TEAC GF-350 Service Manual

Cover page of TEAC GF-350 Service Manual

Service Manual for TEAC GF-350, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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  • The manual has 21 pages
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Sample pages

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PC board 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
ensure exact replacement.
!
components - refer to the appropriate parts list and
2 SPECIFICATIONS
2
4 EXPLODED VIEW AND PARTS LIST
5 PC BOARDS AND PARTS LISTS
6 WIRING DIAGRAM
7 INCLUDED ACCESSORIES
1 SAFETY INFORMATION
3
Compact Hi-Fi Stereo System
6
15
17
3 ADJUSTMENT AND CHECKS
4
GF-350
9
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PC board 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
ensure exact replacement.
!
components - refer to the appropriate parts list and
2 SPECIFICATIONS
2
4 EXPLODED VIEW AND PARTS LIST
5 PC BOARDS AND PARTS LISTS
6 WIRING DIAGRAM
7 INCLUDED ACCESSORIES
1 SAFETY INFORMATION
3
Compact Hi-Fi Stereo System
6
15
17
3 ADJUSTMENT AND CHECKS
4
GF-350
9
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1 SAFETY INFORMATION
2
GF-350
USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY
HAZARDOUS RADIATION EXPOSURE.
RESULT IN
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 not 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
DO NOT REMOVE THE PROTECTIVE HOUSING USING SCREWDRIVER.
IF THIS PRODUCT DEVELOPS TROUBLE, MAKE A CONTACT WITH OUR SERICEMAN, AND DO NOT USE THE PRODUCT A TROUBLED
STATE.
Optical pickup:
Type :
SF-W36FR
Laser output : Less than 1 mW (Play) on the objective lens
Wavelength : 783 nm
Manufacturer : SANYO Electric Co.,Ltd.
SERIAL NO.
MADE IN CHINA
!
CAUTION
DO NOT OPEN
NE PAS OUVRIR.
AVIS
RISK OF ELECTRIC SHOCK
: RISQUE DE CHOC ELECTRIQUE
FM ANTENNA
TEAC
MODEL NO . GF-350
COMPACT HI-FI SYSTEM
TEAC CORPORATION
55W
120V ~
60Hz
TOKYO JAPAN
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.
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
2005
1
FOR U.S.A.
: Less than 5 mW (Record) on the objective lens
: Less than 10 mW (Erase) on the objective lens
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2 SPECIFICATIONS
GF-350
3
TUNER Section
Frequency Range (FM):
87.5MHz to 108.00 MHz
CD PLAYER Section
Frequency Response:
50 Hz to 20 kHz (+/- 1dB)
Wow and Flutter:
Unmeasurable
Frequency Range (AM):
530kHz to 1710 kHz
SPEAKER SYSTEM Section
Type:
1-way
Impedance:
4 ohms
AMPLIFIER Section
Out Power:
3.5W + 3.5W
Frequency Response
60 Hz to 20 kHz
Record Player Section
Motor:
DC servo motor
Driver System:
Belt Drive
Speed:
33-1/3 rpm, 45 rpm, 78 rpm
Power Requirements:
120V AC,60Hz
GENERAL
Dimension (W x H x D ):
Weight:
Standard Accessories:
Warranty Card x 1
480 x 230 x 380 mm
10.5 kg
Power Consumption:
Owner s Manual x 1
,
55 W
Wow and flutter:
Less than 0.15% (WDT)
Cartridge type:
Ceramic Stereo Cartridge
Stylus:
STL-153
Design and specifications are subject to change without notice.
Illustrations may differ slightly from production models.
Weight and dimensions are approximate.
Remote Control x 1
Battery 1.5V SS/UM-3
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GF-350
4
3 ADJUSTMENTS AND CHECKS
Use a screwdriver with a plastic or ceramic grip for all adjustment.
3-1 TUNER SECTION
3-1-2 AM adjustment
1. To turn on the power.
2. Set the FUNCTION SELECTOR to RADIO & FM BAND.
3. Connect a SWEEP SCOPE OUTPUT to pin21 of IC1 through a 20pF capacitor and ground.
3-1-1 FM adjustment
4. Connect a SWEEP SCOPE INPUT to pin13 or 14 of IC1through a 1uF capacitor and ground.
5. Connect an RF generator to the FM antenna terminal and ground.
6. Connect a SCOPE & VTVM across the speaker output.
1. To turn on the power.
2. Set the FUNCTION SELECTOR SWITCH to RADIO & AM BAND.
3. Connect a SWEEP SCOPE OUTPUT to AM antenna terminal.
4. Connect a SWEEP SCOPE INPUT to pin13 or 14 of IC1through a 1uF capacitor and ground.
5. Connect an RF generator to a standard radiating loop.
6. Connect a SCOPE & VTVM across the speaker output.
3-2 Adjustment and Test Points
MAIN PCB
L3
L2
PVC1
L6
C1
C2
T3
T2
C3
C4
AM ANT COIL
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5
ITEM
ADJUSTMENT POINT
ADJUSTMENT
SG SETTING
TUNER SETTING
3. Tracking
3. Tracking
108MHz
106MHz
106MHz
Repeat step 3 to obtain max adjust.
90MHz
90MHz
108MHz
87.5MHz
87.5MHz
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
L2 ( FM RF COIL)
PVC (C2)
Adjust for max.output.
Adjust for max. output
1. IF adjustment
2. AM band
450 kHz
1710kHz
1710kHz
1710kHz
Repeat step 3 to obtain best tracking.
600kHz
600kHz
1400kHz
1400kHz
530kHz
530kHz
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
L6 (AM OSC COIL)
AM ANT COIL
PVC (C4)
T2 (AM IF)
AM
Center & max.output.
Adjust for max. output.
Adjust for max. output
3-2-1 FM/AM alignment chart
2. FM band
FM
3-2-2 CD alignment
Auto alignment.
1. IF adjustment
10.7MHz
108MHz
T3 (FM ORG)
With 10.7 MHz at
zero crossover
L3 (FM OSC COIL)
PVC (C1)
PVC (C3)
GF-350
FM

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