TEAC GF-650 Service manual

GF-650

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

components - refer to the appropriate parts list and ensure exact replacement. Parts of [ ] mark can be used only with the version designated. [T/C]: U.S.A [E]: Europe [JIS]: Japan

1 SAFETY INFORMATION

2 SPECIFICATIONS

3 ADJUSTMENT AND CHECKS

4 EXPLODED VIEW AND PARTS LIST

5 PC BOARDS AND PARTS LISTS

6 WIRING DIAGRAM

7 INCLUDED ACCESSORIES

GF-650

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

HAZARDOUS RADIATION EXPOSURE.RESULT IN

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:

FM ANTENNA

THIS DEVICE COMPLIES W ITH P ART 15 OF THE FCC RULES. OPERA TION IS SUBJECT TO THE FOLLOWI NG TWO CONDITIONS :( 1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFE RENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDI NG INTERFERENCE THAT MAY CAUSE UNDESI RED OPERATION.

TEAC

MODEL NO . GF-6 50

COMPACT HI- FI SYST EM

TEAC CORPOR ATION

120V ~ 60Hz

TOKYO JAPAN

CAUTIO N

RISK OF ELECTRI C SHOCK

DO NOT OPEN

: RISQUE DE CHO C ELECT RIQUE

AVIS

NE PAS OUVRIR.

55W

SERIAL NO.

MADE IN CHINA

Type : SF-W36FR Manufacturer : SANYO Electro-Mechanics Co., Ltd. Laser output : Less than 1 mW (Play)on the objective lens Laser output : Less than 5 mW (Record)on the objective lens Laser output : Less than 10 mW (Erase)on the objective lens Wavelength : 783 nm

CERTI FICATIO N

THIS PROD UCT COMP LIES WI TH DHHS RULES 21 CF R SUBCH APTER J AP PLICABLE AT DATE OF MA NUFACT URE.

TEAC CORPO RATION

3-7-3, NAKA -CHO, M USASH INO-S HI, TOKY O, JAPAN

MANUFACTUR ED :

FOR U .S.A.

2 SPECIFICATIONS

GF-650

AMPLIFIER Section

Output Power:

Frequency Response Audio Input Sensitivity/Impedance

AUX : -6dBV(0.5V/20k ohm)

CD Player Section

Support :

Sample Frequency : Frequency Response:

Signal-to-Noise Ratio

Total Harmonic Distortion:

PHONO to CD, AUX to CD

More than 90dB (Player)

More than 80dB (Recording)

Less than 0.05% (Player)

Less than 0.07% (Recording)

TUNER Section

Frequency Range (FM):

Frequency Range (AM):

87.5MHz to 108.00 MHz

530kHz to 1710 kHz (USA)

522kHz to 1620 kHz (EUR)

3.5W + 3.5W

60 Hz to 20 kHz

LINE : +6dBV(2.0V)

44, 1kHz

20 Hz to 20 kHz +/-2dB (Player)

+/-3dB(Recording)

GENERAL

Power Requirements:

120V AC,60Hz (U.S.A/Canada Model)

100V AC,60Hz (Japan Model)

230V AC,50Hz (European Model) Power Consumption: Dimension (W x H x D ):

Weight:

Standard Accessories:

Owner s Manual x 1 Warranty Card x 1 45 RPM adaptor x 1

Remote Control x 1 Battery 1.5V AA/UM-3 x 2 RCA Plug Cord 2P x 1

55 W

479 x 259.5 x 370 mm

12.5kg

RECORD Player Section

Motor: Driver System: Speed:

Wow and flutter:

Cartridge type: Ceramic Stereo Cartridge

Stylus:

Output Level:

Less than 0.25% (WDT)

150-360mV (5cm/sec at 1kHz)

DC servo motor

Belt Drive

33-1/3 rpm, 45 rpm

STL-650

SPEAKER SYSTEM Section

Unit

Impedance:

Design and specifications are subject to change without notice.

Weight and dimensions are approximate.

Illustrations may differ slightly from production models.

70 mm

4 ohms

GF-650

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. Set the function switch to the FM position.

2. Connect the signal generator output through a 75 ohm dummy antenna to "ANT" on MAIN PCB.

3. Connect the oscilloscope to the speaker terminal.

4. Set the signal generator as listed in the alignment chart.

3-1-2 AM adjustment

1. Set the function switch to the AM position.

2. Connect the test loop antenna across the output of the signal generator.

3. Connect the oscilloscope to the speaker terminal.

4. Set the signal generator as listed in the alignment chart.

3-1-3 Turntable Section

1. Set the function switch to the PHONE position.

2. Connect the oscilloscope to the speaker terminal.

3. Use a HP-4005 record for all adjustment.

3-2 Adjustment and Test Points

MAIN PCB

COIL

3-2-1 FM/AM alignment chart

GF-650

ITEM

1.IFT adjustment

2. FM band

3. Tracking

SG SETTING

10.7 MHz

1kHz, +/-22.5kHz dev.

