Denon DN-730R User Manual
Demon, Dn-730r, Nippon columbia co.. ltd
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DEMON
- I ! I I I I , f r ' \
SERVICE MANUAL^
MODEL
DN-730R
STEREO CASSETTE TAPE DECK
in
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-
— TABLE OF CONTENTS —
BLOCK DIAGRAM........................................................................................................................................................ 4
ADJUSTING THE ELECTRICAL SECTIONS........................................................................................................ 9~10
NOTE FOR PARTS LIST............................................................................................................................................10
PARTS LIST OF 3U-2584 AUDIO METER UNIT................................................................................................. 11-13
EXPLODED VIEW OF CASSETTE MECHANISM.....................................................................................................16
P.W. BOARD OF 3U-2584 AUDIO/METER UNIT...................................................................................................... 18
BUNDLE DIAGRAM................................................................................................................................................... 21
NIPPON COLUMBIA CO.. LTD.
Document Outline
- DEMON
- SERVICE MANUAL^
- — TABLE OF CONTENTS —
- i'SPECIFICATICMSIS
- -LEVEL DIAGRAM
- PLAYBACK SYSTEM
- RECORDING SYSTEM
- j DISASSEMBLY INSTRUCTIONS j
- 1. How to Remove the Front Panel
- 3. How to Remove the Mec hanisms
- 4. How to Remove the Meter Circuit Board
- 2. How to Remove the Front Escutcheon Ass'y
- 1. Replacing-the Pinch Roller (36)
- 2. Checking the Pressure Force of the Pinch Roller (36).
- 3. Replacing the Record/Playback Head (14)
- 4. Replacing the ERASE HEAD (15)
- 5. Checking the Take-up Torque
- 6. Checking the FF and REW Torques
- 7. Checking the Back Tension Torque During Record/Playback
- 9. Checking the Existence of a Cassette Housing and the Operation of the Erase Prevention, Metal and Chrome Switch
- 4. Adjusting the Playback and Recording Section
- ADJUSTING AND CHECKING THE ELECTRICAL SECTION
- Caution on adjusting
- 1. Tape Transport Check
- Adjusting the Azimuth
- EQUIPMENT FOR ADJUSTING AND CHECKING
- • Part indicated with the mark '' ® ” are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused.
- •When ordering of part, clearly indicate “1” and ‘T (i) to avoid mis-supplying.
- • Ordering part without stating its part number can not be supplied.
- • Part indicated with the mark is not illustrated inthe exploded view.
- • Not including Carbon Film ±5%, 1/4W Type in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.) WARNING:
- Parts marked with this symbol A WBSS have critical characteristics.
- Use ONLY replacement parts recommended by the manufacturer.
- □N-730R
- iDN-yaOR
- PARTS LIST OF 3U-2603 POWER SUPPLY UNIT
- PARTS LIST OF EXPLODED VIEW
- EXPLODED VIEW
- PACKING & ACCESSORIES
- P.W. BOARD OF 3U-2603 POWER SUPPLY UNIT
- SEMICONDUCTORS
- • 1C
- WIRING DIAGRAM
- SCHEMATIC DIAGRAM
- SERVICE MANUAL^