Rotel RD 955AX Service Manual

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HOTEL/1,5

STEREO CASSETTE TAPE DECK

RD-955AX

TECHNICAL
MANUAL

TABLE OF CONTENTS
Specifications ...........
Chassis Layout...
Adjustment .......
PC Board Assy
Printed Circuit Boards.
Wiring Diagram ...........
Schematic Diagram
Disassembly Diagram...

THE RDTEL £30.. LTD.

1-35-3, OHOKAYAMA, MEGURO-KU, TOKYO 152. JAPAN

RDTEI. ELECTRONICS GEL. LTD.

3F-2. No.35, FU HSING NORTH ROAD, TAIPEi. TAIWAN, REPUBLIC OF CHiNA MN20001937

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Specrflcatlons RD-955AX
Heads: Rec/ Piay.. .Permalloy core
Erase. .Ferrite core
Track ........... .4-track / 2-channel
Tape Speed .4.8 cm / sec
Motor .............. .Electric Governor
Wow and Flutter. ....O.2 % (DIN) 0.06 % (WRMS)

Distortion (REC/ea, 400 Hz) ....... 2 % (METAL)
Frequency Response (-20 dB):

Normal, LH.... ..... 30 to 15,000 Hz +/-3 dB

Special ..30 to 16,000 Hz +/-a dB

Metal... ..... 30 to 17,000 Hz +/-3 dB
Signal-to-Noise Ratio (WT D. 0 dB = 710 mV, Chromium):

Dolby NR in ................... 64 dB (B Type)

73 dB (0 Type)

Dolby NR out... ..... 55 dB
Input Sensitivity] Impedance:

LINE ............................... 60 mV/ 33 kohms
Output Level/ Impedance:

LINE ............................... 710 mV/ 1.5 kohms

Fast Wind Time (C450) ..... 80 seconds

Chassis Layout

Tape Selector EQUALIZER
Normal, LH.. 120 uS
Special.. 70 uS

Metal. ...220 % 70 uS

MISCELLANEOUS

Power Requirement ......... 120 V/ 60 H2, 220 V/ 50 Hz,
240 V/ 50 Hz (depending on
destinations)

Power Consumption. ....30 watts

Dimension (overall)... ....440 (W) x 121 (H) x 286 (D) mm
17-3/8"x 4-13/16"X 11-1/4"

Weight (net) ....................... 5.6 kg/ 12.32 lbs

0 Specifications and design subject to possible modifica-
tion without notice.

0 Dolby noise reduction and HX PRO headroom exten-
sion manufactured under license from Dolby Iabora~
tories Licensing Corporation.

HX PRO originated by Bang and Olufsen. "Dolby", the
double-D symbol, and "HX PRO" are trademarks of Dolby
Laboratories Licensing Corporation.

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