Sony TRINITRON KV-32S12 Service Manual page 23

EQUIPMENT MEASUREMENT ADJUSTMENT ILLUSTRATION AND SHAPE
ADJUSTMENT.TEMAND PROCEDURE AND SIGNAL POSITION LOCATION AND NUMBER
2.Hold-down operation voltage (B+) * Currentmeter *FBT (TSO1) Pin
1) Connect the *currentmeter between the *pin of FBT and
the land of it with correct polarity. *Entirely white *1760 + SOpA
2) Receive *Signal and adjust the *ABL current to follows
with the PICTURE and the BRIGHTNESS controls.
Connect the *Digital Multimeter to *TP. * Digital *TP9I (+B)
Increase the DC power voltage gradually by adjusting the Multimeter
resister of RV! until the Picture just blanks out.
Read the digital voltmeter indication.
Turn DC power Source off immediately.
*STANDARD *Less than 140.0 VDC
Receive *Signal and adjust the *ABL current to follows, * Dot signal * 160+ SODA
with the PICTURE and the BRIGHTNESS controls.
Repeat steps from 4) to 6).
*STANDARD *Less than 143.5 VDC
TP91
PM501
ABL T504 FBT
10p1nC)
R511 3
. Hold-down readjustment :
When step | 1s not satisfied, readjustment should be performed ammeter digital
: : 3m A dc ramge multimeter
by altering the resistance value of *resistor (a component *PARSI1
marked with b4) .