Onkyo TA-2800 Service Manual

ONKYO
TA-2800
SERIAL NO. 3302
SERVICE MANUAL
a
STEREO CASSETTE
TAPE DECK
MODEL TA-2800
Black model
UDN, UDC, UD
UG
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.
220V AC, 50Hz
120V AC, 60Hz
120 or 220V AC, 50/60Hz
UQA, UQB | 240V AC, 50Hz |
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: 0.04% (WRMS)
Frequency Response: 20—17,000Hz (Normal)
(30—16,000Hz + 3dB)
20 — 18,000Hz (High)
(30—17,000Hz + 3dB)
15—21,000Hz (Metal)
(20—20,000Hz + 3dB)
S/N Ratio: 60dB (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.
Input Jacks: Line IN: 2
Input sensitivity: (OmV
Input Impedance: 50kohms
Outputs: Line OUT: 2
Standard output level: 1100mV (O0dB)
Optimum load impedance: over
50 kohms
Headphone Jack: 1
Optimum load impedance: 8 to 200
ohms
Motors: DC servo motor: 1
DC motor: 2
Heads: REC/PB: Special Hard Permalloy x 1;
Erase head: Ferrite x 1
Power Supply Rating: U.K. and Australian models:
AC 240V, 50Hz
U.S.A. and Canadian models:
AC 120V, 60Hz
Worldwide models:
AG 120V and 220V switchable, 50 / 60Hz
Power Consumption: 24 watts
Dimensions: 435(W) x 132(H) x 366(D)mm
(17-1/8" x 5-3/16" x 14-716")
Weight: 6.2 kg. (13.7 Ibs.)
Specifications and external appearance are subject to change
without notice because of product improvements.