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SERVICE MANUAL
VIDEO CASSETTE RECORDER
FILE NO. 140-200012
W501


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SERVICING NOTICES ON CHECKING
As for the places which need special attentions,
they are indicated with the labels or seals on the
cabinet, chassis and parts. Make sure to keep the
indications and notices in the operation manual.
PERFORM A SAFETY CHECK AFTER
SERVICING
4.
Confirm that the screws, parts and wiring which
were removed in order to service are put in the
original positions, or whether there are the
portions which are deteriorated around the
serviced places serviced or not. Check the
insulation between the antenna terminal or
external metal and the AC cord plug blades.
And be sure the safety of that.
2. USE THE DESIGNATED PARTS
The parts in this equipment have the specific
characters of incombustibility and withstand
voltage for safety. Therefore, the part which is
replaced should be used the part which has
the same character.
Especially as to the important parts for safety
which is indicated in the circuit diagram or the
table of parts as a
mark, the designated
parts must be used.
1. KEEP THE NOTICES
3. PUT PARTS AND WIRES IN THE
ORIGINAL POSITION AFTER
ASSEMBLING OR WIRING
There are parts which use the insulation
material such as a tube or tape for safety, or
which are assembled in the condition that
these do not contact with the printed board.
The inside wiring is designed not to get closer
to the pyrogenic parts and high voltage parts.
Therefore, put these parts in the original
positions.
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
HOW TO ORDER PARTS


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GENERAL SPECIFICATIONS
G-1. Outline of the Product
2
-Speed
1/2" Video Cassette Recorder
G-2. VCR Format
VHS Standard
NTSC
PAL
SECAM
PAL-M
PAL-N
VHS Hi-Fi Audio System
G-3. Video Recording System
: Rotary,slant azimuth two head helical scan system
Luminance Component
: FM recording
Chrominance Component: Low frequency converted direct recording
G-4. Broadcasting System
US
System
M
G-5. Color System
NTSC
PAL
SECAM or Monochrome
G-6. NTSC Playback(PAL60Hz)
Yes
No
G-7. MESECAM
Yes
No
G-8. Cassette Tape
VHS type video cassette tape
Width 12.65mm (1/2 Inch)
VHS-C type video cassette tape Width 12.65mm (1/2 Inch)
G-9. Tape Speed
NTSC or PAL-M
PAL
or
SECAM
SP
33.35 mm/sec
SP
23.39 mm/sec
LP
16.67 mm/sec
LP
11.69 mm/sec
SLP
11.12 mm/sec
G-10. Recording/Playback Time
NTSC
or
PAL-M
at
SP
Mode Max. 210 min. (with T-210 cassette)
at
LP
Mode Max. 420 min. (with T-210 cassette)
at
SLP
Mode Max. 630 min. (with T-210 cassette)
PAL
or
SECAM
at
SP
Mode Max. 300 min. (with E-300 cassette)
at
LP
Mode Max. 600 min. (with E-300 cassette)
G-11.Deck
OVD-5
OVD-6
OVD-6S
OVD-6S(Vertical)
G-12.Rewind/Fast Forward Time(Approx.)
FF:1' 48" / Rew:1' 48"
(with T-120 cassette)
(with E-180 cassette)
G-13.Search Speed
SP
3
and
5
Times
LP
Times
SLP
9
and 15
Times
G-14.Slow Speed
SP
1/10
Times
LP
Times
SLP
1/10
Times
G-15.Frame Advance
SP
1/10
Times
LP
Times
SLP
1/10
Times
G-16.Antenna Input Impedance
VHF/UHF 75 ohm unbalanced


