed Wiring Board � Panel Section � .............................. 21 4-10. IC Block Diagrams ........................................................... 23 4-11. IC Pin Functions ............................................................... 26
5. EXPLODED VIEWS
5-1. Case Section ........................................................................ 28 5-2. Chassis Section ................................................................... 29
6. ELECTRICAL PARTS LIST ........................................ 30
SECTION 1 SERVICING NOTE
FACTORY SET
Mode which sets the preset settings of the unit to that at shipment. Procedure: While pressing the VIDEO button and TV/SAT button together, press the 1/u button to turn on the power. �FACTORY� will be displayed and factory settings executed.
INITIALIZATION
Mode which erases all the preset settings of the unit. Use this mode when returning the unit to the customer. Procedure: While pressing the VIDEO button, TV/SAT button, and TAPE/MD button together, press the 1/u button to turn on the power. �INITIAL� will be displayed and initialization executed.
FLUORESCENT INDICATOR TUBE LIGHTING CHECK
Mode which lights up the whole fluorescent indicator tube or partially. Procedure: While pressing the TV/SAT button and TAPE/MD button together, press the 1/u button to turn on the power. The fluorescent indicator tube will light up in about 0.5 seconds, and then start to light up partially. After partial lighting completes, the BASS BOOST indicator will light up, �FINISH� will be displayed, indicating that fluorescent indicator tube lighting check has completed.
SWITCHING OF 9 kHz/10 kHz AM CHANNEL STEP
The AM channels of this unit can be switched between 9 kHz and 10 kHz. Procedure: Set FUNCTION to AM and turn off the power. While pressing the TUNING + button, press the 1/u button to turn on the power. �9 k STEP� or �10 k STEP� will be displayed, and the channel step will be switched.
�3�
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