Teac EX-M1 User manual

NOTES CONTENTS
EX-M1
CD Receiver System
1 SAFETY INFORMATION
NOTES CONTENTS
PC board shownare viewed fromparts side.
The parts withno reference numberor no partsnumber
in the explodedviews are notsupplied.
As regards theresistors and capacitors,refer to the
circuit diagrams containedin this manual.
Parts marked withthis sign aresafety critical
components. they mustbe replaced withidentical
ensure exact replacement.
!
components - referto the appropriateparts list and
2 SPECIFICATIONS
4 EXPLODED VIEW AND PARTS LIST
5 PC BOARDS AND PARTS LISTS
6 WIRING DIAGRAM
7 INCLUDED ACCESSORIES
2
3
6
10
16
18
3 ADJUSTMENT AND CHECKS 4
TEAC TEAC
TEAC

1 SAFETYINFORMATION
2
EX-M1
USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PROCEDURESOTHER THAN THOSESPECIFIED HEREIN MAY RESULTIN
HAZARDOUS RADIATIONEXPOSURE.
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 asclass 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 REMOVETHE PROTECTIVE HOUSINGUSING SCREWDRIVER.
IF THIS PRODUCTDEVELOPS TROUBLE, MAKEA CONTACTWITH OUR SERICEMAN,AND DO NOTUSE THE PRODUCTA TROUBLED STATE.
Optical pickup: Type : SF-P200Z
Laser output : Less than 0.5mW on theobjective lens
Wavelength : 765- 815 nm
Manufacturer : SANYOElectric Co., Ltd.
1
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 : ARTS
DATE CODE LABEL
For U.S.A

2 SPECIFICATIONS
3
CD PLAYER Section
Pickup:
Wavelength :
Audio frequency response :
3-beam pick-up
790 nm
20 Hz ~22 kHz
CASSETTE DECK Section
Track System:
TapeSpeed:
Wow andFlutter:
4 track, 2channel stereo
4.76 cm/sec
0.4% or less
Design and specificationsare subject tochange without notice.
Photos and illustrationsmay differ slightly from production models.
EX-M1
TUNER Section
AM : 530to 1710 kHz (10 kHz step)
Antenna : FM pigtail antenna
System :
Tuningrange :
synthesizer system
FM : 87.50~ 108.0 MHz (100kHz step)
PLL quartz-locked digital
AM bar antenna(built-in)
SPEAKER SYSTEM Section
Impedance: 3 ohm
System: 2-way shielded box
5-7/16lb (2.45 kg)
(5-3/4 x 9-3/16x 7-7/8) inches
146 x 233x 200 mm
Dimension (W xH x D):
Weight:
GENERAL
Power requirements:
Power consumption:
Dimension (W xH x D):
Standard Accessories: Remote Control Unit(RC-872) x 1
Owner's Manual x1
Warranty Card x 1
120V AC, 60Hz
25W
150 x 233x 218 mm
3-5/8lb (1.65 kg)
Output power: 5W x 2
(5-7/8 x 9-3/16x 8-9/16) inches
Weight:

4
EX-M1
3 ADJUSTMENTS AND CHECKS
Use a screwdriverwith a plasticor ceramic gripfor all adjustment.
3-1 TUNER SECTION
1. Set thefunction switch tothe AM position.
2. Connect thetest loop antennaacross the output of the signal generator.
3. Connect theoscilloscope to thespeaker terminal.
4. Set thesignal generator aslisted in the alignment chart.
3-1-2 AM adjustment
1. Set thefunction switch tothe FM position.
2. Connect thesignal generator outputthrough a 75 ohm dummy
3. Connect theoscilloscope to thespeaker terminal.
4. Set thesignal generator aslisted in the alignment chart.
3-1-1 FM adjustment
antenna to "ANT"on MAIN PCB.
EX-M1 TUNER PCB
L7 AM ANT COIL
L1
L2
CT2
CT1
T2
T3

5
3-1-3 FM/AM alignment chart
ITEM ADJUSTMENT POINT ADJUSTMENT
SG SETTING TUNER SETTING
1. FM band
2. Tracking
3. Tracking
106MHz 106MHz
Repeat step 2
90MHz 90MHz
87.5MHz 87.5MHz
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
1kHz, +/-22.5kHz dev.
L2
L1
CT1
FM
Adjust for max.output.
Adjust for max.output
and best waveform.
1. IF adjustment
2. AM band
450kHz 600kHz
Repeat step 3
600kHz
600kHz
1400kHz 1400kHz
530kHz 530kHz
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
1kHz, 30% mod
T2
L7
CT2
T3
AM
Adjust for max.output.
Adjust for max.output.
Adjust for max.output
and best waveform.
EX-M1
3-2 CASSETTE SECTION
1. Set theFUNCTION SELECTOR SWITCH TO TAPE.
2. Connect aScope & VTVMacross the speakeroutput.
3. Insert the8KHz tape into cassette deckand push play BUTTON.
4. ADJUST HEADfor speaker maximumoutput.
3-3 CD SECTION
Auto alignment.
AM ANT COIL
SCREWDRIVER
SCREWDRIVER
ADJUSTING
SCREW
MOTOR

