Sanyo VMC-8415FP Service Manual page 5
Colour video monitor
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Also See for VMC-8415FP:
- Specifications (2 pages) ,
- Service manual (12 pages) ,
- Instruction manual (4 pages)
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3-2. ADJUSTMENT CONTENTS
1. Supply power to the set and measuring instruments and allow to warm up for at least 30 minutes.
NOTE
Be sure to use a non-metallic driver for adjusting there VRs. A metallic driver can cause damage by shorting.
Adjustment tool
1. Digital multi meter
2. Pattern generator
3. Colour analyzer
Adjustment mode
Over scan mode
ADJUSTMENT
ITEM
CHECK B+ VOLTAGE
HOLD DOWN VOLT-
AGE SETTING
INTERNAL
COLOUR
VOLTAGE
ADJUST-
ADJUST-
MENT
MENT
LUMI-
NANCE
ADJUST-
MENT
CON-
TRAST
ADJUSEMENT
FOCUS
ADJUSTMENT
HORIZONTAL
PHASE
ADJUSTMENT
HORIZONTAL
SIZE ADJUSTMENT
VERTICAL LINEARY
ADJUSTMENT
VERTICAL CENTER
ADJUSTMENT
All manuals and user guides at all-guides.com
TIMING
SETTING
PATTERN
PATTERN GEN-
BRIGHT VR and
ERATOR FULL
CONTRAST VR
WHITE
TO MAX.
PATTERN GEN-
BRIGHT VR and
ERATOR
CONTRAST VR
MONOSCOPE
TO MAX.
PATTERN
PATTERN GEN-
All extemal VR
ERATOR
TO MAX.
MONOSCOPE
PATTERN
PATTERN GEN-
BRIGHT VR and
ERATOR
CONTRAST VR
MONOSCOPE
TO MAX.
PATTERN
PATTERN GEN-
BRIGHT VR and
ERATOR
CONTRAST VR
MONOSCOPE
TO MAX.
PATTERN
PATTERN GEN-
BRIGHT VR and
ERATOR
CONTRAST VR
MONOSCOPE
TO MAX.
PATTERN
PATTERN GEN-
BRIGHT VR and
ERATOR
CONTRAST VR
MONOSCOPE
TO MAX.
PATTERN
PATTERN GEN-
BRIGHT VR and
ERATOR
CONTRAST VR
MONOSCOPE
TO MAX.
PATTERN
VR TO MAX.
VR LOCA-
ADJUSTMENT PROCEDURE
TION
VR901
TEST POINT : D910(-)
DIGITAL VOLT METER
VALUE 47.5 ± 0.5 VDC.
VR503
TEST POINT : ZD501(-)
DIGITAL VOLT METER
VALUE 8.5 ± 0.2 VDC.
Pin4 voltage is 3.0 ± 0.2 VDC.
VR204
Pin3 voltage is 4.0 ± 0.2 VDC.
VR202
VR203
Pin5 voltage is 1.5 V or above.
FBT
Adjusting FBT FOCUS VR to make focus
FOCUS
resolution of reach over 800 TV lines,
VR
Four corners must be also clear.
VR401
Adjusting VR401 horizontal phase to
make screen right and left symmetrize.
VR306
Adjusting H-size control VR306 to make
signal side of picture of scale is "2"
position.
VR302
Adjusting vertical linear control VR302,
make top square and bottom square to be
equal.
VR303
Adjusting VR303 to make screen up &
down symmetrize.
– 5 –
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