Rotel RD 20 Service Manual
This is the 20 pages manual for Rotel RD 20 Service Manual.
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Extracted text from Rotel RD 20 Service Manual (Ocr-read)
Page 1
QUaIIIy. UncomprumIsed
RDTE
STEREO CASSETTE DECK
TABLE OF CONTENTS
CHASSIS LAYOUT (TOP VIEW) .................... 2
CHASSIS LAYOUT (BOTTOM VIEW) ............... 3
ALIGNMENT PROCEDURES
I. RUNNING TEST ...................... 4
ll. CHECKING AUTOSHUTOFF OPERATION ....... 4
IIII TAPE SPEED ADJUSTMENT AND WOW AND
FLUTTER MEASUREMENT ................ 4
IV. AZIMUTH ADJUSTMENT ................. 5
V. PLAYBACK EQUALIZER FREQUENCY RESPONSE
ADJUSTMENT ........................ 5
VI. PLAYBACK LEVEL ADJUSTMENT AND VU METER
CALIBRATION ....................... 5
VII. REC BIAS CARRIER TRAP ADJUSTMENT ....... 6
VIIII RECORDING LEVEL ADJUSTMENT ........... G
IX. REC BIAS ADJUSTMENT ................ 7
x DISTORTION CHECK ................... 7
XI. SIGNAL-TONOISE RATIO MEASUREMENT ...... 7
XII, ERASING FACTOR MEASUREMENT ...... .7
XIII. DOLBY NR CHECK ..................... 8
TROUBLESHOOTING GUIDE .................. . .9
BLOCK DIAGRAM ............................ 9
PLAYBACK/REC AMP CIRCUIT BOARD DIAGRAM ...... IO
MIC LINE & PHONES AMP CIRCUIT BOARD DIAGRAM . . I II
POWER SUPPLY & REC BIAS osc CIRCUIT BOARD
DIAGRAM ................................ 12
TAPE STOP SENSING CIRCUIT BOARD DIAGRAM ...... I2
MECHANISM DISASSEMBLY DIAGRAM ............. 13
SCHEMATIC DIAGRAM ....................... 16
REPAIR PARTS LIST ......................... 2o
Serial Nos. Beginning
NA-30836