Sharp rt 3838h
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Extracted text from sharp rt 3838h (Ocr-read)
Page 1
= OPTONICA
SERVICE MANUAL
R T8838 H
DE] DOLBY SYSTEM ®
4 "Dolby" and the "Double
* Manufactured under licence from Dolby Laboratories.
ELECTRONIC TAPE
PROCESSOR
MODEL
RT-3838H
[ln the interests OI user-safety the set should be restored to its original condition and only parts identical to
those specified be used."
SPECIFICATIONS
Type: 4-track 2-channel stereo Cassette tape
recorder/ player deck with builtin
Dolby noise reduction system
Power source: AC llO/220/240V, 50/60 Hz
Power consumption: 18 Watts
Semiconductors: l-LSI (Large Scale Integrated Circuit)
7~lC (integrated Circuit)
59-Transistor
34Diode
Z-LED (Light Emitting Diode)
Dimensions:
Width. 442 mm (173/8")
Height: 144 mm (Bell/16")
Depth: 357 mm (14-1/16)
Weight: 9 kg (199 lbs)
Tape: Philips standard compact cassette tape
Wow & flutter:
Frequency response
Use of normal tape:
30 ~ 13,000 Hz
under D|N45 500
Use of FeCr tape:
30 ~ 16,000 Hz
under D|N45 500
0,15% (DIN45 500)
Use of MAXELL UDXLII tape:
30 ~ 15,000 Hz
under DIN45 500
Better than 50 dB, for normal tape
(weighted) at LlNE~IN, without Dolby
Noise Reduction.
Dolby NR effect: 10 dB lat over Ski-l2)
Input sensitivity and input impedance:
S/N ratio
Microphone: 0.2 mV
l6.8l< ohms)
Line 50 mV (54k ohms)
Record/playback socket
O.lmV/l< ohm
Output level and loaded impedance:
Headphones: 89 mV
(0' VU), 8ohm
Line: 775 mV ('OVU)
50k ohms
Record/playback socket.
775 mV (0 V0)
SHARP CORPORATION OSAKA, JAPAN