Onkyo TAR 260 Service Manual

Page 1

ONKYO SERVICE MANUAL
STEREO CASSETTE

TAPE DECK
MODEL TA-R26O

0M3255

Black model
UDN, UDC, UD 120V AC, 50Hz
UW 120 or 220V AC, 50/60Hz
UQA, UQB 240V AC, 50Hz

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 APPEAR AS SHOWN IN THIS MANUAL.

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

Alllllll IIIIMPIIIIEIIIS

SPECIFICATIONS

Track System:
Erasing System:
Tape Speed:
Wow and Flutter:

Frequency Response:

S/N Ratio:

Input Jacks:

Outputs :

Motors:
Heads:

Power Supply:

Power Consumption:

4-tracks, 2-channels
AC erase
4.80m/sec (1-7/8 i.p.s.)
0.07% (WRMS)
2015 ,OOOHZ (Normal)
(30-14,000Hz x 3dB)
20-16,000Hz (High)
(SO-15900112 : 3dB)
20717900142 (Metal)
(30-15,000Hz t 3dB)
Dolby NR off : SSdB (metal position tape)
A noise reduction of 10dB above SkHz
and 5113 at lkHz is possible with Dolby B
NR. A noise reduction of 20dB at SkHz is
possible with Dolby C NR.
Microphone jacks: 2
Input sensitivity: 0.6mV/600 ohms
Imput impedance: 27 kohms
Line IN: 2
Input sensitivity: 50mV
lmput impedance: 50 kohms
Line OUT: 2
Standard output level: SOOmV (OdB)
Optimum load impedance: over SOkohms
DC servo motor x 1;DC motor x l
REC/PB: Special Hard Permslloy x l;
Erase head: Ferrite x 1
USA. and Canadian models: AC 120V.
60Hz
UK. and Australian models: AC 240V,
50Hz
Worldwide models: AC 120V and 220V
switchable, 50/60Hz
23 watts

a

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TA-R260

Dimensi : 435(W) 112 H 282 D
mm; 4,3381: ngigm Ic BLOCK DIAGRAM
Weight: 4.2 kg. (9.3 lbs)
IRZEOZ (LEVEL METER DRIDE)

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

SERVICE PROCEDURES m: IR"

1. Replacement of power supply cord V
There are two power supply cord outlets on the strainrelief. E
Insert them in prescribed direction to ensure safety AS-UC- '
3 (UD<120V> model) should be inserted lengthwise and

other types of cords should be inserted horizontallyt

Power Supply Cord Power Supply Cord
,u PC I 29°C
3
INN: SW32 5ND SWP1 6ND IND? Vccz
length wise Horizontal
direction direction

2. Instruction resistance measurement

Connect the insulating-resistance tester between the plug of
power supply cord and chassis.

Specifications; 500V more than IOMQ

anI 5W5" GNU SWPI GND [NH Vccv

HDG4120$A12 (COUNTER)

C46
c120
DUB c 90
C 60
Vdisp (REMA)
(CONS)
T2
R TI
83-33
5V
REEL FF RESET
TAKE UP} ROTATION
SUPPLY SENSOR
DIRECTION
Vccl5v)