TEAC GF-480 Service Manual

Cover page of TEAC GF-480 Service Manual

Service Manual for TEAC GF-480, downloadable as a PDF file.

Manual details

  • Immediate download after payment.
  • Delivered as a PDF file.
  • The manual has 20 pages
  • File size: 3.71 MB
  • Available language versions: English
  • Different language versions may vary sligthly in file size and page count.

We guarantee that...

  • our manuals are complete,
  • the manual includes circuit diagrams,
  • our manuals are checked with antivirus,
  • We'll issue refund if the manual is damaged, incomplete or unreadable (our refund policy)

Sample pages

Thumbnail of page 1Thumbnail of page 2Thumbnail of page 3Thumbnail of page 4
Thumbnail of page 5Thumbnail of page 6Thumbnail of page 7Thumbnail of page 8
Thumbnail of page 9
background image
PC boards shown are viewed from parts side.
The parts with no reference number or no parts number
in the exploded views are not supplied.
As regards the resistors and capacitors, refer to the
circuit diagrams contained in this manual.
Parts marked with this sign are safety critical
components. They must be replaced with identical
components - refer to the appropriate parts list and
ensure exact replacement.
NOTES
Compact Hi-Fi Stereo System
For U.S.A and general export version
CONTENTS
1 SAFETY INFORMATION
2 SPECIFICATIONS
3 ADJUSTMENT AND CHECKS
3-1 TUNER SECTION
4 EXPLODED VIEWS AND PARTS LIST
5 PC BOARDS AND PARTS LIST
6 WIRING DIAGRAM
2
3
4
4
3-3 CASSETTE DECK SECTION
6
7
3-2 TURNTABLE SECTION
6
11
15
7 INCLUDED ACCESSORIES
17
GF-480
!
background image
PC boards shown are viewed from parts side.
The parts with no reference number or no parts number
in the exploded views are not supplied.
As regards the resistors and capacitors, refer to the
circuit diagrams contained in this manual.
Parts marked with this sign are safety critical
components. They must be replaced with identical
components - refer to the appropriate parts list and
ensure exact replacement.
NOTES
Compact Hi-Fi Stereo System
For U.S.A and general export version
CONTENTS
1 SAFETY INFORMATION
2 SPECIFICATIONS
3 ADJUSTMENT AND CHECKS
3-1 TUNER SECTION
4 EXPLODED VIEWS AND PARTS LIST
5 PC BOARDS AND PARTS LIST
6 WIRING DIAGRAM
2
3
4
4
3-3 CASSETTE DECK SECTION
6
7
3-2 TURNTABLE SECTION
6
11
15
7 INCLUDED ACCESSORIES
17
GF-480
!
background image
1 SAFETY INFORMATION
USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
SAFETY INFORMATION
This product has been designed and manufactured according to FDA regulations " title 21, CFR, chapter 1,subchapter J,based on the
Radiation Control for Health and Safety Act of 1968" and is classified as class 1 laser product. There is no hazardous invisible laser
radiation during operation because invisible laser radiation emitted inside of this product is completely confined in the protective
housings. The label required in this regulation is shown
.
1
CAUTION
GF-480
2
Optical pickup:
Type
:SOH-AA -8E15
Manufacturer :SONY CORPORATION
Laser output
: Less than 0.35mW on the objective lens
Wavelength
: 79 0 +/-25nm
!
CAUTION
DO NOT OPEN
NE PAS OUVRIR.
AVIS
RISK OF ELECTRIC SHOCK
: RISQUE DE CHOC ELECTRIQUE
THIS DEVICE COMPLIES WITH PART 15 OF THE
FCC RULES. OPERATION IS SUBJECT TO THE
FOLLOWING TWO CONDITIONS : (1) THIS DEVICE
MAY NOT CAUSE HARMFUL INTERFERENCE AND
(2)THIS DEVICE MUST ACCEPT ANY INTERFER-
ENCE RECEIVED, INCLUDING INTERFERENCE
THAT MAY CAUSE UNDESIRED OPERATION.
THIS CLASS B DIGITAL APPARATUS COMPLIES WITH
CANADIAN ICES-003.
CET APPAREL NUMERIQUE DE LA CLASSE B
EST CONFORME A LA NORME NMB-003 DU CANADA
DOUBLE INSULATION- WHEN SERVICING USE
ONLY IDENTIONAL REPLACEMENT PARTS
SERIAL
N0.
MADE IN CHINA
VOLTAGE SELECTOR
120V
230V
CERTIFICATION
THIS PRODUCT COMPLIES WITH DHHS
RULES 21 CFR SUBCHAPTER J APPLI-
CABLE AT DATE OF MANUFACTURE
TEAC. CORPORATION
