TEAC GF-350 Service manual
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
components - refer to the appropriate parts list and
ensure exact replacement.
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
2
3
4
6
9
15
17
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
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.
1
Optical pickup:
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
120V ~ 60Hz
TOKYO JAPAN
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
: RISQUE DE CHOC ELECTRIQUE
AVIS
NE PAS OUVRIR.
55W
SERIAL NO.
MADE IN CHINA
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
THIS PRODUCT COMPLIES WITH DHHS
!
RULES 21 CFR SUBCHAPTER J APPLICABLE AT DATE OF MANUFACTURE.
TEAC CORPORATION
3-7-3, NAKA-CHO, MUSASHINO-SHI, TOKYO, JAPAN
MANUFACTURED : LTC
2005
1
FOR U.S.A.
CERTIFICATION
2
2 SPECIFICATIONS
GF-350
AMPLIFIER Section
Out Power:
Frequency Response
3.5W + 3.5W
60 Hz to 20 kHz
CD PLAYER Section
Frequency Response:
Wow and Flutter:
50 Hz to 20 kHz (+/- 1dB)
Unmeasurable
TUNER Section
Frequency Range (FM):
Frequency Range (AM):
87.5MHz to 108.00 MHz
530kHz to 1710 kHz
Record Player Section
Motor:
Driver System:
Speed:
Wow and flutter:
Cartridge type: Ceramic Stereo Cartridge
Stylus:
DC servo motor
Belt Drive
33-1/3 rpm, 45 rpm, 78 rpm
Less than 0.15% (WDT)
STL-153
GENERAL
Power Requirements:
Power Consumption:
Dimension (W x H x D ):
Weight:
Standard Accessories:
,
Owner s Manual x 1
Warranty Card x 1
Remote Control x 1
Battery 1.5V SS/UM-3
120V AC,60Hz
55 W
480 x 230 x 380 mm
10.5 kg
SPEAKER SYSTEM Section
Type:
Impedance:
Design and specifications are subject to change without notice.
Weight and dimensions are approximate.
Illustrations may differ slightly from production models.
1-way
4 ohms
3
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
L6
AM ANT COIL
T2
T3
PVC1
C3
C2
C1
L3
C4
L2
4
3-2-1 FM/AM alignment chart
GF-350
ITEM
FM
FM
1. IF adjustment
2. FM band
3. Tracking
SG SETTING
10.7MHz
87.5MHz
1kHz, +/-22.5kHz dev.
108MHz
1kHz, +/-22.5kHz dev.
90MHz
1kHz, +/-22.5kHz dev.
106MHz
1kHz, +/-22.5kHz dev.
Repeat step 3 to obtain max adjust.
TUNER SETTING
108MHz
87.5MHz
108MHz
90MHz
106MHz
ADJUSTMENT POINT
T3 (FM ORG)
L3 (FM OSC COIL)
PVC (C2)
L2 ( FM RF COIL)
PVC (C1)
ADJUSTMENT
With 10.7 MHz at
zero crossover
Adjust for max.output.
Adjust for max. output
AM
1. IF adjustment
2. AM band
3. Tracking
450 kHz
1kHz, 30% mod
530kHz
1kHz, 30% mod
1710kHz
1kHz, 30% mod
600kHz
1kHz, 30% mod
1400kHz
1kHz, 30% mod
Repeat step 3 to obtain best tracking.
1710kHz
530kHz
1710kHz
600kHz
1400kHz
T2 (AM IF)
L6 (AM OSC COIL)
PVC (C4)
AM ANT COIL
PVC (C3)
Center & max.output.
Adjust for max. output.
Adjust for max. output
3-2-2 CD alignment
Auto alignment.
