Optonica rt 1157 hb service manual

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optonica rt 1157 hb service manual

Extracted text from optonica rt 1157 hb service manual (Ocr-read)


Page 1

= Service Manual

figs-95 DE] DOLBYSYSTEM ®

"Dolby" and Double-D symbol are trademarks of Dolby
AUtO Preram searCh SyStem Laboratories. Manufactured under license from Dolby

Laboratories.

STEREO CASSETTE
TAPE DECK

MODEL
FIT-1157 H

(Silver Panel)

RT-1157HB

(Black Panel)

In the interests of user-safety the set should be
(PHOTO . RT-1157H) restored to 115 original condition and only parts
' identical to those specified be used.

INDEX TO CONTENT

Page Number

SPECIFICATIONS ................................................. 2
LAYOUT OF FRONT AND REAR PARTS ............................. 2, 3
MAINS VOLTAGE SELECTION ....................................... 4
DISASSEMBLY ................................................ 4, 5, 6
MECHANICAL ADJUSTMENT ..................................... 7,8,9
ELECTRICAL ADJUSTMENT ............................... 9,10,11,12,|3
CIRCUIT DESCRIPTION ...................................... 14,15,16
EQUIVALENT CIRCUIT OF INTEGRATED CIRCUIT ...................... l7
MECHANISM EXPLODED TOP VIEW .................................. 18
MECHANISM EXPLODED BOTTOM VIEW .............................. 19
WIRING SIDE OF PRINTED WIRING BOARD (1/2) ....................... 20
SCHEMATIC DIAGRAM .......................................... 21,22
WIRING SIDE OF PRINTED WIRING BOARD (2/2) ..................... 23,24
CABINET EXPLODED VIEW ...................................... 25, 26
VOLTAGE ON PRINTED WIRING BOARD .............................. 27
REPLACEMENT PARTS LIST ........................... 28, 29,30,31,82, 33

SHARP CORPORATION OSAKA, JAPAN

RT~1157H

RT-1157HB