TEAC MC-DV250 Service Manual

Cover page of TEAC MC-DV250 Service Manual

Service Manual for TEAC MC-DV250, downloadable as a PDF file.

We also have owner's manual to this model.

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  • The manual has 23 pages
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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
ensure exact replacement.
!
components - refer to the appropriate parts list and
1 SPECIFICATIONS
2
3 EXPLODED VIEW AND PARTS LIST
5 INCLUDED ACCESSORIES
2 ADJUSTMENT AND CHECKS
3
9
22
4
MC-DV250
[E]: EUROPE [UK]: U.K. [A]: AUSTRALIA
DVD Home Theater System
[CN]: CHINA [HK]: HONG KONG
4 PC BOARDS AND PARTS LISTS
background image
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
ensure exact replacement.
!
components - refer to the appropriate parts list and
1 SPECIFICATIONS
2
3 EXPLODED VIEW AND PARTS LIST
5 INCLUDED ACCESSORIES
2 ADJUSTMENT AND CHECKS
3
9
22
4
MC-DV250
[E]: EUROPE [UK]: U.K. [A]: AUSTRALIA
DVD Home Theater System
[CN]: CHINA [HK]: HONG KONG
4 PC BOARDS AND PARTS LISTS
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MC-DV250
2
1 SPECIFICATIONS
Pickup :
Signal System :
NTSC / PAL
Semiconductor laser, wave length 650/790 nm
Video signal horizontal resolution :
More than 50 dB (DVD)
DVD Player
More than 480 lines (DVD)
Dynamic range :
Audio frequency response :
Audio signal-to-noise ratio :
62 dB
80 dB
20 Hz ~ 20 kHz (+1/-3dB)
Video signal-to-noise-ratio :
S-Video output
Y (luminance) - Output level :
1 Vp-p (75 ohm)
C (color) - Output level :
286 mVp-p (75 ohm)
Jack :
S-VIDEO jack
Video output
Output level :
1 Vp-p (75 ohm)
Jack :
RCA jack
Component video output (Y, PB, PR)
Y-Output level :
1 Vp-p (75 ohm)
0.7 Vp-p (75 ohm)
PB, PR-output level:
Jacks :
RCA jacks
AV connector
Jack :
SCART
Output Power :
25 W + 25 W
Amplifier
(Stereo, 0.7% THD, 20 Hz TO 20 kHz, 6 ohm)
0.09% (at 25 W, 1kHz, 6 ohm)
Total Harmonic Distortion:
Audio Input sensitivity/impedance:
*LINE: 400mV/47 ohm
Output level/impedance (TAPE REC)
180 mV/ 2.2ohm
Frequency Response :
* LINE 20 Hz to 28kHz, +0 /-3 dB
Signal-to-noise Ratio :
* LINE 80 dB (IHF-A)
Tone control :
BASS: +/- 10dB at 100Hz
TREBLE +/- 10dB at 10 kHz
Tuning Range :
Stereo Separation (1 kHz) :
87.5 ~ 108.0 MHz (50 kHz steps)
Mono: 55 dB
FM Tuner (Without notes 100.1 MHz, 65 dBf)
40 dB
Signal-to-Noise Ratio :
Mono : 0.5%
Total Harmonic Distortion (1 kHz) :
Stereo: 0.8%
Frequency Response :
30 Hz to 15 kHz, +/- 3dB
Stereo: 45 dB
Tuning Range :
522 ~ 1611 kHz (9 kHz steps)
AM Tuner
Usable Sensitivity :
500 uV/m
1.5% at 100 dB/m
Total Harmonic Distortion :
40 dB at 100 dB/m
Signal-to-Noise Ratio :
Speaker Cable x 2
FM T-type Antenna x 1
AM loop Antenna x 1
Owner Manual x 1
Batteries (AAA, R03, UM-4) x 2
Accessories
FM Matching Transformer x 1
Subwoofer cable (RCA) x1
Remote Control Unit x 1 (RC-965)
General (Main unit)
Dimension (W x H x D ):
Weight (net) :
Power requirements :
AC 220V 50 Hz (China model)
Power consumption :
95 W (STAND BY: 1W)
5.4 kg
360 x 102 x 275 mm
AC 230V, 50Hz (Europe/U.K/Hong Kong model)
AC 240V, 50Hz (Australia model)
