Onkyo TA-2820 Service Manual

WY23741)
Ref. No. 3393
ONKYO SERVICE MANUAL
STEREO CASSETTE
TAPE DECK
MODEL TA-2820
Black model
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 4 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 APPEAR AS SHOWN 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.
ONKYO.
AUDIO COMPONENTS
SPECIFICATIONS
Track Format: 4-tracks, 2-channels
Erasing System: AC erase
Tape Speed: 4.8 cm/sec. (1-7/8 i.p.s.)
Wow and Flutter: 0.07% (WRMS)
Frequency Response:
S/N Ratio:
Input Jacks:
Outputs:
Motors:
Heads:
Power Supply Rating:
Power Consumption:
Dimensions:
Weight:
20 —-17,000Hz (Normal)
(30—16,000Hz + 3dB)
20 —18,000Hz (High)
(30~17,000Hz + 3dB)
20—19,000Hz (Metal)
(30—18,000Hz + 3dB)
58dB (metal tape, Dolby NR off)
A noise reduction of 10dB above 5kHz
and 5dB at 1kHz is possible with Dolby B
NR. A noise reduction of 20dB at 5kHz is
possible with Dolby C NR.
Line IN: 2
Input sensitivity: 30mV
Input impedance: 50kohms
Like OUT: 2
Standard output level: 500mV (OdB)
Optimum load impedance: over
50 kohms
Headphone jack: 1
Optimum load impedance: 8 to 200
ohms
DC servo motor: 1
DC motor: 1
REC/PB: Special Hard Permalloy x 1;
Erase head: Ferrite x 1
AC 230V, 50Hz
16 watts
455(W) x 120(H) x 308(D)mm
(17-15/16" x 4-3/4" x 12-1/8)
5.0kg. (11.0 Ibs.)
Specifications and external appearance are subject to change
without notice because of product improvements.