5
GF-350
12
13
6
4. EXPLODED VIEWS AND PARTS LIST
EXPLODED VIEW 1
35
74
74
61
61
74
61
48
40
49
90
88
92
89
71
85
66
6
24
9
59
69
82
14
15
19
21
13
26
10
16
1
33
23
22
17
20
18
3
27
66
28
34
5
70
86
70
7
66
66
95
91
96
93
94
67
27
77
27
71
11
66
27
4
62
62
73
42
73
31
65
65
65
67
65
67
2
51
50
57
45
62
65
52
62
8
30
80
69
52
84
62
78
73
29
30
30
69
36
30
72
58
80
69
69
32
62
73
43
68
68
30
36
58
72
69
35
81
61
68
63
25
70
30
58
55
70
61
75
X4
70
68
61
68
63
70
70
69
55
55
36
72
44
54
37
41
36
72
74
39
54
60
64
56
87
47
76
X4
79
70
61
74
44
74
60
48
54
64
64
62
53
53
56
83
47
46
38
48
64
54
60
53
74
74
61
74
61
44
60
74
44
54
64
64
EXPLODED VIEW-1
REF. NO
1-1
1-2
1-3
1-4
1-5
PARTS NO.
56-04GF3500B010
56-07GF3500B000
56-07GF3501B000
56-07GF3502B000
56-07GF35039000
DESCRIPTION
FRONT PANEL
DIAL BRACKET
PULLEY BRACKET (1)
PULLEY BRACKET (2)
LCD HOLDER
GF-350
REMARKS
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
1-28
1-29
1-30
56-07GF35049000
56-07GF3505B000
56-14GF3500B010
56-22GF35008010
56-22GF35018010
56-25GF3500B000
56-54GF35008000
56-54GF35018000
56-54GF3502B000
56-54GF3503B000
56-54GF3504B000
56-54GF3505B010
56-54GF3506B010
56-54GF3507B000
56-54GF3508B000
56-57GF35000010
56-57GF35019000
56-57GF35020000
56-57GF35030010
56-69GF3500B000
56-75GF3500G000
56-76ST1500B000
56-79GF3500B000
56-79GF3501B000
56-80S16800B000
DIAL BACK LIGHT LENS HOLDER
LAMP BRACKET
CD DOOR
DIAL BACK LIGHT LENS COVER - L
DIAL BACK LIGHT LENS COVER - R
DIAL DRUM
TUNING KNOB
VOLUME/REC. LEVEL KNOB
POWER KNOB
PHONE/AUX, FM/AM, CD KNOB
TRACK/RECORD KNOB
STOP/PLAY/PAUSE KNOB
OPEN/CLOSE KNOB
ERASE/FINALIZE KNOB
MUSIC SKIP KNOB
DISPLAY LENS
REC KNOB LENS
LCD BACK LIGHT LENS
DIAL BACK LIGHT LENS
WOODEN BOX COVER PLATE
POINTER
DIAL PULLEY
TUNING SHAFT
SHAFT ADAPTOR
SPEAKER PANEL STUD
1-31
1-32
1-33
1-34
1-35
1-36
1-37
1-38
1-39
1-40
1-41
1-42
1-43
1-44
1-45
1-46
1-47
1-48
1-49
1-50
56-86GF3500B000
56-86GF3501B000
57-26GF35000020
57-26GF35000120
58-263102200020
58-263202600120
58-70GF35000020
58-71GF35000220
58-71GF35000020
58-71GF35000120
58-73GF35000020
61-11GF35000020
61-11GF35000120
61-11GF35000220
61-11SN11600021
61-22SG19000020
61-25SCD6600020
61-57GF35000020
61-57GF35000120
61-95T060800020
SPEAKER FRAME - L
SPEAKER FRAME - R
FILTER PLATE - 1
FILTER PLATE - 2
RUBBER FOOT D=10mm
HARD RUBBER FOOT
REAR BOARD
WOODEN PLATE 230x29x3mm
WOODEN PLATE 449.6x58x9mm
WOODEN TOP COVER
WOODEN BOX
CD MACHINE BRACKET - L
CD MACHINE BRACKET - R
WOODEN BRACKET
PVC BRACKET
BUSHING MOUNTING PLATE
CONTACT PLATE
LOOSE LEAF
WOODEN BOX OPEN/CLOSE SHAFT
SPRING DIAL
7
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