TEAC EXM-1 Service manual
TEAC
TEAC
TEAC
EX-M1
CD Receiver System
NOTES
NOTES
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.
CONTENTS
CONTENTS
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
10
16
18
EX-M1
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.
1
For U.S.A
1
CERTIFICATION
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 : ARTS
DATE CODE LABEL
Optical pickup:
Type : SF-P200Z
Manufacturer : SANYO Electric Co., Ltd.
Laser output : Less than 0.5 mW on the objective lens
Wavelength : 765 - 815 nm
2
CD PLAYER Section
Pickup:
Wavelength :
Audio frequency response :
CASSETTE DECK Section
Track System:
Tape Speed:
Wow and Flutter:
TUNER Section
System :
Tuning range :
EX-M1
2 SPECIFICATIONS
3-beam pick-up
790 nm
20 Hz ~ 22 kHz
4 track, 2 channel stereo
4.76 cm/sec
0.4% or less
PLL quartz-locked digital
synthesizer system
FM : 87.50 ~ 108.0 MHz (100kHz step)
AM : 530 to 1710 kHz (10 kHz step)
Antenna :
SPEAKER SYSTEM Section
System:
Impedance:
Dimension (W x H x D ):
146 x 233 x 200 mm
Weight:
GENERAL
Output power:
Power requirements:
Power consumption:
Dimension (W x H x D ):
Weight:
Standard Accessories:
FM pigtail antenna
AM bar antenna (built-in)
2-way shielded box
3 ohm
(5-3/4 x 9-3/16 x 7-7/8) inches
5-7/16lb (2.45 kg)
5W x 2
120V AC, 60Hz
25W
(5-7/8 x 9-3/16 x 8-9/16) inches
150 x 233 x 218 mm
3-5/8lb (1.65 kg)
Remote Control Unit (RC-872) x 1
Owner's Manual x 1
Warranty Card x 1
Design and specifications are subject to change without notice.
Photos and illustrations may differ slightly from production models.
3
EX-M1
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.
EX-M1 TUNER PCB
CT2
T2
T3
L7 AM ANT COIL
CT1
L1
L2
4
3-1-3 FM/AM alignment chart
EX-M1
ITEM
FM
1. FM band
2. Tracking
AM
1. IF adjustment
2. AM band
SG SETTING
87.5MHz
1kHz, +/-22.5kHz dev.
90MHz
1kHz, +/-22.5kHz dev.
106MHz
1kHz, +/-22.5kHz dev.
Repeat step 2
450kHz
1kHz, 30% mod
530kHz
1kHz, 30% mod
TUNER SETTING
87.5MHz
90MHz
106MHz
600kHz
530kHz
ADJUSTMENT POINT
L2
L1
CT1
T3
T2
ADJUSTMENT
Adjust for max.output.
Adjust for max. output
and best waveform.
Adjust for max.output.
Adjust for max. output.
600kHz
1kHz, 30% mod
600kHz
3. Tracking
1400kHz
1kHz, 30% mod
1400kHz
Repeat step 3
3-2 CASSETTE SECTION
1. Set the FUNCTION SELECTOR SWITCH TO TAPE.
2. Connect a Scope & VTVM across the speaker output.
3. Insert the 8KHz tape in to cassette deck and push play BUTTON.
4. ADJUST HEAD for speaker maximum output.
3-3 CD SECTION
Auto alignment.
L7
AM ANT COIL
CT2
SCREWDRIVER
Adjust for max. output
and best waveform.
ADJUSTING
SCREW
MOTOR
SCREWDRIVER
5
EX-M1
4 EXPLODED VIEWS AND PARTS LIST
EXPLODED VIEW - 1
36
1
32
6
7
5
37
2
30
36
35
3
4
37
34
36
15
29
14
13
29
35
37
10
13
13
18
8
7
13
37
30
9
7
7
7
19
11
36
21
12
20
22
23
36
28
24
25
31
16
17
26
33
27
6
EXPLODED VIEW-1
REF. NO
1-1
1-2
1-3
1-4
1-5
PARTS NO.
