Teac_GF350 compact hi-fi.pdf

GF-350

Compact Hi-Fi Stereo System

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

1 SAFETY INFORMATION

2 SPECIFICATIONS

3 ADJUSTMENT AND CHECKS

4 EXPLODED VIEW AND PARTS LIST

5 PC BOARDS AND PARTS LISTS

6 WIRING DIAGRAM

components - refer to the appropriate parts list and

7 INCLUDED ACCESSORIES

ensure exact replacement.

GF-350

1 SAFETY INFORMATION

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 .

CAUTION

USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY

RESULT IN

HAZARDOUS RADIATION EXPOSURE.

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.

FOR U.S.A.

FM ANTENNA

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.

TEAC MODEL NO . GF-350

COMPACT HI-FI SYSTEM

TEAC CORPORATION

AVIS

CAUTION

DO NOT OPEN

NE PAS OUVRIR.

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

120V ~

60Hz

55W

SERIAL NO.

TOKYO JAPAN

MADE IN CHINA

Optical pickup:

Type : SF-W36FR

Manufacturer : SANYO Electric Co.,Ltd.

Laser output : Less than 1 mW (Play) on the objective lens

: Less than 5 mW (Record) on the objective lens

: Less than 10 mW (Erase) on the objective lens

Wavelength : 783 nm

RISK OF ELECTRIC SHOCK

: RISQUE DE CHOC ELECTRIQUE

GF-350

2 SPECIFICATIONS

AMPLIFIER Section

Out Power:

GENERAL

3.5W + 3.5W

Power Requirements:

120V AC,60Hz

Frequency Response

60 Hz to 20 kHz

Power Consumption:

55 W

CD PLAYER Section

Frequency Response:

Dimension (W x H x D ):

Weight:

480 x 230 x 380 mm

10.5 kg

50 Hz to 20 kHz (+/- 1dB)

Wow and Flutter:

Unmeasurable

Standard Accessories:

TUNER Section

Frequency Range (FM):

Owner s Manual x 1

Warranty Card x 1

87.5MHz to 108.00 MHz

Remote Control x 1

Battery 1.5V SS/UM-3

Frequency Range (AM):

530kHz to 1710 kHz

Record Player Section

Motor:

DC servo motor

Driver System:

Belt Drive

Speed:

33-1/3 rpm, 45 rpm, 78 rpm

Wow and flutter:

Less than 0.15% (WDT)

Cartridge type:

Ceramic Stereo Cartridge

Stylus:

STL-153

SPEAKER SYSTEM Section

Type:

1-way

Impedance:

4 ohms

Design and specifications are subject to change without notice.

Weight and dimensions are approximate.

Illustrations may differ slightly from production models.

GF-350

3 ADJUSTMENTS AND CHECKS

3-1 TUNER SECTION

Use a screwdriver with a plastic or ceramic grip for all adjustment.

3-1-1 FM 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.

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.

3-1-2 AM adjustment

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

AM ANT COIL

PVC1

GF-350

3-2-1 FM/AM alignment chart

ITEM

SG SETTING

TUNER SETTING

ADJUSTMENT POINT

ADJUSTMENT

1. IF adjustment

10.7MHz

108MHz

T3 (FM ORG)

With 10.7 MHz at

zero crossover

87.5MHz

L3 (FM OSC COIL)

1kHz, +/-22.5kHz dev.

2. FM band

Adjust for max.output.

108MHz

PVC (C2)

1kHz, +/-22.5kHz dev.

90MHz

L2 ( FM RF COIL)

1kHz, +/-22.5kHz dev.

3. Tracking

Adjust for max. output

106MHz

PVC (C1)

1kHz, +/-22.5kHz dev.

Repeat step 3 to obtain max adjust.

1. IF adjustment

450 kHz

1710kHz

T2 (AM IF)

1kHz, 30% mod

Center & max.output.

530kHz

L6 (AM OSC COIL)

1kHz, 30% mod

2. AM band

Adjust for max. output.

1710kHz

PVC (C4)

1kHz, 30% mod

600kHz

AM ANT COIL

1kHz, 30% mod

3. Tracking

Adjust for max. output

1400kHz

PVC (C3)

1kHz, 30% mod

Repeat step 3 to obtain best tracking.

3-2-2 CD alignment

Auto alignment.

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