Sony KV-21FK120 Service Manual ▷ View online
14
KV-21FK120
KV-21FK120
- Dress earth ground wire behind DGC and through
DY's cilp together with rotation coil.
- Dress left speaker wire through DGC band hook (4-
080-810-22).
DY's cilp together with rotation coil.
- Dress left speaker wire through DGC band hook (4-
080-810-22).
- Dress Video harness (A/CN200~A/CN201), 5P
(A/CN402~KR/CN4401), 4P (A/CN403~KR/CN4402) audio
harnesses under tuner's F-Pin.
(A/CN402~KR/CN4401), 4P (A/CN403~KR/CN4402) audio
harnesses under tuner's F-Pin.
15
KV-21FK120
KV-21FK120
- Dress Video harness (A/CN200~A/CN201) and lightning
wire through CLP001.
- Dress Audio harness (HK/CN2402~KR/CN4403) & video
harness (A/CN200~A/CN201) using a 9mm purse lock (3-703-
982-02),
wire through CLP001.
- Dress Audio harness (HK/CN2402~KR/CN4403) & video
harness (A/CN200~A/CN201) using a 9mm purse lock (3-703-
982-02),
No lightening wire
.
- Dress 5P (A/CN402~KR/CN4401), 4P
(A/CN403~KR/CN4402) & 6P (HK/CN2402~KR/CN4403)
Audio harnesses using a 5mm purse lock (3-703-981-02).
(A/CN403~KR/CN4402) & 6P (HK/CN2402~KR/CN4403)
Audio harnesses using a 5mm purse lock (3-703-981-02).
IMPORTANT: Following operations must be done with A bord on its final
position
1.- Dress Left and right speaker wire into CRT support, red wire with two
loop as shown in picture.
2.- Dress left speaker wire through DGC band(4-080-810-22) upper hook.
Note: This operation must be performed after (1)
Dress AC-Cord and DGC lead wire through DGC band(4-080-810-22)
lower hook.
3.- Dress AC-Cord into bottom board standing purse lock(4-382-296-11).
position
1.- Dress Left and right speaker wire into CRT support, red wire with two
loop as shown in picture.
2.- Dress left speaker wire through DGC band(4-080-810-22) upper hook.
Note: This operation must be performed after (1)
Dress AC-Cord and DGC lead wire through DGC band(4-080-810-22)
lower hook.
3.- Dress AC-Cord into bottom board standing purse lock(4-382-296-11).
1
2
3
16
KV-21FK120
KV-21FK120
20mm
For Chile model
Install Ferrite clamp
(1-500-586-11) on Chilean AC-Cord one loop.
Install Ferrite clamp
(1-500-586-11) on Chilean AC-Cord one loop.
Left and Right speakers with terminal on the bottom.
17
KV-21FK120
KV-21FK120
The following adjustments should be made when a complete
realignment is required or a new picture tube is installed.
realignment is required or a new picture tube is installed.
These adjustments should be performed with rated power supply
voltage unless otherwise noted.
voltage unless otherwise noted.
Set the controls as follows unless otherwise noted:
VIDEO MODE: Pro
PICTURE CONTROL: Normal
BRIGHTNESS CONTROL: Normal
VIDEO MODE: Pro
PICTURE CONTROL: Normal
BRIGHTNESS CONTROL: Normal
SECTION 2: SET-UP ADJUSTMENTS
Perform the adjustments in order as follows:
1. Beam
1. Beam
Landing
2. Convergence
3. Focus
4. Screen
3. Focus
4. Screen
(G2)
5. White
Balance
Note Test Equipment Required:
1. Color
1. Color
Bar
Pattern
Generator
2. Degausser
3. DC
3. DC
Power
Supply
4. Digital
Multimeter
2-1. BEAM LANDING
Before beginning adjustment procedure:
1. Feed in the white pattern signal.
Adjustment Procedure
1. Input a raster signal with the pattern generator.
2. Loosen the defl ection yoke mounting screw, and set the purity control
to the center as shown below:
Purity Control
3. Turn the raster signal of the pattern generator to green.
4. Move the defl ection yoke backward, and adjust with the purity control
so that green is in the center and red and blue are even on both
sides.
sides.
Blue Red
Green
5. Move the defl ection yoke forward, and adjust so that the entire
screen becomes green.
6. Switch over the raster signal to red and blue and confi rm the
condition.
7. When the position of the defl ection yoke is determined, tighten it with
the defl ection yoke mounting screw.
8. If landing at the corner is not right, adjust by using the disk magnets.
a
c
b
d
b
a
c
d
Purity control
corrects this area.
Disk magnets
or rotatable disk
magnets correct
these areas (a-d).
Deflection yoke positioning
corrects these areas.
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