01-EXM100030-00
56-07EXM1780-10
01-EXM100007-00
01-EXM100002-00
01-EXM100023-00
DESCRIPTION
CD PCB ASSY
PCB BRACKET
POWER PCB ASSY
TUNER PCB ASSY
O/C SWITCH PCB ASSY
EX-M1
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
56-04EXM10A1-B0
61-61DCD2000-00
61-11DV60000-00
01-EXM100009-00
56-54EXM11A1-10
56-54EXM10A1-10
56-54EXM12A1-10
58-61AC230B3-00
71-70DA23Z01-02
56-07EXM1280-10
01-EXM100005-00
56-07EXM1180-10
58-261230001-00
56-57EXM1520-40
58-44NSX2000-00
56-760000000-JA
56-24EXM1380-10
58-04NSX2000-00
56-24EXM1180-10
56-24EXM1280-10
56-24EXM1080-10
56-24EXM1480-10
68-013010057-00
68-023008042-00
68-013210107-00
FRONT CABINET
LOCK WASHER
PCB BRACKET
H/P PCB ASSY
FUNCTION KNOB-L
FUNCTION KNOB-M
FUNCTION KNOB-R
SHOCK ABSORBER
CD MECHANISM (SANYO)
CD DECK BRACKET
KEY PCB ASSY
REMOTE BRACKET
RUBBER FOOT (HARD)
REMOTE LENS
CD MOTOR
DOOR MOTOR PULLY
GEAR BRACKET-A
DRIVE BELT
GEAR -B
GEAR -C
GEAR -A
GEAR BRACKET-B
METAL WASHER
FIBRE WASHER
METAL WASHER
1-31
1-32
1-33
1-34
1-35
1-36
1-37
66-220300431-00
66-230300631-00
66-421301431-00
66-421301831-00
66-431300831-00
66-431301031-00
66-431301231-00
MACHINE SCREW MS/BH3x4
MACHINE SCREW MS/PH3x6
SELF-TAPPING SCREW TA/BH3x14
SELF-TAPPING SCREW TA/BH3x18
SELF-TAPPING SCREW TA/PH3x8
SELF-TAPPING SCREW TA/PH3x10
SELF-TAPPING SCREW TA/PH3x12
7
EX-M1
EXPLODED VIEW - 2
13
50
47
8
1
45
7
6
2
4
3
5
25
27
28
9
26
29
11
10
20
30
12
49
22
53
19
46
21
17
53
51
32
14
15
16
51
18
46
23
24
42
31
33
52
35
44
48
41
34
36
47
43
52
37
38
51
43
39
43
40
25
8
EXPLODED VIEW-2
REF. NO
2-1
2-2
2-3
2-4
2-5
PARTS NO.
56-14EXM10A1-10
56-58EXM1180-10
56-57EXM1110-70
56-57EXM1200-70
56-57EXM1300-70
DESCRIPTION
CD DOOR
BADGE LOGO - TEAC
CD DOOR LENS
POWER LENS
DISPLAY LENS
EX-M1
REMARKS
2-6
2-7
2-8
2-9
2-10
2-11
2-12
2-13
2-14
2-15
2-16
2-17
2-18
2-19
2-20
2-21
2-22
2-23
2-24
2-25
2-26
2-27
2-28
2-29
2-30
57-26EXM1000-00
56-57EXM1400-70
56-07EXM1090-10
01-EXM100016-00
56-07EXM1880-10
01-EXM100004-00
56-14EXM11A1-10
56-57EXM1600-70
56-13EXM10A1-10
61-97EXM1000-00
56-07EXM16A1-10
56-24EXM1580-10
56-24EXM1680-10
61-11EXM1001-00
56-55EXM10A1-10
71-06EXM1000-20 F/CASS DECK
61-76SCD6600-00
61-11EXM1000-00
01-EXM100020-00
58-01EXM1000-00
56-06EXM11A1-A0
61-250066000-00
61-26SX88000-00
61-260066000-00
56-05EXM10A1-B0
FILTER SHEET
BACK LIGHT LENS
BACK LIGHT LENS BRACKET
LED PCB ASSY
POWER LED BRACKET
DISPLAY PCB ASSY
CD DOOR BASE
CASS DOOR LENS
CASS DOOR
CASS DOOR SPRING
CASS DOOR BRACKET
CASS GEAR
CASS GEAR BRACKET
MTG-BRACKET CASS KNOB
CASS KNOB-6KEY
RECORDING PLATE
REC.PCB BRACKET
R/P PCB ASSY
SPEAKER BOX ASSY
BATTERY BOX
BATTERY CONTACT PLATE (+)
BATTERY SPRING (+/-)
BATTERY CONTACT SPRING (-)
REAR CABINET
2-31
2-32
2-33
2-34
2-35
2-36
2-37
2-38
2-39
2-40
2-41
2-42
2-43
2-44
2-45
2-46
2-47
2-48
2-49
2-50
2-51
2-52
2-53
57-083225001-07
57-082213001-07
56-07EXM1380-10
56-07EXM1480-10
61-11EXM1002-00
!
