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B/W Video Monitor
VM-6614
INDEX
1. SAFETY
PRECAUTIONS
SPECIFICATIONS
DISASSEMBLY
OPERATING INSTRUCATIONS
SERVICE ADJUSTMENTS
2.
3.
4.
PARTS LIST
BLOCK DIAGRAMS, CIRCUIT DIAGRAMS
PRINTED WIRING BOARDS
Click on this button found on the first page of each file
to return to this screen.
VM-6615P
I
index


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VM-6612
FILE NO.
REFERENCE No.SM5310263
L8MAB/US,XE,UK,AU
NOTE: 1. Parts order must contain model number, part number, and description.
2. Substitute parts may be supplied as the service parts.
3. N.S.P. : Not available as service parts.
Design and specifications are subject to change without notice.
(Product Code : 114 901 21)
(U.S.A, Canada)
SERVICE MANUAL
B/W Video Monitor
CONTENTS
SPECIFICATIONS .................................................................... 3
1. OPERATING INSTRUCTIONS ............................................. 5
2. SERVICE ADJUSTMENTS ................................................... 7
3. PARTS LIST ......................................................................... 9
4. CIRCUIT DIAGRAMS ......................................................... 13
(Product Code : 114 901 24)
(Europe)
VM-6612P
(Product Code : 114 901 26)
(U.K.)
(Product Code : 114 901 28)
(Australia)


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SAFETY PRECAUTIONS
WARNING:
Service should not be attempted by anyone unfamiliar with the necessary precautions for this recording or playback
equipment. The following precautions are necessary during servicing:
1.
Many electrical and mechanical parts in this recorder have
special safety-related characteristics for providing protec-
tion against shock, fire and other hazards. These charac-
teristics often go unnoticed in a visual inspection, and the
protection afforded by them cannot necessarily be ob-
tained by using replacement components with higher rat-
ings (voltage, wattage, etc.).
2.
Replacement parts having special safety-related charac-
teristics are identified in this manual, and in the schematic
diagrams, by the symbol ! . These components have
values that are of special significance to product safety.
Should any component (identified by the symbol
) need
to be replaced, use only the part designated in the parts
List. Do not deviate from the specified resistance, wattage,
and voltage ratings.
3.
Before returning the set to the customer, always perform an
AC leakage current check on the exposed metallic parts of
the cabinet, such as terminals, screwheads, metal over-
lays, etc. to be sure that the set is safe to operate without
the danger of electrical shock, Plug the AC line cord directly
into a 120 V AC outlet. (Do not use a line isolation trans-
former during this check.) Use an AC voltmeter with a
sensitivity of 5000 ohms per volt (or more) as follows:
Connect a 1500 ohms, 10 watt resistor, paralleled by a 0.15
mfd, 150 VAC capacitor, between a known good earth
ground (water pipe, conduit, etc.) and the exposed metallic
parts, one at a time. Measure the AC voltage across the
1500 ohms resistor and 0.15 mfd capacitor combination.
Reverse the AC plug at the AC outlet and repeat the AC
voltage measurements for each exposed metallic part. The
measured voltage must not exceed 300 mVrms. This
corresponds to 200
µA AC. Any value exceeding this limit
constitutes a potential shock hazard and must be corrected
immediately.
4.
Fuse symbol marks.
For CANADA
UNDERWRITERS LABORATORIES Standard
CAUTION "Risk of fire-replace fuse as marked"
For U.S.A.
Fuse rating is marked at
adjacent fuse.
Video
Monitor


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­ 3 ­
EIA standard
12 measured diagonally, 90
° deflection angle
More than 800 TV lines (center)
Horizontal: 15.75 kHz (EIA), Vertical: 60 Hz (EIA)
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Sub bright volume
Vertical size volume
Vertical hold volume
Manual switchable, Hi/ 75 ohm (Lo)
Temperature: -10
°C to 40 °C, Humidity:10% to 90 %
AC 100 to 240 V 50/60 Hz
30 Watts
304 x 320 x 310 mm
7.5 kg
SPECIFICATIONS
VM-6612
System :
Picture tube :
Resolution :
Scanning frewuency :
Input terminals :
VIDEO A
VIDEO B
Outout terminals :
VIDEO A
VIDEO B
Sub Adjusting control :
Termination switch :
Operating environment :
Power source :
Power consumption :
Dimension (W x H x D ) :
Weight :
CCIR standard
12 measured diagonally, 90
° deflection angle
More than 800 TV lines (center)
Horizontal: 15.625 kHz (CCIR), Vertical: 50 Hz (CCIR)
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Composite video: 1 line, BNC connector, 1.0 V p-p 75 ohm negative sync
Sub bright volume
Vertical size volume
Vertical hold volume
Manual switchable, Hi/ 75 ohm (Lo)
Temperature: -10
°C to 40 °C, Humidity:10% to 90 %
AC 100 to 240 V 50/60 Hz
30 Watts
304 x 320 x 310 mm
7.5 kg
VM-6612P
System :
Picture tube :
Resolution :
Scanning frewuency :
Input terminals :
VIDEO A
VIDEO B
Outout terminals :
VIDEO A
VIDEO B
Sub Adjusting control :
Termination switch :
Operating environment :
Power source :
Power consumption :
Dimension (W x H x D ) :
Weight :


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WD
H
Fig. 1
Fig. 2
DISASSEMBLY