3-7-3, NAKA-CHO, MUSASHINO-SHI, TOKYO, JAPAN
MANUFACTURED :
LTC
CERTIFICATION
THIS PRODUCT COMPLIES WITH DHHS
RULES 21 CFR SUBCHAPTER J APPLI-
CABLE AT DATE OF MANUFACTURE
TEAC. CORPORATION
3-7-3, NAKA-CHO, MUSASHINO-SHI, TOKYO, JAPAN
MANUFACTURED :
LTC
1
TEAC
MODEL No GF-480
Compact Hi-Fi STEREO SYSTEM
TEAC CORPORATION
65W
TOKYO JAPAN
background image
2 SPECIFICATIONS
GF-480
3
AMPLIFIER Section
TUNER Section
SPEAKER SYSTEM Section
Impedance:
8-ohms
Type:
1-way
CD PLAYER Section
Frequency Response:
Signal-to-Noise Ratio:
Wow and Flutter:
Channel Separation:
40 to 16,000 Hz +/-5dB
75dB (IEC-A)
Unmeasurable
40dB
CASSETTE DECK Section
Track System:
Tape Speed:
Wow and Flutter:
Frequency Response:
Signal-to-Noise Ratio:
4 track, 2 channel stereo
4.8cm/sec
0.15% (WRMS)
125 to 6,300 Hz +/-2dB
45dB
GENERAL
Power Requirements:
Power Consumption:
Dimension (W x H x D ):
Weight:
Standard Accessories: Owner's Manual x 1
Warranty Card x 1
Improvements may result in specification or
feature changes without notice.
120V ~, 60Hz (U.S.A/Canada)
65W
Main Unit:
386 x 356 x 815 mm
(15-3/16 x 14 x 32-1/12)inches
Output Power:
10W+10W (U.S.A/Canada)
Frequency Response :
60 to 30,000 Hz
AM Section
Frequency Range:
530 to 1710 KHz (U.S.A/Canada)
Signal-to-Noise Ratio: 55dB
Sensitivity (S/N 20 dB) : 55 dB uV/m
FM Section
Sensitivity (S/N 30 dB) : 18 dB u V
Frequency Range :
88.0 to 108.00 MHz
120V/230V ~, 50-60Hz (General Export
Version only)
16.5 kg
45rpm Adaptor
Rubber pad x 4
background image
4
GF-480
Use a screwdriver with a plastic or ceramic grip for all adjustment.
1. Set the function switch to the FM position.
1. Set the function switch to the AM position.
2. Connect the signal generator output through a 75 ohm dummy
2. Connect the test loop antenna across the output of the signal generator.
3. Connect the oscilloscope to the speaker terminal.
3. Connect the oscilloscope to the speaker terminal.
4. Set the signal generator as listed in the alignment chart.
4. Set the signal generator as listed in the alignment chart.
3-1 TUNER SECTION
3-1-1 FM adjustment
3-1-2 AM adjustment
antenna to "ANT" on MAIN PCB.
3 ADJUSTMENTS AND CHECKS
AM ANT COIL
PVC
C1
FC1
GF-480 MAIN PCB
L4
C2
FC2
L6
L3
L2
L5
background image
GF-480
5
3-1-3 FM/AM alignment chart
3-1-4 TURNTABLE alignment chart
ITEM
ADJUSTMENT POINT
ADJUSTMENT
SG SETTING
TUNER SETTING
1. FM band
2. Tracking
3. Tracking
108MHz
104MHz
104MHz
Repeat step 2
90MHz
90MHz
108MHz
87.5MHz
87.5MHz
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
L3
L2
PVC FC1
PVC FC2
FM
Adjust for max.output.
Adjust for max. output
and best waveform.
1. IF adjustment
2. AM band
455kHz
1710kHz
600kHz
1710kHz
Repeat step 3
600kHz
600kHz
1400kHz
1400kHz
530kHz
530kHz
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
L5
L4 AM ANT
PVC C1
PVC C2
L6
AM
Adjust for max.output.
Adjust for max. output.
Adjust for max. output
and best waveform.
3-1-4 TURNTABLE alignment chart
ITEM
ADJUSTMENT
ADJUSTMENT
WOW &
Flutter
POINT
HP - 4005
Number :
SPEED
5200MHz
NO.3
NO.4
NO.4
3000Hz
3000Hz
VR2
VR3
VR4
<0.35%
33
45
78
TURNTABLE
+/- 30Hz
+/- 30Hz
+/- 30Hz
-----
-----

Reviews

There are no reviews of this manual yet.

Related Products

Cover page of TEAC VRDS-9 Service Manual

This manual has 27 pages, file size: 9.21 MB. It's available in languages: English.

Cover page of TEAC MD5 Owner's Manual

This manual has 99 pages, file size: 6.12 MB. It's available in languages: French, English, Spanish, German, Italian.

Cover page of TEAC T-R610DAB Service Manual

This manual has 15 pages, file size: 1.9 MB. It's available in languages: English.

Cover page of TEAC TASCAN32 Service Manual

This manual has 117 pages, file size: 13.32 MB. It's available in languages: English.

Cover page of TEAC W995RX Owner's Manual

This manual has 43 pages, file size: 23.58 MB. It's available in languages: French, English, German, Italian.