18-2573EXM10-19
56-07EXM1580-10
56-06EXM10A1-A0
58-261230001-00
45-111830104-06
68-013210107-00
66-230300631-00
66-250300831-00
66-421260831-00
66-421301031-00
66-421301231-00
66-431301231-00
66-431301631-00
66-432300631-00
66-451301031-00
66-451301231-00
66-481261231-00
66-520200331-00
PVC PLATE
PVC PLATE
CD DOOR SHAFT BRACKET-L
CD DOOR SHAFT BRACKET-R
SHIELDING PLATE
TRANSFORMER EI-57 120V
AC CORD PLATE
BATTERY DOOR
RUBBER FOOT (HARD)
AC CORD SPT-2 6FT CUL
METAL WASHER
MACHINE SCREW MS/PH3x6
MACHINE SCREW MS/KH3x8
SELF-TAPPING SCREW TA/BH2.6x8
SELF-TAPPING SCREW TA/BH3x10
SELF-TAPPING SCREW TA/BH3x12
SELF-TAPPING SCREW TA/PH3x12
SELF-TAPPING SCREW TA/PH3x16
SELF-TAPPING SCREW TB/PH3x6
SELF-TAPPING SCREW TA/KH3x10
SELF-TAPPING SCREW TA/KH3x12
SELF-TAPPING SCREW TA/WH2.6x12
SELF-TAPPING SCREW TT/BH2x3
9
EX-M1
TUNER PCB ASSY
REF. NO
CON2
CF1
PARTS NO.
01-EXM100002-00
48-EXM100002-00
32-211801100-00
43-9A2001071-00
31-210705100-20
5 PC BOARDS AND PARTS LIST
DESCRIPTION
TUNER BOARD ASSY
TUNER PCB
FERRITE BAR 10X80MM
WAFER 7 PINS 180C
CER.FILTER LT10.7MA5-A
REMARKS
CF3
CT1,2
D1,2
D3,4
D5,33
IC1
IC2
L1
L2,3
L7
Q2,8,9,10
Q3
T2
T3
X1
X5
ZD6
31-245003015-20
28-120110100-02
15-0001N4148-00
15-SVC201SPA-11
15-SVC321SPA-11
16-LC7213100-01
16-LA1823000-00
38-204510004-00
38-203510004-00
38-206820010-00
11-9014C0001-00
11-8050C0002-00
40-0000660R2-18
40-0000A0494-18
31-610705021-01
31-145004000-18
12-156103100-00
R/P PCB ASSY
REF. NO
CON5
IC3
Q4,6
PARTS NO.
01-EXM100020-00
48-EXM100020-00
43-9A2001041-00
16-BA3308000-02
11-9015C0001-00
CER.FILTER LTP450B
TRIMMER 20PF
DIODE - 1N4148
VAR DIODE SVC201SPA
VAR DIODE SVC321SPA
IC-LC72131
IC-LA1823
FM COIL 4.5X4.5TX0.8MM
FM COIL 4.5X3.5TX0.8MM
AM COIL 68:20T
TR-9014C
TR-8050C
IFT 660R (RED)
IFT A049 (YELLOW)
CDA 10.7MG1-A
CRYSTAL 4.500MHZ
ZENER DIODE 5.6V
DESCRIPTION
R/P PCB ASSY
RECORDER PCB
WAFER 4P P=2MM
IC-BA3308
TR-9015C
REMARKS
10
Q5
T1
SW1
SW2
11-9014C0001-00
40-621000100-08
41-191100100-03
41-132212809-0V
TR-9014C
IFT- 621 (BLK)
PUSH SWITCH
SLIDE SWITCH
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