Onkyo TAW 460 Service Manual

Page 1

ONKYO SERVICE MANUAL

STEREO CASSETTE
TAPE DECK
MODEL TA-W460

TA-W460

OM 3249

Black and silver models

UDN, UDC, UD

120V AC , 60H:

UG

220V AC, SOHZ

UW

120 or 220V AC, 50/60Hz

UQA, UQB

240V AC, SOHz

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 LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT
EXPOSED PARTS ARE ACCEPTABLY 1N7
SULATED FROM THE SUPPLY CIRCUIT BEFORE
RETURNING THE APPLIANCE TO THE
CUSTOMER.

ONKYOQ
llllllll BIIMPIINHIIS

SPECIFICATIONS

Track System:
Erasing System:
Tape Speed:

Wow and Flutter:
Frequency Response:

S/N Ratio:

Input Jacks:

Output:

4»tracks. 2-channels
AC erase
4.8 cm/scc (177/8 i.p,s.)
0.07% (WRMS)
20 - 15.000H7 (Normal)
(30 - 14.000Hz +3dB)
20 - 16,000Hz (High)
(30 A ISIJOOHZ +3dB)
2t) 7 l7.I)UUHz (Metal)
(30 7 16.000I-lz +3dB)
Dolby NR off: SSdB (metal position
tape)
A noise reduction of IOdB above
SkHz and SdB at lkHz is possible
with Dolby B NR, A noise reduction
of ZIIdB at SkHz is possible with
Dolby C NR.
Microphone jack: I
[nput sensitivity: 0.6mV/
(100 ohms
Input impedance: 2.7 kohms
Line IN: 2
Input sensitivity: fiIlmV
Input impedance: 50 kohms
Line OUT: 2
Standard output level: SOOmV
((ldB)
Optimum load impedance:
over 50 kohms

Page 2

E

ROTAHON
SENSOR

REEL

4(4 7.5V)

041/.

Motors: DC servo motor X 2; DC motor BA6251 (REC AMP. EQ. SW) E
x 2
t t . EDL
Heads: REC/PB: Specml Md Permalloy W E a
x 2: mi oun E
Erase head: Ferrite X l I>a D E
IN? OUY 2 lN 0 DUI
Power Supply: A(lleV/()0H7, S >- P 0 3 f > 2
. I
Power Consumption: 19 walls 3 0 l a 8 8 + L: m E E;
Dimensions: 435(W) x llO(H) X 258(1))mm m can OUT 3. lL_ E z E + E;
(l7-l/ " X 4-3/8" X lU-l/X) W5 ours -' I m a A 5 0 £8
Weight. 4.6 kg. (10.1 lbs.) W H- 0 fl) 3 3 52L En u 2
m5 ours i 4 i1 " 5 ll] 5
7 \ > 0
Spccrfications and external appearance are subject to change m 7 our 7 GND GND g E 3:1 a [I 3 E
without notice because of product improvements. mm m: l 3 §
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SERVICE PROCEDURES 2n. 3*; 2
(31- c uamdwoo OHDIN
LOLD
1. Replacement of power supply cord
There are two power supply cord outlets on the strainrelicf.
Insert them in prescribed direction to ensure safety. AS-UC- NJM-2068D-D
3 (UD<120V> model) should be inserted lengthwise and 4 ES
m
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other types of cords should be inserted horizontally. m 3 ; 40E 2 a o
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2. Instruction resistance measurement E if 5 :2; D (2%
Connect the insulatingrcsistance tester between the plug of g a 3: 8 2 J o N
r . A . - .-
power supply cord and chassis. v c T 2 B § '5 5
Specifications; 500V more than lOMfl E -:
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