Onkyo TA 203 Service Manual

Page 1

ONKYO SERVICE MANUAL

TA-203

REF. NO. 3407

STEREO CASSETTE
TAPE DECK
MODEL TA-203

Black model
UDN, UDC, UD 120V AC, 60Hz
UP 230V AC, 50Hz
UW 120 or 220V AC, 50/60Hz
UQA 240V AC, SOHz
SPECIFICATIONS
Track Format: 4-tracks, Z-channels
Erasing System: AC erase
Tape Speed: 4.8 crn/sec: (1-7/8 i.p.s)

SAFETY-RELATED COMPONENT WARNING

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 COM-
PONENTS WITH ONKYO PARTS WHOSE PARTS
NUMBERS APPEARASSHOWN IN THIS MANUAL.

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

ON KYO.
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Wow and Flutter: 0.07% (WRMS)
Frequency Response: 20ml7,000Hz (Normal)
(30-16,000Hz i3dB)
20-18,000Hz (High)
(30-17,000Hz i3dB)
20-19,000Hz (Metal)
(30-18,000Hz inB)
S/N Ratio: SBdB (metal tape, Dolby NR off)
A noise reduction of lOdB above 5kHz
and SdB at (Hz is possible with Dolby B
NR, A noise reduction of 20dB at 5kHz is
possible with Dolby C NR.
Input Jacks: LinelN:2
Input sensitivity: 80mV
Input impedanse: 50kohms
Outputs: Line OUT: 2
Standard output level: 500mV (OdB)
Optimum load impedance: over
50 kohms
Headphone jack: 1
Optimum load impedance: 8 to 200

ohms
Motors: DC servo motor: 1
DC motor: 1
Heads: REC/PB: Special Hard Permalloy X l:

Erase head: FerriteXl
Power Supply Rating: U.K, and Australian models:

AC 240V, 50Hz

USA. and Canadian models:

AC 120V, 60Hz

Worldwide models:

AC 120V and 220V switchable, SO/SOHz
Power Consumpiton: 17 watts

Dimensions: 455(W)X120(H)X308(D)mm
(I7-IS/I6' ><4-3/4w XIZ-I/e)
Weight: 5.19. (11.2lbs.)

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