Onkyo TARW 255 Service Manual

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TA-RW255

Ref. No. 3872

ONKYO SERVICE MANUAL °52°°5

STEREO CASSETTE TAPE DECK
MODEL TA-RW255

ONKYO m M

North mm mode [El]

Olher Mes Q] Q

_;s

Black and Silver models

BMDD 120V AC, 60Hz
BMPA, BMGT 230-240V AC, 50Hz
BMPP, SMPP

SAFETY-RELATED COMPONENT
WA R N I N G ! !

COMPONENTS IDENTIFIED BY MARK A ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

ONKYO.

IMAGINATIVE SIGHT & SOUND

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255

SPECIFICATIONS

Format: Auto reverse double deck
Track format: 4-tracks, 2-channels
Recording system: AC bias

Erasing system: AC erase

Tape speed: 476 cm/sec. (1-7/8 i.p.s)

Wow and Futter: 0113 % (WRMS)
Frequency response:
Metal position tape 30 Hz to 15 kHz :3 dB
High position tape 30 Hz to 14 kHz :3 dB
Normal position tape 30 Hz to 13 kHz :3 dB
Signal to noise ratio: 56 dB (metal position tape/ Type IV,
Dolby NR off)
55 dB (high position/ Type II, Dolby NR
off)
50 dB (normal position/ Type I, Dolby
NR off)
Noise reduction of 10 dB above 5 kHz
and 5 dB at 1 kHz possible with Dolby B.
Noise reduction of 20 dB at 5 kHz
possible with Dolby C.
Input Jacks:
LINE IN: 2
Input sensitivity: 80 mV
Input impedance: 50 k ohm
Output Jacks:
LINE OUT: 2
Standard output level: 500 mV
Output load impedancezover 50 k ohm

Motors: DC servo motor: 1+1
Heads:
PB Head: Special Hard Permalloy x 1
Rec/PB Head: Special Hard Permalloy x 1
Erase head: Fem'te x 1

Power supply rating: North American: AC 120 V, 60 Hz
European: AC 230 - 240 V, 50 Hz
Power consumption: 17 W
Standby power consumption:
North American: 7.0 W
European: 06 W
Dimensions: (W X H x D):
435 mmx 121 mmx 303 mm
(17-1/8" x 4-3/4"x11-15/16)
Weight: 419 kg (10.8 lbs.)
Operation condition temperature/humidity:
5"C - 35°C/ 5% - 85% (no condensation)

Specifications and external appearance are subject to change
without notice because of product improvements.