1 3
2
4
6
5
8
7
7
7
7
7
37
34
32
35
10
30
9
19
18
37
12
11 13
13
13
29
13
14
29
15
37
35
16
17
20
21
22
31
36
23
36
28
24
26
33
25
27
36
30
37
36
36
EX-M1
4 EXPLODED VIEWS AND PARTS LIST
EXPLODED VIEW - 1
6

56-57EXM1520-40 REMOTE LENS
71-70DA23Z01-02 CD MECHANISM (SANYO)
56-04EXM10A1-B0 FRONT CABINET
56-24EXM1080-10 GEAR -A
56-24EXM1180-10
56-07EXM1280-10 CD DECK BRACKET
56-24EXM1280-10
56-24EXM1380-10 GEAR BRACKET-A
56-07EXM1180-10 REMOTE BRACKET
FUNCTION KNOB-M
56-54EXM10A1-10
56-54EXM12A1-10
56-07EXM1780-10 PCB BRACKET
56-54EXM11A1-10
1-1
1-2
1-3
1-4
1-5
1-7
1-8
1-9
1-10
1-6
1-12
1-13
1-14
1-15
1-11
1-17
1-18
1-19
1-20
1-16
1-22
1-23
1-24
1-25
1-21
1-27
1-28
1-29
1-30
1-26
1-32
1-33
1-34
1-35
1-31
1-37
1-36
REMARKS
REF. NO
EXPLODED VIEW-1
PARTS NO. DESCRIPTION
EX-M1
GEAR -B
GEAR -C
56-24EXM1480-10 GEAR BRACKET-B
FUNCTION KNOB-L
FUNCTION KNOB-R
01-EXM100002-00 TUNER PCB ASSY
01-EXM100005-00 KEY PCB ASSY
01-EXM100007-00 POWER PCB ASSY
01-EXM100009-00 H/P PCB ASSY
01-EXM100023-00 O/C SWITCH PCBASSY
01-EXM100030-00 CD PCB ASSY
61-11DV60000-00 PCB BRACKET
66-220300431-00 MACHINE SCREW MS/BH3x4
66-230300631-00 MACHINE SCREW MS/PH3x6
66-421301431-00 SELF-TAPPING SCREWTA/BH3x14
66-421301831-00 SELF-TAPPING SCREWTA/BH3x18
66-431300831-00 SELF-TAPPING SCREWTA/PH3x8
66-431301031-00 SELF-TAPPING SCREWTA/PH3x10
66-431301231-00 SELF-TAPPING SCREWTA/PH3x12
61-61DCD2000-00 LOCK WASHER
58-61AC230B3-00 SHOCK ABSORBER
58-261230001-00 RUBBER FOOT (HARD)
58-44NSX2000-00 CD MOTOR
56-760000000-JA DOOR MOTOR PULLY
58-04NSX2000-00 DRIVE BELT
68-013010057-00 METAL WASHER
FIBRE WASHER
68-023008042-00
68-013210107-00 METAL WASHER
7

2
3
1
4
5
6
7
9
8
50
13
14
16
51
17
19
49
20
21
22
53
46
23
24
53
46 42
31
32
30
29
43
26
27
25
52
48
34
52
44
35
36
47
37
51
43
39
40
43 25
38
41
33
28
51
18
15
47
11
12
10
45
EX-M1
EXPLODED VIEW - 2
8

