Changhong Electric PF2939, Service Manual, Page: 38 / 47

SERVICE MANUAL
Tighten the screw firmly to fix the yoke and check if the yoke is fixed.
9) Stick three adhesive tapes on wedges as shown in Fig. 15.
4-pole Magnet Movement 6-pole Magnet Movement
Center Convergence by Convergence Magnets
Incline the Yoke Up (or Down) Incline the Yoke Right (or Left)
Circumference Convergence by DEF Yoke
Fig.17
Circuit Adjustments
1. General Description
All adjustments are thoroughly checked and corrected before the TV outgoing. Therefore the
TV should operate normally and deliver proper color pictures upon installation. However,
several minor adjustments may be required depending on the particular location where the TV
is operated.
This TV is shipped completely in carton. Carefully take out the TV from the carton and remove
all packing materials. Connect the power cord into a 220V AC two-pin power outlet. Turn on the
TV. Check and adjust all the customer controls such as brightness, contrast and color to obtain
natural color pictures.
2. Automatic Degaussing
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