Sharp RT-2000H Service Manual

ervice Manual
DO [eacavevere] ©
"Dolby" and "Double-D" symbol are trade marks of Dolby
Laboratories Inc. Manufactured under license from Dolby
Laboratories Inc.
SPECIFICATIONS
AC operated 4-track 2-channel Solid-
state Stereo Cassette Tape Record/
Playback Deck with Built-in Dolby
"B" type Noise Reduction & Full-
automatic Stop System
AC 110/220/240V, 50Hz
11 watts
Type:
Power source:
Power consumption:
Semiconductors: 4-transistor, 12-Auxiliary Transistor,
4-IC, 27-diode, 1-Silicon Controlled
Rectifier, 2-Light Emission Diode
Dimensions: 406mm(W) x 256mm(D) x 112mm(H)
Weight: 5.4 kg
Microphone jack 500 ohm x 2
REC/PB(DIN) Socket x 1
Headphones output jack 8 ohm x |
REC/PB(DIN) Socket x 1
Tape: Philips standard compact cassette tape
Tape speed: 4.8cm/sec
Record/Playback time:
60 minutes (C-60)
Recording system: AC bias system (84 kHz)
Input circuitry:
Output circuitry:
MODEL
RT-2000H
Erasing system: AC erasing
Fast forward & Rewind time:
100 seconds (C-60)
Wow & Flutter: 0.2% Weighted peak (DIN)
Frequency response:
40 — 14,000Hz (CrO, tape, DIN)
40 — 12,000Hz (Normal tape, DIN)
S/N ratio: 50 dB (DOLBY OFF)
55 dB (DOLBY ON)
Distortion: 1.5%
Channel separation: 34 dB
Erase ratio: 65 dB
Input sensitivity & input impedance:
Microphone 0.2mV @ 50k ohms
REC/PB(DIN) Socket Low: 0.8mV, 9k ohms
High: 40mV, 390k ohms
Output level & loaded impedance:
Headphones 63mV (OVU) @ 8 ohm
REC/PB(DIN) Socket 500mV (OVU), SOk ohms