Onkyo TA 2035 Service Manual

Page 1

TA2035 7'

SERIAL NO. 3127

OBIKYO® SERVICE MANUAL
STEREO CASSETTE
TAPE DECK
MODEL TA-2035

TABLE OF CONTENTS
Item Page
Specifications 2
Special mode operation 3
Component location 4
Exploded view 5
Adjustment procedures 6
Block diagram 8
Printed circuit board View from component side 9
Printed circuit board-Parts list ll
Printed circuit board View from component side 13
Block diagram of IC 14
Tape mechanism exploded view 15
Block diagram of 1C 17
Packing procedures 18

ONKYOE
Alllllll IIIIMPIINENIS

Page 2

SPECIFICATIONS

I) made]

Track Format:
Recording System:
Erasing System:
Tape Speed:

Wow & Flutter:
Frequency Response:

Signal»to-Noise Ratio:

[nput Jacks:

Output Jacks:

Motors:

Heads:
Semiconductors:
Power Supply:
Power Consumption:

Dimensions:

Weight:

4-track, 2-channel stereo
AC bias
AC erase
4.8cm/sec. (1-7/8 i.p.s.)
0045117» (WRMS)
20-15,000Hz (30-14.000Hz a:
3dB) (normal position tape)
20-I7.000Hz (SO-16.000112 :t
3dB) (high position tape)
2018,000Hz (30-]7_000Hz a:
SdB) (metal position tape)
60d]! (Metal tape, Dolby NR Out)
A noise reduction of 10dB above
SkHz and SdB at lkHz is possible
with Dolby l3 NR. A noise reduction
of 20dB at SkHz is possible with
Dolby C NR.
Microphone Jacks: 2
Minimum input level: 0.3mV/6009
Input impedance: Ski]
Line In Jacks: 2
Minimum input level:50mV
Input impedance: 50kfl
Line Out Jacks: 2
Standard output level: 500mV (OdB)
Optimum load impedance: more
than 50m
Headphone: 1
Optimum impedance: 8-2009
DC servo motor: 2
DC motor: 2
Rec/vb head: Hard Fermalioy
Erase head: Ferrite
71 transistors, 41 diodes, 8 le, 10
LEDs
AC IZOV/60Hz
20 watts
418(W) x 100(H) x 270(D)mm
(I6-I/2" x 3-IS/I6"x10-5/8)
4,5kg, (9,91bs.)

Specifications and external appearance are subject to change without
prior notice due to product improvements.

Mechanism specifications

I) Tape speed:

2) Wow and Flutter:
3) Take-up torque:
4) RF: torque:

5) Rewind torque:
6) Rewind time:

4:8cm/sec. (3,000Hz - 3,060Hz)
Use a standard test tape
MTT-lll (SkHz) or equipment.
Less than 0.08% (WRMS)
35-55 grecm

707140 gr-cm

70-140 gr-cm

Less than 905cc

(Use a 060 cassette tape)

G/W models

Track Format:
Recording System:
Erasing System:
Tape Speed:

Wow & Flutter:
Frequency Response:

Signal-to-Noise Ratio:

Input Jacks:

Output Jacks:

Motors:

Heads:
Semiconductors:
Power Supply:
Power Consumption:
Dimensions:

Weight:

4.track, 2-channel stereo
AC bias
AC erase
4.8cm/sec. (1-7/8 i.p.s.)
0.045% (WRMS)
20-15,000Hz (30-14,000Hz 2
3dB) (normal position tape)
20-17,000Hz (30-16,000Hz 1:34.13)
(high position tape)
20-18,000Hz (30-17.000Hz 2
3dB) (metal position tape)
60dB (Metal tape, Dolby NR Out)
A noise reduction of 10dB above
SkHz and Sell} at lkHz is possible
with Dolby 8 NR. A noise reduction
of 20dB at SkHz is possible with
Dolby (3 NR.
Microphone Jacks: 2
Minimum input level: 0.3mV/600I)
Input impedance: Skfl
Line In Jacks: 2
Minimum input level: SOmV
Input impedance: 50kt)
DIN In Jack: I
Minimum input level: 0.1mV/lkfl
Input impedance: 2.7m
Line Out Jacks: 2
Standard output level: 500mV (OdB)
Optimum load impedance: more
than 50)
DIN Out Jack: 1
Standard output level: SOOmV (OdB)
Optimum load impedance: over
50k
Headphone: I
Optimum impedance: 8-2000
DC servo motor: 2
DC motor: 2
Rec/pb head: Hard Permalloy
Erase head: Ferrite
73 transistors, 41 diodes, 8 ICs, 10
LEDs
AC 120V/60Hz
AC 220V/50Hz, 120V, 220V
50/60Hz or 240V/SOHZ
20 watts
418(W) x 100(H) x 270(0) mm
(16-1/2 x 345/16 x 10-5/8")
4.5kg. (9.91m)

Specifications and external appearance are subject to change without
prior notice due to product improvements.