Samsung TB531VCT1X/XSA Service Manual page 80

Alignments and Adjustments (Mechanical)
6. Play back the Mono Scope alignment tape (SP mode).
7. Connect an oscilloscope CH-1 to the Envelope and CH-2 to the HÕD SW Pulse for triggering.
8. Turn the guide roller heads with a flat head ( ) driver to obtain a flat video RF envelope as shown in
Fig. 4-67.
9. After the adjustment is completed, tighten the set screws.
IDEAL ENVELOPE
L HEIGHT L HEIGHT R HEIGHT R HEIGHT
TOO HIGH TOO LOW TOO HIGH TOO LOW
GUIDE ROLLER (L)
GUIDE ROLLER (R)
Fig. 4-67 S, T-Guide Roller Height Adjustment
4-68
Samsung Electronics