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GENERAL SPECIFICATIONS
G-17.Tuner and Receiving Channel
Tuner: Contactless Electric Tuner
Oscar(W/O HYPER)
Oscar(W/ HYPER)
France CATV
Others
Channel coverage
2 ~ 69 ,
4A
,
A-5 ~ A-1 ,
A ~ I ,
J ~ W ,
W+1 ~ W+84
Tuning System
Frequency syn.
Voltage syn.
Others
G-18.Preset Channel
No
--
channels
Allocation
ch ~
ch
ch ~
ch
ch ~
ch
G-19.Intermediate Frequency
Picture(FP)
45.75
MHz
MHz
MHz
Sound (FS)
41.25
MHz
MHz
MHz
FP-FS
4.50
MHz
MHz
MHz
G-20.RF Converter Output
Channel
3 or 4
ch.
~
Level/Impedance
66
dB
µ /
75
ohm
Sound Selector
Yes( G
I
K)
No
G-21.Stereo/Dual TV Sound
Yes( NICAM
GERMAN
USA
JAPAN)
No
G-22.Video Signal
Input Level
1
Vp-p /
75
ohm
Output Level
1
Vp-p /
75
ohm
S/N Ratio
50
dB
(Weighted)
Horizontal Resolution at SP Mode
230
Lines
G-23.Audio Signal
Input Level
Microphone
--
dB /
--
Kohm
Line
--
dB /
--
Kohm
RCA
- 8
dB /
50
Kohm
Output Level
Line
--
dB /
--
Kohm
RCA
- 8
dB /
1
Kohm(0dB=0.775 Vrms)
S/N Ratio at SP Mode
42
dB (Weighted)
Harmonic Distortion :
1.5
% (1KHz)
Frequency Response :
at SP
Mode
100
Hz
~
10
KHz
at LP
Mode
Hz
~
KHz
at SLP
Mode
100
Hz
~
4
KHz
Hi-Fi Audio Signal
NONE
Depth Multiplex Recording Rotary, Slant Azimuth Two Head
System
Helical Scan System
Frequency Response :
20
Hz ~
20
KHz(+-6dB)
Dynamic Range : More than
90
dB
Wow And Flutter : Less than
0.01
% Wrms
Channel Separation : More than
60
dB
Harmonic Distortion : Less than
1
%
G-24.Heads
Video
4
Rotary Heads
Track Width
(SP : 1ch
49
µm, 2ch 58 µm, SLP : 1ch 21 µm, 2ch 21 µm)
FM Audio
2
Rotary Heads
Track Width(SP/SLP : 1ch
27
µm, 2ch 27 µm)
Audio / Control
1
Stationary Head (
Mono
Stereo(L,R) )
Erase
1
Full Track Erase
G-25.Motor:
3
Motors
Tape/Cassette Loading
Cylinder (Direct Drive)
Capstan
(Direct Drive)


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GENERAL SPECIFICATIONS
G-26.Power Source
120
V
AC 50Hz
AC 60Hz
G-27.Power Consumption:
12
W at AC
120
V
60
Hz(Approx.)
Stand by:
2.5
W at AC
120
V
60
Hz(Approx.)
Per Year:
--
kWh / Year
G-28.Dimensions(Approx.)
360
mm(W)
232.5
mm(D)
95
mm(H)
G-29.Weight(Approx.)
Net
:
3.2
Kg
(
7.1
lbs)
Gross
:
3.8
Kg
(
8.4
lbs)
G-30.Cabinet Material
Cabinet Front:
PS
94HB
DECABROM
ABS
94V2
NON-DECA
94V0
Flap:
PS
94HB
DECABROM
ABS
94V2
NON-DECA
94V0
G-31.Cassette Loading System: Front Cassette Loading System
G-32.Tape Counter: Linear Time Tape Counter
G-33.Protector:
Power Fuse
Dew Sensor
G-34.Regulation
Safety
UL
CSA
SAA
SI
CE
SEV
NEMKO
FEMKO
DEMKO
IEC65
CNS
SISIR
SEMKO
NZ
HOMOLO
SABS
GOST
NOM
AS3159
DENTORI
UNE
NONE
Radiation
FCC
DOC
PTT
CE
SEV
SABA
SI
NZ
HOMOLO
UNE
CNS
CISPR13
DENTORI
AS/NZS
NONE
G-35.Temperature
Operation
5
ºC
~
40
ºC
Storage
-20
ºC
~
60
ºC
G-36.Operating Humidity : Less than
80
%RH
G-37.Clock and Timer
Calendar :
1990/1/1 ~ 2081/12/31
(Initial
2000/1/1
2005/1/1)
Built-in
1
Month
8
Events Programmable Timer
One Touch Recording : Max Time
5
Hours
G-38.Timer back up Time
More than
1/12 Minutes (at Power Off Mode)