Active Subwoofer
Unit :
16.5 cm cone type
Impedance :
4 ohm
Output Power:
50 W
200 x 297 x 315 mm
Dimension (W x H x D ):
Weight :
7.0 kg
Input Power :
30 W maximun
Speakers System ( L & R)
Impedance :
110 x 220 x 100 mm
Dimension (W x H x D ):
6 ohm
1 kg
Unit :
2.5 cm / 8 cm cone type
Weight (net) :
Design and specifications are subject to change without notice.
Weight and dimensions are approximate.
LINE means: TAPE PLAY, AUX
*
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3
MC-DV250
2-1 Adjustments
ITEM
SG GENERATOR SETTING
MODULATION
2.FM Auto Stop Level
1 kHz
3. FM Stereo Separation
400Hz
1. FM Output Level
60 dBu
98.1 MHz
Check
4. AM Output Level
OUTPUT
5. AM Auto Stop Level
SETTING
FREQUENCY
POINTS
ADJUSTMENT
SPECIFICATION
40 kHz deviation
40 kHz deviation
1 kHz
1 kHz
MAIN: 53.5%
PILOT: 10%
30% modulation
30% modulation
400Hz
60 dBu
74 dBu
98.1 MHz
98.1 MHz
999 kHz
999 kHz
SVR01
SVR02
Check
SVR03
500 +/- 100mV
(47 k ohm load)
20 +/- 6 dBu
30 dB min
165 +/- 55 mV
(47 k ohm load)
55 +/- 15 dBu
2 ADJUSTMENTS AND CHECKS
Fig. 2-2
SVR03
SVR01
SVR02
AM AUTO STOP LEVEL ADJ
FM STEREO SEPARATION ADJ
FM AUTO STOP LEVEL ADJ
1
13
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1
2
3
4
5
6
7
8
10
11
12
13
14
16
15
17
18
19 20
22
24
25
26
27
28
29
30
31
32
33
21
23
9
36
35
34
39
38
37
47
48
49
46
45
43
41
40
42
44
MC-DV250
4
EXPLODED VIEW 1
3. EXPLODED VIEWS AND PARTS LIST
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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
REMARKS
REF. NO
EXPLODED VIEW-1
PARTS NO.
DESCRIPTION
1-1
CASE, BOTTOM [E, UK,A,HK].
3037210281010
3037210281030
CASE, BOTTOM [CN]
3007210491000
CABINET, TOP [E,UK]
3007210491010
G4062C1111000
JACK, MODULAR
G600000010020
TERMINAL, RCA 1PIN
4147210011000
STAND, VFD
4070210801000
SUPPORTER, LED
4010212026000
BRACKET, VFD
7028063322010
FRONT PCB ASSY
5090212521000Z
BUTTON, FUNCTION-L
5077212013000
WINDOW, DISC
4317212101000
COVER, VENTILATION
5077212023000
WINDOW, VFD
G040404204220
SW , PUSH
TERMINAL, RCA 4PIN
3207211506010
CHASSIS, BACK [A]
3207211506000
CHASSIS, BACK [E,UK]
3207211506040
CHASSIS, BACK [CN]
TUNER, KST-ML114MS1-A10 [E,UK]
E903114110010
CHASSIS, BACK [HK]
G600010003020
TERMINAL, RCA1PIN
1-16
1-17
1-18
MC-DV250
5
1-25
1150210017000
NON STEEL, FOIL
G720420100010
FAN, DC
3210210766000
FRAME, MAIN
1150210027000
NON STEEL, FOIL
4050211065000
STOPPER, AC CORD
CUSHION, FLT GUIDE
5047210421000
DOOR, TRAY
8030803000010
DVD LOADING MECHA
1200210069000
SPONGE, BTN
3070210226000
SHIELD, DSP
5200210182000
FILTER, LED
L068040014050
4380210002000
CORD ASSY [E]
L068040350011
CABINET, TOP [A,CN,HK]
DECORATION, POWER
5127210551000Z
TUNER, KST-ML014MS1-A10 [A,CN,HK]
1-19
1-20
MODULE, GP1FA513TZ
TERMINAL, RCA 4PIN
BRACKET, PHONE JACK
HEAT SINK
JACK, D3.5
BRACKET, FAN
1-21
1-22
1-23
1-24
1-26
1-27
1-28
1-29
1-30
!
CORD ASSY [UK,HK]
CORD ASSY [A]
CORD ASSY [CN]
1-31
1-32
1-33
1-34
1-35
1-36
G602404C0600Y
3207211506020
E903114110010
E100151300010
G602405A2040Y
4010212016000
2120210738000
G401323A0000Y
4010212006000
L068040230050
L068020140011
!
!
!
!

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