Circuit Adjustment; Deflection System Adjustment; Vertical Deflection Section Adjustment; Horizontal Deflection Section Adjustment - Sony TRINITRON PVM-14N1A Service Manual

SECTION 5
CIRCUIT ADJUSTMENTS
[I. Preparations
*The levels of the signals supplied must be within + 2% of the
standard on the right.
Signal Standard Level
Contents (Pedestal-White)
Signal
358NT
443NT BURST
COMPOSITE
(GREEN)
286mV (632mV)
(This item only P-P)
VIDEO [
(75% COLOR
100% WHITE
0.7V
BAR) PAL 0.525V
SECAM
300mV (664mV)
I.Deflection System Adjustment!
1. VERTICAL DEFLECTION SECTION Adjustment
The 16:9 mode is available only for the RGB model.
NORMAL V. SIZE Standards
[SC™C™~é'"E:CSCSC"'é25SPcB | 625SPCB
ele meee
1. Input a 525 special color bar signal.
2. Set:
CONTRAST ...... cece 60%
BRIGHTNESG............... STD
3. Put the unit into service mode.
4. Roughly adjust SIZE to 12 frames with [V.SIZE}.
Adjust V.LIN with and :
Adjust V.CENT with . (Refer to Note 1.)
Set SIZE to the specified value with [V.SIZE].
5. Make sure that V.SIZE meets the specified value.
6. Select the 16:9 mode.
7. Make sure that V.SIZE meets the specified value of the 16:9
mode.
8. Select the 4:3 mode.
9. Input the 625 special color bar signal.
10. Make sure that V.SIZE meets the specified value.
11. Select the 16:9 mode.
12. Make sure that V.SIZE meets the specified value of the 16:9
mode.
(Note 1) Adjust V.CENT and V.SIZE again after V.LIN is
adjusted.
2. HORIZONTAL DEFLECTION SECTION
ADJUSTMENT
The 16:9 mode is available only for the model with RGB.
1. Input a 525 special color bar signal.
2. Set:
CONTRAST nce
BRIGHTNESS
Put the unit into service mode.
4. Roughly adjust{H. SIZE/so that the H. SIZE is 16 frames.
5. Adjust the horizontal deflection section with [PIN AMP],
[PIN PHASE],[H. COR PIN],[H. SEXY PINJand[H. SIZE).
(Adjust so that horizontal and vertical lines on the screen be-
come a straight line while compensating the bow distortion.)
Select the 16:9 mode.
Make sure that there is no distortion on the screen.
Input the 625 special color bar signal.
Make sure that there is no distortion on the screen for both
the 4:3 and 16:9 modes.
ww
ec
NORMAL H. SIZE standards
te | 525 SPCB 625 SPCB
| 169 | 16.8 + 0.2 frames 16.8 + 0.3 frames
PIN-AMP__(No. 52
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PIN-PHASE (No. 51
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H.SEXY PIN (No. 53