!
56-57EXM1400-70
56-57EXM1110-70 CD DOOR LENS
56-07EXM1480-10
56-07EXM1880-10 POWER LED BRACKET
56-14EXM10A1-10 CD DOOR
56-58EXM1180-10 BADGE LOGO -TEAC
56-55EXM10A1-10 CASS KNOB-6KEY
56-07EXM1090-10 BACK LIGHT LENSBRACKET
CD DOOR SHAFTBRACKET-L
56-07EXM1380-10
56-14EXM11A1-10 CD DOOR BASE
56-24EXM1680-10 CASS GEAR BRACKET
CASS GEAR
56-24EXM1580-10
56-57EXM1200-70 POWER LENS
56-05EXM10A1-B0 REAR CABINET
BATTERY DOOR
56-06EXM10A1-A0
BACK LIGHT LENS
56-06EXM11A1-A0 BATTERY BOX
56-07EXM16A1-10 CASS DOOR BRACKET
56-13EXM10A1-10 CASS DOOR
18-2573EXM10-19 TRANSFORMER EI-57 120V
56-07EXM1580-10 AC CORD PLATE
CD DOOR SHAFTBRACKET-R
01-EXM100004-00 DISPLAY PCBASSY
01-EXM100016-00 LED PCB ASSY
01-EXM100020-00 R/P PCB ASSY
61-11EXM1000-00 REC.PCB BRACKET
61-11EXM1001-00 MTG-BRACKET CASS KNOB
61-11EXM1002-00 SHIELDING PLATE
61-97EXM1000-00 CASS DOOR SPRING
MACHINE SCREW MS/KH3x8
66-421260831-00 SELF-TAPPING SCREWTA/BH2.6x8
66-421301231-00 SELF-TAPPING SCREWTA/BH3x12
66-431301631-00 SELF-TAPPING SCREWTA/PH3x16
66-432300631-00 SELF-TAPPING SCREWTB/PH3x6
66-451301031-00 SELF-TAPPING SCREWTA/KH3x10
66-451301231-00 SELF-TAPPING SCREWTA/KH3x12
66-481261231-00 SELF-TAPPING SCREWTA/WH2.6x12
66-520200331-00 SELF-TAPPING SCREWTT/BH2x3
2-1
REF. NO
EXPLODED VIEW-2
PARTS NO. DESCRIPTION
2-2
2-3
2-4
2-5
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
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
56-57EXM1300-70 DISPLAY LENS
57-26EXM1000-00 FILTER SHEET
56-57EXM1600-70 CASS DOOR LENS
71-06EXM1000-20 F/CASS DECK
61-76SCD6600-00 RECORDING PLATE
58-01EXM1000-00 SPEAKER BOX ASSY
61-250066000-00 BATTERY CONTACT PLATE (+)
61-26SX88000-00 BATTERY SPRING (+/-)
61-260066000-00 BATTERY CONTACT SPRING (-)
57-083225001-07 PVC PLATE
9
57-082213001-07 PVC PLATE
RUBBER FOOT (HARD)
58-261230001-00
AC CORD SPT-26FT CUL
45-111830104-06
METAL WASHER
68-013210107-00
66-230300631-00 MACHINE SCREW MS/PH3x6
66-250300831-00
66-421301031-00 SELF-TAPPING SCREWTA/BH3x10
66-431301231-00 SELF-TAPPING SCREWTA/PH3x12
REMARKS
EX-M1

5 PC BOARDS AND PARTS LIST
10
TUNER PCB ASSY
REF. NO PARTS NO.
01-EXM100002-00
48-EXM100002-00
Q2,8,9,10 11-9014C0001-00
D1,2 15-0001N4148-00
IC1 16-LC7213100-01
IC2 16-LA1823000-00
X5 31-145004000-18
43-9A2001071-00
ZD6 12-156103100-00
15-SVC201SPA-11
15-SVC321SPA-11
31-610705021-01
31-245003015-20
32-211801100-00
38-204510004-00
38-206820010-00
40-0000660R2-18
40-0000A0494-18
D3,4
D5,33
T2
Q3 11-8050C0002-00
CON2
X1
CF1
L7
T3
L1
38-203510004-00
L2,3
EX-M1
CF3
31-210705100-20
CT1,2 28-120110100-02
REF. NO PARTS NO.
01-EXM100020-00
R/P PCB ASSY
48-EXM100020-00
11-9014C0001-00
11-9015C0001-00
16-BA3308000-02
40-621000100-08
41-191100100-03
43-9A2001041-00
Q5
Q4,6
IC3
T1
SW1
CON5
41-132212809-0V
DESCRIPTION
TUNER BOARD ASSY
TUNER PCB
TR-9014C
DIODE - 1N4148
IC-LC72131
IC-LA1823
CRYSTAL 4.500MHZ
WAFER 7 PINS 180C
ZENER DIODE 5.6V
VAR DIODESVC201SPA
VAR DIODESVC321SPA
CDA 10.7MG1-A
CER.FILTER LTP450B
FERRITE BAR 10X80MM
FM COIL 4.5X4.5TX0.8MM
AM COIL 68:20T
IFT 660R (RED)
IFT A049 (YELLOW)
TR-8050C
FM COIL 4.5X3.5TX0.8MM
CER.FILTER LT10.7MA5-A
TRIMMER 20PF
R/P PCB ASSY
DESCRIPTION
RECORDER PCB
TR-9014C
TR-9015C
IC-BA3308
IFT- 621 (BLK)
PUSH SWITCH
WAFER 4P P=2MM
SLIDE SWITCH
SW2
REMARKS
REMARKS