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Sony KV-21FS105 Service Manual Page 21

Trinitron color television.
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V. Size Adjustment (VSIZ)
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with 1 and 4 .
4. Adjust value of VPOS with 1 and 4 for the best vertical center.
5. To save into memory, press MUTING then ENTER .
V. Center Adjustment (VPOS)
Perform this adjustment after performing H. Frequency (Free Run)
Check.
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with 1 and 4 .
4. Adjust value of VPOS with 3 and 6 for the best vertical center.
5. To save into memory, press MUTING then ENTER .
H. Center Adjustment (HPOS)
Perform this adjustment after performing H. Frequency (Free Run)
Check.
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with 1 and 4 .
4. Adjust the value of HPOS with 3 and 6 for the best horizontal center.
5. To save into memory, press MUTING then ENTER .
KV-21FS105
H. Size Adjustment (HSIZ)
1. Input a monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HSIZ with 1 and 4 .
4. Adjust with 3 and 6 for the best horizontal size.
5. To save into memory, press MUTING then ENTER .
V. Linearity (VLIN), V. Correction (VSCO),
Pin Amp (PAMP), and Horizontal Trapezoid
(TRAP) Adjustments
1. Input a crosshatch signal.
2. Activate the Service Adjustment Mode.
3. Select VLIN, VSCO, PAMP, and TRAP with 1 and 4 .
4. Adjust with 3 and 6 for the best horizontal size.
5. To save into memory, press MUTING then ENTER .
V LINEARITY (VLIN)
V CORRECTION (VSCO)
PIN AMP (PAMP)
HORIZONTAL TRAPEZOID (TRAP)
KV-21FS105
21

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