87.5MHz

1kHz, +/-22.5kHz dev.

108.0Hz 1kHz, +/-22.5kHz dev.

90MHz

1kHz, +/-22.5kHz dev.

106MHz 1kHz, +/-22.5kHz dev.

Repeat step 3

TUN ER SETTING

108MHz

87.5MHz

108.0MHz

90MHz

106MHz

ADJUS TMENT POINT

PVC (FM OSC)

PVC (FM ANT)

ADJUS TMENT

With 10.7 MHz at zero crossover

Adjust for max.output and best waveform.

1. IF adjustment

2. AM band

3. Tracking

1kHz, 30% mod

1710kHz (USA) 1620kHz (EUR)

1kHz, 30% mod

1400kHz (USA) 1404kHz (EUR) 1kHz, 30% mod

Repeat step 3

3-3 CD SECTION

450kHz

530kHz (USA) 522kHz (EUR)

600kHz (USA) 603kHz (EUR)

1710kHz (USA) 1620kHz (EUR)

530kHz (USA) 522kHz (EUR)

1710kHz (USA) 1620kHz (EUR)

600kHz (USA)

603kHz (EUR)

1400kHz (USA) 1404kHz (EUR)

PVC (AM OSC)

AM ANT COIL

PVC (AM ANT)

Center for max. output.

Adjust for max. output and best waveform.

Auto alignment.

GF-650

4 EXPLODED VIEWS AND PARTS LIST

EXPLODED VIEW - 1

EXPLODED VIEW-1

REF. NO

1-1

1-2 1-3 1-4

PARTS NO.

56-04GF3500B030 56-04GF3500B000 56-07GF3500B000 56-07GF3501B000 56-07GF3502B000

DESCRIPTION

FRONT PANEL [E,T/C] FRONT PANEL [JIS] DIAL BRACKET PULLEY BRACKET (1) PULLEY BRACKET(2)

GF-650

REMARKS

1-5 1-6 1-7 1-8

1-9 1-10 1-11 1-12 1-13

1-14 1-15

1-16 1-17

1-18

1-19 1-20 1-21

1-22 1-23 1-24

1-25 1-26 1-27

56-07GF35039000 56-07GF35049000 56-07GF3505B000 56-14GF3500B010 56-14GF3500B000

56-22GF35008010 56-22GF35018010 56-25GF3500B000 56-54GF6500B000 56-54GF6501B000

56-54GF3502B000 56-54GF3503B000 56-54GF3500B000 56-54GF3504B000 56-54GF3505B010

56-54GF3506B010 56-54GF3500B010 56-54GF3507B000 56-54GF3508B000 56-57GF65000020 56-57GF35000040 56-57GF35000050

56-57GF35019000 56-57GF35020000 56-57GF35030010 56-69GF3500B000 56-75GF3500G000 56-76ST1500B000

LCD HOLDER DIAL BACK LIGHT LENS HOLDER LAMP BRACKET CD DOOR [E,T/C] CD DOOR [JIS]

DIAL BACK LIGHT LENS COVER (L) DIAL BACK LIGHT LENS COVER (R) DIAL DRUM TUNING KNOB VOLUME KNOB

POWER KNOB FUNCTION KNOB [E,T/C] FUNCTION KNOB [JIS] RECORD KNOB STOP/PLAY/PAUSE KNOB

OPEN/CLOSE KNOB [E,T/C] OPEN/CLOSE KNOB [JIS] DELETE KNOB SKIP/REW KNOB DISPLAY LENS [E] DISPLAY LENS [T/C] DISPLAY LENS [JIS]

REC KNOB LENS LCD BACKLIGHT DIAL BACKLIGHT LENS WOODEN BOX COVER PLATE POINTER DIAL PULLEY

1-28 1-29

1-30 1-31 1-32

1-33 1-34

1-35 1-36 1-37

56-79GF3500B000 57-083182120020 56-80S16800B000 56-86GF3500B000

56-86GF3501B000

57-26GF35000020 57-26GF35000120 58-263102200020 58-263182600020 58-70GF65000120

58-70GF65000020

58-70GF65000220

TUNER SHAFT PVC PLATE 180x12x0.15mm SPEAKER PANEL STUD SPEAKER FRAME-L

SPEAKER FRAME-R

FILTER PLATE (1) FILTER PLATE (2) RUBBER FOOT DIA 10MM RUBBER FOOT DIA 18MM REAR BOARD [E] REAR BOARD [T/C] REAR BOARD [JIS]

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